1 /*****************************************************************************
2 * input.c : internal management of input streams for the audio output
3 *****************************************************************************
4 * Copyright (C) 2002-2007 the VideoLAN team
7 * Authors: Christophe Massiot <massiot@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
32 #include <vlc_common.h>
39 #include <vlc_input.h>
40 #include <vlc_vout.h> /* for vout_Request */
48 #include "aout_internal.h"
50 #define AOUT_ASSERT_MIXER_LOCKED vlc_assert_locked( &p_aout->mixer_lock )
51 #define AOUT_ASSERT_INPUT_LOCKED vlc_assert_locked( &p_input->lock )
53 static void inputFailure( aout_instance_t *, aout_input_t *, const char * );
54 static void inputDrop( aout_input_t *, aout_buffer_t * );
55 static void inputResamplingStop( aout_input_t *p_input );
57 static int VisualizationCallback( vlc_object_t *, char const *,
58 vlc_value_t, vlc_value_t, void * );
59 static int EqualizerCallback( vlc_object_t *, char const *,
60 vlc_value_t, vlc_value_t, void * );
61 static int ReplayGainCallback( vlc_object_t *, char const *,
62 vlc_value_t, vlc_value_t, void * );
63 static void ReplayGainSelect( aout_instance_t *, aout_input_t * );
65 static vout_thread_t *RequestVout( void *,
66 vout_thread_t *, video_format_t *, bool );
67 static vout_thread_t *RequestVoutFromFilter( void *,
68 vout_thread_t *, video_format_t *, bool );
70 /*****************************************************************************
71 * aout_InputNew : allocate a new input and rework the filter pipeline
72 *****************************************************************************/
73 int aout_InputNew( aout_instance_t * p_aout, aout_input_t * p_input, const aout_request_vout_t *p_request_vout )
75 audio_sample_format_t chain_input_format;
76 audio_sample_format_t chain_output_format;
77 vlc_value_t val, text;
78 char *psz_filters, *psz_visual, *psz_scaletempo;
81 aout_FormatPrint( p_aout, "input", &p_input->input );
83 p_input->i_nb_resamplers = p_input->i_nb_filters = 0;
86 aout_FifoInit( p_aout, &p_input->fifo, p_aout->mixer.mixer.i_rate );
87 p_input->p_first_byte_to_mix = NULL;
92 p_input->request_vout = *p_request_vout;
96 p_input->request_vout.pf_request_vout = RequestVout;
97 p_input->request_vout.p_private = p_aout;
100 /* Prepare format structure */
101 memcpy( &chain_input_format, &p_input->input,
102 sizeof(audio_sample_format_t) );
103 memcpy( &chain_output_format, &p_aout->mixer.mixer,
104 sizeof(audio_sample_format_t) );
105 chain_output_format.i_rate = p_input->input.i_rate;
106 aout_FormatPrepare( &chain_output_format );
108 /* Now add user filters */
109 if( var_Type( p_aout, "visual" ) == 0 )
111 var_Create( p_aout, "visual", VLC_VAR_STRING | VLC_VAR_HASCHOICE );
112 text.psz_string = _("Visualizations");
113 var_Change( p_aout, "visual", VLC_VAR_SETTEXT, &text, NULL );
114 val.psz_string = (char*)""; text.psz_string = _("Disable");
115 var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
116 val.psz_string = (char*)"spectrometer"; text.psz_string = _("Spectrometer");
117 var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
118 val.psz_string = (char*)"scope"; text.psz_string = _("Scope");
119 var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
120 val.psz_string = (char*)"spectrum"; text.psz_string = _("Spectrum");
121 var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
122 val.psz_string = (char*)"vuMeter"; text.psz_string = _("Vu meter");
123 var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
125 /* Look for goom plugin */
