--- /dev/null
+/* GStreamer
+ * Copyright (C) 2020 Seungha Yang <seungha@centricular.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 "gstd3d11vp8dec.h"
+#include "gstd3d11memory.h"
+#include "gstd3d11bufferpool.h"
+
+#include <gst/codecs/gstvp8decoder.h>
+#include <string.h>
+
+/* HACK: to expose dxva data structure on UWP */
+#ifdef WINAPI_PARTITION_DESKTOP
+#undef WINAPI_PARTITION_DESKTOP
+#endif
+#define WINAPI_PARTITION_DESKTOP 1
+#include <d3d9.h>
+#include <dxva.h>
+
+GST_DEBUG_CATEGORY_EXTERN (gst_d3d11_vp8_dec_debug);
+#define GST_CAT_DEFAULT gst_d3d11_vp8_dec_debug
+
+enum
+{
+ PROP_0,
+ PROP_ADAPTER,
+ PROP_DEVICE_ID,
+ PROP_VENDOR_ID,
+};
+
+/* copied from d3d11.h since mingw header doesn't define them */
+DEFINE_GUID (GST_GUID_D3D11_DECODER_PROFILE_VP8_VLD,
+ 0x90b899ea, 0x3a62, 0x4705, 0x88, 0xb3, 0x8d, 0xf0, 0x4b, 0x27, 0x44, 0xe7);
+
+/* reference list 4 + 4 margin */
+#define NUM_OUTPUT_VIEW 8
+
+typedef struct _GstD3D11Vp8Dec
+{
+ GstVp8Decoder parent;
+
+ GstVideoCodecState *output_state;
+ GstD3D11Device *device;
+ GstD3D11Decoder *d3d11_decoder;
+
+ guint width, height;
+ GstVideoFormat out_format;
+
+ gboolean use_d3d11_output;
+} GstD3D11Vp8Dec;
+
+typedef struct _GstD3D11Vp8DecClass
+{
+ GstVp8DecoderClass parent_class;
+ guint adapter;
+ guint device_id;
+ guint vendor_id;
+} GstD3D11Vp8DecClass;
+
+static GstElementClass *parent_class = NULL;
+
+#define GST_D3D11_VP8_DEC(object) ((GstD3D11Vp8Dec *) (object))
+#define GST_D3D11_VP8_DEC_GET_CLASS(object) \
+ (G_TYPE_INSTANCE_GET_CLASS ((object),G_TYPE_FROM_INSTANCE (object),GstD3D11Vp8DecClass))
+
+static void gst_d3d11_vp8_dec_get_property (GObject * object,
+ guint prop_id, GValue * value, GParamSpec * pspec);
+static void gst_d3d11_vp8_dec_set_context (GstElement * element,
+ GstContext * context);
+
+static gboolean gst_d3d11_vp8_dec_open (GstVideoDecoder * decoder);
+static gboolean gst_d3d11_vp8_dec_close (GstVideoDecoder * decoder);
+static gboolean gst_d3d11_vp8_dec_negotiate (GstVideoDecoder * decoder);
+static gboolean gst_d3d11_vp8_dec_decide_allocation (GstVideoDecoder *
+ decoder, GstQuery * query);
+static gboolean gst_d3d11_vp8_dec_src_query (GstVideoDecoder * decoder,
+ GstQuery * query);
+
+/* GstVp8Decoder */
+static gboolean gst_d3d11_vp8_dec_new_sequence (GstVp8Decoder * decoder,
+ const GstVp8FrameHdr * frame_hdr);
+static gboolean gst_d3d11_vp8_dec_new_picture (GstVp8Decoder * decoder,
+ GstVp8Picture * picture);
+static GstFlowReturn gst_d3d11_vp8_dec_output_picture (GstVp8Decoder *
+ decoder, GstVp8Picture * picture);
+static gboolean gst_d3d11_vp8_dec_start_picture (GstVp8Decoder * decoder,
+ GstVp8Picture * picture);
+static gboolean gst_d3d11_vp8_dec_decode_picture (GstVp8Decoder * decoder,
+ GstVp8Picture * picture, GstVp8Parser * parser);
+static gboolean gst_d3d11_vp8_dec_end_picture (GstVp8Decoder * decoder,
+ GstVp8Picture * picture);
+
+static void
+gst_d3d11_vp8_dec_class_init (GstD3D11Vp8DecClass * klass, gpointer data)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+ GstVideoDecoderClass *decoder_class = GST_VIDEO_DECODER_CLASS (klass);
+ GstVp8DecoderClass *vp8decoder_class = GST_VP8_DECODER_CLASS (klass);
