diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2013-03-20 11:24:11 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-03-20 11:24:11 +0100 |
| commit | 17ebef2fc8094a235c0f30ce247c77659ea86539 (patch) | |
| tree | e5e435fe4269c33888e1f55fc09b32e787e3479e /libavutil/pixdesc.c | |
| parent | db8403d04afc025278f611d43a91429bbfa44026 (diff) | |
| parent | 2c328a907978b61949fd20f7c991803174337855 (diff) | |
| download | ffmpeg-17ebef2fc8094a235c0f30ce247c77659ea86539.tar.gz | |
Merge commit '2c328a907978b61949fd20f7c991803174337855'
* commit '2c328a907978b61949fd20f7c991803174337855':
pixdesc: add a function for counting planes in a pixel format.
avplay: remove the -debug option.
Revert "asfenc: return error on negative timestamp"
Conflicts:
doc/APIchanges
doc/ffplay.texi
ffplay.c
libavutil/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavutil/pixdesc.c')
| -rw-r--r-- | libavutil/pixdesc.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/libavutil/pixdesc.c b/libavutil/pixdesc.c index 1016dbaecb..31363cfb61 100644 --- a/libavutil/pixdesc.c +++ b/libavutil/pixdesc.c @@ -1791,3 +1791,18 @@ int av_pix_fmt_get_chroma_sub_sample(enum AVPixelFormat pix_fmt, return 0; } + +int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt) +{ + const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt); + int i, planes[4] = { 0 }, ret = 0; + + if (!desc) + return AVERROR(EINVAL); + + for (i = 0; i < desc->nb_components; i++) + planes[desc->comp[i].plane] = 1; + for (i = 0; i < FF_ARRAY_ELEMS(planes); i++) + ret += planes[i]; + return ret; +} |