--- /dev/null
+/* GStreamer Intel MSDK plugin
+ * Copyright (c) 2018, Intel Corporation
+ * All rights reserved.
+ *
+ * Author: Sreerenj Balachaandran <sreerenj.balachandran@intel.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. 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.
+ *
+ * 3. Neither the name of the copyright holder 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 HOLDER 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 <stdlib.h>
+
+#include "gstmsdkvpp.h"
+#include "gstmsdkbufferpool.h"
+#include "gstmsdkvideomemory.h"
+#include "gstmsdksystemmemory.h"
+#include "gstmsdkcontextutil.h"
+#include "gstmsdkvpputil.h"
+#include "msdk-enums.h"
+
+GST_DEBUG_CATEGORY_EXTERN (gst_msdkvpp_debug);
+#define GST_CAT_DEFAULT gst_msdkvpp_debug
+
+static GstStaticPadTemplate gst_msdkvpp_sink_factory =
+GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ NV12, I420, YUY2, UYVY, BGRA }")
+ ", " "interlace-mode = (string){ progressive, interleaved, mixed }"));
+
+static GstStaticPadTemplate gst_msdkvpp_src_factory =
+GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ NV12, BGRA }") ", "
+ "interlace-mode = (string){ progressive, interleaved, mixed }"));
+
+enum
+{
+ PROP_0 = 0,
+ PROP_HARDWARE = 1,
+ PROP_ASYNC_DEPTH = 2,
+ PROP_N,
+};
+
+#define PROP_HARDWARE_DEFAULT TRUE
+#define PROP_ASYNC_DEPTH_DEFAULT 1
+
+#define gst_msdkvpp_parent_class parent_class
+G_DEFINE_TYPE (GstMsdkVPP, gst_msdkvpp, GST_TYPE_BASE_TRANSFORM);
+
+typedef struct
+{
+ mfxFrameSurface1 *surface;
+ GstBuffer *buf;
+} MsdkSurface;
+
+static void
+free_msdk_surface (MsdkSurface * surface)
+{
+ if (surface->buf)
+ gst_buffer_unref (surface->buf);
+ g_slice_free (MsdkSurface, surface);
+}
+
+static gboolean
+ensure_context (GstBaseTransform * trans)
+{
+ GstMsdkVPP *thiz = GST_MSDKVPP (trans);
+
+ if (gst_msdk_context_prepare (GST_ELEMENT_CAST (thiz), &thiz->context)) {
+ GST_INFO_OBJECT (thiz, "Found context from neighbour %" GST_PTR_FORMAT,
+ thiz->context);
+
+ if (gst_msdk_context_get_job_type (thiz->context) & GST_MSDK_JOB_VPP) {
+ GstMsdkContext *parent_context;
+
+ parent_context = thiz->context;
+ thiz->context = gst_msdk_context_new_with_parent (parent_context);
+ gst_object_unref (parent_context);
+
+ GST_INFO_OBJECT (thiz,
+ "Creating new context %" GST_PTR_FORMAT " with joined session",
+ thiz->context);
+ } else {
+ gst_msdk_context_add_job_type (thiz->context, GST_MSDK_JOB_VPP);
+ }
+ } else {
+ if (!gst_msdk_context_ensure_context (GST_ELEMENT_CAST (thiz),
+ thiz->hardware, GST_MSDK_JOB_VPP))
+ return FALSE;
+ GST_INFO_OBJECT (thiz, "Creating new context %" GST_PTR_FORMAT,
+ thiz->context);
+ }
+
+ gst_msdk_context_add_shared_async_depth (thiz->context, thiz->async_depth);
+
+ return TRUE;
+}
+
+static GstBuffer *
+create_output_buffer (GstMsdkVPP * thiz)
+{
+ GstBuffer *outbuf;
+ GstFlowReturn ret;
+ GstBufferPool *pool = thiz->srcpad_buffer_pool;
+
+ g_return_val_if_fail (pool != NULL, NULL);
+
+ if (!gst_buffer_pool_is_active (pool) &&
+ !gst_buffer_pool_set_active (pool, TRUE))
+ goto error_activate_pool;
+
+ outbuf = NULL;
+ ret = gst_buffer_pool_acquire_buffer (pool, &outbuf, NULL);
+ if (ret != GST_FLOW_OK || !outbuf)
+ goto error_create_buffer;
+
+ return outbuf;
+
+ /* ERRORS */
+error_activate_pool:
+ {
+ GST_ERROR_OBJECT (thiz, "failed to activate output video buffer pool");
+ return NULL;
+ }
+error_create_buffer:
+ {
+ GST_ERROR_OBJECT (thiz, "failed to create output video buffer");
+ return NULL;
+ }
+}
+
+static GstFlowReturn
+gst_msdkvpp_prepare_output_buffer (GstBaseTransform * trans,
+ GstBuffer * inbuf, GstBuffer ** outbuf_ptr)
+{
+ GstMsdkVPP *thiz = GST_MSDKVPP (trans);
+
+ if (gst_base_transform_is_passthrough (trans)) {
+ *outbuf_ptr = inbuf;
+ return GST_FLOW_OK;
+ }
+
+ *outbuf_ptr = create_output_buffer (thiz);
+ return *outbuf_ptr ? GST_FLOW_OK : GST_FLOW_ERROR;
+}
+
+static GstBufferPool *
+gst_msdkvpp_create_buffer_pool (GstMsdkVPP * thiz, GstPadDirection direction,
+ GstCaps * caps, guint min_num_buffers)
+{
+ GstBufferPool *pool = NULL;
+ GstStructure *config;
+ GstAllocator *allocator = NULL;
+ GstVideoInfo info;
+ GstVideoInfo *pool_info = NULL;
+ GstVideoAlignment align;
+ GstAllocationParams params = { 0, 31, 0, 0, };
+ mfxFrameAllocResponse *alloc_resp = NULL;
+
+ if (direction == GST_PAD_SINK) {
+ alloc_resp = &thiz->in_alloc_resp;
+ pool_info = &thiz->sinkpad_buffer_pool_info;
+ } else if (direction == GST_PAD_SRC) {
+ alloc_resp = &thiz->out_alloc_resp;
+ pool_info = &thiz->srcpad_buffer_pool_info;
+ }
+
+ pool = gst_msdk_buffer_pool_new (thiz->context, alloc_resp);
+ if (!pool)
+ goto error_no_pool;
+
+ if (!gst_video_info_from_caps (&info, caps))
+ goto error_no_video_info;
+
+ gst_msdk_set_video_alignment (&info, &align);
+ gst_video_info_align (&info, &align);
+
+ if (thiz->use_video_memory)
+ allocator = gst_msdk_video_allocator_new (thiz->context, &info, alloc_resp);
+ else
+ allocator = gst_msdk_system_allocator_new (&info);
+
+ if (!allocator)
+ goto error_no_allocator;
+
+ config = gst_buffer_pool_get_config (GST_BUFFER_POOL_CAST (pool));
+ gst_buffer_pool_config_set_params (config, caps, info.size, min_num_buffers,
+ 0);
+
+ gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META);
+ gst_buffer_pool_config_add_option (config,
+ GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT);
+ if (thiz->use_video_memory)
+ gst_buffer_pool_config_add_option (config,
+ GST_BUFFER_POOL_OPTION_MSDK_USE_VIDEO_MEMORY);
+
+ gst_buffer_pool_config_set_video_alignment (config, &align);
+ gst_buffer_pool_config_set_allocator (config, allocator, ¶ms);
+ gst_object_unref (allocator);
+
+ if (!gst_buffer_pool_set_config (pool, config))
+ goto error_pool_config;
+
+ /* Updating pool_info with algined info of allocator */
+ *pool_info = info;
+
+ return pool;
+
+error_no_pool:
+ {
+ GST_INFO_OBJECT (thiz, "Failed to create bufferpool");
+ return NULL;
+ }
