]> git.sesse.net Git - vlc/blobdiff - modules/audio_output/waveout.c
FSF address change.
[vlc] / modules / audio_output / waveout.c
index 8e5bb3696f3a99fbca4a7657711da649ea12d12c..fbee1c0ab161c6a4326f17ac621d617cbc86ad74 100644 (file)
@@ -1,16 +1,16 @@
 /*****************************************************************************
  * waveout.c : Windows waveOut plugin for vlc
  *****************************************************************************
- * Copyright (C) 2001 VideoLAN
- * $Id: waveout.c,v 1.5 2002/08/25 09:40:00 sam Exp $
+ * Copyright (C) 2001 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Gildas Bazin <gbazin@videolan.org>
  *
- * Authors: Gildas Bazin <gbazin@netcourrier.com>
- *      
  * 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
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
 /*****************************************************************************
  * Preamble
  *****************************************************************************/
-#include <errno.h>                                                 /* ENOMEM */
-#include <fcntl.h>                                       /* open(), O_WRONLY */
 #include <string.h>                                            /* strerror() */
-
 #include <stdlib.h>                            /* calloc(), malloc(), free() */
 
 #include <vlc/vlc.h>
 #include <vlc/aout.h>
 #include "aout_internal.h"
 
+#include <windows.h>
 #include <mmsystem.h>
 
-#define FRAME_SIZE 2048              /* The size is in samples, not in bytes */
+#define FRAME_SIZE 4096              /* The size is in samples, not in bytes */
+#define FRAMES_NUM 8
 
 /*****************************************************************************
- * Local prototypes
+ * Useful macros
  *****************************************************************************/
-static int  Open         ( vlc_object_t * );             
-static void Close        ( vlc_object_t * );                   
+#ifdef UNDER_CE
+#   define DWORD_PTR DWORD
+#   ifdef waveOutGetDevCaps
+#       undef waveOutGetDevCaps
+        MMRESULT WINAPI waveOutGetDevCaps(UINT, LPWAVEOUTCAPS, UINT);
+#   endif
+#endif
+
+#ifndef WAVE_FORMAT_IEEE_FLOAT
+#   define WAVE_FORMAT_IEEE_FLOAT 0x0003
+#endif
+
+#ifndef WAVE_FORMAT_DOLBY_AC3_SPDIF
+#   define WAVE_FORMAT_DOLBY_AC3_SPDIF 0x0092
+#endif
+
+#ifndef WAVE_FORMAT_EXTENSIBLE
+#define  WAVE_FORMAT_EXTENSIBLE   0xFFFE
+#endif
+
+#ifndef SPEAKER_FRONT_LEFT
+#   define SPEAKER_FRONT_LEFT             0x1
+#   define SPEAKER_FRONT_RIGHT            0x2
+#   define SPEAKER_FRONT_CENTER           0x4
+#   define SPEAKER_LOW_FREQUENCY          0x8
+#   define SPEAKER_BACK_LEFT              0x10
+#   define SPEAKER_BACK_RIGHT             0x20
+#   define SPEAKER_FRONT_LEFT_OF_CENTER   0x40
+#   define SPEAKER_FRONT_RIGHT_OF_CENTER  0x80
+#   define SPEAKER_BACK_CENTER            0x100
+#   define SPEAKER_SIDE_LEFT              0x200
+#   define SPEAKER_SIDE_RIGHT             0x400
+#   define SPEAKER_TOP_CENTER             0x800
+#   define SPEAKER_TOP_FRONT_LEFT         0x1000
+#   define SPEAKER_TOP_FRONT_CENTER       0x2000
+#   define SPEAKER_TOP_FRONT_RIGHT        0x4000
+#   define SPEAKER_TOP_BACK_LEFT          0x8000
+#   define SPEAKER_TOP_BACK_CENTER        0x10000
+#   define SPEAKER_TOP_BACK_RIGHT         0x20000
+#   define SPEAKER_RESERVED               0x80000000
+#endif
+
+#ifndef _WAVEFORMATEXTENSIBLE_
+typedef struct {
+    WAVEFORMATEX    Format;
+    union {
+        WORD wValidBitsPerSample;       /* bits of precision  */
+        WORD wSamplesPerBlock;          /* valid if wBitsPerSample==0 */
+        WORD wReserved;                 /* If neither applies, set to zero. */
+    } Samples;
+    DWORD           dwChannelMask;      /* which channels are */
+                                        /* present in stream  */
+    GUID            SubFormat;
+} WAVEFORMATEXTENSIBLE, *PWAVEFORMATEXTENSIBLE;
+#endif
+
+static const GUID __KSDATAFORMAT_SUBTYPE_IEEE_FLOAT = {WAVE_FORMAT_IEEE_FLOAT, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
+static const GUID __KSDATAFORMAT_SUBTYPE_PCM = {WAVE_FORMAT_PCM, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
+static const GUID __KSDATAFORMAT_SUBTYPE_DOLBY_AC3_SPDIF = {WAVE_FORMAT_DOLBY_AC3_SPDIF, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
 
