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validate streamid before use

Originally committed as revision 11427 to svn://svn.ffmpeg.org/ffmpeg/trunk
tags/v0.5
Ivo van Poorten 17 years ago
parent
commit
7705cf7e15
1 changed files with 4 additions and 0 deletions
  1. +4
    -0
      libavformat/pva.c

+ 4
- 0
libavformat/pva.c View File

@@ -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");
}


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