+error_no_video_info:
+ {
+ GST_INFO_OBJECT (thiz, "Failed to get Video info from caps");
+ return NULL;
+ }
+error_no_allocator:
+ {
+ GST_INFO_OBJECT (thiz, "Failed to create allocator");
+ if (pool)
+ gst_object_unref (pool);
+ return NULL;
+ }
+error_pool_config:
+ {
+ GST_INFO_OBJECT (thiz, "Failed to set config");
+ if (pool)
+ gst_object_unref (pool);
+ if (allocator)
+ gst_object_unref (allocator);
+ return NULL;
+ }
+}
+
+static gboolean
+gst_msdkvpp_decide_allocation (GstBaseTransform * trans, GstQuery * query)
+{
+ GstMsdkVPP *thiz = GST_MSDKVPP (trans);
+ GstVideoInfo info;
+ GstBufferPool *pool = NULL;
+ GstStructure *config = NULL;
+ GstCaps *caps;
+ guint size = 0, min_buffers = 0, max_buffers = 0;
+ GstAllocator *allocator = NULL;
+ GstAllocationParams params;
+ gboolean update_pool = FALSE;
+
+ gst_query_parse_allocation (query, &caps, NULL);
+ if (!caps) {
+ GST_ERROR_OBJECT (thiz, "Failed to parse the decide_allocation caps");
+ return FALSE;
+ }
+ if (!gst_video_info_from_caps (&info, caps)) {
+ GST_ERROR_OBJECT (thiz, "Failed to get video info");
+ return FALSE;
+ }
+
+ if (gst_query_find_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL))
+ thiz->add_video_meta = TRUE;
+ else
+ thiz->add_video_meta = FALSE;
+
+ if (gst_query_get_n_allocation_pools (query) > 0) {
+ gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min_buffers,
+ &max_buffers);
+ update_pool = TRUE;
+ size = MAX (size, GST_VIDEO_INFO_SIZE (&info));
+
+ if (pool && !GST_IS_MSDK_BUFFER_POOL (pool)) {
+ GST_INFO_OBJECT (thiz, "ignoring non-msdk pool: %" GST_PTR_FORMAT, pool);
+ g_clear_object (&pool);
+ }
+ }
+
+ if (!pool) {
+ gst_object_unref (thiz->srcpad_buffer_pool);
+ pool =
+ gst_msdkvpp_create_buffer_pool (thiz, GST_PAD_SRC, caps, min_buffers);
+ thiz->srcpad_buffer_pool = pool;
+
+ /* get the configured pool properties inorder to set in query */
+ config = gst_buffer_pool_get_config (pool);
+ gst_buffer_pool_config_get_params (config, &caps, &size, &min_buffers,
+ &max_buffers);
+ if (gst_buffer_pool_config_get_allocator (config, &allocator, ¶ms))
+ gst_query_add_allocation_param (query, allocator, ¶ms);
+ gst_structure_free (config);
+ }
+
+ if (update_pool)
+ gst_query_set_nth_allocation_pool (query, 0, pool, size, min_buffers,
+ max_buffers);
+ else
+ gst_query_add_allocation_pool (query, pool, size, min_buffers, max_buffers);
+
+ gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
+
+ /* Fixme if downstream doesn't have videometa support, msdkvpp should
+ * copy the output buffers */
+
+ return TRUE;
+}
+
+static gboolean
+gst_msdkvpp_propose_allocation (GstBaseTransform * trans,
+ GstQuery * decide_query, GstQuery * query)
+{
+ GstMsdkVPP *thiz = GST_MSDKVPP (trans);
+ GstVideoInfo info;
+ GstBufferPool *pool = NULL;
+ GstAllocator *allocator = NULL;
+ GstCaps *caps;
+ GstStructure *config;
+ gboolean need_pool;
+ guint size;
+ GstAllocationParams params;
+
+ gst_query_parse_allocation (query, &caps, &need_pool);
+ if (!caps) {
+ GST_ERROR_OBJECT (thiz, "Failed to parse the allocation caps");
+ return FALSE;
+ }
+
+ if (!gst_video_info_from_caps (&info, caps)) {
+ GST_ERROR_OBJECT (thiz, "Failed to get video info");
+ return FALSE;
+ }
+
+ size = MAX (info.size, GST_VIDEO_INFO_SIZE (&thiz->sinkpad_buffer_pool_info));
+
+ /* We already created a pool while setting the caps
+ * just to make sure the pipeline works even if there is
+ * no allocation query from upstream (theoratical ??).Provide the
+ * same pool in query if required/possible */
+ if (!gst_video_info_is_equal (&thiz->sinkpad_buffer_pool_info, &info)) {
+ gst_object_unref (thiz->sinkpad_buffer_pool);
+ thiz->sinkpad_buffer_pool =
+ gst_msdkvpp_create_buffer_pool (thiz, GST_PAD_SINK, caps,
+ thiz->in_num_surfaces);
+ }
+
+ pool = thiz->sinkpad_buffer_pool;
+
+ config = gst_buffer_pool_get_config (GST_BUFFER_POOL_CAST (pool));
+
+ gst_buffer_pool_config_get_params (config, NULL, &size, NULL, NULL);
+
+ if (gst_buffer_pool_config_get_allocator (config, &allocator, ¶ms))
+ gst_query_add_allocation_param (query, allocator, ¶ms);
+ gst_structure_free (config);
+
+ /* if upstream does't have a pool requirement, set only
+ * size, min_buffers and max_buffers in query */
+ if (!need_pool)
+ pool = NULL;
+
+ gst_query_add_allocation_pool (query, pool, size, thiz->in_num_surfaces, 0);
+ gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
+
+ return GST_BASE_TRANSFORM_CLASS (parent_class)->propose_allocation (trans,
+ decide_query, query);
+}
+
+static MsdkSurface *
+get_surface_from_pool (GstMsdkVPP * thiz, GstBufferPool * pool,
+ GstBufferPoolAcquireParams * params)
+{
+ GstBuffer *new_buffer;
+ mfxFrameSurface1 *new_surface;
+ MsdkSurface *msdk_surface;
+
+ if (!gst_buffer_pool_is_active (pool) &&
+ !gst_buffer_pool_set_active (pool, TRUE)) {
+ GST_ERROR_OBJECT (pool, "failed to activate buffer pool");
+ return NULL;
+ }
+
+ if (gst_buffer_pool_acquire_buffer (pool, &new_buffer, params) != GST_FLOW_OK) {
+ GST_ERROR_OBJECT (pool, "failed to acquire a buffer from pool");
+ return NULL;
+ }
+
+ if (gst_msdk_is_msdk_buffer (new_buffer))
+ new_surface = gst_msdk_get_surface_from_buffer (new_buffer);
+ else {
+ GST_ERROR_OBJECT (pool, "the acquired memory is not MSDK memory");
+ return NULL;
+ }
+
+ msdk_surface = g_slice_new0 (MsdkSurface);
+ msdk_surface->surface = new_surface;
+ msdk_surface->buf = new_buffer;
+
+ return msdk_surface;
+}
+
+static MsdkSurface *
+get_msdk_surface_from_input_buffer (GstMsdkVPP * thiz, GstBuffer * inbuf)
+{
+ GstVideoFrame src_frame, out_frame;
+ MsdkSurface *msdk_surface;
+
+ if (gst_msdk_is_msdk_buffer (inbuf)) {
+ msdk_surface = g_slice_new0 (MsdkSurface);
+ msdk_surface->surface = gst_msdk_get_surface_from_buffer (inbuf);
+ msdk_surface->buf = gst_buffer_ref (inbuf);
+ return msdk_surface;
+ }
+
+ /* If upstream hasn't accpeted the proposed msdk bufferpool,
+ * just copy frame to msdk buffer and take a surface from it.
