[FFmpeg-devel] [PATCH v2] avcodec/mfenc: set variable frame size flag.

Andreas Rheinhardt andreas.rheinhardt at outlook.com
Sun Jun 19 12:18:14 EEST 2022


Gyan Doshi:
> Default avctx->frame_size is 0 which led to init failure for
> audio MediaFoundation encoders since 827d6fe73d.
> 
> The MF audio encoders accept variable frame size input buffers.
> 
> Fixes #9802
> ---
>  libavcodec/mfenc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/libavcodec/mfenc.c b/libavcodec/mfenc.c
> index 13ed7b3e11..8618e54ea3 100644
> --- a/libavcodec/mfenc.c
> +++ b/libavcodec/mfenc.c
> @@ -1239,7 +1239,7 @@ static int mf_init(AVCodecContext *avctx)
>          FF_CODEC_RECEIVE_PACKET_CB(mf_receive_packet),                         \
>          EXTRA                                                                  \
>          .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HYBRID |           \
> -                          AV_CODEC_CAP_DR1,                                    \
> +                          AV_CODEC_CAP_DR1 | AV_CODEC_CAP_VARIABLE_FRAME_SIZE, \
>          .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE |                       \
>                            FF_CODEC_CAP_INIT_CLEANUP,                           \
>      };

This will add this capability to both audio and video encoders, although
it makes no sense for the latter.

- Andreas


More information about the ffmpeg-devel mailing list