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Code Issues Releases Activity

avformat/vividas use avpriv_set_pts_info()

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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@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2020-10-21 22:16:37 +02:00
parent 44b18a76b8
commit d5c42b8c08
1 changed files with 5 additions and 2 deletions
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7
libavformat/vividas.c
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@ -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