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d3d11decoder: Create decoder output view whenever it's required

Browse source 
Whatever the reason, buffer in pool might be freed then we need to
configure decoder output views again.
This commit is contained in:
Seungha Yang 2020-02-04 01:00:00 +09:00 committed by GStreamer Merge Bot
parent 567575e33d
commit 69f7f958a0
1 changed files with 42 additions and 75 deletions
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117
sys/d3d11/gstd3d11decoder.c
View file

@ -50,6 +50,8 @@ struct _GstD3D11DecoderPrivate
/* for staging */
ID3D11Texture2D *staging;
D3D11_TEXTURE2D_DESC staging_desc;
GUID decoder_profile;
};
#define OUTPUT_VIEW_QUARK _decoder_output_view_get()
@ -298,86 +300,48 @@ gst_d3d11_decoder_output_view_free (GstD3D11DecoderOutputView * view)
}
static gboolean
gst_d3d11_decoder_prepare_output_view (GstD3D11Decoder * self,
GstBufferPool * pool, guint pool_size, const GUID * decoder_profile)
gst_d3d11_decoder_ensure_output_view (GstD3D11Decoder * self,
GstBuffer * buffer)
{
GstD3D11DecoderPrivate *priv = self->priv;
GstBuffer **list = NULL;
D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC view_desc = { 0, };
guint i;
GstD3D11Memory *mem;
GstD3D11DecoderOutputView *view;
ID3D11VideoDecoderOutputView *view_handle;
HRESULT hr;
view_desc.DecodeProfile = *decoder_profile;
mem = (GstD3D11Memory *) gst_buffer_peek_memory (buffer, 0);
view = (GstD3D11DecoderOutputView *)
gst_mini_object_get_qdata (GST_MINI_OBJECT_CAST (mem), OUTPUT_VIEW_QUARK);
if (view)
return TRUE;
view_desc.DecodeProfile = priv->decoder_profile;
view_desc.ViewDimension = D3D11_VDOV_DIMENSION_TEXTURE2D;
view_desc.Texture2D.ArraySlice = mem->subresource_index;
list = g_newa (GstBuffer *, pool_size);
memset (list, 0, sizeof (GstBuffer *) * pool_size);
GST_LOG_OBJECT (self,
"Create decoder output view with index %d", mem->subresource_index);
/* create output view here */
for (i = 0; i < pool_size; i++) {
GstFlowReturn ret;
GstBuffer *buf = NULL;
GstD3D11Memory *mem;
GstD3D11DecoderOutputView *view;
ID3D11VideoDecoderOutputView *view_handle;
HRESULT hr;
ID3D11Texture2D *texture;
GstD3D11Allocator *allocator;
ret = gst_buffer_pool_acquire_buffer (pool, &buf, NULL);
if (ret != GST_FLOW_OK || !buf) {
GST_ERROR_OBJECT (self, "Could acquire buffer from pool");
goto error;
}
list[i] = buf;
mem = (GstD3D11Memory *) gst_buffer_peek_memory (buf, 0);
allocator = GST_D3D11_ALLOCATOR (GST_MEMORY_CAST (mem)->allocator);
texture = allocator->texture;
if (!texture) {
GST_ERROR_OBJECT (self, "D3D11 allocator does not have texture");
goto error;
}
view_desc.Texture2D.ArraySlice = mem->subresource_index;
GST_LOG_OBJECT (self,
"Create decoder output view with index %d", mem->subresource_index);
hr = ID3D11VideoDevice_CreateVideoDecoderOutputView (priv->video_device,
(ID3D11Resource *) texture, &view_desc, &view_handle);
if (!gst_d3d11_result (hr, priv->device)) {
GST_ERROR_OBJECT (self,
"Could not create decoder output view, hr: 0x%x", (guint) hr);
goto error;
}
view = g_new0 (GstD3D11DecoderOutputView, 1);
view->device = gst_object_ref (priv->device);
view->handle = view_handle;
view->view_id = mem->subresource_index;
gst_mini_object_set_qdata (GST_MINI_OBJECT_CAST (mem), OUTPUT_VIEW_QUARK,
view, (GDestroyNotify) gst_d3d11_decoder_output_view_free);
hr = ID3D11VideoDevice_CreateVideoDecoderOutputView (priv->video_device,
(ID3D11Resource *) mem->texture, &view_desc, &view_handle);
if (!gst_d3d11_result (hr, priv->device)) {
GST_ERROR_OBJECT (self,
"Could not create decoder output view, hr: 0x%x", (guint) hr);
return FALSE;
}
/* return buffers to pool */
for (i = 0; i < pool_size; i++) {
gst_buffer_unref (list[i]);
}
view = g_new0 (GstD3D11DecoderOutputView, 1);
view->device = gst_object_ref (priv->device);
view->handle = view_handle;
view->view_id = mem->subresource_index;
gst_mini_object_set_qdata (GST_MINI_OBJECT_CAST (mem), OUTPUT_VIEW_QUARK,
view, (GDestroyNotify) gst_d3d11_decoder_output_view_free);
return TRUE;
error:
if (list) {
for (i = 0; i < pool_size; i++) {
if (list[i])
gst_buffer_unref (list[i]);
}
}
return FALSE;
}
/* Must be called from D3D11Device thread */
@ -434,11 +398,6 @@ gst_d3d11_decoder_prepare_output_view_pool (GstD3D11Decoder * self,
goto error;
}
if (!gst_d3d11_decoder_prepare_output_view (self,
pool, pool_size, decoder_profile)) {
goto error;
}
priv->internal_pool = pool;
return TRUE;
@ -651,6 +610,7 @@ gst_d3d11_decoder_open (GstD3D11Decoder * decoder, GstD3D11Codec codec,
goto error;
}
priv->decoder_profile = *selected_profile;
decoder->opened = TRUE;
gst_d3d11_device_unlock (priv->device);
@ -827,7 +787,14 @@ gst_d3d11_decoder_get_output_view_buffer (GstD3D11Decoder * decoder)
if (ret != GST_FLOW_OK || !buf) {
GST_ERROR_OBJECT (decoder, "Couldn't get buffer from pool, ret %s",
gst_flow_get_name (ret));
return FALSE;
return NULL;
}
if (!gst_d3d11_decoder_ensure_output_view (decoder, buf)) {
GST_ERROR_OBJECT (decoder, "Output view unavailable");
gst_buffer_unref (buf);
return NULL;
}
return buf;