* $Id$
*
* Authors: Filippo Carone <filippo@carone.org>
+ * Jean-Paul Saman <jpsaman _at_ m2x _dot_ nl>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
-#include <libvlc_internal.h>
+#include "libvlc_internal.h"
#include <vlc/libvlc.h>
-#include <audio_output.h> /* for audio_volume_t, AOUT_VOLUME_MAX */
-#include <vlc/intf.h>
+#include <vlc_input.h>
+#include <vlc_aout.h>
+
+
+/*
+ * Remember to release the returned aout_instance_t since it is locked at
+ * the end of this function.
+ */
+static aout_instance_t *GetAOut( libvlc_instance_t *p_instance,
+ libvlc_exception_t *p_exception )
+{
+ aout_instance_t * p_aout = NULL;
+
+ p_aout = vlc_object_find( p_instance->p_libvlc_int, VLC_OBJECT_AOUT, FIND_CHILD );
+ if( !p_aout )
+ {
+ libvlc_exception_raise( p_exception, "No active audio output" );
+ return NULL;
+ }
+
+ return p_aout;
+}
+
/*****************************************************************************
* libvlc_audio_get_mute : Get the volume state, true if muted
void libvlc_audio_toggle_mute( libvlc_instance_t *p_instance,
libvlc_exception_t *p_e )
{
+ VLC_UNUSED(p_e);
+
aout_VolumeMute( p_instance->p_libvlc_int, NULL );
}
int libvlc_audio_get_volume( libvlc_instance_t *p_instance,
libvlc_exception_t *p_e )
{
+ VLC_UNUSED(p_e);
+
audio_volume_t i_volume;
aout_VolumeGet( p_instance->p_libvlc_int, &i_volume );
}
}
+/*****************************************************************************
+ * libvlc_audio_get_track_count : Get the number of available audio tracks
+ *****************************************************************************/
+int libvlc_audio_get_track_count( libvlc_media_instance_t *p_mi,
+ libvlc_exception_t *p_e )
+{
+ input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
+ vlc_value_t val_list;
+
+ if( !p_input_thread )
+ return -1;
+
+ var_Change( p_input_thread, "audio-es", VLC_VAR_GETCHOICES, &val_list, NULL );
+ vlc_object_release( p_input_thread );
+ return val_list.p_list->i_count;
+}
+
+/*****************************************************************************
+ * libvlc_audio_get_track : Get the current audio track
+ *****************************************************************************/
+int libvlc_audio_get_track( libvlc_media_instance_t *p_mi,
+ libvlc_exception_t *p_e )
+{
+ input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
+ vlc_value_t val_list;
+ vlc_value_t val;
+ int i_track = -1;
+ int i_ret = -1;
+ int i;
+
+ if( !p_input_thread )
+ return -1;
+
+ i_ret = var_Get( p_input_thread, "audio-es", &val );
+ if( i_ret < 0 )
+ {
+ libvlc_exception_raise( p_e, "Getting Audio track information failed" );
+ vlc_object_release( p_input_thread );
+ return i_ret;
+ }
+
+ var_Change( p_input_thread, "audio-es", VLC_VAR_GETCHOICES, &val_list, NULL );
+ for( i = 0; i < val_list.p_list->i_count; i++ )
+ {
+ vlc_value_t track_val = val_list.p_list->p_values[i];
+ if( track_val.i_int == val.i_int )
+ {
+ i_track = i;
+ break;
+ }
+ }
+ vlc_object_release( p_input_thread );
+ return i_track;
+}
+
+
+/*****************************************************************************
+ * libvlc_audio_set_track : Set the current audio track
+ *****************************************************************************/
+void libvlc_audio_set_track( libvlc_media_instance_t *p_mi, int i_track,
+ libvlc_exception_t *p_e )
+{
+ input_thread_t *p_input_thread = libvlc_get_input_thread( p_mi, p_e );
+ vlc_value_t val_list;
+ int i_ret = -1;
+ int i;
+
+ if( !p_input_thread )
+ return;
+
+ var_Change( p_input_thread, "audio-es", VLC_VAR_GETCHOICES, &val_list, NULL );
+ for( i = 0; i < val_list.p_list->i_count; i++ )
+ {
+ vlc_value_t val = val_list.p_list->p_values[i];
+ if( i_track == i )
+ {
+ i_ret = var_Set( p_input_thread, "audio-es", val );
+ if( i_ret < 0 )
+ {
+ libvlc_exception_raise( p_e, "Setting audio track failed" );
+ }
+ vlc_object_release( p_input_thread );
+ return;
+ }
+ }
+ libvlc_exception_raise( p_e, "Audio track out of range" );
+ vlc_object_release( p_input_thread );
+}
+
+/*****************************************************************************
+ * libvlc_audio_get_channel : Get the current audio channel
+ *****************************************************************************/
+int libvlc_audio_get_channel( libvlc_instance_t *p_instance,
+ libvlc_exception_t *p_e )
+{
+ aout_instance_t *p_aout = GetAOut( p_instance, p_e );
+ if( p_aout )
+ {
+ vlc_value_t val;
+
+ var_Get( p_aout, "audio-channels", &val );
+ vlc_object_release( p_aout );
+ return val.i_int;
+ }
+ return -1;
+}
+
+/*****************************************************************************
+ * libvlc_audio_set_channel : Set the current audio channel
+ *****************************************************************************/
+void libvlc_audio_set_channel( libvlc_instance_t *p_instance, int i_channel,
+ libvlc_exception_t *p_e )
+{
+ aout_instance_t *p_aout = GetAOut( p_instance, p_e );
+ if( p_aout )
+ {
+ vlc_value_t val;
+ int i_ret = -1;
+
+ val.i_int = i_channel;
+ switch( i_channel )
+ {
+ case AOUT_VAR_CHAN_RSTEREO:
+ case AOUT_VAR_CHAN_STEREO:
+ case AOUT_VAR_CHAN_LEFT:
+ case AOUT_VAR_CHAN_RIGHT:
+ case AOUT_VAR_CHAN_DOLBYS:
+ i_ret = var_Set( p_aout, "audio-channels", val );
+ if( i_ret < 0 )
+ {
+ libvlc_exception_raise( p_e, "Failed setting audio channel" );
+ vlc_object_release( p_aout );
+ return;
+ }
+ vlc_object_release( p_aout );
+ return; /* Found */
+ default:
+ libvlc_exception_raise( p_e, "Audio channel out of range" );
+ break;
+ }
+ vlc_object_release( p_aout );
+ }
+}