typedef struct _GstD3D11ColorConvert GstD3D11ColorConvert;
typedef struct _GstD3D11ColorConvertClass GstD3D11ColorConvertClass;
+typedef struct _GstD3D11Decoder GstD3D11Decoder;
+typedef struct _GstD3D11DecoderClass GstD3D11DecoderClass;
+typedef struct _GstD3D11DecoderPrivate GstD3D11DecoderPrivate;
+
+typedef struct _GstD3D11H264Dec GstD3D11H264Dec;
+typedef struct _GstD3D11H264DecClass GstD3D11H264DecClass;
+
G_END_DECLS
#endif /* __GST_D3D11_FWD_H__ */
--- /dev/null
+/* GStreamer
+ * Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "gstd3d11decoder.h"
+#include "gstd3d11memory.h"
+#include "gstd3d11bufferpool.h"
+#include "gstd3d11device.h"
+#include <string.h>
+
+GST_DEBUG_CATEGORY (d3d11_decoder_debug);
+#define GST_CAT_DEFAULT d3d11_decoder_debug
+
+enum
+{
+ PROP_0,
+ PROP_DEVICE,
+};
+
+struct _GstD3D11DecoderPrivate
+{
+ GstD3D11Device *device;
+
+ ID3D11VideoDevice *video_device;
+ ID3D11VideoContext *video_context;
+
+ ID3D11VideoDecoder *decoder;
+
+ GstBufferPool *internal_pool;
+
+ /* for staging */
+ ID3D11Texture2D *staging;
+ D3D11_TEXTURE2D_DESC staging_desc;
+};
+
+#define OUTPUT_VIEW_QUARK _decoder_output_view_get()
+static GQuark
+_decoder_output_view_get (void)
+{
+ static gsize g_quark;
+
+ if (g_once_init_enter (&g_quark)) {
+ gsize quark =
+ (gsize) g_quark_from_static_string ("GstD3D11DecoderOutputView");
+ g_once_init_leave (&g_quark, quark);
+ }
+ return g_quark;
+}
+
+static void gst_d3d11_decoder_constructed (GObject * object);
+static void gst_d3d11_decoder_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_d3d11_decoder_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+static void gst_d3d11_decoder_dispose (GObject * obj);
+
+#define parent_class gst_d3d11_decoder_parent_class
+G_DEFINE_TYPE_WITH_PRIVATE (GstD3D11Decoder,
+ gst_d3d11_decoder, GST_TYPE_OBJECT);
+
+static void
+gst_d3d11_decoder_class_init (GstD3D11DecoderClass * klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+
+ gobject_class->constructed = gst_d3d11_decoder_constructed;
+ gobject_class->set_property = gst_d3d11_decoder_set_property;
+ gobject_class->get_property = gst_d3d11_decoder_get_property;
+ gobject_class->dispose = gst_d3d11_decoder_dispose;
+
+ g_object_class_install_property (gobject_class, PROP_DEVICE,
+ g_param_spec_object ("device", "Device",
+ "D3D11 Devicd to use", GST_TYPE_D3D11_DEVICE,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS));
+
+ GST_DEBUG_CATEGORY_INIT (d3d11_decoder_debug,
+ "d3d11decoder", 0, "Direct3D11 Base Video Decoder object");
+}
+
+static void
+gst_d3d11_decoder_init (GstD3D11Decoder * self)
+{
+ self->priv = gst_d3d11_decoder_get_instance_private (self);
+}
+
+static void
+gst_d3d11_decoder_constructed (GObject * object)
+{
+ GstD3D11Decoder *self = GST_D3D11_DECODER (object);
+ GstD3D11DecoderPrivate *priv = self->priv;
+ HRESULT hr;
+ ID3D11Device *device_handle;
+ ID3D11DeviceContext *device_context_handle;
+
+ if (!priv->device) {
+ GST_ERROR_OBJECT (self, "No D3D11Device available");
+ return;
+ }
+
+ device_handle = gst_d3d11_device_get_device_handle (priv->device);
+ device_context_handle =
+ gst_d3d11_device_get_device_context_handle (priv->device);
+
+ hr = ID3D11Device_QueryInterface (device_handle, &IID_ID3D11VideoDevice,
+ (void **) &priv->video_device);
+
+ if (!gst_d3d11_result (hr, priv->device) || !priv->video_device) {
+ GST_ERROR_OBJECT (self, "Cannot create VideoDevice Object: 0x%x",
+ (guint) hr);
+ priv->video_device = NULL;
+
+ return;
+ }
+
+ hr = ID3D11DeviceContext_QueryInterface (device_context_handle,
+ &IID_ID3D11VideoContext, (void **) &priv->video_context);
+
+ if (!gst_d3d11_result (hr, priv->device) || !priv->video_context) {
+ GST_ERROR_OBJECT (self, "Cannot create VideoContext Object: 0x%x",
+ (guint) hr);
+ priv->video_context = NULL;
+
+ goto fail;
+ }
+
+ return;
+
+fail:
+ if (priv->video_device) {
+ ID3D11VideoDevice_Release (priv->video_device);
+ priv->video_device = NULL;
+ }
+
+ if (priv->video_context) {
+ ID3D11VideoContext_Release (priv->video_context);
+ priv->video_device = NULL;
+ }
+
+ return;
+}
+
+static void
+gst_d3d11_decoder_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstD3D11Decoder *self = GST_D3D11_DECODER (object);
+ GstD3D11DecoderPrivate *priv = self->priv;
+
+ switch (prop_id) {
+ case PROP_DEVICE:
+ priv->device = g_value_dup_object (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_d3d11_decoder_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
+{
+ GstD3D11Decoder *self = GST_D3D11_DECODER (object);
+ GstD3D11DecoderPrivate *priv = self->priv;
+
+ switch (prop_id) {
+ case PROP_DEVICE:
+ g_value_set_object (value, priv->device);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static gboolean
+gst_d3d11_decoder_close (GstD3D11Decoder * self)
+{
+ GstD3D11DecoderPrivate *priv = self->priv;
+
+ gst_d3d11_decoder_reset (self);
+
+ if (priv->video_device) {
+ ID3D11VideoDevice_Release (priv->video_device);
+ priv->video_device = NULL;
+ }
+
+ if (priv->video_context) {
+ ID3D11VideoContext_Release (priv->video_context);
+ priv->video_device = NULL;
+ }
+
+ return TRUE;
+}
+
+static void
+gst_d3d11_decoder_reset_unlocked (GstD3D11Decoder * decoder)
+{
+ GstD3D11DecoderPrivate *priv;
+
+ priv = decoder->priv;
+ gst_clear_object (&priv->internal_pool);
+
+ if (priv->decoder) {
+ ID3D11VideoDecoder_Release (priv->decoder);
+ priv->decoder = NULL;
+ }
+
+ if (priv->staging) {
+ ID3D11Texture2D_Release (priv->staging);
+ priv->staging = NULL;
+ }
+
+ decoder->opened = FALSE;
+}
+
+void
+gst_d3d11_decoder_reset (GstD3D11Decoder * decoder)
+{
+ GstD3D11DecoderPrivate *priv;
+
+ g_return_if_fail (GST_IS_D3D11_DECODER (decoder));
+
+ priv = decoder->priv;
+ gst_d3d11_device_lock (priv->device);
+ gst_d3d11_decoder_reset_unlocked (decoder);
+ gst_d3d11_device_unlock (priv->device);
+}
+
+static void
+gst_d3d11_decoder_dispose (GObject * obj)
+{
+ GstD3D11Decoder *self = GST_D3D11_DECODER (obj);
+ GstD3D11DecoderPrivate *priv = self->priv;
+
+ if (priv->device) {
+ gst_d3d11_decoder_close (self);
+ gst_object_unref (priv->device);
+ priv->device = NULL;
+ }
+
+ G_OBJECT_CLASS (parent_class)->dispose (obj);
+}
+
+GstD3D11Decoder *
+gst_d3d11_decoder_new (GstD3D11Device * device)
+{
+ GstD3D11Decoder *decoder;
+
+ g_return_val_if_fail (GST_IS_D3D11_DEVICE (device), NULL);
+
+ decoder = g_object_new (GST_TYPE_D3D11_DECODER, "device", device, NULL);
+
+ if (decoder)
+ gst_object_ref_sink (decoder);
+
+ return decoder;
+}
+
+static void
+gst_d3d11_decoder_output_view_free (GstD3D11DecoderOutputView * view)
+{
+ GST_DEBUG_OBJECT (view->device, "Free view %p", view);
+
+ if (view->handle) {
+ gst_d3d11_device_lock (view->device);
+ ID3D11VideoDecoderOutputView_Release (view->handle);
+ gst_d3d11_device_unlock (view->device);
+ }
+
+ gst_clear_object (&view->device);
+ g_free (view);
+}
+
+static gboolean
+gst_d3d11_decoder_prepare_output_view (GstD3D11Decoder * self,
+ GstBufferPool * pool, guint pool_size, const GUID * decoder_profile)
+{
+ GstD3D11DecoderPrivate *priv = self->priv;
+ GstBuffer **list = NULL;
+ D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC view_desc = { 0, };
+ guint i;
+
+ view_desc.DecodeProfile = *decoder_profile;
+ view_desc.ViewDimension = D3D11_VDOV_DIMENSION_TEXTURE2D;
+
+ list = g_newa (GstBuffer *, pool_size);
+ memset (list, 0, sizeof (GstBuffer *) * pool_size);
+
+ /* create output view here */
+ for (i = 0; i < pool_size; i++) {
+ GstFlowReturn ret;
+ GstBuffer *buf = NULL;
+ GstD3D11Memory *mem;
+ GstD3D11DecoderOutputView *view;
+ ID3D11VideoDecoderOutputView *view_handle;
+ HRESULT hr;
+ ID3D11Texture2D *texture;
+ GstD3D11Allocator *allocator;
+
+ ret = gst_buffer_pool_acquire_buffer (pool, &buf, NULL);
+
+ if (ret != GST_FLOW_OK || !buf) {
+ GST_ERROR_OBJECT (self, "Could acquire buffer from pool");
+ goto error;
+ }
+
+ list[i] = buf;
+ mem = (GstD3D11Memory *) gst_buffer_peek_memory (buf, 0);
+
+ allocator = GST_D3D11_ALLOCATOR (GST_MEMORY_CAST (mem)->allocator);
+ texture = allocator->texture;
+
+ if (!texture) {
+ GST_ERROR_OBJECT (self, "D3D11 allocator does not have texture");
+ goto error;
+ }
+
+ view_desc.Texture2D.ArraySlice = mem->subresource_index;
+ GST_LOG_OBJECT (self,
+ "Create decoder output view with index %d", mem->subresource_index);
+
+ hr = ID3D11VideoDevice_CreateVideoDecoderOutputView (priv->video_device,
+ (ID3D11Resource *) texture, &view_desc, &view_handle);
+ if (!gst_d3d11_result (hr, priv->device)) {
+ GST_ERROR_OBJECT (self,
+ "Could not create decoder output view, hr: 0x%x", (guint) hr);
+ goto error;
+ }
+
+ view = g_new0 (GstD3D11DecoderOutputView, 1);
+ view->device = gst_object_ref (priv->device);
+ view->handle = view_handle;
+ view->view_id = mem->subresource_index;
+
+ gst_mini_object_set_qdata (GST_MINI_OBJECT_CAST (mem), OUTPUT_VIEW_QUARK,
+ view, (GDestroyNotify) gst_d3d11_decoder_output_view_free);
+ }
+
+ /* return buffers to pool */
+ for (i = 0; i < pool_size; i++) {
+ gst_buffer_unref (list[i]);
+ }
+
+ return TRUE;
+
+error:
+ if (list) {
+ for (i = 0; i < pool_size; i++) {
+ if (list[i])
+ gst_buffer_unref (list[i]);
+ }
+ }
+
+ return FALSE;
+}
+
+/* Must be called from D3D11Device thread */
+static gboolean
+gst_d3d11_decoder_prepare_output_view_pool (GstD3D11Decoder * self,
+ GstVideoInfo * info, guint pool_size, const GUID * decoder_profile)
+{
+ GstD3D11DecoderPrivate *priv = self->priv;
+ GstD3D11AllocationParams *alloc_params = NULL;
+ GstBufferPool *pool = NULL;
+ GstStructure *config = NULL;
+ GstCaps *caps = NULL;
+
+ gst_clear_object (&priv->internal_pool);
+
+ alloc_params = gst_d3d11_allocation_params_new (info,
+ GST_D3D11_ALLOCATION_FLAG_TEXTURE_ARRAY, D3D11_USAGE_DEFAULT,
+ D3D11_BIND_DECODER);
+
+ if (!alloc_params) {
+ GST_ERROR_OBJECT (self, "Failed to create allocation param");
+ goto error;
+ }
+
+ alloc_params->desc[0].ArraySize = pool_size;
+
+ pool = gst_d3d11_buffer_pool_new (priv->device);
+ if (!pool) {
+ GST_ERROR_OBJECT (self, "Failed to create buffer pool");
+ goto error;
+ }
+
+ /* Setup buffer pool */
+ config = gst_buffer_pool_get_config (pool);
+ caps = gst_video_info_to_caps (info);
+ if (!caps) {
+ GST_ERROR_OBJECT (self, "Couldn't convert video info to caps");
+ goto error;
+ }
+
+ gst_buffer_pool_config_set_params (config, caps, GST_VIDEO_INFO_SIZE (info),
+ 0, pool_size);
+ gst_buffer_pool_config_set_d3d11_allocation_params (config, alloc_params);
+ gst_caps_unref (caps);
+ gst_d3d11_allocation_params_free (alloc_params);
+ gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META);
+
+ if (!gst_buffer_pool_set_config (pool, config)) {
+ GST_ERROR_OBJECT (self, "Invalid pool config");
+ goto error;
+ }
+
+ if (!gst_buffer_pool_set_active (pool, TRUE)) {
+ GST_ERROR_OBJECT (self, "Couldn't activate pool");
+ goto error;
+ }
+
+ if (!gst_d3d11_decoder_prepare_output_view (self,
+ pool, pool_size, decoder_profile)) {
+ goto error;
+ }
+
+ priv->internal_pool = pool;
+
+ return TRUE;
+
+error:
+ if (alloc_params)
+ gst_d3d11_allocation_params_free (alloc_params);
+ if (pool)
+ gst_object_unref (pool);
+ if (caps)
+ gst_caps_unref (caps);
+
+ return FALSE;
+}
+
+gboolean
+gst_d3d11_decoder_open (GstD3D11Decoder * decoder, GstD3D11Codec codec,
+ GstVideoInfo * info, guint pool_size, const GUID ** decoder_profiles,
+ guint profile_size)
+{
+ GstD3D11DecoderPrivate *priv;
+ const GstD3D11Format *d3d11_format;
+ HRESULT hr;
+ BOOL can_support = FALSE;
+ guint config_count;
+ D3D11_VIDEO_DECODER_CONFIG *config_list;
+ D3D11_VIDEO_DECODER_CONFIG *best_config = NULL;
+ D3D11_VIDEO_DECODER_DESC decoder_desc = { 0, };
+ const GUID *selected_profile = NULL;
+ GUID *guid_list = NULL;
+ guint available_profile_count;
+ gint i, j;
+
+ g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
+ g_return_val_if_fail (codec > GST_D3D11_CODEC_NONE, FALSE);
+ g_return_val_if_fail (codec < GST_D3D11_CODEC_LAST, FALSE);
+ g_return_val_if_fail (info != NULL, FALSE);
+ g_return_val_if_fail (pool_size > 0, FALSE);
+ g_return_val_if_fail (decoder_profiles != NULL, FALSE);
+ g_return_val_if_fail (profile_size > 0, FALSE);
+
+ priv = decoder->priv;
+ decoder->opened = FALSE;
+
+ d3d11_format = gst_d3d11_format_from_gst (GST_VIDEO_INFO_FORMAT (info));
+ if (!d3d11_format || d3d11_format->dxgi_format == DXGI_FORMAT_UNKNOWN) {
+ GST_ERROR_OBJECT (decoder, "Could not determine dxgi format from %s",
+ gst_video_format_to_string (GST_VIDEO_INFO_FORMAT (info)));
+ return FALSE;
+ }
+
+ gst_d3d11_device_lock (priv->device);
+ available_profile_count =
+ ID3D11VideoDevice_GetVideoDecoderProfileCount (priv->video_device);
+
+ if (available_profile_count == 0) {
+ GST_ERROR_OBJECT (decoder, "No available decoder profile");
+ goto error;
+ }
+
+ GST_DEBUG_OBJECT (decoder,
+ "Have %u available decoder profiles", available_profile_count);
+ guid_list = g_alloca (sizeof (GUID) * available_profile_count);
+
+ for (i = 0; i < available_profile_count; i++) {
+ hr = ID3D11VideoDevice_GetVideoDecoderProfile (priv->video_device,
+ i, &guid_list[i]);
+ if (!gst_d3d11_result (hr, priv->device)) {
+ GST_ERROR_OBJECT (decoder, "Failed to get %d th decoder profile", i);
+ goto error;
+ }
+ }
+
+#ifndef GST_DISABLE_GST_DEBUG
+ GST_LOG_OBJECT (decoder, "Supported decoder GUID");
+ for (i = 0; i < available_profile_count; i++) {
+ const GUID *guid = &guid_list[i];
+
+ GST_LOG_OBJECT (decoder,
+ "\t { %8.8x-%4.4x-%4.4x-%2.2x%2.2x-%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x }",
+ (guint) guid->Data1, (guint) guid->Data2, (guint) guid->Data3,
+ guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3],
+ guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7]);
+ }
+
+ GST_LOG_OBJECT (decoder, "Requested decoder GUID");
+ for (i = 0; i < profile_size; i++) {
+ const GUID *guid = decoder_profiles[i];
+
+ GST_LOG_OBJECT (decoder,
+ "\t { %8.8x-%4.4x-%4.4x-%2.2x%2.2x-%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x }",
+ (guint) guid->Data1, (guint) guid->Data2, (guint) guid->Data3,
+ guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3],
+ guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7]);
+ }
+#endif
+
+ for (i = 0; i < profile_size; i++) {
+ for (j = 0; j < available_profile_count; j++) {
+ if (IsEqualGUID (decoder_profiles[i], &guid_list[j])) {
+ selected_profile = decoder_profiles[i];
+ break;
+ }
+ }
+ }
+
+ if (!selected_profile) {
+ GST_ERROR_OBJECT (decoder, "No supported decoder profile");
+ goto error;
+ } else {
+ GST_DEBUG_OBJECT (decoder,
+ "Selected guid "
+ "{ %8.8x-%4.4x-%4.4x-%2.2x%2.2x-%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x }",
+ (guint) selected_profile->Data1, (guint) selected_profile->Data2,
+ (guint) selected_profile->Data3,
+ selected_profile->Data4[0], selected_profile->Data4[1],
+ selected_profile->Data4[2], selected_profile->Data4[3],
+ selected_profile->Data4[4], selected_profile->Data4[5],
+ selected_profile->Data4[6], selected_profile->Data4[7]);
+ }
+
+ hr = ID3D11VideoDevice_CheckVideoDecoderFormat (priv->video_device,
+ selected_profile, d3d11_format->dxgi_format, &can_support);
+ if (!gst_d3d11_result (hr, priv->device) || !can_support) {
+ GST_ERROR_OBJECT (decoder,
+ "VideoDevice could not support dxgi format %d, hr: 0x%x",
+ d3d11_format->dxgi_format, (guint) hr);
+ goto error;
+ }
+
+ gst_d3d11_decoder_reset_unlocked (decoder);
+
+ decoder_desc.SampleWidth = GST_VIDEO_INFO_WIDTH (info);
+ decoder_desc.SampleHeight = GST_VIDEO_INFO_HEIGHT (info);
+ decoder_desc.OutputFormat = d3d11_format->dxgi_format;
+ decoder_desc.Guid = *selected_profile;
+
+ hr = ID3D11VideoDevice_GetVideoDecoderConfigCount (priv->video_device,
+ &decoder_desc, &config_count);
+ if (!gst_d3d11_result (hr, priv->device) || config_count == 0) {
+ GST_ERROR_OBJECT (decoder, "Could not get decoder config count, hr: 0x%x",
+ (guint) hr);
+ goto error;
+ }
+
+ GST_DEBUG_OBJECT (decoder, "Total %d config available", config_count);
+
+ config_list = g_alloca (sizeof (D3D11_VIDEO_DECODER_CONFIG) * config_count);
+
+ for (i = 0; i < config_count; i++) {
+ hr = ID3D11VideoDevice_GetVideoDecoderConfig (priv->video_device,
+ &decoder_desc, i, &config_list[i]);
+ if (!gst_d3d11_result (hr, priv->device)) {
+ GST_ERROR_OBJECT (decoder, "Could not get decoder %dth config, hr: 0x%x",
+ i, (guint) hr);
+ goto error;
+ }
+
+ /* FIXME: need support DXVA_Slice_H264_Long ?? */
+ /* this config uses DXVA_Slice_H264_Short */
+ if (codec == GST_D3D11_CODEC_H264 && config_list[i].ConfigBitstreamRaw == 2) {
+ best_config = &config_list[i];
+ break;
+ }
+ }
+
+ if (best_config == NULL) {
+ GST_ERROR_OBJECT (decoder, "Could not determine decoder config");
+ goto error;
+ }
+
+ if (!gst_d3d11_decoder_prepare_output_view_pool (decoder,
+ info, pool_size, selected_profile)) {
+ GST_ERROR_OBJECT (decoder, "Couldn't prepare output view pool");
+ goto error;
+ }
+
+ hr = ID3D11VideoDevice_CreateVideoDecoder (priv->video_device,
+ &decoder_desc, best_config, &priv->decoder);
+ if (!gst_d3d11_result (hr, priv->device) || !priv->decoder) {
+ GST_ERROR_OBJECT (decoder,
+ "Could not create decoder object, hr: 0x%x", (guint) hr);
+ goto error;
+ }
+
+ GST_DEBUG_OBJECT (decoder, "Decoder object %p created", priv->decoder);
+
+ /* create stage texture to copy out */
+ memset (&priv->staging_desc, 0, sizeof (D3D11_TEXTURE2D_DESC));
+ priv->staging_desc.Width = GST_VIDEO_INFO_WIDTH (info);
+ priv->staging_desc.Height = GST_VIDEO_INFO_HEIGHT (info);
+ priv->staging_desc.MipLevels = 1;
+ priv->staging_desc.Format = d3d11_format->dxgi_format;
+ priv->staging_desc.SampleDesc.Count = 1;
+ priv->staging_desc.ArraySize = 1;
+ priv->staging_desc.Usage = D3D11_USAGE_STAGING;
+ priv->staging_desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
+
+ priv->staging = gst_d3d11_device_create_texture (priv->device,
+ &priv->staging_desc, NULL);
+ if (!priv->staging) {
+ GST_ERROR_OBJECT (decoder, "Couldn't create staging texture");
+ goto error;
+ }
+
+ decoder->opened = TRUE;
+ gst_d3d11_device_unlock (priv->device);
+
+ return TRUE;
+
+error:
+ gst_d3d11_device_unlock (priv->device);
+
+ return FALSE;
+}
+
+gboolean
+gst_d3d11_decoder_begin_frame (GstD3D11Decoder * decoder,
+ GstD3D11DecoderOutputView * output_view, guint content_key_size,
+ gconstpointer content_key)
+{
+ GstD3D11DecoderPrivate *priv;
+ guint retry_count = 0;
+ HRESULT hr;
+
+ g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
+ g_return_val_if_fail (output_view != NULL, FALSE);
+ g_return_val_if_fail (output_view->handle != NULL, FALSE);
+
+ priv = decoder->priv;
+
+ do {
+ GST_LOG_OBJECT (decoder, "Try begin frame, retry count %d", retry_count);
+ gst_d3d11_device_lock (priv->device);
+ hr = ID3D11VideoContext_DecoderBeginFrame (priv->video_context,
+ priv->decoder, output_view->handle, content_key_size, content_key);
+ gst_d3d11_device_unlock (priv->device);
+
+ if (gst_d3d11_result (hr, priv->device)) {
+ GST_LOG_OBJECT (decoder, "Success with retry %d", retry_count);
+ break;
+ } else if (hr == E_PENDING && retry_count < 50) {
+ GST_LOG_OBJECT (decoder, "GPU busy, try again");
+
+ /* HACK: no better idea other than sleep...
