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->mixer.fifo, p_aout->p_mixer->fmt.i_rate );
87 p_input->mixer.begin = 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 chain_input_format = p_input->input;
102 chain_output_format = p_aout->p_mixer->fmt;
103 chain_output_format.i_rate = p_input->input.i_rate;
104 aout_FormatPrepare( &chain_output_format );
106 /* Now add user filters */
107 if( var_Type( p_aout, "visual" ) == 0 )
109 var_Create( p_aout, "visual", VLC_VAR_STRING | VLC_VAR_HASCHOICE );
110 text.psz_string = _("Visualizations");
111 var_Change( p_aout, "visual", VLC_VAR_SETTEXT, &text, NULL );
112 val.psz_string = (char*)""; text.psz_string = _("Disable");
113 var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
114 val.psz_string = (char*)"spectrometer"; text.psz_string = _("Spectrometer");
115 var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
116 val.psz_string = (char*)"scope"; text.psz_string = _("Scope");
117 var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
118 val.psz_string = (char*)"spectrum"; text.psz_string = _("Spectrum");
119 var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
120 val.psz_string = (char*)"vuMeter"; text.psz_string = _("Vu meter");
121 var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
123 /* Look for goom plugin */
124 if( module_exists( "goom" ) )
126 val.psz_string = (char*)"goom"; text.psz_string = (char*)"Goom";
127 var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
130 /* Look for galaktos plugin */
131 if( module_exists( "galaktos" ) )
133 val.psz_string = (char*)"galaktos"; text.psz_string = (char*)"GaLaktos";
134 var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
137 /* Look for libprojectM plugin */
138 if( module_exists( "projectm" ) )
140 val.psz_string = (char*)"projectm"; text.psz_string = (char*)"projectM";
141 var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
144 if( var_Get( p_aout, "effect-list", &val ) == VLC_SUCCESS )
146 var_SetString( p_aout, "visual", val.psz_string );
147 free( val.psz_string );
149 var_AddCallback( p_aout, "visual", VisualizationCallback, NULL );
152 if( var_Type( p_aout, "equalizer" ) == 0 )
154 module_config_t *p_config;
157 p_config = config_FindConfig( VLC_OBJECT(p_aout), "equalizer-preset" );
158 if( p_config && p_config->i_list )
160 var_Create( p_aout, "equalizer",
161 VLC_VAR_STRING | VLC_VAR_HASCHOICE );
162 text.psz_string = _("Equalizer");
163 var_Change( p_aout, "equalizer", VLC_VAR_SETTEXT, &text, NULL );
165 val.psz_string = (char*)""; text.psz_string = _("Disable");
166 var_Change( p_aout, "equalizer", VLC_VAR_ADDCHOICE, &val, &text );
168 for( i = 0; i < p_config->i_list; i++ )
170 val.psz_string = (char *)p_config->ppsz_list[i];
171 text.psz_string = (char *)p_config->ppsz_list_text[i];
172 var_Change( p_aout, "equalizer", VLC_VAR_ADDCHOICE,
176 var_AddCallback( p_aout, "equalizer", EqualizerCallback, NULL );
180 if( var_Type( p_aout, "audio-filter" ) == 0 )
182 var_Create( p_aout, "audio-filter",
183 VLC_VAR_STRING | VLC_VAR_DOINHERIT );
184 text.psz_string = _("Audio filters");
185 var_Change( p_aout, "audio-filter", VLC_VAR_SETTEXT, &text, NULL );
187 if( var_Type( p_aout, "audio-visual" ) == 0 )
189 var_Create( p_aout, "audio-visual",
190 VLC_VAR_STRING | VLC_VAR_DOINHERIT );
191 text.psz_string = _("Audio visualizations");
192 var_Change( p_aout, "audio-visual", VLC_VAR_SETTEXT, &text, NULL );
195 if( var_Type( p_aout, "audio-replay-gain-mode" ) == 0 )
197 module_config_t *p_config;
200 p_config = config_FindConfig( VLC_OBJECT(p_aout), "audio-replay-gain-mode" );
201 if( p_config && p_config->i_list )
203 var_Create( p_aout, "audio-replay-gain-mode",
