From 424b1e764263b1493de4c34365ef367ddae856db Mon Sep 17 00:00:00 2001
From: Luca Barbato <lu_zero@gentoo.org>
Date: Fri, 26 Oct 2012 22:55:04 +0200
Subject: [PATCH] yuv4mpeg: reject unsupported codecs

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 bdae17b93e..a8077a00f0 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");