+ * 1ms waiting like msdkdec */
+ g_usleep (1000);
+ } else {
+ break;
+ }
+
+ retry_count++;
+ } while (TRUE);
+
+ if (!gst_d3d11_result (hr, priv->device)) {
+ GST_ERROR_OBJECT (decoder, "Failed to begin frame, hr: 0x%x", (guint) hr);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+gboolean
+gst_d3d11_decoder_end_frame (GstD3D11Decoder * decoder)
+{
+ GstD3D11DecoderPrivate *priv;
+ HRESULT hr;
+
+ g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
+
+ priv = decoder->priv;
+
+ gst_d3d11_device_lock (priv->device);
+ hr = ID3D11VideoContext_DecoderEndFrame (priv->video_context, priv->decoder);
+ gst_d3d11_device_unlock (priv->device);
+
+ if (!gst_d3d11_result (hr, priv->device)) {
+ GST_WARNING_OBJECT (decoder, "EndFrame failed, hr: 0x%x", (guint) hr);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+gboolean
+gst_d3d11_decoder_get_decoder_buffer (GstD3D11Decoder * decoder,
+ D3D11_VIDEO_DECODER_BUFFER_TYPE type, guint * buffer_size,
+ gpointer * buffer)
+{
+ GstD3D11DecoderPrivate *priv;
+ UINT size;
+ void *decoder_buffer;
+ HRESULT hr;
+
+ g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
+
+ priv = decoder->priv;
+
+ gst_d3d11_device_lock (priv->device);
+ hr = ID3D11VideoContext_GetDecoderBuffer (priv->video_context,
+ priv->decoder, type, &size, &decoder_buffer);
+ gst_d3d11_device_unlock (priv->device);
+
+ if (!gst_d3d11_result (hr, priv->device)) {
+ GST_WARNING_OBJECT (decoder, "Getting buffer type %d error, hr: 0x%x",
+ type, (guint) hr);
+ return FALSE;
+ }
+
+ *buffer_size = size;
+ *buffer = decoder_buffer;
+
+ return TRUE;
+}
+
+gboolean
+gst_d3d11_decoder_release_decoder_buffer (GstD3D11Decoder * decoder,
+ D3D11_VIDEO_DECODER_BUFFER_TYPE type)
+{
+ GstD3D11DecoderPrivate *priv;
+ HRESULT hr;
+
+ g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
+
+ priv = decoder->priv;
+
+ gst_d3d11_device_lock (priv->device);
+ hr = ID3D11VideoContext_ReleaseDecoderBuffer (priv->video_context,
+ priv->decoder, type);
+ gst_d3d11_device_unlock (priv->device);
+
+ if (!gst_d3d11_result (hr, priv->device)) {
+ GST_WARNING_OBJECT (decoder, "ReleaseDecoderBuffer failed, hr: 0x%x",
+ (guint) hr);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+gboolean
+gst_d3d11_decoder_submit_decoder_buffers (GstD3D11Decoder * decoder,
+ guint buffer_count, const D3D11_VIDEO_DECODER_BUFFER_DESC * buffers)
+{
+ GstD3D11DecoderPrivate *priv;
+ HRESULT hr;
+
+ g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
+
+ priv = decoder->priv;
+
+ gst_d3d11_device_lock (priv->device);
+ hr = ID3D11VideoContext_SubmitDecoderBuffers (priv->video_context,
+ priv->decoder, buffer_count, buffers);
+ gst_d3d11_device_unlock (priv->device);
+
+ if (!gst_d3d11_result (hr, priv->device)) {
+ GST_WARNING_OBJECT (decoder, "SubmitDecoderBuffers failed, hr: 0x%x",
+ (guint) hr);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+GstBuffer *
+gst_d3d11_decoder_get_output_view_buffer (GstD3D11Decoder * decoder)
+{
+ GstD3D11DecoderPrivate *priv;
+ GstBuffer *buf = NULL;
+ GstFlowReturn ret;
+
+ g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
+
+ priv = decoder->priv;
+
+ ret = gst_buffer_pool_acquire_buffer (priv->internal_pool, &buf, NULL);
+
+ if (ret != GST_FLOW_OK || !buf) {
+ GST_ERROR_OBJECT (decoder, "Couldn't get buffer from pool, ret %s",
+ gst_flow_get_name (ret));
+ return FALSE;
+ }
+
+ return buf;
+}
+
+GstD3D11DecoderOutputView *
+gst_d3d11_decoder_get_output_view_from_buffer (GstD3D11Decoder * decoder,
+ GstBuffer * buffer)
+{
+ GstMemory *mem;
+ GstD3D11DecoderOutputView *view;
+
+ g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), NULL);
+ g_return_val_if_fail (GST_IS_BUFFER (buffer), NULL);
+
+ mem = gst_buffer_peek_memory (buffer, 0);
+ if (!gst_is_d3d11_memory (mem)) {
+ GST_WARNING_OBJECT (decoder, "nemory is not d3d11 memory");
+ return NULL;
+ }
+
+ view = (GstD3D11DecoderOutputView *)
+ gst_mini_object_get_qdata (GST_MINI_OBJECT_CAST (mem), OUTPUT_VIEW_QUARK);
+
+ if (!view) {
+ GST_WARNING_OBJECT (decoder, "memory does not have output view");
+ }
+
+ return view;
+}
+
+guint
+gst_d3d11_decoder_get_output_view_index (GstD3D11Decoder * decoder,
+ ID3D11VideoDecoderOutputView * view_handle)
+{
+ D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC view_desc;
+
+ g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), 0xff);
+ g_return_val_if_fail (view_handle != NULL, 0xff);
+
+ ID3D11VideoDecoderOutputView_GetDesc (view_handle, &view_desc);
+
+ return view_desc.Texture2D.ArraySlice;
+}
+
+static gboolean
+copy_to_system (GstD3D11Decoder * self, GstVideoInfo * info,
+ GstBuffer * decoder_buffer, GstBuffer * output)
+{
+ GstD3D11DecoderPrivate *priv = self->priv;
+ D3D11_TEXTURE2D_DESC *desc = &priv->staging_desc;
+ GstVideoFrame out_frame;
+ gint i;
+ GstD3D11Memory *in_mem;
+ D3D11_MAPPED_SUBRESOURCE map;
+ gsize offset[GST_VIDEO_MAX_PLANES];
+ gint stride[GST_VIDEO_MAX_PLANES];
+ gsize dummy;
+ HRESULT hr;
+ ID3D11DeviceContext *device_context =
+ gst_d3d11_device_get_device_context_handle (priv->device);
+
+ if (!gst_video_frame_map (&out_frame, info, output, GST_MAP_WRITE)) {
+ GST_ERROR_OBJECT (self, "Couldn't map output buffer");
+ return FALSE;
+ }
+
+ in_mem = (GstD3D11Memory *) gst_buffer_peek_memory (decoder_buffer, 0);
+
+ gst_d3d11_device_lock (priv->device);
+ ID3D11DeviceContext_CopySubresourceRegion (device_context,
+ (ID3D11Resource *) priv->staging, 0, 0, 0, 0,
+ (ID3D11Resource *) in_mem->texture, in_mem->subresource_index, NULL);
+
+ hr = ID3D11DeviceContext_Map (device_context,
+ (ID3D11Resource *) priv->staging, 0, D3D11_MAP_READ, 0, &map);
+
+ if (!gst_d3d11_result (hr, priv->device)) {
+ GST_ERROR_OBJECT (self, "Failed to map, hr: 0x%x", (guint) hr);
+ gst_d3d11_device_unlock (priv->device);
+ return FALSE;
+ }
+
+ gst_d3d11_dxgi_format_get_size (desc->Format, desc->Width, desc->Height,
+ map.RowPitch, offset, stride, &dummy);
+
+ for (i = 0; i < GST_VIDEO_FRAME_N_PLANES (&out_frame); i++) {
+ guint8 *src, *dst;
+ gint j;
+ gint width;
+
+ src = (guint8 *) map.pData + offset[i];
+ dst = GST_VIDEO_FRAME_PLANE_DATA (&out_frame, i);
+ width = GST_VIDEO_FRAME_COMP_WIDTH (&out_frame, i) *
+ GST_VIDEO_FRAME_COMP_PSTRIDE (&out_frame, i);
+
+ for (j = 0; j < GST_VIDEO_FRAME_COMP_HEIGHT (&out_frame, i); j++) {
+ memcpy (dst, src, width);
+ dst += GST_VIDEO_FRAME_PLANE_STRIDE (&out_frame, i);
+ src += map.RowPitch;
+ }
+ }
+
+ gst_video_frame_unmap (&out_frame);
+ ID3D11DeviceContext_Unmap (device_context, (ID3D11Resource *) priv->staging,
+ 0);
+ gst_d3d11_device_unlock (priv->device);
+
+ return TRUE;
+}
+
+static gboolean
+copy_to_d3d11 (GstD3D11Decoder * self, GstVideoInfo * info,
+ GstBuffer * decoder_buffer, GstBuffer * output)
+{
+ GstD3D11DecoderPrivate *priv = self->priv;
+ gint i;
+ ID3D11DeviceContext *device_context =
+ gst_d3d11_device_get_device_context_handle (priv->device);
+
+ gst_d3d11_device_lock (priv->device);
+ for (i = 0; i < gst_buffer_n_memory (output); i++) {
+ GstD3D11Memory *in_mem;
+ GstD3D11Memory *out_mem;
+ D3D11_BOX src_box;
+ D3D11_TEXTURE2D_DESC desc;
+
+ in_mem = (GstD3D11Memory *) gst_buffer_peek_memory (decoder_buffer, i);
+ out_mem = (GstD3D11Memory *) gst_buffer_peek_memory (output, i);
+
+ ID3D11Texture2D_GetDesc (out_mem->texture, &desc);
+
+ src_box.left = 0;
+ src_box.top = 0;
+ src_box.front = 0;
+ src_box.back = 1;
+ src_box.right = desc.Width;
+ src_box.bottom = desc.Height;
+
+ ID3D11DeviceContext_CopySubresourceRegion (device_context,
+ (ID3D11Resource *) out_mem->texture,
+ out_mem->subresource_index, 0, 0, 0,
+ (ID3D11Resource *) in_mem->texture, in_mem->subresource_index,
+ &src_box);
+
+ GST_MINI_OBJECT_FLAG_SET (out_mem, GST_D3D11_MEMORY_TRANSFER_NEED_DOWNLOAD);
+ }
+ gst_d3d11_device_unlock (priv->device);
+
+ return TRUE;
+}
+
+gboolean
+gst_d3d11_decoder_copy_decoder_buffer (GstD3D11Decoder * decoder,
+ GstVideoInfo * info, GstBuffer * decoder_buffer, GstBuffer * output)
+{
+ GstD3D11DecoderPrivate *priv;
+ gboolean can_device_copy = TRUE;
+
+ g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
+ g_return_val_if_fail (GST_IS_BUFFER (decoder_buffer), FALSE);
+ g_return_val_if_fail (GST_IS_BUFFER (output), FALSE);
+
+ priv = decoder->priv;
+
+ if (gst_buffer_n_memory (decoder_buffer) == gst_buffer_n_memory (output)) {
+ gint i;
+
+ for (i = 0; i < gst_buffer_n_memory (output); i++) {
+ GstMemory *mem;
+ GstD3D11Memory *dmem;
+
+ mem = gst_buffer_peek_memory (output, i);
+
+ if (!gst_is_d3d11_memory (mem)) {
+ can_device_copy = FALSE;
+ break;
+ }
+
+ dmem = (GstD3D11Memory *) mem;
+
+ if (dmem->device != priv->device) {
+ can_device_copy = FALSE;
+ break;
+ }
+ }
+ } else {
+ can_device_copy = FALSE;
+ }
+
+ if (can_device_copy) {
+ return copy_to_d3d11 (decoder, info, decoder_buffer, output);
+ }
+
+ return copy_to_system (decoder, info, decoder_buffer, output);
+}
--- /dev/null
+/* GStreamer
+ * Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __GST_D3D11_DECODER_H__
+#define __GST_D3D11_DECODER_H__
+
+#include <gst/gst.h>
+#include <gst/video/video.h>
+#include <d3d9.h>
+#include <dxva.h>
+#include <dxva2api.h>
+#include "gstd3d11_fwd.h"
+#include "gstd3d11device.h"
+#include "gstd3d11utils.h"
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_D3D11_DECODER \
+ (gst_d3d11_decoder_get_type())
+#define GST_D3D11_DECODER(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_D3D11_DECODER,GstD3D11Decoder))
+#define GST_D3D11_DECODER_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_D3D11_DECODER,GstD3D11DecoderClass))
+#define GST_D3D11_DECODER_GET_CLASS(obj) \
+ (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_D3D11_DECODER,GstD3D11DecoderClass))
+#define GST_IS_D3D11_DECODER(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_D3D11_DECODER))
+#define GST_IS_D3D11_DECODER_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_D3D11_DECODER))
+
+typedef struct _GstD3D11DecoderOutputView GstD3D11DecoderOutputView;
+
+struct _GstD3D11DecoderOutputView
+{
+ GstD3D11Device *device;
+ ID3D11VideoDecoderOutputView *handle;
+ guint view_id;
+};
+
+typedef enum
+{
+ GST_D3D11_CODEC_NONE,
+ GST_D3D11_CODEC_H264,
+
+ /* the last of supported codec */
+ GST_D3D11_CODEC_LAST
+} GstD3D11Codec;
+
+struct _GstD3D11Decoder
+{
+ GstObject parent;
+
+ /* TRUE if decoder was successfully opened ever */
+ gboolean opened;
+
+ /*< private >*/
+ GstD3D11DecoderPrivate *priv;
+ gpointer padding[GST_PADDING_LARGE];
+};
+
+struct _GstD3D11DecoderClass
+{
+ GstObjectClass parent_class;
+};
+
+GType gst_d3d11_decoder_get_type (void);
+
+GstD3D11Decoder * gst_d3d11_decoder_new (GstD3D11Device * device);
+
+gboolean gst_d3d11_decoder_open (GstD3D11Decoder * decoder,
+ GstD3D11Codec codec,
+ GstVideoInfo * info,
+ guint pool_size,
+ const GUID ** decoder_profiles,
+ guint profile_size);
+
+void gst_d3d11_decoder_reset (GstD3D11Decoder * decoder);
+
+gboolean gst_d3d11_decoder_begin_frame (GstD3D11Decoder * decoder,
+ GstD3D11DecoderOutputView * output_view,
+ guint content_key_size,
+ gconstpointer content_key);
+
+gboolean gst_d3d11_decoder_end_frame (GstD3D11Decoder * decoder);
+
+gboolean gst_d3d11_decoder_get_decoder_buffer (GstD3D11Decoder * decoder,
+ D3D11_VIDEO_DECODER_BUFFER_TYPE type,
+ guint * buffer_size,
+ gpointer * buffer);
+
+gboolean gst_d3d11_decoder_release_decoder_buffer (GstD3D11Decoder * decoder,
+ D3D11_VIDEO_DECODER_BUFFER_TYPE type);
+
+gboolean gst_d3d11_decoder_submit_decoder_buffers (GstD3D11Decoder * decoder,
+ guint buffer_count,
+ const D3D11_VIDEO_DECODER_BUFFER_DESC * buffers);
+
+GstBuffer * gst_d3d11_decoder_get_output_view_buffer (GstD3D11Decoder * decoder);
+
+GstD3D11DecoderOutputView * gst_d3d11_decoder_get_output_view_from_buffer (GstD3D11Decoder * decoder,
+ GstBuffer * buffer);
+
+guint gst_d3d11_decoder_get_output_view_index (GstD3D11Decoder * decoder,
+ ID3D11VideoDecoderOutputView * view_handle);
+
+gboolean gst_d3d11_decoder_copy_decoder_buffer (GstD3D11Decoder * decoder,
+ GstVideoInfo * info,
+ GstBuffer * decoder_buffer,
+ GstBuffer * output);
+
+G_END_DECLS
+
+#endif /* __GST_D3D11_DECODER_H__ */
--- /dev/null
+/* GStreamer
+ * Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ * NOTE: some of implementations are copied/modified from Chromium code
+ *
+ * Copyright 2015 The Chromium Authors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "gstd3d11h264dec.h"
+#include "gstd3d11memory.h"
+#include "gstd3d11bufferpool.h"
+#include <string.h>
+
+GST_DEBUG_CATEGORY_EXTERN (gst_d3d11_h264_dec_debug);
+#define GST_CAT_DEFAULT gst_d3d11_h264_dec_debug
+
+enum
+{
+ PROP_0,
+ PROP_ADAPTER
+};
+
+#define DEFAULT_ADAPTER -1
+
+/* copied from d3d11.h since mingw header doesn't define them */
+DEFINE_GUID (GST_GUID_D3D11_DECODER_PROFILE_H264_IDCT_FGT, 0x1b81be67, 0xa0c7,
+ 0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
+DEFINE_GUID (GST_GUID_D3D11_DECODER_PROFILE_H264_VLD_NOFGT, 0x1b81be68, 0xa0c7,
+ 0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
+DEFINE_GUID (GST_GUID_D3D11_DECODER_PROFILE_H264_VLD_FGT, 0x1b81be69, 0xa0c7,
+ 0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
+
+/* worst case 16 (non-interlaced) + 4 margin */
+#define NUM_OUTPUT_VIEW 20
+
+static GstStaticPadTemplate sink_template =
+GST_STATIC_PAD_TEMPLATE (GST_VIDEO_DECODER_SINK_NAME,
+ GST_PAD_SINK, GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("video/x-h264, "
+ "stream-format=(string) { avc, avc3, byte-stream }, "
+ "alignment=(string) au, profile = (string) { high, main }")
+ );
+
+static GstStaticPadTemplate src_template =
+ GST_STATIC_PAD_TEMPLATE (GST_VIDEO_DECODER_SRC_NAME,
+ GST_PAD_SRC, GST_PAD_ALWAYS,
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE_WITH_FEATURES
+ (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY, "{ NV12, P010_10LE }") "; "
+ GST_VIDEO_CAPS_MAKE ("{ NV12, P010_10LE }")));
+
+#define parent_class gst_d3d11_h264_dec_parent_class
+G_DEFINE_TYPE (GstD3D11H264Dec, gst_d3d11_h264_dec, GST_TYPE_H264_DECODER);
+
+static void gst_d3d11_h264_dec_set_property (GObject * object,
+ guint prop_id, const GValue * value, GParamSpec * pspec);
+static void gst_d3d11_h264_dec_get_property (GObject * object,
+ guint prop_id, GValue * value, GParamSpec * pspec);
+static void gst_d3d11_h264_dec_dispose (GObject * object);
+static void gst_d3d11_h264_dec_set_context (GstElement * element,
+ GstContext * context);
+
+static gboolean gst_d3d11_h264_dec_open (GstVideoDecoder * decoder);
+static gboolean gst_d3d11_h264_dec_close (GstVideoDecoder * decoder);
+static gboolean gst_d3d11_h264_dec_start (GstVideoDecoder * decoder);
+static gboolean gst_d3d11_h264_dec_stop (GstVideoDecoder * decoder);
+static GstFlowReturn gst_d3d11_h264_dec_handle_frame (GstVideoDecoder *
+ decoder, GstVideoCodecFrame * frame);
+static gboolean gst_d3d11_h264_dec_negotiate (GstVideoDecoder * decoder);
+static gboolean gst_d3d11_h264_dec_decide_allocation (GstVideoDecoder *
+ decoder, GstQuery * query);
+static gboolean gst_d3d11_h264_dec_src_query (GstVideoDecoder * decoder,
+ GstQuery * query);
+
+/* GstH264Decoder */
+static gboolean gst_d3d11_h264_dec_new_sequence (GstH264Decoder * decoder,
+ const GstH264SPS * sps);
+static gboolean gst_d3d11_h264_dec_new_picture (GstH264Decoder * decoder,
+ GstH264Picture * picture);
+static GstFlowReturn gst_d3d11_h264_dec_output_picture (GstH264Decoder *
+ decoder, GstH264Picture * picture);
+static gboolean gst_d3d11_h264_dec_start_picture (GstH264Decoder * decoder,
+ GstH264Picture * picture, GstH264Slice * slice, GstH264Dpb * dpb);
+static gboolean gst_d3d11_h264_dec_decode_slice (GstH264Decoder * decoder,
+ GstH264Picture * picture, GstH264Slice * slice);
+static gboolean gst_d3d11_h264_dec_end_picture (GstH264Decoder * decoder,
+ GstH264Picture * picture);
+
+static void
+gst_d3d11_h264_dec_class_init (GstD3D11H264DecClass * klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+ GstVideoDecoderClass *decoder_class = GST_VIDEO_DECODER_CLASS (klass);