126 if( module_exists( "goom" ) )
128 val.psz_string = (char*)"goom"; text.psz_string = (char*)"Goom";
129 var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
132 /* Look for galaktos plugin */
133 if( module_exists( "galaktos" ) )
135 val.psz_string = (char*)"galaktos"; text.psz_string = (char*)"GaLaktos";
136 var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
139 /* Look for libprojectM plugin */
140 if( module_exists( "projectm" ) )
142 val.psz_string = (char*)"projectm"; text.psz_string = (char*)"projectM";
143 var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
146 if( var_Get( p_aout, "effect-list", &val ) == VLC_SUCCESS )
148 var_SetString( p_aout, "visual", val.psz_string );
149 free( val.psz_string );
151 var_AddCallback( p_aout, "visual", VisualizationCallback, NULL );
154 if( var_Type( p_aout, "equalizer" ) == 0 )
156 module_config_t *p_config;
159 p_config = config_FindConfig( VLC_OBJECT(p_aout), "equalizer-preset" );
160 if( p_config && p_config->i_list )
162 var_Create( p_aout, "equalizer",
163 VLC_VAR_STRING | VLC_VAR_HASCHOICE );
164 text.psz_string = _("Equalizer");
165 var_Change( p_aout, "equalizer", VLC_VAR_SETTEXT, &text, NULL );
167 val.psz_string = (char*)""; text.psz_string = _("Disable");
168 var_Change( p_aout, "equalizer", VLC_VAR_ADDCHOICE, &val, &text );
170 for( i = 0; i < p_config->i_list; i++ )
172 val.psz_string = (char *)p_config->ppsz_list[i];
173 text.psz_string = (char *)p_config->ppsz_list_text[i];
174 var_Change( p_aout, "equalizer", VLC_VAR_ADDCHOICE,
178 var_AddCallback( p_aout, "equalizer", EqualizerCallback, NULL );
182 if( var_Type( p_aout, "audio-filter" ) == 0 )
184 var_Create( p_aout, "audio-filter",
185 VLC_VAR_STRING | VLC_VAR_DOINHERIT );
186 text.psz_string = _("Audio filters");
187 var_Change( p_aout, "audio-filter", VLC_VAR_SETTEXT, &text, NULL );
189 if( var_Type( p_aout, "audio-visual" ) == 0 )
191 var_Create( p_aout, "audio-visual",
192 VLC_VAR_STRING | VLC_VAR_DOINHERIT );
193 text.psz_string = _("Audio visualizations");
194 var_Change( p_aout, "audio-visual", VLC_VAR_SETTEXT, &text, NULL );
197 if( var_Type( p_aout, "audio-replay-gain-mode" ) == 0 )
199 module_config_t *p_config;
202 p_config = config_FindConfig( VLC_OBJECT(p_aout), "audio-replay-gain-mode" );
203 if( p_config && p_config->i_list )
205 var_Create( p_aout, "audio-replay-gain-mode",
206 VLC_VAR_STRING | VLC_VAR_DOINHERIT );
208 text.psz_string = _("Replay gain");
209 var_Change( p_aout, "audio-replay-gain-mode", VLC_VAR_SETTEXT, &text, NULL );
211 for( i = 0; i < p_config->i_list; i++ )
213 val.psz_string = (char *)p_config->ppsz_list[i];
214 text.psz_string = (char *)p_config->ppsz_list_text[i];
215 var_Change( p_aout, "audio-replay-gain-mode", VLC_VAR_ADDCHOICE,
219 var_AddCallback( p_aout, "audio-replay-gain-mode", ReplayGainCallback, NULL );
222 if( var_Type( p_aout, "audio-replay-gain-preamp" ) == 0 )
224 var_Create( p_aout, "audio-replay-gain-preamp",
225 VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
227 if( var_Type( p_aout, "audio-replay-gain-default" ) == 0 )
229 var_Create( p_aout, "audio-replay-gain-default",
230 VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
232 if( var_Type( p_aout, "audio-replay-gain-peak-protection" ) == 0 )
234 var_Create( p_aout, "audio-replay-gain-peak-protection",
235 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
237 if( var_Type( p_aout, "audio-time-stretch" ) == 0 )
239 var_Create( p_aout, "audio-time-stretch",
240 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
243 psz_filters = var_GetString( p_aout, "audio-filter" );
