vlc | branch: master | Rémi Denis-Courmont <[email protected]> | Mon Jul 27 14:05:37 2015 +0300| [02ace0a0a73ae9ccff56297bce7dc4113d351dec] | committer: Rémi Denis-Courmont
libvlc: expose event for audio volume change (fixes #14568) Cc: Harald Sitter <[email protected]> > http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=02ace0a0a73ae9ccff56297bce7dc4113d351dec --- include/vlc/libvlc_events.h | 6 ++++++ lib/event.c | 1 + lib/media_player.c | 19 +++++++++++++++++++ 3 files changed, 26 insertions(+) diff --git a/include/vlc/libvlc_events.h b/include/vlc/libvlc_events.h index a997d22..0c0019e 100644 --- a/include/vlc/libvlc_events.h +++ b/include/vlc/libvlc_events.h @@ -81,6 +81,7 @@ enum libvlc_event_e { libvlc_MediaPlayerUncorked, libvlc_MediaPlayerMuted, libvlc_MediaPlayerUnmuted, + libvlc_MediaPlayerAudioVolume, libvlc_MediaListItemAdded=0x200, libvlc_MediaListWillAddItem, @@ -244,6 +245,11 @@ typedef struct libvlc_event_t libvlc_track_type_t i_type; int i_id; } media_player_es_changed; + + struct + { + float volume; + } media_player_audio_volume; } u; /**< Type-dependent event description */ } libvlc_event_t; diff --git a/lib/event.c b/lib/event.c index f26af5c..b13fc92 100644 --- a/lib/event.c +++ b/lib/event.c @@ -287,6 +287,7 @@ static const event_name_t event_list[] = { DEF(MediaPlayerUncorked) DEF(MediaPlayerMuted) DEF(MediaPlayerUnmuted) + DEF(MediaPlayerAudioVolume) DEF(MediaListItemAdded) DEF(MediaListWillAddItem) diff --git a/lib/media_player.c b/lib/media_player.c index 5cf5bf1..1ddd4bf 100644 --- a/lib/media_player.c +++ b/lib/media_player.c @@ -75,6 +75,10 @@ static int mute_changed(vlc_object_t *obj, const char *name, vlc_value_t old, vlc_value_t cur, void *opaque); +static int +volume_changed(vlc_object_t *obj, const char *name, vlc_value_t old, + vlc_value_t cur, void *opaque); + static void add_es_callbacks( input_thread_t *p_input_thread, libvlc_media_player_t *p_mi ); @@ -504,6 +508,19 @@ static int mute_changed(vlc_object_t *obj, const char *name, vlc_value_t old, return VLC_SUCCESS; } +static int volume_changed(vlc_object_t *obj, const char *name, vlc_value_t old, + vlc_value_t cur, void *opaque) +{ + libvlc_media_player_t *mp = (libvlc_media_player_t *)obj; + libvlc_event_t event; + + event.type = libvlc_MediaPlayerAudioVolume; + event.u.media_player_audio_volume.volume = cur.f_float; + libvlc_event_send(mp->p_event_manager, &event); + VLC_UNUSED(name); VLC_UNUSED(old); VLC_UNUSED(opaque); + return VLC_SUCCESS; +} + /************************************************************************** * Create a Media Instance object. * @@ -684,6 +701,7 @@ libvlc_media_player_new( libvlc_instance_t *instance ) var_AddCallback(mp, "corks", corks_changed, NULL); var_AddCallback(mp, "mute", mute_changed, NULL); + var_AddCallback(mp, "volume", volume_changed, NULL); /* Snapshot initialization */ register_event(mp, SnapshotTaken); @@ -735,6 +753,7 @@ static void libvlc_media_player_destroy( libvlc_media_player_t *p_mi ) "snapshot-file", snapshot_was_taken, p_mi ); /* Detach callback from the media player / input manager object */ + var_DelCallback( p_mi, "volume", volume_changed, NULL ); var_DelCallback( p_mi, "mute", mute_changed, NULL ); var_DelCallback( p_mi, "corks", corks_changed, NULL ); _______________________________________________ vlc-commits mailing list [email protected] https://mailman.videolan.org/listinfo/vlc-commits