+ GstH264DecoderClass *h264decoder_class = GST_H264_DECODER_CLASS (klass);
+
+ gobject_class->set_property = gst_d3d11_h264_dec_set_property;
+ gobject_class->get_property = gst_d3d11_h264_dec_get_property;
+ gobject_class->dispose = gst_d3d11_h264_dec_dispose;
+
+ g_object_class_install_property (gobject_class, PROP_ADAPTER,
+ g_param_spec_int ("adapter", "Adapter",
+ "Adapter index for creating device (-1 for default)",
+ -1, G_MAXINT32, DEFAULT_ADAPTER,
+ G_PARAM_READWRITE | GST_PARAM_MUTABLE_READY |
+ G_PARAM_STATIC_STRINGS));
+
+ element_class->set_context =
+ GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_set_context);
+
+ gst_element_class_set_static_metadata (element_class,
+ "Direct3D11 H.264 Video Decoder",
+ "Codec/Decoder/Video/Hardware",
+ "A Direct3D11 based H.264 video decoder",
+ "Seungha Yang <seungha.yang@navercorp.com>");
+
+ gst_element_class_add_static_pad_template (element_class, &sink_template);
+ gst_element_class_add_static_pad_template (element_class, &src_template);
+
+ decoder_class->open = GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_open);
+ decoder_class->close = GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_close);
+ decoder_class->start = GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_start);
+ decoder_class->stop = GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_stop);
+ decoder_class->handle_frame =
+ GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_handle_frame);
+ decoder_class->negotiate = GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_negotiate);
+ decoder_class->decide_allocation =
+ GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_decide_allocation);
+ decoder_class->src_query = GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_src_query);
+
+ h264decoder_class->new_sequence =
+ GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_new_sequence);
+ h264decoder_class->new_picture =
+ GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_new_picture);
+ h264decoder_class->output_picture =
+ GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_output_picture);
+ h264decoder_class->start_picture =
+ GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_start_picture);
+ h264decoder_class->decode_slice =
+ GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_decode_slice);
+ h264decoder_class->end_picture =
+ GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_end_picture);
+}
+
+static void
+gst_d3d11_h264_dec_init (GstD3D11H264Dec * self)
+{
+ self->slice_list = g_array_new (FALSE, TRUE, sizeof (DXVA_Slice_H264_Short));
+ self->adapter = DEFAULT_ADAPTER;
+}
+
+static void
+gst_d3d11_h264_dec_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstD3D11H264Dec *self = GST_D3D11_H264_DEC (object);
+
+ switch (prop_id) {
+ case PROP_ADAPTER:
+ self->adapter = g_value_get_int (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_d3d11_h264_dec_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
+{
+ GstD3D11H264Dec *self = GST_D3D11_H264_DEC (object);
+
+ switch (prop_id) {
+ case PROP_ADAPTER:
+ g_value_set_int (value, self->adapter);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_d3d11_h264_dec_dispose (GObject * object)
+{
+ GstD3D11H264Dec *self = GST_D3D11_H264_DEC (object);
+
+ if (self->slice_list) {
+ g_array_unref (self->slice_list);
+ self->slice_list = NULL;
+ }
+
+ G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+gst_d3d11_h264_dec_set_context (GstElement * element, GstContext * context)
+{
+ GstD3D11H264Dec *self = GST_D3D11_H264_DEC (element);
+
+ gst_d3d11_handle_set_context (element, context, self->adapter, &self->device);
+
+ GST_ELEMENT_CLASS (parent_class)->set_context (element, context);
+}
+
+static gboolean
+gst_d3d11_h264_dec_open (GstVideoDecoder * decoder)
+{
+ GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder);
+
+ if (!gst_d3d11_ensure_element_data (GST_ELEMENT_CAST (self), self->adapter,
+ &self->device)) {
+ GST_ERROR_OBJECT (self, "Cannot create d3d11device");
+ return FALSE;
+ }
+
+ self->d3d11_decoder = gst_d3d11_decoder_new (self->device);
+
+ if (!self->d3d11_decoder) {
+ GST_ERROR_OBJECT (self, "Cannot create d3d11 decoder");
+ gst_clear_object (&self->device);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static gboolean
+gst_d3d11_h264_dec_close (GstVideoDecoder * decoder)
+{
+ GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder);
+
+ gst_clear_object (&self->d3d11_decoder);
+ gst_clear_object (&self->device);
+
+ return TRUE;
+}
+
+static gboolean
+gst_d3d11_h264_dec_start (GstVideoDecoder * decoder)
+{
+ return GST_VIDEO_DECODER_CLASS (parent_class)->start (decoder);
+}
+
+static gboolean
+gst_d3d11_h264_dec_stop (GstVideoDecoder * decoder)
+{
+ GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder);
+
+ gst_h264_picture_replace (&self->current_picture, NULL);
+ if (self->output_state)
+ gst_video_codec_state_unref (self->output_state);
+ self->output_state = NULL;
+
+ return GST_VIDEO_DECODER_CLASS (parent_class)->stop (decoder);
+}
+
+static GstFlowReturn
+gst_d3d11_h264_dec_handle_frame (GstVideoDecoder * decoder,
+ GstVideoCodecFrame * frame)
+{
+ GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder);
+ GstBuffer *in_buf = frame->input_buffer;
+
+ GST_LOG_OBJECT (self,
+ "handle frame, PTS: %" GST_TIME_FORMAT ", DTS: %"
+ GST_TIME_FORMAT, GST_TIME_ARGS (GST_BUFFER_PTS (in_buf)),
+ GST_TIME_ARGS (GST_BUFFER_DTS (in_buf)));
+
+ if (!self->current_picture) {
+ GST_ERROR_OBJECT (self, "No current picture");
+ gst_video_decoder_drop_frame (decoder, frame);
+
+ return GST_FLOW_ERROR;
+ }
+
+ gst_video_codec_frame_set_user_data (frame,
+ self->current_picture, (GDestroyNotify) gst_h264_picture_unref);
+ self->current_picture = NULL;
+
+ gst_video_codec_frame_unref (frame);
+
+ return GST_FLOW_OK;
+}
+
+static gboolean
+gst_d3d11_h264_dec_negotiate (GstVideoDecoder * decoder)
+{
+ GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder);
+ GstH264Decoder *h264dec = GST_H264_DECODER (decoder);
+ GstCaps *peer_caps;
+
+ GST_DEBUG_OBJECT (self, "negotiate");
+
+ if (self->output_state)
+ gst_video_codec_state_unref (self->output_state);
+
+ self->output_state =
+ gst_video_decoder_set_output_state (GST_VIDEO_DECODER (self),
+ self->out_format, self->width, self->height, h264dec->input_state);
+
+ self->output_state->caps = gst_video_info_to_caps (&self->output_state->info);
+
+ peer_caps = gst_pad_get_allowed_caps (GST_VIDEO_DECODER_SRC_PAD (self));
+ GST_DEBUG_OBJECT (self, "Allowed caps %" GST_PTR_FORMAT, peer_caps);
+
+ self->use_d3d11_output = FALSE;
+
+ if (!peer_caps || gst_caps_is_any (peer_caps)) {
+ GST_DEBUG_OBJECT (self,
+ "cannot determine output format, use system memory");
+ } else {
+ GstCapsFeatures *features;
+ guint size = gst_caps_get_size (peer_caps);
+ guint i;
+
+ for (i = 0; i < size; i++) {
+ features = gst_caps_get_features (peer_caps, i);
+ if (features && gst_caps_features_contains (features,
+ GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY)) {
+ GST_DEBUG_OBJECT (self, "found D3D11 memory feature");
+ gst_caps_set_features (self->output_state->caps, 0,
+ gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY, NULL));
+
+ self->use_d3d11_output = TRUE;
+ break;
+ }
+ }
+ }
+ gst_clear_caps (&peer_caps);
+
+ return GST_VIDEO_DECODER_CLASS (parent_class)->negotiate (decoder);
+}
+
+static gboolean
+gst_d3d11_h264_dec_decide_allocation (GstVideoDecoder * decoder,
+ GstQuery * query)
+{
+ GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder);
+ GstCaps *outcaps;
+ GstBufferPool *pool = NULL;
+ guint n, size, min, max;
+ GstVideoInfo vinfo = { 0, };
+ GstStructure *config;
+ GstD3D11AllocationParams *d3d11_params;
+
+ GST_DEBUG_OBJECT (self, "decide allocation");
+
+ gst_query_parse_allocation (query, &outcaps, NULL);
+
+ if (!outcaps) {
+ GST_DEBUG_OBJECT (self, "No output caps");
+ return FALSE;
+ }
+
+ gst_video_info_from_caps (&vinfo, outcaps);
+ n = gst_query_get_n_allocation_pools (query);
+ if (n > 0)
+ gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min, &max);
+
+ /* create our own pool */
+ if (pool && (self->use_d3d11_output && !GST_D3D11_BUFFER_POOL (pool))) {
+ gst_object_unref (pool);
+ pool = NULL;
+ }
+
+ if (!pool) {
+ if (self->use_d3d11_output)
+ pool = gst_d3d11_buffer_pool_new (self->device);
+ else
+ pool = gst_video_buffer_pool_new ();
+
+ min = max = 0;
+ size = (guint) vinfo.size;
+ }
+
+ config = gst_buffer_pool_get_config (pool);
+ gst_buffer_pool_config_set_params (config, outcaps, size, min, max);
+ gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META);
+
+ if (self->use_d3d11_output) {
+ d3d11_params = gst_buffer_pool_config_get_d3d11_allocation_params (config);
+ if (!d3d11_params)
+ d3d11_params = gst_d3d11_allocation_params_new (&vinfo, 0,
+ D3D11_USAGE_DEFAULT, 0);
+
+ /* dxva2 decoder uses non-resource format
+ * (e.g., use NV12 instead of R8 + R8G8 */
+ d3d11_params->desc[0].Width = GST_VIDEO_INFO_WIDTH (&vinfo);
+ d3d11_params->desc[0].Height = GST_VIDEO_INFO_HEIGHT (&vinfo);
+ d3d11_params->desc[0].Format = d3d11_params->d3d11_format->dxgi_format;
+
+ d3d11_params->flags &= ~GST_D3D11_ALLOCATION_FLAG_USE_RESOURCE_FORMAT;
+
+ gst_buffer_pool_config_set_d3d11_allocation_params (config, d3d11_params);
+ gst_d3d11_allocation_params_free (d3d11_params);
+ }
+
+ gst_buffer_pool_set_config (pool, config);
+ if (self->use_d3d11_output)
+ size = GST_D3D11_BUFFER_POOL (pool)->buffer_size;
+
+ if (n > 0)
+ gst_query_set_nth_allocation_pool (query, 0, pool, size, min, max);
+ else
+ gst_query_add_allocation_pool (query, pool, size, min, max);
+ gst_object_unref (pool);
+
+ return GST_VIDEO_DECODER_CLASS (parent_class)->decide_allocation
+ (decoder, query);
+}
+
+static gboolean
+gst_d3d11_h264_dec_src_query (GstVideoDecoder * decoder, GstQuery * query)
+{
+ GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder);
+
+ switch (GST_QUERY_TYPE (query)) {
+ case GST_QUERY_CONTEXT:
+ if (gst_d3d11_handle_context_query (GST_ELEMENT (decoder),
+ query, self->device)) {
+ return TRUE;
+ }
+ break;
+ default:
+ break;
+ }
+
+ return GST_VIDEO_DECODER_CLASS (parent_class)->src_query (decoder, query);
+}
+
+static gboolean
+gst_d3d11_h264_dec_new_sequence (GstH264Decoder * decoder,
+ const GstH264SPS * sps)
+{
+ GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder);
+ gint crop_width, crop_height;
+ gboolean modified = FALSE;
+ static const GUID *supported_profiles[] = {
+ &GST_GUID_D3D11_DECODER_PROFILE_H264_IDCT_FGT,
+ &GST_GUID_D3D11_DECODER_PROFILE_H264_VLD_NOFGT,
+ &GST_GUID_D3D11_DECODER_PROFILE_H264_VLD_FGT
+ };
+
+ GST_LOG_OBJECT (self, "new sequence");
+
+ if (sps->frame_cropping_flag) {
+ crop_width = sps->crop_rect_width;
+ crop_height = sps->crop_rect_height;
+ } else {
+ crop_width = sps->width;
+ crop_height = sps->height;
+ }
+
+ if (self->width != crop_width || self->height != crop_height ||
+ self->coded_width != sps->width || self->coded_height != sps->height) {
+ GST_INFO_OBJECT (self, "resolution changed %dx%d", crop_width, crop_height);
+ self->width = crop_width;
+ self->height = crop_height;
+ self->coded_width = sps->width;
+ self->coded_height = sps->height;
+ modified = TRUE;
+ }
+
+ if (self->bitdepth != sps->bit_depth_luma_minus8 + 8) {
+ GST_INFO_OBJECT (self, "bitdepth changed");
+ self->bitdepth = sps->bit_depth_luma_minus8 + 8;
+ modified = TRUE;
+ }
+
+ if (self->chroma_format_idc != sps->chroma_format_idc) {
+ GST_INFO_OBJECT (self, "chroma format changed");
+ self->chroma_format_idc = sps->chroma_format_idc;
+ modified = TRUE;
+ }
+
+ if (modified || !self->d3d11_decoder->opened) {
+ GstVideoInfo info;
+
+ self->out_format = GST_VIDEO_FORMAT_UNKNOWN;
+
+ if (self->bitdepth == 8) {
+ if (self->chroma_format_idc == 1)
+ self->out_format = GST_VIDEO_FORMAT_NV12;
+ else {
+ GST_FIXME_OBJECT (self, "Could not support 8bits non-4:2:0 format");
+ }
+ } else if (self->bitdepth == 10) {
+ if (self->chroma_format_idc == 1)
+ self->out_format = GST_VIDEO_FORMAT_P010_10LE;
+ else {
+ GST_FIXME_OBJECT (self, "Could not support 10bits non-4:2:0 format");
+ }
+ }
+
+ if (self->out_format == GST_VIDEO_FORMAT_UNKNOWN) {
+ GST_ERROR_OBJECT (self, "Could not support bitdepth/chroma format");
+ return FALSE;
+ }
+
+ /* allocated internal pool with coded width/height */
+ gst_video_info_set_format (&info,
+ self->out_format, self->coded_width, self->coded_height);
+
+ gst_d3d11_decoder_reset (self->d3d11_decoder);
+ if (!gst_d3d11_decoder_open (self->d3d11_decoder, GST_D3D11_CODEC_H264,
+ &info, NUM_OUTPUT_VIEW, supported_profiles,
+ G_N_ELEMENTS (supported_profiles))) {
+ GST_ERROR_OBJECT (self, "Failed to create decoder");
+ return FALSE;
+ }
+
+ if (!gst_video_decoder_negotiate (GST_VIDEO_DECODER (self))) {
+ GST_ERROR_OBJECT (self, "Failed to negotiate with downstream");
+ return FALSE;
+ }
+ }
+
+ return TRUE;
+}
+
+static gboolean
+gst_d3d11_h264_dec_get_bitstream_buffer (GstD3D11H264Dec * self)
+{
+ GST_TRACE_OBJECT (self, "Getting bitstream buffer");
+ if (!gst_d3d11_decoder_get_decoder_buffer (self->d3d11_decoder,
+ D3D11_VIDEO_DECODER_BUFFER_BITSTREAM, &self->bitstream_buffer_size,
+ (gpointer *) & self->bitstream_buffer_bytes)) {
+ GST_ERROR_OBJECT (self, "Faild to get bitstream buffer");
+ return FALSE;
+ }
+
+ GST_TRACE_OBJECT (self, "Got bitstream buffer %p with size %d",
+ self->bitstream_buffer_bytes, self->bitstream_buffer_size);
+ self->current_offset = 0;
+
+ return TRUE;
+}
+
+static GstD3D11DecoderOutputView *
+gst_d3d11_h264_dec_get_output_view_from_picture (GstD3D11H264Dec * self,
+ GstH264Picture * picture)
+{
+ GstBuffer *view_buffer;
+ GstD3D11DecoderOutputView *view;
+
+ view_buffer = (GstBuffer *) gst_h264_picture_get_user_data (picture);
+ if (!view_buffer) {
+ GST_DEBUG_OBJECT (self, "current picture does not have output view buffer");
+ return NULL;
+ }
+
+ view = gst_d3d11_decoder_get_output_view_from_buffer (self->d3d11_decoder,
+ view_buffer);
+ if (!view) {
+ GST_DEBUG_OBJECT (self, "current picture does not have output view handle");
+ return NULL;
+ }
+
+ return view;
+}
+
+static gboolean
+gst_d3d11_h264_dec_start_picture (GstH264Decoder * decoder,
+ GstH264Picture * picture, GstH264Slice * slice, GstH264Dpb * dpb)
+{
+ GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder);
+ GstD3D11DecoderOutputView *view;
+ gint i;
+ GArray *dpb_array;
+
+ view = gst_d3d11_h264_dec_get_output_view_from_picture (self, picture);
+ if (!view) {
+ GST_ERROR_OBJECT (self, "current picture does not have output view handle");
+ return FALSE;
+ }
+
+ GST_TRACE_OBJECT (self, "Begin frame");
+
+ if (!gst_d3d11_decoder_begin_frame (self->d3d11_decoder, view, 0, NULL)) {
+ GST_ERROR_OBJECT (self, "Failed to begin frame");
+ return FALSE;
+ }
+
+ for (i = 0; i < 16; i++) {
+ self->ref_frame_list[i].bPicEntry = 0xFF;
+ self->field_order_cnt_list[i][0] = 0;
+ self->field_order_cnt_list[i][1] = 0;
+ self->frame_num_list[i] = 0;
+ }
+ self->used_for_reference_flags = 0;
+ self->non_existing_frame_flags = 0;
+
+ dpb_array = gst_h264_dpb_get_pictures_all (dpb);
+
+ for (i = 0; i < dpb_array->len; i++) {
+ guint ref = 3;
+ GstH264Picture *other = g_array_index (dpb_array, GstH264Picture *, i);
+ GstD3D11DecoderOutputView *other_view;
+ gint id = 0xff;
+
+ if (!other->ref)
+ continue;
+
+ other_view = gst_d3d11_h264_dec_get_output_view_from_picture (self, other);
+
+ if (other_view)
+ id = other_view->view_id;
+
+ self->ref_frame_list[i].Index7Bits = id;
+ self->ref_frame_list[i].AssociatedFlag = other->long_term;
+ self->field_order_cnt_list[i][0] = other->top_field_order_cnt;
+ self->field_order_cnt_list[i][1] = other->bottom_field_order_cnt;
+ self->frame_num_list[i] = self->ref_frame_list[i].AssociatedFlag
+ ? other->long_term_pic_num : other->frame_num;
+ self->used_for_reference_flags |= ref << (2 * i);