-static int  SetFormat    ( aout_instance_t * );  
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+static int  Open         ( vlc_object_t * );
+static void Close        ( vlc_object_t * );
 static void Play         ( aout_instance_t * );
 
+/*****************************************************************************
+ * notification_thread_t: waveOut event thread
+ *****************************************************************************/
+typedef struct notification_thread_t
+{
+    VLC_COMMON_MEMBERS
+    aout_instance_t *p_aout;
+
+} notification_thread_t;
+
 /* local functions */
-static int OpenWaveOut   ( aout_instance_t *p_aout, int i_format,
-                           int i_channels, int i_rate );
+static void Probe        ( aout_instance_t * );
+static int OpenWaveOut   ( aout_instance_t *, int, int, int, int, vlc_bool_t );
+static int OpenWaveOutPCM( aout_instance_t *, int*, int, int, int, vlc_bool_t );
 static int PlayWaveOut   ( aout_instance_t *, HWAVEOUT, WAVEHDR *,
                            aout_buffer_t * );
-static void CALLBACK WaveOutCallback ( HWAVEOUT h_waveout, UINT uMsg,
-                                       DWORD _p_aout,
-                                       DWORD dwParam1, DWORD dwParam2 );
+
+static void CALLBACK WaveOutCallback ( HWAVEOUT, UINT, DWORD, DWORD, DWORD );
+static void WaveOutThread( notification_thread_t * );
+
+static int VolumeInfos( aout_instance_t *, audio_volume_t * );
+static int VolumeGet( aout_instance_t *, audio_volume_t * );
+static int VolumeSet( aout_instance_t *, audio_volume_t );
 
 /*****************************************************************************
  * Module descriptor
  *****************************************************************************/
+#define FLOAT_TEXT N_("Use float32 output")
+#define FLOAT_LONGTEXT N_( \
+    "The option allows you to enable or disable the high-quality float32 " \
+    "audio output mode (which is not well supported by some soundcards)." )
+
 vlc_module_begin();
-    set_description( _("Win32 waveOut extension module") ); 
+    set_shortname( "WaveOut" );
+    set_description( _("Win32 waveOut extension output") );
     set_capability( "audio output", 50 );
+    set_category( CAT_AUDIO );
+    set_subcategory( SUBCAT_AUDIO_AOUT );
+    add_bool( "waveout-float32", 1, 0, FLOAT_TEXT, FLOAT_LONGTEXT, VLC_TRUE );
     set_callbacks( Open, Close );
 vlc_module_end();
 
@@ -75,23 +159,47 @@ struct aout_sys_t
 {
     HWAVEOUT h_waveout;                        /* handle to waveout instance */
 
-    WAVEFORMATEX waveformat;                                 /* audio format */
+    WAVEFORMATEXTENSIBLE waveformat;                         /* audio format */
 
-    WAVEHDR waveheader[2];
+    WAVEHDR waveheader[FRAMES_NUM];
+
+    notification_thread_t *p_notif;                      /* WaveOutThread id */
+    HANDLE event;
 
     int i_buffer_size;
 
     byte_t *p_silence_buffer;               /* buffer we use to play silence */
+
+    vlc_bool_t b_chan_reorder;              /* do we need channel reordering */
+    int pi_chan_table[AOUT_CHAN_MAX];
 };
 
+static const uint32_t pi_channels_src[] =
+    { AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT,
+      AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT,
+      AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT,
+      AOUT_CHAN_CENTER, AOUT_CHAN_LFE, 0 };
+static const uint32_t pi_channels_in[] =
+    { SPEAKER_FRONT_LEFT, SPEAKER_FRONT_RIGHT,
+      SPEAKER_SIDE_LEFT, SPEAKER_SIDE_RIGHT,
+      SPEAKER_BACK_LEFT, SPEAKER_BACK_RIGHT,
+      SPEAKER_FRONT_CENTER, SPEAKER_LOW_FREQUENCY, 0 };
+static const uint32_t pi_channels_out[] =
+    { SPEAKER_FRONT_LEFT, SPEAKER_FRONT_RIGHT,
+      SPEAKER_FRONT_CENTER, SPEAKER_LOW_FREQUENCY,
+      SPEAKER_BACK_LEFT, SPEAKER_BACK_RIGHT,
+      SPEAKER_SIDE_LEFT, SPEAKER_SIDE_RIGHT, 0 };
+
 /*****************************************************************************
  * Open: open the audio device
  *****************************************************************************
  * This function opens and setups Win32 waveOut
  *****************************************************************************/
 static int Open( vlc_object_t *p_this )
-{   
+{
     aout_instance_t *p_aout = (aout_instance_t *)p_this;
+    vlc_value_t val;
+    int i;
 