+ */
+ if (!(msdk_surface =
+ get_surface_from_pool (thiz, thiz->sinkpad_buffer_pool, NULL)))
+ goto error;
+
+ if (!gst_video_frame_map (&src_frame, &thiz->sinkpad_info, inbuf,
+ GST_MAP_READ)) {
+ GST_ERROR_OBJECT (thiz, "failed to map the frame for source");
+ goto error;
+ }
+
+ if (!gst_video_frame_map (&out_frame, &thiz->sinkpad_buffer_pool_info,
+ msdk_surface->buf, GST_MAP_WRITE)) {
+ GST_ERROR_OBJECT (thiz, "failed to map the frame for destination");
+ gst_video_frame_unmap (&src_frame);
+ goto error;
+ }
+
+ if (!gst_video_frame_copy (&out_frame, &src_frame)) {
+ GST_ERROR_OBJECT (thiz, "failed to copy frame");
+ gst_video_frame_unmap (&out_frame);
+ gst_video_frame_unmap (&src_frame);
+ goto error;
+ }
+
+ gst_video_frame_unmap (&out_frame);
+ gst_video_frame_unmap (&src_frame);
+
+ return msdk_surface;
+
+error:
+ return NULL;
+}
+
+static GstFlowReturn
+gst_msdkvpp_transform (GstBaseTransform * trans, GstBuffer * inbuf,
+ GstBuffer * outbuf)
+{
+ GstMsdkVPP *thiz = GST_MSDKVPP (trans);
+ mfxSession session;
+ mfxSyncPoint sync_point = NULL;
+ mfxStatus status;
+ MsdkSurface *in_surface = NULL;
+ MsdkSurface *out_surface = NULL;
+
+ in_surface = get_msdk_surface_from_input_buffer (thiz, inbuf);
+ if (!in_surface)
+ return GST_FLOW_ERROR;
+
+ if (gst_msdk_is_msdk_buffer (outbuf)) {
+ out_surface = g_slice_new0 (MsdkSurface);
+ out_surface->surface = gst_msdk_get_surface_from_buffer (outbuf);
+ } else {
+ GST_ERROR ("Failed to get msdk outsurface!");
+ return GST_FLOW_ERROR;
+ }
+
+ session = gst_msdk_context_get_session (thiz->context);
+ for (;;) {
+ status =
+ MFXVideoVPP_RunFrameVPPAsync (session, in_surface->surface,
+ out_surface->surface, NULL, &sync_point);
+ if (status != MFX_WRN_DEVICE_BUSY)
+ break;
+ /* If device is busy, wait 1ms and retry, as per MSDK's recomendation */
+ g_usleep (1000);
+ };
+
+ if (status != MFX_ERR_NONE && status != MFX_ERR_MORE_DATA
+ && status != MFX_ERR_MORE_SURFACE)
+ goto vpp_error;
+
+ /* No output generated */
+ if (status == MFX_ERR_MORE_DATA)
+ goto error_more_data;
+ if (sync_point)
+ MFXVideoCORE_SyncOperation (session, sync_point, 10000);
+
+ /* More than one output buffers are generated */
+ if (status == MFX_ERR_MORE_SURFACE)
+ status = MFX_ERR_NONE;
+
+ gst_buffer_copy_into (outbuf, inbuf, GST_BUFFER_COPY_TIMESTAMPS, 0, -1);
+
+ free_msdk_surface (in_surface);
+ return GST_FLOW_OK;
+
+vpp_error:
+ GST_ERROR_OBJECT (thiz, "MSDK Failed to do VPP");
+ free_msdk_surface (in_surface);
+ free_msdk_surface (out_surface);
+ return GST_FLOW_ERROR;
+
+error_more_data:
+ GST_WARNING_OBJECT (thiz,
+ "MSDK Requries additional input for processing, "
+ "Retruning FLOW_DROPPED since no output buffer was generated");
+ free_msdk_surface (in_surface);
+ return GST_BASE_TRANSFORM_FLOW_DROPPED;
+}
+
+static void
+gst_msdkvpp_close (GstMsdkVPP * thiz)
+{
+ mfxStatus status;
+
+ if (!thiz->context)
+ return;
+
+ GST_DEBUG_OBJECT (thiz, "Closing VPP 0x%p", thiz->context);
+ status = MFXVideoVPP_Close (gst_msdk_context_get_session (thiz->context));
+ if (status != MFX_ERR_NONE && status != MFX_ERR_NOT_INITIALIZED) {
+ GST_WARNING_OBJECT (thiz, "Encoder close failed (%s)",
+ msdk_status_to_string (status));
+ }
+
+ if (thiz->context)
+ gst_object_replace ((GstObject **) & thiz->context, NULL);
+
+ memset (&thiz->param, 0, sizeof (thiz->param));
+
+ if (thiz->sinkpad_buffer_pool)
+ gst_object_unref (thiz->sinkpad_buffer_pool);
+ thiz->sinkpad_buffer_pool = NULL;
+ if (thiz->srcpad_buffer_pool)
+ gst_object_unref (thiz->srcpad_buffer_pool);
+ thiz->srcpad_buffer_pool = NULL;
+
+ gst_video_info_init (&thiz->sinkpad_info);
+ gst_video_info_init (&thiz->srcpad_info);
+}
+
+static void
+ensure_filters (GstMsdkVPP * thiz)
+{
+ guint n_filters = 0;
+
+ /* Denoise */
+ if (thiz->flags & GST_MSDK_FLAG_DENOISE) {
+ mfxExtVPPDenoise *mfx_denoise = &thiz->mfx_denoise;
+ mfx_denoise->Header.BufferId = MFX_EXTBUFF_VPP_DENOISE;
+ mfx_denoise->Header.BufferSz = sizeof (mfxExtVPPDenoise);
+ mfx_denoise->DenoiseFactor = thiz->denoise_factor;
+ gst_msdkvpp_add_extra_param (thiz, (mfxExtBuffer *) mfx_denoise);
+ thiz->max_filter_algorithms[n_filters] = MFX_EXTBUFF_VPP_DENOISE;
+ n_filters++;
+ }
+
+ /* Rotation */
+ if (thiz->flags & GST_MSDK_FLAG_ROTATION) {
+ mfxExtVPPRotation *mfx_rotation = &thiz->mfx_rotation;
+ mfx_rotation->Header.BufferId = MFX_EXTBUFF_VPP_ROTATION;
+ mfx_rotation->Header.BufferSz = sizeof (mfxExtVPPRotation);
+ mfx_rotation->Angle = thiz->rotation;
+ gst_msdkvpp_add_extra_param (thiz, (mfxExtBuffer *) mfx_rotation);
+ thiz->max_filter_algorithms[n_filters] = MFX_EXTBUFF_VPP_ROTATION;
+ n_filters++;
+ }
+
+ /* mfxExtVPPDoUse */
+ if (n_filters) {
+ mfxExtVPPDoUse *mfx_vpp_douse = &thiz->mfx_vpp_douse;
+ mfx_vpp_douse->Header.BufferId = MFX_EXTBUFF_VPP_DOUSE;
+ mfx_vpp_douse->Header.BufferSz = sizeof (mfxExtVPPDoUse);
+ mfx_vpp_douse->NumAlg = n_filters;
+ mfx_vpp_douse->AlgList = thiz->max_filter_algorithms;
+ gst_msdkvpp_add_extra_param (thiz, (mfxExtBuffer *) mfx_vpp_douse);
+ }
+}
+
