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d3d11decoder: Use staging buffer pool for non-d3d11 downstream
In specific condition, this can show about 10% ~ 30% performance gain with non-d3d11 downstream element. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1643>
This commit is contained in:
Seungha Yang
parent
06fb2d3937
commit
b22aa14e43
1 changed files with 27 additions and 170 deletions
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@ -1393,140 +1393,11 @@ gst_d3d11_decoder_get_output_view_from_buffer (GstD3D11Decoder * decoder,
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return view;
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}
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static gboolean
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copy_to_system (GstD3D11Decoder * self, GstBuffer * decoder_buffer,
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GstBuffer * output)
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{
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GstVideoFrame out_frame;
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GstVideoInfo *info = &self->output_info;
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guint i;
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GstD3D11Memory *in_mem;
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D3D11_MAPPED_SUBRESOURCE map;
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HRESULT hr;
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ID3D11Texture2D *in_texture;
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guint in_subresource_index;
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ID3D11DeviceContext *device_context =
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gst_d3d11_device_get_device_context_handle (self->device);
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if (!gst_d3d11_decoder_ensure_staging_texture (self)) {
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GST_ERROR_OBJECT (self, "Staging texture is not available");
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return FALSE;
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}
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if (!gst_video_frame_map (&out_frame, info, output, GST_MAP_WRITE)) {
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GST_ERROR_OBJECT (self, "Couldn't map output buffer");
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return FALSE;
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}
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in_mem = (GstD3D11Memory *) gst_buffer_peek_memory (decoder_buffer, 0);
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in_texture = gst_d3d11_memory_get_texture_handle (in_mem);
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in_subresource_index = gst_d3d11_memory_get_subresource_index (in_mem);
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gst_d3d11_device_lock (self->device);
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device_context->CopySubresourceRegion (self->staging, 0, 0, 0, 0,
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in_texture, in_subresource_index, NULL);
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hr = device_context->Map (self->staging, 0, D3D11_MAP_READ, 0, &map);
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if (!gst_d3d11_result (hr, self->device)) {
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GST_ERROR_OBJECT (self, "Failed to map, hr: 0x%x", (guint) hr);
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gst_d3d11_device_unlock (self->device);
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gst_video_frame_unmap (&out_frame);
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return FALSE;
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}
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/* calculate stride and offset only once */
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if (self->stating_texture_stride[0] == 0) {
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D3D11_TEXTURE2D_DESC desc;
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gsize dummy;
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self->staging->GetDesc (&desc);
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gst_d3d11_dxgi_format_get_size (desc.Format, desc.Width, desc.Height,
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map.RowPitch, self->staging_texture_offset,
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self->stating_texture_stride, &dummy);
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}
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for (i = 0; i < GST_VIDEO_FRAME_N_PLANES (&out_frame); i++) {
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guint8 *src, *dst;
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gint j;
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gint width;
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src = (guint8 *) map.pData + self->staging_texture_offset[i];
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dst = (guint8 *) GST_VIDEO_FRAME_PLANE_DATA (&out_frame, i);
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width = GST_VIDEO_FRAME_COMP_WIDTH (&out_frame, i) *
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GST_VIDEO_FRAME_COMP_PSTRIDE (&out_frame, i);
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for (j = 0; j < GST_VIDEO_FRAME_COMP_HEIGHT (&out_frame, i); j++) {
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memcpy (dst, src, width);
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dst += GST_VIDEO_FRAME_PLANE_STRIDE (&out_frame, i);
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src += self->stating_texture_stride[i];
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}
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}
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gst_video_frame_unmap (&out_frame);
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device_context->Unmap (self->staging, 0);
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gst_d3d11_device_unlock (self->device);
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return TRUE;
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}
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static gboolean
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copy_to_d3d11 (GstD3D11Decoder * self, GstBuffer * decoder_buffer,
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GstBuffer * output)
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{
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GstVideoInfo *info = &self->output_info;
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GstD3D11Memory *in_mem;
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GstD3D11Memory *out_mem;
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GstMapInfo out_map;
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D3D11_BOX src_box;
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ID3D11Texture2D *in_texture;
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guint in_subresource_index, out_subresource_index;
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ID3D11DeviceContext *device_context =
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gst_d3d11_device_get_device_context_handle (self->device);
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in_mem = (GstD3D11Memory *) gst_buffer_peek_memory (decoder_buffer, 0);
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out_mem = (GstD3D11Memory *) gst_buffer_peek_memory (output, 0);
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if (!gst_memory_map (GST_MEMORY_CAST (out_mem),
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&out_map, (GstMapFlags) (GST_MAP_WRITE | GST_MAP_D3D11))) {
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GST_ERROR_OBJECT (self, "Couldn't map output d3d11 memory");
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return FALSE;
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}
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gst_d3d11_device_lock (self->device);
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in_texture = gst_d3d11_memory_get_texture_handle (in_mem);
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in_subresource_index = gst_d3d11_memory_get_subresource_index (in_mem);
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src_box.left = 0;
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src_box.top = 0;
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src_box.front = 0;
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src_box.back = 1;
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src_box.right = GST_ROUND_UP_2 (GST_VIDEO_INFO_WIDTH (info));
