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| author | Martin Storsjö <martin@martin.st> | 2013-09-28 23:42:40 +0300 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2013-09-29 19:58:56 +0300 |
| commit | 9fc7184d1a9af8d97b3fc5c2ef9d0a647d6617ea (patch) | |
| tree | 1490e3e532bcdb0d829ec5aae123e1386c9592fd | |
| parent | a9221e39600a31ee13e736e9e47743cde23f0280 (diff) | |
| download | ffmpeg-9fc7184d1a9af8d97b3fc5c2ef9d0a647d6617ea.tar.gz | |
bfi: Avoid divisions by zero
If a zero-length video packet is to be returned, just return
AVERROR(EAGAIN) and switch back to the audio stream.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
| -rw-r--r-- | libavformat/bfi.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/libavformat/bfi.c b/libavformat/bfi.c index e60bbf4cab..5d7ccb85e6 100644 --- a/libavformat/bfi.c +++ b/libavformat/bfi.c @@ -140,9 +140,7 @@ static int bfi_read_packet(AVFormatContext * s, AVPacket * pkt) pkt->pts = bfi->audio_frame; bfi->audio_frame += ret; - } - - else { + } else if (bfi->video_size > 0) { //Tossing a video packet at the video decoder. ret = av_get_packet(pb, pkt, bfi->video_size); @@ -154,6 +152,9 @@ static int bfi_read_packet(AVFormatContext * s, AVPacket * pkt) /* One less frame to read. A cursory decrement. */ bfi->nframes--; + } else { + /* Empty video packet */ + ret = AVERROR(EAGAIN); } bfi->avflag = !bfi->avflag; |