+ self->non_existing_frame_flags |= (other->nonexisting) << i;
+ }
+
+ g_array_unref (dpb_array);
+ g_array_set_size (self->slice_list, 0);
+
+ return gst_d3d11_h264_dec_get_bitstream_buffer (self);
+}
+
+static gboolean
+gst_d3d11_h264_dec_new_picture (GstH264Decoder * decoder,
+ GstH264Picture * picture)
+{
+ GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder);
+ GstBuffer *view_buffer;
+ GstD3D11Memory *mem;
+
+ view_buffer = gst_d3d11_decoder_get_output_view_buffer (self->d3d11_decoder);
+ if (!view_buffer) {
+ GST_ERROR_OBJECT (self, "No available output view buffer");
+ return FALSE;
+ }
+
+ mem = (GstD3D11Memory *) gst_buffer_peek_memory (view_buffer, 0);
+
+ GST_LOG_OBJECT (self, "New output view buffer %" GST_PTR_FORMAT " (index %d)",
+ view_buffer, mem->subresource_index);
+
+ gst_h264_picture_set_user_data (picture,
+ view_buffer, (GDestroyNotify) gst_buffer_unref);
+
+ GST_LOG_OBJECT (self, "New h264picture %p", picture);
+
+ gst_h264_picture_replace (&self->current_picture, picture);
+
+ return TRUE;
+}
+
+static GstFlowReturn
+gst_d3d11_h264_dec_output_picture (GstH264Decoder * decoder,
+ GstH264Picture * picture)
+{
+ GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder);
+ GList *pending_frames, *iter;
+ GstVideoCodecFrame *frame = NULL;
+ GstBuffer *output_buffer = NULL;
+ GstFlowReturn ret;
+ GstBuffer *view_buffer;
+
+ GST_LOG_OBJECT (self,
+ "Outputting picture %p (poc %d)", picture, picture->pic_order_cnt);
+
+ view_buffer = (GstBuffer *) gst_h264_picture_get_user_data (picture);
+
+ if (!view_buffer) {
+ GST_ERROR_OBJECT (self, "Could not get output view");
+ return FALSE;
+ }
+
+ pending_frames = gst_video_decoder_get_frames (GST_VIDEO_DECODER (self));
+ for (iter = pending_frames; iter; iter = g_list_next (iter)) {
+ GstVideoCodecFrame *tmp;
+ GstH264Picture *other_pic;
+
+ tmp = (GstVideoCodecFrame *) iter->data;
+ other_pic = gst_video_codec_frame_get_user_data (tmp);
+ if (!other_pic) {
+ /* FIXME: what should we do here? */
+ GST_WARNING_OBJECT (self,
+ "Codec frame %p does not have corresponding picture object", tmp);
+ continue;
+ }
+
+ if (other_pic == picture) {
+ frame = gst_video_codec_frame_ref (tmp);
+ break;
+ }
+ }
+
+ g_list_free_full (pending_frames,
+ (GDestroyNotify) gst_video_codec_frame_unref);
+
+ if (!frame) {
+ GST_WARNING_OBJECT (self,
+ "Failed to find codec frame for picture %p", picture);
+
+ output_buffer =
+ gst_video_decoder_allocate_output_buffer (GST_VIDEO_DECODER (self));
+
+ if (!output_buffer) {
+ GST_ERROR_OBJECT (self, "Couldn't allocate output buffer");
+ return GST_FLOW_ERROR;
+ }
+
+ GST_BUFFER_PTS (output_buffer) = picture->pts;
+ GST_BUFFER_DTS (output_buffer) = GST_CLOCK_TIME_NONE;
+ GST_BUFFER_DURATION (output_buffer) = GST_CLOCK_TIME_NONE;
+ } else {
+ ret =
+ gst_video_decoder_allocate_output_frame (GST_VIDEO_DECODER (self),
+ frame);
+
+ if (ret != GST_FLOW_OK) {
+ GST_ERROR_OBJECT (self, "failed to allocate output frame");
+ return ret;
+ }
+
+ output_buffer = frame->output_buffer;
+ GST_BUFFER_PTS (output_buffer) = GST_BUFFER_PTS (frame->input_buffer);
+ GST_BUFFER_DTS (output_buffer) = GST_CLOCK_TIME_NONE;
+ GST_BUFFER_DURATION (output_buffer) =
+ GST_BUFFER_DURATION (frame->input_buffer);
+ }
+
+ if (!gst_d3d11_decoder_copy_decoder_buffer (self->d3d11_decoder,
+ &self->output_state->info, view_buffer, output_buffer)) {
+ GST_ERROR_OBJECT (self, "Failed to copy buffer");
+ if (frame)
+ gst_video_decoder_drop_frame (GST_VIDEO_DECODER (self), frame);
+ else
+ gst_buffer_unref (output_buffer);
+
+ return GST_FLOW_ERROR;
+ }
+
+ GST_LOG_OBJECT (self, "Finish frame %" GST_TIME_FORMAT,
+ GST_TIME_ARGS (GST_BUFFER_PTS (output_buffer)));
+
+ if (frame) {
+ ret = gst_video_decoder_finish_frame (GST_VIDEO_DECODER (self), frame);
+ } else {
+ ret = gst_pad_push (GST_VIDEO_DECODER_SRC_PAD (self), output_buffer);
+ }
+
+ return ret;
+}
+
+static gboolean
+gst_d3d11_h264_dec_submit_slice_data (GstD3D11H264Dec * self)
+{
+ guint buffer_size;
+ gpointer buffer;
+ guint8 *data;
+ gsize offset = 0;
+ gint i;
+ D3D11_VIDEO_DECODER_BUFFER_DESC buffer_desc[4] = { 0, };
+ gboolean ret;
+
+ if (self->slice_list->len < 1) {
+ GST_WARNING_OBJECT (self, "Nothing to submit");
+ return FALSE;
+ }
+
+ GST_TRACE_OBJECT (self, "Getting slice control buffer");
+
+ if (!gst_d3d11_decoder_get_decoder_buffer (self->d3d11_decoder,
+ D3D11_VIDEO_DECODER_BUFFER_SLICE_CONTROL, &buffer_size, &buffer)) {
+ GST_ERROR_OBJECT (self, "Couldn't get slice control buffer");
+ return FALSE;
+ }
+
+ data = buffer;
+ for (i = 0; i < self->slice_list->len; i++) {
+ DXVA_Slice_H264_Short *slice_data =
+ &g_array_index (self->slice_list, DXVA_Slice_H264_Short, i);
+
+ memcpy (data + offset, slice_data, sizeof (DXVA_Slice_H264_Short));
+ offset += sizeof (DXVA_Slice_H264_Short);
+ }
+
+ GST_TRACE_OBJECT (self, "Release slice control buffer");
+ if (!gst_d3d11_decoder_release_decoder_buffer (self->d3d11_decoder,
+ D3D11_VIDEO_DECODER_BUFFER_SLICE_CONTROL)) {
+ GST_ERROR_OBJECT (self, "Failed to release slice control buffer");
+ return FALSE;
+ }
+
+ if (!gst_d3d11_decoder_release_decoder_buffer (self->d3d11_decoder,
+ D3D11_VIDEO_DECODER_BUFFER_BITSTREAM)) {
+ GST_ERROR_OBJECT (self, "Failed to release bitstream buffer");
+ return FALSE;
+ }
+
+ buffer_desc[0].BufferType = D3D11_VIDEO_DECODER_BUFFER_PICTURE_PARAMETERS;
+ buffer_desc[0].DataOffset = 0;
+ buffer_desc[0].DataSize = sizeof (DXVA_PicParams_H264);
+
+ buffer_desc[1].BufferType =
+ D3D11_VIDEO_DECODER_BUFFER_INVERSE_QUANTIZATION_MATRIX;
+ buffer_desc[1].DataOffset = 0;
+ buffer_desc[1].DataSize = sizeof (DXVA_Qmatrix_H264);
+
+ buffer_desc[2].BufferType = D3D11_VIDEO_DECODER_BUFFER_SLICE_CONTROL;
+ buffer_desc[2].DataOffset = 0;
+ buffer_desc[2].DataSize =
+ sizeof (DXVA_Slice_H264_Short) * self->slice_list->len;
+
+ buffer_desc[3].BufferType = D3D11_VIDEO_DECODER_BUFFER_BITSTREAM;
+ buffer_desc[3].DataOffset = 0;
+ buffer_desc[3].DataSize = self->current_offset;
+
+ ret = gst_d3d11_decoder_submit_decoder_buffers (self->d3d11_decoder,
+ 4, buffer_desc);
+
+ self->current_offset = 0;
+ self->bitstream_buffer_bytes = NULL;
+ self->bitstream_buffer_size = 0;
+ g_array_set_size (self->slice_list, 0);
+
+ return ret;
+}
+
+static gboolean
+gst_d3d11_h264_dec_end_picture (GstH264Decoder * decoder,
+ GstH264Picture * picture)
+{
+ GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder);
+
+ GST_LOG_OBJECT (self, "end picture %p, (poc %d)",
+ picture, picture->pic_order_cnt);
+
+ if (!gst_d3d11_h264_dec_submit_slice_data (self)) {
+ GST_ERROR_OBJECT (self, "Failed to submit slice data");
+ return FALSE;
+ }
+
+ if (!gst_d3d11_decoder_end_frame (self->d3d11_decoder)) {
+ GST_ERROR_OBJECT (self, "Failed to EndFrame");
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static void
+gst_d3d11_h264_dec_picture_params_from_sps (GstD3D11H264Dec * self,
+ const GstH264SPS * sps, gboolean field_pic, DXVA_PicParams_H264 * params)
+{
+#define COPY_FIELD(f) \
+ (params)->f = (sps)->f
+
+ params->wFrameWidthInMbsMinus1 = sps->pic_width_in_mbs_minus1;
+ params->wFrameHeightInMbsMinus1 = sps->pic_height_in_map_units_minus1;
+ params->residual_colour_transform_flag = sps->separate_colour_plane_flag;
+ params->MbaffFrameFlag = sps->mb_adaptive_frame_field_flag && field_pic;
+ params->field_pic_flag = field_pic;
+ params->MinLumaBipredSize8x8Flag = sps->level_idc >= 31;
+
+ COPY_FIELD (num_ref_frames);
+ COPY_FIELD (chroma_format_idc);
+ COPY_FIELD (frame_mbs_only_flag);
+ COPY_FIELD (bit_depth_luma_minus8);
+ COPY_FIELD (bit_depth_chroma_minus8);
+ COPY_FIELD (log2_max_frame_num_minus4);
+ COPY_FIELD (pic_order_cnt_type);
+ COPY_FIELD (log2_max_pic_order_cnt_lsb_minus4);
+ COPY_FIELD (delta_pic_order_always_zero_flag);
+ COPY_FIELD (direct_8x8_inference_flag);
+
+#undef COPY_FIELD
+}
+
+static void
+gst_d3d11_h264_dec_picture_params_from_pps (GstD3D11H264Dec * self,
+ const GstH264PPS * pps, DXVA_PicParams_H264 * params)
+{
+#define COPY_FIELD(f) \
+ (params)->f = (pps)->f
+
+ COPY_FIELD (constrained_intra_pred_flag);
+ COPY_FIELD (weighted_pred_flag);
+ COPY_FIELD (weighted_bipred_idc);
+ COPY_FIELD (transform_8x8_mode_flag);
+ COPY_FIELD (pic_init_qs_minus26);
+ COPY_FIELD (chroma_qp_index_offset);
+ COPY_FIELD (second_chroma_qp_index_offset);
+ COPY_FIELD (pic_init_qp_minus26);
+ COPY_FIELD (num_ref_idx_l0_active_minus1);
+ COPY_FIELD (num_ref_idx_l1_active_minus1);
+ COPY_FIELD (entropy_coding_mode_flag);
+ COPY_FIELD (pic_order_present_flag);
+ COPY_FIELD (deblocking_filter_control_present_flag);
+ COPY_FIELD (redundant_pic_cnt_present_flag);
+ COPY_FIELD (num_slice_groups_minus1);
+ COPY_FIELD (slice_group_map_type);
+
+#undef COPY_FIELD
+}
+
+static void
+gst_d3d11_h264_dec_picture_params_from_slice_header (GstD3D11H264Dec *
+ self, const GstH264SliceHdr * slice_header, DXVA_PicParams_H264 * params)
+{
+ params->sp_for_switch_flag = slice_header->sp_for_switch_flag;
+ params->field_pic_flag = slice_header->field_pic_flag;
+ params->CurrPic.AssociatedFlag = slice_header->bottom_field_flag;
+ params->IntraPicFlag =
+ GST_H264_IS_I_SLICE (slice_header) || GST_H264_IS_SI_SLICE (slice_header);
+}
+
+static gboolean
+gst_d3d11_h264_dec_fill_picture_params (GstD3D11H264Dec * self,
+ const GstH264SliceHdr * slice_header, DXVA_PicParams_H264 * params)
+{
+ const GstH264SPS *sps;
+ const GstH264PPS *pps;
+
+ g_return_val_if_fail (slice_header->pps != NULL, FALSE);
+ g_return_val_if_fail (slice_header->pps->sequence != NULL, FALSE);
+
+ pps = slice_header->pps;
+ sps = pps->sequence;
+
+ memset (params, 0, sizeof (DXVA_PicParams_H264));
+
+ params->MbsConsecutiveFlag = 1;
+ params->Reserved16Bits = 3;
+ params->ContinuationFlag = 1;
+ params->Reserved8BitsA = 0;
+ params->Reserved8BitsB = 0;
+ params->StatusReportFeedbackNumber = 1;
+
+ gst_d3d11_h264_dec_picture_params_from_sps (self,
+ sps, slice_header->field_pic_flag, params);
+ gst_d3d11_h264_dec_picture_params_from_pps (self, pps, params);
+ gst_d3d11_h264_dec_picture_params_from_slice_header (self,
+ slice_header, params);
+
+ return TRUE;
+}
+
+static gboolean
+gst_d3d11_h264_dec_decode_slice (GstH264Decoder * decoder,
+ GstH264Picture * picture, GstH264Slice * slice)
+{
+ GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder);
+ GstH264SPS *sps;
+ GstH264PPS *pps;
+ DXVA_PicParams_H264 pic_params = { 0, };
+ DXVA_Qmatrix_H264 iq_matrix = { 0, };
+ guint d3d11_buffer_size = 0;
+ gpointer d3d11_buffer = NULL;
+ gint i, j;
+ GstD3D11DecoderOutputView *view;
+
+ pps = slice->header.pps;
+ sps = pps->sequence;
+
+ view = gst_d3d11_h264_dec_get_output_view_from_picture (self, picture);
+
+ if (!view) {
+ GST_ERROR_OBJECT (self, "current picture does not have output view");
+ return FALSE;
+ }
+
+ gst_d3d11_h264_dec_fill_picture_params (self, &slice->header, &pic_params);
+
+ pic_params.CurrPic.Index7Bits = view->view_id;
+ pic_params.RefPicFlag = picture->ref;
+ pic_params.frame_num = picture->frame_num;
+
+ if (pic_params.field_pic_flag && pic_params.CurrPic.AssociatedFlag) {
+ pic_params.CurrFieldOrderCnt[1] = picture->bottom_field_order_cnt;
+ pic_params.CurrFieldOrderCnt[0] = 0;
+ } else if (pic_params.field_pic_flag && !pic_params.CurrPic.AssociatedFlag) {
+ pic_params.CurrFieldOrderCnt[0] = picture->top_field_order_cnt;
+ pic_params.CurrFieldOrderCnt[1] = 0;
+ } else {
+ pic_params.CurrFieldOrderCnt[0] = picture->top_field_order_cnt;
+ pic_params.CurrFieldOrderCnt[1] = picture->bottom_field_order_cnt;
+ }
+
+ memcpy (pic_params.RefFrameList, self->ref_frame_list,
+ sizeof (pic_params.RefFrameList));
+ memcpy (pic_params.FieldOrderCntList, self->field_order_cnt_list,
+ sizeof (pic_params.FieldOrderCntList));
+ memcpy (pic_params.FrameNumList, self->frame_num_list,
+ sizeof (pic_params.FrameNumList));
+
+ pic_params.UsedForReferenceFlags = self->used_for_reference_flags;
+ pic_params.NonExistingFrameFlags = self->non_existing_frame_flags;
+
+ GST_TRACE_OBJECT (self, "Getting picture param decoder buffer");
+
+ if (!gst_d3d11_decoder_get_decoder_buffer (self->d3d11_decoder,
+ D3D11_VIDEO_DECODER_BUFFER_PICTURE_PARAMETERS, &d3d11_buffer_size,
+ &d3d11_buffer)) {
+ GST_ERROR_OBJECT (self,
+ "Failed to get decoder buffer for picture parameters");
+ return FALSE;
+ }
+
+ memcpy (d3d11_buffer, &pic_params, sizeof (DXVA_PicParams_H264));
+
+ GST_TRACE_OBJECT (self, "Release picture param decoder buffer");
+
+ if (!gst_d3d11_decoder_release_decoder_buffer (self->d3d11_decoder,
+ D3D11_VIDEO_DECODER_BUFFER_PICTURE_PARAMETERS)) {
+ GST_ERROR_OBJECT (self, "Failed to release decoder buffer");
+ return FALSE;
+ }
+
+ if (pps->pic_scaling_matrix_present_flag) {
+ for (i = 0; i < 6; i++) {
+ for (j = 0; j < 16; j++) {
+ iq_matrix.bScalingLists4x4[i][j] = pps->scaling_lists_4x4[i][j];
+ }
+ }
+
+ for (i = 0; i < 2; i++) {
+ for (j = 0; j < 64; j++) {
+ iq_matrix.bScalingLists8x8[i][j] = pps->scaling_lists_8x8[i][j];
+ }
+ }
+ } else {
+ for (i = 0; i < 6; i++) {
+ for (j = 0; j < 16; j++) {
+ iq_matrix.bScalingLists4x4[i][j] = sps->scaling_lists_4x4[i][j];
+ }
+ }
+
+ for (i = 0; i < 2; i++) {
+ for (j = 0; j < 64; j++) {
+ iq_matrix.bScalingLists8x8[i][j] = sps->scaling_lists_8x8[i][j];
+ }
+ }
+ }
+
+ GST_TRACE_OBJECT (self, "Getting inverse quantization maxtirx buffer");
+
+ if (!gst_d3d11_decoder_get_decoder_buffer (self->d3d11_decoder,
+ D3D11_VIDEO_DECODER_BUFFER_INVERSE_QUANTIZATION_MATRIX,
+ &d3d11_buffer_size, &d3d11_buffer)) {
+ GST_ERROR_OBJECT (self,
+ "Failed to get decoder buffer for inv. quantization matrix");
+ return FALSE;
+ }
+
+ memcpy (d3d11_buffer, &iq_matrix, sizeof (DXVA_Qmatrix_H264));
+
+ GST_TRACE_OBJECT (self, "Release inverse quantization maxtirx buffer");
+
+ if (!gst_d3d11_decoder_release_decoder_buffer (self->d3d11_decoder,
+ D3D11_VIDEO_DECODER_BUFFER_INVERSE_QUANTIZATION_MATRIX)) {
+ GST_ERROR_OBJECT (self, "Failed to release decoder buffer");
+ return FALSE;
+ }
+
+ {
+ guint to_write = slice->nalu.size + 3;
+ gboolean is_first = TRUE;
+
+ while (to_write > 0) {
+ guint bytes_to_copy;
+ gboolean is_last = TRUE;
+ DXVA_Slice_H264_Short slice_short = { 0, };
+
+ if (self->bitstream_buffer_size < to_write && self->slice_list->len > 0) {
+ if (!gst_d3d11_h264_dec_submit_slice_data (self)) {
+ GST_ERROR_OBJECT (self, "Failed to submit bitstream buffers");
+ return FALSE;
+ }
+
+ if (!gst_d3d11_h264_dec_get_bitstream_buffer (self)) {
+ GST_ERROR_OBJECT (self, "Failed to get bitstream buffer");
+ return FALSE;
+ }
+ }
+
+ bytes_to_copy = to_write;
+
+ if (bytes_to_copy > self->bitstream_buffer_size) {
+ bytes_to_copy = self->bitstream_buffer_size;
+ is_last = FALSE;
+ }
+
+ if (bytes_to_copy >= 3 && is_first) {
+ /* normal case */
+ self->bitstream_buffer_bytes[0] = 0;
+ self->bitstream_buffer_bytes[1] = 0;
+ self->bitstream_buffer_bytes[2] = 1;
+ memcpy (self->bitstream_buffer_bytes + 3,
+ slice->nalu.data + slice->nalu.offset, bytes_to_copy - 3);
+ } else {
+ /* when this nal unit date is splitted into two buffer */
+ memcpy (self->bitstream_buffer_bytes,
+ slice->nalu.data + slice->nalu.offset, bytes_to_copy);
+ }
+
+ slice_short.BSNALunitDataLocation = self->current_offset;
+ slice_short.SliceBytesInBuffer = bytes_to_copy;
+ /* wBadSliceChopping: (dxva h264 spec.)
+ * 0: All bits for the slice are located within the corresponding
+ * bitstream data buffer
+ * 1: The bitstream data buffer contains the start of the slice,
+ * but not the entire slice, because the buffer is full
+ * 2: The bitstream data buffer contains the end of the slice.
+ * It does not contain the start of the slice, because the start of
+ * the slice was located in the previous bitstream data buffer.
+ * 3: The bitstream data buffer does not contain the start of the slice
+ * (because the start of the slice was located in the previous
+ * bitstream data buffer), and it does not contain the end of the slice
+ * (because the current bitstream data buffer is also full).
