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d3d11memory: Implement ID3D11VideoDecoderOutputView pool
Similar to texture-array pool, we can reuse decoder output view since the life time of output view is identical to that of texture-array. In this way, we can avoid frequent output view alloc/free. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1712>
This commit is contained in:
Seungha Yang
parent
04376397eb
commit
a4f324d668
2 changed files with 123 additions and 0 deletions
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@ -187,6 +187,7 @@ struct _GstD3D11AllocatorPrivate
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/* parent texture when array typed memory is used */
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ID3D11Texture2D *texture;
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GArray *array_in_use;
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GArray *decoder_output_view_array;
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GMutex lock;
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GCond cond;
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@ -457,6 +458,9 @@ gst_d3d11_allocator_free (GstAllocator * allocator, GstMemory * mem)
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dmem->shader_resource_view[i] = NULL;
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}
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if (dmem->decoder_output_view)
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ID3D11VideoDecoderOutputView_Release (dmem->decoder_output_view);
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if (dmem->texture)
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ID3D11Texture2D_Release (dmem->texture);
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@ -475,6 +479,8 @@ gst_d3d11_allocator_dispose (GObject * object)
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GstD3D11Allocator *alloc = GST_D3D11_ALLOCATOR (object);
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GstD3D11AllocatorPrivate *priv = alloc->priv;
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g_clear_pointer (&priv->decoder_output_view_array, g_array_unref);
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if (alloc->device && priv->texture) {
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gst_d3d11_device_release_texture (alloc->device, priv->texture);
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priv->texture = NULL;
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@ -735,6 +741,15 @@ error:
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mem->num_render_target_views = 0;
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}
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static void
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gst_d3d11_decoder_output_view_clear (ID3D11VideoDecoderOutputView ** view)
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{
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if (view && *view) {
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ID3D11VideoDecoderOutputView_Release (*view);
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*view = NULL;
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}
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}
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GstMemory *
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gst_d3d11_allocator_alloc (GstD3D11Allocator * allocator,
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const D3D11_TEXTURE2D_DESC * desc, GstD3D11AllocationFlags flags,
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@ -770,6 +785,15 @@ gst_d3d11_allocator_alloc (GstD3D11Allocator * allocator,
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priv->array_in_use = g_array_sized_new (FALSE,
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TRUE, sizeof (guint8), desc->ArraySize);
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g_array_set_size (priv->array_in_use, desc->ArraySize);
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if ((desc->BindFlags & D3D11_BIND_DECODER) == D3D11_BIND_DECODER &&
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!priv->decoder_output_view_array) {
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priv->decoder_output_view_array = g_array_sized_new (FALSE,
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TRUE, sizeof (ID3D11VideoDecoderOutputView *), desc->ArraySize);
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g_array_set_clear_func (priv->decoder_output_view_array,
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(GDestroyNotify) gst_d3d11_decoder_output_view_clear);
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g_array_set_size (priv->decoder_output_view_array, desc->ArraySize);
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}
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}
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for (i = 0; i < desc->ArraySize; i++) {
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@ -945,3 +969,96 @@ gst_d3d11_memory_ensure_render_target_view (GstD3D11Memory * mem)
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return ! !mem->num_render_target_views;
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}
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gboolean
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gst_d3d11_memory_ensure_decoder_output_view (GstD3D11Memory * mem,
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ID3D11VideoDevice * video_device, GUID * decoder_profile)
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{
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GstD3D11Allocator *allocator;
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GstD3D11AllocatorPrivate *priv;
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D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC desc;
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ID3D11VideoDecoderOutputView *view = NULL;
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HRESULT hr;
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g_return_val_if_fail (gst_is_d3d11_memory (GST_MEMORY_CAST (mem)), FALSE);
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g_return_val_if_fail (video_device != NULL, FALSE);
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g_return_val_if_fail (decoder_profile != NULL, FALSE);
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allocator = GST_D3D11_ALLOCATOR (GST_MEMORY_CAST (mem)->allocator);
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priv = allocator->priv;
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if (mem->decoder_output_view) {
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ID3D11VideoDecoderOutputView_GetDesc (mem->decoder_output_view, &desc);
