#include <vlc_aout.h>
#include "aout_internal.h"
+#include <vlc_playlist.h>
+
+static aout_instance_t *findAout (vlc_object_t *obj)
+{
+ input_thread_t *(*pf_find_input) (vlc_object_t *);
+
+ pf_find_input = var_GetAddress (obj, "find-input-callback");
+ if (unlikely(pf_find_input == NULL))
+ return NULL;
+
+ input_thread_t *p_input = pf_find_input (obj);
+ if (p_input == NULL)
+ return NULL;
+
+ aout_instance_t *p_aout = input_GetAout (p_input);
+ vlc_object_release (p_input);
+ return p_aout;
+}
+#define findAout(o) findAout(VLC_OBJECT(o))
+
/*
* Volume management
*
* a very low volume and users may complain.
*/
+enum {
+ SET_MUTE=1,
+ SET_VOLUME=2,
+ INCREMENT_VOLUME=4,
+ TOGGLE_MUTE=8
+};
+
+/*****************************************************************************
+ * doVolumeChanges : handle all volume changes. Internal use only to ease
+ * variables locking.
+ *****************************************************************************/
+static
+int doVolumeChanges( unsigned action, vlc_object_t * p_object, int i_nb_steps,
+ audio_volume_t i_volume, audio_volume_t * i_return_volume,
+ bool b_mute )
+{
+ int i_result = VLC_SUCCESS;
+ int i_volume_step = 1, i_new_volume = 0;
+ bool b_var_mute = false;
+ aout_instance_t *p_aout = findAout( p_object );
+
+ if ( p_aout ) aout_lock_volume( p_aout );
+
+ b_var_mute = var_GetBool( p_object, "volume-muted");
+
+ const bool b_unmute_condition = ( b_var_mute
+ && ( /* Unmute: on increments */
+ ( action == INCREMENT_VOLUME )
+ || /* On explicit unmute */
+ ( ( action == SET_MUTE ) && !b_mute )
+ || /* On toggle from muted */
+ ( action == TOGGLE_MUTE )
+ ));
+
+ const bool b_mute_condition = ( !b_var_mute
+ && ( /* explicit */
+ ( ( action == SET_MUTE ) && b_mute )
+ || /* or toggle */
+ ( action == TOGGLE_MUTE )
+ ));
+
+ /* If muting or unmuting when play hasn't started */
+ if ( action == SET_MUTE && !b_unmute_condition && !b_mute_condition )
+ {
+ if ( p_aout )
+ {
+ aout_unlock_volume( p_aout );
+ vlc_object_release( p_aout );
+ }
+ return i_result;
+ }
+
+ /* On UnMute */
+ if ( b_unmute_condition )
+ {
+ /* Restore saved volume */
+ i_volume = var_GetInteger( p_object, "saved-volume" );
+ var_SetBool( p_object, "volume-muted", false );
+ }
+ else if ( b_mute_condition )
+ {
+ /* We need an initial value to backup later */
+ i_volume = config_GetInt( p_object, "volume" );
+ }
+
+ if ( action == INCREMENT_VOLUME )
+ {
+ i_volume_step = var_InheritInteger( p_object, "volume-step" );
+
+ if ( !b_unmute_condition )
+ i_volume = config_GetInt( p_object, "volume" );
+
+ i_new_volume = (int) i_volume + i_volume_step * i_nb_steps;
+
+ if ( i_new_volume > AOUT_VOLUME_MAX )
+ i_volume = AOUT_VOLUME_MAX;
+ else if ( i_new_volume < AOUT_VOLUME_MIN )
+ i_volume = AOUT_VOLUME_MIN;
+ else
+ i_volume = i_new_volume;
+ }
+
+ var_SetInteger( p_object, "saved-volume" , i_volume );
+
+ /* On Mute */
+ if ( b_mute_condition )
+ {
+ i_volume = AOUT_VOLUME_MIN;
+ var_SetBool( p_object, "volume-muted", true );
+ }
+
+ /* Commit volume changes */
+ config_PutInt( p_object, "volume", i_volume );
+
+ if ( p_aout )
+ {
+ aout_lock_mixer( p_aout );
+ aout_lock_input_fifos( p_aout );
+ if ( p_aout->p_mixer )
+ i_result = p_aout->output.pf_volume_set( p_aout, i_volume );
+ aout_unlock_input_fifos( p_aout );
+ aout_unlock_mixer( p_aout );
+ }
+
+ /* trigger callbacks */
+ var_TriggerCallback( p_object, "volume-change" );
+ if ( p_aout )
+ {
+ var_SetBool( p_aout, "intf-change", true );
+ aout_unlock_volume( p_aout );
+ vlc_object_release( p_aout );