+static void
+gst_msdkvpp_set_passthrough (GstMsdkVPP * thiz)
+{
+ gboolean passthrough = TRUE;
+
+ /* no passthrough if any of the filter algorithm is enabled */
+ if (thiz->flags)
+ passthrough = FALSE;
+
+ /* no passthrough if there is change in out width,height or format */
+ if (GST_VIDEO_INFO_WIDTH (&thiz->sinkpad_info) !=
+ GST_VIDEO_INFO_WIDTH (&thiz->srcpad_info)
+ || GST_VIDEO_INFO_HEIGHT (&thiz->sinkpad_info) !=
+ GST_VIDEO_INFO_HEIGHT (&thiz->srcpad_info)
+ || GST_VIDEO_INFO_FORMAT (&thiz->sinkpad_info) !=
+ GST_VIDEO_INFO_FORMAT (&thiz->srcpad_info))
+ passthrough = FALSE;
+
+ GST_OBJECT_UNLOCK (thiz);
+ gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (thiz), passthrough);
+ GST_OBJECT_LOCK (thiz);
+}
+
+static gboolean
+gst_msdkvpp_initialize (GstMsdkVPP * thiz)
+{
+ mfxSession session;
+ mfxStatus status;
+ mfxFrameAllocRequest request[2];
+
+ if (!thiz->context) {
+ GST_WARNING_OBJECT (thiz, "No MSDK Context");
+ return FALSE;
+ }
+
+ GST_OBJECT_LOCK (thiz);
+ session = gst_msdk_context_get_session (thiz->context);
+
+ if (thiz->use_video_memory) {
+ gst_msdk_set_frame_allocator (thiz->context);
+ thiz->param.IOPattern =
+ MFX_IOPATTERN_IN_VIDEO_MEMORY | MFX_IOPATTERN_OUT_VIDEO_MEMORY;
+ } else {
+ thiz->param.IOPattern =
+ MFX_IOPATTERN_IN_SYSTEM_MEMORY | MFX_IOPATTERN_OUT_SYSTEM_MEMORY;
+ }
+
+ /* update input video attributes */
+ gst_msdk_set_mfx_frame_info_from_video_info (&thiz->param.vpp.In,
+ &thiz->sinkpad_info);
+
+ /* update output video attributes, only CSC and Scaling are supported for now */
+ gst_msdk_set_mfx_frame_info_from_video_info (&thiz->param.vpp.Out,
+ &thiz->srcpad_info);
+ thiz->param.vpp.Out.FrameRateExtN =
+ GST_VIDEO_INFO_FPS_N (&thiz->sinkpad_info);
+ thiz->param.vpp.Out.FrameRateExtD =
+ GST_VIDEO_INFO_FPS_D (&thiz->sinkpad_info);
+
+ /* validate parameters and allow the Media SDK to make adjustments */
+ status = MFXVideoVPP_Query (session, &thiz->param, &thiz->param);
+ if (status < MFX_ERR_NONE) {
+ GST_ERROR_OBJECT (thiz, "Video VPP Query failed (%s)",
+ msdk_status_to_string (status));
+ goto no_vpp;
+ } else if (status > MFX_ERR_NONE) {
+ GST_WARNING_OBJECT (thiz, "Video VPP Query returned: %s",
+ msdk_status_to_string (status));
+ }
+
+ /* Enable the required filters */
+ ensure_filters (thiz);
+
+ /* set passthrough according to filter operation change */
+ gst_msdkvpp_set_passthrough (thiz);
+
+ /* Add exteneded buffers */
+ if (thiz->num_extra_params) {
+ thiz->param.NumExtParam = thiz->num_extra_params;
+ thiz->param.ExtParam = thiz->extra_params;
+ }
+
+ status = MFXVideoVPP_QueryIOSurf (session, &thiz->param, request);
+ if (status < MFX_ERR_NONE) {
+ GST_ERROR_OBJECT (thiz, "VPP Query IO surfaces failed (%s)",
+ msdk_status_to_string (status));
+ goto no_vpp;
+ } else if (status > MFX_ERR_NONE) {
+ GST_WARNING_OBJECT (thiz, "VPP Query IO surfaces returned: %s",
+ msdk_status_to_string (status));
+ }
+
+ if (thiz->use_video_memory) {
+ /* Input surface pool pre-allocation */
+ gst_msdk_frame_alloc (thiz->context, &(request[0]), &thiz->in_alloc_resp);
+ /* Output surface pool pre-allocation */
+ gst_msdk_frame_alloc (thiz->context, &(request[1]), &thiz->out_alloc_resp);
+ }
+
+ thiz->in_num_surfaces = request[0].NumFrameSuggested;
+ thiz->out_num_surfaces = request[1].NumFrameSuggested;
+
+ status = MFXVideoVPP_Init (session, &thiz->param);
+ if (status < MFX_ERR_NONE) {
+ GST_ERROR_OBJECT (thiz, "Init failed (%s)", msdk_status_to_string (status));
+ goto no_vpp;
+ } else if (status > MFX_ERR_NONE) {
+ GST_WARNING_OBJECT (thiz, "Init returned: %s",
+ msdk_status_to_string (status));
+ }
+
+ GST_OBJECT_UNLOCK (thiz);
+ return TRUE;
+
+no_vpp:
+ GST_OBJECT_UNLOCK (thiz);
+ if (thiz->context)
+ gst_object_replace ((GstObject **) & thiz->context, NULL);
+ return FALSE;
+}
+
+static gboolean
+gst_msdkvpp_set_caps (GstBaseTransform * trans, GstCaps * caps,
+ GstCaps * out_caps)
+{
+ GstMsdkVPP *thiz = GST_MSDKVPP (trans);
+ GstVideoInfo in_info, out_info;
+ gboolean sinkpad_info_changed = FALSE;
+ gboolean srcpad_info_changed = FALSE;
+
+ gst_video_info_from_caps (&in_info, caps);
+ gst_video_info_from_caps (&out_info, out_caps);
+
+ if (!gst_video_info_is_equal (&in_info, &thiz->sinkpad_info))
+ sinkpad_info_changed = TRUE;
+ if (!gst_video_info_is_equal (&out_info, &thiz->srcpad_info))
+ srcpad_info_changed = TRUE;
+
+ thiz->sinkpad_info = in_info;
+ thiz->srcpad_info = out_info;
+#ifndef _WIN32
+ thiz->use_video_memory = TRUE;
+#else
+ thiz->use_video_memory = FALSE;
+#endif
+
+ if (!sinkpad_info_changed && !srcpad_info_changed)
+ return TRUE;
+
+ if (!gst_msdkvpp_initialize (thiz))
+ return FALSE;
+
+ /* Ensure sinkpad buffer pool */
+ thiz->sinkpad_buffer_pool =
+ gst_msdkvpp_create_buffer_pool (thiz, GST_PAD_SINK, caps,
+ thiz->in_num_surfaces);
+ if (!thiz->sinkpad_buffer_pool) {
+ GST_ERROR_OBJECT (thiz, "Failed to ensure the sinkpad buffer pool");
+ return FALSE;
+ }
+ /* Ensure a srcpad buffer pool */
+ thiz->srcpad_buffer_pool =
+ gst_msdkvpp_create_buffer_pool (thiz, GST_PAD_SRC, out_caps,
