#8865: Lost frames when decode by mediacodec
-------------------------------------+-------------------------------------
Reporter: jiyang | Owner: (none)
Type: defect | Status: new
Priority: important | Component: avcodec
Version: git-master | Resolution:
Keywords: mediacodec | Blocked By:
regression |
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by BenjamÃn de la Fuente Ranea):
You are right, the issue is gone with that commit, now it works properly
in the last version of master branch.
Thanks
Replying to [comment:9 quinkblack]:
> I think it's the same bug fixed by this commit:
>
>
> {{{
> commit b1facd11a3cc00362949ea14d9eab30496cf0268
>
> Author: Zhao Zhili <[email protected]>
>
> Date: Wed Oct 19 10:38:41 2022 +0800
>
>
>
> avcodec/mediacodecdec: don't break out if both input and output port
return try again
>
>
>
> At the beginning of decoding, if we feed mediacodec too fast, the
>
> input port will return try again. It takes some time for mediacodec
>
> to consume bitstream and output frame. So the output port also
return
>
> try again. It possible that mediacodec_receive_frame doesn't consume
>
> any AVPacket and no AVFrame is output. Then both
avcodec_send_packet()
>
> and avcodec_receive_frame() return EAGAIN, which shouldn't happen.
>
>
>
> This bug can be produced with decoding benchmark on Pixel 3.
> }}}
>
>
> Please test git master.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/8865#comment:10>
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