/*****************************************************************************
* input.c : internal management of input streams for the audio output
*****************************************************************************
- * Copyright (C) 2002-2004 the VideoLAN team
+ * Copyright (C) 2002-2007 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.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <stdlib.h> /* calloc(), malloc(), free() */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <assert.h>
+
+#include <vlc_common.h>
+
+#include <stdio.h>
#include <string.h>
+#include <math.h>
+#include <assert.h>
-#include <vlc/vlc.h>
-#include <vlc/input.h> /* for input_thread_t and i_pts_delay */
+#include <vlc_input.h>
+#include <vlc_vout.h> /* for vout_Request */
+#include <vlc_modules.h>
-#ifdef HAVE_ALLOCA_H
-# include <alloca.h>
-#endif
+#include <vlc_aout.h>
+#include <vlc_filter.h>
+#include <libvlc.h>
-#include "audio_output.h"
#include "aout_internal.h"
+#define AOUT_ASSERT_MIXER_LOCKED vlc_assert_locked( &p_aout->mixer_lock )
+#define AOUT_ASSERT_INPUT_LOCKED vlc_assert_locked( &p_input->lock )
+
+static void inputFailure( aout_instance_t *, aout_input_t *, const char * );
+static void inputDrop( aout_input_t *, aout_buffer_t * );
+static void inputResamplingStop( aout_input_t *p_input );
+
static int VisualizationCallback( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
static int EqualizerCallback( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
-static aout_filter_t * allocateUserChannelMixer( aout_instance_t *,
- audio_sample_format_t *,
- audio_sample_format_t * );
+static int ReplayGainCallback( vlc_object_t *, char const *,
+ vlc_value_t, vlc_value_t, void * );
+static void ReplayGainSelect( aout_instance_t *, aout_input_t * );
+
+static vout_thread_t *RequestVout( void *,
+ vout_thread_t *, video_format_t *, bool );
/*****************************************************************************
* aout_InputNew : allocate a new input and rework the filter pipeline
*****************************************************************************/
-int aout_InputNew( aout_instance_t * p_aout, aout_input_t * p_input )
+int aout_InputNew( aout_instance_t * p_aout, aout_input_t * p_input, const aout_request_vout_t *p_request_vout )
{
- audio_sample_format_t user_filter_format;
- audio_sample_format_t intermediate_format;/* input of resampler */
+ audio_sample_format_t chain_input_format;
+ audio_sample_format_t chain_output_format;
vlc_value_t val, text;
- char * psz_filters, *psz_visual;
- aout_filter_t * p_user_channel_mixer;
+ char *psz_filters, *psz_visual, *psz_scaletempo;
+ int i_visual;
aout_FormatPrint( p_aout, "input", &p_input->input );
- /* Prepare FIFO. */
- aout_FifoInit( p_aout, &p_input->fifo, p_aout->mixer.mixer.i_rate );
- p_input->p_first_byte_to_mix = NULL;
+ p_input->i_nb_resamplers = p_input->i_nb_filters = 0;
- /* Prepare format structure */
- memcpy( &intermediate_format, &p_aout->mixer.mixer,
- sizeof(audio_sample_format_t) );
- intermediate_format.i_rate = p_input->input.i_rate;
+ /* Prepare FIFO. */
+ aout_FifoInit( p_aout, &p_input->mixer.fifo, p_aout->mixer_format.i_rate );
+ p_input->mixer.begin = NULL;
- /* Try to use the channel mixer chosen by the user */
- memcpy ( &user_filter_format, &intermediate_format,
- sizeof(audio_sample_format_t) );
- user_filter_format.i_physical_channels = p_input->input.i_physical_channels;
- user_filter_format.i_original_channels = p_input->input.i_original_channels;
- user_filter_format.i_bytes_per_frame = user_filter_format.i_bytes_per_frame
- * aout_FormatNbChannels( &user_filter_format )
- / aout_FormatNbChannels( &intermediate_format );
- p_user_channel_mixer = allocateUserChannelMixer( p_aout, &user_filter_format,
- &intermediate_format );
- /* If it failed, let the main pipeline do channel mixing */
- if ( ! p_user_channel_mixer )
+ /* */
+ if( p_request_vout )
{
- memcpy ( &user_filter_format, &intermediate_format,
- sizeof(audio_sample_format_t) );
+ p_input->request_vout = *p_request_vout;
}
-
- /* Create filters. */
- if ( aout_FiltersCreatePipeline( p_aout, p_input->pp_filters,
- &p_input->i_nb_filters,
- &p_input->input,
- &user_filter_format
- ) < 0 )
+ else
{
- msg_Err( p_aout, "couldn't set an input pipeline" );
-
- aout_FifoDestroy( p_aout, &p_input->fifo );
- p_input->b_error = 1;
- return -1;
+ p_input->request_vout.pf_request_vout = RequestVout;
+ p_input->request_vout.p_private = p_aout;
}
+ /* Prepare format structure */
+ chain_input_format = p_input->input;
+ chain_output_format = p_aout->mixer_format;
+ chain_output_format.i_rate = p_input->input.i_rate;
+ aout_FormatPrepare( &chain_output_format );
+
/* Now add user filters */
if( var_Type( p_aout, "visual" ) == 0 )
{
- module_t *p_module;
var_Create( p_aout, "visual", VLC_VAR_STRING | VLC_VAR_HASCHOICE );
text.psz_string = _("Visualizations");
var_Change( p_aout, "visual", VLC_VAR_SETTEXT, &text, NULL );
- val.psz_string = ""; text.psz_string = _("Disable");
+ val.psz_string = (char*)""; text.psz_string = _("Disable");
+ var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
+ val.psz_string = (char*)"spectrometer"; text.psz_string = _("Spectrometer");
var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
- val.psz_string = "spectrometer"; text.psz_string = _("Spectrometer");
+ val.psz_string = (char*)"scope"; text.psz_string = _("Scope");
var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
- val.psz_string = "scope"; text.psz_string = _("Scope");
+ val.psz_string = (char*)"spectrum"; text.psz_string = _("Spectrum");
var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
- val.psz_string = "spectrum"; text.psz_string = _("Spectrum");
+ val.psz_string = (char*)"vuMeter"; text.psz_string = _("Vu meter");
var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
/* Look for goom plugin */
- p_module = config_FindModule( VLC_OBJECT(p_aout), "goom" );
- if( p_module )
+ if( module_exists( "goom" ) )
{
- val.psz_string = "goom"; text.psz_string = "Goom";
+ val.psz_string = (char*)"goom"; text.psz_string = (char*)"Goom";
var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
}
- /* Look for galaktos plugin */
- p_module = config_FindModule( VLC_OBJECT(p_aout), "galaktos" );
- if( p_module )
+ /* Look for libprojectM plugin */
+ if( module_exists( "projectm" ) )
{
- val.psz_string = "galaktos"; text.psz_string = "GaLaktos";
+ val.psz_string = (char*)"projectm"; text.psz_string = (char*)"projectM";
var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
}
if( var_Get( p_aout, "effect-list", &val ) == VLC_SUCCESS )
{
- var_Set( p_aout, "visual", val );
- if( val.psz_string ) free( val.psz_string );
+ var_SetString( p_aout, "visual", val.psz_string );
+ free( val.psz_string );
}
var_AddCallback( p_aout, "visual", VisualizationCallback, NULL );
}
text.psz_string = _("Equalizer");
var_Change( p_aout, "equalizer", VLC_VAR_SETTEXT, &text, NULL );
- val.psz_string = ""; text.psz_string = _("Disable");
+ val.psz_string = (char*)""; text.psz_string = _("Disable");
var_Change( p_aout, "equalizer", VLC_VAR_ADDCHOICE, &val, &text );
for( i = 0; i < p_config->i_list; i++ )
{
- val.psz_string = p_config->ppsz_list[i];
- text.psz_string = p_config->ppsz_list_text[i];
+ val.psz_string = (char *)p_config->ppsz_list[i];
+ text.psz_string = (char *)p_config->ppsz_list_text[i];
var_Change( p_aout, "equalizer", VLC_VAR_ADDCHOICE,
&val, &text );
}
var_Change( p_aout, "audio-visual", VLC_VAR_SETTEXT, &text, NULL );
}
- var_Get( p_aout, "audio-filter", &val );
- psz_filters = val.psz_string;
- var_Get( p_aout, "audio-visual", &val );
- psz_visual = val.psz_string;
+ if( var_Type( p_aout, "audio-replay-gain-mode" ) == 0 )
+ {
+ module_config_t *p_config;
+ int i;
+
+ p_config = config_FindConfig( VLC_OBJECT(p_aout), "audio-replay-gain-mode" );
+ if( p_config && p_config->i_list )
+ {
+ var_Create( p_aout, "audio-replay-gain-mode",
+ VLC_VAR_STRING | VLC_VAR_DOINHERIT );
+
+ text.psz_string = _("Replay gain");
+ var_Change( p_aout, "audio-replay-gain-mode", VLC_VAR_SETTEXT, &text, NULL );
- if( psz_filters && *psz_filters && psz_visual && *psz_visual )
+ for( i = 0; i < p_config->i_list; i++ )
+ {
+ val.psz_string = (char *)p_config->ppsz_list[i];
+ text.psz_string = (char *)p_config->ppsz_list_text[i];
+ var_Change( p_aout, "audio-replay-gain-mode", VLC_VAR_ADDCHOICE,
+ &val, &text );
+ }
+
+ var_AddCallback( p_aout, "audio-replay-gain-mode", ReplayGainCallback, NULL );
+ }
+ }
+ if( var_Type( p_aout, "audio-replay-gain-preamp" ) == 0 )
+ {
+ var_Create( p_aout, "audio-replay-gain-preamp",
+ VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
+ }
+ if( var_Type( p_aout, "audio-replay-gain-default" ) == 0 )
{
- psz_filters = (char *)realloc( psz_filters, strlen( psz_filters ) +
- strlen( psz_visual ) + 1);
- sprintf( psz_filters, "%s:%s", psz_filters, psz_visual );
+ var_Create( p_aout, "audio-replay-gain-default",
+ VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
}
- else if( psz_visual && *psz_visual )
+ if( var_Type( p_aout, "audio-replay-gain-peak-protection" ) == 0 )
{
- if( psz_filters ) free( psz_filters );
- psz_filters = strdup( psz_visual );
+ var_Create( p_aout, "audio-replay-gain-peak-protection",
+ VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
}
- if( psz_filters && *psz_filters )
+ psz_filters = var_GetString( p_aout, "audio-filter" );
+ psz_visual = var_GetString( p_aout, "audio-visual");
+ psz_scaletempo = var_InheritBool( p_aout, "audio-time-stretch" ) ? strdup( "scaletempo" ) : NULL;
+
+ p_input->b_recycle_vout = psz_visual && *psz_visual;
+
+ /* parse user filter lists */
+ char *const ppsz_array[] = { psz_scaletempo, psz_filters, psz_visual };
+ p_input->p_playback_rate_filter = NULL;
+
+ for( i_visual = 0; i_visual < 3 && !AOUT_FMT_NON_LINEAR(&chain_output_format); i_visual++ )
