[FFmpeg-devel] [PATCH 3/3] avcodec/avcodec: free decoded_side_data in ff_codec_close() when decoding

Andreas Rheinhardt andreas.rheinhardt at outlook.com
Wed May 1 23:43:41 EEST 2024


James Almer:
> It's set by the library, so it should be freed when closing the context.
> 
> Signed-off-by: James Almer <jamrial at gmail.com>
> ---
>  libavcodec/avcodec.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/libavcodec/avcodec.c b/libavcodec/avcodec.c
> index e560efff6a..189a0a2193 100644
> --- a/libavcodec/avcodec.c
> +++ b/libavcodec/avcodec.c
> @@ -463,7 +463,9 @@ av_cold void ff_codec_close(AVCodecContext *avctx)
>              av_freep(&avctx->coded_side_data[i].data);
>          av_freep(&avctx->coded_side_data);
>          avctx->nb_coded_side_data = 0;
> -    }
> +    } else if (av_codec_is_decoder(avctx->codec))
> +        av_frame_side_data_free(&avctx->decoded_side_data,
> +                                &avctx->nb_decoded_side_data);
>  
>      av_buffer_unref(&avctx->hw_frames_ctx);
>      av_buffer_unref(&avctx->hw_device_ctx);

The documentation actually states that it is "owned and freed by the
encoder" for encoding, so your restriction to decoders is wrong. And
without it, the corresponding code in avcodec_free_context() is redundant.

- Andreas



More information about the ffmpeg-devel mailing list