244 psz_visual = var_GetString( p_aout, "audio-visual");
245 psz_scaletempo = var_GetBool( p_aout, "audio-time-stretch" ) ? strdup( "scaletempo" ) : NULL;
247 p_input->b_recycle_vout = psz_visual && *psz_visual;
249 /* parse user filter lists */
250 char *const ppsz_array[] = { psz_scaletempo, psz_filters, psz_visual };
251 p_input->p_playback_rate_filter = NULL;
253 for( i_visual = 0; i_visual < 3 && !AOUT_FMT_NON_LINEAR(&chain_output_format); i_visual++ )
255 char *psz_next = NULL;
256 char *psz_parser = ppsz_array[i_visual];
258 if( psz_parser == NULL || !*psz_parser )
261 while( psz_parser && *psz_parser )
263 aout_filter_t * p_filter = NULL;
265 if( p_input->i_nb_filters >= AOUT_MAX_FILTERS )
267 msg_Dbg( p_aout, "max filters reached (%d)", AOUT_MAX_FILTERS );
271 while( *psz_parser == ' ' && *psz_parser == ':' )
275 if( ( psz_next = strchr( psz_parser , ':' ) ) )
279 if( *psz_parser =='\0' )
284 /* Create a VLC object */
285 static const char typename[] = "audio filter";
286 p_filter = vlc_custom_create( p_aout, sizeof(*p_filter),
287 VLC_OBJECT_GENERIC, typename );
288 if( p_filter == NULL )
290 msg_Err( p_aout, "cannot add user filter %s (skipped)",
292 psz_parser = psz_next;
296 vlc_object_attach( p_filter , p_aout );
298 p_filter->request_vout.pf_request_vout = RequestVoutFromFilter;
299 p_filter->request_vout.p_private = p_input;
301 p_filter->p_owner = malloc( sizeof(*p_filter->p_owner) );
302 p_filter->p_owner->p_aout = p_aout;
303 p_filter->p_owner->p_input = p_input;
306 memcpy( &p_filter->input, &chain_output_format,
307 sizeof(audio_sample_format_t) );
308 memcpy( &p_filter->output, &chain_output_format,
309 sizeof(audio_sample_format_t) );
312 /* try to find the requested filter */
313 if( i_visual == 2 ) /* this can only be a visualization module */
316 p_filter->p_module = module_need( p_filter, "visualization",
319 else /* this can be a audio filter module as well as a visualization module */
321 p_filter->p_module = module_need( p_filter, "audio filter",
324 if ( p_filter->p_module == NULL )
326 /* if the filter requested a special format, retry */
327 if ( !( AOUT_FMTS_IDENTICAL( &p_filter->input,
328 &chain_input_format )
329 && AOUT_FMTS_IDENTICAL( &p_filter->output,
330 &chain_output_format ) ) )
332 aout_FormatPrepare( &p_filter->input );
333 aout_FormatPrepare( &p_filter->output );
334 p_filter->p_module = module_need( p_filter,
338 /* try visual filters */
341 memcpy( &p_filter->input, &chain_output_format,
342 sizeof(audio_sample_format_t) );
343 memcpy( &p_filter->output, &chain_output_format,
344 sizeof(audio_sample_format_t) );
345 p_filter->p_module = module_need( p_filter,
353 if ( p_filter->p_module == NULL )
355 msg_Err( p_aout, "cannot add user filter %s (skipped)",
358 free( p_filter->p_owner );
359 vlc_object_detach( p_filter );
360 vlc_object_release( p_filter );
362 psz_parser = psz_next;
366 /* complete the filter chain if necessary */
367 if ( !AOUT_FMTS_IDENTICAL( &chain_input_format, &p_filter->input ) )
369 if ( aout_FiltersCreatePipeline( p_aout, p_input->pp_filters,
370 &p_input->i_nb_filters,
372 &p_filter->input ) < 0 )
374 msg_Err( p_aout, "cannot add user filter %s (skipped)",
377 module_unneed( p_filter, p_filter->p_module );
378 free( p_filter->p_owner );
379 vlc_object_detach( p_filter );
380 vlc_object_release( p_filter );
382 psz_parser = psz_next;
388 p_filter->b_continuity = false;
389 p_input->pp_filters[p_input->i_nb_filters++] = p_filter;
390 memcpy( &chain_input_format, &p_filter->output,
391 sizeof( audio_sample_format_t ) );
393 if( i_visual == 0 ) /* scaletempo */
394 p_input->p_playback_rate_filter = p_filter;
396 /* next filter if any */
397 psz_parser = psz_next;
402 free( psz_scaletempo );
404 /* complete the filter chain if necessary */
405 if ( !AOUT_FMTS_IDENTICAL( &chain_input_format, &chain_output_format ) )
407 if ( aout_FiltersCreatePipeline( p_aout, p_input->pp_filters,
408 &p_input->i_nb_filters,
410 &chain_output_format ) < 0 )
412 inputFailure( p_aout, p_input, "couldn't set an input pipeline" );
417 /* Prepare hints for the buffer allocator. */
418 p_input->input_alloc.i_alloc_type = AOUT_ALLOC_HEAP;
419 p_input->input_alloc.i_bytes_per_sec = -1;
421 /* Create resamplers. */
422 if ( !AOUT_FMT_NON_LINEAR( &p_aout->mixer.mixer ) )
424 chain_output_format.i_rate = (__MAX(p_input->input.i_rate,
425 p_aout->mixer.mixer.i_rate)
426 * (100 + AOUT_MAX_RESAMPLING)) / 100;
427 if ( chain_output_format.i_rate == p_aout->mixer.mixer.i_rate )
429 /* Just in case... */
430 chain_output_format.i_rate++;
432 if ( aout_FiltersCreatePipeline( p_aout, p_input->pp_resamplers,
433 &p_input->i_nb_resamplers,
434 &chain_output_format,
435 &p_aout->mixer.mixer ) < 0 )
437 inputFailure( p_aout, p_input, "couldn't set a resampler pipeline");
441 aout_FiltersHintBuffers( p_aout, p_input->pp_resamplers,
442 p_input->i_nb_resamplers,
443 &p_input->input_alloc );
444 p_input->input_alloc.i_alloc_type = AOUT_ALLOC_HEAP;
446 /* Setup the initial rate of the resampler */
447 p_input->pp_resamplers[0]->input.i_rate = p_input->input.i_rate;
449 p_input->i_resampling_type = AOUT_RESAMPLING_NONE;
451 if( ! p_input->p_playback_rate_filter && p_input->i_nb_resamplers > 0 )
453 p_input->p_playback_rate_filter = p_input->pp_resamplers[0];
456 aout_FiltersHintBuffers( p_aout, p_input->pp_filters,
457 p_input->i_nb_filters,
458 &p_input->input_alloc );
459 p_input->input_alloc.i_alloc_type = AOUT_ALLOC_HEAP;
461 /* i_bytes_per_sec is still == -1 if no filters */
462 p_input->input_alloc.i_bytes_per_sec = __MAX(
463 p_input->input_alloc.i_bytes_per_sec,
464 (int)(p_input->input.i_bytes_per_frame
465 * p_input->input.i_rate
466 / p_input->input.i_frame_length) );
468 ReplayGainSelect( p_aout, p_input );
471 p_input->b_error = false;
472 p_input->b_restart = false;
473 p_input->i_last_input_rate = INPUT_RATE_DEFAULT;
478 /*****************************************************************************
479 * aout_InputDelete : delete an input
480 *****************************************************************************
481 * This function must be entered with the mixer lock.
482 *****************************************************************************/
483 int aout_InputDelete( aout_instance_t * p_aout, aout_input_t * p_input )
485 AOUT_ASSERT_MIXER_LOCKED;
486 if ( p_input->b_error )
489 /* XXX We need to update b_recycle_vout before calling aout_FiltersDestroyPipeline.
490 * FIXME They can be a race condition if audio-visual is updated between
491 * aout_InputDelete and aout_InputNew.
493 char *psz_visual = var_GetString( p_aout, "audio-visual");
494 p_input->b_recycle_vout = psz_visual && *psz_visual;
497 aout_FiltersDestroyPipeline( p_aout, p_input->pp_filters,
498 p_input->i_nb_filters );
499 p_input->i_nb_filters = 0;
500 aout_FiltersDestroyPipeline( p_aout, p_input->pp_resamplers,
501 p_input->i_nb_resamplers );
502 p_input->i_nb_resamplers = 0;
503 aout_FifoDestroy( p_aout, &p_input->fifo );
508 /*****************************************************************************
509 * aout_InputPlay : play a buffer
510 *****************************************************************************
511 * This function must be entered with the input lock.
512 *****************************************************************************/
513 /* XXX Do not activate it !! */
514 //#define AOUT_PROCESS_BEFORE_CHEKS
515 int aout_InputPlay( aout_instance_t * p_aout, aout_input_t * p_input,
516 aout_buffer_t * p_buffer, int i_input_rate )
519 AOUT_ASSERT_INPUT_LOCKED;
521 if( p_input->b_restart )
524 uint8_t *p_first_byte_to_mix;
526 mtime_t i_pause_date;
528 aout_lock_mixer( p_aout );
529 aout_lock_input_fifos( p_aout );
531 /* A little trick to avoid loosing our input fifo and properties */
533 p_first_byte_to_mix = p_input->p_first_byte_to_mix;
534 fifo = p_input->fifo;
535 b_paused = p_input->b_paused;
536 i_pause_date = p_input->i_pause_date;
538 aout_FifoInit( p_aout, &p_input->fifo, p_aout->mixer.mixer.i_rate );
540 aout_InputDelete( p_aout, p_input );
542 aout_InputNew( p_aout, p_input, &p_input->request_vout );
543 p_input->p_first_byte_to_mix = p_first_byte_to_mix;
544 p_input->fifo = fifo;
545 p_input->b_paused = b_paused;
546 p_input->i_pause_date = i_pause_date;
548 aout_unlock_input_fifos( p_aout );
549 aout_unlock_mixer( p_aout );
552 if( i_input_rate != INPUT_RATE_DEFAULT && p_input->p_playback_rate_filter == NULL )
554 inputDrop( p_input, p_buffer );
558 #ifdef AOUT_PROCESS_BEFORE_CHEKS
559 /* Run pre-filters. */
560 aout_FiltersPlay( p_aout, p_input->pp_filters, p_input->i_nb_filters,
563 /* Actually run the resampler now. */
564 if ( p_input->i_nb_resamplers > 0 )
566 const mtime_t i_date = p_buffer->start_date;
567 aout_FiltersPlay( p_aout, p_input->pp_resamplers,
568 p_input->i_nb_resamplers,
572 if( p_buffer->i_nb_samples <= 0 )
574 aout_BufferFree( p_buffer );
579 /* Handle input rate change, but keep drift correction */
580 if( i_input_rate != p_input->i_last_input_rate )
582 unsigned int * const pi_rate = &p_input->p_playback_rate_filter->input.i_rate;
583 #define F(r,ir) ( INPUT_RATE_DEFAULT * (r) / (ir) )
584 const int i_delta = *pi_rate - F(p_input->input.i_rate,p_input->i_last_input_rate);
585 *pi_rate = F(p_input->input.i_rate + i_delta, i_input_rate);
587 p_input->i_last_input_rate = i_input_rate;
590 /* We don't care if someone changes the start date behind our back after
591 * this. We'll deal with that when pushing the buffer, and compensate
592 * with the next incoming buffer. */
593 aout_lock_input_fifos( p_aout );
594 start_date = aout_FifoNextStart( p_aout, &p_input->fifo );
595 aout_unlock_input_fifos( p_aout );
597 if ( start_date != 0 && start_date < mdate() )
599 /* The decoder is _very_ late. This can only happen if the user
600 * pauses the stream (or if the decoder is buggy, which cannot
602 msg_Warn( p_aout, "computed PTS is out of range (%"PRId64"), "
603 "clearing out", mdate() - start_date );
604 aout_lock_input_fifos( p_aout );
605 aout_FifoSet( p_aout, &p_input->fifo, 0 );
606 p_input->p_first_byte_to_mix = NULL;
607 aout_unlock_input_fifos( p_aout );
608 if ( p_input->i_resampling_type != AOUT_RESAMPLING_NONE )
609 msg_Warn( p_aout, "timing screwed, stopping resampling" );
610 inputResamplingStop( p_input );
614 if ( p_buffer->start_date < mdate() + AOUT_MIN_PREPARE_TIME )
616 /* The decoder gives us f*cked up PTS. It's its business, but we
617 * can't present it anyway, so drop the buffer. */
618 msg_Warn( p_aout, "PTS is out of range (%"PRId64"), dropping buffer",
619 mdate() - p_buffer->start_date );
621 inputDrop( p_input, p_buffer );
622 inputResamplingStop( p_input );
626 /* If the audio drift is too big then it's not worth trying to resample
628 mtime_t i_pts_tolerance = 3 * AOUT_PTS_TOLERANCE * i_input_rate / INPUT_RATE_DEFAULT;
629 if ( start_date != 0 &&
630 ( start_date < p_buffer->start_date - i_pts_tolerance ) )
632 msg_Warn( p_aout, "audio drift is too big (%"PRId64"), clearing out",
633 start_date - p_buffer->start_date );
634 aout_lock_input_fifos( p_aout );
635 aout_FifoSet( p_aout, &p_input->fifo, 0 );
636 p_input->p_first_byte_to_mix = NULL;
637 aout_unlock_input_fifos( p_aout );
638 if ( p_input->i_resampling_type != AOUT_RESAMPLING_NONE )
639 msg_Warn( p_aout, "timing screwed, stopping resampling" );
640 inputResamplingStop( p_input );
643 else if ( start_date != 0 &&
644 ( start_date > p_buffer->start_date + i_pts_tolerance) )
646 msg_Warn( p_aout, "audio drift is too big (%"PRId64"), dropping buffer",
647 start_date - p_buffer->start_date );
648 inputDrop( p_input, p_buffer );
652 if ( start_date == 0 ) start_date = p_buffer->start_date;
654 #ifndef AOUT_PROCESS_BEFORE_CHEKS
655 /* Run pre-filters. */
656 aout_FiltersPlay( p_aout, p_input->pp_filters, p_input->i_nb_filters,
660 /* Run the resampler if needed.
661 * We first need to calculate the output rate of this resampler. */
662 if ( ( p_input->i_resampling_type == AOUT_RESAMPLING_NONE ) &&
663 ( start_date < p_buffer->start_date - AOUT_PTS_TOLERANCE
664 || start_date > p_buffer->start_date + AOUT_PTS_TOLERANCE ) &&
665 p_input->i_nb_resamplers > 0 )
667 /* Can happen in several circumstances :
668 * 1. A problem at the input (clock drift)
669 * 2. A small pause triggered by the user
670 * 3. Some delay in the output stage, causing a loss of lip
672 * Solution : resample the buffer to avoid a scratch.
674 mtime_t drift = p_buffer->start_date - start_date;
676 p_input->i_resamp_start_date = mdate();
677 p_input->i_resamp_start_drift = (int)drift;
680 p_input->i_resampling_type = AOUT_RESAMPLING_DOWN;
682 p_input->i_resampling_type = AOUT_RESAMPLING_UP;
684 msg_Warn( p_aout, "buffer is %"PRId64" %s, triggering %ssampling",
685 drift > 0 ? drift : -drift,
686 drift > 0 ? "in advance" : "late",
687 drift > 0 ? "down" : "up");
690 if ( p_input->i_resampling_type != AOUT_RESAMPLING_NONE )
692 /* Resampling has been triggered previously (because of dates
693 * mismatch). We want the resampling to happen progressively so
694 * it isn't too audible to the listener. */
696 if( p_input->i_resampling_type == AOUT_RESAMPLING_UP )
698 p_input->pp_resamplers[0]->input.i_rate += 2; /* Hz */
702 p_input->pp_resamplers[0]->input.i_rate -= 2; /* Hz */
705 /* Check if everything is back to normal, in which case we can stop the
707 unsigned int i_nominal_rate =
708 (p_input->pp_resamplers[0] == p_input->p_playback_rate_filter)
709 ? INPUT_RATE_DEFAULT * p_input->input.i_rate / i_input_rate
710 : p_input->input.i_rate;
711 if( p_input->pp_resamplers[0]->input.i_rate == i_nominal_rate )
713 p_input->i_resampling_type = AOUT_RESAMPLING_NONE;
714 msg_Warn( p_aout, "resampling stopped after %"PRIi64" usec "
715 "(drift: %"PRIi64")",
716 mdate() - p_input->i_resamp_start_date,
717 p_buffer->start_date - start_date);
719 else if( abs( (int)(p_buffer->start_date - start_date) ) <
720 abs( p_input->i_resamp_start_drift ) / 2 )
722 /* if we reduced the drift from half, then it is time to switch
723 * back the resampling direction. */
724 if( p_input->i_resampling_type == AOUT_RESAMPLING_UP )
725 p_input->i_resampling_type = AOUT_RESAMPLING_DOWN;
727 p_input->i_resampling_type = AOUT_RESAMPLING_UP;
728 p_input->i_resamp_start_drift = 0;
730 else if( p_input->i_resamp_start_drift &&
731 ( abs( (int)(p_buffer->start_date - start_date) ) >
732 abs( p_input->i_resamp_start_drift ) * 3 / 2 ) )
734 /* If the drift is increasing and not decreasing, than something
735 * is bad. We'd better stop the resampling right now. */
736 msg_Warn( p_aout, "timing screwed, stopping resampling" );
737 inputResamplingStop( p_input );
741 #ifndef AOUT_PROCESS_BEFORE_CHEKS
742 /* Actually run the resampler now. */
743 if ( p_input->i_nb_resamplers > 0 )
745 aout_FiltersPlay( p_aout, p_input->pp_resamplers,
746 p_input->i_nb_resamplers,
750 if( p_buffer->i_nb_samples <= 0 )
752 aout_BufferFree( p_buffer );
757 /* Adding the start date will be managed by aout_FifoPush(). */
758 p_buffer->end_date = start_date +
759 (p_buffer->end_date - p_buffer->start_date);
760 p_buffer->start_date = start_date;
762 aout_lock_input_fifos( p_aout );
763 aout_FifoPush( p_aout, &p_input->fifo, p_buffer );
764 aout_unlock_input_fifos( p_aout );
768 /*****************************************************************************
770 *****************************************************************************/
772 static void inputFailure( aout_instance_t * p_aout, aout_input_t * p_input,
773 const char * psz_error_message )
776 msg_Err( p_aout, "%s", psz_error_message );
779 aout_FiltersDestroyPipeline( p_aout, p_input->pp_filters,
780 p_input->i_nb_filters );
781 aout_FiltersDestroyPipeline( p_aout, p_input->pp_resamplers,
782 p_input->i_nb_resamplers );
783 aout_FifoDestroy( p_aout, &p_input->fifo );
784 var_Destroy( p_aout, "visual" );
785 var_Destroy( p_aout, "equalizer" );
786 var_Destroy( p_aout, "audio-filter" );
787 var_Destroy( p_aout, "audio-visual" );
789 var_Destroy( p_aout, "audio-replay-gain-mode" );
790 var_Destroy( p_aout, "audio-replay-gain-default" );
791 var_Destroy( p_aout, "audio-replay-gain-preamp" );
792 var_Destroy( p_aout, "audio-replay-gain-peak-protection" );
795 p_input->b_error = 1;
798 static void inputDrop( aout_input_t *p_input, aout_buffer_t *p_buffer )
800 aout_BufferFree( p_buffer );
802 p_input->i_buffer_lost++;
805 static void inputResamplingStop( aout_input_t *p_input )
807 p_input->i_resampling_type = AOUT_RESAMPLING_NONE;
808 if( p_input->i_nb_resamplers != 0 )
810 p_input->pp_resamplers[0]->input.i_rate =
811 ( p_input->pp_resamplers[0] == p_input->p_playback_rate_filter )
812 ? INPUT_RATE_DEFAULT * p_input->input.i_rate / p_input->i_last_input_rate
813 : p_input->input.i_rate;
814 p_input->pp_resamplers[0]->b_continuity = false;
818 static vout_thread_t *RequestVout( void *p_private,
819 vout_thread_t *p_vout, video_format_t *p_fmt, bool b_recycle )
821 aout_instance_t *p_aout = p_private;
822 VLC_UNUSED(b_recycle);
823 return vout_Request( p_aout, p_vout, p_fmt );
826 static vout_thread_t *RequestVoutFromFilter( void *p_private,
827 vout_thread_t *p_vout, video_format_t *p_fmt, bool b_recycle )
829 aout_input_t *p_input = p_private;
830 aout_request_vout_t *p_request = &p_input->request_vout;
832 return p_request->pf_request_vout( p_request->p_private,
833 p_vout, p_fmt, p_input->b_recycle_vout && b_recycle );
836 static int ChangeFiltersString( aout_instance_t * p_aout, const char* psz_variable,
837 const char *psz_name, bool b_add )
839 return AoutChangeFilterString( VLC_OBJECT(p_aout), p_aout,
840 psz_variable, psz_name, b_add ) ? 1 : 0;
843 static int VisualizationCallback( vlc_object_t *p_this, char const *psz_cmd,
844 vlc_value_t oldval, vlc_value_t newval, void *p_data )
846 aout_instance_t *p_aout = (aout_instance_t *)p_this;
847 char *psz_mode = newval.psz_string;
848 (void)psz_cmd; (void)oldval; (void)p_data;
850 if( !psz_mode || !*psz_mode )
852 ChangeFiltersString( p_aout, "audio-visual", "goom", false );
853 ChangeFiltersString( p_aout, "audio-visual", "visual", false );
854 ChangeFiltersString( p_aout, "audio-visual", "galaktos", false );
855 ChangeFiltersString( p_aout, "audio-visual", "projectm", false );
859 if( !strcmp( "goom", psz_mode ) )
861 ChangeFiltersString( p_aout, "audio-visual", "visual", false );
862 ChangeFiltersString( p_aout, "audio-visual", "goom", true );
863 ChangeFiltersString( p_aout, "audio-visual", "galaktos", false );
864 ChangeFiltersString( p_aout, "audio-visual", "projectm", false );
866 else if( !strcmp( "galaktos", psz_mode ) )
868 ChangeFiltersString( p_aout, "audio-visual", "visual", false );
869 ChangeFiltersString( p_aout, "audio-visual", "goom", false );
870 ChangeFiltersString( p_aout, "audio-visual", "galaktos", true );
872 else if( !strcmp( "projectm", psz_mode ) )
874 ChangeFiltersString( p_aout, "audio-visual", "visual", false );
875 ChangeFiltersString( p_aout, "audio-visual", "goom", false );
876 ChangeFiltersString( p_aout, "audio-visual", "galaktos", false );
877 ChangeFiltersString( p_aout, "audio-visual", "projectm", true );
881 var_Create( p_aout, "effect-list", VLC_VAR_STRING );
882 var_SetString( p_aout, "effect-list", psz_mode );
884 ChangeFiltersString( p_aout, "audio-visual", "goom", false );
885 ChangeFiltersString( p_aout, "audio-visual", "visual", true );
886 ChangeFiltersString( p_aout, "audio-visual", "galaktos", false );
887 ChangeFiltersString( p_aout, "audio-visual", "projectm", false );
892 AoutInputsMarkToRestart( p_aout );
897 static int EqualizerCallback( vlc_object_t *p_this, char const *psz_cmd,
898 vlc_value_t oldval, vlc_value_t newval, void *p_data )
900 aout_instance_t *p_aout = (aout_instance_t *)p_this;
901 char *psz_mode = newval.psz_string;
903 (void)psz_cmd; (void)oldval; (void)p_data;
905 if( !psz_mode || !*psz_mode )
907 i_ret = ChangeFiltersString( p_aout, "audio-filter", "equalizer",
912 var_Create( p_aout, "equalizer-preset", VLC_VAR_STRING );
913 var_SetString( p_aout, "equalizer-preset", psz_mode );
914 i_ret = ChangeFiltersString( p_aout, "audio-filter", "equalizer",
920 AoutInputsMarkToRestart( p_aout );
924 static int ReplayGainCallback( vlc_object_t *p_this, char const *psz_cmd,
925 vlc_value_t oldval, vlc_value_t newval, void *p_data )
927 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
928 VLC_UNUSED(newval); VLC_UNUSED(p_data);
929 aout_instance_t *p_aout = (aout_instance_t *)p_this;
932 aout_lock_mixer( p_aout );
933 for( i = 0; i < p_aout->i_nb_inputs; i++ )
934 ReplayGainSelect( p_aout, p_aout->pp_inputs[i] );
936 /* Restart the mixer (a trivial mixer may be in use) */
937 aout_MixerMultiplierSet( p_aout, p_aout->mixer.f_multiplier );
938 aout_unlock_mixer( p_aout );
943 static void ReplayGainSelect( aout_instance_t *p_aout, aout_input_t *p_input )
945 char *psz_replay_gain = var_GetNonEmptyString( p_aout,
946 "audio-replay-gain-mode" );
951 p_input->f_multiplier = 1.0;
953 if( !psz_replay_gain )
956 /* Find select mode */
957 if( !strcmp( psz_replay_gain, "track" ) )
958 i_mode = AUDIO_REPLAY_GAIN_TRACK;
959 else if( !strcmp( psz_replay_gain, "album" ) )
960 i_mode = AUDIO_REPLAY_GAIN_ALBUM;
962 i_mode = AUDIO_REPLAY_GAIN_MAX;
964 /* If the select mode is not available, prefer the other one */
966 if( i_use != AUDIO_REPLAY_GAIN_MAX && !p_input->replay_gain.pb_gain[i_use] )
968 for( i_use = 0; i_use < AUDIO_REPLAY_GAIN_MAX; i_use++ )
970 if( p_input->replay_gain.pb_gain[i_use] )
976 if( i_use != AUDIO_REPLAY_GAIN_MAX )
977 f_gain = p_input->replay_gain.pf_gain[i_use] + var_GetFloat( p_aout, "audio-replay-gain-preamp" );
978 else if( i_mode != AUDIO_REPLAY_GAIN_MAX )
979 f_gain = var_GetFloat( p_aout, "audio-replay-gain-default" );
982 p_input->f_multiplier = pow( 10.0, f_gain / 20.0 );
985 if( p_input->replay_gain.pb_peak[i_use] &&
986 var_GetBool( p_aout, "audio-replay-gain-peak-protection" ) &&
987 p_input->replay_gain.pf_peak[i_use] * p_input->f_multiplier > 1.0 )
989 p_input->f_multiplier = 1.0f / p_input->replay_gain.pf_peak[i_use];
992 free( psz_replay_gain );