+ */
+ if (is_last && is_first) {
+ slice_short.wBadSliceChopping = 0;
+ } else if (!is_last && is_first) {
+ slice_short.wBadSliceChopping = 1;
+ } else if (is_last && !is_first) {
+ slice_short.wBadSliceChopping = 2;
+ } else {
+ slice_short.wBadSliceChopping = 3;
+ }
+
+ g_array_append_val (self->slice_list, slice_short);
+ self->bitstream_buffer_size -= bytes_to_copy;
+ self->current_offset += bytes_to_copy;
+ self->bitstream_buffer_bytes += bytes_to_copy;
+ is_first = FALSE;
+ to_write -= bytes_to_copy;
+ }
+ }
+
+ return TRUE;
+}
--- /dev/null
+/* GStreamer
+ * Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __GST_D3D11_H264_DEC_H__
+#define __GST_D3D11_H264_DEC_H__
+
+#include "gsth264decoder.h"
+#include "gsth264picture.h"
+#include "gstd3d11decoder.h"
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_D3D11_H264_DEC \
+ (gst_d3d11_h264_dec_get_type())
+#define GST_D3D11_H264_DEC(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_D3D11_H264_DEC,GstD3D11H264Dec))
+#define GST_D3D11_H264_DEC_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_D3D11_H264_DEC,GstD3D11H264DecClass))
+#define GST_D3D11_H264_DEC_GET_CLASS(obj) \
+ (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_D3D11_H264_DEC,GstD3D11H264DecClass))
+#define GST_IS_D3D11_H264_DEC(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_D3D11_H264_DEC))
+#define GST_IS_D3D11_H264_DEC_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_D3D11_H264_DEC))
+
+struct _GstD3D11H264Dec
+{
+ GstH264Decoder parent;
+
+ GstVideoCodecState *output_state;
+
+ GstD3D11Device *device;
+ gint adapter;
+
+ guint width, height;
+ guint coded_width, coded_height;
+ guint bitdepth;
+ guint chroma_format_idc;
+ GstVideoFormat out_format;
+
+ DXVA_PicEntry_H264 ref_frame_list[16];
+ INT field_order_cnt_list[16][2];
+ USHORT frame_num_list[16];
+ UINT used_for_reference_flags;
+ USHORT non_existing_frame_flags;
+
+ /* Array of DXVA_Slice_H264_Short */
+ GArray *slice_list;
+
+ GstD3D11Decoder *d3d11_decoder;
+
+ GstH264Picture *current_picture;
+
+ /* Pointing current bitstream buffer */
+ guint current_offset;
+ guint bitstream_buffer_size;
+ guint8 * bitstream_buffer_bytes;
+
+ gboolean use_d3d11_output;
+};
+
+struct _GstD3D11H264DecClass
+{
+ GstH264DecoderClass parent_class;
+};
+
+GType gst_d3d11_h264_dec_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_D3D11_H264_DEC_H__ */
--- /dev/null
+/* GStreamer
+ * Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ * NOTE: some of implementations are copied/modified from Chromium code
+ *
+ * Copyright 2015 The Chromium Authors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "gsth264decoder.h"
+
+GST_DEBUG_CATEGORY_EXTERN (gst_d3d11_h264_dec_debug);
+#define GST_CAT_DEFAULT gst_d3d11_h264_dec_debug
+
+typedef enum
+{
+ GST_H264_DECODER_FORMAT_NONE,
+ GST_H264_DECODER_FORMAT_AVC,
+ GST_H264_DECODER_FORMAT_BYTE
+} GstH264DecoderFormat;
+
+typedef enum
+{
+ GST_H264_DECODER_ALIGN_NONE,
+ GST_H264_DECODER_ALIGN_NAL,
+ GST_H264_DECODER_ALIGN_AU
+} GstH264DecoderAlign;
+
+struct _GstH264DecoderPrivate
+{
+ gint width, height;
+ gint fps_num, fps_den;
+ gint upstream_par_n, upstream_par_d;
+ gint parsed_par_n, parsed_par_d;
+ gint parsed_fps_n, parsed_fps_d;
+ GstVideoColorimetry parsed_colorimetry;
+ /* input codec_data, if any */
+ GstBuffer *codec_data;
+ guint nal_length_size;
+
+ /* state */
+ GstH264DecoderFormat in_format;
+ GstH264DecoderAlign align;
+ GstH264NalParser *parser;
+ GstH264Dpb *dpb;
+ GstFlowReturn last_ret;
+
+ /* sps/pps of the current slice */
+ const GstH264SPS *active_sps;
+ const GstH264PPS *active_pps;
+
+ /* Picture currently being processed/decoded */
+ GstH264Picture *current_picture;
+
+ /* Slice (slice header + nalu) currently being processed/decodec */
+ GstH264Slice current_slice;
+
+ gint max_frame_num;
+ gint max_pic_num;
+ gint max_long_term_frame_idx;
+ gsize max_num_reorder_frames;
+
+ gint prev_frame_num;
+ gint prev_ref_frame_num;
+ gint prev_frame_num_offset;
+ gboolean prev_has_memmgmnt5;
+
+ /* Values related to previously decoded reference picture */
+ gboolean prev_ref_has_memmgmnt5;
+ gint prev_ref_top_field_order_cnt;
+ gint prev_ref_pic_order_cnt_msb;
+ gint prev_ref_pic_order_cnt_lsb;
+
+ GstH264PictureField prev_ref_field;
+
+ /* PicOrderCount of the previously outputted frame */
+ gint last_output_poc;
+};
+
+#define parent_class gst_h264_decoder_parent_class
+G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (GstH264Decoder, gst_h264_decoder,
+ GST_TYPE_VIDEO_DECODER);
+
+static gboolean gst_h264_decoder_start (GstVideoDecoder * decoder);
+static gboolean gst_h264_decoder_stop (GstVideoDecoder * decoder);
+static GstFlowReturn gst_h264_decoder_parse (GstVideoDecoder * decoder,
+ GstVideoCodecFrame * frame, GstAdapter * adapter, gboolean at_eos);
+static gboolean gst_h264_decoder_set_format (GstVideoDecoder * decoder,
+ GstVideoCodecState * state);
+static GstFlowReturn gst_h264_decoder_finish (GstVideoDecoder * decoder);
+static gboolean gst_h264_decoder_flush (GstVideoDecoder * decoder);
+static GstFlowReturn gst_h264_decoder_drain (GstVideoDecoder * decoder);
+
+/* codec spcific functions */
+static gboolean gst_h264_decoder_process_sps (GstH264Decoder * self,
+ GstH264SPS * sps);
+static gboolean gst_h264_decoder_decode_slice (GstH264Decoder * self);
+static gboolean gst_h264_decoder_fill_picture_from_slice (GstH264Decoder * self,
+ const GstH264Slice * slice, GstH264Picture * picture);
+static gboolean gst_h264_decoder_calculate_poc (GstH264Decoder * self,
+ GstH264Picture * picture);
+static gboolean gst_h264_decoder_init_gap_picture (GstH264Decoder * self,
+ GstH264Picture * picture, gint frame_num);
+static gboolean
+gst_h264_decoder_output_all_remaining_pics (GstH264Decoder * self);
+static gboolean gst_h264_decoder_finish_current_picture (GstH264Decoder * self);
+static gboolean gst_h264_decoder_finish_picture (GstH264Decoder * self,
+ GstH264Picture * picture);
+
+static void
+gst_h264_decoder_class_init (GstH264DecoderClass * klass)
+{
+ GstVideoDecoderClass *decoder_class = GST_VIDEO_DECODER_CLASS (klass);
+
+ decoder_class->start = GST_DEBUG_FUNCPTR (gst_h264_decoder_start);
+ decoder_class->stop = GST_DEBUG_FUNCPTR (gst_h264_decoder_stop);
+ decoder_class->parse = GST_DEBUG_FUNCPTR (gst_h264_decoder_parse);
+ decoder_class->set_format = GST_DEBUG_FUNCPTR (gst_h264_decoder_set_format);
+ decoder_class->finish = GST_DEBUG_FUNCPTR (gst_h264_decoder_finish);
+ decoder_class->flush = GST_DEBUG_FUNCPTR (gst_h264_decoder_flush);
+ decoder_class->drain = GST_DEBUG_FUNCPTR (gst_h264_decoder_drain);
+}
+
+static void
+gst_h264_decoder_init (GstH264Decoder * self)
+{
+ gst_video_decoder_set_packetized (GST_VIDEO_DECODER (self), FALSE);
+
+ self->priv = gst_h264_decoder_get_instance_private (self);
+}
+
+static gboolean
+gst_h264_decoder_start (GstVideoDecoder * decoder)
+{
+ GstH264Decoder *self = GST_H264_DECODER (decoder);
+ GstH264DecoderPrivate *priv = self->priv;
+
+ priv->parser = gst_h264_nal_parser_new ();
+ priv->dpb = gst_h264_dpb_new ();
+
+ return TRUE;
+}
+
+static gboolean
+gst_h264_decoder_stop (GstVideoDecoder * decoder)
+{
+ GstH264Decoder *self = GST_H264_DECODER (decoder);
+ GstH264DecoderPrivate *priv = self->priv;
+
+ if (self->input_state) {
+ gst_video_codec_state_unref (self->input_state);
+ self->input_state = NULL;
+ }
+
+ gst_clear_buffer (&priv->codec_data);
+
+ if (priv->parser) {
+ gst_h264_nal_parser_free (priv->parser);
+ priv->parser = NULL;
+ }
+
+ if (priv->dpb) {
+ gst_h264_dpb_free (priv->dpb);
+ priv->dpb = NULL;
+ }
+
+ return TRUE;
+}
+
+static void
+gst_h264_decoder_clear_dpb (GstH264Decoder * self)
+{
+ GstH264DecoderPrivate *priv = self->priv;
+
+ gst_h264_dpb_clear (priv->dpb);
+ priv->last_output_poc = -1;
+}
+
+static gboolean
+gst_h264_decoder_flush (GstVideoDecoder * decoder)
+{
+ GstH264Decoder *self = GST_H264_DECODER (decoder);
+ gboolean ret = TRUE;
+
+ gst_h264_decoder_finish_current_picture (self);
+
+ if (!gst_h264_decoder_output_all_remaining_pics (self))
+ ret = FALSE;
+
+ gst_h264_decoder_clear_dpb (self);
+
+ return ret;
+}
+
+static GstFlowReturn
+gst_h264_decoder_drain (GstVideoDecoder * decoder)
+{
+ GstH264Decoder *self = GST_H264_DECODER (decoder);
+ GstH264DecoderPrivate *priv = self->priv;
+
+ gst_h264_decoder_flush (decoder);
+
+ return priv->last_ret;
+}
+
+static GstFlowReturn
+gst_h264_decoder_finish (GstVideoDecoder * decoder)
+{
+ return gst_h264_decoder_drain (decoder);
+}
+
+static gboolean
+gst_h264_decoder_parse_sps (GstH264Decoder * self, GstH264NalUnit * nalu)
+{
+ GstH264DecoderPrivate *priv = self->priv;
+ GstH264SPS sps;
+ GstH264ParserResult pres;
+ gboolean ret = TRUE;
+
+ gst_h264_decoder_finish_current_picture (self);
+
+ pres = gst_h264_parser_parse_sps (priv->parser, nalu, &sps);
+ if (pres != GST_H264_PARSER_OK) {
+ GST_WARNING_OBJECT (self, "Failed to parse SPS, result %d", pres);
+ return FALSE;
+ }
+
+ GST_LOG_OBJECT (self, "SPS parsed");
+
+ if (!gst_h264_decoder_process_sps (self, &sps))
+ ret = FALSE;
+
+ gst_h264_sps_clear (&sps);
+
+ return ret;
+}
+
+static gboolean
+gst_h264_decoder_parse_pps (GstH264Decoder * self, GstH264NalUnit * nalu)
+{
+ GstH264DecoderPrivate *priv = self->priv;
+ GstH264PPS pps;
+ GstH264ParserResult pres;
+
+ gst_h264_decoder_finish_current_picture (self);
+
+ pres = gst_h264_parser_parse_pps (priv->parser, nalu, &pps);
+ if (pres != GST_H264_PARSER_OK) {
+ GST_WARNING_OBJECT (self, "Failed to parse PPS, result %d", pres);
+ return FALSE;
+ }
+
+ GST_LOG_OBJECT (self, "PPS parsed");
+ gst_h264_pps_clear (&pps);
+
+ return TRUE;
+}
+
+static gboolean
+gst_h264_decoder_parse_codec_data (GstH264Decoder * self, const guint8 * data,
+ gsize size)
+{
+ GstH264DecoderPrivate *priv = self->priv;
+ guint num_sps, num_pps;
+ guint off;
+ gint i;
+ GstH264ParserResult pres;
+ GstH264NalUnit nalu;
+#ifndef GST_DISABLE_GST_DEBUG
+ guint profile;
+#endif
+
+ /* parse the avcC data */
+ if (size < 7) { /* when numSPS==0 and numPPS==0, length is 7 bytes */
+ return FALSE;
+ }
+
+ /* parse the version, this must be 1 */
+ if (data[0] != 1) {
+ return FALSE;
+ }
+#ifndef GST_DISABLE_GST_DEBUG
+ /* AVCProfileIndication */
+ /* profile_compat */
+ /* AVCLevelIndication */
+ profile = (data[1] << 16) | (data[2] << 8) | data[3];
+ GST_DEBUG_OBJECT (self, "profile %06x", profile);
+#endif
+
+ /* 6 bits reserved | 2 bits lengthSizeMinusOne */
+ /* this is the number of bytes in front of the NAL units to mark their
+ * length */
+ priv->nal_length_size = (data[4] & 0x03) + 1;
+ GST_DEBUG_OBJECT (self, "nal length size %u", priv->nal_length_size);
+
+ num_sps = data[5] & 0x1f;
+ off = 6;
+ for (i = 0; i < num_sps; i++) {
+ pres = gst_h264_parser_identify_nalu_avc (priv->parser,
+ data, off, size, 2, &nalu);
+ if (pres != GST_H264_PARSER_OK) {
+ GST_WARNING_OBJECT (self, "Failed to identify SPS nalu");
+ return FALSE;
+ }
+
+ gst_h264_decoder_parse_sps (self, &nalu);
+ off = nalu.offset + nalu.size;
+ }
+
+ if (off >= size) {
+ GST_WARNING_OBJECT (self, "Too small avcC");
+ return FALSE;
+ }
+
+ num_pps = data[off];
+ off++;
+
+ for (i = 0; i < num_pps; i++) {
+ pres = gst_h264_parser_identify_nalu_avc (priv->parser,
+ data, off, size, 2, &nalu);
+ if (pres != GST_H264_PARSER_OK) {
+ GST_WARNING_OBJECT (self, "Failed to identify PPS nalu");
+ return FALSE;
+ }
+
+ gst_h264_decoder_parse_pps (self, &nalu);
+ off = nalu.offset + nalu.size;
+ }
+
+ return TRUE;
+}
+
+static gboolean
+gst_h264_decoder_is_new_au (GstH264Decoder * self, GstH264Slice * slice)
+{
+ GstH264DecoderPrivate *priv = self->priv;
+ GstH264SliceHdr *slice_hdr;
+ GstH264NalUnit *nalu;
+ GstH264Picture *current_picture;
+ const GstH264SPS *sps;
+
+ current_picture = priv->current_picture;
+ if (!current_picture)
+ return TRUE;
+
+ slice_hdr = &slice->header;
+ nalu = &slice->nalu;
+ if (slice_hdr->frame_num != current_picture->frame_num ||
+ slice_hdr->pps->id != priv->active_pps->id ||
+ nalu->ref_idc != current_picture->nal_ref_idc ||
+ (! !nalu->idr_pic_flag) != (! !current_picture->idr_pic_id) ||
+ (nalu->idr_pic_flag &&
+ (slice_hdr->idr_pic_id != current_picture->idr_pic_id ||
+ !slice_hdr->first_mb_in_slice)))
+ return TRUE;
+
+ sps = priv->active_sps;
+ if (!sps)
+ return FALSE;
+
+ if (sps->pic_order_cnt_type == current_picture->pic_order_cnt_type) {
+ if (current_picture->pic_order_cnt_type == 0) {
+ if (slice_hdr->pic_order_cnt_lsb != current_picture->pic_order_cnt_lsb ||
+ slice_hdr->delta_pic_order_cnt_bottom !=
+ current_picture->delta_pic_order_cnt_bottom)
+ return TRUE;
+ } else if (current_picture->pic_order_cnt_type == 1) {
+ if (slice_hdr->delta_pic_order_cnt[0] !=
+ current_picture->delta_pic_order_cnt0
+ || slice_hdr->delta_pic_order_cnt[1] !=
+ current_picture->delta_pic_order_cnt1)
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
+static gboolean
+gst_h264_decoder_preprocess_slice (GstH264Decoder * self, GstH264Slice * slice)
+{
+ GstH264DecoderPrivate *priv = self->priv;
+
+ if (gst_h264_decoder_is_new_au (self, slice)) {
+ /* finish previous frame if any */
+ if (!gst_h264_decoder_finish_current_picture (self))
+ return FALSE;
+
+ if (slice->header.first_mb_in_slice != 0) {
+ GST_ERROR_OBJECT (self, "Invalid stream, first_mb_in_slice %d",
+ slice->header.first_mb_in_slice);
+ return FALSE;
+ }
+
+ /* If the new picture is an IDR, flush DPB */
+ if (slice->nalu.idr_pic_flag) {
+ /* Output all remaining pictures, unless we are explicitly instructed
+ * not to do so */
+ if (!slice->header.dec_ref_pic_marking.no_output_of_prior_pics_flag)
+ gst_h264_decoder_flush (GST_VIDEO_DECODER (self));
+
+ gst_h264_dpb_clear (priv->dpb);
+ }
+ }
+
+ return TRUE;
+}
+
+static void
+gst_h264_decoder_update_pic_nums (GstH264Decoder * self, gint frame_num)
+{
+ GstH264DecoderPrivate *priv = self->priv;
+ GArray *dpb = gst_h264_dpb_get_pictures_all (priv->dpb);
+ gint i;
+
+ for (i = 0; i < dpb->len; i++) {
+ GstH264Picture *picture = g_array_index (dpb, GstH264Picture *, i);
+
+ if (picture->field != GST_H264_PICTURE_FIELD_FRAME) {
+ GST_FIXME_OBJECT (self, "Interlaced video not supported");
+ continue;
+ }
+
+ if (!picture->ref)
+ continue;
+
+ if (picture->long_term) {
+ picture->long_term_pic_num = picture->long_term_frame_idx;
+ } else {
+ if (picture->frame_num > frame_num)
+ picture->frame_num_wrap = picture->frame_num - priv->max_frame_num;
+ else
+ picture->frame_num_wrap = picture->frame_num;
+
+ picture->pic_num = picture->frame_num_wrap;
+ }
+ }
+
+ g_array_unref (dpb);
+}
+
+static gboolean
+gst_h264_decoder_handle_frame_num_gap (GstH264Decoder * self, gint frame_num)
+{
+ GstH264DecoderPrivate *priv = self->priv;
+ const GstH264SPS *sps = priv->active_sps;
+ gint unused_short_term_frame_num;
+
+ if (!sps) {
+ GST_ERROR_OBJECT (self, "No active sps");
+ return FALSE;
+ }
+
+ if (!sps->gaps_in_frame_num_value_allowed_flag) {
+ GST_WARNING_OBJECT (self, "Invalid frame num %d", frame_num);
+ return FALSE;
+ }
+
+ GST_DEBUG_OBJECT (self, "Handling frame num gap %d -> %d",
+ priv->prev_ref_frame_num, frame_num);
+
+ /* 7.4.3/7-23 */
+ unused_short_term_frame_num =
+ (priv->prev_ref_frame_num + 1) % priv->max_frame_num;
+ while (unused_short_term_frame_num != frame_num) {
+ GstH264Picture *picture = gst_h264_picture_new ();
+
+ if (!gst_h264_decoder_init_gap_picture (self, picture,
+ unused_short_term_frame_num))
+ return FALSE;
+
+ gst_h264_decoder_update_pic_nums (self, unused_short_term_frame_num);
+
+ if (!gst_h264_decoder_finish_picture (self, picture)) {
+ GST_WARNING ("Failed to finish picture %p", picture);
+ return FALSE;
+ }
+
+ unused_short_term_frame_num++;
+ unused_short_term_frame_num %= priv->max_frame_num;
+ }
+
+ return TRUE;
+}
+
+static gboolean
+gst_h264_decoder_init_current_picture (GstH264Decoder * self)
+{
+ GstH264DecoderPrivate *priv = self->priv;
+
+ if (!gst_h264_decoder_fill_picture_from_slice (self, &priv->current_slice,
+ priv->current_picture)) {
+ return FALSE;
+ }
+
+ if (!gst_h264_decoder_calculate_poc (self, priv->current_picture))
+ return FALSE;
+
+ /* If the slice header indicates we will have to perform reference marking
+ * process after this picture is decoded, store required data for that
+ * purpose */
+ if (priv->current_slice.header.
+ dec_ref_pic_marking.adaptive_ref_pic_marking_mode_flag) {
+ priv->current_picture->dec_ref_pic_marking =
+ priv->current_slice.header.dec_ref_pic_marking;
+ }
+
+ return TRUE;
+}
+
+static gboolean
+gst_h264_decoder_start_current_picture (GstH264Decoder * self)
+{
+ GstH264DecoderClass *klass;
+ GstH264DecoderPrivate *priv = self->priv;
+ const GstH264SPS *sps;
+ gint frame_num;
+ gboolean ret = TRUE;
+
+ g_assert (priv->current_picture != NULL);
+ g_assert (priv->active_sps != NULL);
+ g_assert (priv->active_pps != NULL);
+
+ sps = priv->active_sps;
+
+ priv->max_frame_num = 1 << (sps->log2_max_frame_num_minus4 + 4);
+ frame_num = priv->current_slice.header.frame_num;
+ if (priv->current_slice.nalu.idr_pic_flag)
+ priv->prev_ref_frame_num = 0;
+
+ /* 7.4.3 */
+ if (frame_num != priv->prev_ref_frame_num &&
+ frame_num != (priv->prev_ref_frame_num + 1) % priv->max_frame_num) {
+ if (!gst_h264_decoder_handle_frame_num_gap (self, frame_num))
+ return FALSE;
+ }
+
+ if (!gst_h264_decoder_init_current_picture (self))
+ return FALSE;
+
+ gst_h264_decoder_update_pic_nums (self, frame_num);
+
+ klass = GST_H264_DECODER_GET_CLASS (self);
+ if (klass->start_picture)
+ ret = klass->start_picture (self, priv->current_picture,
+ &priv->current_slice, priv->dpb);
+
+ if (!ret) {
+ GST_ERROR_OBJECT (self, "subclass does not want to start picture");
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static gboolean
+gst_h264_decoder_parse_slice (GstH264Decoder * self, GstH264NalUnit * nalu,
+ GstClockTime pts)
+{
+ GstH264DecoderPrivate *priv = self->priv;
+ GstH264ParserResult pres = GST_H264_PARSER_OK;
+
+ memset (&priv->current_slice, 0, sizeof (GstH264Slice));
+
+ pres = gst_h264_parser_parse_slice_hdr (priv->parser, nalu,
+ &priv->current_slice.header, TRUE, TRUE);
+
+ if (pres != GST_H264_PARSER_OK) {
+ GST_ERROR_OBJECT (self, "Failed to parse slice header, ret %d", pres);
+ memset (&priv->current_slice, 0, sizeof (GstH264Slice));
+
+ return FALSE;
+ }
+
+ priv->current_slice.nalu = *nalu;
+
+ if (!gst_h264_decoder_preprocess_slice (self, &priv->current_slice))
+ return FALSE;
+
+ priv->active_pps = priv->current_slice.header.pps;
+ priv->active_sps = priv->active_pps->sequence;
+
+ if (!priv->current_picture) {
+ GstH264DecoderClass *klass = GST_H264_DECODER_GET_CLASS (self);
+ GstH264Picture *picture;
+ gboolean ret = TRUE;
+
+ picture = gst_h264_picture_new ();
+ picture->pts = pts;
+
+ if (klass->new_picture)
+ ret = klass->new_picture (self, picture);
+
+ if (!ret) {
+ GST_ERROR_OBJECT (self, "subclass does not want accept new picture");
+ gst_h264_picture_unref (picture);
+ return FALSE;
+ }
+
+ priv->current_picture = picture;
+
+ if (!gst_h264_decoder_start_current_picture (self)) {
+ GST_ERROR_OBJECT (self, "start picture failed");
+ return FALSE;
+ }
+ }
+
+ return gst_h264_decoder_decode_slice (self);
+}
+
+static GstFlowReturn
+gst_h264_decoder_parse_nal (GstH264Decoder * self, const guint8 * data,
+ gsize size, GstClockTime pts, gboolean at_eos, gsize * consumed_size)
+{
+ GstH264DecoderPrivate *priv = self->priv;
+ GstH264ParserResult pres;
+ GstH264NalUnit nalu;
+ gboolean ret = TRUE;
+
+ *consumed_size = 0;
+
+ if (priv->in_format == GST_H264_DECODER_FORMAT_AVC) {
+ if (priv->nal_length_size < 1 || priv->nal_length_size > 4) {
+ GST_ERROR_OBJECT (self,
+ "invalid nal length size %d", priv->nal_length_size);
+ return GST_FLOW_ERROR;
+ }
+
+ pres = gst_h264_parser_identify_nalu_avc (priv->parser,
+ data, 0, size, priv->nal_length_size, &nalu);
+
+ if (pres != GST_H264_PARSER_OK) {
+ GST_WARNING_OBJECT (self, "parsing avc nal ret %d", pres);
+ return GST_FLOW_ERROR;
+ }
+ } else {
+ if (size < 5) {
+ GST_DEBUG_OBJECT (self, "Too small data");
+ return GST_VIDEO_DECODER_FLOW_NEED_DATA;
+ }
+
+ pres = gst_h264_parser_identify_nalu (priv->parser, data, 0, size, &nalu);
+
+ if (pres != GST_H264_PARSER_OK) {
+ if (pres == GST_H264_PARSER_NO_NAL_END) {
+ if (at_eos || priv->align == GST_H264_DECODER_ALIGN_AU) {
+ /* assume au boundary */
+ } else {
+ return GST_VIDEO_DECODER_FLOW_NEED_DATA;
+ }
+ } else {
+ GST_WARNING_OBJECT (self, "parser ret %d", pres);
+ return GST_FLOW_ERROR;
+ }
+ }
+ }
+
+ GST_LOG_OBJECT (self, "Parsed nal type: %d, offset %d, size %d",
+ nalu.type, nalu.offset, nalu.size);
+
+ switch (nalu.type) {
+ case GST_H264_NAL_SPS:
+ ret = gst_h264_decoder_parse_sps (self, &nalu);
+ break;
+ case GST_H264_NAL_PPS:
+ ret = gst_h264_decoder_parse_pps (self, &nalu);
+ break;
+ case GST_H264_NAL_SLICE:
+ case GST_H264_NAL_SLICE_DPA:
+ case GST_H264_NAL_SLICE_DPB:
+ case GST_H264_NAL_SLICE_DPC:
+ case GST_H264_NAL_SLICE_IDR:
+ case GST_H264_NAL_SLICE_EXT:
+ ret = gst_h264_decoder_parse_slice (self, &nalu, pts);
+ break;
+ default:
+ break;
+ }
+
+ if (consumed_size)
+ *consumed_size = nalu.offset + nalu.size;
+
+ if (!ret)
+ return GST_FLOW_ERROR;
+
+ return GST_FLOW_OK;
+}
+
+static GstFlowReturn
+gst_h264_decoder_parse (GstVideoDecoder * decoder, GstVideoCodecFrame * frame,
+ GstAdapter * adapter, gboolean at_eos)
+{
+ GstH264Decoder *self = GST_H264_DECODER (decoder);
+ GstH264DecoderPrivate *priv = self->priv;
+ GstFlowReturn ret = GST_FLOW_OK;
+ guint size;
+ const guint8 *data;
+ gsize consumed = 0;
+
+ /* The return from have_frame() or output_picture() */
+ priv->last_ret = GST_FLOW_OK;
+
+ size = gst_adapter_available (adapter);
+
+ data = (const guint8 *) gst_adapter_map (adapter, size);
+ ret = gst_h264_decoder_parse_nal (self, data, size,
+ gst_adapter_prev_pts (adapter, NULL), at_eos, &consumed);
+ gst_adapter_unmap (adapter);
+
+ if (consumed) {
+ GST_TRACE_OBJECT (self, "consumed size %" G_GSIZE_FORMAT, consumed);
+ gst_video_decoder_add_to_frame (decoder, consumed);
+ }
+
+ if (ret == GST_FLOW_ERROR)
+ goto error;
+
+ /* When AU alginment and has no available input data more,
+ * finish current picture if any */
+ if (priv->align == GST_H264_DECODER_ALIGN_AU &&
+ !gst_adapter_available (adapter)) {
+ gst_h264_decoder_finish_current_picture (self);
+ }
+
+ /* check last flow return again */
+ if (ret == GST_FLOW_ERROR)
+ goto error;
+
+ return priv->last_ret;
+
+error:
+ GST_VIDEO_DECODER_ERROR (self, 1, STREAM, DECODE,
+ ("Failed to decode data"), (NULL), ret);
+
+ return ret;
+}
+
+static void
+gst_h264_decoder_format_from_caps (GstH264Decoder * self, GstCaps * caps,
+ GstH264DecoderFormat * format, GstH264DecoderAlign * align)
+{
+ if (format)
+ *format = GST_H264_DECODER_FORMAT_NONE;
+
+ if (align)
+ *align = GST_H264_DECODER_ALIGN_NONE;
+
+ if (!gst_caps_is_fixed (caps)) {
+ GST_WARNING_OBJECT (self, "Caps wasn't fixed");
+ return;
+ }
+
+ GST_DEBUG_OBJECT (self, "parsing caps: %" GST_PTR_FORMAT, caps);
+
+ if (caps && gst_caps_get_size (caps) > 0) {
+ GstStructure *s = gst_caps_get_structure (caps, 0);
+ const gchar *str = NULL;
+
+ if (format) {
+ if ((str = gst_structure_get_string (s, "stream-format"))) {
+ if (strcmp (str, "avc") == 0 || strcmp (str, "avc3") == 0)
+ *format = GST_H264_DECODER_FORMAT_AVC;
+ else if (strcmp (str, "byte-stream") == 0)
+ *format = GST_H264_DECODER_FORMAT_BYTE;
+ }
+ }
+
+ if (align) {
+ if ((str = gst_structure_get_string (s, "alignment"))) {
+ if (strcmp (str, "au") == 0)
+ *align = GST_H264_DECODER_ALIGN_AU;
+ else if (strcmp (str, "nal") == 0)
+ *align = GST_H264_DECODER_ALIGN_NAL;
+ }
+ }
+ }
+}
+
+static gboolean
+gst_h264_decoder_set_format (GstVideoDecoder * decoder,
+ GstVideoCodecState * state)
+{
+ GstH264Decoder *self = GST_H264_DECODER (decoder);
+ GstH264DecoderPrivate *priv = self->priv;
+
+ GST_DEBUG_OBJECT (decoder, "Set format");
+
+ if (self->input_state)
+ gst_video_codec_state_unref (self->input_state);
+
+ self->input_state = gst_video_codec_state_ref (state);
+
+ if (state->caps) {
+ GstStructure *str;
+ const GValue *codec_data_value;
+ GstH264DecoderFormat format;
+ GstH264DecoderAlign align;
+
+ gst_h264_decoder_format_from_caps (self, state->caps, &format, &align);
+
+ str = gst_caps_get_structure (state->caps, 0);
+ codec_data_value = gst_structure_get_value (str, "codec_data");
+
+ if (GST_VALUE_HOLDS_BUFFER (codec_data_value)) {
+ gst_buffer_replace (&priv->codec_data,
+ gst_value_get_buffer (codec_data_value));
+ } else {
+ gst_buffer_replace (&priv->codec_data, NULL);
+ }
+
+ if (format == GST_H264_DECODER_FORMAT_NONE) {
+ /* codec_data implies avc */
+ if (codec_data_value != NULL) {
+ GST_WARNING_OBJECT (self,
+ "video/x-h264 caps with codec_data but no stream-format=avc");
+ format = GST_H264_DECODER_FORMAT_AVC;
+ } else {
+ /* otherwise assume bytestream input */
+ GST_WARNING_OBJECT (self,
+ "video/x-h264 caps without codec_data or stream-format");
+ format = GST_H264_DECODER_FORMAT_BYTE;
+ }
+ }
+
+ if (format == GST_H264_DECODER_FORMAT_AVC) {
+ /* AVC requires codec_data, AVC3 might have one and/or SPS/PPS inline */
+ if (codec_data_value == NULL) {
+ /* Try it with size 4 anyway */
+ priv->nal_length_size = 4;
+ GST_WARNING_OBJECT (self,
+ "avc format without codec data, assuming nal length size is 4");
+ }
+
+ /* AVC implies alignment=au */
+ if (align == GST_H264_DECODER_ALIGN_NONE)
+ align = GST_H264_DECODER_ALIGN_AU;
+ }
+
+ if (format == GST_H264_DECODER_FORMAT_BYTE) {
+ if (codec_data_value != NULL) {
+ GST_WARNING_OBJECT (self, "bytestream with codec data");
+ }
+ }
+
+ priv->in_format = format;
+ priv->align = align;
+ }
+
+ if (priv->codec_data) {
+ GstMapInfo map;
+
+ gst_buffer_map (priv->codec_data, &map, GST_MAP_READ);
+ gst_h264_decoder_parse_codec_data (self, map.data, map.size);
+ gst_buffer_unmap (priv->codec_data, &map);
+ }
+
+ return TRUE;
+}
+
+static gboolean
+gst_h264_decoder_fill_picture_from_slice (GstH264Decoder * self,
+ const GstH264Slice * slice, GstH264Picture * picture)
+{
+ const GstH264SliceHdr *slice_hdr = &slice->header;
+ const GstH264PPS *pps;
+ const GstH264SPS *sps;
+
+ pps = slice_hdr->pps;
+ if (!pps) {
+ GST_ERROR_OBJECT (self, "No pps in slice header");
+ return FALSE;
+ }
+
+ sps = pps->sequence;
+ if (!sps) {
+ GST_ERROR_OBJECT (self, "No sps in pps");
+ return FALSE;
+ }
+
+ picture->idr = slice->nalu.idr_pic_flag;
+ if (picture->idr)
+ picture->idr_pic_id = slice_hdr->idr_pic_id;
+
+ if (slice_hdr->field_pic_flag)
+ picture->field =
+ slice_hdr->bottom_field_flag ?
