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avcodec/cbs: fix crash in sei_pic_timestamp

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Signed-off-by: Aman Gupta <aman@tmm1.net>
This commit is contained in:
Aman Gupta 2018-10-11 20:42:58 -07:00
parent 64c50c0e97
commit b6c3a02740
1 changed files with 6 additions and 0 deletions
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6
libavcodec/cbs_h264_syntax_template.c
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@ -584,6 +584,12 @@ static int FUNC(sei_pic_timestamp)(CodedBitstreamContext *ctx, RWContext *rw,
}
sps = h264->active_sps;
if (!sps) {
av_log(ctx->log_ctx, AV_LOG_ERROR,
"No active SPS for pic_timestamp.\n");
return AVERROR_INVALIDDATA;
}
if (sps->vui.nal_hrd_parameters_present_flag)
time_offset_length = sps->vui.nal_hrd_parameters.time_offset_length;
else if (sps->vui.vcl_hrd_parameters_present_flag)