[FFmpeg-devel] [PATCH v1] libavformat/mov: ffmpeg can't read mp4 track title metadata

Steven Liu lq at chinaffmpeg.org
Wed Oct 20 05:46:58 EEST 2021



> 2021年10月20日 上午10:38,xutopiaf at gmail.com 写道:
> 
> From: xutopia <xutopiaf at gmail.com>
> 
> Signed-off-by: xutopia <xutopiaf at gmail.com>
> ---
> libavformat/mov.c | 12 +++++++++++-
> 1 file changed, 11 insertions(+), 1 deletion(-)
> 
> diff --git a/libavformat/mov.c b/libavformat/mov.c
> index 57c67e3aac..9673234734 100644
> --- a/libavformat/mov.c
> +++ b/libavformat/mov.c
> @@ -521,7 +521,17 @@ retry:
>             str[str_size] = 0;
>         }
>         c->fc->event_flags |= AVFMT_EVENT_FLAG_METADATA_UPDATED;
> -        av_dict_set(&c->fc->metadata, key, str, 0);
> +
> +        if (c->trak_index >= 0) {
> +            if (c->trak_index < c->fc->nb_streams) {
> +                av_dict_set(&c->fc->streams[c->trak_index]->metadata, key, str, 0);
> +            } else {
> +                av_log(c->fc, AV_LOG_ERROR, "current trck idx=%d > streams=%d\n", c->trak_index, c->fc->nb_streams);
The message looks is used for debug, it is? It should use AV_LOG_DEBUG if yes.
> +            }
> +        } else {
> +            av_dict_set(&c->fc->metadata, key, str, 0);
> +        }
> +        
>         if (*language && strcmp(language, "und")) {
>             snprintf(key2, sizeof(key2), "%s-%s", key, language);
>             av_dict_set(&c->fc->metadata, key2, str, 0);
> -- 
> 2.25.1
> 
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Thanks

Steven Liu



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