     /* Allocate structure */
     p_aout->output.p_sys = malloc( sizeof( aout_sys_t ) );
@@ -99,85 +207,265 @@ static int Open( vlc_object_t *p_this )
     if( p_aout->output.p_sys == NULL )
     {
         msg_Err( p_aout, "out of memory" );
-        return 1;
+        return VLC_EGENERIC;
     }
 
-    p_aout->output.pf_setformat = SetFormat;
     p_aout->output.pf_play = Play;
+    p_aout->b_die = VLC_FALSE;
+
+    if( var_Type( p_aout, "audio-device" ) == 0 )
+    {
+        Probe( p_aout );
+    }
+
+    if( var_Get( p_aout, "audio-device", &val ) < 0 )
+    {
+        /* Probe() has failed. */
+        free( p_aout->output.p_sys );
+        return VLC_EGENERIC;
+    }
+
+    var_Create( p_aout, "waveout-float32", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
+
+    /* Open the device */
+    if( val.i_int == AOUT_VAR_SPDIF )
+    {
+        p_aout->output.output.i_format = VLC_FOURCC('s','p','d','i');
+
+        if( OpenWaveOut( p_aout, VLC_FOURCC('s','p','d','i'),
+                         p_aout->output.output.i_physical_channels,
+                         aout_FormatNbChannels( &p_aout->output.output ),
+                         p_aout->output.output.i_rate, VLC_FALSE )
+            != VLC_SUCCESS )
+        {
+            msg_Err( p_aout, "cannot open waveout audio device" );
+            free( p_aout->output.p_sys );
+            return VLC_EGENERIC;
+        }
+
+        /* Calculate the frame size in bytes */
+        p_aout->output.i_nb_samples = A52_FRAME_NB;
+        p_aout->output.output.i_bytes_per_frame = AOUT_SPDIF_SIZE;
+        p_aout->output.output.i_frame_length = A52_FRAME_NB;
+        p_aout->output.p_sys->i_buffer_size =
+            p_aout->output.output.i_bytes_per_frame;
+
+        aout_VolumeNoneInit( p_aout );
+    }
+    else
+    {
+        WAVEOUTCAPS wocaps;
+
+        if( val.i_int == 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 )
+        {
+            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 )
+        {
+            p_aout->output.output.i_physical_channels = AOUT_CHAN_CENTER;
+        }
+        else
+        {
+            p_aout->output.output.i_physical_channels
+                = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
+        }
+
+        if( OpenWaveOutPCM( p_aout, &p_aout->output.output.i_format,
+                            p_aout->output.output.i_physical_channels,
+                            aout_FormatNbChannels( &p_aout->output.output ),
+                            p_aout->output.output.i_rate, VLC_FALSE )
+            != VLC_SUCCESS )
+        {
+            msg_Err( p_aout, "cannot open waveout audio device" );
+            free( p_aout->output.p_sys );
+            return VLC_EGENERIC;
+        }
+
+        /* Calculate the frame size in bytes */
+        p_aout->output.i_nb_samples = FRAME_SIZE;
+        aout_FormatPrepare( &p_aout->output.output );
+        p_aout->output.p_sys->i_buffer_size = FRAME_SIZE *
+            p_aout->output.output.i_bytes_per_frame;
+
+        aout_VolumeSoftInit( p_aout );
+
+        /* Check for hardware volume support */
+        if( waveOutGetDevCaps( (UINT_PTR)p_aout->output.p_sys->h_waveout,
+                               &wocaps, sizeof(wocaps) ) == MMSYSERR_NOERROR &&
+            wocaps.dwSupport & WAVECAPS_VOLUME )
+        {
+            DWORD i_dummy;
+            if( waveOutGetVolume( p_aout->output.p_sys->h_waveout, &i_dummy )
+                == MMSYSERR_NOERROR )
+            {
+                p_aout->output.pf_volume_infos = VolumeInfos;
+                p_aout->output.pf_volume_get = VolumeGet;
+                p_aout->output.pf_volume_set = VolumeSet;
+            }
+        }
+    }
+
+
+    waveOutReset( p_aout->output.p_sys->h_waveout );
 
-    /* calculate the frame size in bytes */
-    p_aout->output.p_sys->i_buffer_size = FRAME_SIZE * sizeof(s16)
-                                  * p_aout->output.p_sys->waveformat.nChannels;
     /* Allocate silence buffer */
     p_aout->output.p_sys->p_silence_buffer =
-        calloc( p_aout->output.p_sys->i_buffer_size, 1 );
+        malloc( p_aout->output.p_sys->i_buffer_size );
     if( p_aout->output.p_sys->p_silence_buffer == NULL )
     {
+        free( p_aout->output.p_sys );
         msg_Err( p_aout, "out of memory" );
         return 1;
     }
 