+ GstD3D11DecoderClassData *cdata = (GstD3D11DecoderClassData *) data;
+ gchar *long_name;
+
+ gobject_class->get_property = gst_d3d11_vp8_dec_get_property;
+
+ g_object_class_install_property (gobject_class, PROP_ADAPTER,
+ g_param_spec_uint ("adapter", "Adapter",
+ "DXGI Adapter index for creating device",
+ 0, G_MAXUINT32, cdata->adapter,
+ G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property (gobject_class, PROP_DEVICE_ID,
+ g_param_spec_uint ("device-id", "Device Id",
+ "DXGI Device ID", 0, G_MAXUINT32, 0,
+ G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property (gobject_class, PROP_VENDOR_ID,
+ g_param_spec_uint ("vendor-id", "Vendor Id",
+ "DXGI Vendor ID", 0, G_MAXUINT32, 0,
+ G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
+
+ parent_class = g_type_class_peek_parent (klass);
+
+ klass->adapter = cdata->adapter;
+ klass->device_id = cdata->device_id;
+ klass->vendor_id = cdata->vendor_id;
+
+ element_class->set_context =
+ GST_DEBUG_FUNCPTR (gst_d3d11_vp8_dec_set_context);
+
+ long_name = g_strdup_printf ("Direct3D11 VP8 %s Decoder", cdata->description);
+ gst_element_class_set_metadata (element_class, long_name,
+ "Codec/Decoder/Video/Hardware",
+ "A Direct3D11 based VP8 video decoder",
+ "Seungha Yang <seungha.yang@navercorp.com>");
+ g_free (long_name);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
+ cdata->sink_caps));
+ gst_element_class_add_pad_template (element_class,
+ gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
+ cdata->src_caps));
+ gst_d3d11_decoder_class_data_free (cdata);
+
+ decoder_class->open = GST_DEBUG_FUNCPTR (gst_d3d11_vp8_dec_open);
+ decoder_class->close = GST_DEBUG_FUNCPTR (gst_d3d11_vp8_dec_close);
+ decoder_class->negotiate = GST_DEBUG_FUNCPTR (gst_d3d11_vp8_dec_negotiate);
+ decoder_class->decide_allocation =
+ GST_DEBUG_FUNCPTR (gst_d3d11_vp8_dec_decide_allocation);
+ decoder_class->src_query = GST_DEBUG_FUNCPTR (gst_d3d11_vp8_dec_src_query);
+
+ vp8decoder_class->new_sequence =
+ GST_DEBUG_FUNCPTR (gst_d3d11_vp8_dec_new_sequence);
+ vp8decoder_class->new_picture =
+ GST_DEBUG_FUNCPTR (gst_d3d11_vp8_dec_new_picture);
+ vp8decoder_class->output_picture =
+ GST_DEBUG_FUNCPTR (gst_d3d11_vp8_dec_output_picture);
+ vp8decoder_class->start_picture =
+ GST_DEBUG_FUNCPTR (gst_d3d11_vp8_dec_start_picture);
+ vp8decoder_class->decode_picture =
+ GST_DEBUG_FUNCPTR (gst_d3d11_vp8_dec_decode_picture);
+ vp8decoder_class->end_picture =
+ GST_DEBUG_FUNCPTR (gst_d3d11_vp8_dec_end_picture);
+}
+
+static void
+gst_d3d11_vp8_dec_init (GstD3D11Vp8Dec * self)
+{
+}
+
+static void
+gst_d3d11_vp8_dec_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
+{
+ GstD3D11Vp8DecClass *klass = GST_D3D11_VP8_DEC_GET_CLASS (object);
+
+ switch (prop_id) {
+ case PROP_ADAPTER:
+ g_value_set_uint (value, klass->adapter);
+ break;
+ case PROP_DEVICE_ID:
+ g_value_set_uint (value, klass->device_id);
+ break;
+ case PROP_VENDOR_ID:
+ g_value_set_uint (value, klass->vendor_id);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_d3d11_vp8_dec_set_context (GstElement * element, GstContext * context)
+{
+ GstD3D11Vp8Dec *self = GST_D3D11_VP8_DEC (element);
