> On Sep 18, 2020, at 10:33 PM, Zhao Zhili <[email protected]> wrote:
>
> From: Zhao Zhili <[email protected]>
>
> ---
> libavformat/mov.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/libavformat/mov.c b/libavformat/mov.c
> index 9fc0db24d5..f99605c2cd 100644
> --- a/libavformat/mov.c
> +++ b/libavformat/mov.c
> @@ -1475,7 +1475,7 @@ static int mov_read_mvhd(MOVContext *c, AVIOContext
> *pb, MOVAtom atom)
> c->duration = (version == 1) ? avio_rb64(pb) : avio_rb32(pb); /* duration
> */
> // set the AVFormatContext duration because the duration of individual
> tracks
> // may be inaccurate
> - if (c->time_scale > 0 && !c->trex_data)
> + if (!c->trex_data)
> c->fc->duration = av_rescale(c->duration, AV_TIME_BASE,
> c->time_scale);
> avio_rb32(pb); /* preferred scale */
Ping for review.
The always true condition is not obvious in the patch. time_scale is checked a
few lines before explicitly.
1471 if (c->time_scale <= 0) {
1472 av_log(c->fc, AV_LOG_ERROR, "Invalid mvhd time scale %d,
defaulting to 1\n", c->time_scale);
1473 c->time_scale = 1;
1474 }
1475 av_log(c->fc, AV_LOG_TRACE, "time scale = %i\n", c->time_scale);
1476
1477 c->duration = (version == 1) ? avio_rb64(pb) : avio_rb32(pb); /*
duration */
1478 // set the AVFormatContext duration because the duration of individual
tracks
1479 // may be inaccurate
1480 if (c->time_scale > 0 && !c->trex_data)
1481 c->fc->duration = av_rescale(c->duration, AV_TIME_BASE,
c->time_scale);
>
> --
> 2.25.1
>
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