-    /* We need to open the device with default values to be sure it is
-     * available */
-    return OpenWaveOut( p_aout, WAVE_FORMAT_PCM, 2, 44100 );
+    /* Zero the buffer. WinCE doesn't have calloc(). */
+    memset( p_aout->output.p_sys->p_silence_buffer, 0,
+            p_aout->output.p_sys->i_buffer_size );
+
+    /* Now we need to setup our waveOut play notification structure */
+    p_aout->output.p_sys->p_notif =
+        vlc_object_create( p_aout, sizeof(notification_thread_t) );
+    p_aout->output.p_sys->p_notif->p_aout = p_aout;
+    p_aout->output.p_sys->event = CreateEvent( NULL, FALSE, FALSE, NULL );
+
+    /* Then launch the notification thread */
+    if( vlc_thread_create( p_aout->output.p_sys->p_notif,
+                           "waveOut Notification Thread", WaveOutThread,
+                           VLC_THREAD_PRIORITY_HIGHEST, VLC_FALSE ) )
+    {
+        msg_Err( p_aout, "cannot create WaveOutThread" );
+    }
+
+    /* We need to kick off the playback in order to have the callback properly
+     * working */
+    for( i = 0; i < FRAMES_NUM; i++ )
+    {
+        p_aout->output.p_sys->waveheader[i].dwFlags = WHDR_DONE;
+        p_aout->output.p_sys->waveheader[i].dwUser = 0;
+    }
+    PlayWaveOut( p_aout, p_aout->output.p_sys->h_waveout,
+                 &p_aout->output.p_sys->waveheader[0], NULL );
+
+    return 0;
 }
 
 /*****************************************************************************
- * SetFormat: reset the audio device and sets its format
- *****************************************************************************
- * This functions set a new audio format.
- * For this we need to close the current device and create another
- * one with the desired format.
+ * Probe: probe the audio device for available formats and channels
  *****************************************************************************/
-static int SetFormat( aout_instance_t *p_aout )
+static void Probe( aout_instance_t * p_aout )
 {
-    msg_Dbg( p_aout, "SetFormat" );
-
-    waveOutReset( p_aout->output.p_sys->h_waveout );
-
-    p_aout->output.output.i_format = AOUT_FMT_S16_NE;
-    p_aout->output.i_nb_samples = FRAME_SIZE;
+    vlc_value_t val, text;
+    int i_format;
+    unsigned int i_physical_channels;
+
+    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 );
+
+    /* Test for 5.1 support */
+    i_physical_channels = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT |
+                          AOUT_CHAN_CENTER | AOUT_CHAN_REARLEFT |
+                          AOUT_CHAN_REARRIGHT | AOUT_CHAN_LFE;
+    if( p_aout->output.output.i_physical_channels == i_physical_channels )
+    {
+        if( OpenWaveOutPCM( p_aout, &i_format,
+                            i_physical_channels, 6,
+                            p_aout->output.output.i_rate, VLC_TRUE )
+            == VLC_SUCCESS )
+        {
+            val.i_int = AOUT_VAR_5_1;
+            text.psz_string = N_("5.1");
+            var_Change( p_aout, "audio-device",
+                        VLC_VAR_ADDCHOICE, &val, &text );
+            msg_Dbg( p_aout, "device supports 5.1 channels" );
+        }
+    }
 
-    /* Check if the format has changed */
-    if( (p_aout->output.p_sys->waveformat.nChannels !=
-             p_aout->output.output.i_channels) ||
-        (p_aout->output.p_sys->waveformat.nSamplesPerSec !=
-             p_aout->output.output.i_rate) )
+    /* Test for 2 Front 2 Rear support */
+    i_physical_channels = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT |
+                          AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT;
+    if( ( p_aout->output.output.i_physical_channels & i_physical_channels )
+        == i_physical_channels )
     {
-        if( waveOutClose( p_aout->output.p_sys->h_waveout ) !=
-                MMSYSERR_NOERROR )
+        if( OpenWaveOutPCM( p_aout, &i_format,
+                            i_physical_channels, 4,
+                            p_aout->output.output.i_rate, VLC_TRUE )
+            == VLC_SUCCESS )
         {
-            msg_Err( p_aout, "waveOutClose failed" );
+            val.i_int = AOUT_VAR_2F2R;
+            text.psz_string = N_("2 Front 2 Rear");
+            var_Change( p_aout, "audio-device",
+                        VLC_VAR_ADDCHOICE, &val, &text );
+            msg_Dbg( p_aout, "device supports 4 channels" );
         }
+    }
 
-        /* calculate the frame size in bytes */
-        p_aout->output.p_sys->i_buffer_size = FRAME_SIZE * sizeof(s16)
-                                            * p_aout->output.output.i_channels;
+    /* Test for stereo support */
+    i_physical_channels = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
+    if( OpenWaveOutPCM( p_aout, &i_format,
+                        i_physical_channels, 2,
+                        p_aout->output.output.i_rate, VLC_TRUE )
+        == VLC_SUCCESS )
+    {
+        val.i_int = AOUT_VAR_STEREO;
+        text.psz_string = N_("Stereo");
+        var_Change( p_aout, "audio-device", VLC_VAR_ADDCHOICE, &val, &text );
+        msg_Dbg( p_aout, "device supports 2 channels" );
+    }
 