{
- char *psz_parser = psz_filters;
- char *psz_next;
+ char *psz_next = NULL;
+ char *psz_parser = ppsz_array[i_visual];
+
+ if( psz_parser == NULL || !*psz_parser )
+ continue;
+
while( psz_parser && *psz_parser )
{
- aout_filter_t * p_filter;
+ filter_t * p_filter = NULL;
if( p_input->i_nb_filters >= AOUT_MAX_FILTERS )
{
- msg_Dbg( p_aout, "max filter reached (%d)", AOUT_MAX_FILTERS );
+ msg_Dbg( p_aout, "max filters reached (%d)", AOUT_MAX_FILTERS );
break;
}
break;
}
- msg_Dbg( p_aout, "user filter \"%s\"", psz_parser );
-
/* Create a VLC object */
- p_filter = vlc_object_create( p_aout, sizeof(aout_filter_t) );
+ static const char typename[] = "audio filter";
+ p_filter = vlc_custom_create( p_aout, sizeof(*p_filter),
+ VLC_OBJECT_GENERIC, typename );
if( p_filter == NULL )
{
msg_Err( p_aout, "cannot add user filter %s (skipped)",
}
vlc_object_attach( p_filter , p_aout );
- memcpy( &p_filter->input, &user_filter_format,
+
+ p_filter->p_owner = malloc( sizeof(*p_filter->p_owner) );
+ p_filter->p_owner->p_aout = p_aout;
+ p_filter->p_owner->p_input = p_input;
+
+ /* request format */
+ memcpy( &p_filter->fmt_in.audio, &chain_output_format,
sizeof(audio_sample_format_t) );
- memcpy( &p_filter->output, &user_filter_format,
+ p_filter->fmt_in.i_codec = chain_output_format.i_format;
+ memcpy( &p_filter->fmt_out.audio, &chain_output_format,
sizeof(audio_sample_format_t) );
+ p_filter->fmt_out.i_codec = chain_output_format.i_format;
+ p_filter->pf_audio_buffer_new = aout_FilterBufferNew;
+
+ /* try to find the requested filter */
+ if( i_visual == 2 ) /* this can only be a visualization module */
+ {
+ p_filter->p_module = module_need( p_filter, "visualization2",
+ psz_parser, true );
+ }
+ else /* this can be a audio filter module as well as a visualization module */
+ {
+ p_filter->p_module = module_need( p_filter, "audio filter",
+ psz_parser, true );
- p_filter->p_module =
- module_Need( p_filter,"audio filter", psz_parser, VLC_FALSE );
+ if ( p_filter->p_module == NULL )
+ {
+ /* if the filter requested a special format, retry */
+ if ( !( AOUT_FMTS_IDENTICAL( &p_filter->fmt_in.audio,
+ &chain_input_format )
+ && AOUT_FMTS_IDENTICAL( &p_filter->fmt_out.audio,
+ &chain_output_format ) ) )
+ {
+ aout_FormatPrepare( &p_filter->fmt_in.audio );
+ aout_FormatPrepare( &p_filter->fmt_out.audio );
+ p_filter->p_module = module_need( p_filter,
+ "audio filter",
+ psz_parser, true );
+ }
+ /* try visual filters */
+ else
+ {
+ memcpy( &p_filter->fmt_in.audio, &chain_output_format,
+ sizeof(audio_sample_format_t) );
+ memcpy( &p_filter->fmt_out.audio, &chain_output_format,
+ sizeof(audio_sample_format_t) );
+ p_filter->p_module = module_need( p_filter,
+ "visualization2",
+ psz_parser, true );
+ }
+ }
+ }
- if( p_filter->p_module== NULL )
+ /* failure */
+ if ( p_filter->p_module == NULL )
{
- p_filter->p_module =
- module_Need( p_filter,"visualization", psz_parser,
- VLC_FALSE );
- if( p_filter->p_module == NULL )
+ msg_Err( p_aout, "cannot add user filter %s (skipped)",
+ psz_parser );
+
+ free( p_filter->p_owner );
+ vlc_object_release( p_filter );
+
+ psz_parser = psz_next;
+ continue;
+ }
+
+ /* complete the filter chain if necessary */
+ if ( !AOUT_FMTS_IDENTICAL( &chain_input_format,
+ &p_filter->fmt_in.audio ) )
+ {
+ if ( aout_FiltersCreatePipeline( p_aout, p_input->pp_filters,
+ &p_input->i_nb_filters,
+ &chain_input_format,
+ &p_filter->fmt_in.audio ) < 0 )
{
msg_Err( p_aout, "cannot add user filter %s (skipped)",
psz_parser );
- vlc_object_detach( p_filter );
- vlc_object_destroy( p_filter );
+ module_unneed( p_filter, p_filter->p_module );
+ free( p_filter->p_owner );
+ vlc_object_release( p_filter );
+
psz_parser = psz_next;
continue;
}
}
- p_filter->b_continuity = VLC_FALSE;
+ /* success */
p_input->pp_filters[p_input->i_nb_filters++] = p_filter;
+ memcpy( &chain_input_format, &p_filter->fmt_out.audio,
+ sizeof( audio_sample_format_t ) );
+
+ if( i_visual == 0 ) /* scaletempo */
+ p_input->p_playback_rate_filter = p_filter;
/* next filter if any */
psz_parser = psz_next;
}
}
- if( psz_filters ) free( psz_filters );
- if( psz_visual ) free( psz_visual );
+ free( psz_visual );
+ free( psz_filters );
+ free( psz_scaletempo );
- /* Attach the user channel mixer */
- if ( p_user_channel_mixer )
+ /* complete the filter chain if necessary */
+ if ( !AOUT_FMTS_IDENTICAL( &chain_input_format, &chain_output_format ) )
{
- p_input->pp_filters[p_input->i_nb_filters++] = p_user_channel_mixer;
+ if ( aout_FiltersCreatePipeline( p_aout, p_input->pp_filters,
+ &p_input->i_nb_filters,
+ &chain_input_format,
+ &chain_output_format ) < 0 )
+ {
+ inputFailure( p_aout, p_input, "couldn't set an input pipeline" );
+ return -1;
+ }
}
/* Prepare hints for the buffer allocator. */
- p_input->input_alloc.i_alloc_type = AOUT_ALLOC_HEAP;
+ p_input->input_alloc.b_alloc = true;
p_input->input_alloc.i_bytes_per_sec = -1;
- if ( AOUT_FMT_NON_LINEAR( &p_aout->mixer.mixer ) )
- {
- p_input->i_nb_resamplers = 0;
- }
- else
+ /* Create resamplers. */
+ if ( !AOUT_FMT_NON_LINEAR( &p_aout->mixer_format ) )
{
- /* Create resamplers. */
- intermediate_format.i_rate = (__MAX(p_input->input.i_rate,
- p_aout->mixer.mixer.i_rate)
+ chain_output_format.i_rate = (__MAX(p_input->input.i_rate,
+ p_aout->mixer_format.i_rate)
* (100 + AOUT_MAX_RESAMPLING)) / 100;
- if ( intermediate_format.i_rate == p_aout->mixer.mixer.i_rate )
+ if ( chain_output_format.i_rate == p_aout->mixer_format.i_rate )
{
/* Just in case... */
- intermediate_format.i_rate++;
+ chain_output_format.i_rate++;
}
if ( aout_FiltersCreatePipeline( p_aout, p_input->pp_resamplers,
&p_input->i_nb_resamplers,
- &intermediate_format,
- &p_aout->mixer.mixer ) < 0 )
+ &chain_output_format,
+ &p_aout->mixer_format ) < 0 )
{
- msg_Err( p_aout, "couldn't set a resampler pipeline" );
-
- aout_FiltersDestroyPipeline( p_aout, p_input->pp_filters,
- p_input->i_nb_filters );
- aout_FifoDestroy( p_aout, &p_input->fifo );
- var_Destroy( p_aout, "visual" );
- p_input->b_error = 1;
-
+ inputFailure( p_aout, p_input, "couldn't set a resampler pipeline");
return -1;
}
aout_FiltersHintBuffers( p_aout, p_input->pp_resamplers,
p_input->i_nb_resamplers,
&p_input->input_alloc );
+ p_input->input_alloc.b_alloc = true;
/* Setup the initial rate of the resampler */
- p_input->pp_resamplers[0]->input.i_rate = p_input->input.i_rate;
+ p_input->pp_resamplers[0]->fmt_in.audio.i_rate = p_input->input.i_rate;
}
p_input->i_resampling_type = AOUT_RESAMPLING_NONE;
- p_input->input_alloc.i_alloc_type = AOUT_ALLOC_HEAP;
+ if( ! p_input->p_playback_rate_filter && p_input->i_nb_resamplers > 0 )
+ {
+ p_input->p_playback_rate_filter = p_input->pp_resamplers[0];
+ }
+
aout_FiltersHintBuffers( p_aout, p_input->pp_filters,
p_input->i_nb_filters,
&p_input->input_alloc );
+ p_input->input_alloc.b_alloc = true;
/* i_bytes_per_sec is still == -1 if no filters */
p_input->input_alloc.i_bytes_per_sec = __MAX(
(int)(p_input->input.i_bytes_per_frame
* p_input->input.i_rate
/ p_input->input.i_frame_length) );
- /* Allocate in the heap, it is more convenient for the decoder. */
- p_input->input_alloc.i_alloc_type = AOUT_ALLOC_HEAP;
- p_input->b_error = VLC_FALSE;
- p_input->b_restart = VLC_FALSE;
+ ReplayGainSelect( p_aout, p_input );
+
+ /* Success */
+ p_input->b_error = false;
+ p_input->i_last_input_rate = INPUT_RATE_DEFAULT;
return 0;
}
*****************************************************************************/
int aout_InputDelete( aout_instance_t * p_aout, aout_input_t * p_input )
{
- if ( p_input->b_error ) return 0;
+ AOUT_ASSERT_MIXER_LOCKED;
+ if ( p_input->b_error )
+ return 0;
+
+ /* XXX We need to update b_recycle_vout before calling aout_FiltersDestroyPipeline.
+ * FIXME They can be a race condition if audio-visual is updated between
+ * aout_InputDelete and aout_InputNew.
+ */
+ char *psz_visual = var_GetString( p_aout, "audio-visual");
+ p_input->b_recycle_vout = psz_visual && *psz_visual;
+ free( psz_visual );
aout_FiltersDestroyPipeline( p_aout, p_input->pp_filters,
p_input->i_nb_filters );
+ p_input->i_nb_filters = 0;
aout_FiltersDestroyPipeline( p_aout, p_input->pp_resamplers,
p_input->i_nb_resamplers );
- aout_FifoDestroy( p_aout, &p_input->fifo );
+ p_input->i_nb_resamplers = 0;
+ aout_FifoDestroy( p_aout, &p_input->mixer.fifo );
return 0;
}
+/*****************************************************************************
+ * aout_InputCheckAndRestart : restart an input
+ *****************************************************************************
+ * This function must be entered with the input and mixer lock.
+ *****************************************************************************/
+void aout_InputCheckAndRestart( aout_instance_t * p_aout, aout_input_t * p_input )
+{
+ AOUT_ASSERT_MIXER_LOCKED;
+ AOUT_ASSERT_INPUT_LOCKED;
+
+ if( !p_input->b_restart )
+ return;
+
+ aout_lock_input_fifos( p_aout );
+
+ /* A little trick to avoid loosing our input fifo and properties */
+
+ uint8_t *p_first_byte_to_mix = p_input->mixer.begin;
+ aout_fifo_t fifo = p_input->mixer.fifo;
+ bool b_paused = p_input->b_paused;
+ mtime_t i_pause_date = p_input->i_pause_date;
+
+ aout_FifoInit( p_aout, &p_input->mixer.fifo, p_aout->mixer_format.i_rate );
+
+ aout_InputDelete( p_aout, p_input );
+
+ aout_InputNew( p_aout, p_input, &p_input->request_vout );
+ p_input->mixer.begin = p_first_byte_to_mix;
+ p_input->mixer.fifo = fifo;
+ p_input->b_paused = b_paused;
+ p_input->i_pause_date = i_pause_date;
+
+ p_input->b_restart = false;
+
+ aout_unlock_input_fifos( p_aout );
+}
/*****************************************************************************
* aout_InputPlay : play a buffer
*****************************************************************************
* This function must be entered with the input lock.
*****************************************************************************/
+/* XXX Do not activate it !! */
+//#define AOUT_PROCESS_BEFORE_CHEKS
int aout_InputPlay( aout_instance_t * p_aout, aout_input_t * p_input,
- aout_buffer_t * p_buffer )
+ aout_buffer_t * p_buffer, int i_input_rate )
{
mtime_t start_date;
+ AOUT_ASSERT_INPUT_LOCKED;
- if( p_input->b_restart )
+ if( i_input_rate != INPUT_RATE_DEFAULT && p_input->p_playback_rate_filter == NULL )
{
- aout_fifo_t fifo, dummy_fifo;
- byte_t *p_first_byte_to_mix;
+ inputDrop( p_input, p_buffer );
+ return 0;
+ }
- vlc_mutex_lock( &p_aout->mixer_lock );
+#ifdef AOUT_PROCESS_BEFORE_CHEKS
+ /* Run pre-filters. */
+ aout_FiltersPlay( p_aout, p_input->pp_filters, p_input->i_nb_filters,
+ &p_buffer );
+ if( !p_buffer )
+ return 0;
- /* A little trick to avoid loosing our input fifo */
- aout_FifoInit( p_aout, &dummy_fifo, p_aout->mixer.mixer.i_rate );
- p_first_byte_to_mix = p_input->p_first_byte_to_mix;
- fifo = p_input->fifo;
- p_input->fifo = dummy_fifo;
- aout_InputDelete( p_aout, p_input );
- aout_InputNew( p_aout, p_input );
- p_input->p_first_byte_to_mix = p_first_byte_to_mix;
- p_input->fifo = fifo;
+ /* Actually run the resampler now. */
+ if ( p_input->i_nb_resamplers > 0 )
+ {
+ const mtime_t i_date = p_buffer->i_pts;
+ aout_FiltersPlay( p_aout, p_input->pp_resamplers,
+ p_input->i_nb_resamplers,
+ &p_buffer );
+ }
- vlc_mutex_unlock( &p_aout->mixer_lock );
+ if( !p_buffer )
+ return 0;
+ if( p_buffer->i_nb_samples <= 0 )
+ {
+ block_Release( p_buffer );
+ return 0;
+ }
+#endif
+
+ /* Handle input rate change, but keep drift correction */
+ if( i_input_rate != p_input->i_last_input_rate )
+ {
+ unsigned int * const pi_rate = &p_input->p_playback_rate_filter->fmt_in.audio.i_rate;
+#define F(r,ir) ( INPUT_RATE_DEFAULT * (r) / (ir) )
+ const int i_delta = *pi_rate - F(p_input->input.i_rate,p_input->i_last_input_rate);
+ *pi_rate = F(p_input->input.i_rate + i_delta, i_input_rate);
+#undef F
+ p_input->i_last_input_rate = i_input_rate;
}
/* We don't care if someone changes the start date behind our back after
* this. We'll deal with that when pushing the buffer, and compensate
* with the next incoming buffer. */
- vlc_mutex_lock( &p_aout->input_fifos_lock );
- start_date = aout_FifoNextStart( p_aout, &p_input->fifo );
- vlc_mutex_unlock( &p_aout->input_fifos_lock );
+ aout_lock_input_fifos( p_aout );
+ start_date = aout_FifoNextStart( p_aout, &p_input->mixer.fifo );
+ aout_unlock_input_fifos( p_aout );
if ( start_date != 0 && start_date < mdate() )
{
/* The decoder is _very_ late. This can only happen if the user
* pauses the stream (or if the decoder is buggy, which cannot
* happen :). */
- msg_Warn( p_aout, "computed PTS is out of range ("I64Fd"), "
+ msg_Warn( p_aout, "computed PTS is out of range (%"PRId64"), "
"clearing out", mdate() - start_date );
- vlc_mutex_lock( &p_aout->input_fifos_lock );
- aout_FifoSet( p_aout, &p_input->fifo, 0 );
- p_input->p_first_byte_to_mix = NULL;
- vlc_mutex_unlock( &p_aout->input_fifos_lock );
+ aout_lock_input_fifos( p_aout );
+ aout_FifoSet( p_aout, &p_input->mixer.fifo, 0 );
+ p_input->mixer.begin = NULL;
+ aout_unlock_input_fifos( p_aout );
if ( p_input->i_resampling_type != AOUT_RESAMPLING_NONE )
msg_Warn( p_aout, "timing screwed, stopping resampling" );
- p_input->i_resampling_type = AOUT_RESAMPLING_NONE;
- if ( p_input->i_nb_resamplers != 0 )
- {
- p_input->pp_resamplers[0]->input.i_rate = p_input->input.i_rate;
- p_input->pp_resamplers[0]->b_continuity = VLC_FALSE;
- }
+ inputResamplingStop( p_input );
+ p_buffer->i_flags |= BLOCK_FLAG_DISCONTINUITY;
start_date = 0;
}
- if ( p_buffer->start_date < mdate() + AOUT_MIN_PREPARE_TIME )
+ if ( p_buffer->i_pts < mdate() + AOUT_MIN_PREPARE_TIME )
{
/* The decoder gives us f*cked up PTS. It's its business, but we
* can't present it anyway, so drop the buffer. */
- msg_Warn( p_aout, "PTS is out of range ("I64Fd"), dropping buffer",
- mdate() - p_buffer->start_date );
- aout_BufferFree( p_buffer );
- p_input->i_resampling_type = AOUT_RESAMPLING_NONE;
- if ( p_input->i_nb_resamplers != 0 )
- {
- p_input->pp_resamplers[0]->input.i_rate = p_input->input.i_rate;
- p_input->pp_resamplers[0]->b_continuity = VLC_FALSE;
- }
+ msg_Warn( p_aout, "PTS is out of range (%"PRId64"), dropping buffer",
+ mdate() - p_buffer->i_pts );
+
+ inputDrop( p_input, p_buffer );
+ inputResamplingStop( p_input );
return 0;
}
/* If the audio drift is too big then it's not worth trying to resample
* the audio. */
+ mtime_t i_pts_tolerance = 3 * AOUT_PTS_TOLERANCE * i_input_rate / INPUT_RATE_DEFAULT;
if ( start_date != 0 &&
- ( start_date < p_buffer->start_date - 3 * AOUT_PTS_TOLERANCE ) )
- {
- msg_Warn( p_aout, "audio drift is too big ("I64Fd"), clearing out",
- start_date - p_buffer->start_date );
- vlc_mutex_lock( &p_aout->input_fifos_lock );
- aout_FifoSet( p_aout, &p_input->fifo, 0 );
- p_input->p_first_byte_to_mix = NULL;
- vlc_mutex_unlock( &p_aout->input_fifos_lock );
+ ( start_date < p_buffer->i_pts - i_pts_tolerance ) )
+ {
+ msg_Warn( p_aout, "audio drift is too big (%"PRId64"), clearing out",
+ start_date - p_buffer->i_pts );
+ aout_lock_input_fifos( p_aout );
+ aout_FifoSet( p_aout, &p_input->mixer.fifo, 0 );
+ p_input->mixer.begin = NULL;
+ aout_unlock_input_fifos( p_aout );
if ( p_input->i_resampling_type != AOUT_RESAMPLING_NONE )
msg_Warn( p_aout, "timing screwed, stopping resampling" );
- p_input->i_resampling_type = AOUT_RESAMPLING_NONE;
- if ( p_input->i_nb_resamplers != 0 )
- {
- p_input->pp_resamplers[0]->input.i_rate = p_input->input.i_rate;
- p_input->pp_resamplers[0]->b_continuity = VLC_FALSE;
- }
+ inputResamplingStop( p_input );
+ p_buffer->i_flags |= BLOCK_FLAG_DISCONTINUITY;
start_date = 0;
}
else if ( start_date != 0 &&
- ( start_date > p_buffer->start_date + 3 * AOUT_PTS_TOLERANCE ) )
+ ( start_date > p_buffer->i_pts + i_pts_tolerance) )
{
- msg_Warn( p_aout, "audio drift is too big ("I64Fd"), dropping buffer",
- start_date - p_buffer->start_date );
- aout_BufferFree( p_buffer );
+ msg_Warn( p_aout, "audio drift is too big (%"PRId64"), dropping buffer",
+ start_date - p_buffer->i_pts );
+ inputDrop( p_input, p_buffer );
return 0;
}
- if ( start_date == 0 ) start_date = p_buffer->start_date;
+ if ( start_date == 0 ) start_date = p_buffer->i_pts;
+#ifndef AOUT_PROCESS_BEFORE_CHEKS
/* Run pre-filters. */
-
- aout_FiltersPlay( p_aout, p_input->pp_filters, p_input->i_nb_filters,
- &p_buffer );
+ aout_FiltersPlay( p_input->pp_filters, p_input->i_nb_filters, &p_buffer );
+ if( !p_buffer )
+ return 0;
+#endif
/* Run the resampler if needed.
