The muxer already rejects unsupported pixel formats, reject also
unsupported codecs to prevent dangerous misuses.
---
libavformat/yuv4mpeg.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libavformat/yuv4mpeg.c b/libavformat/yuv4mpeg.c
index bdae17b..a8077a0 100644
--- a/libavformat/yuv4mpeg.c
+++ b/libavformat/yuv4mpeg.c
@@ -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 != 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) {
av_log(s, AV_LOG_ERROR, "Warning: generating rarely used 4:1:1 YUV "
"stream, some mjpegtools might not work.\n");
--
1.7.12
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