-        /* take care of silence buffer */
-        free( p_aout->output.p_sys->p_silence_buffer );
-        p_aout->output.p_sys->p_silence_buffer =
-            calloc( p_aout->output.p_sys->i_buffer_size, 1 );
-        if( p_aout->output.p_sys->p_silence_buffer == NULL )
+    /* Test for mono support */
+    i_physical_channels = AOUT_CHAN_CENTER;
+    if( OpenWaveOutPCM( p_aout, &i_format,
+                        i_physical_channels, 1,
+                        p_aout->output.output.i_rate, VLC_TRUE )
+        == VLC_SUCCESS )
+    {
+        val.i_int = AOUT_VAR_MONO;
+        text.psz_string = N_("Mono");
+        var_Change( p_aout, "audio-device", VLC_VAR_ADDCHOICE, &val, &text );
+        msg_Dbg( p_aout, "device supports 1 channel" );
+    }
+
+    /* Test for SPDIF support */
+    if ( AOUT_FMT_NON_LINEAR( &p_aout->output.output ) )
+    {
+        if( OpenWaveOut( p_aout, VLC_FOURCC('s','p','d','i'),
+                         p_aout->output.output.i_physical_channels,
+                         aout_FormatNbChannels( &p_aout->output.output ),
+                         p_aout->output.output.i_rate, VLC_TRUE )
+            == VLC_SUCCESS )
         {
-            msg_Err( p_aout, "out of memory" );
-            return 1;
+            msg_Dbg( p_aout, "device supports A/52 over S/PDIF" );
+            val.i_int = AOUT_VAR_SPDIF;
+            text.psz_string = N_("A/52 over S/PDIF");
+            var_Change( p_aout, "audio-device",
+                        VLC_VAR_ADDCHOICE, &val, &text );
+            if( config_GetInt( p_aout, "spdif" ) )
+                var_Set( p_aout, "audio-device", val );
         }
+    }
 
-        if( OpenWaveOut( p_aout, WAVE_FORMAT_PCM,
-                         p_aout->output.output.i_channels,
-                         p_aout->output.output.i_rate ) )
-            return 1;
+    var_Change( p_aout, "audio-device", VLC_VAR_CHOICESCOUNT, &val, NULL );
+    if( val.i_int <= 0 )
+    {
+        /* Probe() has failed. */
+        var_Destroy( p_aout, "audio-device" );
+        return;
     }
 
-    /* We need to kick off the playback in order to have the callback properly
-     * working */
-    PlayWaveOut( p_aout, p_aout->output.p_sys->h_waveout,
-                 &p_aout->output.p_sys->waveheader[0], NULL );
-    PlayWaveOut( p_aout, p_aout->output.p_sys->h_waveout,
-                 &p_aout->output.p_sys->waveheader[1], NULL );
+    var_AddCallback( p_aout, "audio-device", aout_ChannelsRestart, NULL );
 
-    return 0;
+    val.b_bool = VLC_TRUE;
+    var_Set( p_aout, "intf-change", val );
 }
 
 /*****************************************************************************
@@ -186,7 +474,7 @@ static int SetFormat( aout_instance_t *p_aout )
  * This doesn't actually play the buffer. This just stores the buffer so it
  * can be played by the callback thread.
  *****************************************************************************/
-static void Play( aout_instance_t *p_aout )
+static void Play( aout_instance_t *_p_aout )
 {
 }
 
@@ -194,64 +482,170 @@ static void Play( aout_instance_t *p_aout )
  * Close: close the audio device
  *****************************************************************************/
 static void Close( vlc_object_t *p_this )
-{       
+{
     aout_instance_t *p_aout = (aout_instance_t *)p_this;
+    aout_sys_t *p_sys = p_aout->output.p_sys;
 
     /* Before calling waveOutClose we must reset the device */
-    waveOutReset( p_aout->output.p_sys->h_waveout );
+    p_aout->b_die = VLC_TRUE;
+
+    waveOutReset( p_sys->h_waveout );
+
+    /* wake up the audio thread */
+    SetEvent( p_sys->event );
+    vlc_thread_join( p_sys->p_notif );
+    vlc_object_destroy( p_sys->p_notif );
+    CloseHandle( p_sys->event );
 
     /* Close the device */
-    if( waveOutClose( p_aout->output.p_sys->h_waveout ) != MMSYSERR_NOERROR )
+    if( waveOutClose( p_sys->h_waveout ) != MMSYSERR_NOERROR )
     {
         msg_Err( p_aout, "waveOutClose failed" );
     }
 