* We first need to calculate the output rate of this resampler. */
if ( ( p_input->i_resampling_type == AOUT_RESAMPLING_NONE ) &&
- ( start_date < p_buffer->start_date - AOUT_PTS_TOLERANCE
- || start_date > p_buffer->start_date + AOUT_PTS_TOLERANCE ) &&
+ ( start_date < p_buffer->i_pts - AOUT_PTS_TOLERANCE
+ || start_date > p_buffer->i_pts + AOUT_PTS_TOLERANCE ) &&
p_input->i_nb_resamplers > 0 )
{
/* Can happen in several circumstances :
* synchronization
* Solution : resample the buffer to avoid a scratch.
*/
- mtime_t drift = p_buffer->start_date - start_date;
+ mtime_t drift = p_buffer->i_pts - start_date;
p_input->i_resamp_start_date = mdate();
p_input->i_resamp_start_drift = (int)drift;
else
p_input->i_resampling_type = AOUT_RESAMPLING_UP;
- msg_Warn( p_aout, "buffer is "I64Fd" %s, triggering %ssampling",
+ msg_Warn( p_aout, "buffer is %"PRId64" %s, triggering %ssampling",
drift > 0 ? drift : -drift,
drift > 0 ? "in advance" : "late",
drift > 0 ? "down" : "up");
if( p_input->i_resampling_type == AOUT_RESAMPLING_UP )
{
- p_input->pp_resamplers[0]->input.i_rate += 2; /* Hz */
+ p_input->pp_resamplers[0]->fmt_in.audio.i_rate += 2; /* Hz */
}
else
{
- p_input->pp_resamplers[0]->input.i_rate -= 2; /* Hz */
+ p_input->pp_resamplers[0]->fmt_in.audio.i_rate -= 2; /* Hz */
}
/* Check if everything is back to normal, in which case we can stop the
* resampling */
- if( p_input->pp_resamplers[0]->input.i_rate ==
- p_input->input.i_rate )
+ unsigned int i_nominal_rate =
+ (p_input->pp_resamplers[0] == p_input->p_playback_rate_filter)
+ ? INPUT_RATE_DEFAULT * p_input->input.i_rate / i_input_rate
+ : p_input->input.i_rate;
+ if( p_input->pp_resamplers[0]->fmt_in.audio.i_rate == i_nominal_rate )
{
p_input->i_resampling_type = AOUT_RESAMPLING_NONE;
- msg_Warn( p_aout, "resampling stopped after "I64Fi" usec "
- "(drift: "I64Fi")",
+ msg_Warn( p_aout, "resampling stopped after %"PRIi64" usec "
+ "(drift: %"PRIi64")",
mdate() - p_input->i_resamp_start_date,
- p_buffer->start_date - start_date);
+ p_buffer->i_pts - start_date);
}
- else if( abs( (int)(p_buffer->start_date - start_date) ) <
+ else if( abs( (int)(p_buffer->i_pts - start_date) ) <
abs( p_input->i_resamp_start_drift ) / 2 )
{
/* if we reduced the drift from half, then it is time to switch
p_input->i_resamp_start_drift = 0;
}
else if( p_input->i_resamp_start_drift &&
- ( abs( (int)(p_buffer->start_date - start_date) ) >
+ ( abs( (int)(p_buffer->i_pts - start_date) ) >
abs( p_input->i_resamp_start_drift ) * 3 / 2 ) )
{
/* If the drift is increasing and not decreasing, than something
* is bad. We'd better stop the resampling right now. */
msg_Warn( p_aout, "timing screwed, stopping resampling" );
- p_input->i_resampling_type = AOUT_RESAMPLING_NONE;
- p_input->pp_resamplers[0]->input.i_rate = p_input->input.i_rate;
+ inputResamplingStop( p_input );
+ p_buffer->i_flags |= BLOCK_FLAG_DISCONTINUITY;
}
}
- /* Adding the start date will be managed by aout_FifoPush(). */
- p_buffer->end_date = start_date +
- (p_buffer->end_date - p_buffer->start_date);
- p_buffer->start_date = start_date;
-
+#ifndef AOUT_PROCESS_BEFORE_CHEKS
/* Actually run the resampler now. */
if ( p_input->i_nb_resamplers > 0 )
{
- aout_FiltersPlay( p_aout, p_input->pp_resamplers,
- p_input->i_nb_resamplers,
+ aout_FiltersPlay( p_input->pp_resamplers, p_input->i_nb_resamplers,
&p_buffer );
}
- vlc_mutex_lock( &p_aout->input_fifos_lock );
- aout_FifoPush( p_aout, &p_input->fifo, p_buffer );
- vlc_mutex_unlock( &p_aout->input_fifos_lock );
+ if( !p_buffer )
+ return 0;
+ if( p_buffer->i_nb_samples <= 0 )
+ {
+ block_Release( p_buffer );
+ return 0;
+ }
+#endif
+
+ /* Adding the start date will be managed by aout_FifoPush(). */
+ p_buffer->i_pts = start_date;
+ aout_lock_input_fifos( p_aout );
+ aout_FifoPush( p_aout, &p_input->mixer.fifo, p_buffer );
+ aout_unlock_input_fifos( p_aout );
return 0;
}
-static int ChangeFiltersString( aout_instance_t * p_aout,
- char *psz_name, vlc_bool_t b_add )
+/*****************************************************************************
+ * static functions
+ *****************************************************************************/
+
+static void inputFailure( aout_instance_t * p_aout, aout_input_t * p_input,
+ const char * psz_error_message )
{
- vlc_value_t val;
- char *psz_parser;
+ /* error message */
+ msg_Err( p_aout, "%s", psz_error_message );
- var_Get( p_aout, "audio-filter", &val );
+ /* clean up */
+ aout_FiltersDestroyPipeline( p_aout, p_input->pp_filters,
+ p_input->i_nb_filters );
+ aout_FiltersDestroyPipeline( p_aout, p_input->pp_resamplers,
+ p_input->i_nb_resamplers );
+ aout_FifoDestroy( p_aout, &p_input->mixer.fifo );
+ var_Destroy( p_aout, "visual" );
+ var_Destroy( p_aout, "equalizer" );
+ var_Destroy( p_aout, "audio-filter" );
+ var_Destroy( p_aout, "audio-visual" );
+
+ var_Destroy( p_aout, "audio-replay-gain-mode" );
+ var_Destroy( p_aout, "audio-replay-gain-default" );
+ var_Destroy( p_aout, "audio-replay-gain-preamp" );
+ var_Destroy( p_aout, "audio-replay-gain-peak-protection" );
+
+ /* error flag */
+ p_input->b_error = 1;
+}
- if( !val.psz_string ) val.psz_string = strdup("");
+static void inputDrop( aout_input_t *p_input, aout_buffer_t *p_buffer )
+{
+ aout_BufferFree( p_buffer );
- psz_parser = strstr( val.psz_string, psz_name );
+ p_input->i_buffer_lost++;
+}
- if( b_add )
- {
- if( !psz_parser )
- {
- psz_parser = val.psz_string;
- asprintf( &val.psz_string, (*val.psz_string) ? "%s:%s" : "%s%s",
- val.psz_string, psz_name );
- free( psz_parser );
- }
- else
- {
- return 0;
- }
- }
- else
+static void inputResamplingStop( aout_input_t *p_input )
+{
+ p_input->i_resampling_type = AOUT_RESAMPLING_NONE;
+ if( p_input->i_nb_resamplers != 0 )
{
- if( psz_parser )
- {
- memmove( psz_parser, psz_parser + strlen(psz_name) +
- (*(psz_parser + strlen(psz_name)) == ':' ? 1 : 0 ),
- strlen(psz_parser + strlen(psz_name)) + 1 );
- }
- else
- {
- free( val.psz_string );
- return 0;
- }
+ p_input->pp_resamplers[0]->fmt_in.audio.i_rate =
+ ( p_input->pp_resamplers[0] == p_input->p_playback_rate_filter )
+ ? INPUT_RATE_DEFAULT * p_input->input.i_rate / p_input->i_last_input_rate
+ : p_input->input.i_rate;
}
+}
- var_Set( p_aout, "audio-filter", val );
- free( val.psz_string );
- return 1;
+static vout_thread_t *RequestVout( void *p_private,
+ vout_thread_t *p_vout, video_format_t *p_fmt, bool b_recycle )
+{
+ aout_instance_t *p_aout = p_private;
+ VLC_UNUSED(b_recycle);
+ vout_configuration_t cfg = {
+ .vout = p_vout,
+ .input = NULL,
+ .change_fmt = true,
+ .fmt = p_fmt,
+ .dpb_size = 1,
+ };
+ return vout_Request( p_aout, &cfg );
+}
+
+vout_thread_t *aout_filter_RequestVout( filter_t *p_filter,
+ vout_thread_t *p_vout, video_format_t *p_fmt )
+{
+ aout_input_t *p_input = p_filter->p_owner->p_input;
+ aout_request_vout_t *p_request = &p_input->request_vout;
+
+ /* XXX: this only works from audio input */
+ /* If you want to use visualization filters from another place, you will
+ * need to add a new pf_aout_request_vout callback or store a pointer
+ * to aout_request_vout_t inside filter_t (i.e. a level of indirection). */
+
+ return p_request->pf_request_vout( p_request->p_private,
+ p_vout, p_fmt, p_input->b_recycle_vout );
+}
+
+static int ChangeFiltersString( aout_instance_t * p_aout, const char* psz_variable,
+ const char *psz_name, bool b_add )
+{
+ return aout_ChangeFilterString( VLC_OBJECT(p_aout), p_aout,
+ psz_variable, psz_name, b_add ) ? 1 : 0;
}
static int VisualizationCallback( vlc_object_t *p_this, char const *psz_cmd,
{
aout_instance_t *p_aout = (aout_instance_t *)p_this;
char *psz_mode = newval.psz_string;
- vlc_value_t val;
- int i;
+ (void)psz_cmd; (void)oldval; (void)p_data;
if( !psz_mode || !*psz_mode )
{
- ChangeFiltersString( p_aout, "goom", VLC_FALSE );
- ChangeFiltersString( p_aout, "visual", VLC_FALSE );
- ChangeFiltersString( p_aout, "galaktos", VLC_FALSE );
+ ChangeFiltersString( p_aout, "audio-visual", "goom", false );
+ ChangeFiltersString( p_aout, "audio-visual", "visual", false );
+ ChangeFiltersString( p_aout, "audio-visual", "projectm", false );
}
else
{
if( !strcmp( "goom", psz_mode ) )
{
- ChangeFiltersString( p_aout, "visual", VLC_FALSE );
- ChangeFiltersString( p_aout, "goom", VLC_TRUE );
- ChangeFiltersString( p_aout, "galaktos", VLC_FALSE );
+ ChangeFiltersString( p_aout, "audio-visual", "visual", false );
+ ChangeFiltersString( p_aout, "audio-visual", "goom", true );
+ ChangeFiltersString( p_aout, "audio-visual", "projectm", false );
}
- else if( !strcmp( "galaktos", psz_mode ) )
+ else if( !strcmp( "projectm", psz_mode ) )
{
- ChangeFiltersString( p_aout, "visual", VLC_FALSE );
- ChangeFiltersString( p_aout, "goom", VLC_FALSE );
- ChangeFiltersString( p_aout, "galaktos", VLC_TRUE );
+ ChangeFiltersString( p_aout, "audio-visual", "visual", false );
+ ChangeFiltersString( p_aout, "audio-visual", "goom", false );
+ ChangeFiltersString( p_aout, "audio-visual", "projectm", true );
}
else
{
- val.psz_string = psz_mode;
var_Create( p_aout, "effect-list", VLC_VAR_STRING );
- var_Set( p_aout, "effect-list", val );
+ var_SetString( p_aout, "effect-list", psz_mode );
- ChangeFiltersString( p_aout, "goom", VLC_FALSE );
- ChangeFiltersString( p_aout, "visual", VLC_TRUE );
- ChangeFiltersString( p_aout, "galaktos", VLC_FALSE );
+ ChangeFiltersString( p_aout, "audio-visual", "goom", false );
+ ChangeFiltersString( p_aout, "audio-visual", "visual", true );
+ ChangeFiltersString( p_aout, "audio-visual", "projectm", false );
}
}
/* That sucks */
- for( i = 0; i < p_aout->i_nb_inputs; i++ )
- {
- p_aout->pp_inputs[i]->b_restart = VLC_TRUE;
- }
+ AoutInputsMarkToRestart( p_aout );
return VLC_SUCCESS;
}
{
aout_instance_t *p_aout = (aout_instance_t *)p_this;
char *psz_mode = newval.psz_string;
- vlc_value_t val;
- int i;
int i_ret;
+ (void)psz_cmd; (void)oldval; (void)p_data;
if( !psz_mode || !*psz_mode )
{
- i_ret = ChangeFiltersString( p_aout, "equalizer", VLC_FALSE );
+ i_ret = ChangeFiltersString( p_aout, "audio-filter", "equalizer",
+ false );
}
else
{
- val.psz_string = psz_mode;
var_Create( p_aout, "equalizer-preset", VLC_VAR_STRING );
- var_Set( p_aout, "equalizer-preset", val );
- i_ret = ChangeFiltersString( p_aout, "equalizer", VLC_TRUE );
-
+ var_SetString( p_aout, "equalizer-preset", psz_mode );
+ i_ret = ChangeFiltersString( p_aout, "audio-filter", "equalizer",
+ true );
}
/* That sucks */
if( i_ret == 1 )
- {
- for( i = 0; i < p_aout->i_nb_inputs; i++ )
- {
- p_aout->pp_inputs[i]->b_restart = VLC_TRUE;
- }
- }
-
+ AoutInputsMarkToRestart( p_aout );
return VLC_SUCCESS;
}
-static aout_filter_t * allocateUserChannelMixer( aout_instance_t * p_aout,
- audio_sample_format_t * p_input_format,
- audio_sample_format_t * p_output_format )
+static int ReplayGainCallback( vlc_object_t *p_this, char const *psz_cmd,
+ vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
- aout_filter_t * p_channel_mixer;
+ VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
+ VLC_UNUSED(newval); VLC_UNUSED(p_data);
+ aout_instance_t *p_aout = (aout_instance_t *)p_this;
+ int i;
+
+ aout_lock_mixer( p_aout );
+ for( i = 0; i < p_aout->i_nb_inputs; i++ )
+ ReplayGainSelect( p_aout, p_aout->pp_inputs[i] );
- /* Retreive user preferred channel mixer */
- char * psz_name = config_GetPsz( p_aout, "audio-channel-mixer" );
+ /* Restart the mixer (a trivial mixer may be in use) */
+ if( p_aout->p_mixer )
+ aout_MixerMultiplierSet( p_aout, p_aout->mixer_multiplier );
+ aout_unlock_mixer( p_aout );
- /* Not specified => let the main pipeline do the mixing */
- if ( ! psz_name ) return NULL;
+ return VLC_SUCCESS;
+}
- /* Debug information */
- aout_FormatsPrint( p_aout, "channel mixer", p_input_format,
- p_output_format );
+static void ReplayGainSelect( aout_instance_t *p_aout, aout_input_t *p_input )
+{
+ char *psz_replay_gain = var_GetNonEmptyString( p_aout,
+ "audio-replay-gain-mode" );
+ int i_mode;
+ int i_use;
+ float f_gain;
+
+ p_input->mixer.multiplier = 1.0;
+
+ if( !psz_replay_gain )
+ return;
+
+ /* Find select mode */
+ if( !strcmp( psz_replay_gain, "track" ) )
+ i_mode = AUDIO_REPLAY_GAIN_TRACK;
+ else if( !strcmp( psz_replay_gain, "album" ) )
+ i_mode = AUDIO_REPLAY_GAIN_ALBUM;
+ else
+ i_mode = AUDIO_REPLAY_GAIN_MAX;
- /* Create a VLC object */
- p_channel_mixer = vlc_object_create( p_aout, sizeof(aout_filter_t) );
- if( p_channel_mixer == NULL )
+ /* If the select mode is not available, prefer the other one */
+ i_use = i_mode;
+ if( i_use != AUDIO_REPLAY_GAIN_MAX && !p_input->replay_gain.pb_gain[i_use] )
{
- msg_Err( p_aout, "cannot add user channel mixer %s", psz_name );
- return NULL;
+ for( i_use = 0; i_use < AUDIO_REPLAY_GAIN_MAX; i_use++ )
+ {
+ if( p_input->replay_gain.pb_gain[i_use] )
+ break;
+ }
}
- vlc_object_attach( p_channel_mixer , p_aout );
- /* Attach the suitable module */
- memcpy( &p_channel_mixer->input, p_input_format,
- sizeof(audio_sample_format_t) );
- memcpy( &p_channel_mixer->output, p_output_format,
- sizeof(audio_sample_format_t) );
- p_channel_mixer->p_module =
- module_Need( p_channel_mixer,"audio filter", psz_name, VLC_TRUE );
- if( p_channel_mixer->p_module== NULL )
+ /* */
+ if( i_use != AUDIO_REPLAY_GAIN_MAX )
+ f_gain = p_input->replay_gain.pf_gain[i_use] + var_GetFloat( p_aout, "audio-replay-gain-preamp" );
+ else if( i_mode != AUDIO_REPLAY_GAIN_MAX )
+ f_gain = var_GetFloat( p_aout, "audio-replay-gain-default" );
+ else
+ f_gain = 0.0;
+ p_input->mixer.multiplier = pow( 10.0, f_gain / 20.0 );
+
+ /* */
+ if( p_input->replay_gain.pb_peak[i_use] &&
+ var_GetBool( p_aout, "audio-replay-gain-peak-protection" ) &&
+ p_input->replay_gain.pf_peak[i_use] * p_input->mixer.multiplier > 1.0 )
{
- msg_Err( p_aout, "cannot add user channel mixer %s", psz_name );
- vlc_object_detach( p_channel_mixer );
- vlc_object_destroy( p_channel_mixer );
- return NULL;
+ p_input->mixer.multiplier = 1.0f / p_input->replay_gain.pf_peak[i_use];
}
- p_channel_mixer->b_continuity = VLC_FALSE;
- /* Ok */
- return p_channel_mixer;
+ free( psz_replay_gain );
}
+