+ thiz->out_num_surfaces);
+ if (!thiz->srcpad_buffer_pool) {
+ GST_ERROR_OBJECT (thiz, "Failed to ensure the srcpad buffer pool");
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static GstCaps *
+gst_msdkvpp_fixate_caps (GstBaseTransform * trans,
+ GstPadDirection direction, GstCaps * caps, GstCaps * othercaps)
+{
+ GstMsdkVPP *thiz = GST_MSDKVPP (trans);
+ GstCaps *result = NULL;
+
+ if (direction == GST_PAD_SRC)
+ result = gst_caps_fixate (result);
+ else {
+ result = gst_msdkvpp_fixate_srccaps (thiz, caps, othercaps);
+ }
+
+ GST_DEBUG_OBJECT (trans, "fixated to %" GST_PTR_FORMAT, result);
+ gst_caps_unref (othercaps);
+ return result;
+}
+
+/* Generic code for now, requires changes in future when we
+ * add hardware query for supported formats, Framerate control etc */
+static GstCaps *
+gst_msdkvpp_transform_caps (GstBaseTransform * trans,
+ GstPadDirection direction, GstCaps * caps, GstCaps * filter)
+{
+ GstCaps *out_caps;
+
+ GST_DEBUG_OBJECT (trans,
+ "Transforming caps %" GST_PTR_FORMAT " in direction %s", caps,
+ (direction == GST_PAD_SINK) ? "sink" : "src");
+
+ if (direction == GST_PAD_SRC)
+ out_caps = gst_static_pad_template_get_caps (&gst_msdkvpp_sink_factory);
+ else
+ out_caps = gst_static_pad_template_get_caps (&gst_msdkvpp_src_factory);
+
+ if (out_caps && filter) {
+ GstCaps *intersection;
+
+ intersection = gst_caps_intersect_full (out_caps, filter,
+ GST_CAPS_INTERSECT_FIRST);
+ gst_caps_unref (out_caps);
+ out_caps = intersection;
+ }
+
+ GST_DEBUG_OBJECT (trans, "returning caps: %" GST_PTR_FORMAT, out_caps);
+ return out_caps;
+}
+
+static gboolean
+gst_msdkvpp_start (GstBaseTransform * trans)
+{
+ if (!ensure_context (trans))
+ return FALSE;
+ return TRUE;
+}
+
+static gboolean
+gst_msdkvpp_stop (GstBaseTransform * trans)
+{
+ gst_msdkvpp_close (GST_MSDKVPP (trans));
+ return TRUE;
+}
+
+static void
+gst_msdkvpp_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstMsdkVPP *thiz = GST_MSDKVPP (object);
+
+ switch (prop_id) {
+ case PROP_HARDWARE:
+ thiz->hardware = g_value_get_boolean (value);
+ break;
+ case PROP_ASYNC_DEPTH:
+ thiz->async_depth = g_value_get_uint (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_msdkvpp_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
+{
+ GstMsdkVPP *thiz = GST_MSDKVPP (object);
+
+ switch (prop_id) {
+ case PROP_HARDWARE:
+ g_value_set_boolean (value, thiz->hardware);
+ break;
+ case PROP_ASYNC_DEPTH:
+ g_value_set_uint (value, thiz->async_depth);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_msdkvpp_finalize (GObject * object)
+{
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gst_msdkvpp_set_context (GstElement * element, GstContext * context)
+{
+ GstMsdkContext *msdk_context = NULL;
+ GstMsdkVPP *thiz = GST_MSDKVPP (element);
+
+ if (gst_msdk_context_get_context (context, &msdk_context)) {
+ gst_object_replace ((GstObject **) & thiz->context,
+ (GstObject *) msdk_context);
+ gst_object_unref (msdk_context);
+ }
+
+ GST_ELEMENT_CLASS (parent_class)->set_context (element, context);
+}
+
+static void
+gst_msdkvpp_class_init (GstMsdkVPPClass * klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *element_class;
+ GstBaseTransformClass *trans_class;
+ GParamSpec *obj_properties[PROP_N] = { NULL, };
+
+ gobject_class = G_OBJECT_CLASS (klass);
+ element_class = GST_ELEMENT_CLASS (klass);
+ trans_class = GST_BASE_TRANSFORM_CLASS (klass);
+
+ gobject_class->set_property = gst_msdkvpp_set_property;
+ gobject_class->get_property = gst_msdkvpp_get_property;
+ gobject_class->finalize = gst_msdkvpp_finalize;
+
+ element_class->set_context = gst_msdkvpp_set_context;
+
+ gst_element_class_add_static_pad_template (element_class,
+ &gst_msdkvpp_src_factory);
+ gst_element_class_add_static_pad_template (element_class,
+ &gst_msdkvpp_sink_factory);
+
+ gst_element_class_set_static_metadata (element_class,
+ "MSDK Video Postprocessor",
+ "Filter/Converter/Video;Filter/Converter/Video/Scaler;"
+ "Filter/Effect/Video;Filter/Effect/Video/Deinterlace",
+ "A MediaSDK Video Postprocessing Filter",
+ "Sreerenj Balachandrn <sreerenj.balachandran@intel.com>");
+
+ trans_class->start = GST_DEBUG_FUNCPTR (gst_msdkvpp_start);
+ trans_class->stop = GST_DEBUG_FUNCPTR (gst_msdkvpp_stop);
+ trans_class->transform_caps = GST_DEBUG_FUNCPTR (gst_msdkvpp_transform_caps);
+ trans_class->fixate_caps = GST_DEBUG_FUNCPTR (gst_msdkvpp_fixate_caps);
+ trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_msdkvpp_set_caps);
+ trans_class->transform = GST_DEBUG_FUNCPTR (gst_msdkvpp_transform);
+ trans_class->propose_allocation =
+ GST_DEBUG_FUNCPTR (gst_msdkvpp_propose_allocation);
+ trans_class->decide_allocation =
+ GST_DEBUG_FUNCPTR (gst_msdkvpp_decide_allocation);
+ trans_class->prepare_output_buffer =
+ GST_DEBUG_FUNCPTR (gst_msdkvpp_prepare_output_buffer);
+
+ obj_properties[PROP_HARDWARE] =
+ g_param_spec_boolean ("hardware", "Hardware", "Enable hardware VPP",
+ PROP_HARDWARE_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ obj_properties[PROP_ASYNC_DEPTH] =
