[FFmpeg-devel] how to add step-to-previous-frame feature to ffplay?

Steven Liu lq at chinaffmpeg.org
Thu Mar 22 09:55:20 EET 2018

> On 22 Mar 2018, at 15:13, 陈 永岗 <cygcq at outlook.com> wrote:
> Hello everyone,
> I'm newbie to ffmpeg, and found ffplay.c is very useful which contains lots of command line operations. If press 's', it will play next frame. However I want to make it support playing previous frame. Where should I start? Any recommendations?

You can reference these documents to get how to contribute to ffmpeg.
Patch welcome :D

> Best regards
> Dom
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