[FFmpeg-devel] [PATCH] avcodec/h264_slice: don't copy frame data during error concealment

[Xu, Guangxin]

> -----Original Message-----
> From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of Xu,
> Guangxin
> Sent: Tuesday, March 9, 2021 5:13 PM
> To: FFmpeg development discussions and patches <ffmpeg-
> devel at ffmpeg.org>
> Subject: Re: [FFmpeg-devel] [PATCH] avcodec/h264_slice: don't copy frame
> data during error concealment
> 
> We will test vaapi for this patch.
> 
> But I am more curious about the software decoder behaviors.
> This approach just ref the yuv. Not the intermedia data(like mv,  macroblock
> type) Will it have problem if missed frame selected as colPic (Figure 8-2 in
> spec).
> 
It's no regression for from ffmpeg vaapi. 
And it will fix following frame gap clips for vaapi
MR3_TANDBERG_B 
MR4_TANDBERG_C
MR5_TANDBERG_C