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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-01-22 22:40:38 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-01-22 22:41:09 +0100 |
| commit | 4c9f35bb7c94d20455d3fca3a184b892f1a0aa4e (patch) | |
| tree | 8c0c5c5122efa5e07a0b5a51a17abd1448f87369 | |
| parent | 1bb05797ec27a0a2b921c18466f898b23c4a9740 (diff) | |
| download | ffmpeg-4c9f35bb7c94d20455d3fca3a184b892f1a0aa4e.tar.gz | |
mvdec: use avpriv_set_pts_info() instead of directly setting tb.
Fixes division by 0
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavformat/mvdec.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/libavformat/mvdec.c b/libavformat/mvdec.c index bb1c5d0dd8..80fc466889 100644 --- a/libavformat/mvdec.c +++ b/libavformat/mvdec.c @@ -165,7 +165,8 @@ static int parse_video_var(AVFormatContext *avctx, AVStream *st, const char *nam } av_free(str); } else if (!strcmp(name, "FPS")) { - st->time_base = av_inv_q(var_read_float(pb, size)); + AVRational tb = av_inv_q(var_read_float(pb, size)); + avpriv_set_pts_info(st, 64, tb.num, tb.den); } else if (!strcmp(name, "HEIGHT")) { st->codec->height = var_read_int(pb, size); } else if (!strcmp(name, "PIXEL_ASPECT")) { @@ -250,7 +251,7 @@ static int mv_read_header(AVFormatContext *avctx) if (!vst) return AVERROR(ENOMEM); vst->codec->codec_type = AVMEDIA_TYPE_VIDEO; - vst->time_base = (AVRational){1, 15}; + avpriv_set_pts_info(vst, 64, 1, 15); vst->nb_frames = avio_rb32(pb); v = avio_rb32(pb); switch (v) { |