X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Faudio_output%2Fintf.c;h=017ece22599c726817ffb802045b7c32f5bc9286;hb=ecddc9b761c5a577835d7510d04c19568a581232;hp=64e54a221ee13455b39e92649a271e2f8702cd4a;hpb=5a55a589848fa6c68395288ab2bb47b45695cb1e;p=vlc

diff --git a/src/audio_output/intf.c b/src/audio_output/intf.c
index 64e54a221e..017ece2259 100644
--- a/src/audio_output/intf.c
+++ b/src/audio_output/intf.c
@@ -38,6 +38,26 @@
 #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
  *
@@ -61,210 +81,232 @@
  * a very low volume and users may complain.
  */
 
+enum {
+    SET_MUTE=1,
+    SET_VOLUME=2,
+    INCREMENT_VOLUME=4,
+    TOGGLE_MUTE=8
+};
+
 /*****************************************************************************
- * aout_VolumeGet : get the volume of the output device
+ * doVolumeChanges : handle all volume changes. Internal use only to ease
+ *                   variables locking.
  *****************************************************************************/
-int __aout_VolumeGet( vlc_object_t * p_object, audio_volume_t * pi_volume )
+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 = 0;
-    aout_instance_t * p_aout = vlc_object_find( p_object, VLC_OBJECT_AOUT,
-                                                FIND_ANYWHERE );
-
-    if ( pi_volume == NULL ) return -1;
-
-    if ( p_aout == NULL )
+    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 )
     {
-        *pi_volume = (audio_volume_t)config_GetInt( p_object, "volume" );
-        return 0;
+        if ( p_aout )
+        {
+            aout_unlock_volume( p_aout );
+            vlc_object_release( p_aout );
+        }
+        return i_result;
     }
 
-    aout_lock_mixer( p_aout );
-    if ( !p_aout->mixer.b_error )
+    /* On UnMute */
+    if ( b_unmute_condition )
     {
-        i_result = p_aout->output.pf_volume_get( p_aout, pi_volume );
+        /* Restore saved volume */
+        i_volume = var_GetInteger( p_object, "saved-volume" );
+        var_SetBool( p_object, "volume-muted", false );
     }
-    else
+    else if ( b_mute_condition )
     {
-        *pi_volume = (audio_volume_t)config_GetInt( p_object, "volume" );
+        /* We need an initial value to backup later */
+        i_volume = config_GetInt( p_object, "volume" );
     }
-    aout_unlock_mixer( p_aout );
 
-    vlc_object_release( p_aout );
-    return i_result;
-}
+    if ( action == INCREMENT_VOLUME )
+    {
+        i_volume_step = var_InheritInteger( p_object, "volume-step" );
 
-/*****************************************************************************
- * aout_VolumeSet : set the volume of the output device
- *****************************************************************************/
-int __aout_VolumeSet( vlc_object_t * p_object, audio_volume_t i_volume )
-{
-    vlc_value_t val;
-    aout_instance_t *p_aout = vlc_object_find( p_object, VLC_OBJECT_AOUT, FIND_ANYWHERE );
-    int i_result = 0;
+        if ( !b_unmute_condition )
+            i_volume = config_GetInt( p_object, "volume" );
 
-    config_PutInt( p_object, "volume", i_volume );
+        i_new_volume = (int) i_volume + i_volume_step * i_nb_steps;
 
-    val.b_bool = true;
-    var_Set( p_object->p_libvlc, "volume-change", val );
+        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;
+    }
 
-    if ( p_aout == NULL ) return 0;
+    var_SetInteger( p_object, "saved-volume" , i_volume );
 
-    aout_lock_mixer( p_aout );
-    if ( !p_aout->mixer.b_error )
+    /* On Mute */
+    if ( b_mute_condition )
     {
-        i_result = p_aout->output.pf_volume_set( p_aout, i_volume );
+        i_volume = AOUT_VOLUME_MIN;
+        var_SetBool( p_object, "volume-muted", true );
     }
-    aout_unlock_mixer( p_aout );
 
-    var_Set( p_aout, "intf-change", val );
-    vlc_object_release( p_aout );
+    /* 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_VolumeInfos : get the boundary pi_soft
+ * aout_VolumeGet : get the volume of the output device
  *****************************************************************************/
-int __aout_VolumeInfos( vlc_object_t * p_object, audio_volume_t * pi_soft )
+int aout_VolumeGet( vlc_object_t * p_object, audio_volume_t * pi_volume )
 {
-    aout_instance_t * p_aout = vlc_object_find( p_object, VLC_OBJECT_AOUT,
-                                                FIND_ANYWHERE );
-    int i_result;
+    int i_result = 0;
+    aout_instance_t * p_aout = findAout( p_object );
+
+    if ( pi_volume == NULL ) return -1;
 
-    if ( p_aout == NULL ) return 0;
+    if ( p_aout == NULL )
+    {
+        *pi_volume = (audio_volume_t)config_GetInt( p_object, "volume" );
+        return 0;
+    }
 