+ }
+
+ if ( i_return_volume != NULL )
+ *i_return_volume = i_volume;
+ return i_result;
+}
+
+#undef aout_VolumeGet
/*****************************************************************************
* aout_VolumeGet : get the volume of the output device
*****************************************************************************/
-int __aout_VolumeGet( vlc_object_t * p_object, audio_volume_t * pi_volume )
+int aout_VolumeGet( vlc_object_t * p_object, audio_volume_t * pi_volume )
{
int i_result = 0;
- aout_instance_t * p_aout = vlc_object_find( p_object, VLC_OBJECT_AOUT,
- FIND_ANYWHERE );
+ aout_instance_t * p_aout = findAout( p_object );
if ( pi_volume == NULL ) return -1;
return 0;
}
+ aout_lock_volume( p_aout );
aout_lock_mixer( p_aout );
if ( p_aout->p_mixer )
{
*pi_volume = (audio_volume_t)config_GetInt( p_object, "volume" );
}
aout_unlock_mixer( p_aout );
+ aout_unlock_volume( p_aout );
vlc_object_release( p_aout );
return i_result;
}
+#undef aout_VolumeSet
/*****************************************************************************
* aout_VolumeSet : set the volume of the output device
*****************************************************************************/
-int __aout_VolumeSet( vlc_object_t * p_object, audio_volume_t i_volume )
+int aout_VolumeSet( vlc_object_t * p_object, audio_volume_t i_volume )
{
- config_PutInt( p_object, "volume", i_volume );
- var_SetBool( p_object->p_libvlc, "volume-change", true );
-
- var_Create( p_object->p_libvlc, "saved-volume", VLC_VAR_INTEGER );
- var_SetInteger( p_object->p_libvlc, "saved-volume" , i_volume );
-
- aout_instance_t *p_aout = vlc_object_find( p_object,
- VLC_OBJECT_AOUT, FIND_ANYWHERE );
- if ( p_aout == NULL )
- return VLC_SUCCESS;
-
- int i_result = VLC_SUCCESS;
-
- aout_lock_mixer( p_aout );
- aout_lock_input_fifos( p_aout );
- if ( p_aout->p_mixer )
- i_result = p_aout->output.pf_volume_set( p_aout, i_volume );
- aout_unlock_input_fifos( p_aout );
- aout_unlock_mixer( p_aout );
-
- var_SetBool( p_aout, "intf-change", true );
- vlc_object_release( p_aout );
- return i_result;
+ return doVolumeChanges( SET_VOLUME, p_object, 1, i_volume, NULL, true );
}
+#undef aout_VolumeUp
/*****************************************************************************
* aout_VolumeUp : raise the output volume
*****************************************************************************
* If pi_volume != NULL, *pi_volume will contain the volume at the end of the
* function.
*****************************************************************************/
-int __aout_VolumeUp( vlc_object_t * p_object, int i_nb_steps,
+int aout_VolumeUp( vlc_object_t * p_object, int i_nb_steps,
audio_volume_t * pi_volume )
{
- const int i_volume_step = config_GetInt( p_object->p_libvlc, "volume-step" );
-
- int i_volume = config_GetInt( p_object, "volume" ) +
- i_volume_step * i_nb_steps;
- if ( i_volume > AOUT_VOLUME_MAX )
- i_volume = AOUT_VOLUME_MAX;
- else if ( i_volume < AOUT_VOLUME_MIN )
- i_volume = AOUT_VOLUME_MIN;
- if ( pi_volume != NULL )
- *pi_volume = i_volume;
-
- return __aout_VolumeSet( p_object, i_volume );
+ return doVolumeChanges( INCREMENT_VOLUME, p_object, i_nb_steps, 0, pi_volume, true );
}
+#undef aout_VolumeDown
/*****************************************************************************
* aout_VolumeDown : lower the output volume
*****************************************************************************
* If pi_volume != NULL, *pi_volume will contain the volume at the end of the
* function.
