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

[Rémi Denis-Courmont]

A float ratio would seem more natural than an integer percentage.

Le 19 avril 2020 11:14:32 GMT+03:00, Mark Lee <mark.lee at capricasoftware.co.uk> a écrit :
>---
> include/vlc/libvlc_media_player.h |  9 +++++++++
> lib/libvlc.sym                    |  1 +
> lib/video.c                       | 11 +++++++++++
> 3 files changed, 21 insertions(+)
>
>diff --git a/include/vlc/libvlc_media_player.h
>b/include/vlc/libvlc_media_player.h
>index 5e0255a10a..8ebe37d4fa 100644
>--- a/include/vlc/libvlc_media_player.h
>+++ b/include/vlc/libvlc_media_player.h
>@@ -1544,6 +1544,15 @@ LIBVLC_API int libvlc_video_set_spu(
>libvlc_media_player_t *p_mi, int i_spu );
>  */
>LIBVLC_API int64_t libvlc_video_get_spu_delay( libvlc_media_player_t
>*p_mi );
> 
>+/**
>+ * Set the subtitle text scale.
>+ *
>+ * \param p_mi media player
>+ * \param scale scale factor in the range [10;500] (default: 100)
>+ * \version LibVLC 4.0.0 or later
>+ */
>+LIBVLC_API void libvlc_video_set_spu_text_scale( libvlc_media_player_t
>*p_mi, unsigned scale );
>+
> /**
>* Set the subtitle delay. This affects the timing of when the subtitle
>will
>* be displayed. Positive values result in subtitles being displayed
>later,
>diff --git a/lib/libvlc.sym b/lib/libvlc.sym
>index 67e4dcf748..5623ec87d5 100644
>--- a/lib/libvlc.sym
>+++ b/lib/libvlc.sym
>@@ -248,6 +248,7 @@ libvlc_video_set_mouse_input
> libvlc_video_set_scale
> libvlc_video_set_spu
> libvlc_video_set_spu_delay
>+libvlc_video_set_spu_text_scale
> libvlc_video_set_teletext
> libvlc_video_set_track
> libvlc_video_take_snapshot
>diff --git a/lib/video.c b/lib/video.c
>index 6f8e6d7f59..8a020c3dd7 100644
>--- a/lib/video.c
>+++ b/lib/video.c
>@@ -362,6 +362,17 @@ int libvlc_video_set_spu_delay(
>libvlc_media_player_t *p_mi,
>     return 0;
> }
> 
>+void libvlc_video_set_spu_text_scale( libvlc_media_player_t *p_mi,
>+                                      unsigned scale)
>+{
>+    vlc_player_t *player = p_mi->player;
>+    vlc_player_Lock(player);
>+
>+    vlc_player_SetSubtitleTextScale(player, scale);
>+
>+    vlc_player_Unlock(player);
>+}
>+
> static void libvlc_video_set_crop(libvlc_media_player_t *mp,
>                                   const char *geometry)
> {
>-- 
>2.17.1
>
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