204 VLC_VAR_STRING | VLC_VAR_DOINHERIT );
206 text.psz_string = _("Replay gain");
207 var_Change( p_aout, "audio-replay-gain-mode", VLC_VAR_SETTEXT, &text, NULL );
209 for( i = 0; i < p_config->i_list; i++ )
211 val.psz_string = (char *)p_config->ppsz_list[i];
212 text.psz_string = (char *)p_config->ppsz_list_text[i];
213 var_Change( p_aout, "audio-replay-gain-mode", VLC_VAR_ADDCHOICE,
217 var_AddCallback( p_aout, "audio-replay-gain-mode", ReplayGainCallback, NULL );
220 if( var_Type( p_aout, "audio-replay-gain-preamp" ) == 0 )
222 var_Create( p_aout, "audio-replay-gain-preamp",
223 VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
225 if( var_Type( p_aout, "audio-replay-gain-default" ) == 0 )
227 var_Create( p_aout, "audio-replay-gain-default",
228 VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
230 if( var_Type( p_aout, "audio-replay-gain-peak-protection" ) == 0 )
232 var_Create( p_aout, "audio-replay-gain-peak-protection",
233 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
235 if( var_Type( p_aout, "audio-time-stretch" ) == 0 )
237 var_Create( p_aout, "audio-time-stretch",
238 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
241 psz_filters = var_GetString( p_aout, "audio-filter" );
242 psz_visual = var_GetString( p_aout, "audio-visual");
243 psz_scaletempo = var_GetBool( p_aout, "audio-time-stretch" ) ? strdup( "scaletempo" ) : NULL;
245 p_input->b_recycle_vout = psz_visual && *psz_visual;
247 /* parse user filter lists */
248 char *const ppsz_array[] = { psz_scaletempo, psz_filters, psz_visual };
249 p_input->p_playback_rate_filter = NULL;
251 for( i_visual = 0; i_visual < 3 && !AOUT_FMT_NON_LINEAR(&chain_output_format); i_visual++ )
253 char *psz_next = NULL;
254 char *psz_parser = ppsz_array[i_visual];
256 if( psz_parser == NULL || !*psz_parser )
259 while( psz_parser && *psz_parser )
261 aout_filter_t * p_filter = NULL;
263 if( p_input->i_nb_filters >= AOUT_MAX_FILTERS )
265 msg_Dbg( p_aout, "max filters reached (%d)", AOUT_MAX_FILTERS );
269 while( *psz_parser == ' ' && *psz_parser == ':' )
273 if( ( psz_next = strchr( psz_parser , ':' ) ) )
277 if( *psz_parser =='\0' )
282 /* Create a VLC object */
283 static const char typename[] = "audio filter";
284 p_filter = vlc_custom_create( p_aout, sizeof(*p_filter),
285 VLC_OBJECT_GENERIC, typename );
286 if( p_filter == NULL )
288 msg_Err( p_aout, "cannot add user filter %s (skipped)",
290 psz_parser = psz_next;
294 vlc_object_set_name( p_filter, psz_parser );
295 vlc_object_attach( p_filter , p_aout );
297 p_filter->request_vout.pf_request_vout = RequestVoutFromFilter;
298 p_filter->request_vout.p_private = p_input;
300 p_filter->p_owner = malloc( sizeof(*p_filter->p_owner) );
301 p_filter->p_owner->p_aout = p_aout;
302 p_filter->p_owner->p_input = p_input;
305 memcpy( &p_filter->input, &chain_output_format,
306 sizeof(audio_sample_format_t) );
307 memcpy( &p_filter->output, &chain_output_format,
308 sizeof(audio_sample_format_t) );
311 /* try to find the requested filter */
312 if( i_visual == 2 ) /* this can only be a visualization module */
314 p_filter->p_module = module_need( p_filter, "visualization",
317 else /* this can be a audio filter module as well as a visualization module */
319 p_filter->p_module = module_need( p_filter, "audio filter",
322 if ( p_filter->p_module == NULL )
324 /* if the filter requested a special format, retry */
325 if ( !( AOUT_FMTS_IDENTICAL( &p_filter->input,
326 &chain_input_format )
327 && AOUT_FMTS_IDENTICAL( &p_filter->output,
328 &chain_output_format ) ) )
330 aout_FormatPrepare( &p_filter->input );
331 aout_FormatPrepare( &p_filter->output );
332 p_filter->p_module = module_need( p_filter,
336 /* try visual filters */