*****************************************************************************/
-int __aout_VolumeDown( vlc_object_t * p_object, int i_nb_steps,
+int aout_VolumeDown( vlc_object_t * p_object, int i_nb_steps,
audio_volume_t * pi_volume )
{
- return __aout_VolumeUp( p_object, -i_nb_steps, pi_volume );
+ return aout_VolumeUp( p_object, -i_nb_steps, pi_volume );
}
+#undef aout_ToggleMute
/*****************************************************************************
* aout_ToggleMute : Mute/un-mute the output volume
*****************************************************************************
* If pi_volume != NULL, *pi_volume will contain the volume at the end of the
* function (muted => 0).
*****************************************************************************/
-int __aout_ToggleMute( vlc_object_t * p_object, audio_volume_t * pi_volume )
+int aout_ToggleMute( vlc_object_t * p_object, audio_volume_t * pi_volume )
{
- return aout_SetMute( p_object, pi_volume, !aout_IsMuted( p_object ) );
+ return doVolumeChanges( TOGGLE_MUTE, p_object, 1, 0, pi_volume, true );
}
/*****************************************************************************
*****************************************************************************/
bool aout_IsMuted( vlc_object_t * p_object )
{
- return (bool)var_GetBool( p_object->p_libvlc, "volume-muted");
+ bool b_return_val;
+ aout_instance_t * p_aout = findAout( p_object );
+ if ( p_aout ) aout_lock_volume( p_aout );
+ b_return_val = var_GetBool( p_object, "volume-muted");
+ if ( p_aout )
+ {
+ aout_unlock_volume( p_aout );
+ vlc_object_release( p_aout );
+ }
+ return b_return_val;
}
/*****************************************************************************
int aout_SetMute( vlc_object_t * p_object, audio_volume_t * pi_volume,
bool b_mute )
{
- int i_result;
- audio_volume_t i_volume;
-
- var_SetBool( p_object->p_libvlc, "volume-muted", (bool)b_mute );
- i_volume = (audio_volume_t)config_GetInt( p_object, "volume" );
-
- if ( b_mute )
- {
- /* Mute */
- i_result = aout_VolumeSet( p_object, AOUT_VOLUME_MIN );
- var_Create( p_object->p_libvlc, "saved-volume", VLC_VAR_INTEGER );
- var_SetInteger( p_object->p_libvlc, "saved-volume", (int)i_volume );
- if ( pi_volume != NULL ) *pi_volume = AOUT_VOLUME_MIN;
- }
- else
- {
- /* Un-mute */
- var_Create( p_object->p_libvlc, "saved-volume", VLC_VAR_INTEGER );
- i_volume = (audio_volume_t)var_GetInteger( p_object->p_libvlc,
- "saved-volume" );
- i_result = aout_VolumeSet( p_object, i_volume );
- if ( pi_volume != NULL ) *pi_volume = i_volume;
- }
- return i_result;
+ return doVolumeChanges( SET_MUTE, p_object, 1, 0, pi_volume, b_mute );
}
/*
int aout_FindAndRestart( vlc_object_t * p_this, const char *psz_name,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
- aout_instance_t * p_aout = vlc_object_find( p_this, VLC_OBJECT_AOUT,
- FIND_ANYWHERE );
+ aout_instance_t * p_aout = findAout( pl_Get(p_this) );
(void)psz_name; (void)oldval; (void)newval; (void)p_data;
if ( p_aout == NULL ) return VLC_SUCCESS;
void aout_EnableFilter( vlc_object_t *p_this, const char *psz_name,
bool b_add )
{
- aout_instance_t *p_aout = vlc_object_find( p_this, VLC_OBJECT_AOUT,
- FIND_ANYWHERE );
+ aout_instance_t *p_aout = findAout( p_this );
- if( AoutChangeFilterString( p_this, p_aout, "audio-filter", psz_name, b_add ) )
+ if( aout_ChangeFilterString( p_this, p_aout, "audio-filter", psz_name, b_add ) )
{
if( p_aout )
AoutInputsMarkToRestart( p_aout );