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msdkdec: Add a function to create va pool
Add a pool creation function name as 2 for later use which will create va pool for video memory in linux and keep system pool for windows. This gst_msdkdec_create_buffer_pool2 will replace gst_msdkdec_create_buffer_pool when all the memory allocation modifications are ready in the commits after. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3439>
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parent
8459349963
commit
75efb204e5
2 changed files with 107 additions and 6 deletions
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@ -582,6 +582,7 @@ gst_msdkdec_init_decoder (GstMsdkDec * thiz)
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#endif
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gst_msdk_frame_alloc (thiz->context, &request, &thiz->alloc_resp);
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thiz->alloc_pool = gst_msdk_context_get_alloc_pool (thiz->context);
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}
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/* update the prealloc_buffer count, which will be used later
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@ -1009,12 +1010,7 @@ gst_msdkdec_finish_task (GstMsdkDec * thiz, MsdkDecTask * task)
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GST_MINI_OBJECT_FLAG_SET (surface->buf, GST_MINI_OBJECT_FLAG_LOCKABLE);
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frame->output_buffer = gst_buffer_ref (surface->buf);
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} else {
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if (!gst_video_frame_copy (&surface->copy, &surface->data)) {
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GST_ERROR_OBJECT (thiz, "Failed to copy surface data");
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gst_video_frame_unmap (&surface->copy);
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gst_video_frame_unmap (&surface->data);
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return GST_FLOW_ERROR;
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}
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gst_video_frame_copy (&surface->copy, &surface->data);
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frame->output_buffer = gst_buffer_ref (surface->copy.buffer);
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unmap_frame (thiz, surface);
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}
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@ -1800,6 +1796,105 @@ error_pool_config:
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}
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}
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#ifndef _WIN32
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static GstBufferPool *
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gst_msdk_create_va_pool (GstMsdkDec * thiz, GstVideoInfo * info,
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guint num_buffers)
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{
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GstBufferPool *pool = NULL;
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GstAllocator *allocator;
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GArray *formats = NULL;
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GstAllocationParams alloc_params = { 0, 31, 0, 0 };
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GstVaDisplay *display = NULL;
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GstCaps *caps = NULL;
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display = (GstVaDisplay *) gst_msdk_context_get_va_display (thiz->context);
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if (thiz->use_dmabuf)
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allocator = gst_va_dmabuf_allocator_new (display);
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else {
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formats = g_array_new (FALSE, FALSE, sizeof (GstVideoFormat));
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g_array_append_val (formats, GST_VIDEO_INFO_FORMAT (info));
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allocator = gst_va_allocator_new (display, formats);
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}
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if (!allocator) {
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GST_ERROR_OBJECT (thiz, "Failed to create allocator");
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if (formats)
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g_array_unref (formats);
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return NULL;
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}
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caps = gst_video_info_to_caps (info);
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pool =
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gst_va_pool_new_with_config (caps,
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GST_VIDEO_INFO_SIZE (info), num_buffers, num_buffers,
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VA_SURFACE_ATTRIB_USAGE_HINT_DECODER, GST_VA_FEATURE_AUTO,
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allocator, &alloc_params);
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gst_object_unref (allocator);
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gst_caps_unref (caps);
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GST_LOG_OBJECT (thiz, "Creating va pool");
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return pool;
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}
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#endif
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static GstBufferPool *
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gst_msdkdec_create_buffer_pool2 (GstMsdkDec * thiz, GstVideoInfo * info,
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guint num_buffers)
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{
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GstBufferPool *pool = NULL;
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GstStructure *config;
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GstCaps *caps;
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GstVideoAlignment align;
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GstVideoInfo vinfo = *info;
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gst_msdk_set_video_alignment (&vinfo, 0, 0, &align);
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gst_video_info_align (&vinfo, &align);
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if (thiz->do_copy)
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pool = gst_video_buffer_pool_new ();
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else {
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#ifndef _WIN32
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pool = gst_msdk_create_va_pool (thiz, &vinfo, num_buffers);
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#else
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if (!thiz->use_video_memory)
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pool = gst_video_buffer_pool_new ();
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else
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GST_ERROR_OBJECT (thiz, "D3D11 video memory pool not implemented");
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#endif
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}
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if (!pool)
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goto error_no_pool;
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caps = gst_video_info_to_caps (&vinfo);
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config = gst_buffer_pool_get_config (GST_BUFFER_POOL_CAST (pool));
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gst_buffer_pool_config_set_params (config, caps,
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GST_VIDEO_INFO_SIZE (&vinfo), num_buffers, 0);
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gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META);
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gst_buffer_pool_config_add_option (config,
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GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT);
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gst_buffer_pool_config_set_video_alignment (config, &align);
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if (!gst_buffer_pool_set_config (pool, config))
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goto error_pool_config;
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return pool;
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error_no_pool:
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{
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GST_INFO_OBJECT (thiz, "Failed to create bufferpool");
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return NULL;
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}
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error_pool_config:
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{
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GST_INFO_OBJECT (thiz, "Failed to set config");
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gst_object_unref (pool);
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return NULL;
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}
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}
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static gboolean
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gst_msdkdec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query)
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{
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@ -1927,6 +2022,10 @@ gst_msdkdec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query)
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GST_VIDEO_INFO_WIDTH (&output_state->info);
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GST_VIDEO_INFO_HEIGHT (&thiz->non_msdk_pool_info) =
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GST_VIDEO_INFO_HEIGHT (&output_state->info);
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/* When downstream allocator is unknown and negotiaed caps is raw,
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* we need to create other pool with system memory for copy use
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*/
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gst_video_codec_state_unref (output_state);
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}
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@ -70,11 +70,13 @@ struct _GstMsdkDec
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/* aligned msdk pool info */
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GstBufferPool *pool;
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GstBufferPool *alloc_pool;
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GstBufferPool *other_pool;
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/* downstream pool info based on allocation query */
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GstVideoInfo non_msdk_pool_info;
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mfxFrameAllocResponse alloc_resp;
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gboolean use_video_memory;
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gboolean use_dmabuf;
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gboolean do_copy;
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gboolean initialized;
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gboolean sfc;
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gboolean ds_has_no_msdk_allocator;
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