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yuv4mpeg: reject unsupported codecs

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The muxer already rejects unsupported pixel formats, reject also
unsupported codecs to prevent dangerous misuses.
This commit is contained in:
Luca Barbato
2012-10-26 22:55:04 +02:00
parent fce4450dec
commit 424b1e7642
1 changed files with 5 additions and 0 deletions
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5
libavformat/yuv4mpeg.c
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@@ -155,6 +155,11 @@ static int yuv4_write_header(AVFormatContext *s)
if (s->nb_streams != 1) if (s->nb_streams != 1)
return AVERROR(EIO); return AVERROR(EIO);
if (s->streams[0]->codec->codec_id != AV_CODEC_ID_RAWVIDEO) {
av_log(s, AV_LOG_ERROR, "ERROR: Only rawvideo supported.\n");
return AVERROR_INVALIDDATA;
}
if (s->streams[0]->codec->pix_fmt == AV_PIX_FMT_YUV411P) { if (s->streams[0]->codec->pix_fmt == AV_PIX_FMT_YUV411P) {
av_log(s, AV_LOG_ERROR, "Warning: generating rarely used 4:1:1 YUV " av_log(s, AV_LOG_ERROR, "Warning: generating rarely used 4:1:1 YUV "
"stream, some mjpegtools might not work.\n"); "stream, some mjpegtools might not work.\n");