[vlc-devel] [PATCH] Map AV_CODEC_ID_ASS to VLC_CODEC_SSA

[Zhao Zhili]

> On Dec 25, 2018, at 2:11 PM, zhanghuicuc at 163.com wrote:
> 
> From: Zhang Hui <zhanghui at formovie.cn>
> 
> so we can use libass with avformat for ass subtitles

There is a video filter in FFmpeg based on libass
ffmpeg$ grep 'ass_library_init' -r ./
./libavfilter/vf_subtitles.c:    ass->library = ass_library_init();

I cannot find other modules based on libass in FFmpeg master.

Maybe off-topic, can you elaborate your use case, and does the built-in modules / codec / libass.c works for you?

> ---
> modules/codec/avcodec/fourcc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/modules/codec/avcodec/fourcc.c b/modules/codec/avcodec/fourcc.c
> index 40e98e0..b6c1f3f 100644
> --- a/modules/codec/avcodec/fourcc.c
> +++ b/modules/codec/avcodec/fourcc.c
> @@ -474,6 +474,7 @@ static const struct vlc_avcodec_fourcc spu_codecs[] =
>     { VLC_CODEC_SUBT, AV_CODEC_ID_TEXT },
>     { VLC_CODEC_XSUB, AV_CODEC_ID_XSUB },
>     { VLC_CODEC_SSA, AV_CODEC_ID_SSA },
> +    { VLC_CODEC_SSA, AV_CODEC_ID_ASS },
>     /* AV_CODEC_ID_MOV_TEXT */
>     { VLC_CODEC_BD_PG, AV_CODEC_ID_HDMV_PGS_SUBTITLE },
> #if LIBAVCODEC_VERSION_CHECK( 57, 999, 999, 71, 100 )
> @@ -493,7 +494,6 @@ static const struct vlc_avcodec_fourcc spu_codecs[] =
>     /* ffmpeg only: AV_CODEC_ID_MPL2 */
>     /* ffmpeg only: AV_CODEC_ID_VPLAYER */
>     /* ffmpeg only: AV_CODEC_ID_PJS */
> -    /* ffmpeg only: AV_CODEC_ID_ASS */
> };
> 
> bool GetFfmpegCodec( enum es_format_category_e cat, vlc_fourcc_t i_fourcc,
> -- 
> 1.9.1
> 
> 
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