+ g_param_spec_uint ("async-depth", "Async Depth",
+ "Depth of asynchronous pipeline",
+ 1, 1, PROP_ASYNC_DEPTH_DEFAULT,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ g_object_class_install_properties (gobject_class, PROP_N, obj_properties);
+}
+
+static void
+gst_msdkvpp_init (GstMsdkVPP * thiz)
+{
+ thiz->hardware = PROP_HARDWARE_DEFAULT;
+ thiz->async_depth = PROP_ASYNC_DEPTH_DEFAULT;
+ gst_video_info_init (&thiz->sinkpad_info);
+ gst_video_info_init (&thiz->srcpad_info);
+}
--- /dev/null
+/*
+ * gstmsdkvpputil.c - MediaSDK video post processing utilities
+ *
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ * Copyright (C) 2005-2012 David Schleef <ds@schleef.org>
+ * Copyright (C) 2016 Intel Corporation
+ * Copyright (C) 2018 Intel Corporation
+ * Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
+ * Author: Victor Jaquez <victorx.jaquez@intel.com>
+ * Author: Sreerenj Balachandran <sreerenj.balachandran@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301 USA
+ */
+
+#include "gstmsdkvpputil.h"
+
+static gboolean
+fixate_output_frame_size (GstMsdkVPP * thiz, GstVideoInfo * vinfo,
+ GstStructure * outs)
+{
+ const GValue *to_par;
+ GValue tpar = G_VALUE_INIT;
+ gboolean ret;
+
+ ret = TRUE;
+ to_par = gst_structure_get_value (outs, "pixel-aspect-ratio");
+ if (!to_par) {
+ g_value_init (&tpar, GST_TYPE_FRACTION_RANGE);
+ gst_value_set_fraction_range_full (&tpar, 1, G_MAXINT, G_MAXINT, 1);
+ to_par = &tpar;
+ }
+
+ /* we have both PAR but they might not be fixated */
+ {
+ gint from_w, from_h, from_par_n, from_par_d, to_par_n, to_par_d;
+ gint w = 0, h = 0;
+ gint from_dar_n, from_dar_d;
+ gint num, den;
+
+ from_par_n = GST_VIDEO_INFO_PAR_N (vinfo);
+ from_par_d = GST_VIDEO_INFO_PAR_D (vinfo);
+ from_w = GST_VIDEO_INFO_WIDTH (vinfo);
+ from_h = GST_VIDEO_INFO_HEIGHT (vinfo);
+
+ gst_structure_get_int (outs, "width", &w);
+ gst_structure_get_int (outs, "height", &h);
+
+ /* if both width and height are already fixed, we can't do anything
+ * about it anymore */
+ if (w && h) {
+ guint n, d;
+
+ GST_DEBUG_OBJECT (thiz,
+ "dimensions already set to %dx%d, not fixating", w, h);
+
+ if (!gst_value_is_fixed (to_par)) {
+ if (gst_video_calculate_display_ratio (&n, &d, from_w, from_h,
+ from_par_n, from_par_d, w, h)) {
+ GST_DEBUG_OBJECT (thiz, "fixating to_par to %dx%d", n, d);
+ if (gst_structure_has_field (outs, "pixel-aspect-ratio"))
+ gst_structure_fixate_field_nearest_fraction (outs,
+ "pixel-aspect-ratio", n, d);
+ else if (n != d)
+ gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
+ n, d, NULL);
+ }
+ }
+
+ goto done;
+ }
+
+ /* Calculate input DAR */
+ if (!gst_util_fraction_multiply (from_w, from_h, from_par_n, from_par_d,
+ &from_dar_n, &from_dar_d))
+ goto overflow_error;
+
+ GST_DEBUG_OBJECT (thiz, "Input DAR is %d/%d", from_dar_n, from_dar_d);
+
+ /* If either width or height are fixed there's not much we
+ * can do either except choosing a height or width and PAR
+ * that matches the DAR as good as possible
+ */
+ if (h) {
+ GstStructure *tmp;
+ gint set_w, set_par_n, set_par_d;
+
+ GST_DEBUG_OBJECT (thiz, "height is fixed (%d)", h);
+
+ /* If the PAR is fixed too, there's not much to do
+ * except choosing the width that is nearest to the
+ * width with the same DAR */
+ if (gst_value_is_fixed (to_par)) {
+ to_par_n = gst_value_get_fraction_numerator (to_par);
+ to_par_d = gst_value_get_fraction_denominator (to_par);
+
+ GST_DEBUG_OBJECT (thiz, "PAR is fixed %d/%d", to_par_n, to_par_d);
+
+ if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, to_par_d,
+ to_par_n, &num, &den))
+ goto overflow_error;
+
+ w = (guint) gst_util_uint64_scale_int (h, num, den);
+ gst_structure_fixate_field_nearest_int (outs, "width", w);
+
+ goto done;
+ }
+
+ /* The PAR is not fixed and it's quite likely that we can set
+ * an arbitrary PAR. */
+
+ /* Check if we can keep the input width */
+ tmp = gst_structure_copy (outs);
+ gst_structure_fixate_field_nearest_int (tmp, "width", from_w);
+ gst_structure_get_int (tmp, "width", &set_w);
+
+ /* Might have failed but try to keep the DAR nonetheless by
+ * adjusting the PAR */
+ if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, h, set_w,
+ &to_par_n, &to_par_d)) {
+ gst_structure_free (tmp);
+ goto overflow_error;
+ }
+
+ if (!gst_structure_has_field (tmp, "pixel-aspect-ratio"))
+ gst_structure_set_value (tmp, "pixel-aspect-ratio", to_par);
+ gst_structure_fixate_field_nearest_fraction (tmp, "pixel-aspect-ratio",
+ to_par_n, to_par_d);
+ gst_structure_get_fraction (tmp, "pixel-aspect-ratio", &set_par_n,
+ &set_par_d);
+ gst_structure_free (tmp);
+
+ /* Check if the adjusted PAR is accepted */
+ if (set_par_n == to_par_n && set_par_d == to_par_d) {
+ if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
+ set_par_n != set_par_d)
+ gst_structure_set (outs, "width", G_TYPE_INT, set_w,
+ "pixel-aspect-ratio", GST_TYPE_FRACTION, set_par_n, set_par_d,
+ NULL);
+ goto done;
+ }
+
+ /* Otherwise scale the width to the new PAR and check if the