+ GST_H264_PICTURE_FIELD_BOTTOM_FIELD : GST_H264_PICTURE_FILED_TOP_FIELD;
+ else
+ picture->field = GST_H264_PICTURE_FIELD_FRAME;
+
+ if (picture->field != GST_H264_PICTURE_FIELD_FRAME) {
+ GST_FIXME ("Interlace video not supported");
+ return FALSE;
+ }
+
+ picture->nal_ref_idc = slice->nalu.ref_idc;
+ picture->ref = slice->nalu.ref_idc != 0;
+
+ /* This assumes non-interlaced stream */
+ picture->frame_num = picture->pic_num = slice_hdr->frame_num;
+
+ picture->pic_order_cnt_type = sps->pic_order_cnt_type;
+ switch (picture->pic_order_cnt_type) {
+ case 0:
+ picture->pic_order_cnt_lsb = slice_hdr->pic_order_cnt_lsb;
+ picture->delta_pic_order_cnt_bottom =
+ slice_hdr->delta_pic_order_cnt_bottom;
+ break;
+ case 1:
+ picture->delta_pic_order_cnt0 = slice_hdr->delta_pic_order_cnt[0];
+ picture->delta_pic_order_cnt1 = slice_hdr->delta_pic_order_cnt[1];
+ break;
+ case 2:
+ break;
+ default:
+ g_assert_not_reached ();
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static gboolean
+gst_h264_decoder_calculate_poc (GstH264Decoder * self, GstH264Picture * picture)
+{
+ GstH264DecoderPrivate *priv = self->priv;
+ const GstH264SPS *sps = priv->active_sps;
+
+ if (!sps) {
+ GST_ERROR_OBJECT (self, "No active SPS");
+ return FALSE;
+ }
+
+ switch (picture->pic_order_cnt_type) {
+ case 0:{
+ /* See spec 8.2.1.1 */
+ gint prev_pic_order_cnt_msb, prev_pic_order_cnt_lsb;
+ gint max_pic_order_cnt_lsb;
+
+ if (picture->idr) {
+ prev_pic_order_cnt_msb = prev_pic_order_cnt_lsb = 0;
+ } else {
+ if (priv->prev_ref_has_memmgmnt5) {
+ if (priv->prev_ref_field != GST_H264_PICTURE_FIELD_BOTTOM_FIELD) {
+ prev_pic_order_cnt_msb = 0;
+ prev_pic_order_cnt_lsb = priv->prev_ref_top_field_order_cnt;
+ } else {
+ prev_pic_order_cnt_msb = 0;
+ prev_pic_order_cnt_lsb = 0;
+ }
+ } else {
+ prev_pic_order_cnt_msb = priv->prev_ref_pic_order_cnt_msb;
+ prev_pic_order_cnt_lsb = priv->prev_ref_pic_order_cnt_lsb;
+ }
+ }
+
+ max_pic_order_cnt_lsb = 1 << (sps->log2_max_pic_order_cnt_lsb_minus4 + 4);
+
+ if ((picture->pic_order_cnt_lsb < prev_pic_order_cnt_lsb) &&
+ (prev_pic_order_cnt_lsb - picture->pic_order_cnt_lsb >=
+ max_pic_order_cnt_lsb / 2)) {
+ picture->pic_order_cnt_msb =
+ prev_pic_order_cnt_msb + max_pic_order_cnt_lsb;
+ } else if ((picture->pic_order_cnt_lsb > prev_pic_order_cnt_lsb)
+ && (picture->pic_order_cnt_lsb - prev_pic_order_cnt_lsb >
+ max_pic_order_cnt_lsb / 2)) {
+ picture->pic_order_cnt_msb =
+ prev_pic_order_cnt_msb - max_pic_order_cnt_lsb;
+ } else {
+ picture->pic_order_cnt_msb = prev_pic_order_cnt_msb;
+ }
+
+ if (picture->field != GST_H264_PICTURE_FIELD_BOTTOM_FIELD) {
+ picture->top_field_order_cnt =
+ picture->pic_order_cnt_msb + picture->pic_order_cnt_lsb;
+ }
+
+ if (picture->field != GST_H264_PICTURE_FILED_TOP_FIELD) {
+ if (picture->field == GST_H264_PICTURE_FIELD_FRAME) {
+ picture->bottom_field_order_cnt =
+ picture->top_field_order_cnt +
+ picture->delta_pic_order_cnt_bottom;
+ } else {
+ picture->bottom_field_order_cnt =
+ picture->pic_order_cnt_msb + picture->pic_order_cnt_lsb;
+ }
+ }
+ break;
+ }
+
+ case 1:{
+ gint abs_frame_num = 0;
+ gint expected_pic_order_cnt = 0;
+ gint i;
+
+ /* See spec 8.2.1.2 */
+ if (priv->prev_has_memmgmnt5)
+ priv->prev_frame_num_offset = 0;
+
+ if (picture->idr)
+ picture->frame_num_offset = 0;
+ else if (priv->prev_frame_num > picture->frame_num)
+ picture->frame_num_offset =
+ priv->prev_frame_num_offset + priv->max_frame_num;
+ else
+ picture->frame_num_offset = priv->prev_frame_num_offset;
+
+ if (sps->num_ref_frames_in_pic_order_cnt_cycle != 0)
+ abs_frame_num = picture->frame_num_offset + picture->frame_num;
+ else
+ abs_frame_num = 0;
+
+ if (picture->nal_ref_idc == 0 && abs_frame_num > 0)
+ --abs_frame_num;
+
+ if (abs_frame_num > 0) {
+ gint pic_order_cnt_cycle_cnt, frame_num_in_pic_order_cnt_cycle;
+ gint expected_delta_per_pic_order_cnt_cycle = 0;
+
+ if (sps->num_ref_frames_in_pic_order_cnt_cycle == 0) {
+ GST_WARNING_OBJECT (self,
+ "Invalid num_ref_frames_in_pic_order_cnt_cycle in stream");
+ return FALSE;
+ }
+
+ pic_order_cnt_cycle_cnt =
+ (abs_frame_num - 1) / sps->num_ref_frames_in_pic_order_cnt_cycle;
+ frame_num_in_pic_order_cnt_cycle =
+ (abs_frame_num - 1) % sps->num_ref_frames_in_pic_order_cnt_cycle;
+
+ for (i = 0; i < sps->num_ref_frames_in_pic_order_cnt_cycle; i++) {
+ expected_delta_per_pic_order_cnt_cycle +=
+ sps->offset_for_ref_frame[i];
+ }
+
+ expected_pic_order_cnt = pic_order_cnt_cycle_cnt *
+ expected_delta_per_pic_order_cnt_cycle;
+ /* frame_num_in_pic_order_cnt_cycle is verified < 255 in parser */
+ for (i = 0; i <= frame_num_in_pic_order_cnt_cycle; ++i)
+ expected_pic_order_cnt += sps->offset_for_ref_frame[i];
+ }
+
+ if (!picture->nal_ref_idc)
+ expected_pic_order_cnt += sps->offset_for_non_ref_pic;
+
+ if (picture->field == GST_H264_PICTURE_FIELD_FRAME) {
+ picture->top_field_order_cnt =
+ expected_pic_order_cnt + picture->delta_pic_order_cnt0;
+ picture->bottom_field_order_cnt = picture->top_field_order_cnt +
+ sps->offset_for_top_to_bottom_field + picture->delta_pic_order_cnt1;
+ } else if (picture->field != GST_H264_PICTURE_FIELD_BOTTOM_FIELD) {
+ picture->top_field_order_cnt =
+ expected_pic_order_cnt + picture->delta_pic_order_cnt0;
+ } else {
+ picture->bottom_field_order_cnt = expected_pic_order_cnt +
+ sps->offset_for_top_to_bottom_field + picture->delta_pic_order_cnt0;
+ }
+ break;
+ }
+
+ case 2:{
+ gint temp_pic_order_cnt;
+
+ /* See spec 8.2.1.3 */
+ if (priv->prev_has_memmgmnt5)
+ priv->prev_frame_num_offset = 0;
+
+ if (picture->idr)
+ picture->frame_num_offset = 0;
+ else if (priv->prev_frame_num > picture->frame_num)
+ picture->frame_num_offset =
+ priv->prev_frame_num_offset + priv->max_frame_num;
+ else
+ picture->frame_num_offset = priv->prev_frame_num_offset;
+
+ if (picture->idr) {
+ temp_pic_order_cnt = 0;
+ } else if (!picture->nal_ref_idc) {
+ temp_pic_order_cnt =
+ 2 * (picture->frame_num_offset + picture->frame_num) - 1;
+ } else {
+ temp_pic_order_cnt =
+ 2 * (picture->frame_num_offset + picture->frame_num);
+ }
+
+ if (picture->field == GST_H264_PICTURE_FIELD_FRAME) {
+ picture->top_field_order_cnt = temp_pic_order_cnt;
+ picture->bottom_field_order_cnt = temp_pic_order_cnt;
+ } else if (picture->field == GST_H264_PICTURE_FIELD_BOTTOM_FIELD) {
+ picture->bottom_field_order_cnt = temp_pic_order_cnt;
+ } else {
+ picture->top_field_order_cnt = temp_pic_order_cnt;
+ }
+ break;
+ }
+
+ default:
+ GST_WARNING_OBJECT (self,
+ "Invalid pic_order_cnt_type: %d", sps->pic_order_cnt_type);
+ return FALSE;
+ }
+
+ switch (picture->field) {
+ case GST_H264_PICTURE_FIELD_FRAME:
+ picture->pic_order_cnt =
+ MIN (picture->top_field_order_cnt, picture->bottom_field_order_cnt);
+ break;
+ case GST_H264_PICTURE_FILED_TOP_FIELD:
+ picture->pic_order_cnt = picture->top_field_order_cnt;
+ break;
+ case GST_H264_PICTURE_FIELD_BOTTOM_FIELD:
+ picture->pic_order_cnt = picture->bottom_field_order_cnt;
+ break;
+ default:
+ g_assert_not_reached ();
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static void
+gst_h264_decoder_do_output_picture (GstH264Decoder * self,
+ GstH264Picture * picture)
+{
+ GstH264DecoderPrivate *priv = self->priv;
+ GstH264DecoderClass *klass;
+
+ picture->outputted = TRUE;
+
+ if (picture->nonexisting) {
+ GST_DEBUG_OBJECT (self, "Skipping output, non-existing frame_num %d",
+ picture->frame_num);
+ return;
+ }
+
+ if (picture->pic_order_cnt < priv->last_output_poc) {
+ GST_WARNING_OBJECT (self,
+ "Outputting out of order %d -> %d, likely a broken stream",
+ priv->last_output_poc, picture->pic_order_cnt);
+ }
+
+ priv->last_output_poc = picture->pic_order_cnt;
+
+ klass = GST_H264_DECODER_GET_CLASS (self);
+
+ if (klass->output_picture)
+ priv->last_ret = klass->output_picture (self, picture);
+}
+
+static gboolean
+gst_h264_decoder_finish_current_picture (GstH264Decoder * self)
+{
+ GstH264DecoderPrivate *priv = self->priv;
+ GstH264DecoderClass *klass;
+ GstH264Picture *picture;
+ gboolean ret = TRUE;
+
+ if (!priv->current_picture)
+ return TRUE;
+
+ picture = priv->current_picture;
+ priv->current_picture = NULL;
+
+ klass = GST_H264_DECODER_GET_CLASS (self);
+
+ if (klass->end_picture)
+ ret = klass->end_picture (self, picture);
+
+ gst_video_decoder_have_frame (GST_VIDEO_DECODER (self));
+
+ /* finish picture takes ownership of the picture */
+ if (!gst_h264_decoder_finish_picture (self, picture)) {
+ GST_ERROR_OBJECT (self, "Failed to finish picture");
+ return FALSE;
+ }
+
+ return ret;
+}
+
+static gint
+poc_asc_compare (const GstH264Picture * a, const GstH264Picture * b)
+{
+ return a->pic_order_cnt > b->pic_order_cnt;
+}
+
+static gboolean
+gst_h264_decoder_output_all_remaining_pics (GstH264Decoder * self)
+{
+ GstH264DecoderPrivate *priv = self->priv;
+ GList *to_output = NULL;
+ GList *iter;
+
+ gst_h264_dpb_get_pictures_not_outputted (priv->dpb, &to_output);
+
+ to_output = g_list_sort (to_output, (GCompareFunc) poc_asc_compare);
+
+ for (iter = to_output; iter; iter = g_list_next (iter)) {
+ GstH264Picture *picture = (GstH264Picture *) iter->data;
+
+ GST_LOG_OBJECT (self, "Output picture %p (frame num %d, poc %d)", picture,
+ picture->frame_num, picture->pic_order_cnt);
+ gst_h264_decoder_do_output_picture (self, picture);
+ }
+
+ if (to_output)
+ g_list_free_full (to_output, (GDestroyNotify) gst_h264_picture_unref);
+
+ return TRUE;
+}
+
+static gboolean
+gst_h264_decoder_handle_memory_management_opt (GstH264Decoder * self,
+ GstH264Picture * picture)
+{
+ GstH264DecoderPrivate *priv = self->priv;
+ gint i;
+
+ for (i = 0; i < G_N_ELEMENTS (picture->dec_ref_pic_marking.ref_pic_marking);
+ i++) {
+ GstH264RefPicMarking *ref_pic_marking =
+ &picture->dec_ref_pic_marking.ref_pic_marking[i];
+ GstH264Picture *to_mark;
+ gint pic_num_x;
+
+ switch (ref_pic_marking->memory_management_control_operation) {
+ case 0:
+ /* Normal end of operations' specification */
+ return TRUE;
+ case 1:
+ /* Mark a short term reference picture as unused so it can be removed
+ * if outputted */
+ pic_num_x =
+ picture->pic_num - (ref_pic_marking->difference_of_pic_nums_minus1 +
+ 1);
+ to_mark = gst_h264_dpb_get_short_ref_by_pic_num (priv->dpb, pic_num_x);
+ if (to_mark) {
+ to_mark->ref = FALSE;
+ gst_h264_picture_unref (to_mark);
+ } else {
+ GST_WARNING_OBJECT (self, "Invalid short term ref pic num to unmark");
+ return FALSE;
+ }
+ break;
+
+ case 2:
+ /* Mark a long term reference picture as unused so it can be removed
+ * if outputted */
+ to_mark = gst_h264_dpb_get_long_ref_by_pic_num (priv->dpb,
+ ref_pic_marking->long_term_pic_num);
+ if (to_mark) {
+ to_mark->ref = FALSE;
+ gst_h264_picture_unref (to_mark);
+ } else {
+ GST_WARNING_OBJECT (self, "Invalid long term ref pic num to unmark");
+ return FALSE;
+ }
+ break;
+
+ case 3:
+ /* Mark a short term reference picture as long term reference */
+ pic_num_x =
+ picture->pic_num - (ref_pic_marking->difference_of_pic_nums_minus1 +
+ 1);
+ to_mark = gst_h264_dpb_get_short_ref_by_pic_num (priv->dpb, pic_num_x);
+ if (to_mark) {
+ to_mark->long_term = TRUE;
+ to_mark->long_term_frame_idx = ref_pic_marking->long_term_frame_idx;
+ gst_h264_picture_unref (to_mark);
+ } else {
+ GST_WARNING_OBJECT (self,
+ "Invalid short term ref pic num to mark as long ref");
+ return FALSE;
+ }
+ break;
+
+ case 4:{
+ GList *long_terms = NULL;
+ GList *iter;
+
+ /* Unmark all reference pictures with long_term_frame_idx over new max */
+ priv->max_long_term_frame_idx =
+ ref_pic_marking->max_long_term_frame_idx_plus1 - 1;
+
+ gst_h264_dpb_get_pictures_long_term_ref (priv->dpb, &long_terms);
+
+ for (iter = long_terms; iter; iter = g_list_next (iter)) {
+ GstH264Picture *long_term_picture = (GstH264Picture *) iter->data;
+ if (long_term_picture->long_term_frame_idx >
+ priv->max_long_term_frame_idx)
+ long_term_picture->ref = FALSE;
+ }
+
+ if (long_terms)
+ g_list_free_full (long_terms,
+ (GDestroyNotify) gst_h264_picture_unref);
+ break;
+ }
+
+ case 5:
+ /* Unmark all reference pictures */
+ gst_h264_dpb_mark_all_non_ref (priv->dpb);
+ priv->max_long_term_frame_idx = -1;
+ picture->mem_mgmt_5 = TRUE;
+ break;
+
+ case 6:{
+ /* Replace long term reference pictures with current picture.
