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 *****************************************************************************/
34 #include <vlc_common.h>
41 #include <vlc_input.h>
42 #include <vlc_vout.h> /* for vout_Request */
43 #include <vlc_modules.h>
46 #include <vlc_filter.h>
49 #include "aout_internal.h"
51 #define AOUT_ASSERT_LOCKED vlc_assert_locked( &p_aout->lock )
53 static void inputFailure( audio_output_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( audio_output_t *, aout_input_t * );
65 static vout_thread_t *RequestVout( void *,
66 vout_thread_t *, video_format_t *, bool );
68 /*****************************************************************************
69 * aout_InputNew : allocate a new input and rework the filter pipeline
70 *****************************************************************************/
71 int aout_InputNew( audio_output_t * p_aout, aout_input_t * p_input, const aout_request_vout_t *p_request_vout )
73 aout_owner_t *owner = aout_owner (p_aout);
74 audio_sample_format_t chain_input_format;
75 audio_sample_format_t chain_output_format;
76 vlc_value_t val, text;
77 char *psz_filters, *psz_visual, *psz_scaletempo;
80 aout_FormatPrint( p_aout, "input", &p_input->input );
82 p_input->i_nb_resamplers = p_input->i_nb_filters = 0;
85 aout_FifoInit (p_aout, &p_input->fifo, owner->mixer_format.i_rate);
90 p_input->request_vout = *p_request_vout;
94 p_input->request_vout.pf_request_vout = RequestVout;
95 p_input->request_vout.p_private = p_aout;
98 /* Prepare format structure */
99 chain_input_format = p_input->input;
100 chain_output_format = owner->mixer_format;
101 chain_output_format.i_rate = p_input->input.i_rate;
102 aout_FormatPrepare( &chain_output_format );
104 /* Now add user filters */
105 if( var_Type( p_aout, "visual" ) == 0 )
107 var_Create( p_aout, "visual", VLC_VAR_STRING | VLC_VAR_HASCHOICE );
108 text.psz_string = _("Visualizations");
109 var_Change( p_aout, "visual", VLC_VAR_SETTEXT, &text, NULL );
110 val.psz_string = (char*)""; text.psz_string = _("Disable");
111 var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
112 val.psz_string = (char*)"spectrometer"; text.psz_string = _("Spectrometer");
113 var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
114 val.psz_string = (char*)"scope"; text.psz_string = _("Scope");
115 var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
116 val.psz_string = (char*)"spectrum"; text.psz_string = _("Spectrum");
117 var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
118 val.psz_string = (char*)"vuMeter"; text.psz_string = _("Vu meter");
119 var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
121 /* Look for goom plugin */
122 if( module_exists( "goom" ) )
124 val.psz_string = (char*)"goom"; text.psz_string = (char*)"Goom";
125 var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
128 /* Look for libprojectM plugin */
129 if( module_exists( "projectm" ) )
131 val.psz_string = (char*)"projectm"; text.psz_string = (char*)"projectM";
132 var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
135 if( var_Get( p_aout, "effect-list", &val ) == VLC_SUCCESS )
137 var_SetString( p_aout, "visual", val.psz_string );
138 free( val.psz_string );
140 var_AddCallback( p_aout, "visual", VisualizationCallback, NULL );
143 if( var_Type( p_aout, "equalizer" ) == 0 )
145 module_config_t *p_config;
148 p_config = config_FindConfig( VLC_OBJECT(p_aout), "equalizer-preset" );
149 if( p_config && p_config->i_list )
151 var_Create( p_aout, "equalizer",
152 VLC_VAR_STRING | VLC_VAR_HASCHOICE );
153 text.psz_string = _("Equalizer");
154 var_Change( p_aout, "equalizer", VLC_VAR_SETTEXT, &text, NULL );
156 val.psz_string = (char*)""; text.psz_string = _("Disable");
157 var_Change( p_aout, "equalizer", VLC_VAR_ADDCHOICE, &val, &text );
