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validate streamid before use 

Originally committed as revision 11427 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ivo van Poorten 2008-01-05 22:18:44 +00:00
parent fe332ad66e
commit 7705cf7e15
1 changed files with 4 additions and 0 deletions
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4
libavformat/pva.c
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@ -79,6 +79,10 @@ static int pva_read_packet(AVFormatContext *s, AVPacket *pkt) {
av_log(s, AV_LOG_ERROR, "invalid syncword\n");
return AVERROR(EIO);
}
if (streamid != PVA_VIDEO_PAYLOAD && streamid != PVA_AUDIO_PAYLOAD) {
av_log(s, AV_LOG_ERROR, "invalid streamid\n");
return AVERROR(EIO);
}
if (reserved != 0x55) {
av_log(s, AV_LOG_WARNING, "expected reserved byte to be 0x55\n");
}