---
libavcodec/vdpau.c | 40 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 40 insertions(+)
diff --git a/libavcodec/vdpau.c b/libavcodec/vdpau.c
index d6f7acd..128068e 100644
--- a/libavcodec/vdpau.c
+++ b/libavcodec/vdpau.c
@@ -69,9 +69,13 @@ int ff_vdpau_common_init(AVCodecContext *avctx,
VdpDecoderProfile profile,
{
VDPAUHWContext *hwctx = avctx->hwaccel_context;
VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
+ VdpVideoSurfaceQueryCapabilities *surface_query_caps;
+ VdpDecoderQueryCapabilities *decoder_query_caps;
VdpDecoderCreate *create;
void *func;
VdpStatus status;
+ VdpBool supported;
+ uint32_t max_level, max_mb, max_width, max_height;
/* See vdpau/vdpau.h for alignment constraints. */
uint32_t width = (avctx->coded_width + 1) & ~1;
uint32_t height = (avctx->coded_height + 3) & ~3;
@@ -90,6 +94,42 @@ int ff_vdpau_common_init(AVCodecContext *avctx,
VdpDecoderProfile profile,
vdctx->device = hwctx->device;
vdctx->get_proc_address = hwctx->get_proc_address;
+ if (level < 0)
+ return AVERROR(ENOTSUP);
+
+ status = vdctx->get_proc_address(vdctx->device,
+
VDP_FUNC_ID_VIDEO_SURFACE_QUERY_CAPABILITIES,
+ &func);
+ if (status != VDP_STATUS_OK)
+ return vdpau_error(status);
+ else
+ surface_query_caps = func;
+
+ status = surface_query_caps(vdctx->device, VDP_CHROMA_TYPE_420, &supported,
+ &max_width, &max_height);
+ if (status != VDP_STATUS_OK)
+ return vdpau_error(status);
+ if (supported != VDP_TRUE ||
+ max_width < width || max_height < height)
+ return AVERROR(ENOTSUP);
+
+ status = vdctx->get_proc_address(vdctx->device,
+ VDP_FUNC_ID_DECODER_QUERY_CAPABILITIES,
+ &func);
+ if (status != VDP_STATUS_OK)
+ return vdpau_error(status);
+ else
+ decoder_query_caps = func;
+
+ status = decoder_query_caps(vdctx->device, profile, &supported, &max_level,
+ &max_mb, &max_width, &max_height);
+ if (status != VDP_STATUS_OK)
+ return vdpau_error(status);
+
+ if (supported != VDP_TRUE || max_level < level ||
+ max_width < width || max_height < height)
+ return AVERROR(ENOTSUP);
+
status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_CREATE,
&func);
if (status != VDP_STATUS_OK)
--
1.8.1.5
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