[FFmpeg-devel] [PATCH 5/9] avformat/vividas use avpriv_set_pts_info()
Michael Niedermayer
michael at niedermayer.cc
Thu Oct 22 01:37:29 EEST 2020
Fixes: assertion failure
Fixes: 26482/clusterfuzz-testcase-minimized-ffmpeg_dem_VIVIDAS_fuzzer-4905102324006912
Fixes: 26491/clusterfuzz-testcase-minimized-ffmpeg_dem_VIVIDAS_fuzzer-6002953141616640
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
libavformat/vividas.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/libavformat/vividas.c b/libavformat/vividas.c
index 4b2801ef34..999c4a5d1c 100644
--- a/libavformat/vividas.c
+++ b/libavformat/vividas.c
@@ -319,6 +319,8 @@ static int track_header(VividasDemuxContext *viv, AVFormatContext *s, uint8_t *
for (i = 0; i < num_video; i++) {
AVStream *st = avformat_new_stream(s, NULL);
+ int num, den;
+
if (!st)
return AVERROR(ENOMEM);
@@ -331,8 +333,9 @@ static int track_header(VividasDemuxContext *viv, AVFormatContext *s, uint8_t *
off += ffio_read_varlen(pb);
avio_r8(pb); // '3'
avio_r8(pb); // val_7
- st->time_base.num = avio_rl32(pb); // frame_time
- st->time_base.den = avio_rl32(pb); // time_base
+ num = avio_rl32(pb); // frame_time
+ den = avio_rl32(pb); // time_base
+ avpriv_set_pts_info(st, 64, num, den);
st->nb_frames = avio_rl32(pb); // n frames
st->codecpar->width = avio_rl16(pb); // width
st->codecpar->height = avio_rl16(pb); // height
--
2.17.1
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