[vlc-devel] [PATCH 1/4] lib/video: provide API to set and get video filters

[Pierre Lamot]

---
 include/vlc/libvlc_media_player.h | 20 ++++++++++++++++++++
 lib/libvlc.sym                    |  2 ++
 lib/video.c                       | 15 +++++++++++++++
 3 files changed, 37 insertions(+)

diff --git a/include/vlc/libvlc_media_player.h b/include/vlc/libvlc_media_player.h
index 958318bce9..a9c62d3e6d 100644
--- a/include/vlc/libvlc_media_player.h
+++ b/include/vlc/libvlc_media_player.h
@@ -1609,6 +1609,26 @@ LIBVLC_API float libvlc_video_get_adjust_float( libvlc_media_player_t *p_mi,
 LIBVLC_API void libvlc_video_set_adjust_float( libvlc_media_player_t *p_mi,
                                                    unsigned option, float value );
 
+/**
+ * Set the active video filter as string.
+ *
+ * \param p_mi libvlc media player instance
+ * \param value colon separated list of plugin names
+ * \version LibVLC 3.0.0 and later.
+ */
+LIBVLC_API void libvlc_video_set_filters(libvlc_media_player_t *p_mi,
+                                          const char *psz_value );
+
+/**
+ * Get the active video filter as string.
+ *
+ * \param p_mi libvlc media player instance
+ * \return colon separated list of plugin names
+ * \version LibVLC 3.0.0 and later.
+ */
+LIBVLC_API const char *libvlc_video_get_filters( libvlc_media_player_t *p_mi );
+
+
 /** @} video */
 
 /** \defgroup libvlc_audio LibVLC audio controls
diff --git a/lib/libvlc.sym b/lib/libvlc.sym
index caa55981bf..b768cc919d 100644
--- a/lib/libvlc.sym
+++ b/lib/libvlc.sym
@@ -248,6 +248,7 @@ libvlc_video_get_crop_geometry
 libvlc_video_get_size
 libvlc_video_get_height
 libvlc_video_get_cursor
+libvlc_video_get_filters
 libvlc_video_get_logo_int
 libvlc_video_get_marquee_int
 libvlc_video_get_marquee_string
@@ -268,6 +269,7 @@ libvlc_video_set_aspect_ratio
 libvlc_video_set_callbacks
 libvlc_video_set_crop_geometry
 libvlc_video_set_deinterlace
+libvlc_video_set_filters
 libvlc_video_set_format
 libvlc_video_set_format_callbacks
 libvlc_video_set_key_input
diff --git a/lib/video.c b/lib/video.c
index f6e16ba601..7450e92fc4 100644
--- a/lib/video.c
+++ b/lib/video.c
@@ -1079,3 +1079,18 @@ float libvlc_video_get_adjust_float( libvlc_media_player_t *p_mi,
 {
     return get_float( p_mi, "adjust", adjust_option_bynumber(option) );
 }
+
+
+void libvlc_video_set_filters( libvlc_media_player_t *p_mi,
+                               const char *psz_value )
+{
+    static const opt_t opt = { "video-filter", VLC_VAR_STRING };
+    set_value( p_mi, "video-filter", &opt, VLC_VAR_STRING,
+               &(vlc_value_t) { .psz_string = (char *)psz_value }, false );
+}
+
+const char *libvlc_video_get_filters( libvlc_media_player_t *p_mi)
+{
+    static const opt_t opt = { "video-filter", VLC_VAR_STRING };
+    return get_string( p_mi, "video-filter", &opt );
+}
-- 
2.14.1