+ GstD3D11Vp8DecClass *klass = GST_D3D11_VP8_DEC_GET_CLASS (self);
+
+ gst_d3d11_handle_set_context (element, context, klass->adapter,
+ &self->device);
+
+ GST_ELEMENT_CLASS (parent_class)->set_context (element, context);
+}
+
+static gboolean
+gst_d3d11_vp8_dec_open (GstVideoDecoder * decoder)
+{
+ GstD3D11Vp8Dec *self = GST_D3D11_VP8_DEC (decoder);
+ GstD3D11Vp8DecClass *klass = GST_D3D11_VP8_DEC_GET_CLASS (self);
+
+ if (!gst_d3d11_ensure_element_data (GST_ELEMENT_CAST (self), klass->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_vp8_dec_close (GstVideoDecoder * decoder)
+{
+ GstD3D11Vp8Dec *self = GST_D3D11_VP8_DEC (decoder);
+
+ gst_clear_object (&self->d3d11_decoder);
+ gst_clear_object (&self->device);
+
+ return TRUE;
+}
+
+static gboolean
+gst_d3d11_vp8_dec_negotiate (GstVideoDecoder * decoder)
+{
+ GstD3D11Vp8Dec *self = GST_D3D11_VP8_DEC (decoder);
+ GstVp8Decoder *vp8dec = GST_VP8_DECODER (decoder);
+
+ if (!gst_d3d11_decoder_negotiate (decoder, vp8dec->input_state,
+ self->out_format, self->width, self->height, &self->output_state,
+ &self->use_d3d11_output))
+ return FALSE;
+
+ return GST_VIDEO_DECODER_CLASS (parent_class)->negotiate (decoder);
+}
+
+static gboolean
+gst_d3d11_vp8_dec_decide_allocation (GstVideoDecoder * decoder,
+ GstQuery * query)
+{
+ GstD3D11Vp8Dec *self = GST_D3D11_VP8_DEC (decoder);
+
+ if (!gst_d3d11_decoder_decide_allocation (decoder, query, self->device,
+ GST_D3D11_CODEC_VP8, self->use_d3d11_output))
+ return FALSE;
+
+ return GST_VIDEO_DECODER_CLASS (parent_class)->decide_allocation
+ (decoder, query);
+}
+
+static gboolean
+gst_d3d11_vp8_dec_src_query (GstVideoDecoder * decoder, GstQuery * query)
+{
+ GstD3D11Vp8Dec *self = GST_D3D11_VP8_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_vp8_dec_new_sequence (GstVp8Decoder * decoder,
+ const GstVp8FrameHdr * frame_hdr)
+{
+ GstD3D11Vp8Dec *self = GST_D3D11_VP8_DEC (decoder);
+ static const GUID *profile_guid = &GST_GUID_D3D11_DECODER_PROFILE_VP8_VLD;
+ GstVideoInfo info;
+
+ GST_LOG_OBJECT (self, "new sequence");
+
+ /* FIXME: support I420 */
+ self->out_format = GST_VIDEO_FORMAT_NV12;
+ self->width = frame_hdr->width;
+ self->height = frame_hdr->height;
+
+ gst_video_info_set_format (&info,
+ self->out_format, self->width, self->height);
+
+ gst_d3d11_decoder_reset (self->d3d11_decoder);
+ if (!gst_d3d11_decoder_open (self->d3d11_decoder, GST_D3D11_CODEC_VP8,
+ &info, self->width, self->height,
+ NUM_OUTPUT_VIEW, &profile_guid, 1)) {
+ 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_vp8_dec_new_picture (GstVp8Decoder * decoder, GstVp8Picture * picture)
+{
+ GstD3D11Vp8Dec *self = GST_D3D11_VP8_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_vp8_picture_set_user_data (picture,
+ view_buffer, (GDestroyNotify) gst_buffer_unref);
+
+ GST_LOG_OBJECT (self, "New VP8 picture %p", picture);
+
+ return TRUE;
+}
+
+static GstFlowReturn
+gst_d3d11_vp8_dec_output_picture (GstVp8Decoder * decoder,
+ GstVp8Picture * picture)
+{
+ GstD3D11Vp8Dec *self = GST_D3D11_VP8_DEC (decoder);
+ GstVideoCodecFrame *frame = NULL;
+ GstBuffer *output_buffer = NULL;
+ GstBuffer *view_buffer;
+
+ GST_LOG_OBJECT (self, "Outputting picture %p", picture);
+