+ * First unmark if any existing with this long_term_frame_idx... */
+ GList *long_terms = NULL;
+ GList *iter;
+
+ gst_h264_dpb_get_pictures_long_term_ref (priv->dpb, &long_terms);
+
+ for (iter = long_terms; iter; iter = g_list_next (iter)) {
+ GstH264Picture *long_term_picture = (GstH264Picture *) iter->data;
+
+ if (long_term_picture->long_term_frame_idx ==
+ ref_pic_marking->long_term_frame_idx)
+ long_term_picture->ref = FALSE;
+ }
+
+ if (long_terms)
+ g_list_free_full (long_terms,
+ (GDestroyNotify) gst_h264_picture_unref);
+
+ /* and mark the current one instead */
+ picture->ref = TRUE;
+ picture->long_term = TRUE;
+ picture->long_term_frame_idx = ref_pic_marking->long_term_frame_idx;
+ break;
+ }
+
+ default:
+ g_assert_not_reached ();
+ break;
+ }
+ }
+
+ return TRUE;
+}
+
+static gboolean
+gst_h264_decoder_sliding_window_picture_marking (GstH264Decoder * self)
+{
+ GstH264DecoderPrivate *priv = self->priv;
+ const GstH264SPS *sps = priv->active_sps;
+ gint num_ref_pics;
+ gint max_num_ref_frames;
+
+ if (!sps) {
+ GST_ERROR_OBJECT (self, "No active sps");
+ return FALSE;
+ }
+
+ /* 8.2.5.3. Ensure the DPB doesn't overflow by discarding the oldest picture */
+ num_ref_pics = gst_h264_dpb_num_ref_pictures (priv->dpb);
+ max_num_ref_frames = MAX (1, sps->num_ref_frames);
+
+ if (num_ref_pics > max_num_ref_frames) {
+ GST_WARNING_OBJECT (self,
+ "num_ref_pics %d is larger than allowed maximum %d",
+ num_ref_pics, max_num_ref_frames);
+ return FALSE;
+ }
+
+ if (num_ref_pics == max_num_ref_frames) {
+ /* Max number of reference pics reached, need to remove one of the short
+ * term ones. Find smallest frame_num_wrap short reference picture and mark
+ * it as unused */
+ GstH264Picture *to_unmark =
+ gst_h264_dpb_get_lowest_frame_num_short_ref (priv->dpb);
+
+ if (!to_unmark) {
+ GST_WARNING_OBJECT (self, "Could not find a short ref picture to unmark");
+ return FALSE;
+ }
+
+ to_unmark->ref = FALSE;
+ gst_h264_picture_unref (to_unmark);
+ }
+
+ return TRUE;
+}
+
+/* This method ensures that DPB does not overflow, either by removing
+ * reference pictures as specified in the stream, or using a sliding window
+ * procedure to remove the oldest one.
+ * It also performs marking and unmarking pictures as reference.
+ * See spac 8.2.5.1 */
+static gboolean
+gst_h264_decoder_reference_picture_marking (GstH264Decoder * self,
+ GstH264Picture * picture)
+{
+ GstH264DecoderPrivate *priv = self->priv;
+
+ /* If the current picture is an IDR, all reference pictures are unmarked */
+ if (picture->idr) {
+ gst_h264_dpb_mark_all_non_ref (priv->dpb);
+
+ if (picture->dec_ref_pic_marking.long_term_reference_flag) {
+ picture->long_term = TRUE;
+ picture->long_term_frame_idx = 0;
+ priv->max_long_term_frame_idx = 0;
+ } else {
+ picture->long_term = FALSE;
+ priv->max_long_term_frame_idx = -1;
+ }
+
+ return TRUE;
+ }
+
+ /* Not an IDR. If the stream contains instructions on how to discard pictures
+ * from DPB and how to mark/unmark existing reference pictures, do so.
+ * Otherwise, fall back to default sliding window process */
+ if (picture->dec_ref_pic_marking.adaptive_ref_pic_marking_mode_flag) {
+ return gst_h264_decoder_handle_memory_management_opt (self, picture);
+ }
+
+ return gst_h264_decoder_sliding_window_picture_marking (self);
+}
+
+static gboolean
+gst_h264_decoder_finish_picture (GstH264Decoder * self,
+ GstH264Picture * picture)
+{
+ GstH264DecoderPrivate *priv = self->priv;
+ GList *not_outputted = NULL;
+ guint num_remaining;
+ GList *iter;
+#ifndef GST_DISABLE_GST_DEBUG
+ gint i;
+#endif
+
+ /* Finish processing the picture.
+ * Start by storing previous picture data for later use */
+ if (picture->ref) {
+ gst_h264_decoder_reference_picture_marking (self, picture);
+ priv->prev_ref_has_memmgmnt5 = picture->mem_mgmt_5;
+ priv->prev_ref_top_field_order_cnt = picture->top_field_order_cnt;
+ priv->prev_ref_pic_order_cnt_msb = picture->pic_order_cnt_msb;
+ priv->prev_ref_pic_order_cnt_lsb = picture->pic_order_cnt_lsb;
+ priv->prev_ref_field = picture->field;
+ priv->prev_ref_frame_num = picture->frame_num;
+ }
+
+ priv->prev_frame_num = picture->frame_num;
+ priv->prev_has_memmgmnt5 = picture->mem_mgmt_5;
+ priv->prev_frame_num_offset = picture->frame_num_offset;
+
+ /* Remove unused (for reference or later output) pictures from DPB, marking
+ * them as such */
+ gst_h264_dpb_delete_unused (priv->dpb);
+
+ GST_LOG_OBJECT (self,
+ "Finishing picture %p (frame_num %d, poc %d), entries in DPB %d",
+ picture, picture->frame_num, picture->pic_order_cnt,
+ gst_h264_dpb_get_size (priv->dpb));
+
+ /* The ownership of pic will either be transferred to DPB - if the picture is
+ * still needed (for output and/or reference) - or we will release it
+ * immediately if we manage to output it here and won't have to store it for
+ * future reference */
+
+ /* Get all pictures that haven't been outputted yet */
+ gst_h264_dpb_get_pictures_not_outputted (priv->dpb, ¬_outputted);
+ /* Include the one we've just decoded */
+ not_outputted = g_list_append (not_outputted, picture);
+
+ /* for debugging */
+#ifndef GST_DISABLE_GST_DEBUG
+ GST_TRACE_OBJECT (self, "Before sorting not outputted list");
+ i = 0;
+ for (iter = not_outputted; iter; iter = g_list_next (iter)) {
+ GstH264Picture *tmp = (GstH264Picture *) iter->data;
+
+ GST_TRACE_OBJECT (self,
+ "\t%dth picture %p (poc %d)", i, tmp, tmp->pic_order_cnt);
+ i++;
+ }
+#endif
+
+ /* Sort in output order */
+ not_outputted = g_list_sort (not_outputted, (GCompareFunc) poc_asc_compare);
+
+#ifndef GST_DISABLE_GST_DEBUG
+ GST_TRACE_OBJECT (self,
+ "After sorting not outputted list in poc ascending order");
+ i = 0;
+ for (iter = not_outputted; iter; iter = g_list_next (iter)) {
+ GstH264Picture *tmp = (GstH264Picture *) iter->data;
+
+ GST_TRACE_OBJECT (self,
+ "\t%dth picture %p (poc %d)", i, tmp, tmp->pic_order_cnt);
+ i++;
+ }
+#endif
+
+ /* Try to output as many pictures as we can. A picture can be output,
+ * if the number of decoded and not yet outputted pictures that would remain
+ * in DPB afterwards would at least be equal to max_num_reorder_frames.
+ * If the outputted picture is not a reference picture, it doesn't have
+ * to remain in the DPB and can be removed */
+ iter = not_outputted;
+ num_remaining = g_list_length (not_outputted);
+
+ while (num_remaining > priv->max_num_reorder_frames ||
+ /* If the condition below is used, this is an invalid stream. We should
+ * not be forced to output beyond max_num_reorder_frames in order to
+ * make room in DPB to store the current picture (if we need to do so).
+ * However, if this happens, ignore max_num_reorder_frames and try
+ * to output more. This may cause out-of-order output, but is not
+ * fatal, and better than failing instead */
+ ((gst_h264_dpb_is_full (priv->dpb) && (!picture->outputted
+ || picture->ref))
+ && num_remaining)) {
+ GstH264Picture *to_output = (GstH264Picture *) iter->data;
+
+ if (num_remaining <= priv->max_num_reorder_frames) {
+ GST_WARNING_OBJECT (self,
+ "Invalid stream, max_num_reorder_frames not preserved");
+ }
+
+ GST_LOG_OBJECT (self,
+ "Output picture %p (frame num %d)", to_output, to_output->frame_num);
+ gst_h264_decoder_do_output_picture (self, to_output);
+ if (!to_output->ref) {
+ /* Current picture hasn't been inserted into DPB yet, so don't remove it
+ * if we managed to output it immediately */
+ gint outputted_poc = to_output->pic_order_cnt;
+ if (outputted_poc != picture->pic_order_cnt)
+ gst_h264_dpb_delete_by_poc (priv->dpb, outputted_poc);
+ }
+
+ iter = g_list_next (iter);
+ num_remaining--;
+ }
+
+ /* If we haven't managed to output the picture that we just decoded, or if
+ * it's a reference picture, we have to store it in DPB */
+ if (!picture->outputted || picture->ref) {
+ if (gst_h264_dpb_is_full (priv->dpb)) {
+ /* If we haven't managed to output anything to free up space in DPB
+ * to store this picture, it's an error in the stream */
+ GST_WARNING_OBJECT (self, "Could not free up space in DPB");
+ return FALSE;
+ }
+
+ GST_TRACE_OBJECT (self,
+ "Put picture %p (outputted %d, ref %d, frame num %d, poc %d) to dpb",
+ picture, picture->outputted, picture->ref, picture->frame_num,
+ picture->pic_order_cnt);
+ gst_h264_dpb_add (priv->dpb, gst_h264_picture_ref (picture));
+ }
+
+ if (not_outputted)
+ g_list_free_full (not_outputted, (GDestroyNotify) gst_h264_picture_unref);
+
+ return TRUE;
+}
+
+static gboolean
+gst_h264_decoder_update_max_num_reorder_frames (GstH264Decoder * self,
+ GstH264SPS * sps)
+{
+ GstH264DecoderPrivate *priv = self->priv;
+
+ if (sps->vui_parameters_present_flag
+ && sps->vui_parameters.bitstream_restriction_flag) {
+ priv->max_num_reorder_frames = sps->vui_parameters.num_reorder_frames;
+ if (priv->max_num_reorder_frames >
+ gst_h264_dpb_get_max_num_pics (priv->dpb)) {
+ GST_WARNING
+ ("max_num_reorder_frames present, but larger than MaxDpbFrames (%d > %d)",
+ (gint) priv->max_num_reorder_frames,
+ gst_h264_dpb_get_max_num_pics (priv->dpb));
+
+ priv->max_num_reorder_frames = 0;
+ return FALSE;
+ }
+
+ return TRUE;
+ }
+
+ /* max_num_reorder_frames not present, infer from profile/constraints
+ * (see VUI semantics in spec) */
+ if (sps->constraint_set3_flag) {
+ switch (sps->profile_idc) {
+ case 44:
+ case 86:
+ case 100:
+ case 110:
+ case 122:
+ case 244:
+ priv->max_num_reorder_frames = 0;
+ break;
+ default:
+ priv->max_num_reorder_frames =
+ gst_h264_dpb_get_max_num_pics (priv->dpb);
+ break;
+ }
+ } else {
+ priv->max_num_reorder_frames = gst_h264_dpb_get_max_num_pics (priv->dpb);
+ }
+
+ return TRUE;
+}
+
+typedef enum
+{
+ GST_H264_LEVEL_L1 = 10,
+ GST_H264_LEVEL_L1B = 9,
+ GST_H264_LEVEL_L1_1 = 11,
+ GST_H264_LEVEL_L1_2 = 12,
+ GST_H264_LEVEL_L1_3 = 13,
+ GST_H264_LEVEL_L2_0 = 20,
+ GST_H264_LEVEL_L2_1 = 21,
+ GST_H264_LEVEL_L2_2 = 22,
+ GST_H264_LEVEL_L3 = 30,
+ GST_H264_LEVEL_L3_1 = 31,
+ GST_H264_LEVEL_L3_2 = 32,
+ GST_H264_LEVEL_L4 = 40,
+ GST_H264_LEVEL_L4_1 = 41,
+ GST_H264_LEVEL_L4_2 = 42,
+ GST_H264_LEVEL_L5 = 50,
+ GST_H264_LEVEL_L5_1 = 51,
+ GST_H264_LEVEL_L5_2 = 52,
+ GST_H264_LEVEL_L6 = 60,
+ GST_H264_LEVEL_L6_1 = 61,
+ GST_H264_LEVEL_L6_2 = 62,
+} GstD3D11H264Level;
+
+typedef struct
+{
+ GstD3D11H264Level level;
+
+ guint32 max_mbps;
+ guint32 max_fs;
+ guint32 max_dpb_mbs;
+ guint32 max_main_br;
+} LevelLimits;
+
+static const LevelLimits level_limits_map[] = {
+ {GST_H264_LEVEL_L1, 1485, 99, 396, 64},
+ {GST_H264_LEVEL_L1B, 1485, 99, 396, 128},
+ {GST_H264_LEVEL_L1_1, 3000, 396, 900, 192},
+ {GST_H264_LEVEL_L1_2, 6000, 396, 2376, 384},
+ {GST_H264_LEVEL_L1_3, 11800, 396, 2376, 768},
+ {GST_H264_LEVEL_L2_0, 11880, 396, 2376, 2000},
+ {GST_H264_LEVEL_L2_1, 19800, 792, 4752, 4000},
+ {GST_H264_LEVEL_L2_2, 20250, 1620, 8100, 4000},
+ {GST_H264_LEVEL_L3, 40500, 1620, 8100, 10000},
+ {GST_H264_LEVEL_L3_1, 108000, 3600, 18000, 14000},
+ {GST_H264_LEVEL_L3_2, 216000, 5120, 20480, 20000},
+ {GST_H264_LEVEL_L4, 245760, 8192, 32768, 20000},
+ {GST_H264_LEVEL_L4_1, 245760, 8192, 32768, 50000},
+ {GST_H264_LEVEL_L4_2, 522240, 8704, 34816, 50000},
+ {GST_H264_LEVEL_L5, 589824, 22080, 110400, 135000},
+ {GST_H264_LEVEL_L5_1, 983040, 36864, 184320, 240000},
+ {GST_H264_LEVEL_L5_2, 2073600, 36864, 184320, 240000},
+ {GST_H264_LEVEL_L6, 4177920, 139264, 696320, 240000},
+ {GST_H264_LEVEL_L6_1, 8355840, 139264, 696320, 480000},
+ {GST_H264_LEVEL_L6_2, 16711680, 139264, 696320, 800000}
+};
+
+static gint
+h264_level_to_max_dpb_mbs (GstD3D11H264Level level)
+{
+ gint i;
+ for (i = 0; i < G_N_ELEMENTS (level_limits_map); i++) {
+ if (level == level_limits_map[i].level)
+ return level_limits_map[i].max_dpb_mbs;
+ }
+
+ return 0;
+}
+
+static gboolean
+gst_h264_decoder_process_sps (GstH264Decoder * self, GstH264SPS * sps)
+{
+ GstH264DecoderPrivate *priv = self->priv;
+ guint8 level;
+ gint max_dpb_mbs;
+ gint width_mb, height_mb;
+ gint max_dpb_frames;
+ gint max_dpb_size;
+ gint prev_max_dpb_size;
+
+ if (sps->frame_mbs_only_flag == 0) {
+ GST_FIXME_OBJECT (self, "frame_mbs_only_flag != 1 not supported");
+ return FALSE;
+ }
+
+ /* Spec A.3.1 and A.3.2
+ * For Baseline, Constrained Baseline and Main profile, the indicated level is
+ * Level 1b if level_idc is equal to 11 and constraint_set3_flag is equal to 1
+ */
+ level = sps->level_idc;
+ if (level == 11 && (sps->profile_idc == 66 || sps->profile_idc == 77) &&
+ sps->constraint_set3_flag) {
+ /* Leel 1b */
+ level = 9;
+ }
+
+ max_dpb_mbs = h264_level_to_max_dpb_mbs ((GstD3D11H264Level) level);
+ if (!max_dpb_mbs)
+ return FALSE;
+
+ width_mb = sps->width / 16;
+ height_mb = sps->height / 16;
+
+ max_dpb_frames = MIN (max_dpb_mbs / (width_mb * height_mb),
+ GST_H264_DPB_MAX_SIZE);
+
+ max_dpb_size = MAX (max_dpb_frames,
+ MAX (sps->num_ref_frames, sps->vui_parameters.max_dec_frame_buffering));
+
+ prev_max_dpb_size = gst_h264_dpb_get_max_num_pics (priv->dpb);
+ if (priv->width != sps->width || priv->height != sps->height ||
+ prev_max_dpb_size != max_dpb_size) {
+ GstH264DecoderClass *klass = GST_H264_DECODER_GET_CLASS (self);
+
+ GST_DEBUG_OBJECT (self,
+ "SPS updated, resolution: %dx%d -> %dx%d, dpb size: %d -> %d",
+ priv->width, priv->height, sps->width, sps->height,
+ prev_max_dpb_size, max_dpb_size);
+
+ if (!gst_h264_decoder_flush (GST_VIDEO_DECODER (self)))
+ return FALSE;
+
+ g_assert (klass->new_sequence);
+
+ if (!klass->new_sequence (self, sps)) {
+ GST_ERROR_OBJECT (self, "subclass does not want accept new sequence");
+ return FALSE;
+ }
+
+ priv->width = sps->width;
+ priv->height = sps->height;
+
+ gst_h264_dpb_set_max_num_pics (priv->dpb, max_dpb_size);
+ }
+
+ GST_DEBUG_OBJECT (self, "Set DPB max size %d", max_dpb_size);
+
+ return gst_h264_decoder_update_max_num_reorder_frames (self, sps);
+}
+
+static gboolean
+gst_h264_decoder_init_gap_picture (GstH264Decoder * self,
+ GstH264Picture * picture, gint frame_num)
+{
+ picture->nonexisting = TRUE;
+ picture->nal_ref_idc = 1;
+ picture->frame_num = picture->pic_num = frame_num;
+ picture->dec_ref_pic_marking.adaptive_ref_pic_marking_mode_flag = FALSE;
+ picture->ref = TRUE;
+ picture->dec_ref_pic_marking.long_term_reference_flag = FALSE;
+ picture->field = GST_H264_PICTURE_FIELD_FRAME;
+
+ return gst_h264_decoder_calculate_poc (self, picture);
+}
+
+static gboolean
+gst_h264_decoder_decode_slice (GstH264Decoder * self)
+{
+ GstH264DecoderClass *klass = GST_H264_DECODER_GET_CLASS (self);
+ GstH264DecoderPrivate *priv = self->priv;
+ GstH264Slice *slice = &priv->current_slice;
+ GstH264Picture *picture = priv->current_picture;
+
+ if (!picture) {
+ GST_ERROR_OBJECT (self, "No current picture");
+ return FALSE;
+ }
+
+ if (slice->header.field_pic_flag == 0)
+ priv->max_pic_num = priv->max_frame_num;
+ else
+ priv->max_pic_num = 2 * priv->max_frame_num;
+
+ g_assert (klass->decode_slice);
+
+ return klass->decode_slice (self, picture, slice);
+}
--- /dev/null
+/* GStreamer
+ * Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __GST_H264_DECODER_H__
+#define __GST_H264_DECODER_H__
+
+#include <gst/gst.h>
+#include <gst/video/video.h>
+#include <gst/codecparsers/gsth264parser.h>
+#include "gsth264picture.h"
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_H264_DECODER (gst_h264_decoder_get_type())
+#define GST_H264_DECODER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_H264_DECODER,GstH264Decoder))
+#define GST_H264_DECODER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_H264_DECODER,GstH264DecoderClass))
+#define GST_H264_DECODER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_H264_DECODER,GstH264DecoderClass))
+#define GST_IS_H264_DECODER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_H264_DECODER))
+#define GST_IS_H264_DECODER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_H264_DECODER))
+#define GST_H264_DECODER_CAST(obj) ((GstH264Decoder*)obj)
+
+typedef struct _GstH264Decoder GstH264Decoder;
+typedef struct _GstH264DecoderClass GstH264DecoderClass;
+typedef struct _GstH264DecoderPrivate GstH264DecoderPrivate;
+
+/**
+ * GstH264Decoder:
+ *
+ * The opaque #GstH264Decoder data structure.
+ */
+struct _GstH264Decoder
+{
+ /*< private >*/
+ GstVideoDecoder parent;
+
+ /*< protected >*/
+ GstVideoCodecState * input_state;
+
+ /*< private >*/
+ GstH264DecoderPrivate *priv;
+ gpointer padding[GST_PADDING_LARGE];
+};
+
+/**
+ * GstH264DecoderClass:
+ * @new_sequence: Notifies subclass of SPS update
+ * @new_picture: Optional.
+ * Called whenever new #GstH264Picture is created.
+ * Subclass can set implementation specific user data
+ * on the #GstH264Picture via gst_h264_picture_set_user_data()
+ * @output_picture: Optional.
+ * Called just before gst_video_decoder_have_frame().
+ * Subclass should be prepared for handle_frame()
+ * @start_picture: Optional.
+ * Called per one #GstH264Picture to notify subclass to prepare
+ * decoding process for the #GstH264Picture
+ * @decode_slice: Provides per slice data with parsed slice header and
+ * required raw bitstream for subclass to decode it
+ * @end_picture: Optional.
+ * Called per one #GstH264Picture to notify subclass to finish
+ * decoding process for the #GstH264Picture
+ */
+struct _GstH264DecoderClass
+{
+ GstVideoDecoderClass parent_class;
+
+ gboolean (*new_sequence) (GstH264Decoder * decoder,
+ const GstH264SPS * sps);
+
+ gboolean (*new_picture) (GstH264Decoder * decoder,
+ GstH264Picture * picture);
+
+ GstFlowReturn (*output_picture) (GstH264Decoder * decoder,
+ GstH264Picture * picture);
+
+ gboolean (*start_picture) (GstH264Decoder * decoder,
+ GstH264Picture * picture,
+ GstH264Slice * slice,
+ GstH264Dpb * dpb);
+
+ gboolean (*decode_slice) (GstH264Decoder * decoder,
+ GstH264Picture * picture,
+ GstH264Slice * slice);
+
+ gboolean (*end_picture) (GstH264Decoder * decoder,
+ GstH264Picture * picture);
+
+ /*< private >*/
+ gpointer padding[GST_PADDING_LARGE];
+};
+
+GType gst_h264_decoder_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_H264_DECODER_H__ */
--- /dev/null
+/* GStreamer
+ * Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "gsth264picture.h"
+
+GST_DEBUG_CATEGORY_EXTERN (gst_d3d11_h264_dec_debug);
+#define GST_CAT_DEFAULT gst_d3d11_h264_dec_debug
+
+GST_DEFINE_MINI_OBJECT_TYPE (GstH264Picture, gst_h264_picture);
+
+static void
+_gst_h264_picture_free (GstH264Picture * picture)
+{
+ if (picture->notify)
+ picture->notify (picture->user_data);
+
+ g_free (picture);
+}
+
+/**
+ * gst_h264_picture_new:
+ *
+ * Create new #GstH264Picture
+ *
+ * Returns: a new #GstH264Picture
+ */
+GstH264Picture *
+gst_h264_picture_new (void)
+{
+ GstH264Picture *pic;
+
+ pic = g_new0 (GstH264Picture, 1);
+
+ pic->pts = GST_CLOCK_TIME_NONE;
+ pic->top_field_order_cnt = G_MAXINT32;
+ pic->bottom_field_order_cnt = G_MAXINT32;
+ pic->field = GST_H264_PICTURE_FIELD_FRAME;
+
+ gst_mini_object_init (GST_MINI_OBJECT_CAST (pic), 0,
+ GST_TYPE_H264_PICTURE, NULL, NULL,
+ (GstMiniObjectFreeFunction) _gst_h264_picture_free);
+
+ return pic;
+}
+
+/**
+ * gst_h264_picture_set_user_data:
+ * @picture: a #GstH264Picture
+ * @user_data: private data
+ * @notify: (closure user_data): a #GDestroyNotify
+ *
+ * Sets @user_data on the picture and the #GDestroyNotify that will be called when
+ * the picture is freed.
