[FFmpeg-devel] [PATCH] avformat/dvdvideodec: use correct format string for menu read error, fixes compiler warning

Andreas Rheinhardt andreas.rheinhardt at outlook.com
Tue Mar 12 17:42:16 EET 2024


Marth64:
> Signed-off-by: Marth64 <marth64 at proxyid.net>
> ---
>  libavformat/dvdvideodec.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/libavformat/dvdvideodec.c b/libavformat/dvdvideodec.c
> index a182f95097..0ae2110cd2 100644
> --- a/libavformat/dvdvideodec.c
> +++ b/libavformat/dvdvideodec.c
> @@ -423,7 +423,7 @@ static int dvdvideo_menu_next_ps_block(AVFormatContext *s, DVDVideoPlaybackState
>  
>      blocks_read = DVDReadBlocks(state->vob_file, state->sector_offset, 1, read_buf);
>      if (blocks_read != 1) {
> -        av_log(s, AV_LOG_ERROR, "Unable to read VOB block: offset=%d blocks_read=%d\n",
> +        av_log(s, AV_LOG_ERROR, "Unable to read VOB block: offset=%d blocks_read=%ld\n",
>                                  state->sector_offset, blocks_read);
>  
>          return AVERROR_INVALIDDATA;

blocks_read is ssize_t and therefore the correct specifier is "%zd", but
unfortunately that is not supported by all implementations (see
SIZE_SPECIFIER in lavu/internal.h). Just use an int64_t instead.

- Andreas



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