use var_Get(Bool|Integer|...) when possible.

(and fix a memleak)

modules/audio_output/alsa.c

@@ -274,8 +274,7 @@ static void Probe( aout_instance_t * p_aout,
 
     /* Add final settings to the variable */
     var_AddCallback( p_aout, "audio-device", aout_ChannelsRestart, NULL );
-    val.b_bool = true;
-    var_Set( p_aout, "intf-change", val );
+    var_SetBool( p_aout, "intf-change", true );
 }
 
 /*****************************************************************************

modules/audio_output/directx.c

@@ -285,11 +285,7 @@ static int OpenAudio( vlc_object_t *p_this )
     /* Retrieve config values */
     var_Create( p_aout, "directx-audio-float32",
                 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
-
-    var_Create( p_aout, "directx-audio-speaker",
-                VLC_VAR_STRING | VLC_VAR_DOINHERIT );
-    var_Get( p_this, "directx-audio-speaker", &val );
-    psz_speaker = val.psz_string;
+    psz_speaker = var_CreateGetString( p_aout, "directx-audio-speaker" );
 
     while ( *ppsz_compare != NULL )
     {
@@ -307,12 +303,11 @@ static int OpenAudio( vlc_object_t *p_this )
         msg_Err( p_aout, "Defaulting to Windows default speaker config");
         i = 0;
     }
+    free( psz_speaker );
     p_aout->output.p_sys->i_speaker_setup = i;
 
-    var_Create( p_aout, "directx-audio-device",
-                VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
-    var_Get( p_aout, "directx-audio-device", &val );
-    p_aout->output.p_sys->i_device_id = val.i_int;
+    p_aout->output.p_sys->i_device_id = var_CreateGetInteger( p_aout,
+                                               "directx-audio-device" );
     p_aout->output.p_sys->p_device_guid = 0;
 
     /* Initialise DirectSound */
@@ -678,9 +673,7 @@ static void Probe( aout_instance_t * p_aout )
     }
 
     var_AddCallback( p_aout, "audio-device", aout_ChannelsRestart, NULL );
-
-    val.b_bool = true;
-    var_Set( p_aout, "intf-change", val );
+    var_SetBool( p_aout, "intf-change", true );
 }
 
 /*****************************************************************************
@@ -995,13 +988,9 @@ static int CreateDSBufferPCM( aout_instance_t *p_aout, int *i_format,
                               int i_channels, int i_nb_channels, int i_rate,
                               bool b_probe )
 {
-    vlc_value_t val;
-
-    var_Get( p_aout, "directx-audio-float32", &val );
-
     /* Float32 audio samples are not supported for 5.1 output on the emu101k */
-
-    if( !val.b_bool || i_nb_channels > 2 ||
+    if( !var_GetBool( p_aout, "directx-audio-float32" ) ||
+        i_nb_channels > 2 ||
         CreateDSBuffer( p_aout, VLC_FOURCC('f','l','3','2'),
                         i_channels, i_nb_channels, i_rate,
                         FRAME_SIZE * 4 * i_nb_channels, b_probe )

modules/audio_output/file.c

@@ -138,12 +138,9 @@ static int Open( vlc_object_t * p_this )
     aout_instance_t * p_aout = (aout_instance_t *)p_this;
     char * psz_name, * psz_format;
     const char * const * ppsz_compare = format_list;
-    vlc_value_t val;
     int i_channels, i = 0;
 
-    var_Create( p_this, "audiofile-file", VLC_VAR_STRING|VLC_VAR_DOINHERIT );
-    var_Get( p_this, "audiofile-file", &val );
-    psz_name = val.psz_string;
+    psz_name = var_CreateGetString( p_this, "audiofile-file" );
     if( !psz_name || !*psz_name )
     {
         msg_Err( p_aout, "you need to specify an output file name" );
@@ -171,9 +168,7 @@ static int Open( vlc_object_t * p_this )
     p_aout->output.pf_play = Play;
 
     /* Audio format */
-    var_Create( p_this, "audiofile-format", VLC_VAR_STRING|VLC_VAR_DOINHERIT );
-    var_Get( p_this, "audiofile-format", &val );
-    psz_format = val.psz_string;
+    psz_format = var_CreateGetString( p_this, "audiofile-format" );
 
     while ( *ppsz_compare != NULL )
     {
@@ -211,10 +206,7 @@ static int Open( vlc_object_t * p_this )
     }
 
     /* Channels number */
-    var_Create( p_this, "audiofile-channels",
-                VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
-    var_Get( p_this, "audiofile-channels", &val );
-    i_channels = val.i_int;
+    i_channels = var_CreateGetInteger( p_this, "audiofile-channels" );
 
     if( i_channels > 0 && i_channels <= CHANNELS_MAX )
     {
@@ -223,9 +215,8 @@ static int Open( vlc_object_t * p_this )
     }
 
     /* WAV header */
-    var_Create( p_this, "audiofile-wav", VLC_VAR_BOOL|VLC_VAR_DOINHERIT );
-    var_Get( p_this, "audiofile-wav", &val );
-    p_aout->output.p_sys->b_add_wav_header = val.b_bool;
+    p_aout->output.p_sys->b_add_wav_header = var_CreateGetBool( p_this,
+                                                        "audiofile-wav" );
 
     if( p_aout->output.p_sys->b_add_wav_header )
     {

modules/audio_output/portaudio.c

@@ -169,13 +169,12 @@ static int Open( vlc_object_t * p_this )
 {
     aout_instance_t *p_aout = (aout_instance_t *)p_this;
     struct aout_sys_t * p_sys;
-    vlc_value_t val;
     int i_err;
 
     msg_Dbg( p_aout, "entering Open()");
 