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src_box.bottom = GST_ROUND_UP_2 (GST_VIDEO_INFO_HEIGHT (info));
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out_subresource_index = gst_d3d11_memory_get_subresource_index (out_mem);
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device_context->CopySubresourceRegion ((ID3D11Resource *) out_map.data,
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out_subresource_index, 0, 0, 0, in_texture, in_subresource_index,
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&src_box);
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gst_d3d11_device_unlock (self->device);
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gst_memory_unmap (GST_MEMORY_CAST (out_mem), &out_map);
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return TRUE;
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}
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gboolean
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gst_d3d11_decoder_process_output (GstD3D11Decoder * decoder,
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GstVideoDecoder * videodec, gint display_width, gint display_height,
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GstBuffer * decoder_buffer, GstBuffer ** output)
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{
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gboolean can_device_copy = TRUE;
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g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
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g_return_val_if_fail (GST_IS_VIDEO_DECODER (videodec), FALSE);
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g_return_val_if_fail (GST_IS_BUFFER (decoder_buffer), FALSE);
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@ -1566,30 +1437,8 @@ gst_d3d11_decoder_process_output (GstD3D11Decoder * decoder,
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return FALSE;
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}
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/* decoder buffer must have single memory */
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if (gst_buffer_n_memory (decoder_buffer) == gst_buffer_n_memory (*output)) {
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GstMemory *mem;
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GstD3D11Memory *dmem;
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mem = gst_buffer_peek_memory (*output, 0);
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if (!gst_is_d3d11_memory (mem)) {
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can_device_copy = FALSE;
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goto do_process;
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}
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dmem = (GstD3D11Memory *) mem;
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if (dmem->device != decoder->device)
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can_device_copy = FALSE;
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} else {
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can_device_copy = FALSE;
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}
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do_process:
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if (can_device_copy) {
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return copy_to_d3d11 (decoder, decoder_buffer, *output);
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}
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return copy_to_system (decoder, decoder_buffer, *output);
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return gst_d3d11_buffer_copy_into (*output,
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decoder_buffer, &decoder->output_info);
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}
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gboolean
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@ -1718,6 +1567,7 @@ gst_d3d11_decoder_decide_allocation (GstD3D11Decoder * decoder,
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GstStructure *config;
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GstD3D11AllocationParams *d3d11_params;
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gboolean use_d3d11_pool;
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gboolean has_videometa;
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g_return_val_if_fail (GST_IS_D3D11_DECODER (decoder), FALSE);
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g_return_val_if_fail (GST_IS_VIDEO_DECODER (videodec), FALSE);
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@ -1735,6 +1585,9 @@ gst_d3d11_decoder_decide_allocation (GstD3D11Decoder * decoder,
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return FALSE;
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}
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has_videometa = gst_query_find_allocation_meta (query,
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GST_VIDEO_META_API_TYPE, nullptr);
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use_d3d11_pool = decoder->downstream_supports_d3d11;
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gst_video_info_from_caps (&vinfo, outcaps);
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@ -1743,7 +1596,8 @@ gst_d3d11_decoder_decide_allocation (GstD3D11Decoder * decoder,
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gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min, &max);
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/* create our own pool */
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if (pool && use_d3d11_pool) {
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if (pool) {
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if (use_d3d11_pool) {
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if (!GST_IS_D3D11_BUFFER_POOL (pool)) {
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GST_DEBUG_OBJECT (videodec,
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"Downstream pool is not d3d11, will create new one");
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@ -1755,11 +1609,17 @@ gst_d3d11_decoder_decide_allocation (GstD3D11Decoder * decoder,
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gst_clear_object (&pool);
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}
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}
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} else if (has_videometa) {
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/* We will use d3d11 staging buffer pool */
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gst_clear_object (&pool);
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}
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}
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if (!pool) {
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if (use_d3d11_pool)
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pool = gst_d3d11_buffer_pool_new (decoder->device);
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else if (has_videometa)
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pool = gst_d3d11_staging_buffer_pool_new (decoder->device);
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else
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pool = gst_video_buffer_pool_new ();
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@ -1837,14 +1697,11 @@ gst_d3d11_decoder_decide_allocation (GstD3D11Decoder * decoder,
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}
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gst_buffer_pool_set_config (pool, config);
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if (use_d3d11_pool) {
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/* d3d11 buffer pool will update buffer size based on allocated texture,
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* get size from config again */
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config = gst_buffer_pool_get_config (pool);
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gst_buffer_pool_config_get_params (config,
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nullptr, &size, nullptr, nullptr);
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gst_buffer_pool_config_get_params (config, nullptr, &size, nullptr, nullptr);
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gst_structure_free (config);
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}
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if (n > 0)
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gst_query_set_nth_allocation_pool (query, 0, pool, size, min, max);
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