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d3d11vp9dec: Drop frames on non-keyframe format change

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... in case of NVIDIA GPU

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1407>
This commit is contained in:
Seungha Yang 2021-12-02 16:26:08 +09:00 committed by GStreamer Marge Bot
parent 2c834b5fc7
commit e87791592e
1 changed files with 12 additions and 0 deletions
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12
subprojects/gst-plugins-bad/sys/d3d11/gstd3d11vp9dec.cpp
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@ -67,6 +67,7 @@
#endif
#include "gstd3d11vp9dec.h"
#include "gstd3d11pluginutils.h"
#include <gst/codecs/gstvp9decoder.h>
#include <string.h>
@ -252,6 +253,7 @@ gst_d3d11_vp9_dec_set_context (GstElement * element, GstContext * context)
static gboolean
gst_d3d11_vp9_dec_open (GstVideoDecoder * decoder)
{
GstVp9Decoder *vp9dec = GST_VP9_DECODER (decoder);
GstD3D11Vp9Dec *self = GST_D3D11_VP9_DEC (decoder);
GstD3D11Vp9DecInner *inner = self->inner;
GstD3D11Vp9DecClass *klass = GST_D3D11_VP9_DEC_GET_CLASS (self);
@ -263,6 +265,16 @@ gst_d3d11_vp9_dec_open (GstVideoDecoder * decoder)
return FALSE;
}
/* XXX: ConfigDecoderSpecific bit 12 indicates whether accelerator can
* support non-keyframe format change or not, but it doesn't seem to be
* reliable, since 1b means that it's supported and 0b indicates it may not be
* supported. Because some GPUs can support it even if the bit 12 is not
* set, do filtering by vendor for now (AMD and Intel looks fine) */
if (gst_d3d11_get_device_vendor (inner->device) ==
GST_D3D11_DEVICE_VENDOR_NVIDIA) {
gst_vp9_decoder_set_non_keyframe_format_change_support (vp9dec, FALSE);
}
return TRUE;
}