yuv4mpeg: reject unsupported codecs

The muxer already rejects unsupported pixel formats, reject also
unsupported codecs to prevent dangerous misuses.
(cherry picked from commit 424b1e7642)

Conflicts:

	libavformat/yuv4mpeg.c

Signed-off-by: Reinhard Tartler <siretart@tauware.de>
This commit is contained in:
Luca Barbato 2012-10-26 22:55:04 +02:00 committed by Reinhard Tartler
parent 9837f19693
commit abe345251a

View File

@ -155,6 +155,11 @@ static int yuv4_write_header(AVFormatContext *s)
if (s->nb_streams != 1)
return AVERROR(EIO);
if (s->streams[0]->codec->codec_id != CODEC_ID_RAWVIDEO) {
av_log(s, AV_LOG_ERROR, "ERROR: Only rawvideo supported.\n");
return AVERROR_INVALIDDATA;
}
if (s->streams[0]->codec->pix_fmt == PIX_FMT_YUV411P) {
av_log(s, AV_LOG_ERROR, "Warning: generating rarely used 4:1:1 YUV "
"stream, some mjpegtools might not work.\n");