[FFmpeg-devel] Re: [PATCH] doc/examples/extract_mvs: fix memory leak in codec context initialization

[Michael Niedermayer via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>]

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Hi 0xBat

On Mon, Jan 05, 2026 at 02:11:42AM +0100, 0xBat via ffmpeg-devel wrote:
> Ensure the allocated AVCodecContext is properly freed if avcodec_parameters_to_context fails.
> 
> Signed-off-by: 0xBat <monsterbat02@gmail.com>
> ---
>  doc/examples/extract_mvs.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/doc/examples/extract_mvs.c b/doc/examples/extract_mvs.c
> index 5603064d72..b5ed2c5549 100644
> --- a/doc/examples/extract_mvs.c
> +++ b/doc/examples/extract_mvs.c
> @@ -109,6 +109,7 @@ static int open_codec_context(AVFormatContext *fmt_ctx, enum AVMediaType type)
>          ret = avcodec_parameters_to_context(dec_ctx, st->codecpar);
>          if (ret < 0) {
>              fprintf(stderr, "Failed to copy codec parameters to codec context\n");
> +            avcodec_free_context(&dec_ctx);
>              return ret;
>          }

will apply

thx

[...]
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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The bravest are surely those who have the clearest vision
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