+ view_buffer = (GstBuffer *) gst_vp8_picture_get_user_data (picture);
+
+ if (!view_buffer) {
+ GST_ERROR_OBJECT (self, "Could not get output view");
+ return FALSE;
+ }
+
+ frame = gst_video_decoder_get_frame (GST_VIDEO_DECODER (self),
+ picture->system_frame_number);
+
+ if (!frame) {
+ GST_ERROR_OBJECT (self,
+ "No frame corresponding to system frame number %d",
+ picture->system_frame_number);
+
+ return GST_FLOW_ERROR;
+ }
+
+ if (!picture->frame_hdr.show_frame) {
+ GST_LOG_OBJECT (self, "Decode only picture %p", picture);
+ GST_VIDEO_CODEC_FRAME_SET_DECODE_ONLY (frame);
+
+ return gst_video_decoder_finish_frame (GST_VIDEO_DECODER (self), frame);
+ }
+
+ /* if downstream is d3d11 element and forward playback case,
+ * expose our decoder view without copy. In case of reverse playback, however,
+ * we cannot do that since baseclass will store the decoded buffer
+ * up to gop size but our dpb pool cannot be increased */
+ if (self->use_d3d11_output &&
+ GST_VIDEO_DECODER (self)->input_segment.rate > 0) {
+ GstMemory *mem;
+
+ output_buffer = gst_buffer_ref (view_buffer);
+ mem = gst_buffer_peek_memory (output_buffer, 0);
+ GST_MINI_OBJECT_FLAG_SET (mem, GST_D3D11_MEMORY_TRANSFER_NEED_DOWNLOAD);
+ } else {
+ 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;
+ }
+
+ frame->output_buffer = output_buffer;
+
+ if (!gst_d3d11_decoder_process_output (self->d3d11_decoder,
+ &self->output_state->info,
+ picture->frame_hdr.width, picture->frame_hdr.height,
+ view_buffer, output_buffer)) {
+ GST_ERROR_OBJECT (self, "Failed to copy buffer");
+ gst_video_decoder_drop_frame (GST_VIDEO_DECODER (self), frame);
+
+ return GST_FLOW_ERROR;
+ }
+
+ GST_LOG_OBJECT (self, "Finish frame %" GST_TIME_FORMAT,
+ GST_TIME_ARGS (GST_BUFFER_PTS (output_buffer)));
+
+ return gst_video_decoder_finish_frame (GST_VIDEO_DECODER (self), frame);
+}
+
+static GstD3D11DecoderOutputView *
+gst_d3d11_vp8_dec_get_output_view_from_picture (GstD3D11Vp8Dec * self,
+ GstVp8Picture * picture)
+{
+ GstBuffer *view_buffer;
+ GstD3D11DecoderOutputView *view;
+
+ view_buffer = (GstBuffer *) gst_vp8_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_vp8_dec_start_picture (GstVp8Decoder * decoder,
+ GstVp8Picture * picture)
+{
+ GstD3D11Vp8Dec *self = GST_D3D11_VP8_DEC (decoder);
+ GstD3D11DecoderOutputView *view;
+
+ view = gst_d3d11_vp8_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;
+ }
+
+ return TRUE;
+}
+
+static void
+gst_d3d11_vp8_dec_copy_frame_params (GstD3D11Vp8Dec * self,
+ GstVp8Picture * picture, GstVp8Parser * parser, DXVA_PicParams_VP8 * params)
+{
+ const GstVp8FrameHdr *frame_hdr = &picture->frame_hdr;
+ gint i;
+
+ /* 0: keyframe, 1: inter */
+ params->frame_type = !frame_hdr->key_frame;
+ params->version = frame_hdr->version;
+ params->show_frame = frame_hdr->show_frame;
+ params->clamp_type = frame_hdr->clamping_type;
+
+ params->filter_type = frame_hdr->filter_type;
+ params->filter_level = frame_hdr->loop_filter_level;
+ params->sharpness_level = frame_hdr->sharpness_level;
+ params->mode_ref_lf_delta_enabled =
+ parser->mb_lf_adjust.loop_filter_adj_enable;
+ params->mode_ref_lf_delta_update =
+ parser->mb_lf_adjust.mode_ref_lf_delta_update;
