/*****************************************************************************
* output.c : internal management of output streams for the audio output
*****************************************************************************
- * Copyright (C) 2002 VideoLAN
- * $Id: output.c,v 1.35 2003/01/28 12:23:40 massiot Exp $
+ * Copyright (C) 2002-2004 the VideoLAN team
+ * $Id$
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
*
*
* 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.
*****************************************************************************/
/*****************************************************************************
audio_sample_format_t * p_format )
{
/* Retrieve user defaults. */
- char * psz_name = config_GetPsz( p_aout, "aout" );
int i_rate = config_GetInt( p_aout, "aout-rate" );
- vlc_value_t val;
+ vlc_value_t val, text;
+ /* kludge to avoid a fpu error when rate is 0... */
+ if( i_rate == 0 ) i_rate = -1;
memcpy( &p_aout->output.output, p_format, sizeof(audio_sample_format_t) );
if ( i_rate != -1 )
vlc_mutex_lock( &p_aout->output_fifo_lock );
/* Find the best output plug-in. */
- p_aout->output.p_module = module_Need( p_aout, "audio output",
- psz_name );
- if ( psz_name != NULL ) free( psz_name );
+ p_aout->output.p_module = module_Need( p_aout, "audio output", "$aout", 0);
if ( p_aout->output.p_module == NULL )
{
- msg_Err( p_aout, "no suitable aout module" );
+ msg_Err( p_aout, "no suitable audio output module" );
vlc_mutex_unlock( &p_aout->output_fifo_lock );
return -1;
}
if ( var_Type( p_aout, "audio-channels" ) ==
- (VLC_VAR_STRING | VLC_VAR_HASCHOICE) )
+ (VLC_VAR_INTEGER | VLC_VAR_HASCHOICE) )
{
/* The user may have selected a different channels configuration. */
var_Get( p_aout, "audio-channels", &val );
- if ( !strcmp( val.psz_string, N_("Reverse stereo") ) )
+ if ( val.i_int == AOUT_VAR_CHAN_RSTEREO )
{
p_aout->output.output.i_original_channels |=
AOUT_CHAN_REVERSESTEREO;
}
- else if ( !strcmp( val.psz_string, N_("Both") ) )
+ else if ( val.i_int == AOUT_VAR_CHAN_STEREO )
{
p_aout->output.output.i_original_channels =
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
}
- else if ( !strcmp( val.psz_string, N_("Left") ) )
+ else if ( val.i_int == AOUT_VAR_CHAN_LEFT )
{
p_aout->output.output.i_original_channels = AOUT_CHAN_LEFT;
}
- else if ( !strcmp( val.psz_string, N_("Right") ) )
+ else if ( val.i_int == AOUT_VAR_CHAN_RIGHT )
{
p_aout->output.output.i_original_channels = AOUT_CHAN_RIGHT;
}
- else if ( !strcmp( val.psz_string, N_("Dolby Surround") ) )
+ else if ( val.i_int == AOUT_VAR_CHAN_DOLBYS )
{
p_aout->output.output.i_original_channels
= AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_DOLBYSTEREO;
}
- free( val.psz_string );
}
else if ( p_aout->output.output.i_physical_channels == AOUT_CHAN_CENTER
&& (p_aout->output.output.i_original_channels
& AOUT_CHAN_PHYSMASK) == (AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT) )
{
/* Mono - create the audio-channels variable. */
- var_Create( p_aout, "audio-channels", VLC_VAR_STRING | VLC_VAR_HASCHOICE );
- val.psz_string = N_("Both");
- var_Change( p_aout, "audio-channels", VLC_VAR_ADDCHOICE, &val );
- val.psz_string = N_("Left");
- var_Change( p_aout, "audio-channels", VLC_VAR_ADDCHOICE, &val );
- val.psz_string = N_("Right");
- var_Change( p_aout, "audio-channels", VLC_VAR_ADDCHOICE, &val );
+ var_Create( p_aout, "audio-channels",
+ VLC_VAR_INTEGER | VLC_VAR_HASCHOICE );
+ text.psz_string = _("Audio Channels");
+ var_Change( p_aout, "audio-channels", VLC_VAR_SETTEXT, &text, NULL );
+
+ val.i_int = AOUT_VAR_CHAN_STEREO; text.psz_string = _("Stereo");
+ var_Change( p_aout, "audio-channels", VLC_VAR_ADDCHOICE, &val, &text );
+ val.i_int = AOUT_VAR_CHAN_LEFT; text.psz_string = _("Left");
+ var_Change( p_aout, "audio-channels", VLC_VAR_ADDCHOICE, &val, &text );
+ val.i_int = AOUT_VAR_CHAN_RIGHT; text.psz_string = _("Right");
+ var_Change( p_aout, "audio-channels", VLC_VAR_ADDCHOICE, &val, &text );
if ( p_aout->output.output.i_original_channels & AOUT_CHAN_DUALMONO )
{
/* Go directly to the left channel. */
p_aout->output.output.i_original_channels = AOUT_CHAN_LEFT;
- val.psz_string = N_("Left");
+ val.i_int = AOUT_VAR_CHAN_LEFT;
var_Set( p_aout, "audio-channels", val );
}
var_AddCallback( p_aout, "audio-channels", aout_ChannelsRestart,
(AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT)) )
{
/* Stereo - create the audio-channels variable. */
- var_Create( p_aout, "audio-channels", VLC_VAR_STRING | VLC_VAR_HASCHOICE );
+ var_Create( p_aout, "audio-channels",
+ VLC_VAR_INTEGER | VLC_VAR_HASCHOICE );
+ text.psz_string = _("Audio Channels");
+ var_Change( p_aout, "audio-channels", VLC_VAR_SETTEXT, &text, NULL );
+
if ( p_aout->output.output.i_original_channels & AOUT_CHAN_DOLBYSTEREO )
{
- val.psz_string = N_("Dolby Surround");
+ val.i_int = AOUT_VAR_CHAN_DOLBYS;
+ text.psz_string = _("Dolby Surround");
}
else
{
- val.psz_string = N_("Both");
+ val.i_int = AOUT_VAR_CHAN_STEREO;
+ text.psz_string = _("Stereo");
}
- var_Change( p_aout, "audio-channels", VLC_VAR_ADDCHOICE, &val );
- val.psz_string = N_("Left");
- var_Change( p_aout, "audio-channels", VLC_VAR_ADDCHOICE, &val );
- val.psz_string = N_("Right");
- var_Change( p_aout, "audio-channels", VLC_VAR_ADDCHOICE, &val );
- val.psz_string = N_("Reverse stereo");
- var_Change( p_aout, "audio-channels", VLC_VAR_ADDCHOICE, &val );
+ var_Change( p_aout, "audio-channels", VLC_VAR_ADDCHOICE, &val, &text );
+ val.i_int = AOUT_VAR_CHAN_LEFT; text.psz_string = _("Left");
+ var_Change( p_aout, "audio-channels", VLC_VAR_ADDCHOICE, &val, &text );
+ val.i_int = AOUT_VAR_CHAN_RIGHT; text.psz_string = _("Right");
+ var_Change( p_aout, "audio-channels", VLC_VAR_ADDCHOICE, &val, &text );
+ val.i_int = AOUT_VAR_CHAN_RSTEREO; text.psz_string=_("Reverse stereo");
+ var_Change( p_aout, "audio-channels", VLC_VAR_ADDCHOICE, &val, &text );
if ( p_aout->output.output.i_original_channels & AOUT_CHAN_DUALMONO )
{
/* Go directly to the left channel. */
p_aout->output.output.i_original_channels = AOUT_CHAN_LEFT;
- val.psz_string = N_("Left");
+ val.i_int = AOUT_VAR_CHAN_LEFT;
var_Set( p_aout, "audio-channels", val );
}
var_AddCallback( p_aout, "audio-channels", aout_ChannelsRestart,
p_aout->mixer.mixer.i_format = p_format->i_format;
}
- aout_FormatPrint( p_aout, "mixer", &p_aout->output.output );
+ aout_FormatPrint( p_aout, "mixer", &p_aout->mixer.mixer );
/* Create filters. */
+ p_aout->output.i_nb_filters = 0;
if ( aout_FiltersCreatePipeline( p_aout, p_aout->output.pp_filters,
&p_aout->output.i_nb_filters,
&p_aout->mixer.mixer,
&p_aout->output.output ) < 0 )
{
- msg_Err( p_aout, "couldn't set an output pipeline" );
+ msg_Err( p_aout, "couldn't create audio output pipeline" );
module_Unneed( p_aout, p_aout->output.p_module );
return -1;
}
p_aout->output.i_nb_filters,
&p_buffer );
+ if( p_buffer->i_nb_bytes == 0 )
+ {
+ aout_BufferFree( p_buffer );
+ return;
+ }
+
vlc_mutex_lock( &p_aout->output_fifo_lock );
aout_FifoPush( p_aout, &p_aout->output.fifo, p_buffer );
p_aout->output.pf_play( p_aout );
vlc_mutex_lock( &p_aout->output_fifo_lock );
p_buffer = p_aout->output.fifo.p_first;
- while ( p_buffer && p_buffer->start_date < mdate() )
+
+ /* Drop the audio sample if the audio output is really late.
+ * In the case of b_can_sleek, we don't use a resampler so we need to be
+ * a lot more severe. */
+ while ( p_buffer && p_buffer->start_date <
+ (b_can_sleek ? start_date : mdate()) - AOUT_PTS_TOLERANCE )
{
msg_Dbg( p_aout, "audio output is too slow ("I64Fd"), "
"trashing "I64Fd"us", mdate() - p_buffer->start_date,
}
/* Here we suppose that all buffers have the same duration - this is
- * generally true, and anyway if it's wrong it won't be a disaster. */
+ * generally true, and anyway if it's wrong it won't be a disaster.
+ */
if ( p_buffer->start_date > start_date
+ (p_buffer->end_date - p_buffer->start_date) )
+ /*
+ * + AOUT_PTS_TOLERANCE )
+ * There is no reason to want that, it just worsen the scheduling of
+ * an audio sample after an output starvation (ie. on start or on resume)
+ * --Gibalou
+ */
{
vlc_mutex_unlock( &p_aout->output_fifo_lock );
if ( !p_aout->output.b_starving )
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