/*****************************************************************************
* directx.c: Windows DirectX audio output method
*****************************************************************************
- * Copyright (C) 2001 VideoLAN
- * $Id: directx.c,v 1.26 2004/01/25 17:58:29 murray Exp $
+ * Copyright (C) 2001 the VideoLAN team
+ * $Id$
*
- * Authors: Gildas Bazin <gbazin@netcourrier.com>
+ * Authors: Gildas Bazin <gbazin@videolan.org>
*
* 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
struct aout_sys_t
{
HINSTANCE hdsound_dll; /* handle of the opened dsound dll */
+
+ int i_device_id; /* user defined device */
+ LPGUID p_device_guid;
+
LPDIRECTSOUND p_dsobject; /* main Direct Sound object */
LPDIRECTSOUNDBUFFER p_dsbuffer; /* the sound buffer we use (direct sound
* takes care of mixing all the
int i_frame_size; /* Size in bytes of one frame */
vlc_bool_t b_chan_reorder; /* do we need channel reordering */
- int *pi_chan_table;
+ int pi_chan_table[AOUT_CHAN_MAX];
uint32_t i_channel_mask;
+ uint32_t i_bits_per_sample;
+ uint32_t i_channels;
};
-static const uint32_t pi_channels_in[] =
+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 };
+ 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_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 };
+ SPEAKER_SIDE_LEFT, SPEAKER_SIDE_RIGHT, 0 };
/*****************************************************************************
* Local prototypes.
static void DirectSoundThread ( notification_thread_t * );
static int FillBuffer ( aout_instance_t *, int, aout_buffer_t * );
-static void CheckReordering ( aout_instance_t *, int );
-static void InterleaveFloat32 ( float *, float *, int *, int );
-static void InterleaveS16 ( int16_t *, int16_t *, int *, int );
-
/*****************************************************************************
* Module descriptor
*****************************************************************************/
+#define DEVICE_TEXT N_("Output device")
+#define DEVICE_LONGTEXT N_( \
+ "DirectX device number: 0 default device, 1..N device by number" \
+ "(Note that the default device appears as 0 AND another number)." )
+#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( _("DirectX audio output") );
+ set_shortname( "DirectX" );
set_capability( "audio output", 100 );
+ set_category( CAT_AUDIO );
+ set_subcategory( SUBCAT_AUDIO_AOUT );
add_shortcut( "directx" );
+ add_integer( "directx-audio-device", 0, NULL, DEVICE_TEXT,
+ DEVICE_LONGTEXT, VLC_TRUE );
+ add_bool( "directx-audio-float32", 1, 0, FLOAT_TEXT,
+ FLOAT_LONGTEXT, VLC_TRUE );
set_callbacks( OpenAudio, CloseAudio );
vlc_module_end();
p_aout->output.p_sys->p_dsnotify = NULL;
p_aout->output.p_sys->p_notif = NULL;
p_aout->output.p_sys->b_playing = 0;
- p_aout->output.p_sys->pi_chan_table = NULL;
p_aout->output.pf_play = Play;
aout_VolumeSoftInit( p_aout );
+ /* Retrieve config values */
+ var_Create( p_aout, "directx-audio-float32",
+ VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
+ 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->p_device_guid = 0;
+
/* Initialise DirectSound */
if( InitDirectSound( p_aout ) )
{
static void CloseAudio( 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;
msg_Dbg( p_aout, "CloseAudio" );
/* kill the position notification thread, if any */