+ for (i = 0; i < 4; i++) {
+ params->ref_lf_deltas[i] = parser->mb_lf_adjust.ref_frame_delta[i];
+ params->mode_lf_deltas[i] = parser->mb_lf_adjust.mb_mode_delta[i];
+ }
+ params->log2_nbr_of_dct_partitions = frame_hdr->log2_nbr_of_dct_partitions;
+ params->base_qindex = frame_hdr->quant_indices.y_ac_qi;
+ params->y1dc_delta_q = frame_hdr->quant_indices.y_dc_delta;
+ params->y2dc_delta_q = frame_hdr->quant_indices.y2_dc_delta;
+ params->y2ac_delta_q = frame_hdr->quant_indices.y2_ac_delta;
+ params->uvdc_delta_q = frame_hdr->quant_indices.uv_dc_delta;
+ params->uvac_delta_q = frame_hdr->quant_indices.uv_ac_delta;
+
+ params->ref_frame_sign_bias_golden = frame_hdr->sign_bias_golden;
+ params->ref_frame_sign_bias_altref = frame_hdr->sign_bias_alternate;
+
+ params->refresh_entropy_probs = frame_hdr->refresh_entropy_probs;
+
+ memcpy (params->vp8_coef_update_probs, frame_hdr->token_probs.prob,
+ sizeof (frame_hdr->token_probs.prob));
+
+ params->mb_no_coeff_skip = frame_hdr->mb_no_skip_coeff;
+ params->prob_skip_false = frame_hdr->prob_skip_false;
+ params->prob_intra = frame_hdr->prob_intra;
+ params->prob_last = frame_hdr->prob_last;
+ params->prob_golden = frame_hdr->prob_gf;
+
+ memcpy (params->intra_16x16_prob, frame_hdr->mode_probs.y_prob,
+ sizeof (frame_hdr->mode_probs.y_prob));
+ memcpy (params->intra_chroma_prob, frame_hdr->mode_probs.uv_prob,
+ sizeof (frame_hdr->mode_probs.uv_prob));
+ memcpy (params->vp8_mv_update_probs, frame_hdr->mv_probs.prob,
+ sizeof (frame_hdr->mv_probs.prob));
+}
+
+static void
+gst_d3d11_vp8_dec_copy_reference_frames (GstD3D11Vp8Dec * self,
+ GstVp8Picture * picture, DXVA_PicParams_VP8 * params)
+{
+ GstVp8Decoder *decoder = GST_VP8_DECODER (self);
+ GstD3D11DecoderOutputView *view;
+
+ if (decoder->alt_ref_picture) {
+ view = gst_d3d11_vp8_dec_get_output_view_from_picture (self,
+ decoder->alt_ref_picture);
+ if (!view) {
+ GST_ERROR_OBJECT (self, "picture does not have output view handle");
+ return;
+ }
+
+ params->alt_fb_idx.Index7Bits = view->view_id;
+ } else {
+ params->alt_fb_idx.bPicEntry = 0xff;
+ }
+
+ if (decoder->golden_ref_picture) {
+ view = gst_d3d11_vp8_dec_get_output_view_from_picture (self,
+ decoder->golden_ref_picture);
+ if (!view) {
+ GST_ERROR_OBJECT (self, "picture does not have output view handle");
+ return;
+ }
+
+ params->gld_fb_idx.Index7Bits = view->view_id;
+ } else {
+ params->gld_fb_idx.bPicEntry = 0xff;
+ }
+
+ if (decoder->last_picture) {
+ view = gst_d3d11_vp8_dec_get_output_view_from_picture (self,
+ decoder->last_picture);
+ if (!view) {
+ GST_ERROR_OBJECT (self, "picture does not have output view handle");
+ return;
+ }
+
+ params->lst_fb_idx.Index7Bits = view->view_id;
+ } else {
+ params->lst_fb_idx.bPicEntry = 0xff;
+ }
+}
+
+static void
+gst_d3d11_vp8_dec_copy_segmentation_params (GstD3D11Vp8Dec * self,
+ GstVp8Picture * picture, GstVp8Parser * parser, DXVA_PicParams_VP8 * params)
+{
+ const GstVp8Segmentation *seg = &parser->segmentation;
+ gint i;
+
+ params->stVP8Segments.segmentation_enabled = seg->segmentation_enabled;
+ params->stVP8Segments.update_mb_segmentation_map =
+ seg->update_mb_segmentation_map;
+ params->stVP8Segments.update_mb_segmentation_data =
