diff options
Diffstat (limited to 'libavutil/pixdesc.c')
-rw-r--r-- | libavutil/pixdesc.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/libavutil/pixdesc.c b/libavutil/pixdesc.c index bc446b1fab..d0889b4b38 100644 --- a/libavutil/pixdesc.c +++ b/libavutil/pixdesc.c @@ -1454,3 +1454,15 @@ enum AVPixelFormat av_pix_fmt_desc_get_id(const AVPixFmtDescriptor *desc) return desc - av_pix_fmt_descriptors; } + +int av_pix_fmt_get_chroma_sub_sample(enum AVPixelFormat pix_fmt, + int *h_shift, int *v_shift) +{ + const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt); + if (!desc) + return AVERROR(ENOSYS); + *h_shift = desc->log2_chroma_w; + *v_shift = desc->log2_chroma_h; + + return 0; +} |