-    /* Free silence buffer */
-    free( p_aout->output.p_sys->p_silence_buffer );
-
-    if( p_aout->output.p_sys != NULL )
-    { 
-        free( p_aout->output.p_sys );
-        p_aout->output.p_sys = NULL;
-    }
+    free( p_sys->p_silence_buffer );
+    free( p_sys );
 }
 
 /*****************************************************************************
  * OpenWaveOut: open the waveout sound device
  ****************************************************************************/
 static int OpenWaveOut( aout_instance_t *p_aout, int i_format,
-                        int i_channels, int i_rate )
+                        int i_channels, int i_nb_channels, int i_rate,
+                        vlc_bool_t b_probe )
 {
     MMRESULT result;
+    unsigned int i;
 
     /* Set sound format */
-    p_aout->output.p_sys->waveformat.wFormatTag = i_format;
-    p_aout->output.p_sys->waveformat.nChannels = i_channels;
-    p_aout->output.p_sys->waveformat.nSamplesPerSec = i_rate;
-    p_aout->output.p_sys->waveformat.wBitsPerSample = 16;
-    p_aout->output.p_sys->waveformat.nBlockAlign =
-        p_aout->output.p_sys->waveformat.wBitsPerSample / 8 * i_channels;
-    p_aout->output.p_sys->waveformat.nAvgBytesPerSec  =
-        p_aout->output.p_sys->waveformat.nSamplesPerSec *
-            p_aout->output.p_sys->waveformat.nBlockAlign;
+
+#define waveformat p_aout->output.p_sys->waveformat
+
+    waveformat.dwChannelMask = 0;
+    for( i = 0; i < sizeof(pi_channels_src)/sizeof(uint32_t); i++ )
+    {
+        if( i_channels & pi_channels_src[i] )
+            waveformat.dwChannelMask |= pi_channels_in[i];
+    }
+
+    switch( i_format )
+    {
+    case VLC_FOURCC('s','p','d','i'):
+        i_nb_channels = 2;
+        /* To prevent channel re-ordering */
+        waveformat.dwChannelMask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT;
+        waveformat.Format.wBitsPerSample = 16;
+        waveformat.Samples.wValidBitsPerSample =
+            waveformat.Format.wBitsPerSample;
+        waveformat.Format.wFormatTag = WAVE_FORMAT_DOLBY_AC3_SPDIF;
+        waveformat.SubFormat = __KSDATAFORMAT_SUBTYPE_DOLBY_AC3_SPDIF;
+        break;
+
+    case VLC_FOURCC('f','l','3','2'):
+        waveformat.Format.wBitsPerSample = sizeof(float) * 8;
+        waveformat.Samples.wValidBitsPerSample =
+            waveformat.Format.wBitsPerSample;
+        waveformat.Format.wFormatTag = WAVE_FORMAT_IEEE_FLOAT;
+        waveformat.SubFormat = __KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
+        break;
+
+    case VLC_FOURCC('s','1','6','l'):
+        waveformat.Format.wBitsPerSample = 16;
+        waveformat.Samples.wValidBitsPerSample =
+            waveformat.Format.wBitsPerSample;
+        waveformat.Format.wFormatTag = WAVE_FORMAT_PCM;
+        waveformat.SubFormat = __KSDATAFORMAT_SUBTYPE_PCM;
+        break;
+    }
+
+    waveformat.Format.nChannels = i_nb_channels;
+    waveformat.Format.nSamplesPerSec = i_rate;
+    waveformat.Format.nBlockAlign =
+        waveformat.Format.wBitsPerSample / 8 * i_nb_channels;
+    waveformat.Format.nAvgBytesPerSec =
+        waveformat.Format.nSamplesPerSec * waveformat.Format.nBlockAlign;
+
+    /* Only use the new WAVE_FORMAT_EXTENSIBLE format for multichannel audio */
+    if( i_nb_channels <= 2 )
+    {
+        waveformat.Format.cbSize = 0;
+    }
+    else
+    {
+        waveformat.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
+        waveformat.Format.cbSize =
+            sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX);
+    }
 
     /* Open the device */
     result = waveOutOpen( &p_aout->output.p_sys->h_waveout, WAVE_MAPPER,
-                          &p_aout->output.p_sys->waveformat,
+                          (WAVEFORMATEX *)&waveformat,
                           (DWORD_PTR)WaveOutCallback, (DWORD_PTR)p_aout,
-                          CALLBACK_FUNCTION );
+                          CALLBACK_FUNCTION | (b_probe?WAVE_FORMAT_QUERY:0) );
     if( result == WAVERR_BADFORMAT )
     {
-        msg_Err( p_aout, "waveOutOpen failed WAVERR_BADFORMAT" );
-        return( 1 );
+        msg_Warn( p_aout, "waveOutOpen failed WAVERR_BADFORMAT" );
+        return VLC_EGENERIC;
+    }
+    if( result == MMSYSERR_ALLOCATED )
+    {
+        msg_Warn( p_aout, "waveOutOpen failed WAVERR_ALLOCATED" );
+        return VLC_EGENERIC;
     }
     if( result != MMSYSERR_NOERROR )
     {
-        msg_Err( p_aout, "waveOutOpen failed" );
-        return 1;
+        msg_Warn( p_aout, "waveOutOpen failed" );
+        return VLC_EGENERIC;
     }
 