+    aout_lock_volume( p_aout );
     aout_lock_mixer( p_aout );
-    if ( p_aout->mixer.b_error )
+    if ( p_aout->p_mixer )
     {
-        /* The output module is destroyed. */
-        i_result = -1;
+        i_result = p_aout->output.pf_volume_get( p_aout, pi_volume );
     }
     else
     {
-        i_result = p_aout->output.pf_volume_infos( p_aout, pi_soft );
+        *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 )
+{
+    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 )
 {
-    vlc_value_t val;
-    aout_instance_t * p_aout = vlc_object_find( p_object, VLC_OBJECT_AOUT,
-                                                FIND_ANYWHERE );
-    int i_result = 0, i_volume = 0, i_volume_step = 0;
-
-    i_volume_step = config_GetInt( p_object->p_libvlc, "volume-step" );
-    i_volume = config_GetInt( p_object, "volume" );
-    i_volume += i_volume_step * i_nb_steps;
-    if ( i_volume > AOUT_VOLUME_MAX )
-    {
-        i_volume = AOUT_VOLUME_MAX;
-    }
-    config_PutInt( p_object, "volume", i_volume );
-    var_Create( p_object->p_libvlc, "saved-volume", VLC_VAR_INTEGER );
-    var_SetInteger( p_object->p_libvlc, "saved-volume" ,
-                    (audio_volume_t) i_volume );
-    if ( pi_volume != NULL ) *pi_volume = (audio_volume_t) i_volume;
-
-    val.b_bool = true;
-    var_Set( p_object->p_libvlc, "volume-change", val );
-
-    if ( p_aout == NULL ) return 0;
-
-    aout_lock_mixer( p_aout );
-    if ( !p_aout->mixer.b_error )
-    {
-        i_result = p_aout->output.pf_volume_set( p_aout,
-                                                (audio_volume_t) i_volume );
-    }
-    aout_unlock_mixer( p_aout );
-
-    vlc_object_release( p_aout );
-    return i_result;
+    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 )
 {
-    vlc_value_t val;
-    aout_instance_t * p_aout = vlc_object_find( p_object, VLC_OBJECT_AOUT,
-                                                FIND_ANYWHERE );
-    int i_result = 0, i_volume = 0, i_volume_step = 0;
-
-    i_volume_step = config_GetInt( p_object->p_libvlc, "volume-step" );
-    i_volume = config_GetInt( p_object, "volume" );
-    i_volume -= i_volume_step * i_nb_steps;
-    if ( i_volume < AOUT_VOLUME_MIN )
-    {
-        i_volume = AOUT_VOLUME_MIN;
-    }
-    config_PutInt( p_object, "volume", i_volume );
-    var_Create( p_object->p_libvlc, "saved-volume", VLC_VAR_INTEGER );
-    var_SetInteger( p_object->p_libvlc, "saved-volume", (audio_volume_t) i_volume );
-    if ( pi_volume != NULL ) *pi_volume = (audio_volume_t) i_volume;
-
-    val.b_bool = true;
-    var_Set( p_object->p_libvlc, "volume-change", val );
-
-    if ( p_aout == NULL ) return 0;
-
-    aout_lock_mixer( p_aout );
-    if ( !p_aout->mixer.b_error )
-    {
-        i_result = p_aout->output.pf_volume_set( p_aout, (audio_volume_t) i_volume );
-    }
-    aout_unlock_mixer( p_aout );
-
-    vlc_object_release( p_aout );
-    return i_result;
+    return aout_VolumeUp( p_object, -i_nb_steps, pi_volume );
 }
 
+#undef aout_ToggleMute
 /*****************************************************************************
- * aout_VolumeMute : Mute/un-mute the output volume
+ * 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_VolumeMute( vlc_object_t * p_object, audio_volume_t * pi_volume )
+int aout_ToggleMute( vlc_object_t * p_object, audio_volume_t * pi_volume )
 {
-    int i_result;
-    audio_volume_t i_volume;
+    return doVolumeChanges( TOGGLE_MUTE, p_object, 1, 0, pi_volume, true );
+}
 
-    i_volume = (audio_volume_t)config_GetInt( p_object, "volume" );
-    if ( i_volume != 0 )
-    {
-        /* 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
+/*****************************************************************************
+ * aout_IsMuted : Get the output volume mute status
+ *****************************************************************************/
+bool aout_IsMuted( vlc_object_t * p_object )
+{
+    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 )
     {
-        /* 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;
+        aout_unlock_volume( p_aout );
+        vlc_object_release( p_aout );
     }
+    return b_return_val;
+}
 
-    return i_result;
+/*****************************************************************************
+ * aout_SetMute : Sets mute status
+ *****************************************************************************
+ * If pi_volume != NULL, *pi_volume will contain the volume at the end of the
+ * function (muted => 0).
+ *****************************************************************************/
+int aout_SetMute( vlc_object_t * p_object, audio_volume_t * pi_volume,
+                  bool b_mute )
+{
+    return doVolumeChanges( SET_MUTE, p_object, 1, 0, pi_volume, b_mute );
 }
 