339 memcpy( &p_filter->input, &chain_output_format,
340 sizeof(audio_sample_format_t) );
341 memcpy( &p_filter->output, &chain_output_format,
342 sizeof(audio_sample_format_t) );
343 p_filter->p_module = module_need( p_filter,
351 if ( p_filter->p_module == NULL )
353 msg_Err( p_aout, "cannot add user filter %s (skipped)",
356 free( p_filter->p_owner );
357 vlc_object_detach( p_filter );
358 vlc_object_release( p_filter );
360 psz_parser = psz_next;
364 /* complete the filter chain if necessary */
365 if ( !AOUT_FMTS_IDENTICAL( &chain_input_format, &p_filter->input ) )
367 if ( aout_FiltersCreatePipeline( p_aout, p_input->pp_filters,
368 &p_input->i_nb_filters,
370 &p_filter->input ) < 0 )
372 msg_Err( p_aout, "cannot add user filter %s (skipped)",
375 module_unneed( p_filter, p_filter->p_module );
376 free( p_filter->p_owner );
377 vlc_object_detach( p_filter );
378 vlc_object_release( p_filter );
380 psz_parser = psz_next;
386 p_filter->b_continuity = false;
387 p_input->pp_filters[p_input->i_nb_filters++] = p_filter;
388 memcpy( &chain_input_format, &p_filter->output,
389 sizeof( audio_sample_format_t ) );
391 if( i_visual == 0 ) /* scaletempo */
392 p_input->p_playback_rate_filter = p_filter;
394 /* next filter if any */
395 psz_parser = psz_next;
400 free( psz_scaletempo );
402 /* complete the filter chain if necessary */
403 if ( !AOUT_FMTS_IDENTICAL( &chain_input_format, &chain_output_format ) )
405 if ( aout_FiltersCreatePipeline( p_aout, p_input->pp_filters,
406 &p_input->i_nb_filters,
408 &chain_output_format ) < 0 )
410 inputFailure( p_aout, p_input, "couldn't set an input pipeline" );
415 /* Prepare hints for the buffer allocator. */
416 p_input->input_alloc.i_alloc_type = AOUT_ALLOC_HEAP;
417 p_input->input_alloc.i_bytes_per_sec = -1;
419 /* Create resamplers. */
420 if ( !AOUT_FMT_NON_LINEAR( &p_aout->p_mixer->fmt ) )
422 chain_output_format.i_rate = (__MAX(p_input->input.i_rate,
423 p_aout->p_mixer->fmt.i_rate)
424 * (100 + AOUT_MAX_RESAMPLING)) / 100;
425 if ( chain_output_format.i_rate == p_aout->p_mixer->fmt.i_rate )
427 /* Just in case... */
428 chain_output_format.i_rate++;
430 if ( aout_FiltersCreatePipeline( p_aout, p_input->pp_resamplers,
431 &p_input->i_nb_resamplers,
432 &chain_output_format,
433 &p_aout->p_mixer->fmt ) < 0 )
435 inputFailure( p_aout, p_input, "couldn't set a resampler pipeline");
439 aout_FiltersHintBuffers( p_aout, p_input->pp_resamplers,
440 p_input->i_nb_resamplers,
441 &p_input->input_alloc );
442 p_input->input_alloc.i_alloc_type = AOUT_ALLOC_HEAP;
444 /* Setup the initial rate of the resampler */
445 p_input->pp_resamplers[0]->input.i_rate = p_input->input.i_rate;
447 p_input->i_resampling_type = AOUT_RESAMPLING_NONE;
449 if( ! p_input->p_playback_rate_filter && p_input->i_nb_resamplers > 0 )
451 p_input->p_playback_rate_filter = p_input->pp_resamplers[0];
454 aout_FiltersHintBuffers( p_aout, p_input->pp_filters,
455 p_input->i_nb_filters,
456 &p_input->input_alloc );
457 p_input->input_alloc.i_alloc_type = AOUT_ALLOC_HEAP;
459 /* i_bytes_per_sec is still == -1 if no filters */
460 p_input->input_alloc.i_bytes_per_sec = __MAX(
461 p_input->input_alloc.i_bytes_per_sec,
462 (int)(p_input->input.i_bytes_per_frame
463 * p_input->input.i_rate
464 / p_input->input.i_frame_length) );
466 ReplayGainSelect( p_aout, p_input );
469 p_input->b_error = false;
470 p_input->b_restart = false;
471 p_input->i_last_input_rate = INPUT_RATE_DEFAULT;
476 /*****************************************************************************
477 * aout_InputDelete : delete an input
478 *****************************************************************************
479 * This function must be entered with the mixer lock.
480 *****************************************************************************/
481 int aout_InputDelete( aout_instance_t * p_aout, aout_input_t * p_input )
483 AOUT_ASSERT_MIXER_LOCKED;
484 if ( p_input->b_error )
487 /* XXX We need to update b_recycle_vout before calling aout_FiltersDestroyPipeline.
488 * FIXME They can be a race condition if audio-visual is updated between
489 * aout_InputDelete and aout_InputNew.
491 char *psz_visual = var_GetString( p_aout, "audio-visual");
492 p_input->b_recycle_vout = psz_visual && *psz_visual;
495 aout_FiltersDestroyPipeline( p_aout, p_input->pp_filters,
496 p_input->i_nb_filters );
497 p_input->i_nb_filters = 0;
498 aout_FiltersDestroyPipeline( p_aout, p_input->pp_resamplers,
499 p_input->i_nb_resamplers );
500 p_input->i_nb_resamplers = 0;
501 aout_FifoDestroy( p_aout, &p_input->mixer.fifo );
506 /*****************************************************************************
507 * aout_InputPlay : play a buffer
508 *****************************************************************************
509 * This function must be entered with the input lock.
510 *****************************************************************************/
511 /* XXX Do not activate it !! */
512 //#define AOUT_PROCESS_BEFORE_CHEKS
513 int aout_InputPlay( aout_instance_t * p_aout, aout_input_t * p_input,
514 aout_buffer_t * p_buffer, int i_input_rate )
517 AOUT_ASSERT_INPUT_LOCKED;
519 if( p_input->b_restart )
522 uint8_t *p_first_byte_to_mix;
524 mtime_t i_pause_date;
526 aout_lock_mixer( p_aout );
527 aout_lock_input_fifos( p_aout );
529 /* A little trick to avoid loosing our input fifo and properties */
531 p_first_byte_to_mix = p_input->mixer.begin;
532 fifo = p_input->mixer.fifo;
533 b_paused = p_input->b_paused;
534 i_pause_date = p_input->i_pause_date;
536 aout_FifoInit( p_aout, &p_input->mixer.fifo, p_aout->p_mixer->fmt.i_rate );
538 aout_InputDelete( p_aout, p_input );
540 aout_InputNew( p_aout, p_input, &p_input->request_vout );
541 p_input->mixer.begin = p_first_byte_to_mix;
542 p_input->mixer.fifo = fifo;
543 p_input->b_paused = b_paused;
544 p_input->i_pause_date = i_pause_date;
546 aout_unlock_input_fifos( p_aout );
547 aout_unlock_mixer( p_aout );
550 if( i_input_rate != INPUT_RATE_DEFAULT && p_input->p_playback_rate_filter == NULL )
552 inputDrop( p_input, p_buffer );
556 #ifdef AOUT_PROCESS_BEFORE_CHEKS
557 /* Run pre-filters. */
558 aout_FiltersPlay( p_aout, p_input->pp_filters, p_input->i_nb_filters,
561 /* Actually run the resampler now. */
562 if ( p_input->i_nb_resamplers > 0 )
564 const mtime_t i_date = p_buffer->start_date;
565 aout_FiltersPlay( p_aout, p_input->pp_resamplers,
566 p_input->i_nb_resamplers,
570 if( p_buffer->i_nb_samples <= 0 )
572 aout_BufferFree( p_buffer );
577 /* Handle input rate change, but keep drift correction */
578 if( i_input_rate != p_input->i_last_input_rate )
580 unsigned int * const pi_rate = &p_input->p_playback_rate_filter->input.i_rate;
581 #define F(r,ir) ( INPUT_RATE_DEFAULT * (r) / (ir) )
582 const int i_delta = *pi_rate - F(p_input->input.i_rate,p_input->i_last_input_rate);
583 *pi_rate = F(p_input->input.i_rate + i_delta, i_input_rate);
