diff options
| -rw-r--r-- | doc/APIchanges | 3 | ||||
| -rw-r--r-- | libavcodec/vdpau.c | 51 | ||||
| -rw-r--r-- | libavcodec/vdpau.h | 20 | ||||
| -rw-r--r-- | libavcodec/version.h | 2 |
4 files changed, 71 insertions, 5 deletions
diff --git a/doc/APIchanges b/doc/APIchanges index 705501eda8..fce42e3b9d 100644 --- a/doc/APIchanges +++ b/doc/APIchanges @@ -13,6 +13,9 @@ 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 ccb3352028..ea67314f93 100644 --- a/libavcodec/vdpau.c +++ b/libavcodec/vdpau.c @@ -64,6 +64,46 @@ static int vdpau_error(VdpStatus status) } } +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 <vdpau/vdpau.h> 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) { @@ -76,9 +116,9 @@ 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; @@ -99,6 +139,9 @@ 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); @@ -107,7 +150,7 @@ 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 24c3b02c02..4e5c3518e3 100644 --- a/libavcodec/vdpau.h +++ b/libavcodec/vdpau.h @@ -151,6 +151,26 @@ 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. diff --git a/libavcodec/version.h b/libavcodec/version.h index b5d3ce0891..d5393fa530 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 9 +#define LIBAVCODEC_VERSION_MINOR 10 #define LIBAVCODEC_VERSION_MICRO 0 #define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \ |