/*****************************************************************************
* input.c : internal management of input streams for the audio output
*****************************************************************************
- * Copyright (C) 2002-2007 the VideoLAN team
+ * Copyright (C) 2002-2007 VLC authors and VideoLAN
* $Id$
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
*
- * 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
- * the Free Software Foundation; either version 2 of the License, or
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
*
- * 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
# 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_input.h>
-#include <vlc_vout.h> /* for vout_Request */
-#include <vlc_modules.h>
-
#include <vlc_aout.h>
#include <vlc_filter.h>
-#include <libvlc.h>
+#include <libvlc.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 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 );
+static void inputDrop( aout_input_t *, block_t * );
+static void inputResamplingStop( audio_output_t *, aout_input_t * );
/*****************************************************************************
* aout_InputNew : allocate a new input and rework the filter pipeline
*****************************************************************************/
-int aout_InputNew( aout_instance_t * p_aout, aout_input_t * p_input, const aout_request_vout_t *p_request_vout )
+aout_input_t *aout_InputNew (const audio_sample_format_t *restrict infmt)
{
- audio_sample_format_t chain_input_format;
- audio_sample_format_t chain_output_format;
- vlc_value_t val, text;
- char *psz_filters, *psz_visual, *psz_scaletempo;
- int i_visual;
-
- aout_FormatPrint( p_aout, "input", &p_input->input );
-
- p_input->i_nb_resamplers = p_input->i_nb_filters = 0;
-
- /* Prepare FIFO. */
- aout_FifoInit( p_aout, &p_input->mixer.fifo, p_aout->mixer_format.i_rate );
- p_input->mixer.begin = NULL;
-
- /* */
- if( p_request_vout )
- {
- p_input->request_vout = *p_request_vout;
- }
- else
- {
- p_input->request_vout.pf_request_vout = RequestVout;
- p_input->request_vout.p_private = p_aout;
- }
+ aout_input_t *p_input = xmalloc (sizeof (*p_input));
- /* 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 );
+ p_input->samplerate = infmt->i_rate;
- /* Now add user filters */
- if( var_Type( p_aout, "visual" ) == 0 )
- {
- 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 = (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 = (char*)"scope"; text.psz_string = _("Scope");
- var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
- val.psz_string = (char*)"spectrum"; text.psz_string = _("Spectrum");
- var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
- val.psz_string = (char*)"vuMeter"; text.psz_string = _("Vu meter");
- var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
-
- /* Look for goom plugin */
- if( module_exists( "goom" ) )
- {
- val.psz_string = (char*)"goom"; text.psz_string = (char*)"Goom";
- var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
- }
-
- /* Look for libprojectM plugin */
- if( module_exists( "projectm" ) )
- {
- 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_SetString( p_aout, "visual", val.psz_string );
- free( val.psz_string );
- }
- var_AddCallback( p_aout, "visual", VisualizationCallback, NULL );
- }
-
- if( var_Type( p_aout, "equalizer" ) == 0 )
- {
- module_config_t *p_config;
- int i;
-
- p_config = config_FindConfig( VLC_OBJECT(p_aout), "equalizer-preset" );
- if( p_config && p_config->i_list )
- {
- var_Create( p_aout, "equalizer",
- VLC_VAR_STRING | VLC_VAR_HASCHOICE );
- text.psz_string = _("Equalizer");
- var_Change( p_aout, "equalizer", VLC_VAR_SETTEXT, &text, NULL );
-
- 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 = (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_AddCallback( p_aout, "equalizer", EqualizerCallback, NULL );
- }
- }
-
- if( var_Type( p_aout, "audio-filter" ) == 0 )
- {
- var_Create( p_aout, "audio-filter",
- VLC_VAR_STRING | VLC_VAR_DOINHERIT );
- text.psz_string = _("Audio filters");
- var_Change( p_aout, "audio-filter", VLC_VAR_SETTEXT, &text, NULL );
- }
- if( var_Type( p_aout, "audio-visual" ) == 0 )
- {
- var_Create( p_aout, "audio-visual",
- VLC_VAR_STRING | VLC_VAR_DOINHERIT );
- text.psz_string = _("Audio visualizations");
- var_Change( p_aout, "audio-visual", VLC_VAR_SETTEXT, &text, NULL );
- }
-
- 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 );
-
- 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 )
- {
- var_Create( p_aout, "audio-replay-gain-default",
- VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
- }
- if( var_Type( p_aout, "audio-replay-gain-peak-protection" ) == 0 )
- {
- var_Create( p_aout, "audio-replay-gain-peak-protection",
- VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
- }
-
- 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_next = NULL;
- char *psz_parser = ppsz_array[i_visual];
-
- if( psz_parser == NULL || !*psz_parser )
- continue;
-
- while( psz_parser && *psz_parser )
- {
- filter_t * p_filter = NULL;
-
- if( p_input->i_nb_filters >= AOUT_MAX_FILTERS )
- {
- msg_Dbg( p_aout, "max filters reached (%d)", AOUT_MAX_FILTERS );
- break;
- }
-
- while( *psz_parser == ' ' && *psz_parser == ':' )
- {
- psz_parser++;
- }
- if( ( psz_next = strchr( psz_parser , ':' ) ) )
- {
- *psz_next++ = '\0';
- }
- if( *psz_parser =='\0' )
- {
- break;
- }
-
- /* Create a VLC object */
- 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)",
- psz_parser );
- psz_parser = psz_next;
- continue;
- }
-
- vlc_object_attach( p_filter , p_aout );
-
- 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) );
- 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 );
-
- 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 );
- }
- }
- }
-
- /* failure */
- 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 );
-
- module_unneed( p_filter, p_filter->p_module );
- free( p_filter->p_owner );
- vlc_object_release( p_filter );
-
- psz_parser = psz_next;
- continue;
- }
- }
-
- /* 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;
- }
- }
- free( psz_visual );
- free( psz_filters );
- free( psz_scaletempo );
-
- /* complete the filter chain if necessary */
- if ( !AOUT_FMTS_IDENTICAL( &chain_input_format, &chain_output_format ) )
- {
- 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;
- }
- }
-
- /* Create resamplers. */
- if ( !AOUT_FMT_NON_LINEAR( &p_aout->mixer_format ) )
- {
- chain_output_format.i_rate = (__MAX(p_input->input.i_rate,
- p_aout->mixer_format.i_rate)
- * (100 + AOUT_MAX_RESAMPLING)) / 100;
- if ( chain_output_format.i_rate == p_aout->mixer_format.i_rate )
- {
- /* Just in case... */
- chain_output_format.i_rate++;
- }
- if ( aout_FiltersCreatePipeline( p_aout, p_input->pp_resamplers,
- &p_input->i_nb_resamplers,
- &chain_output_format,
- &p_aout->mixer_format ) < 0 )
- {
- inputFailure( p_aout, p_input, "couldn't set a resampler pipeline");
- return -1;
- }
-
- /* Setup the initial rate of the resampler */
- p_input->pp_resamplers[0]->fmt_in.audio.i_rate = p_input->input.i_rate;
- }
p_input->i_resampling_type = AOUT_RESAMPLING_NONE;
-
- if( ! p_input->p_playback_rate_filter && p_input->i_nb_resamplers > 0 )
- {
- p_input->p_playback_rate_filter = p_input->pp_resamplers[0];
- }
-
- ReplayGainSelect( p_aout, p_input );
-
- /* Success */
- p_input->b_error = false;
p_input->i_last_input_rate = INPUT_RATE_DEFAULT;
-
- return 0;
+ p_input->i_buffer_lost = 0;
+ return p_input;
}
/*****************************************************************************
*****************************************************************************
* This function must be entered with the mixer lock.
*****************************************************************************/
-int aout_InputDelete( aout_instance_t * p_aout, aout_input_t * p_input )
+void aout_InputDelete (aout_input_t * p_input )
{
- 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 );
- p_input->i_nb_resamplers = 0;
- aout_FifoDestroy( p_aout, &p_input->mixer.fifo );
-
- return 0;
+ free (p_input);
}
-/*****************************************************************************
- * 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, int i_input_rate )
+block_t *aout_InputPlay(audio_output_t *p_aout, aout_input_t *p_input,
+ block_t *p_buffer, int i_input_rate, date_t *date )
{
mtime_t start_date;
- AOUT_ASSERT_INPUT_LOCKED;
-
- if( i_input_rate != INPUT_RATE_DEFAULT && p_input->p_playback_rate_filter == NULL )
- {
- inputDrop( p_input, p_buffer );
- return 0;
- }
+ aout_owner_t *owner = aout_owner(p_aout);
-#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;
+ aout_assert_locked( p_aout );
- /* Actually run the resampler now. */
- if ( p_input->i_nb_resamplers > 0 )
+ if( i_input_rate != INPUT_RATE_DEFAULT && owner->rate_filter == NULL )
{
- const mtime_t i_date = p_buffer->i_pts;
- aout_FiltersPlay( p_aout, p_input->pp_resamplers,
- p_input->i_nb_resamplers,
- &p_buffer );
- }
-
- if( !p_buffer )
- return 0;
- if( p_buffer->i_nb_samples <= 0 )
- {
- block_Release( p_buffer );
- return 0;
+ inputDrop( p_input, p_buffer );
+ return NULL;
}
-#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;
+ unsigned int * const pi_rate = &owner->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);
+ const int i_delta = *pi_rate - F(p_input->samplerate,p_input->i_last_input_rate);
+ *pi_rate = F(p_input->samplerate + i_delta, i_input_rate);
#undef F
p_input->i_last_input_rate = i_input_rate;
}
+ mtime_t now = mdate();
+
/* 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. */
- aout_lock_input_fifos( p_aout );
- start_date = aout_FifoNextStart( p_aout, &p_input->mixer.fifo );
- aout_unlock_input_fifos( p_aout );
+ start_date = date_Get (date);
- if ( start_date != 0 && start_date < mdate() )
+ if ( start_date != VLC_TS_INVALID && start_date < now )
{
/* 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 (%"PRId64"), "
- "clearing out", mdate() - start_date );
- 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 );
+ "clearing out", now - start_date );
+ aout_OutputFlush( p_aout, false );
if ( p_input->i_resampling_type != AOUT_RESAMPLING_NONE )
msg_Warn( p_aout, "timing screwed, stopping resampling" );
- inputResamplingStop( p_input );
+ inputResamplingStop( p_aout, p_input );
p_buffer->i_flags |= BLOCK_FLAG_DISCONTINUITY;
- start_date = 0;
+ start_date = VLC_TS_INVALID;
}
- if ( p_buffer->i_pts < mdate() + AOUT_MIN_PREPARE_TIME )
+ if ( p_buffer->i_pts < now + 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 (%"PRId64"), dropping buffer",
- mdate() - p_buffer->i_pts );
-
+ now - p_buffer->i_pts );
inputDrop( p_input, p_buffer );
- inputResamplingStop( p_input );
- return 0;
+ inputResamplingStop( p_aout, p_input );
+ return NULL;
}
/* 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->i_pts - i_pts_tolerance ) )
+ if( start_date == VLC_TS_INVALID )
{
- 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 );
+ start_date = p_buffer->i_pts;
+ date_Set (date, start_date);
+ }
+
+ mtime_t drift = start_date - p_buffer->i_pts;
+
+ if( drift < -i_input_rate * 3 * AOUT_MAX_PTS_ADVANCE / INPUT_RATE_DEFAULT )
+ {
+ msg_Warn( p_aout, "buffer way too early (%"PRId64"), clearing queue",
+ drift );
+ aout_OutputFlush( p_aout, false );
if ( p_input->i_resampling_type != AOUT_RESAMPLING_NONE )
msg_Warn( p_aout, "timing screwed, stopping resampling" );
- inputResamplingStop( p_input );
+ inputResamplingStop( p_aout, p_input );
p_buffer->i_flags |= BLOCK_FLAG_DISCONTINUITY;
- start_date = 0;
+ start_date = p_buffer->i_pts;
+ date_Set (date, start_date);
+ drift = 0;
}
- else if ( start_date != 0 &&
- ( start_date > p_buffer->i_pts + i_pts_tolerance) )
+ else
+ if( drift > +i_input_rate * 3 * AOUT_MAX_PTS_DELAY / INPUT_RATE_DEFAULT )
{
- msg_Warn( p_aout, "audio drift is too big (%"PRId64"), dropping buffer",
- start_date - p_buffer->i_pts );
+ msg_Warn( p_aout, "buffer way too late (%"PRId64"), dropping buffer",
+ drift );
inputDrop( p_input, p_buffer );
- return 0;
+ return NULL;
}
- if ( start_date == 0 ) start_date = p_buffer->i_pts;
-
-#ifndef AOUT_PROCESS_BEFORE_CHEKS
/* Run pre-filters. */
- aout_FiltersPlay( p_input->pp_filters, p_input->i_nb_filters, &p_buffer );
+ aout_FiltersPlay( owner->filters, owner->nb_filters, &p_buffer );
if( !p_buffer )
- return 0;
-#endif
+ return NULL;
/* 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->i_pts - AOUT_PTS_TOLERANCE
- || start_date > p_buffer->i_pts + AOUT_PTS_TOLERANCE ) &&
- p_input->i_nb_resamplers > 0 )
+ ( drift < -AOUT_MAX_PTS_ADVANCE || drift > +AOUT_MAX_PTS_DELAY ) &&
+ owner->resampler != NULL )
{
/* Can happen in several circumstances :
* 1. A problem at the input (clock drift)
* synchronization
* Solution : resample the buffer to avoid a scratch.
*/
- mtime_t drift = p_buffer->i_pts - start_date;
-
- p_input->i_resamp_start_date = mdate();
- p_input->i_resamp_start_drift = (int)drift;
-
- if ( drift > 0 )
- p_input->i_resampling_type = AOUT_RESAMPLING_DOWN;
- else
- p_input->i_resampling_type = AOUT_RESAMPLING_UP;
-
- msg_Warn( p_aout, "buffer is %"PRId64" %s, triggering %ssampling",
- drift > 0 ? drift : -drift,
- drift > 0 ? "in advance" : "late",
- drift > 0 ? "down" : "up");
+ p_input->i_resamp_start_drift = (int)-drift;
+ p_input->i_resampling_type = (drift < 0) ? AOUT_RESAMPLING_DOWN
+ : AOUT_RESAMPLING_UP;
+ msg_Warn( p_aout, (drift < 0)
+ ? "buffer too early (%"PRId64"), down-sampling"
+ : "buffer too late (%"PRId64"), up-sampling", drift );
}
if ( p_input->i_resampling_type != AOUT_RESAMPLING_NONE )
* it isn't too audible to the listener. */
if( p_input->i_resampling_type == AOUT_RESAMPLING_UP )
- {
- p_input->pp_resamplers[0]->fmt_in.audio.i_rate += 2; /* Hz */
- }
+ owner->resampler->fmt_in.audio.i_rate += 2; /* Hz */
else
- {
- p_input->pp_resamplers[0]->fmt_in.audio.i_rate -= 2; /* Hz */
- }
+ owner->resampler->fmt_in.audio.i_rate -= 2; /* Hz */
/* Check if everything is back to normal, in which case we can stop the
* resampling */
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 )
+ (owner->resampler == owner->rate_filter)
+ ? INPUT_RATE_DEFAULT * p_input->samplerate / i_input_rate
+ : p_input->samplerate;
+ if( owner->resampler->fmt_in.audio.i_rate == i_nominal_rate )
{
p_input->i_resampling_type = AOUT_RESAMPLING_NONE;
- msg_Warn( p_aout, "resampling stopped after %"PRIi64" usec "
- "(drift: %"PRIi64")",
- mdate() - p_input->i_resamp_start_date,
+ msg_Warn( p_aout, "resampling stopped (drift: %"PRIi64")",
p_buffer->i_pts - start_date);
}
else if( abs( (int)(p_buffer->i_pts - start_date) ) <
/* 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" );
- inputResamplingStop( p_input );
+ inputResamplingStop( p_aout, p_input );
p_buffer->i_flags |= BLOCK_FLAG_DISCONTINUITY;
}
}
-#ifndef AOUT_PROCESS_BEFORE_CHEKS
/* Actually run the resampler now. */
- if ( p_input->i_nb_resamplers > 0 )
- {
- aout_FiltersPlay( p_input->pp_resamplers, p_input->i_nb_resamplers,
- &p_buffer );
- }
+ if ( owner->resampler != NULL )
+ aout_FiltersPlay( &owner->resampler, 1, &p_buffer );
if( !p_buffer )
- return 0;
+ return NULL;
if( p_buffer->i_nb_samples <= 0 )
{
block_Release( p_buffer );
- return 0;
+ return NULL;
}
-#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;
-}
-
-bool aout_InputIsEmpty( aout_instance_t * p_aout, aout_input_t * p_input )
-{
- aout_lock_input_fifos( p_aout );
- bool is_empty = date_Get( &p_input->mixer.fifo.end_date ) <= mdate();
- aout_unlock_input_fifos( p_aout );
- return is_empty;
+ return p_buffer;
}
/*****************************************************************************
* static functions
*****************************************************************************/
-static void inputFailure( aout_instance_t * p_aout, aout_input_t * p_input,
- const char * psz_error_message )
-{
- /* error message */
- msg_Err( p_aout, "%s", psz_error_message );
-
- /* 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;
-}
-
-static void inputDrop( aout_input_t *p_input, aout_buffer_t *p_buffer )
+static void inputDrop( aout_input_t *p_input, block_t *p_buffer )
{
- aout_BufferFree( p_buffer );
+ block_Release( p_buffer );
p_input->i_buffer_lost++;
}
-static void inputResamplingStop( aout_input_t *p_input )
+static void inputResamplingStop( audio_output_t *p_aout, aout_input_t *p_input )
{
- p_input->i_resampling_type = AOUT_RESAMPLING_NONE;
- if( p_input->i_nb_resamplers != 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;
- }
-}
-
-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 );
-}
+ aout_owner_t *owner = aout_owner(p_aout);
-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,
- vlc_value_t oldval, vlc_value_t newval, void *p_data )
-{
- aout_instance_t *p_aout = (aout_instance_t *)p_this;
- char *psz_mode = newval.psz_string;
- (void)psz_cmd; (void)oldval; (void)p_data;
-
- if( !psz_mode || !*psz_mode )
- {
- 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, "audio-visual", "visual", false );
- ChangeFiltersString( p_aout, "audio-visual", "goom", true );
- ChangeFiltersString( p_aout, "audio-visual", "projectm", false );
- }
- else if( !strcmp( "projectm", psz_mode ) )
- {
- ChangeFiltersString( p_aout, "audio-visual", "visual", false );
- ChangeFiltersString( p_aout, "audio-visual", "goom", false );
- ChangeFiltersString( p_aout, "audio-visual", "projectm", true );
- }
- else
- {
- var_Create( p_aout, "effect-list", VLC_VAR_STRING );
- var_SetString( p_aout, "effect-list", psz_mode );
-
- ChangeFiltersString( p_aout, "audio-visual", "goom", false );
- ChangeFiltersString( p_aout, "audio-visual", "visual", true );
- ChangeFiltersString( p_aout, "audio-visual", "projectm", false );
- }
- }
-
- /* That sucks */
- AoutInputsMarkToRestart( p_aout );
-
- return VLC_SUCCESS;
-}
-
-static int EqualizerCallback( vlc_object_t *p_this, char const *psz_cmd,
- vlc_value_t oldval, vlc_value_t newval, void *p_data )
-{
- aout_instance_t *p_aout = (aout_instance_t *)p_this;
- char *psz_mode = newval.psz_string;
- int i_ret;
- (void)psz_cmd; (void)oldval; (void)p_data;
-
- if( !psz_mode || !*psz_mode )
- {
- i_ret = ChangeFiltersString( p_aout, "audio-filter", "equalizer",
- false );
- }
- else
- {
- var_Create( p_aout, "equalizer-preset", VLC_VAR_STRING );
- var_SetString( p_aout, "equalizer-preset", psz_mode );
- i_ret = ChangeFiltersString( p_aout, "audio-filter", "equalizer",
- true );
- }
-
- /* That sucks */
- if( i_ret == 1 )
- AoutInputsMarkToRestart( p_aout );
- return VLC_SUCCESS;
-}
-
-static int ReplayGainCallback( vlc_object_t *p_this, char const *psz_cmd,
- vlc_value_t oldval, vlc_value_t newval, void *p_data )
-{
- 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] );
-
- /* 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 );
-
- return VLC_SUCCESS;
-}
-
-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;
-
- /* 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] )
- {
- for( i_use = 0; i_use < AUDIO_REPLAY_GAIN_MAX; i_use++ )
- {
- if( p_input->replay_gain.pb_gain[i_use] )
- break;
- }
- }
-
- /* */
- 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 )
+ p_input->i_resampling_type = AOUT_RESAMPLING_NONE;
+ if( owner->resampler != NULL )
{
- p_input->mixer.multiplier = 1.0f / p_input->replay_gain.pf_peak[i_use];
+ owner->resampler->fmt_in.audio.i_rate =
+ ( owner->resampler == owner->rate_filter )
+ ? INPUT_RATE_DEFAULT * p_input->samplerate / p_input->i_last_input_rate
+ : p_input->samplerate;
}
-
- free( psz_replay_gain );
}
-