 /*
@@ -277,7 +319,6 @@ void aout_VolumeSoftInit( aout_instance_t * p_aout )
 {
     int i_volume;
 
-    p_aout->output.pf_volume_infos = aout_VolumeSoftInfos;
     p_aout->output.pf_volume_get = aout_VolumeSoftGet;
     p_aout->output.pf_volume_set = aout_VolumeSoftSet;
 
@@ -294,14 +335,6 @@ void aout_VolumeSoftInit( aout_instance_t * p_aout )
     aout_VolumeSoftSet( p_aout, (audio_volume_t)i_volume );
 }
 
-/* Placeholder for pf_volume_infos(). */
-int aout_VolumeSoftInfos( aout_instance_t * p_aout, audio_volume_t * pi_soft )
-{
-    (void)p_aout;
-    *pi_soft = 0;
-    return 0;
-}
-
 /* Placeholder for pf_volume_get(). */
 int aout_VolumeSoftGet( aout_instance_t * p_aout, audio_volume_t * pi_volume )
 {
@@ -326,18 +359,10 @@ int aout_VolumeSoftSet( aout_instance_t * p_aout, audio_volume_t i_volume )
 /* Meant to be called by the output plug-in's Open(). */
 void aout_VolumeNoneInit( aout_instance_t * p_aout )
 {
-    p_aout->output.pf_volume_infos = aout_VolumeNoneInfos;
     p_aout->output.pf_volume_get = aout_VolumeNoneGet;
     p_aout->output.pf_volume_set = aout_VolumeNoneSet;
 }
 
-/* Placeholder for pf_volume_infos(). */
-int aout_VolumeNoneInfos( aout_instance_t * p_aout, audio_volume_t * pi_soft )
-{
-    (void)p_aout; (void)pi_soft;
-    return -1;
-}
-
 /* Placeholder for pf_volume_get(). */
 int aout_VolumeNoneGet( aout_instance_t * p_aout, audio_volume_t * pi_volume )
 {
@@ -378,15 +403,16 @@ static int aout_Restart( aout_instance_t * p_aout )
         return -1;
     }
 
-    /* Lock all inputs. */
-    aout_lock_input_fifos( p_aout );
-
     for ( i = 0; i < p_aout->i_nb_inputs; i++ )
     {
         aout_lock_input( p_aout, p_aout->pp_inputs[i] );
+        aout_lock_input_fifos( p_aout );
         aout_InputDelete( p_aout, p_aout->pp_inputs[i] );
+        aout_unlock_input_fifos( p_aout );
     }
 
+    /* Lock all inputs. */
+    aout_lock_input_fifos( p_aout );
     aout_MixerDelete( p_aout );
 
     /* Re-open the output plug-in. */
@@ -441,20 +467,13 @@ static int aout_Restart( aout_instance_t * p_aout )
 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;
 
-    if ( var_Type( p_aout, "audio-device" ) != 0 )
-    {
-        var_Destroy( p_aout, "audio-device" );
-    }
-    if ( var_Type( p_aout, "audio-channels" ) != 0 )
-    {
-        var_Destroy( p_aout, "audio-channels" );
-    }
+    var_Destroy( p_aout, "audio-device" );
+    var_Destroy( p_aout, "audio-channels" );
 
     aout_Restart( p_aout );
     vlc_object_release( p_aout );
@@ -476,15 +495,13 @@ int aout_ChannelsRestart( vlc_object_t * p_this, const char * psz_variable,
     {
         /* This is supposed to be a significant change and supposes
          * rebuilding the channel choices. */
-        if ( var_Type( p_aout, "audio-channels" ) >= 0 )
-        {
-            var_Destroy( p_aout, "audio-channels" );
-        }
+        var_Destroy( p_aout, "audio-channels" );
     }
     aout_Restart( p_aout );
     return 0;
 }
 
+#undef aout_EnableFilter
 /** Enable or disable an audio filter
  * \param p_this a vlc object
  * \param psz_name name of the filter
@@ -493,10 +510,9 @@ int aout_ChannelsRestart( vlc_object_t * p_this, const char * psz_variable,
 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 );
@@ -505,15 +521,3 @@ void aout_EnableFilter( vlc_object_t *p_this, const char *psz_name,
     if( p_aout )
         vlc_object_release( p_aout );
 }
-
-/**
- * Change audio visualization
- * -1 goes backwards, +1 goes forward
- */
-char *aout_VisualChange( vlc_object_t *p_this, int i_skip )
-{
-    (void)p_this; (void)i_skip;
-    msg_Err( p_this, "FIXME: %s (%s %d) isn't implemented.", __func__,
-             __FILE__, __LINE__ );
-    return strdup("foobar");
-}