+ * adjusted with is accepted. If all that fails we can't keep
+ * the DAR */
+ if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_par_d,
+ set_par_n, &num, &den))
+ goto overflow_error;
+
+ w = (guint) gst_util_uint64_scale_int (h, num, den);
+ gst_structure_fixate_field_nearest_int (outs, "width", w);
+ if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
+ set_par_n != set_par_d)
+ gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
+ set_par_n, set_par_d, NULL);
+
+ goto done;
+ } else if (w) {
+ GstStructure *tmp;
+ gint set_h, set_par_n, set_par_d;
+
+ GST_DEBUG_OBJECT (thiz, "width is fixed (%d)", w);
+
+ /* If the PAR is fixed too, there's not much to do
+ * except choosing the height that is nearest to the
+ * height with the same DAR */
+ if (gst_value_is_fixed (to_par)) {
+ to_par_n = gst_value_get_fraction_numerator (to_par);
+ to_par_d = gst_value_get_fraction_denominator (to_par);
+
+ GST_DEBUG_OBJECT (thiz, "PAR is fixed %d/%d", to_par_n, to_par_d);
+
+ if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, to_par_d,
+ to_par_n, &num, &den))
+ goto overflow_error;
+
+ h = (guint) gst_util_uint64_scale_int (w, den, num);
+ gst_structure_fixate_field_nearest_int (outs, "height", h);
+
+ goto done;
+ }
+
+ /* The PAR is not fixed and it's quite likely that we can set
+ * an arbitrary PAR. */
+
+ /* Check if we can keep the input height */
+ tmp = gst_structure_copy (outs);
+ gst_structure_fixate_field_nearest_int (tmp, "height", from_h);
+ gst_structure_get_int (tmp, "height", &set_h);
+
+ /* Might have failed but try to keep the DAR nonetheless by
+ * adjusting the PAR */
+ if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_h, w,
+ &to_par_n, &to_par_d)) {
+ gst_structure_free (tmp);
+ goto overflow_error;
+ }
+
+ if (!gst_structure_has_field (tmp, "pixel-aspect-ratio"))
+ gst_structure_set_value (tmp, "pixel-aspect-ratio", to_par);
+ gst_structure_fixate_field_nearest_fraction (tmp, "pixel-aspect-ratio",
+ to_par_n, to_par_d);
+ gst_structure_get_fraction (tmp, "pixel-aspect-ratio", &set_par_n,
+ &set_par_d);
+ gst_structure_free (tmp);
+
+ /* Check if the adjusted PAR is accepted */
+ if (set_par_n == to_par_n && set_par_d == to_par_d) {
+ if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
+ set_par_n != set_par_d)
+ gst_structure_set (outs, "height", G_TYPE_INT, set_h,
+ "pixel-aspect-ratio", GST_TYPE_FRACTION, set_par_n, set_par_d,
+ NULL);
+ goto done;
+ }
+
+ /* Otherwise scale the height to the new PAR and check if the
+ * adjusted with is accepted. If all that fails we can't keep
+ * the DAR */
+ if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_par_d,
+ set_par_n, &num, &den))
+ goto overflow_error;
+
+ h = (guint) gst_util_uint64_scale_int (w, den, num);
+ gst_structure_fixate_field_nearest_int (outs, "height", h);
+ if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
+ set_par_n != set_par_d)
+ gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
+ set_par_n, set_par_d, NULL);
+
+ goto done;
+ } else if (gst_value_is_fixed (to_par)) {
+ GstStructure *tmp;
+ gint set_h, set_w, f_h, f_w;
+
+ to_par_n = gst_value_get_fraction_numerator (to_par);
+ to_par_d = gst_value_get_fraction_denominator (to_par);
+
+ /* Calculate scale factor for the PAR change */
+ if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, to_par_n,
+ to_par_d, &num, &den))
+ goto overflow_error;
+
+ /* Try to keep the input height (because of interlacing) */
+ tmp = gst_structure_copy (outs);
+ gst_structure_fixate_field_nearest_int (tmp, "height", from_h);
+ gst_structure_get_int (tmp, "height", &set_h);
+
+ /* This might have failed but try to scale the width
+ * to keep the DAR nonetheless */
+ w = (guint) gst_util_uint64_scale_int (set_h, num, den);
+ gst_structure_fixate_field_nearest_int (tmp, "width", w);
+ gst_structure_get_int (tmp, "width", &set_w);
+ gst_structure_free (tmp);
+
+ /* We kept the DAR and the height is nearest to the original height */
+ if (set_w == w) {
+ gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height",
+ G_TYPE_INT, set_h, NULL);
+ goto done;
+ }
+
+ f_h = set_h;
+ f_w = set_w;
+
+ /* If the former failed, try to keep the input width at least */
+ tmp = gst_structure_copy (outs);
+ gst_structure_fixate_field_nearest_int (tmp, "width", from_w);
+ gst_structure_get_int (tmp, "width", &set_w);
+
+ /* This might have failed but try to scale the width
+ * to keep the DAR nonetheless */
+ h = (guint) gst_util_uint64_scale_int (set_w, den, num);
+ gst_structure_fixate_field_nearest_int (tmp, "height", h);
+ gst_structure_get_int (tmp, "height", &set_h);
+ gst_structure_free (tmp);
+
+ /* We kept the DAR and the width is nearest to the original width */
+ if (set_h == h) {
+ gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height",
+ G_TYPE_INT, set_h, NULL);
+ goto done;
+ }
+
+ /* If all this failed, keep the height that was nearest to the orignal
+ * height and the nearest possible width. This changes the DAR but
+ * there's not much else to do here.