+ seg->update_segment_feature_data;
+ params->stVP8Segments.mb_segement_abs_delta = seg->segment_feature_mode;
+ params->stVP8Segments.mb_segement_abs_delta = seg->segment_feature_mode;
+
+ for (i = 0; i < 4; i++) {
+ params->stVP8Segments.segment_feature_data[0][i] =
+ seg->quantizer_update_value[i];
+ }
+
+ for (i = 0; i < 4; i++) {
+ params->stVP8Segments.segment_feature_data[1][i] = seg->lf_update_value[i];
+ }
+
+ for (i = 0; i < 3; i++) {
+ params->stVP8Segments.mb_segment_tree_probs[i] = seg->segment_prob[i];
+ }
+}
+
+static gboolean
+gst_d3d11_vp8_dec_submit_picture_data (GstD3D11Vp8Dec * self,
+ GstVp8Picture * picture, DXVA_PicParams_VP8 * params)
+{
+ guint d3d11_buffer_size;
+ gpointer d3d11_buffer;
+ gsize buffer_offset = 0;
+ gboolean is_first = TRUE;
+
+ GST_TRACE_OBJECT (self, "Getting picture params 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, params, sizeof (DXVA_PicParams_VP8));
+
+ 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 (!picture->data || !picture->size) {
+ GST_ERROR_OBJECT (self, "No data to submit");
+ return FALSE;
+ }
+
+ GST_TRACE_OBJECT (self, "Submit total %" G_GSIZE_FORMAT " bytes",
+ picture->size);
+
+ while (buffer_offset < picture->size) {
+ gsize bytes_to_copy = picture->size - buffer_offset;
+ gsize written_buffer_size;
+ gboolean is_last = TRUE;
+ DXVA_Slice_VPx_Short slice_short = { 0, };
+ D3D11_VIDEO_DECODER_BUFFER_DESC buffer_desc[3] = { 0, };
+ gboolean bad_aligned_bitstream_buffer = FALSE;
+
+ GST_TRACE_OBJECT (self, "Getting bitstream buffer");
+ if (!gst_d3d11_decoder_get_decoder_buffer (self->d3d11_decoder,
+ D3D11_VIDEO_DECODER_BUFFER_BITSTREAM, &d3d11_buffer_size,
+ &d3d11_buffer)) {
+ GST_ERROR_OBJECT (self, "Couldn't get bitstream buffer");
+ goto error;
+ }
+
+ if ((d3d11_buffer_size & 127) != 0) {
+ GST_WARNING_OBJECT (self,
+ "The size of bitstream buffer is not 128 bytes aligned");
+ bad_aligned_bitstream_buffer = TRUE;
+ }
+
+ if (bytes_to_copy > d3d11_buffer_size) {
+ /* if the size of this slice is larger than the size of remaining d3d11
+ * decoder bitstream memory, write the data up to the remaining d3d11
+ * decoder bitstream memory size and the rest would be written to the
+ * next d3d11 bitstream memory */
+ bytes_to_copy = d3d11_buffer_size;
+ is_last = FALSE;
+ }
+
+ memcpy (d3d11_buffer, picture->data + buffer_offset, bytes_to_copy);
+ written_buffer_size = bytes_to_copy;
+
+ /* DXVA2 spec is saying that written bitstream data must be 128 bytes
+ * aligned if the bitstream buffer contains end of frame
+ * (i.e., wBadSliceChopping == 0 or 2) */
+ if (is_last) {
+ guint padding = MIN (GST_ROUND_UP_128 (bytes_to_copy) - bytes_to_copy,
+ d3d11_buffer_size - bytes_to_copy);
+
+ if (padding) {
+ GST_TRACE_OBJECT (self,
+ "Written bitstream buffer size %" G_GSIZE_FORMAT
+ " is not 128 bytes aligned, add padding %d bytes",
+ bytes_to_copy, padding);
+ memset ((guint8 *) d3d11_buffer + bytes_to_copy, 0, padding);
+ written_buffer_size += padding;
+ }
+ }
+
+ GST_TRACE_OBJECT (self, "Release bitstream buffer");
+ if (!gst_d3d11_decoder_release_decoder_buffer (self->d3d11_decoder,
+ D3D11_VIDEO_DECODER_BUFFER_BITSTREAM)) {
