diff options
Diffstat (limited to 'libavcodec/vdpau.h')
-rw-r--r-- | libavcodec/vdpau.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/libavcodec/vdpau.h b/libavcodec/vdpau.h index 100677902e..a42ca013f2 100644 --- a/libavcodec/vdpau.h +++ b/libavcodec/vdpau.h @@ -170,6 +170,26 @@ int av_vdpau_bind_context(AVCodecContext *avctx, VdpDevice device, VdpGetProcAddress *get_proc_address, unsigned flags); /** + * Gets the parameters to create an adequate VDPAU video surface for the codec + * context using VDPAU hardware decoding acceleration. + * + * @note Behavior is undefined if the context was not successfully bound to a + * VDPAU device using av_vdpau_bind_context(). + * + * @param avctx the codec context being used for decoding the stream + * @param type storage space for the VDPAU video surface chroma type + * (or NULL to ignore) + * @param width storage space for the VDPAU video surface pixel width + * (or NULL to ignore) + * @param height storage space for the VDPAU video surface pixel height + * (or NULL to ignore) + * + * @return 0 on success, a negative AVERROR code on failure. + */ +int av_vdpau_get_surface_parameters(AVCodecContext *avctx, VdpChromaType *type, + uint32_t *width, uint32_t *height); + +/** * Allocate an AVVDPAUContext. * * @return Newly-allocated AVVDPAUContext or NULL on failure. |