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d3d11: Don't register decoders if unavailable

Browse source 
DXVA requires a hardware interface but may not be available,
such as in the case of VMs or when the GPU vendor does not provide a decoder interface.
This commit is contained in:
Seungha Yang 2020-01-11 00:01:55 +09:00
parent 616082d14a
commit e188893963
7 changed files with 129 additions and 6 deletions
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37
sys/d3d11/gstd3d11h264dec.c
View file

@ -1206,3 +1206,40 @@ gst_d3d11_h264_dec_decode_slice (GstH264Decoder * decoder,
return TRUE;
}
void
gst_d3d11_h264_dec_register (GstPlugin * plugin, GstD3D11Device * device,
guint rank)
{
GstD3D11Decoder *decoder;
GstVideoInfo info;
gboolean ret;
static const GUID *supported_profiles[] = {
&GST_GUID_D3D11_DECODER_PROFILE_H264_IDCT_FGT,
&GST_GUID_D3D11_DECODER_PROFILE_H264_VLD_NOFGT,
&GST_GUID_D3D11_DECODER_PROFILE_H264_VLD_FGT
};
decoder = gst_d3d11_decoder_new (device);
if (!decoder) {
GST_WARNING_OBJECT (device, "decoder interface unavailable");
return;
}
/* FIXME: DXVA does not provide API for query supported resolution
* maybe we need some tries per standard resolution (e.g., HD, FullHD ...)
* to check supported resolution */
gst_video_info_set_format (&info, GST_VIDEO_FORMAT_NV12, 1280, 720);
ret = gst_d3d11_decoder_open (decoder, GST_D3D11_CODEC_H264,
&info, NUM_OUTPUT_VIEW, supported_profiles,
G_N_ELEMENTS (supported_profiles));
gst_object_unref (decoder);
if (!ret) {
GST_WARNING_OBJECT (device, "cannot open decoder device");
return;
}
gst_element_register (plugin, "d3d11h264dec", rank, GST_TYPE_D3D11_H264_DEC);
}

4
sys/d3d11/gstd3d11h264dec.h
View file

@ -80,6 +80,10 @@ struct _GstD3D11H264DecClass
GType gst_d3d11_h264_dec_get_type (void);
void gst_d3d11_h264_dec_register (GstPlugin * plugin,
GstD3D11Device * device,
guint rank);
G_END_DECLS
#endif /* __GST_D3D11_H264_DEC_H__ */

35
sys/d3d11/gstd3d11h265dec.c
View file

@ -1423,3 +1423,38 @@ gst_d3d11_h265_dec_decode_slice (GstH265Decoder * decoder,
return TRUE;
}
void
gst_d3d11_h265_dec_register (GstPlugin * plugin, GstD3D11Device * device,
guint rank)
{
GstD3D11Decoder *decoder;
GstVideoInfo info;
gboolean ret;
static const GUID *supported_profiles[] = {
&GST_GUID_D3D11_DECODER_PROFILE_HEVC_VLD_MAIN,
};
decoder = gst_d3d11_decoder_new (device);
if (!decoder) {
GST_WARNING_OBJECT (device, "decoder interface unavailable");
return;
}
/* FIXME: DXVA does not provide API for query supported resolution
* maybe we need some tries per standard resolution (e.g., HD, FullHD ...)
* to check supported resolution */
gst_video_info_set_format (&info, GST_VIDEO_FORMAT_NV12, 1280, 720);
ret = gst_d3d11_decoder_open (decoder, GST_D3D11_CODEC_H265,
&info, NUM_OUTPUT_VIEW, supported_profiles,
G_N_ELEMENTS (supported_profiles));
gst_object_unref (decoder);
if (!ret) {
GST_WARNING_OBJECT (device, "cannot open decoder device");
return;
}
gst_element_register (plugin, "d3d11h265dec", rank, GST_TYPE_D3D11_H265_DEC);
}

