diff --git a/doc/APIchanges b/doc/APIchanges index 5135464729..338e314102 100644 --- a/doc/APIchanges +++ b/doc/APIchanges @@ -15,6 +15,9 @@ libavutil: 2014-08-09 API changes, most recent first: +201x-xx-xx - xxxxxxx - lavc 56.10.0 - vdpau.h + Add av_vdpau_get_surface_parameters(). + 201x-xx-xx - xxxxxxx - lavc 56.9.0 - avcodec.h Add AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH flag to av_vdpau_bind_context(). diff --git a/libavcodec/vdpau.c b/libavcodec/vdpau.c index ea239bb311..8577c19b53 100644 --- a/libavcodec/vdpau.c +++ b/libavcodec/vdpau.c @@ -71,6 +71,46 @@ AVVDPAUContext *av_alloc_vdpaucontext(void) MAKE_ACCESSORS(AVVDPAUContext, vdpau_hwaccel, AVVDPAU_Render2, render2) +int av_vdpau_get_surface_parameters(AVCodecContext *avctx, + VdpChromaType *type, + uint32_t *width, uint32_t *height) +{ + VdpChromaType t; + uint32_t w = avctx->coded_width; + uint32_t h = avctx->coded_height; + + /* See for per-type alignment constraints. */ + switch (avctx->sw_pix_fmt) { + case AV_PIX_FMT_YUV420P: + case AV_PIX_FMT_YUVJ420P: + t = VDP_CHROMA_TYPE_420; + w = (w + 1) & ~1; + h = (h + 3) & ~3; + break; + case AV_PIX_FMT_YUV422P: + case AV_PIX_FMT_YUVJ422P: + t = VDP_CHROMA_TYPE_422; + w = (w + 1) & ~1; + h = (h + 1) & ~1; + break; + case AV_PIX_FMT_YUV444P: + case AV_PIX_FMT_YUVJ444P: + t = VDP_CHROMA_TYPE_444; + h = (h + 1) & ~1; + break; + default: + return AVERROR(ENOSYS); + } + + if (type) + *type = t; + if (width) + *width = w; + if (height) + *height = h; + return 0; +} + int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile, int level) { @@ -83,9 +123,9 @@ int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile, 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; + VdpChromaType type; + uint32_t width; + uint32_t height; vdctx->width = UINT32_MAX; vdctx->height = UINT32_MAX; @@ -112,6 +152,9 @@ int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile, else if (level < 0) return AVERROR(ENOTSUP); + if (av_vdpau_get_surface_parameters(avctx, &type, &width, &height)) + return AVERROR(ENOSYS); + status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_VIDEO_SURFACE_QUERY_CAPABILITIES, &func); @@ -120,7 +163,7 @@ int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile, else surface_query_caps = func; - status = surface_query_caps(vdctx->device, VDP_CHROMA_TYPE_420, &supported, + status = surface_query_caps(vdctx->device, type, &supported, &max_width, &max_height); if (status != VDP_STATUS_OK) return vdpau_error(status); diff --git a/libavcodec/vdpau.h b/libavcodec/vdpau.h index 100677902e..a42ca013f2 100644 --- a/libavcodec/vdpau.h +++ b/libavcodec/vdpau.h @@ -169,6 +169,26 @@ void av_vdpau_hwaccel_set_render2(AVVDPAUContext *, AVVDPAU_Render2); 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. * diff --git a/libavcodec/version.h b/libavcodec/version.h index 7e33da02d9..d8c891de22 100644 --- a/libavcodec/version.h +++ b/libavcodec/version.h @@ -29,7 +29,7 @@ #include "libavutil/version.h" #define LIBAVCODEC_VERSION_MAJOR 56 -#define LIBAVCODEC_VERSION_MINOR 18 +#define LIBAVCODEC_VERSION_MINOR 19 #define LIBAVCODEC_VERSION_MICRO 100 #define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \