* waveout.c : Windows waveOut plugin for vlc
*****************************************************************************
* Copyright (C) 2001 VideoLAN
- * $Id: waveout.c,v 1.2 2002/08/10 18:17:06 gbazin Exp $
+ * $Id: waveout.c,v 1.19 2003/02/20 16:07:38 gbazin Exp $
*
* Authors: Gildas Bazin <gbazin@netcourrier.com>
*
/*****************************************************************************
* 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 1024 /* The size is in samples, not in bytes */
+#define FRAMES_NUM 4
/*****************************************************************************
- * Local prototypes
+ * Useful macros
*****************************************************************************/
-static int Open ( vlc_object_t * );
-static void Close ( vlc_object_t * );
+#ifdef UNDER_CE
+# define DWORD_PTR DWORD
+#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
+
+#include <initguid.h>
+#ifndef KSDATAFORMAT_SUBTYPE_IEEE_FLOAT
+DEFINE_GUID( KSDATAFORMAT_SUBTYPE_IEEE_FLOAT, WAVE_FORMAT_IEEE_FLOAT, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 );
+#endif
+#ifndef KSDATAFORMAT_SUBTYPE_PCM
+DEFINE_GUID( KSDATAFORMAT_SUBTYPE_PCM, WAVE_FORMAT_PCM, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 );
+#endif
+#ifndef KSDATAFORMAT_SUBTYPE_DOLBY_AC3_SPDIF
+DEFINE_GUID( KSDATAFORMAT_SUBTYPE_DOLBY_AC3_SPDIF, WAVE_FORMAT_DOLBY_AC3_SPDIF, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 );
+#endif
-static int SetFormat ( aout_instance_t * );
-static void Play ( aout_instance_t *, aout_buffer_t * );
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+static int Open ( vlc_object_t * );
+static void Close ( vlc_object_t * );
+static void Play ( aout_instance_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 void CheckReordering( aout_instance_t *, int );
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 InterleaveFloat32( float *, int *, int );
+static void InterleaveS16( int16_t *, int *, int );
/*****************************************************************************
* Module descriptor
*****************************************************************************/
vlc_module_begin();
- set_description( _("Win32 waveOut extension module") );
+ set_description( _("Win32 waveOut extension module") );
set_capability( "audio output", 50 );
set_callbacks( Open, Close );
vlc_module_end();
{
HWAVEOUT h_waveout; /* handle to waveout instance */
- WAVEFORMATEX waveformat; /* audio format */
+ WAVEFORMATEXTENSIBLE waveformat; /* audio format */
- WAVEHDR waveheader[2];
+ WAVEHDR waveheader[FRAMES_NUM];
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;
};
+static const uint32_t pi_channels_in[] =
+ { AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT,
+ AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT,
+ AOUT_CHAN_CENTER, AOUT_CHAN_LFE };
+static const uint32_t pi_channels_out[] =
+ { SPEAKER_FRONT_LEFT, SPEAKER_FRONT_RIGHT,
+ SPEAKER_BACK_LEFT, SPEAKER_BACK_RIGHT,
+ SPEAKER_FRONT_CENTER, SPEAKER_LOW_FREQUENCY };
+static const uint32_t pi_channels_ordered[] =
+ { SPEAKER_FRONT_LEFT, SPEAKER_FRONT_RIGHT, SPEAKER_FRONT_CENTER,
+ SPEAKER_LOW_FREQUENCY,
+ SPEAKER_BACK_LEFT, SPEAKER_BACK_RIGHT };
+
/*****************************************************************************
* 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 ) );
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->output.p_sys->pi_chan_table = NULL;
+ 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;
+ }
+
+ /* Open the device */
+ if( !strcmp( val.psz_string, N_("A/52 over S/PDIF") ) )
+ {
+ p_aout->output.output.i_format = VLC_FOURCC('s','p','d','i');
+ free( val.psz_string );
+
+ 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
+ {
+ if( !strcmp( val.psz_string, N_("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( !strcmp( val.psz_string, N_("2 Front 2 Rear") ) )
+ {
+ p_aout->output.output.i_physical_channels
+ = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT
+ | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT;
+ }
+ else if( !strcmp( val.psz_string, "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;
+ }
+ free( val.psz_string );
+
+ 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 );
+ }
+
+
+ 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 );
+
+ /* 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;
+ }
+ 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" );
+ vlc_value_t val;
+ int i_format;
+ unsigned int i_physical_channels;
- waveOutReset( p_aout->output.p_sys->h_waveout );
+ var_Create( p_aout, "audio-device", VLC_VAR_STRING | VLC_VAR_HASCHOICE );
- p_aout->output.output.i_format = AOUT_FMT_S16_NE;
- p_aout->output.i_nb_samples = FRAME_SIZE;
+ /* 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.psz_string = N_("5.1");
+ var_Change( p_aout, "audio-device", VLC_VAR_ADDCHOICE, &val );
+ 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.psz_string = N_("2 Front 2 Rear");
+ var_Change( p_aout, "audio-device", VLC_VAR_ADDCHOICE, &val );
+ 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.psz_string = N_("Stereo");
+ var_Change( p_aout, "audio-device", VLC_VAR_ADDCHOICE, &val );
+ var_Set( p_aout, "audio-device", val );
+ 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.psz_string = N_("Mono");
+ var_Change( p_aout, "audio-device", VLC_VAR_ADDCHOICE, &val );
+ 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.psz_string = N_("A/52 over S/PDIF");
+ var_Change( p_aout, "audio-device", VLC_VAR_ADDCHOICE, &val );
+ 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;
}
- /* 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 );
}
/*****************************************************************************
* 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, aout_buffer_t *p_buffer )
+static void Play( aout_instance_t *p_aout )
{
- aout_FifoPush( p_aout, &p_aout->output.fifo, p_buffer );
}
/*****************************************************************************
* Close: close the audio device
*****************************************************************************/
static void Close( vlc_object_t *p_this )
-{
+{
aout_instance_t *p_aout = (aout_instance_t *)p_this;
/* Before calling waveOutClose we must reset the device */
+ p_aout->b_die = VLC_TRUE;
+
+ /* Wait for the waveout buffers to be freed */
+ while( VLC_TRUE )
+ {
+ int i;
+ vlc_bool_t b_not_done = VLC_FALSE;
+
+ for( i = 0; i < FRAMES_NUM; i++ )
+ {
+ if( !(p_aout->output.p_sys->waveheader[i].dwFlags & WHDR_DONE) )
+ b_not_done = VLC_TRUE;
+ }
+
+ if( !b_not_done )
+ break;
+
+ msleep( 1000 );
+ }
+
waveOutReset( p_aout->output.p_sys->h_waveout );
/* Close the device */
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;
- }
+ if( p_aout->output.p_sys->pi_chan_table )
+ free( p_aout->output.p_sys->pi_chan_table );
+ free( p_aout->output.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_in)/sizeof(uint32_t); i++ )
+ {
+ if( i_channels & pi_channels_in[i] )
+ waveformat.dwChannelMask |= pi_channels_out[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;
+ CheckReordering( p_aout, i_nb_channels );
+
+ 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 )
+{
+ if( 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;
+ }
+}
+
+/*****************************************************************************
+ * CheckReordering: Check if we need to do some channel re-ordering (the ac3
+ * channel order is different from the one chosen by
+ * Microsoft).
+ *****************************************************************************/
+static void CheckReordering( aout_instance_t *p_aout, int i_nb_channels )
+{
+ int i, j, k, l;
+
+#define waveformat p_aout->output.p_sys->waveformat
+#define pi_chan_table p_aout->output.p_sys->pi_chan_table
+
+ p_aout->output.p_sys->b_chan_reorder = VLC_FALSE;
+
+ pi_chan_table = malloc( i_nb_channels * sizeof(int) );
+ if( !pi_chan_table )
+ {
+ return;
+ }
+
+ for( i = 0, j = 0;
+ i < (int)(sizeof(pi_channels_out)/sizeof(uint32_t)); i++ )
+ {
+ if( waveformat.dwChannelMask & pi_channels_out[i] )
+ {
+ for( k = 0, l = 0;
+ pi_channels_out[i] != pi_channels_ordered[k]; k++ )
+ {
+ if( waveformat.dwChannelMask & pi_channels_ordered[k] )
+ {
+ l++;
+ }
+ }
+
+ pi_chan_table[j] = l;
+
+ j++;
+ }
+ }
+
+ for( i = 0; i < i_nb_channels; i++ )
+ {
+ if( pi_chan_table[i] != i )
+ {
+ p_aout->output.p_sys->b_chan_reorder = VLC_TRUE;
+ }
+ }
+
+ if( p_aout->output.p_sys->b_chan_reorder )
+ {
+ msg_Dbg( p_aout, "channel reordering needed" );
+ }
+
+#undef pi_chan_table
+#undef waveformat
}
/*****************************************************************************
if( result != MMSYSERR_NOERROR )
{
msg_Err( p_aout, "waveOutPrepareHeader failed" );
- return 1;
+ return VLC_EGENERIC;
}
/* Send the buffer to the waveOut queue */
if( result != MMSYSERR_NOERROR )
{
msg_Err( p_aout, "waveOutWrite failed" );
- return 1;
+ return VLC_EGENERIC;
}
- return 0;
+ return VLC_SUCCESS;
}
/*****************************************************************************
DWORD _p_aout,
DWORD dwParam1, DWORD dwParam2 )
{
- aout_instance_t * p_aout = (aout_instance_t *)_p_aout;
+ aout_instance_t *p_aout = (aout_instance_t *)_p_aout;
WAVEHDR *p_waveheader = (WAVEHDR *)dwParam1;
- aout_buffer_t * p_buffer;
+ aout_buffer_t *p_buffer = NULL;
+ vlc_bool_t b_sleek;
+ int i, i_queued_frames = 0;
if( uMsg != WOM_DONE ) return;
if( p_waveheader->dwUser )
aout_BufferFree( (aout_buffer_t *)p_waveheader->dwUser );
- /* FIXME : take into account WaveOut latency instead of mdate() */
- p_buffer = aout_OutputNextBuffer( p_aout, mdate() );
+ if( p_aout->b_die ) return;
- PlayWaveOut( p_aout, h_waveout, p_waveheader, p_buffer );
+ /* We don't want any resampling when using S/PDIF */
+ b_sleek = p_aout->output.output.i_format == VLC_FOURCC('s','p','d','i');
+
+ /* 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++;
+ }
+ }
+
+ /* 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_aout->output.p_sys->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 */
+ return;
+ }
+
+ /* Do the channel reordering here */
+ if( p_buffer && p_aout->output.p_sys->b_chan_reorder )
+ {
+ if( p_aout->output.output.i_format ==
+ VLC_FOURCC('s','1','6','l') )
+ InterleaveS16( (int16_t *)p_buffer->p_buffer,
+ p_aout->output.p_sys->pi_chan_table,
+ aout_FormatNbChannels( &p_aout->output.output ) );
+ else
+ InterleaveFloat32( (float *)p_buffer->p_buffer,
+ p_aout->output.p_sys->pi_chan_table,
+ aout_FormatNbChannels( &p_aout->output.output ) );
+ }
+
+ PlayWaveOut( p_aout, h_waveout,
+ &p_aout->output.p_sys->waveheader[i] , p_buffer );
+
+ i_queued_frames++;
+ }
+ }
+}
+
+/*****************************************************************************
+ * InterleaveFloat32/S16: change the channel order to the Microsoft one.
+ *****************************************************************************/
+static void InterleaveFloat32( float *p_buf, int *pi_chan_table,
+ int i_nb_channels )
+{
+ int i, j;
+ float p_tmp[10];
+
+ for( i = 0; i < FRAME_SIZE; i++ )
+ {
+ for( j = 0; j < i_nb_channels; j++ )
+ {
+ p_tmp[pi_chan_table[j]] = p_buf[i*i_nb_channels + j];
+ }
+
+ memcpy( &p_buf[i*i_nb_channels], p_tmp,
+ i_nb_channels * sizeof(float) );
+ }
+}
+
+static void InterleaveS16( int16_t *p_buf, int *pi_chan_table,
+ int i_nb_channels )
+{
+ int i, j;
+ int16_t p_tmp[10];
+
+ for( i = 0; i < FRAME_SIZE; i++ )
+ {
+ for( j = 0; j < i_nb_channels; j++ )
+ {
+ p_tmp[pi_chan_table[j]] = p_buf[i*i_nb_channels + j];
+ }
+
+ memcpy( &p_buf[i*i_nb_channels], p_tmp,
+ i_nb_channels * sizeof(int16_t) );
+ }
}
projects / vlc / blobdiff