     /* Allocate p_sys structure */
-    p_sys = (aout_sys_t *)malloc( sizeof(aout_sys_t) );
+    p_sys = malloc( sizeof(aout_sys_t) );
     if( p_sys == NULL )
         return VLC_ENOMEM;
     p_sys->p_aout = p_aout;
@@ -184,9 +183,7 @@ static int Open( vlc_object_t * p_this )
     p_aout->output.pf_play = Play;
 
     /* Retrieve output device id from config */
-    var_Create( p_aout, "portaudio-audio-device", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT);
-    var_Get( p_aout, "portaudio-audio-device", &val );
-    p_sys->i_device_id = val.i_int;
+    p_sys->i_device_id = var_CreateGetInteger( p_aout, "portaudio-audio-device" );
 
 #ifdef PORTAUDIO_IS_SERIOUSLY_BROKEN
     if( !b_init )
@@ -434,9 +431,7 @@ static int PAOpenDevice( aout_instance_t *p_aout )
         }
 
         var_AddCallback( p_aout, "audio-device", aout_ChannelsRestart, NULL );
-
-        val.b_bool = true;
-        var_Set( p_aout, "intf-change", val );
+        var_SetBool( p_aout, "intf-change", true );
     }
 
     /* Audio format is paFloat32 (always supported by portaudio v19) */

modules/audio_output/sdl.c

@@ -215,8 +215,7 @@ static int Open ( vlc_object_t *p_this )
         var_AddCallback( p_aout, "audio-device", aout_ChannelsRestart, NULL );
     }
 
-    val.b_bool = true;
-    var_Set( p_aout, "intf-change", val );
+    var_SetBool( p_aout, "intf-change", true );
 
     p_aout->output.output.i_rate = obtained.freq;
     p_aout->output.i_nb_samples = obtained.samples;

modules/audio_output/waveout.c

@@ -341,25 +341,23 @@ static int Open( vlc_object_t *p_this )
     {
         WAVEOUTCAPS wocaps;
 
-        if( val.i_int == AOUT_VAR_5_1 )
+        switch( val.i_int )
         {
+        case AOUT_VAR_5_1:
             p_aout->output.output.i_physical_channels
                     = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
                       | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT
                       | AOUT_CHAN_LFE;
-        }
-        else if( val.i_int == AOUT_VAR_2F2R )
-        {
+            break;
+        case AOUT_VAR_2F2R:
             p_aout->output.output.i_physical_channels
                     = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT
                       | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT;
-        }
-        else if( val.i_int == AOUT_VAR_MONO )
-        {
+            break;
+        case AOUT_VAR_MONO:
             p_aout->output.output.i_physical_channels = AOUT_CHAN_CENTER;
-        }
-        else
-        {
+            break;
+        default:
             p_aout->output.output.i_physical_channels
                     = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
         }
@@ -410,7 +408,7 @@ static int Open( vlc_object_t *p_this )
     if( p_aout->output.p_sys->p_silence_buffer == NULL )
     {
         free( p_aout->output.p_sys );
-        return 1;
+        return VLC_ENOMEM;
     }
     p_aout->output.p_sys->i_repeat_counter = 0;
 
@@ -448,7 +446,7 @@ static int Open( vlc_object_t *p_this )
         p_aout->output.p_sys->waveheader[i].dwUser = 0;
     }
 
-    return 0;
+    return VLC_SUCCESS;
 }
 
 /*****************************************************************************
@@ -566,9 +564,7 @@ static void Probe( aout_instance_t * p_aout )
     }
 
     var_AddCallback( p_aout, "audio-device", aout_ChannelsRestart, NULL );
-
-    val.b_bool = true;
-    var_Set( p_aout, "intf-change", val );
+    var_SetBool( p_aout, "intf-change", true );
 }
 
 /*****************************************************************************

src/audio_output/intf.c

@@ -98,14 +98,11 @@ int __aout_VolumeGet( vlc_object_t * p_object, audio_volume_t * pi_volume )
  *****************************************************************************/
 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;
 
     config_PutInt( p_object, "volume", i_volume );
-
-    val.b_bool = true;
-    var_Set( p_object->p_libvlc, "volume-change", val );
+    var_SetBool( p_object->p_libvlc, "volume-change", true );
 
     if ( p_aout == NULL ) return 0;
 
@@ -116,7 +113,7 @@ int __aout_VolumeSet( vlc_object_t * p_object, audio_volume_t i_volume )
     }
     aout_unlock_mixer( p_aout );
 
-    var_Set( p_aout, "intf-change", val );
+    var_SetBool( p_aout, "intf-change", true );
     vlc_object_release( p_aout );
     return i_result;
 }
@@ -157,7 +154,6 @@ int __aout_VolumeInfos( vlc_object_t * p_object, audio_volume_t * pi_soft )
 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;
@@ -175,8 +171,7 @@ int __aout_VolumeUp( vlc_object_t * p_object, int i_nb_steps,
                     (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 );
+    var_SetBool( p_object->p_libvlc, "volume-change", true );
 
     if ( p_aout == NULL ) return 0;
 
@@ -201,7 +196,6 @@ int __aout_VolumeUp( 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;
@@ -218,8 +212,7 @@ int __aout_VolumeDown( vlc_object_t * p_object, int i_nb_steps,
     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 );
+    var_SetBool( p_object->p_libvlc, "volume-change", true );
 
     if ( p_aout == NULL ) return 0;