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vlc-2-2
Commit 79390c26 authored by Gildas Bazin's avatar Gildas Bazin
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* modules/audio_output/waveout.c: 

  - don't call waveOutUnprepareHeader() in the callback as the doc says it isn't advised.
  - use aout_ChannelReorder() for channels re-ordering.
  - a few bug fixes.
parent f7f54dc0
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Showing with 64 additions and 165 deletions
modules/audio_output/waveout.c
View file @ 79390c26
......@@ -117,16 +117,12 @@ typedef struct notification_thread_t
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, UINT, DWORD, DWORD, DWORD );
static void WaveOutThread( notification_thread_t * );
static void InterleaveFloat32( float *, int *, int );
static void InterleaveS16( int16_t *, int *, int );
/*****************************************************************************
* Module descriptor
*****************************************************************************/
......@@ -138,7 +134,7 @@ static void InterleaveS16( int16_t *, int *, int );
vlc_module_begin();
set_description( _("Win32 waveOut extension output") );
set_capability( "audio output", 50 );
add_bool( "waveout-float32", 1, NULL, FLOAT_TEXT, FLOAT_LONGTEXT, VLC_TRUE );
add_bool( "waveout-float32", 1, 0, FLOAT_TEXT, FLOAT_LONGTEXT, VLC_TRUE );
set_callbacks( Open, Close );
vlc_module_end();
......@@ -164,21 +160,24 @@ struct aout_sys_t
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;
int pi_chan_table[AOUT_CHAN_MAX];
};
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 };
/*****************************************************************************
* Open: open the audio device
......@@ -201,7 +200,6 @@ static int Open( vlc_object_t *p_this )
}
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 )
......@@ -324,6 +322,7 @@ static int Open( vlc_object_t *p_this )
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 );
......@@ -457,45 +456,27 @@ static void Play( aout_instance_t *_p_aout )
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 */
p_aout->b_die = VLC_TRUE;
/* wake up the audio thread */
SetEvent( p_aout->output.p_sys->event );
vlc_thread_join( p_aout->output.p_sys->p_notif );
CloseHandle( p_aout->output.p_sys->event );
/* 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_sys->h_waveout );
waveOutReset( p_aout->output.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( p_aout->output.p_sys->p_silence_buffer );
if( p_aout->output.p_sys->pi_chan_table )
free( p_aout->output.p_sys->pi_chan_table );
free( p_aout->output.p_sys );
free( p_sys->p_silence_buffer );
free( p_sys );
}
/*****************************************************************************
......@@ -589,7 +570,15 @@ static int OpenWaveOut( aout_instance_t *p_aout, int i_format,
return VLC_EGENERIC;
}
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;
......@@ -631,63 +620,6 @@ static int OpenWaveOutPCM( aout_instance_t *p_aout, int *i_format,
}
}
/*****************************************************************************
* 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
}
/*****************************************************************************
* PlayWaveOut: play a buffer through the WaveOut device
*****************************************************************************/
......@@ -703,7 +635,7 @@ 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;
......@@ -733,16 +665,10 @@ static void CALLBACK WaveOutCallback( HWAVEOUT h_waveout, UINT uMsg,
DWORD dwParam1, DWORD dwParam2 )
{
aout_instance_t *p_aout = (aout_instance_t *)_p_aout;
WAVEHDR *p_waveheader = (WAVEHDR *)dwParam1;
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 */
......@@ -760,45 +686,6 @@ static void CALLBACK WaveOutCallback( HWAVEOUT h_waveout, UINT uMsg,
SetEvent( p_aout->output.p_sys->event );
}
/*****************************************************************************
* 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) );
}
}
/*****************************************************************************
* WaveOutThread: this thread will capture play notification events.
*****************************************************************************
......@@ -809,34 +696,50 @@ static void InterleaveS16( int16_t *p_buf, int *pi_chan_table,
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;
vlc_bool_t b_sleek;
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_aout->output.p_sys->event, INFINITE );
if( p_aout->b_die ) return;
WaitForSingleObject( p_sys->event, INFINITE );
/* Find out the current latency */
/* 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_aout->output.p_sys->waveheader[i].dwFlags & WHDR_DONE) )
if( !(p_waveheader[i].dwFlags & WHDR_DONE) )
{
i_queued_frames++;
}
}
if( p_aout->b_die ) return;
/* 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 )
if( p_waveheader[i].dwFlags & WHDR_DONE )
{
/* Take into account the latency */
p_buffer = aout_OutputNextBuffer( p_aout,
......@@ -850,22 +753,18 @@ static void WaveOutThread( notification_thread_t *p_notif )
break;
}
/* Do the channel reordering here */
if( p_buffer && p_aout->output.p_sys->b_chan_reorder )
/* Do the channel reordering */
if( p_buffer && 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 ) );
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_aout->output.p_sys->h_waveout,
&p_aout->output.p_sys->waveheader[i] , p_buffer );
PlayWaveOut( p_aout, p_sys->h_waveout,
&p_waveheader[i], p_buffer );
i_queued_frames++;
}
......
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