585 p_input->i_last_input_rate = i_input_rate;
588 /* We don't care if someone changes the start date behind our back after
589 * this. We'll deal with that when pushing the buffer, and compensate
590 * with the next incoming buffer. */
591 aout_lock_input_fifos( p_aout );
592 start_date = aout_FifoNextStart( p_aout, &p_input->mixer.fifo );
593 aout_unlock_input_fifos( p_aout );
595 if ( start_date != 0 && start_date < mdate() )
597 /* The decoder is _very_ late. This can only happen if the user
598 * pauses the stream (or if the decoder is buggy, which cannot
600 msg_Warn( p_aout, "computed PTS is out of range (%"PRId64"), "
601 "clearing out", mdate() - start_date );
602 aout_lock_input_fifos( p_aout );
603 aout_FifoSet( p_aout, &p_input->mixer.fifo, 0 );
604 p_input->mixer.begin = NULL;
605 aout_unlock_input_fifos( p_aout );
606 if ( p_input->i_resampling_type != AOUT_RESAMPLING_NONE )
607 msg_Warn( p_aout, "timing screwed, stopping resampling" );
608 inputResamplingStop( p_input );
612 if ( p_buffer->start_date < mdate() + AOUT_MIN_PREPARE_TIME )
614 /* The decoder gives us f*cked up PTS. It's its business, but we
615 * can't present it anyway, so drop the buffer. */
616 msg_Warn( p_aout, "PTS is out of range (%"PRId64"), dropping buffer",
617 mdate() - p_buffer->start_date );
619 inputDrop( p_input, p_buffer );
620 inputResamplingStop( p_input );
624 /* If the audio drift is too big then it's not worth trying to resample
626 mtime_t i_pts_tolerance = 3 * AOUT_PTS_TOLERANCE * i_input_rate / INPUT_RATE_DEFAULT;
627 if ( start_date != 0 &&
628 ( start_date < p_buffer->start_date - i_pts_tolerance ) )
630 msg_Warn( p_aout, "audio drift is too big (%"PRId64"), clearing out",
631 start_date - p_buffer->start_date );
632 aout_lock_input_fifos( p_aout );
633 aout_FifoSet( p_aout, &p_input->mixer.fifo, 0 );
634 p_input->mixer.begin = NULL;
635 aout_unlock_input_fifos( p_aout );
636 if ( p_input->i_resampling_type != AOUT_RESAMPLING_NONE )
637 msg_Warn( p_aout, "timing screwed, stopping resampling" );
638 inputResamplingStop( p_input );
641 else if ( start_date != 0 &&
642 ( start_date > p_buffer->start_date + i_pts_tolerance) )
644 msg_Warn( p_aout, "audio drift is too big (%"PRId64"), dropping buffer",
645 start_date - p_buffer->start_date );
646 inputDrop( p_input, p_buffer );
650 if ( start_date == 0 ) start_date = p_buffer->start_date;
652 #ifndef AOUT_PROCESS_BEFORE_CHEKS
653 /* Run pre-filters. */
654 aout_FiltersPlay( p_aout, p_input->pp_filters, p_input->i_nb_filters,
658 /* Run the resampler if needed.
659 * We first need to calculate the output rate of this resampler. */
660 if ( ( p_input->i_resampling_type == AOUT_RESAMPLING_NONE ) &&
661 ( start_date < p_buffer->start_date - AOUT_PTS_TOLERANCE
662 || start_date > p_buffer->start_date + AOUT_PTS_TOLERANCE ) &&
663 p_input->i_nb_resamplers > 0 )
665 /* Can happen in several circumstances :
666 * 1. A problem at the input (clock drift)
667 * 2. A small pause triggered by the user
668 * 3. Some delay in the output stage, causing a loss of lip
670 * Solution : resample the buffer to avoid a scratch.