- if( p_aout->output.p_sys->p_notif )
+ if( p_sys->p_notif )
{
- vlc_object_detach( p_aout->output.p_sys->p_notif );
- if( p_aout->output.p_sys->p_notif->b_thread )
+ vlc_object_detach( p_sys->p_notif );
+ if( p_sys->p_notif->b_thread )
{
- p_aout->output.p_sys->p_notif->b_die = 1;
+ p_sys->p_notif->b_die = 1;
- if( !p_aout->output.p_sys->b_playing )
+ if( !p_sys->b_playing )
/* wake up the audio thread */
- SetEvent(
- p_aout->output.p_sys->p_notif->p_events[0].hEventNotify );
+ SetEvent( p_sys->p_notif->p_events[0].hEventNotify );
- vlc_thread_join( p_aout->output.p_sys->p_notif );
+ vlc_thread_join( p_sys->p_notif );
}
- vlc_object_destroy( p_aout->output.p_sys->p_notif );
+ vlc_object_destroy( p_sys->p_notif );
}
/* release the secondary buffer */
DestroyDSBuffer( p_aout );
/* finally release the DirectSound object */
- if( p_aout->output.p_sys->p_dsobject )
- IDirectSound_Release( p_aout->output.p_sys->p_dsobject );
+ if( p_sys->p_dsobject ) IDirectSound_Release( p_sys->p_dsobject );
/* free DSOUND.DLL */
- if( p_aout->output.p_sys->hdsound_dll )
- FreeLibrary( p_aout->output.p_sys->hdsound_dll );
+ if( p_sys->hdsound_dll ) FreeLibrary( p_sys->hdsound_dll );
+
+ if( p_aout->output.p_sys->p_device_guid )
+ free( p_aout->output.p_sys->p_device_guid );
+
+ free( p_sys );
+}
+
+/*****************************************************************************
+ * CallBackDirectSoundEnum: callback to enumerate available devices
+ *****************************************************************************/
+static int CALLBACK CallBackDirectSoundEnum( LPGUID p_guid, LPCSTR psz_desc,
+ LPCSTR psz_mod, LPVOID _p_aout )
+{
+ aout_instance_t *p_aout = (aout_instance_t *)_p_aout;
- if( p_aout->output.p_sys->pi_chan_table )
- free( p_aout->output.p_sys->pi_chan_table );
+ msg_Dbg( p_aout, "found device: %s", psz_desc );
- free( p_aout->output.p_sys );
+ if( p_aout->output.p_sys->i_device_id == 0 && p_guid )
+ {
+ p_aout->output.p_sys->p_device_guid = malloc( sizeof( GUID ) );
+ *p_aout->output.p_sys->p_device_guid = *p_guid;
+ msg_Dbg( p_aout, "using device: %s", psz_desc );
+ }
+
+ p_aout->output.p_sys->i_device_id--;
+ return 1;
}
/*****************************************************************************
static int InitDirectSound( aout_instance_t *p_aout )
{
HRESULT (WINAPI *OurDirectSoundCreate)(LPGUID, LPDIRECTSOUND *, LPUNKNOWN);
+ HRESULT (WINAPI *OurDirectSoundEnumerate)(LPDSENUMCALLBACK, LPVOID);
p_aout->output.p_sys->hdsound_dll = LoadLibrary("DSOUND.DLL");
if( p_aout->output.p_sys->hdsound_dll == NULL )
goto error;
}
- OurDirectSoundCreate = (void *)GetProcAddress(
- p_aout->output.p_sys->hdsound_dll,
- "DirectSoundCreate" );
+ OurDirectSoundCreate = (void *)
+ GetProcAddress( p_aout->output.p_sys->hdsound_dll,
+ "DirectSoundCreate" );
if( OurDirectSoundCreate == NULL )
{
msg_Warn( p_aout, "GetProcAddress FAILED" );
goto error;
}
+ /* Get DirectSoundEnumerate */
+ OurDirectSoundEnumerate = (void *)
+ GetProcAddress( p_aout->output.p_sys->hdsound_dll,
+ "DirectSoundEnumerateA" );
+ if( OurDirectSoundEnumerate )
+ {
+ /* Attempt enumeration */
+ if( FAILED( OurDirectSoundEnumerate( CallBackDirectSoundEnum,
+ p_aout ) ) )
+ {
+ msg_Dbg( p_aout, "enumeration of DirectSound devices failed" );
+ }
+ }
+
/* Create the direct sound object */
- if FAILED( OurDirectSoundCreate( NULL, &p_aout->output.p_sys->p_dsobject,
+ if FAILED( OurDirectSoundCreate( p_aout->output.p_sys->p_device_guid,
+ &p_aout->output.p_sys->p_dsobject,
NULL ) )
{
msg_Warn( p_aout, "cannot create a direct sound device" );
/* First set the sound buffer format */
waveformat.dwChannelMask = 0;
- for( i = 0; i < sizeof(pi_channels_in)/sizeof(uint32_t); i++ )
+ for( i = 0; i < sizeof(pi_channels_src)/sizeof(uint32_t); i++ )
{
- if( i_channels & pi_channels_in[i] )
- waveformat.dwChannelMask |= pi_channels_out[i];
+ if( i_channels & pi_channels_src[i] )
+ waveformat.dwChannelMask |= pi_channels_in[i];
}
switch( i_format )
waveformat.Format.nAvgBytesPerSec =
waveformat.Format.nSamplesPerSec * waveformat.Format.nBlockAlign;
+ p_aout->output.p_sys->i_bits_per_sample = waveformat.Format.wBitsPerSample;
+ p_aout->output.p_sys->i_channels = i_nb_channels;
+
+ /* Then fill in the direct sound descriptor */
+ memset(&dsbdesc, 0, sizeof(DSBUFFERDESC));
+ dsbdesc.dwSize = sizeof(DSBUFFERDESC);
+ dsbdesc.dwFlags = DSBCAPS_GETCURRENTPOSITION2/* Better position accuracy */
+ | DSBCAPS_CTRLPOSITIONNOTIFY /* We need notification */
+ | DSBCAPS_GLOBALFOCUS; /* Allows background playing */
+
/* Only use the new WAVE_FORMAT_EXTENSIBLE format for multichannel audio */
if( i_nb_channels <= 2 )
{
waveformat.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
waveformat.Format.cbSize =
sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX);
- }
+ /* Needed for 5.1 on emu101k */
+ dsbdesc.dwFlags |= DSBCAPS_LOCHARDWARE;
+ }
- /* Then fill in the direct sound descriptor */
- memset(&dsbdesc, 0, sizeof(DSBUFFERDESC));
- dsbdesc.dwSize = sizeof(DSBUFFERDESC);
- dsbdesc.dwFlags = DSBCAPS_GETCURRENTPOSITION2/* Better position accuracy */
- | DSBCAPS_CTRLPOSITIONNOTIFY /* We need notification */
- | DSBCAPS_GLOBALFOCUS /* Allows background playing */
- | DSBCAPS_LOCHARDWARE; /* Needed for 5.1 on emu101k */
dsbdesc.dwBufferBytes = FRAMES_NUM * i_bytes_per_frame; /* buffer size */
dsbdesc.lpwfxFormat = (WAVEFORMATEX *)&waveformat;
p_aout->output.p_sys->p_dsobject, &dsbdesc,
&p_aout->output.p_sys->p_dsbuffer, NULL) )
{
- /* Try without DSBCAPS_LOCHARDWARE */
- dsbdesc.dwFlags &= ~DSBCAPS_LOCHARDWARE;
- if FAILED( IDirectSound_CreateSoundBuffer(
+ if( dsbdesc.dwFlags & DSBCAPS_LOCHARDWARE )
+ {
+ /* Try without DSBCAPS_LOCHARDWARE */
+ dsbdesc.dwFlags &= ~DSBCAPS_LOCHARDWARE;
+ if FAILED( IDirectSound_CreateSoundBuffer(
p_aout->output.p_sys->p_dsobject, &dsbdesc,
&p_aout->output.p_sys->p_dsbuffer, NULL) )
+ {
+ return VLC_EGENERIC;
+ }
+ if( !b_probe )
+ msg_Dbg( p_aout, "couldn't use hardware sound buffer" );
+ }
+ else
{
return VLC_EGENERIC;
}
- if( !b_probe ) msg_Dbg( p_aout, "couldn't use hardware sound buffer" );
}
/* Stop here if we were just probing */
}
p_aout->output.p_sys->i_channel_mask = waveformat.dwChannelMask;
- CheckReordering( p_aout, i_nb_channels );
+
+ 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;
int i_channels, int i_nb_channels, int i_rate,
vlc_bool_t 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( i_nb_channels > 2 ||
+ if( !val.b_bool || 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 )
aout_buffer_t *p_buffer )
{
notification_thread_t *p_notif = p_aout->output.p_sys->p_notif;
+ aout_sys_t *p_sys = p_aout->output.p_sys;
void *p_write_position, *p_wrap_around;
long l_bytes1, l_bytes2;
HRESULT dsresult;
/* Before copying anything, we have to lock the buffer */
dsresult = IDirectSoundBuffer_Lock(
- p_aout->output.p_sys->p_dsbuffer, /* DS buffer */
+ p_sys->p_dsbuffer, /* DS buffer */
i_frame * p_notif->i_frame_size, /* Start offset */
p_notif->i_frame_size, /* Number of bytes */
&p_write_position, /* Address of lock start */
0 ); /* Flags */
if( dsresult == DSERR_BUFFERLOST )
{
- IDirectSoundBuffer_Restore( p_aout->output.p_sys->p_dsbuffer );
+ IDirectSoundBuffer_Restore( p_sys->p_dsbuffer );
dsresult = IDirectSoundBuffer_Lock(
- p_aout->output.p_sys->p_dsbuffer,
+ p_sys->p_dsbuffer,
i_frame * p_notif->i_frame_size,
p_notif->i_frame_size,
&p_write_position,
{
memset( p_write_position, 0, l_bytes1 );
}
- else if( p_aout->output.p_sys->b_chan_reorder )
- {
- /* Do the channel reordering here */
-
- if( p_aout->output.output.i_format == VLC_FOURCC('s','1','6','l') )
- InterleaveS16( (int16_t *)p_buffer->p_buffer,
- (int16_t *)p_write_position,
- p_aout->output.p_sys->pi_chan_table,
- aout_FormatNbChannels( &p_aout->output.output ) );
- else
- InterleaveFloat32( (float *)p_buffer->p_buffer,
- (float *)p_write_position,
- p_aout->output.p_sys->pi_chan_table,
- aout_FormatNbChannels( &p_aout->output.output ) );
-
- aout_BufferFree( p_buffer );
- }
else
{
+ if( p_sys->b_chan_reorder )
+ {
+ /* Do the channel reordering here */
+ aout_ChannelReorder( p_buffer->p_buffer, p_buffer->i_nb_bytes,
+ p_sys->i_channels, p_sys->pi_chan_table,
+ p_sys->i_bits_per_sample );
+ }
+
p_aout->p_vlc->pf_memcpy( p_write_position, p_buffer->p_buffer,
l_bytes1 );
aout_BufferFree( p_buffer );
}
/* Now the data has been copied, unlock the buffer */
- IDirectSoundBuffer_Unlock( p_aout->output.p_sys->p_dsbuffer,
- p_write_position, l_bytes1,
+ IDirectSoundBuffer_Unlock( p_sys->p_dsbuffer, p_write_position, l_bytes1,
p_wrap_around, l_bytes2 );
return VLC_SUCCESS;
msg_Dbg( p_notif, "DirectSoundThread exiting" );
}
-
-/*****************************************************************************
- * 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 i_channel_mask p_aout->output.p_sys->i_channel_mask
-#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( i_channel_mask & pi_channels_out[i] )
- {
- for( k = 0, l = 0;
- pi_channels_out[i] != pi_channels_ordered[k]; k++ )
- {
- if( i_channel_mask & 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
-}
-
-/*****************************************************************************
- * InterleaveFloat32/S16: change the channel order to the Microsoft one.
- *****************************************************************************/
-static void InterleaveFloat32( float *p_buf, float *p_buf_out,
- int *pi_chan_table, int i_nb_channels )
-{
- int i, j;
-
- for( i = 0; i < FRAME_SIZE; i++ )
- {
- for( j = 0; j < i_nb_channels; j++ )
- {
- p_buf_out[i*i_nb_channels + pi_chan_table[j]] =
- p_buf[i*i_nb_channels + j];
- }
- }
-}
-
-static void InterleaveS16( int16_t *p_buf, int16_t *p_buf_out,
- int *pi_chan_table, int i_nb_channels )
-{
- int i, j;
-
- for( i = 0; i < FRAME_SIZE; i++ )
- {
- for( j = 0; j < i_nb_channels; j++ )
- {
- p_buf_out[ i*i_nb_channels + pi_chan_table[j]] =
- p_buf[i*i_nb_channels + j];
- }
- }
-}
projects / vlc / blobdiff