+ */
+ gst_structure_set (outs, "width", G_TYPE_INT, f_w, "height", G_TYPE_INT,
+ f_h, NULL);
+ goto done;
+ } else {
+ GstStructure *tmp;
+ gint set_h, set_w, set_par_n, set_par_d, tmp2;
+
+ /* width, height and PAR are not fixed but passthrough is not possible */
+
+ /* First try to keep the height and width as good as possible
+ * and scale PAR */
+ tmp = gst_structure_copy (outs);
+ gst_structure_fixate_field_nearest_int (tmp, "height", from_h);
+ gst_structure_get_int (tmp, "height", &set_h);
+ gst_structure_fixate_field_nearest_int (tmp, "width", from_w);
+ gst_structure_get_int (tmp, "width", &set_w);
+
+ if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_h, set_w,
+ &to_par_n, &to_par_d)) {
+ gst_structure_free (tmp);
+ goto overflow_error;
+ }
+
+ if (!gst_structure_has_field (tmp, "pixel-aspect-ratio"))
+ gst_structure_set_value (tmp, "pixel-aspect-ratio", to_par);
+ gst_structure_fixate_field_nearest_fraction (tmp, "pixel-aspect-ratio",
+ to_par_n, to_par_d);
+ gst_structure_get_fraction (tmp, "pixel-aspect-ratio", &set_par_n,
+ &set_par_d);
+ gst_structure_free (tmp);
+
+ if (set_par_n == to_par_n && set_par_d == to_par_d) {
+ gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height",
+ G_TYPE_INT, set_h, NULL);
+
+ if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
+ set_par_n != set_par_d)
+ gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
+ set_par_n, set_par_d, NULL);
+ goto done;
+ }
+
+ /* Otherwise try to scale width to keep the DAR with the set
+ * PAR and height */
+ if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_par_d,
+ set_par_n, &num, &den))
+ goto overflow_error;
+
+ w = (guint) gst_util_uint64_scale_int (set_h, num, den);
+ tmp = gst_structure_copy (outs);
+ gst_structure_fixate_field_nearest_int (tmp, "width", w);
+ gst_structure_get_int (tmp, "width", &tmp2);
+ gst_structure_free (tmp);
+
+ if (tmp2 == w) {
+ gst_structure_set (outs, "width", G_TYPE_INT, tmp2, "height",
+ G_TYPE_INT, set_h, NULL);
+ if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
+ set_par_n != set_par_d)
+ gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
+ set_par_n, set_par_d, NULL);
+ goto done;
+ }
+
+ /* ... or try the same with the height */
+ h = (guint) gst_util_uint64_scale_int (set_w, den, num);
+ tmp = gst_structure_copy (outs);
+ gst_structure_fixate_field_nearest_int (tmp, "height", h);
+ gst_structure_get_int (tmp, "height", &tmp2);
+ gst_structure_free (tmp);
+
+ if (tmp2 == h) {
+ gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height",
+ G_TYPE_INT, tmp2, NULL);
+ if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
+ set_par_n != set_par_d)
+ gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
+ set_par_n, set_par_d, NULL);
+ goto done;
+ }
+
+ /* If all fails we can't keep the DAR and take the nearest values
+ * for everything from the first try */
+ gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height",
+ G_TYPE_INT, set_h, NULL);
+ if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
+ set_par_n != set_par_d)
+ gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
+ set_par_n, set_par_d, NULL);
+ }
+ }
+
+done:
+ if (to_par == &tpar)
+ g_value_unset (&tpar);
+
+ return ret;
+
+ /* ERRORS */
+overflow_error:
+ {
+ ret = FALSE;
+ GST_ELEMENT_ERROR (thiz, CORE, NEGOTIATION, (NULL),
+ ("Error calculating the output scaled size - integer overflow"));
+ goto done;
+ }
+}
+
+static gboolean
+set_multiview_mode (GstMsdkVPP * thiz, GstVideoInfo * vinfo,
+ GstStructure * outs)
+{
+ const gchar *caps_str;
+
+ caps_str =
+ gst_video_multiview_mode_to_caps_string (GST_VIDEO_INFO_MULTIVIEW_MODE
+ (vinfo));
+ if (!caps_str)
+ return TRUE;
+
+ gst_structure_set (outs, "multiview-mode", G_TYPE_STRING, caps_str,
+ "multiview-flags", GST_TYPE_VIDEO_MULTIVIEW_FLAGSET,
+ GST_VIDEO_INFO_MULTIVIEW_FLAGS (vinfo), GST_FLAG_SET_MASK_EXACT, NULL);
+
+ if (GST_VIDEO_INFO_VIEWS (vinfo) > 1) {
+ gst_structure_set (outs, "views", G_TYPE_INT, GST_VIDEO_INFO_VIEWS (vinfo),
+ NULL);
+ }
+ return TRUE;
+}
+
+static GstCaps *
+_get_preferred_src_caps (GstMsdkVPP * thiz, GstVideoInfo * vinfo,
+ GstCaps * srccaps)
+{
+ GstStructure *structure;
+ GstCaps *outcaps;
+
+ structure = gst_caps_get_structure (srccaps, 0);
+
+ /* make a copy */
+ structure = gst_structure_copy (structure);
+
+ /* Fixate the format */
+ if (!gst_structure_fixate_field (structure, "format"))
+ goto fixate_failed;
+
+ /* Fixate the frame size */
+ if (!fixate_output_frame_size (thiz, vinfo, structure))
+ goto fixate_failed;
+
+ /* Fixate the framerate */
+ gst_structure_set (structure, "framerate", GST_TYPE_FRACTION,
+ GST_VIDEO_INFO_FPS_N (vinfo), GST_VIDEO_INFO_FPS_D (vinfo), NULL);
+
+ /* set multiview mode based on input caps */
+ if (!set_multiview_mode (thiz, vinfo, structure))
+ goto fixate_failed;
+
+ /*Fixme: Set colorimetry and interlace mode */
+
+ outcaps = gst_caps_new_empty ();
+ gst_caps_append_structure (outcaps, structure);
+
+ return outcaps;
+
+ /* ERRORS */
+fixate_failed:
+ {
+ GST_WARNING_OBJECT (thiz, "Could not fixate src caps");
+ gst_structure_free (structure);
+ return NULL;
+ }
+}
+
+/**
+ * gst_msdkvpp_fixate_srccaps:
+ * @vpp: a #GstMsdkVPP instance
+ * @sinkcaps: fixed #GstCaps from sink pad
+ * @srccaps: #GstCaps from src pad to fixate
+ *
+ * Given @srccaps and @sinkcaps returns a new allocated #GstCaps with
+ * the fixated caps for the src pad.
+ *
+ * Returns: A new allocated #GstCaps
+ **/
+GstCaps *
+gst_msdkvpp_fixate_srccaps (GstMsdkVPP * msdkvpp,
+ GstCaps * sinkcaps, GstCaps * srccaps)
+{
+ GstVideoInfo vi;
+ if (!gst_video_info_from_caps (&vi, sinkcaps))
+ return NULL;
+ return _get_preferred_src_caps (msdkvpp, &vi, srccaps);
+}
projects / platform / upstream / gstreamer.git / commitdiff