672 mtime_t drift = p_buffer->start_date - start_date;
674 p_input->i_resamp_start_date = mdate();
675 p_input->i_resamp_start_drift = (int)drift;
678 p_input->i_resampling_type = AOUT_RESAMPLING_DOWN;
680 p_input->i_resampling_type = AOUT_RESAMPLING_UP;
682 msg_Warn( p_aout, "buffer is %"PRId64" %s, triggering %ssampling",
683 drift > 0 ? drift : -drift,
684 drift > 0 ? "in advance" : "late",
685 drift > 0 ? "down" : "up");
688 if ( p_input->i_resampling_type != AOUT_RESAMPLING_NONE )
690 /* Resampling has been triggered previously (because of dates
691 * mismatch). We want the resampling to happen progressively so
692 * it isn't too audible to the listener. */
694 if( p_input->i_resampling_type == AOUT_RESAMPLING_UP )
696 p_input->pp_resamplers[0]->input.i_rate += 2; /* Hz */
700 p_input->pp_resamplers[0]->input.i_rate -= 2; /* Hz */
703 /* Check if everything is back to normal, in which case we can stop the
705 unsigned int i_nominal_rate =
706 (p_input->pp_resamplers[0] == p_input->p_playback_rate_filter)
707 ? INPUT_RATE_DEFAULT * p_input->input.i_rate / i_input_rate
708 : p_input->input.i_rate;
709 if( p_input->pp_resamplers[0]->input.i_rate == i_nominal_rate )
711 p_input->i_resampling_type = AOUT_RESAMPLING_NONE;
712 msg_Warn( p_aout, "resampling stopped after %"PRIi64" usec "
713 "(drift: %"PRIi64")",
714 mdate() - p_input->i_resamp_start_date,
715 p_buffer->start_date - start_date);
717 else if( abs( (int)(p_buffer->start_date - start_date) ) <
718 abs( p_input->i_resamp_start_drift ) / 2 )
720 /* if we reduced the drift from half, then it is time to switch
721 * back the resampling direction. */
722 if( p_input->i_resampling_type == AOUT_RESAMPLING_UP )
723 p_input->i_resampling_type = AOUT_RESAMPLING_DOWN;
725 p_input->i_resampling_type = AOUT_RESAMPLING_UP;
726 p_input->i_resamp_start_drift = 0;
728 else if( p_input->i_resamp_start_drift &&
729 ( abs( (int)(p_buffer->start_date - start_date) ) >
730 abs( p_input->i_resamp_start_drift ) * 3 / 2 ) )
732 /* If the drift is increasing and not decreasing, than something
733 * is bad. We'd better stop the resampling right now. */
734 msg_Warn( p_aout, "timing screwed, stopping resampling" );
735 inputResamplingStop( p_input );
739 #ifndef AOUT_PROCESS_BEFORE_CHEKS
740 /* Actually run the resampler now. */
741 if ( p_input->i_nb_resamplers > 0 )
743 aout_FiltersPlay( p_aout, p_input->pp_resamplers,
744 p_input->i_nb_resamplers,
748 if( p_buffer->i_nb_samples <= 0 )
750 aout_BufferFree( p_buffer );
755 /* Adding the start date will be managed by aout_FifoPush(). */
756 p_buffer->end_date = start_date +
757 (p_buffer->end_date - p_buffer->start_date);
758 p_buffer->start_date = start_date;
760 aout_lock_input_fifos( p_aout );
761 aout_FifoPush( p_aout, &p_input->mixer.fifo, p_buffer );
762 aout_unlock_input_fifos( p_aout );
766 /*****************************************************************************
768 *****************************************************************************/
770 static void inputFailure( aout_instance_t * p_aout, aout_input_t * p_input,
771 const char * psz_error_message )
774 msg_Err( p_aout, "%s", psz_error_message );
777 aout_FiltersDestroyPipeline( p_aout, p_input->pp_filters,