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if (IsEqualGUID (&desc.DecodeProfile, decoder_profile)) {
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return TRUE;
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} else {
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/* Shouldn't happen, but try again anyway */
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GST_WARNING_OBJECT (allocator,
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"Existing view has different decoder profile");
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ID3D11VideoDecoderOutputView_Release (mem->decoder_output_view);
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mem->decoder_output_view = NULL;
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}
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}
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if (!(mem->desc.BindFlags & D3D11_BIND_DECODER)) {
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GST_WARNING_OBJECT (allocator,
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"Need BindFlags, current flag 0x%x", mem->desc.BindFlags);
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return FALSE;
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}
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if (priv->decoder_output_view_array) {
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view = g_array_index (priv->decoder_output_view_array,
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ID3D11VideoDecoderOutputView *, mem->subresource_index);
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if (view) {
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ID3D11VideoDecoderOutputView_GetDesc (view, &desc);
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/* Shouldn't happen because decoder will not reuse this allocator
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* over different codec/profiles */
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if (!IsEqualGUID (&desc.DecodeProfile, decoder_profile)) {
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GST_WARNING_OBJECT (allocator,
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"Existing view has different decoder profile");
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ID3D11VideoDecoderOutputView_Release (view);
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view = NULL;
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g_array_index (priv->decoder_output_view_array,
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ID3D11VideoDecoderOutputView *, mem->subresource_index) = NULL;
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}
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}
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}
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/* Increase refcount and reuse existing view */
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if (view) {
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mem->decoder_output_view = view;
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ID3D11VideoDecoderOutputView_AddRef (view);
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return TRUE;
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}
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desc.DecodeProfile = *decoder_profile;
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desc.ViewDimension = D3D11_VDOV_DIMENSION_TEXTURE2D;
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desc.Texture2D.ArraySlice = mem->subresource_index;
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hr = ID3D11VideoDevice_CreateVideoDecoderOutputView (video_device,
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(ID3D11Resource *) mem->texture, &desc, &mem->decoder_output_view);
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if (!gst_d3d11_result (hr, mem->device)) {
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GST_ERROR_OBJECT (GST_MEMORY_CAST (mem)->allocator,
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"Could not create decoder output view, hr: 0x%x", (guint) hr);
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return FALSE;
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}
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/* Store view array for later reuse */
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if (priv->decoder_output_view_array) {
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view = g_array_index (priv->decoder_output_view_array,
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ID3D11VideoDecoderOutputView *, mem->subresource_index);
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if (view)
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ID3D11VideoDecoderOutputView_Release (view);
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g_array_index (priv->decoder_output_view_array,
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ID3D11VideoDecoderOutputView *, mem->subresource_index) =
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mem->decoder_output_view;
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ID3D11VideoDecoderOutputView_AddRef (mem->decoder_output_view);
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}
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return TRUE;
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}
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@ -113,6 +113,8 @@ struct _GstD3D11Memory
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ID3D11RenderTargetView *render_target_view[GST_VIDEO_MAX_PLANES];
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guint num_render_target_views;
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ID3D11VideoDecoderOutputView *decoder_output_view;
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GstD3D11MemoryType type;
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/* > 0 if this is Array typed memory */
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@ -183,6 +185,10 @@ gboolean gst_d3d11_memory_ensure_shader_resource_view (GstD3D11Memory
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gboolean gst_d3d11_memory_ensure_render_target_view (GstD3D11Memory * mem);
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gboolean gst_d3d11_memory_ensure_decoder_output_view (GstD3D11Memory * mem,
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ID3D11VideoDevice * video_device,
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GUID * decoder_profile);
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G_END_DECLS
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#endif /* __GST_D3D11_MEMORY_H__ */
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