diff options
Diffstat (limited to 'libavformat')
| -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 */ |