From: Rémi Denis-Courmont <[email protected]>
[Discuss: Should this be in av_vdpau_create_context() instead? That
seems mostly equivalent. In the latter case, av_vdpau_create_context()
would need an extra argument for the AVCodecContext pointer.]
---
libavcodec/vdpau.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/libavcodec/vdpau.c b/libavcodec/vdpau.c
index 0e33739..168a89c 100644
--- a/libavcodec/vdpau.c
+++ b/libavcodec/vdpau.c
@@ -68,8 +68,12 @@ int ff_vdpau_common_init(AVCodecContext *avctx,
VdpDecoderProfile profile,
{
AVVDPAUContext *hwctx = avctx->hwaccel_context;
struct vdpau_context *vdctx = avctx->internal->hwaccel_priv_data;
+ VdpVideoSurfaceQueryCapabilities *surface_query_caps;
+ VdpDecoderQueryCapabilities *decoder_query_caps;
VdpDecoderCreate *create;
VdpStatus status;
+ VdpBool supported;
+ uint32_t max_level, max_mb, max_width, max_height;
#if FF_API_DECODER_VDPAU
if (hwctx->device == VDP_INVALID_HANDLE) {
@@ -79,6 +83,23 @@ int ff_vdpau_common_init(AVCodecContext *avctx,
VdpDecoderProfile profile,
}
#endif
+ surface_query_caps = ff_vdpau_get_proc_address(avctx,
+ VDP_FUNC_ID_VIDEO_SURFACE_QUERY_CAPABILITIES);
+
+ status = surface_query_caps(hwctx->device, VDP_CHROMA_TYPE_420, &supported,
+ &max_width, &max_height);
+ if (status != VDP_STATUS_OK || supported != VDP_TRUE ||
+ max_width < avctx->width || max_height < avctx->height)
+ return AVERROR(ENOTSUP);
+
+ decoder_query_caps = ff_vdpau_get_proc_address(avctx,
+ VDP_FUNC_ID_DECODER_QUERY_CAPABILITIES);
+ status = decoder_query_caps(hwctx->device, profile, &supported, &max_level,
+ &max_mb, &max_width, &max_height);
+ if (status != VDP_STATUS_OK || supported != VDP_TRUE || max_level < level
+ || max_width < avctx->width || max_height < avctx->height)
+ return AVERROR(ENOTSUP);
+
create = ff_vdpau_get_proc_address(avctx, VDP_FUNC_ID_DECODER_CREATE);
status = create(hwctx->device, profile, avctx->width, avctx->height,
--
1.8.1.5
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