Re: [FFmpeg-devel] [PATCH 1/1] libavformat/mov.c: Fix "statement will never be executed" warning

[Zhao Zhili <quinkblack@foxmail.com>]

> On Jul 31, 2025, at 09:27, zhaozhenghang <15083277223@163.com> wrote:
> 
> Fix "statement will never be executed" warning that occurs when
> CONFIG_H261_DECODER, CONFIG_H263_DECODER, and CONFIG_MPEG4_DECODER
> are set to 0 by default.

Pushed after rewords on the commit message, thanks.

> 
> Signed-off-by: zhaozhenghang <15083277223@163.com>
> ---
> libavformat/mov.c | 8 ++------
> 1 file changed, 2 insertions(+), 6 deletions(-)
> 
> diff --git a/libavformat/mov.c b/libavformat/mov.c
> index 55b0950b5e..5ff9b5ba1b 100644
> --- a/libavformat/mov.c
> +++ b/libavformat/mov.c
> @@ -5225,18 +5225,14 @@ static int mov_read_trak(MOVContext *c, AVIOContext *pb, MOVAtom atom)
>     }
> 
>     switch (st->codecpar->codec_id) {
> -#if CONFIG_H261_DECODER
>     case AV_CODEC_ID_H261:
> -#endif
> -#if CONFIG_H263_DECODER
>     case AV_CODEC_ID_H263:
> -#endif
> -#if CONFIG_MPEG4_DECODER
>     case AV_CODEC_ID_MPEG4:
> -#endif
>         st->codecpar->width = 0; /* let decoder init width/height */
>         st->codecpar->height= 0;
>         break;
> +    default:
> +        break;
>     }
> 
>     // If the duration of the mp3 packets is not constant, then they could need a parser
> -- 
> 2.50.1.windows.1
> 
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