On 09-12-2020 11:06 am, hisunzhenliang at outlook.com wrote: > From: SunZhenliang <hisunzhenliang at outlook.com> > > Just add HEVC's tag in 3gp tag list and it works to support HEVC in > 3gp files. 1) Is there official documentation for this support? 2) Any constraints on codec parameters? Regards, Gyan