> On Jan 4, 2023, at 18:16, Anton Khirnov <an...@khirnov.net> wrote:
> 
> Does this mean the encoder will produce packets with dts=AV_NOPTS_VALUE?

MediaCodec should not encode B frames by default, so dts = pts by default.
B frames can be enabled explicitly, in that case dts is AV_NOPTS_VALUE.

Android system’s MP4 muxer works very hard to recreate dts to workaround
the limitation of MediaCodec API. It create ‘valid’ but almost useless
files with a lot of jitters.

> 
> -- 
> Anton Khirnov
> 

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