-    return 0;
+    p_aout->output.p_sys->b_chan_reorder =
+        aout_CheckChannelReorder( pi_channels_in, pi_channels_out,
+                                  waveformat.dwChannelMask, i_nb_channels,
+                                  p_aout->output.p_sys->pi_chan_table );
+
+    if( p_aout->output.p_sys->b_chan_reorder )
+    {
+        msg_Dbg( p_aout, "channel reordering needed" );
+    }
+
+    return VLC_SUCCESS;
+
+#undef waveformat
+
+}
+
+/*****************************************************************************
+ * OpenWaveOutPCM: open a PCM waveout sound device
+ ****************************************************************************/
+static int OpenWaveOutPCM( aout_instance_t *p_aout, int *i_format,
+                           int i_channels, int i_nb_channels, int i_rate,
+                           vlc_bool_t b_probe )
+{
+    vlc_value_t val;
+
+    var_Get( p_aout, "waveout-float32", &val );
+
+    if( !val.b_bool || OpenWaveOut( p_aout, VLC_FOURCC('f','l','3','2'),
+                                   i_channels, i_nb_channels, i_rate, b_probe )
+        != VLC_SUCCESS )
+    {
+        if ( OpenWaveOut( p_aout, VLC_FOURCC('s','1','6','l'),
+                          i_channels, i_nb_channels, i_rate, b_probe )
+             != VLC_SUCCESS )
+        {
+            return VLC_EGENERIC;
+        }
+        else
+        {
+            *i_format = VLC_FOURCC('s','1','6','l');
+            return VLC_SUCCESS;
+        }
+    }
+    else
+    {
+        *i_format = VLC_FOURCC('f','l','3','2');
+        return VLC_SUCCESS;
+    }
 }
 
 /*****************************************************************************
@@ -269,7 +663,7 @@ static int PlayWaveOut( aout_instance_t *p_aout, HWAVEOUT h_waveout,
         /* Use silence buffer instead */
         p_waveheader->lpData = p_aout->output.p_sys->p_silence_buffer;
 
-    p_waveheader->dwUser = (DWORD_PTR)p_buffer;
+    p_waveheader->dwUser = p_buffer ? (DWORD_PTR)p_buffer : (DWORD_PTR)1;
     p_waveheader->dwBufferLength = p_aout->output.p_sys->i_buffer_size;
     p_waveheader->dwFlags = 0;
 
@@ -277,7 +671,7 @@ static int PlayWaveOut( aout_instance_t *p_aout, HWAVEOUT h_waveout,
     if( result != MMSYSERR_NOERROR )
     {
         msg_Err( p_aout, "waveOutPrepareHeader failed" );
-        return 1;
+        return VLC_EGENERIC;
     }
 
     /* Send the buffer to the waveOut queue */
@@ -285,10 +679,10 @@ static int PlayWaveOut( aout_instance_t *p_aout, HWAVEOUT h_waveout,
     if( result != MMSYSERR_NOERROR )
     {
         msg_Err( p_aout, "waveOutWrite failed" );
-        return 1;
+        return VLC_EGENERIC;
     }
 
-    return 0;
+    return VLC_SUCCESS;
 }
 
 /*****************************************************************************
@@ -298,19 +692,147 @@ static void CALLBACK WaveOutCallback( HWAVEOUT h_waveout, UINT uMsg,
                                       DWORD _p_aout,
                                       DWORD dwParam1, DWORD dwParam2 )
 {
-    aout_instance_t * p_aout = (aout_instance_t *)_p_aout;
-    WAVEHDR *p_waveheader = (WAVEHDR *)dwParam1;
-    aout_buffer_t * p_buffer;
+    aout_instance_t *p_aout = (aout_instance_t *)_p_aout;
+    int i, i_queued_frames = 0;
 
     if( uMsg != WOM_DONE ) return;
 