778 p_input->i_nb_filters );
779 aout_FiltersDestroyPipeline( p_aout, p_input->pp_resamplers,
780 p_input->i_nb_resamplers );
781 aout_FifoDestroy( p_aout, &p_input->mixer.fifo );
782 var_Destroy( p_aout, "visual" );
783 var_Destroy( p_aout, "equalizer" );
784 var_Destroy( p_aout, "audio-filter" );
785 var_Destroy( p_aout, "audio-visual" );
787 var_Destroy( p_aout, "audio-replay-gain-mode" );
788 var_Destroy( p_aout, "audio-replay-gain-default" );
789 var_Destroy( p_aout, "audio-replay-gain-preamp" );
790 var_Destroy( p_aout, "audio-replay-gain-peak-protection" );
793 p_input->b_error = 1;
796 static void inputDrop( aout_input_t *p_input, aout_buffer_t *p_buffer )
798 aout_BufferFree( p_buffer );
800 p_input->i_buffer_lost++;
803 static void inputResamplingStop( aout_input_t *p_input )
805 p_input->i_resampling_type = AOUT_RESAMPLING_NONE;
806 if( p_input->i_nb_resamplers != 0 )
808 p_input->pp_resamplers[0]->input.i_rate =
809 ( p_input->pp_resamplers[0] == p_input->p_playback_rate_filter )
810 ? INPUT_RATE_DEFAULT * p_input->input.i_rate / p_input->i_last_input_rate
811 : p_input->input.i_rate;
812 p_input->pp_resamplers[0]->b_continuity = false;
816 static vout_thread_t *RequestVout( void *p_private,
817 vout_thread_t *p_vout, video_format_t *p_fmt, bool b_recycle )
819 aout_instance_t *p_aout = p_private;
820 VLC_UNUSED(b_recycle);
821 return vout_Request( p_aout, p_vout, p_fmt );
824 static vout_thread_t *RequestVoutFromFilter( void *p_private,
825 vout_thread_t *p_vout, video_format_t *p_fmt, bool b_recycle )
827 aout_input_t *p_input = p_private;
828 aout_request_vout_t *p_request = &p_input->request_vout;
830 return p_request->pf_request_vout( p_request->p_private,
831 p_vout, p_fmt, p_input->b_recycle_vout && b_recycle );
834 static int ChangeFiltersString( aout_instance_t * p_aout, const char* psz_variable,
835 const char *psz_name, bool b_add )
837 return AoutChangeFilterString( VLC_OBJECT(p_aout), p_aout,
838 psz_variable, psz_name, b_add ) ? 1 : 0;
841 static int VisualizationCallback( vlc_object_t *p_this, char const *psz_cmd,
842 vlc_value_t oldval, vlc_value_t newval, void *p_data )
844 aout_instance_t *p_aout = (aout_instance_t *)p_this;
845 char *psz_mode = newval.psz_string;
846 (void)psz_cmd; (void)oldval; (void)p_data;
848 if( !psz_mode || !*psz_mode )
850 ChangeFiltersString( p_aout, "audio-visual", "goom", false );
851 ChangeFiltersString( p_aout, "audio-visual", "visual", false );
852 ChangeFiltersString( p_aout, "audio-visual", "galaktos", false );
853 ChangeFiltersString( p_aout, "audio-visual", "projectm", false );
857 if( !strcmp( "goom", psz_mode ) )
859 ChangeFiltersString( p_aout, "audio-visual", "visual", false );
860 ChangeFiltersString( p_aout, "audio-visual", "goom", true );
861 ChangeFiltersString( p_aout, "audio-visual", "galaktos", false );
862 ChangeFiltersString( p_aout, "audio-visual", "projectm", false );
864 else if( !strcmp( "galaktos", psz_mode ) )
866 ChangeFiltersString( p_aout, "audio-visual", "visual", false );
867 ChangeFiltersString( p_aout, "audio-visual", "goom", false );
868 ChangeFiltersString( p_aout, "audio-visual", "galaktos", true );
870 else if( !strcmp( "projectm", psz_mode ) )
872 ChangeFiltersString( p_aout, "audio-visual", "visual", false );