4
sys/d3d11/gstd3d11h265dec.h
View file

@ -81,6 +81,10 @@ struct _GstD3D11H265DecClass
GType gst_d3d11_h265_dec_get_type (void);
void gst_d3d11_h265_dec_register (GstPlugin * plugin,
GstD3D11Device * device,
guint rank);
G_END_DECLS
#endif /* __GST_D3D11_H265_DEC_H__ */

35
sys/d3d11/gstd3d11vp9dec.c
View file

@ -1188,3 +1188,38 @@ gst_d3d11_vp9_dec_end_picture (GstVp9Decoder * decoder, GstVp9Picture * picture)
return TRUE;
}
void
gst_d3d11_vp9_dec_register (GstPlugin * plugin, GstD3D11Device * device,
guint rank)
{
GstD3D11Decoder *decoder;
GstVideoInfo info;
gboolean ret;
static const GUID *supported_profiles[] = {
&GST_GUID_D3D11_DECODER_PROFILE_VP9_VLD_PROFILE0,
};
decoder = gst_d3d11_decoder_new (device);
if (!decoder) {
GST_WARNING_OBJECT (device, "decoder interface unavailable");
return;
}
/* FIXME: DXVA does not provide API for query supported resolution
* maybe we need some tries per standard resolution (e.g., HD, FullHD ...)
* to check supported resolution */
gst_video_info_set_format (&info, GST_VIDEO_FORMAT_NV12, 1280, 720);
ret = gst_d3d11_decoder_open (decoder, GST_D3D11_CODEC_VP9,
&info, NUM_OUTPUT_VIEW, supported_profiles,
G_N_ELEMENTS (supported_profiles));
gst_object_unref (decoder);
if (!ret) {
GST_WARNING_OBJECT (device, "cannot open decoder device");
return;
}
gst_element_register (plugin, "d3d11vp9dec", rank, GST_TYPE_D3D11_VP9_DEC);
}

4
sys/d3d11/gstd3d11vp9dec.h
View file

@ -67,6 +67,10 @@ struct _GstD3D11Vp9DecClass
GType gst_d3d11_vp9_dec_get_type (void);
void gst_d3d11_vp9_dec_register (GstPlugin * plugin,
GstD3D11Device * device,
guint rank);
G_END_DECLS
#endif /* __GST_D3D11_VP9_DEC_H__ */

16
sys/d3d11/plugin.c
View file

@ -92,6 +92,8 @@ plugin_init (GstPlugin * plugin)
#ifdef HAVE_DXVA_H
/* DXVA2 API is availble since Windows 8 */
if (gst_d3d11_is_windows_8_or_greater ()) {
GstD3D11Device *device;
GST_DEBUG_CATEGORY_INIT (gst_d3d11_h264_dec_debug,
"d3d11h264dec", 0, "Direct3D11 H.264 Video Decoder");
GST_DEBUG_CATEGORY_INIT (gst_d3d11_vp9_dec_debug,
@ -99,12 +101,14 @@ plugin_init (GstPlugin * plugin)
GST_DEBUG_CATEGORY_INIT (gst_d3d11_h265_dec_debug,
"d3d11h265dec", 0, "Direct3D11 H.265 Video Decoder");
gst_element_register (plugin,
"d3d11h264dec", GST_RANK_SECONDARY, GST_TYPE_D3D11_H264_DEC);
gst_element_register (plugin,
"d3d11vp9dec", GST_RANK_SECONDARY, GST_TYPE_D3D11_VP9_DEC);
gst_element_register (plugin,
"d3d11h265dec", GST_RANK_SECONDARY, GST_TYPE_D3D11_H265_DEC);
device = gst_d3d11_device_new (0);
if (device) {
gst_d3d11_h264_dec_register (plugin, device, GST_RANK_SECONDARY);
gst_d3d11_h265_dec_register (plugin, device, GST_RANK_SECONDARY);
gst_d3d11_vp9_dec_register (plugin, device, GST_RANK_SECONDARY);
gst_object_unref (device);
}
}
#endif