From 2c328a907978b61949fd20f7c991803174337855 Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Sat, 16 Mar 2013 19:37:52 +0100 Subject: pixdesc: add a function for counting planes in a pixel format. --- libavutil/pixdesc.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'libavutil/pixdesc.h') diff --git a/libavutil/pixdesc.h b/libavutil/pixdesc.h index 47e6bb838d..ef93bfed82 100644 --- a/libavutil/pixdesc.h +++ b/libavutil/pixdesc.h @@ -219,5 +219,11 @@ enum AVPixelFormat av_pix_fmt_desc_get_id(const AVPixFmtDescriptor *desc); int av_pix_fmt_get_chroma_sub_sample(enum AVPixelFormat pix_fmt, int *h_shift, int *v_shift); +/** + * @return number of planes in pix_fmt, a negative AVERROR if pix_fmt is not a + * valid pixel format. + */ +int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt); + #endif /* AVUTIL_PIXDESC_H */ -- cgit v1.2.3