-    /* Unprepare and free the buffer which has just been played */
-    waveOutUnprepareHeader( h_waveout, p_waveheader, sizeof(WAVEHDR) );
-    if( p_waveheader->dwUser )
-        aout_BufferFree( (aout_buffer_t *)p_waveheader->dwUser );
+    if( p_aout->b_die ) return;
+
+    /* Find out the current latency */
+    for( i = 0; i < FRAMES_NUM; i++ )
+    {
+        /* Check if frame buf is available */
+        if( !(p_aout->output.p_sys->waveheader[i].dwFlags & WHDR_DONE) )
+        {
+            i_queued_frames++;
+        }
+    }
+
+    /* Don't wake up the thread too much */
+    if( i_queued_frames < FRAMES_NUM / 2 )
+        SetEvent( p_aout->output.p_sys->event );
+}
+
+/*****************************************************************************
+ * WaveOutThread: this thread will capture play notification events.
+ *****************************************************************************
+ * We use this thread to feed new audio samples to the sound card because
+ * we are not authorized to use waveOutWrite() directly in the waveout
+ * callback.
+ *****************************************************************************/
+static void WaveOutThread( notification_thread_t *p_notif )
+{
+    aout_instance_t *p_aout = p_notif->p_aout;
+    aout_sys_t *p_sys = p_aout->output.p_sys;
+    aout_buffer_t *p_buffer = NULL;
+    WAVEHDR *p_waveheader = p_sys->waveheader;
+    int i, i_queued_frames;
+    vlc_bool_t b_sleek;
+
+    /* We don't want any resampling when using S/PDIF */
+    b_sleek = p_aout->output.output.i_format == VLC_FOURCC('s','p','d','i');
+
+    while( 1 )
+    {
+        WaitForSingleObject( p_sys->event, INFINITE );
+
+        /* Cleanup and find out the current latency */
+        i_queued_frames = 0;
+        for( i = 0; i < FRAMES_NUM; i++ )
+        {
+            if( (p_waveheader[i].dwFlags & WHDR_DONE) &&
+                p_waveheader[i].dwUser )
+            {
+                /* Unprepare and free the buffers which has just been played */
+                waveOutUnprepareHeader( p_sys->h_waveout, &p_waveheader[i],
+                                        sizeof(WAVEHDR) );
+
+                if( p_waveheader[i].dwUser != 1 )
+                    aout_BufferFree( (aout_buffer_t *)p_waveheader[i].dwUser );
+
+                p_waveheader[i].dwUser = 0;
+            }
+
+            /* Check if frame buf is available */
+            if( !(p_waveheader[i].dwFlags & WHDR_DONE) )
+            {
+                i_queued_frames++;
+            }
+        }
+
+        if( p_aout->b_die ) return;
 
-    /* FIXME : take into account WaveOut latency instead of mdate() */
-    p_buffer = aout_OutputNextBuffer( p_aout, mdate(), VLC_FALSE );
+        /* Try to fill in as many frame buffers as possible */
+        for( i = 0; i < FRAMES_NUM; i++ )
+        {
+            /* Check if frame buf is available */
+            if( p_waveheader[i].dwFlags & WHDR_DONE )
+            {
+                /* Take into account the latency */
+                p_buffer = aout_OutputNextBuffer( p_aout,
+                    mdate() + 1000000 * i_queued_frames /
+                    p_aout->output.output.i_rate * p_aout->output.i_nb_samples,
+                    b_sleek );
+
+                if( !p_buffer && i_queued_frames )
+                {
+                    /* We aren't late so no need to play a blank sample */
+                    break;
+                }
+
+                /* Do the channel reordering */
+                if( p_buffer && p_sys->b_chan_reorder )
+                {
+                    aout_ChannelReorder( p_buffer->p_buffer,
+                        p_buffer->i_nb_bytes,
+                        p_sys->waveformat.Format.nChannels,
+                        p_sys->pi_chan_table,
+                        p_sys->waveformat.Format.wBitsPerSample );
+                }
+
+                PlayWaveOut( p_aout, p_sys->h_waveout,
+                             &p_waveheader[i], p_buffer );
+
+                i_queued_frames++;
+            }
+        }
+    }
+}
 
-    PlayWaveOut( p_aout, h_waveout, p_waveheader, p_buffer );
+static int VolumeInfos( aout_instance_t * p_aout, audio_volume_t * pi_soft )
+{
+    *pi_soft = AOUT_VOLUME_MAX / 2;
+    return 0;
+}
+
+static int VolumeGet( aout_instance_t * p_aout, audio_volume_t * pi_volume )
+{
+    DWORD i_waveout_vol;
+
+#ifdef UNDER_CE
+    waveOutGetVolume( 0, &i_waveout_vol );
+#else
+    waveOutGetVolume( p_aout->output.p_sys->h_waveout, &i_waveout_vol );
+#endif
+
+    i_waveout_vol &= 0xFFFF;
+    *pi_volume = p_aout->output.i_volume =
+        (i_waveout_vol * AOUT_VOLUME_MAX + 0xFFFF /*rounding*/) / 2 / 0xFFFF;
+    return 0;
+}
+
+static int VolumeSet( aout_instance_t * p_aout, audio_volume_t i_volume )
+{
+    unsigned long i_waveout_vol = i_volume * 0xFFFF * 2 / AOUT_VOLUME_MAX;
+    i_waveout_vol |= (i_waveout_vol << 16);
+
+#ifdef UNDER_CE
+    waveOutSetVolume( 0, i_waveout_vol );
+#else
+    waveOutSetVolume( p_aout->output.p_sys->h_waveout, i_waveout_vol );
+#endif
+
+    p_aout->output.i_volume = i_volume;
+    return 0;
 }