* modules/audio_output/directx.c: audio device selection based on a patch from Matthe...

[vlc] / modules / audio_output / sdl.c

diff --git a/modules/audio_output/sdl.c b/modules/audio_output/sdl.c
index 8620022659ad22b4ff9ae08467b0519c4b8dce86..34b9087e2090c53acd851a61ef5fcea92918b35e 100644 (file)
--- a/modules/audio_output/sdl.c
+++ b/modules/audio_output/sdl.c
@@ -2,18 +2,18 @@
  * sdl.c : SDL audio output plugin for vlc
  *****************************************************************************
  * Copyright (C) 2000-2002 VideoLAN
- * $Id: sdl.c,v 1.14 2002/10/16 23:12:45 massiot Exp $
+ * $Id$
  *
  * Authors: Michel Kaempf <maxx@via.ecp.fr>
- *          Samuel Hocevar <sam@zoy.org>
+ *          Sam Hocevar <sam@zoy.org>
  *          Pierre Baillet <oct@zoy.org>
  *          Christophe Massiot <massiot@via.ecp.fr>
- *      
+ *
  * 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
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
- * 
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -48,7 +48,7 @@
  * It describes the specific properties of an audio device.
  *****************************************************************************/
 struct aout_sys_t
-{   
+{
     mtime_t next_date;
     mtime_t buffer_time;
 };
@@ -59,14 +59,17 @@ struct aout_sys_t
 static int  Open        ( vlc_object_t * );
 static void Close       ( vlc_object_t * );
 static void Play        ( aout_instance_t * );
-static void SDLCallback ( void *, Uint8 *, int );
+static void SDLCallback ( void *, byte_t *, int );
 
 /*****************************************************************************
  * Module descriptor
  *****************************************************************************/
 vlc_module_begin();
-    set_description( _("Simple DirectMedia Layer audio module") );
+    set_shortname( "SDL" );
+    set_description( _("Simple DirectMedia Layer audio output") );
     set_capability( "audio output", 40 );
+    set_category( CAT_AUDIO );
+    set_subcategory( SUBCAT_AUDIO_AOUT );
     add_shortcut( "sdl" );
     set_callbacks( Open, Close );
 vlc_module_end();
@@ -79,9 +82,10 @@ static int Open ( vlc_object_t *p_this )
     aout_instance_t *p_aout = (aout_instance_t *)p_this;
     SDL_AudioSpec desired, obtained;
     int i_nb_channels;
+    vlc_value_t val, text;
 
     /* Check that no one uses the DSP. */
-    Uint32 i_flags = SDL_INIT_AUDIO;
+    uint32_t i_flags = SDL_INIT_AUDIO;
     if( SDL_WasInit( i_flags ) )
     {
         return VLC_EGENERIC;
@@ -104,12 +108,29 @@ static int Open ( vlc_object_t *p_this )
         return VLC_EGENERIC;
     }
 
+    if ( var_Type( p_aout, "audio-device" ) != 0 )
+    {
+        /* The user has selected an audio device. */
+        vlc_value_t val;
+        var_Get( p_aout, "audio-device", &val );
+        if ( val.i_int == AOUT_VAR_STEREO )
+        {
+            p_aout->output.output.i_physical_channels
+                = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
+        }
+        else if ( val.i_int == AOUT_VAR_MONO )
+        {
+            p_aout->output.output.i_physical_channels = AOUT_CHAN_CENTER;
+        }
+    }
+
     i_nb_channels = aout_FormatNbChannels( &p_aout->output.output );
     if ( i_nb_channels > 2 )
     {
         /* SDL doesn't support more than two channels. */
         i_nb_channels = 2;
-        p_aout->output.output.i_channels = AOUT_CHAN_STEREO;
+        p_aout->output.output.i_physical_channels
+            = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
     }
     desired.freq       = p_aout->output.output.i_rate;
     desired.format     = AUDIO_S16SYS;
@@ -147,10 +168,56 @@ static int Open ( vlc_object_t *p_this )
 
     if ( obtained.channels != i_nb_channels )
     {
-        p_aout->output.output.i_channels = (obtained.channels == 2 ?
-                                            AOUT_CHAN_STEREO :
-                                            AOUT_CHAN_MONO);
+        p_aout->output.output.i_physical_channels = (obtained.channels == 2 ?
+                                            AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT :
+                                            AOUT_CHAN_CENTER);
+
+        if ( var_Type( p_aout, "audio-device" ) == 0 )
+        {
+            var_Create( p_aout, "audio-device",
+                        VLC_VAR_INTEGER | VLC_VAR_HASCHOICE );
+            text.psz_string = _("Audio Device");
+            var_Change( p_aout, "audio-device", VLC_VAR_SETTEXT, &text, NULL );
+
+            val.i_int = (obtained.channels == 2) ? AOUT_VAR_STEREO :
+                        AOUT_VAR_MONO;
+            text.psz_string = (obtained.channels == 2) ? N_("Stereo") :
+                              N_("Mono");
+            var_Change( p_aout, "audio-device",
+                        VLC_VAR_ADDCHOICE, &val, &text );
+            var_AddCallback( p_aout, "audio-device", aout_ChannelsRestart,
+                             NULL );
+        }
+    }
+    else if ( var_Type( p_aout, "audio-device" ) == 0 )
+    {
+        /* First launch. */
+        var_Create( p_aout, "audio-device",
+                    VLC_VAR_INTEGER | VLC_VAR_HASCHOICE );
+        text.psz_string = _("Audio Device");
+        var_Change( p_aout, "audio-device", VLC_VAR_SETTEXT, &text, NULL );
+
+        val.i_int = AOUT_VAR_STEREO;
+        text.psz_string = N_("Stereo");
+        var_Change( p_aout, "audio-device", VLC_VAR_ADDCHOICE, &val, &text );
+        val.i_int = AOUT_VAR_MONO;
+        text.psz_string = N_("Mono");
+        var_Change( p_aout, "audio-device", VLC_VAR_ADDCHOICE, &val, &text );
+        if ( i_nb_channels == 2 )
+        {
+            val.i_int = AOUT_VAR_STEREO;
+        }
+        else
+        {
+            val.i_int = AOUT_VAR_MONO;
+        }
+        var_Change( p_aout, "audio-device", VLC_VAR_SETDEFAULT, &val, NULL );
+        var_AddCallback( p_aout, "audio-device", aout_ChannelsRestart, NULL );
     }
+
+    val.b_bool = VLC_TRUE;
+    var_Set( p_aout, "intf-change", val );
+
     p_aout->output.output.i_rate = obtained.freq;
     p_aout->output.i_nb_samples = obtained.samples;
     p_aout->output.pf_play = Play;