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| author | Benoit Fouet <benoit.fouet@free.fr> | 2014-09-23 10:07:10 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-09-23 18:24:40 +0200 |
| commit | 6843b9dc78bc966bb30121828ef4f6b6755cf877 (patch) | |
| tree | 10872d34bb1f1946c342f939d9db8b341748ef00 | |
| parent | e5b3112996c3da45aa03b39c5ade375d40d4407d (diff) | |
| download | ffmpeg-6843b9dc78bc966bb30121828ef4f6b6755cf877.tar.gz | |
avformat/riffenc: Filter out "BottomUp" in ff_put_bmp_header()
Fixes Ticket1304
Commit message and extradata size bugfix by commiter
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavformat/riffenc.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/libavformat/riffenc.c b/libavformat/riffenc.c index ef4d399030..2eb2ae1d0e 100644 --- a/libavformat/riffenc.c +++ b/libavformat/riffenc.c @@ -209,11 +209,15 @@ int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc, int flags) void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf, int ignore_extradata) { + int keep_height = enc->extradata_size >= 9 && + !memcmp(enc->extradata + enc->extradata_size - 9, "BottomUp", 9); + int extradata_size = enc->extradata_size - 9*keep_height; + /* size */ - avio_wl32(pb, 40 + (ignore_extradata ? 0 : enc->extradata_size)); + avio_wl32(pb, 40 + (ignore_extradata ? 0 :extradata_size)); avio_wl32(pb, enc->width); //We always store RGB TopDown - avio_wl32(pb, enc->codec_tag ? enc->height : -enc->height); + avio_wl32(pb, enc->codec_tag || keep_height ? enc->height : -enc->height); /* planes */ avio_wl16(pb, 1); /* depth */ @@ -227,9 +231,9 @@ void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc, avio_wl32(pb, 0); if (!ignore_extradata) { - avio_write(pb, enc->extradata, enc->extradata_size); + avio_write(pb, enc->extradata, extradata_size); - if (!for_asf && enc->extradata_size & 1) + if (!for_asf && extradata_size & 1) avio_w8(pb, 0); } } |