+ GST_ERROR_OBJECT (self, "Failed to release bitstream buffer");
+
+ goto error;
+ }
+
+ slice_short.BSNALunitDataLocation = 0;
+ slice_short.SliceBytesInBuffer = (UINT) written_buffer_size;
+
+ /* wBadSliceChopping: (dxva 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;
+ }
+
+ GST_TRACE_OBJECT (self, "Getting slice control buffer");
+ if (!gst_d3d11_decoder_get_decoder_buffer (self->d3d11_decoder,
+ D3D11_VIDEO_DECODER_BUFFER_SLICE_CONTROL, &d3d11_buffer_size,
+ &d3d11_buffer)) {
+ GST_ERROR_OBJECT (self, "Couldn't get slice control buffer");
+
+ goto error;
+ }
+
+ memcpy (d3d11_buffer, &slice_short, sizeof (DXVA_Slice_VPx_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");
+
+ goto error;
+ }
+
+ buffer_desc[0].BufferType = D3D11_VIDEO_DECODER_BUFFER_PICTURE_PARAMETERS;
+ buffer_desc[0].DataOffset = 0;
+ buffer_desc[0].DataSize = sizeof (DXVA_PicParams_VP8);
+
+ buffer_desc[1].BufferType = D3D11_VIDEO_DECODER_BUFFER_SLICE_CONTROL;
+ buffer_desc[1].DataOffset = 0;
+ buffer_desc[1].DataSize = sizeof (DXVA_Slice_VPx_Short);
+
+ if (!bad_aligned_bitstream_buffer && (written_buffer_size & 127) != 0) {
+ GST_WARNING_OBJECT (self,
+ "Written bitstream buffer size %" G_GSIZE_FORMAT
+ " is not 128 bytes aligned", written_buffer_size);
+ }
+
+ buffer_desc[2].BufferType = D3D11_VIDEO_DECODER_BUFFER_BITSTREAM;
+ buffer_desc[2].DataOffset = 0;
+ buffer_desc[2].DataSize = written_buffer_size;
+
+ if (!gst_d3d11_decoder_submit_decoder_buffers (self->d3d11_decoder,
+ 3, buffer_desc)) {
+ GST_ERROR_OBJECT (self, "Couldn't submit decoder buffers");
+ goto error;
+ }
+
+ buffer_offset += bytes_to_copy;
+ is_first = FALSE;
+ }
+
+ return TRUE;
+
+error:
+ return FALSE;
+}
+
+static gboolean
+gst_d3d11_vp8_dec_decode_picture (GstVp8Decoder * decoder,
+ GstVp8Picture * picture, GstVp8Parser * parser)
+{
+ GstD3D11Vp8Dec *self = GST_D3D11_VP8_DEC (decoder);
+ DXVA_PicParams_VP8 pic_params = { 0, };
+ GstD3D11DecoderOutputView *view;
+ const GstVp8FrameHdr *frame_hdr = &picture->frame_hdr;
+
+ view = gst_d3d11_vp8_dec_get_output_view_from_picture (self, picture);
+ if (!view) {
+ GST_ERROR_OBJECT (self, "current picture does not have output view handle");
+ return FALSE;
+ }
+
+ pic_params.first_part_size = frame_hdr->first_part_size;
+ pic_params.width = self->width;
+ pic_params.height = self->height;
+ pic_params.CurrPic.Index7Bits = view->view_id;
+ pic_params.StatusReportFeedbackNumber = 1;
+
+ gst_d3d11_vp8_dec_copy_frame_params (self, picture, parser, &pic_params);
+ gst_d3d11_vp8_dec_copy_reference_frames (self, picture, &pic_params);
+ gst_d3d11_vp8_dec_copy_segmentation_params (self, picture, parser,
+ &pic_params);
+
+ return gst_d3d11_vp8_dec_submit_picture_data (self, picture, &pic_params);
+}
+
+static gboolean
+gst_d3d11_vp8_dec_end_picture (GstVp8Decoder * decoder, GstVp8Picture * picture)
+{
+ GstD3D11Vp8Dec *self = GST_D3D11_VP8_DEC (decoder);
+
+ if (!gst_d3d11_decoder_end_frame (self->d3d11_decoder)) {
+ GST_ERROR_OBJECT (self, "Failed to EndFrame");
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+typedef struct
+{
+ guint width;
+ guint height;
+} GstD3D11Vp8DecResolution;
+
+void