873 ChangeFiltersString( p_aout, "audio-visual", "goom", false );
874 ChangeFiltersString( p_aout, "audio-visual", "galaktos", false );
875 ChangeFiltersString( p_aout, "audio-visual", "projectm", true );
879 var_Create( p_aout, "effect-list", VLC_VAR_STRING );
880 var_SetString( p_aout, "effect-list", psz_mode );
882 ChangeFiltersString( p_aout, "audio-visual", "goom", false );
883 ChangeFiltersString( p_aout, "audio-visual", "visual", true );
884 ChangeFiltersString( p_aout, "audio-visual", "galaktos", false );
885 ChangeFiltersString( p_aout, "audio-visual", "projectm", false );
890 AoutInputsMarkToRestart( p_aout );
895 static int EqualizerCallback( vlc_object_t *p_this, char const *psz_cmd,
896 vlc_value_t oldval, vlc_value_t newval, void *p_data )
898 aout_instance_t *p_aout = (aout_instance_t *)p_this;
899 char *psz_mode = newval.psz_string;
901 (void)psz_cmd; (void)oldval; (void)p_data;
903 if( !psz_mode || !*psz_mode )
905 i_ret = ChangeFiltersString( p_aout, "audio-filter", "equalizer",
910 var_Create( p_aout, "equalizer-preset", VLC_VAR_STRING );
911 var_SetString( p_aout, "equalizer-preset", psz_mode );
912 i_ret = ChangeFiltersString( p_aout, "audio-filter", "equalizer",
918 AoutInputsMarkToRestart( p_aout );
922 static int ReplayGainCallback( vlc_object_t *p_this, char const *psz_cmd,
923 vlc_value_t oldval, vlc_value_t newval, void *p_data )
925 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
926 VLC_UNUSED(newval); VLC_UNUSED(p_data);
927 aout_instance_t *p_aout = (aout_instance_t *)p_this;
930 aout_lock_mixer( p_aout );
931 for( i = 0; i < p_aout->i_nb_inputs; i++ )
932 ReplayGainSelect( p_aout, p_aout->pp_inputs[i] );
934 /* Restart the mixer (a trivial mixer may be in use) */
935 if( p_aout->p_mixer )
936 aout_MixerMultiplierSet( p_aout, p_aout->mixer_multiplier );
937 aout_unlock_mixer( p_aout );
942 static void ReplayGainSelect( aout_instance_t *p_aout, aout_input_t *p_input )
944 char *psz_replay_gain = var_GetNonEmptyString( p_aout,
945 "audio-replay-gain-mode" );
950 p_input->mixer.multiplier = 1.0;
952 if( !psz_replay_gain )
955 /* Find select mode */
956 if( !strcmp( psz_replay_gain, "track" ) )
957 i_mode = AUDIO_REPLAY_GAIN_TRACK;
958 else if( !strcmp( psz_replay_gain, "album" ) )
959 i_mode = AUDIO_REPLAY_GAIN_ALBUM;
961 i_mode = AUDIO_REPLAY_GAIN_MAX;
963 /* If the select mode is not available, prefer the other one */
965 if( i_use != AUDIO_REPLAY_GAIN_MAX && !p_input->replay_gain.pb_gain[i_use] )
967 for( i_use = 0; i_use < AUDIO_REPLAY_GAIN_MAX; i_use++ )
969 if( p_input->replay_gain.pb_gain[i_use] )
975 if( i_use != AUDIO_REPLAY_GAIN_MAX )
976 f_gain = p_input->replay_gain.pf_gain[i_use] + var_GetFloat( p_aout, "audio-replay-gain-preamp" );
977 else if( i_mode != AUDIO_REPLAY_GAIN_MAX )
978 f_gain = var_GetFloat( p_aout, "audio-replay-gain-default" );
981 p_input->mixer.multiplier = pow( 10.0, f_gain / 20.0 );
984 if( p_input->replay_gain.pb_peak[i_use] &&
985 var_GetBool( p_aout, "audio-replay-gain-peak-protection" ) &&
986 p_input->replay_gain.pf_peak[i_use] * p_input->mixer.multiplier > 1.0 )
988 p_input->mixer.multiplier = 1.0f / p_input->replay_gain.pf_peak[i_use];
991 free( psz_replay_gain );