[vlc-devel] [PATCH] lib: add libvlc_video_get_spu_text_scale API

Steve Lhomme robux4 at ycbcr.xyz
Mon Jan 25 06:26:54 UTC 2021


LGTM

On 2020-10-27 12:08, Felix Paul Kühne wrote:
> From: Felix Paul Kühne <felix at feepk.net>
> 
> This complements 67c4ffd5.
> ---
>   include/vlc/libvlc_media_player.h | 11 +++++++++++
>   lib/libvlc.sym                    |  1 +
>   lib/video.c                       | 12 ++++++++++++
>   3 files changed, 24 insertions(+)
> 
> diff --git a/include/vlc/libvlc_media_player.h b/include/vlc/libvlc_media_player.h
> index fea7034644..a017d6c1cf 100644
> --- a/include/vlc/libvlc_media_player.h
> +++ b/include/vlc/libvlc_media_player.h
> @@ -1648,6 +1648,17 @@ LIBVLC_API int libvlc_video_update_viewpoint( libvlc_media_player_t *p_mi,
>    */
>   LIBVLC_API int64_t libvlc_video_get_spu_delay( libvlc_media_player_t *p_mi );
>   
> +/**
> + * Get the current subtitle text scale
> + *
> + * The scale factor is expressed as a percentage of the default size, where
> + * 1.0 represents 100 percent.
> + *
> + * \param p_mi media player
> + * \version LibVLC 4.0.0 or later
> + */
> +LIBVLC_API float libvlc_video_get_spu_text_scale( libvlc_media_player_t *p_mi );
> +
>   /**
>    * Set the subtitle text scale.
>    *
> diff --git a/lib/libvlc.sym b/lib/libvlc.sym
> index 2bb67eccf8..5d9713cdb3 100644
> --- a/lib/libvlc.sym
> +++ b/lib/libvlc.sym
> @@ -239,6 +239,7 @@ libvlc_video_get_spu
>   libvlc_video_get_spu_count
>   libvlc_video_get_spu_delay
>   libvlc_video_get_spu_description
> +libvlc_video_get_spu_text_scale
>   libvlc_video_get_teletext
>   libvlc_video_get_track
>   libvlc_video_get_track_count
> diff --git a/lib/video.c b/lib/video.c
> index e06adf143b..d3cba035d8 100644
> --- a/lib/video.c
> +++ b/lib/video.c
> @@ -368,6 +368,18 @@ int libvlc_video_set_spu_delay( libvlc_media_player_t *p_mi,
>       return 0;
>   }
>   
> +float libvlc_video_get_spu_text_scale( libvlc_media_player_t *p_mi )
> +{
> +    vlc_player_t *player = p_mi->player;
> +    vlc_player_Lock(player);
> +
> +    unsigned scale = vlc_player_GetSubtitleTextScale(player);
> +
> +    vlc_player_Unlock(player);
> +
> +    return scale / 100.f;
> +}
> +
>   void libvlc_video_set_spu_text_scale( libvlc_media_player_t *p_mi,
>                                         float f_scale )
>   {
> -- 
> 2.24.3 (Apple Git-128)
> 
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