+gst_d3d11_vp8_dec_register (GstPlugin * plugin, GstD3D11Device * device,
+ GstD3D11Decoder * decoder, guint rank)
+{
+ GType type;
+ gchar *type_name;
+ gchar *feature_name;
+ guint index = 0;
+ guint i;
+ GUID profile;
+ GTypeInfo type_info = {
+ sizeof (GstD3D11Vp8DecClass),
+ NULL,
+ NULL,
+ (GClassInitFunc) gst_d3d11_vp8_dec_class_init,
+ NULL,
+ NULL,
+ sizeof (GstD3D11Vp8Dec),
+ 0,
+ (GInstanceInitFunc) gst_d3d11_vp8_dec_init,
+ };
+ static const GUID *profile_guid = &GST_GUID_D3D11_DECODER_PROFILE_VP8_VLD;
+ /* values were taken from chromium. See supported_profile_helper.cc */
+ GstD3D11Vp8DecResolution resolutions_to_check[] = {
+ {1920, 1088}, {2560, 1440}, {3840, 2160}, {4096, 2160}, {4096, 2304}
+ };
+ GstCaps *sink_caps = NULL;
+ GstCaps *src_caps = NULL;
+ guint max_width = 0;
+ guint max_height = 0;
+ guint resolution;
+ DXGI_FORMAT format = DXGI_FORMAT_NV12;
+
+ if (!gst_d3d11_decoder_get_supported_decoder_profile (decoder,
+ &profile_guid, 1, &profile)) {
+ GST_INFO_OBJECT (device, "device does not support VP8 decoding");
+ return;
+ }
+
+ for (i = 0; i < G_N_ELEMENTS (resolutions_to_check); i++) {
+ if (gst_d3d11_decoder_supports_resolution (decoder, &profile,
+ format, resolutions_to_check[i].width,
+ resolutions_to_check[i].height)) {
+ max_width = resolutions_to_check[i].width;
+ max_height = resolutions_to_check[i].height;
+
+ GST_DEBUG_OBJECT (device,
+ "device support resolution %dx%d", max_width, max_height);
+ } else {
+ break;
+ }
+ }
+
+ if (max_width == 0 || max_height == 0) {
+ GST_WARNING_OBJECT (device, "Couldn't query supported resolution");
+ return;
+ }
+
+ sink_caps = gst_caps_from_string ("video/x-vp8, "
+ "framerate = " GST_VIDEO_FPS_RANGE);
+ src_caps = gst_caps_from_string ("video/x-raw("
+ GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY "), "
+ "framerate = " GST_VIDEO_FPS_RANGE ";"
+ "video/x-raw, " "framerate = " GST_VIDEO_FPS_RANGE);
+
+ gst_caps_set_simple (src_caps, "format", G_TYPE_STRING, "NV12", NULL);
+
+ /* To cover both landscape and portrait, select max value */
+ resolution = MAX (max_width, max_height);
+ gst_caps_set_simple (sink_caps,
+ "width", GST_TYPE_INT_RANGE, 64, resolution,
+ "height", GST_TYPE_INT_RANGE, 64, resolution, NULL);
+ gst_caps_set_simple (src_caps,
+ "width", GST_TYPE_INT_RANGE, 64, resolution,
+ "height", GST_TYPE_INT_RANGE, 64, resolution, NULL);
+
+ type_info.class_data =
+ gst_d3d11_decoder_class_data_new (device, sink_caps, src_caps);
+
+ type_name = g_strdup ("GstD3D11Vp8Dec");
+ feature_name = g_strdup ("d3d11vp8dec");
+
+ while (g_type_from_name (type_name)) {
+ index++;
+ g_free (type_name);
+ g_free (feature_name);
+ type_name = g_strdup_printf ("GstD3D11Vp8Device%dDec", index);
+ feature_name = g_strdup_printf ("d3d11vp8device%ddec", index);
+ }
+
+ type = g_type_register_static (GST_TYPE_VP8_DECODER,
+ type_name, &type_info, 0);
+
+ /* make lower rank than default device */
+ if (rank > 0 && index != 0)
+ rank--;
+
+ if (!gst_element_register (plugin, feature_name, rank, type))
+ GST_WARNING ("Failed to register plugin '%s'", type_name);
+
+ g_free (type_name);
+ g_free (feature_name);
+}
projects / platform / upstream / gstreamer.git / commitdiff