[FFmpeg-devel] [PATCH] Fix first_pcr initial update

[Maksym Veremeyenko]

On 02.11.2021 16:59, lance.lmwang at gmail.com wrote:
[...]
>> +    if (!ts->first_dts_checked && dts != AV_NOPTS_VALUE) {
>> +        ts->first_pcr += dts * 300;
>> +        ts->first_dts_checked = 1;
>> +    }
>> +
> 
> I think it's not same as the old code, the first_pcr will add extra delay if copyts is
> 0.
> 

proposed patch extend updating ts->first_pcr not only when copyts is 0 
but when copyts is 1 (*-mpegts_copyts 1* specified)

very similar issue i found at 
http://ffmpeg.org/pipermail/ffmpeg-devel/2019-April/242766.html

-- 
Maksym Veremeyenko