+ *
+ * If a @user_data was previously set, then the previous set @notify will be called
+ * before the @user_data is replaced.
+ */
+void
+gst_h264_picture_set_user_data (GstH264Picture * picture, gpointer user_data,
+ GDestroyNotify notify)
+{
+ g_return_if_fail (GST_IS_H264_PICTURE (picture));
+
+ if (picture->notify)
+ picture->notify (picture->user_data);
+
+ picture->user_data = user_data;
+ picture->notify = notify;
+}
+
+/**
+ * gst_h264_picture_get_user_data:
+ * @picture: a #GstH264Picture
+ *
+ * Gets private data set on the picture via
+ * gst_h264_picture_set_user_data() previously.
+ *
+ * Returns: (transfer none): The previously set user_data
+ */
+gpointer
+gst_h264_picture_get_user_data (GstH264Picture * picture)
+{
+ return picture->user_data;
+}
+
+struct _GstH264Dpb
+{
+ GArray *pic_list;
+ gint max_num_pics;
+};
+
+/**
+ * gst_h264_dpb_new:
+ *
+ * Create new #GstH264Dpb
+ *
+ * Returns: a new #GstH264Dpb
+ */
+GstH264Dpb *
+gst_h264_dpb_new (void)
+{
+ GstH264Dpb *dpb;
+
+ dpb = g_new0 (GstH264Dpb, 1);
+
+ dpb->pic_list =
+ g_array_sized_new (FALSE, TRUE, sizeof (GstH264Picture *),
+ GST_H264_DPB_MAX_SIZE);
+ g_array_set_clear_func (dpb->pic_list,
+ (GDestroyNotify) gst_h264_picture_clear);
+
+ return dpb;
+}
+
+/**
+ * gst_h264_dpb_set_max_num_pics:
+ * @dpb: a #GstH264Dpb
+ * @max_num_pics: the maximum number of picture
+ *
+ * Set the number of maximum allowed pictures to store
+ */
+void
+gst_h264_dpb_set_max_num_pics (GstH264Dpb * dpb, gint max_num_pics)
+{
+ g_return_if_fail (dpb != NULL);
+
+ dpb->max_num_pics = max_num_pics;
+}
+
+/**
+ * gst_h264_dpb_get_max_num_pics:
+ * @dpb: a #GstH264Dpb
+ *
+ * Returns: the number of maximum pictures
+ */
+gint
+gst_h264_dpb_get_max_num_pics (GstH264Dpb * dpb)
+{
+ g_return_val_if_fail (dpb != NULL, 0);
+
+ return dpb->max_num_pics;
+}
+
+/**
+ * gst_h264_dpb_free:
+ * @dpb: a #GstH264Dpb to free
+ *
+ * Free the @dpb
+ */
+void
+gst_h264_dpb_free (GstH264Dpb * dpb)
+{
+ g_return_if_fail (dpb != NULL);
+
+ gst_h264_dpb_clear (dpb);
+ g_free (dpb);
+}
+
+/**
+ * gst_h264_dpb_clear:
+ * @dpb: a #GstH264Dpb
+ *
+ * Clear all stored #GstH264Picture
+ */
+void
+gst_h264_dpb_clear (GstH264Dpb * dpb)
+{
+ g_return_if_fail (dpb != NULL);
+
+ g_array_set_size (dpb->pic_list, 0);
+}
+
+/**
+ * gst_h264_dpb_add:
+ * @dpb: a #GstH264Dpb
+ * @picture: (transfer full): a #GstH264Picture
+ *
+ * Store the @picture
+ */
+void
+gst_h264_dpb_add (GstH264Dpb * dpb, GstH264Picture * picture)
+{
+ g_return_if_fail (dpb != NULL);
+ g_return_if_fail (GST_IS_H264_PICTURE (picture));
+
+ g_array_append_val (dpb->pic_list, picture);
+}
+
+/**
+ * gst_h264_dpb_delete_unused:
+ * @dpb: a #GstH264Dpb
+ *
+ * Delete already outputted and not referenced all pictures from dpb
+ */
+void
+gst_h264_dpb_delete_unused (GstH264Dpb * dpb)
+{
+ gint i;
+
+ g_return_if_fail (dpb != NULL);
+
+ for (i = 0; i < dpb->pic_list->len; i++) {
+ GstH264Picture *picture =
+ g_array_index (dpb->pic_list, GstH264Picture *, i);
+
+ if (picture->outputted && !picture->ref) {
+ GST_TRACE ("remove picture %p (frame num %d) from dpb",
+ picture, picture->frame_num);
+ g_array_remove_index (dpb->pic_list, i);
+ i--;
+ }
+ }
+}
+
+/**
+ * gst_h264_dpb_delete_by_poc:
+ * @dpb: a #GstH264Dpb
+ * @poc: a poc of #GstH264Picture to remove
+ *
+ * Delete a #GstH264Dpb by @poc
+ */
+void
+gst_h264_dpb_delete_by_poc (GstH264Dpb * dpb, gint poc)
+{
+ gint i;
+
+ g_return_if_fail (dpb != NULL);
+
+ for (i = 0; i < dpb->pic_list->len; i++) {
+ GstH264Picture *picture =
+ g_array_index (dpb->pic_list, GstH264Picture *, i);
+
+ if (picture->pic_order_cnt == poc) {
+ g_array_remove_index (dpb->pic_list, i);
+ return;
+ }
+ }
+
+ GST_WARNING ("Couldn't find picture with poc %d", poc);
+}
+
+/**
+ * gst_h264_dpb_num_ref_pictures:
+ * @dpb: a #GstH264Dpb
+ *
+ * Returns: The number of referenced pictures
+ */
+gint
+gst_h264_dpb_num_ref_pictures (GstH264Dpb * dpb)
+{
+ gint i;
+ gint ret = 0;
+
+ g_return_val_if_fail (dpb != NULL, -1);
+
+ for (i = 0; i < dpb->pic_list->len; i++) {
+ GstH264Picture *picture =
+ g_array_index (dpb->pic_list, GstH264Picture *, i);
+
+ if (picture->ref)
+ ret++;
+ }
+
+ return ret;
+}
+
+/**
+ * gst_h264_dpb_mark_all_non_ref:
+ * @dpb: a #GstH264Dpb
+ *
+ * Mark all pictures are not referenced
+ */
+void
+gst_h264_dpb_mark_all_non_ref (GstH264Dpb * dpb)
+{
+ gint i;
+
+ g_return_if_fail (dpb != NULL);
+
+ for (i = 0; i < dpb->pic_list->len; i++) {
+ GstH264Picture *picture =
+ g_array_index (dpb->pic_list, GstH264Picture *, i);
+
+ picture->ref = FALSE;
+ }
+}
+
+/**
+ * gst_h264_dpb_get_short_ref_by_pic_num:
+ * @dpb: a #GstH264Dpb
+ * @pic_num: a picture number
+ *
+ * Find a short term reference picture which has matching picture number
+ *
+ * Returns: (nullable) (transfer full): a #GstH264Picture
+ */
+GstH264Picture *
+gst_h264_dpb_get_short_ref_by_pic_num (GstH264Dpb * dpb, gint pic_num)
+{
+ gint i;
+
+ g_return_val_if_fail (dpb != NULL, NULL);
+
+ for (i = 0; i < dpb->pic_list->len; i++) {
+ GstH264Picture *picture =
+ g_array_index (dpb->pic_list, GstH264Picture *, i);
+
+ if (picture->ref && !picture->long_term && picture->pic_num == pic_num)
+ return gst_h264_picture_ref (picture);
+ }
+
+ GST_WARNING ("No short term reference picture for %d", pic_num);
+
+ return NULL;
+}
+
+/**
+ * gst_h264_dpb_get_long_ref_by_pic_num:
+ * @dpb: a #GstH264Dpb
+ * @pic_num: a picture number
+ *
+ * Find a long term reference picture which has matching picture number
+ *
+ * Returns: (nullable) (transfer full): a #GstH264Picture
+ */
+GstH264Picture *
+gst_h264_dpb_get_long_ref_by_pic_num (GstH264Dpb * dpb, gint pic_num)
+{
+ gint i;
+
+ g_return_val_if_fail (dpb != NULL, NULL);
+
+ for (i = 0; i < dpb->pic_list->len; i++) {
+ GstH264Picture *picture =
+ g_array_index (dpb->pic_list, GstH264Picture *, i);
+
+ if (picture->ref && picture->long_term && picture->pic_num == pic_num)
+ return gst_h264_picture_ref (picture);
+ }
+
+ GST_WARNING ("No long term reference picture for %d", pic_num);
+
+ return NULL;
+}
+
+/**
+ * gst_h264_dpb_get_lowest_frame_num_short_ref:
+ * @dpb: a #GstH264Dpb
+ * @pic_num: a picture number
+ *
+ * Find a short term reference picture which has the lowest frame_num_wrap
+ *
+ * Returns: (transfer full): a #GstH264Picture
+ */
+GstH264Picture *
+gst_h264_dpb_get_lowest_frame_num_short_ref (GstH264Dpb * dpb)
+{
+ gint i;
+ GstH264Picture *ret = NULL;
+
+ g_return_val_if_fail (dpb != NULL, NULL);
+
+ for (i = 0; i < dpb->pic_list->len; i++) {
+ GstH264Picture *picture =
+ g_array_index (dpb->pic_list, GstH264Picture *, i);
+
+ if (picture->ref && !picture->long_term &&
+ (!ret || picture->frame_num_wrap < ret->frame_num_wrap))
+ ret = picture;
+ }
+
+ if (ret)
+ gst_h264_picture_ref (ret);
+
+ return ret;
+}
+
+/**
+ * gst_h264_dpb_get_pictures_not_outputted:
+ * @dpb: a #GstH264Dpb
+ * @out: (out): a list of #GstH264Dpb
+ *
+ * Retrieve all not-outputted pictures from @dpb
+ */
+void
+gst_h264_dpb_get_pictures_not_outputted (GstH264Dpb * dpb, GList ** out)
+{
+ gint i;
+
+ g_return_if_fail (dpb != NULL);
+ g_return_if_fail (out != NULL);
+
+ for (i = 0; i < dpb->pic_list->len; i++) {
+ GstH264Picture *picture =
+ g_array_index (dpb->pic_list, GstH264Picture *, i);
+
+ if (!picture->outputted)
+ *out = g_list_append (*out, gst_h264_picture_ref (picture));
+ }
+}
+
+/**
+ * gst_h264_dpb_get_pictures_short_term_ref:
+ * @dpb: a #GstH264Dpb
+ * @out: (out): a list of #GstH264Dpb
+ *
+ * Retrieve all short-term reference pictures from @dpb
+ */
+void
+gst_h264_dpb_get_pictures_short_term_ref (GstH264Dpb * dpb, GList ** out)
+{
+ gint i;
+
+ g_return_if_fail (dpb != NULL);
+ g_return_if_fail (out != NULL);
+
+ for (i = 0; i < dpb->pic_list->len; i++) {
+ GstH264Picture *picture =
+ g_array_index (dpb->pic_list, GstH264Picture *, i);
+
+ if (picture->ref && !picture->long_term)
+ *out = g_list_append (*out, gst_h264_picture_ref (picture));
+ }
+}
+
+/**
+ * gst_h264_dpb_get_pictures_long_term_ref:
+ * @dpb: a #GstH264Dpb
+ * @out: (out): a list of #GstH264Dpb
+ *
+ * Retrieve all long-term reference pictures from @dpb
+ */
+void
+gst_h264_dpb_get_pictures_long_term_ref (GstH264Dpb * dpb, GList ** out)
+{
+ gint i;
+
+ g_return_if_fail (dpb != NULL);
+ g_return_if_fail (out != NULL);
+
+ for (i = 0; i < dpb->pic_list->len; i++) {
+ GstH264Picture *picture =
+ g_array_index (dpb->pic_list, GstH264Picture *, i);
+
+ if (picture->ref && picture->long_term)
+ *out = g_list_append (*out, gst_h264_picture_ref (picture));
+ }
+}
+
+/**
+ * gst_h264_dpb_get_pictures_all:
+ * @dpb: a #GstH264Dpb
+ *
+ * Return: (transfer full): a #GArray of #GstH264Picture stored in @dpb
+ */
+GArray *
+gst_h264_dpb_get_pictures_all (GstH264Dpb * dpb)
+{
+ g_return_val_if_fail (dpb != NULL, NULL);
+
+ return g_array_ref (dpb->pic_list);
+}
+
+/**
+ * gst_h264_dpb_get_size:
+ * @dpb: a #GstH264Dpb
+ *
+ * Return: the length of stored dpb array
+ */
+gint
+gst_h264_dpb_get_size (GstH264Dpb * dpb)
+{
+ g_return_val_if_fail (dpb != NULL, -1);
+
+ return dpb->pic_list->len;
+}
+
+/**
+ * gst_h264_dpb_is_full:
+ * @dpb: a #GstH264Dpb
+ *
+ * Return: %TRUE if @dpb is full
+ */
+gboolean
+gst_h264_dpb_is_full (GstH264Dpb * dpb)
+{
+ g_return_val_if_fail (dpb != NULL, -1);
+
+ return dpb->pic_list->len >= dpb->max_num_pics;
+}
--- /dev/null
+/* GStreamer
+ * Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __GST_H264_PICTURE_H__
+#define __GST_H264_PICTURE_H__
+
+#include <gst/gst.h>
+#include <gst/codecparsers/gsth264parser.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_H264_PICTURE (gst_h264_picture_get_type())
+#define GST_IS_H264_PICTURE(obj) (GST_IS_MINI_OBJECT_TYPE(obj, GST_TYPE_H264_PICTURE))
+#define GST_H264_PICTURE(obj) ((GstH264Picture *)obj)
+#define GST_H264_PICTURE_CAST(obj) (GST_H264_PICTURE(obj))
+
+typedef struct _GstH264Slice GstH264Slice;
+typedef struct _GstH264Picture GstH264Picture;
+
+#define GST_H264_DPB_MAX_SIZE 32
+
+struct _GstH264Slice
+{
+ GstH264SliceHdr header;
+
+ /* parsed nal unit (doesn't take ownership of raw data) */
+ GstH264NalUnit nalu;
+};
+
+typedef enum
+{
+ GST_H264_PICTURE_FIELD_FRAME,
+ GST_H264_PICTURE_FILED_TOP_FIELD,
+ GST_H264_PICTURE_FIELD_BOTTOM_FIELD,
+} GstH264PictureField;
+
+struct _GstH264Picture
+{
+ GstMiniObject parent;
+
+ GstH264SliceType type;
+
+ GstClockTime pts;
+
+ guint8 pic_order_cnt_type; /* SPS */
+ gint32 top_field_order_cnt;
+ gint32 bottom_field_order_cnt;
+
+ gint pic_order_cnt;
+ gint pic_order_cnt_msb;
+ gint pic_order_cnt_lsb;
+ gint delta_pic_order_cnt_bottom;
+ gint delta_pic_order_cnt0;
+ gint delta_pic_order_cnt1;
+
+ gint pic_num;
+ gint long_term_pic_num;
+ gint frame_num;
+ gint frame_num_offset;
+ gint frame_num_wrap;
+ gint long_term_frame_idx;
+
+ gint nal_ref_idc;
+ gboolean idr;
+ gint idr_pic_id;
+ gboolean ref;
+ gboolean long_term;
+ gboolean outputted;
+ gboolean mem_mgmt_5;
+
+ gboolean nonexisting;
+
+ GstH264PictureField field;
+
+ GstH264DecRefPicMarking dec_ref_pic_marking;
+
+ gpointer user_data;
+ GDestroyNotify notify;
+};
+
+G_GNUC_INTERNAL
+GType gst_h264_picture_get_type (void);
+
+G_GNUC_INTERNAL
+GstH264Picture * gst_h264_picture_new (void);
+
+G_GNUC_INTERNAL
+static inline GstH264Picture *
+gst_h264_picture_ref (GstH264Picture * picture)
+{
+ return (GstH264Picture *) gst_mini_object_ref (GST_MINI_OBJECT_CAST (picture));
+}
+
+G_GNUC_INTERNAL
+static inline void
+gst_h264_picture_unref (GstH264Picture * picture)
+{
+ gst_mini_object_unref (GST_MINI_OBJECT_CAST (picture));
+}
+
+G_GNUC_INTERNAL
+static inline gboolean
+gst_h264_picture_replace (GstH264Picture ** old_picture,
+ GstH264Picture * new_picture)
+{
+ return gst_mini_object_replace ((GstMiniObject **) old_picture,
+ (GstMiniObject *) new_picture);
+}
+
+G_GNUC_INTERNAL
+static inline void
+gst_h264_picture_clear (GstH264Picture ** picture)
+{
+ if (picture && *picture) {
+ gst_h264_picture_unref (*picture);
+ *picture = NULL;
+ }
+}
+
+G_GNUC_INTERNAL
+void gst_h264_picture_set_user_data (GstH264Picture * picture,
+ gpointer user_data,
+ GDestroyNotify notify);
+
+G_GNUC_INTERNAL
+gpointer gst_h264_picture_get_user_data (GstH264Picture * picture);
+
+/*******************
+ * GstH264Dpb *
+ *******************/
+typedef struct _GstH264Dpb GstH264Dpb;
+
+G_GNUC_INTERNAL
+GstH264Dpb * gst_h264_dpb_new (void);
+
+G_GNUC_INTERNAL
+void gst_h264_dpb_set_max_num_pics (GstH264Dpb * dpb,
+ gint max_num_pics);
+
+G_GNUC_INTERNAL
+gint gst_h264_dpb_get_max_num_pics (GstH264Dpb * dpb);
+
+G_GNUC_INTERNAL
+void gst_h264_dpb_free (GstH264Dpb * dpb);
+
+G_GNUC_INTERNAL
+void gst_h264_dpb_clear (GstH264Dpb * dpb);
+
+G_GNUC_INTERNAL
+void gst_h264_dpb_add (GstH264Dpb * dpb,
+ GstH264Picture * picture);
+
+G_GNUC_INTERNAL
+void gst_h264_dpb_delete_unused (GstH264Dpb * dpb);
+
+G_GNUC_INTERNAL
+void gst_h264_dpb_delete_by_poc (GstH264Dpb * dpb,
+ gint poc);
+
+G_GNUC_INTERNAL
+gint gst_h264_dpb_num_ref_pictures (GstH264Dpb * dpb);
+
+G_GNUC_INTERNAL
+void gst_h264_dpb_mark_all_non_ref (GstH264Dpb * dpb);
+
+G_GNUC_INTERNAL
+GstH264Picture * gst_h264_dpb_get_short_ref_by_pic_num (GstH264Dpb * dpb,
+ gint pic_num);
+
+G_GNUC_INTERNAL
+GstH264Picture * gst_h264_dpb_get_long_ref_by_pic_num (GstH264Dpb * dpb,
+ gint pic_num);
+
+G_GNUC_INTERNAL
+GstH264Picture * gst_h264_dpb_get_lowest_frame_num_short_ref (GstH264Dpb * dpb);
+
+G_GNUC_INTERNAL
+void gst_h264_dpb_get_pictures_not_outputted (GstH264Dpb * dpb,
+ GList ** out);
+
+G_GNUC_INTERNAL
+void gst_h264_dpb_get_pictures_short_term_ref (GstH264Dpb * dpb,
+ GList ** out);
+
+G_GNUC_INTERNAL
+void gst_h264_dpb_get_pictures_long_term_ref (GstH264Dpb * dpb,
+ GList ** out);
+
+G_GNUC_INTERNAL
+GArray * gst_h264_dpb_get_pictures_all (GstH264Dpb * dpb);
+
+G_GNUC_INTERNAL
+gint gst_h264_dpb_get_size (GstH264Dpb * dpb);
+
+G_GNUC_INTERNAL
+gboolean gst_h264_dpb_is_full (GstH264Dpb * dpb);
+
+G_END_DECLS
+
+#endif /* __GST_H264_PICTURE_H__ */
'gstd3d11overlaycompositor.c',
]
+d3d11_dec_sources = [
+ 'gsth264picture.c',
+ 'gsth264decoder.c',
+ 'gstd3d11decoder.c',
+ 'gstd3d11h264dec.c',
+]
+
dxgi_headers = [
['dxgi1_6.h', 6],
['dxgi1_5.h', 5],
d3d11_conf.set10('HAVE_D3D11SDKLAYERS_H', have_d3d11sdk_h)
d3d11_conf.set10('HAVE_DXGIDEBUG_H', have_dxgidebug_h)
+# d3d11 video api uses dxva structure for decoding, and dxva.h needs d3d9 types
+if cc.has_header('dxva.h') and cc.has_header('d3d9.h')
+ d3d11_conf.set('HAVE_DXVA_H', 1)
+ d3d11_sources += d3d11_dec_sources
+ extra_c_args += ['-DGST_USE_UNSTABLE_API']
+ extra_dep += [gstcodecparsers_dep]
+endif
+
configure_file(
output: 'd3d11config.h',
configuration: d3d11_conf,
#include "gstd3d11download.h"
#include "gstd3d11colorconvert.h"
#include "gstd3d11videosinkbin.h"
+#ifdef HAVE_DXVA_H
+#include "gstd3d11utils.h"
+#include "gstd3d11h264dec.h"
+#endif
GST_DEBUG_CATEGORY (gst_d3d11_shader_debug);
GST_DEBUG_CATEGORY (gst_d3d11_colorconverter_debug);
GST_DEBUG_CATEGORY (gst_d3d11_debug_layer_debug);
#endif
+#ifdef HAVE_DXVA_H
+GST_DEBUG_CATEGORY (gst_d3d11_h264_dec_debug);
+#endif
+
static gboolean
plugin_init (GstPlugin * plugin)
{
gst_element_register (plugin,
"d3d11videosink", GST_RANK_SECONDARY - 1, GST_TYPE_D3D11_VIDEO_SINK_BIN);
+#ifdef HAVE_DXVA_H
+ /* DXVA2 API is availble since Windows 8 */
+ if (gst_d3d11_is_windows_8_or_greater ()) {
+ GST_DEBUG_CATEGORY_INIT (gst_d3d11_h264_dec_debug,
+ "d3d11h264dec", 0, "Direct3D11 H.264 Video Decoder");
+
+ gst_element_register (plugin,
+ "d3d11h264dec", GST_RANK_SECONDARY, GST_TYPE_D3D11_H264_DEC);
+ }
+#endif
+
return TRUE;
}
projects / platform / upstream / gstreamer.git / commitdiff