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| author | Michael Niedermayer <michael@niedermayer.cc> | 2015-12-17 01:23:43 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2015-12-17 02:07:41 +0100 |
| commit | 6ea7dd25c773145b50eed55c2059647bb086aaca (patch) | |
| tree | dbd2f293780eb0b8892add6af0b24a9927dc9f37 /libavformat/swfenc.c | |
| parent | 25f6ccccd69038f80450351f69b8225df6042d68 (diff) | |
| download | ffmpeg-6ea7dd25c773145b50eed55c2059647bb086aaca.tar.gz | |
avformat/swfenc: Check frama rate before writing it
Fixes assertion failure with ffserver
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat/swfenc.c')
| -rw-r--r-- | libavformat/swfenc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavformat/swfenc.c b/libavformat/swfenc.c index 56d9879017..8d5933e9bf 100644 --- a/libavformat/swfenc.c +++ b/libavformat/swfenc.c @@ -256,6 +256,10 @@ static int swf_write_header(AVFormatContext *s) (will be patched if not streamed) */ put_swf_rect(pb, 0, width * 20, 0, height * 20); + if ((rate * 256LL) / rate_base >= (1<<16)) { + av_log(s, AV_LOG_ERROR, "Invalid (too large) frame rate %d/%d\n", rate, rate_base); + return AVERROR(EINVAL); + } avio_wl16(pb, (rate * 256) / rate_base); /* frame rate */ swf->duration_pos = avio_tell(pb); avio_wl16(pb, (uint16_t)(DUMMY_DURATION * (int64_t)rate / rate_base)); /* frame count */ |