159 for( i = 0; i < p_config->i_list; i++ )
161 val.psz_string = (char *)p_config->ppsz_list[i];
162 text.psz_string = (char *)p_config->ppsz_list_text[i];
163 var_Change( p_aout, "equalizer", VLC_VAR_ADDCHOICE,
167 var_AddCallback( p_aout, "equalizer", EqualizerCallback, NULL );
171 if( var_Type( p_aout, "audio-filter" ) == 0 )
173 var_Create( p_aout, "audio-filter",
174 VLC_VAR_STRING | VLC_VAR_DOINHERIT );
175 text.psz_string = _("Audio filters");
176 var_Change( p_aout, "audio-filter", VLC_VAR_SETTEXT, &text, NULL );
178 if( var_Type( p_aout, "audio-visual" ) == 0 )
180 var_Create( p_aout, "audio-visual",
181 VLC_VAR_STRING | VLC_VAR_DOINHERIT );
182 text.psz_string = _("Audio visualizations");
183 var_Change( p_aout, "audio-visual", VLC_VAR_SETTEXT, &text, NULL );
186 if( var_Type( p_aout, "audio-replay-gain-mode" ) == 0 )
188 module_config_t *p_config;
191 p_config = config_FindConfig( VLC_OBJECT(p_aout), "audio-replay-gain-mode" );
192 if( p_config && p_config->i_list )
194 var_Create( p_aout, "audio-replay-gain-mode",
195 VLC_VAR_STRING | VLC_VAR_DOINHERIT );
197 text.psz_string = _("Replay gain");
198 var_Change( p_aout, "audio-replay-gain-mode", VLC_VAR_SETTEXT, &text, NULL );
200 for( i = 0; i < p_config->i_list; i++ )
202 val.psz_string = (char *)p_config->ppsz_list[i];
203 text.psz_string = (char *)p_config->ppsz_list_text[i];
204 var_Change( p_aout, "audio-replay-gain-mode", VLC_VAR_ADDCHOICE,
208 var_AddCallback( p_aout, "audio-replay-gain-mode", ReplayGainCallback, NULL );
211 if( var_Type( p_aout, "audio-replay-gain-preamp" ) == 0 )
213 var_Create( p_aout, "audio-replay-gain-preamp",
214 VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
216 if( var_Type( p_aout, "audio-replay-gain-default" ) == 0 )
218 var_Create( p_aout, "audio-replay-gain-default",
219 VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
221 if( var_Type( p_aout, "audio-replay-gain-peak-protection" ) == 0 )
223 var_Create( p_aout, "audio-replay-gain-peak-protection",
224 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
227 psz_filters = var_GetString( p_aout, "audio-filter" );
228 psz_visual = var_GetString( p_aout, "audio-visual");
229 psz_scaletempo = var_InheritBool( p_aout, "audio-time-stretch" ) ? strdup( "scaletempo" ) : NULL;
231 p_input->b_recycle_vout = psz_visual && *psz_visual;
233 /* parse user filter lists */
234 char *const ppsz_array[] = { psz_scaletempo, psz_filters, psz_visual };
235 p_input->p_playback_rate_filter = NULL;
237 for( i_visual = 0; i_visual < 3 && !AOUT_FMT_NON_LINEAR(&chain_output_format); i_visual++ )
239 char *psz_next = NULL;
240 char *psz_parser = ppsz_array[i_visual];
242 if( psz_parser == NULL || !*psz_parser )
245 while( psz_parser && *psz_parser )
247 filter_t * p_filter = NULL;
249 if( p_input->i_nb_filters >= AOUT_MAX_FILTERS )
251 msg_Dbg( p_aout, "max filters reached (%d)", AOUT_MAX_FILTERS );
255 while( *psz_parser == ' ' && *psz_parser == ':' )
259 if( ( psz_next = strchr( psz_parser , ':' ) ) )
263 if( *psz_parser =='\0' )
268 /* Create a VLC object */
269 p_filter = vlc_custom_create( p_aout, sizeof(*p_filter),
271 if( p_filter == NULL )
273 msg_Err( p_aout, "cannot add user filter %s (skipped)",
275 psz_parser = psz_next;
279 p_filter->p_owner = malloc( sizeof(*p_filter->p_owner) );
280 p_filter->p_owner->p_aout = p_aout;
281 p_filter->p_owner->p_input = p_input;
284 memcpy( &p_filter->fmt_in.audio, &chain_output_format,
285 sizeof(audio_sample_format_t) );
286 p_filter->fmt_in.i_codec = chain_output_format.i_format;
287 memcpy( &p_filter->fmt_out.audio, &chain_output_format,
288 sizeof(audio_sample_format_t) );
289 p_filter->fmt_out.i_codec = chain_output_format.i_format;
290 p_filter->pf_audio_buffer_new = aout_FilterBufferNew;
292 /* try to find the requested filter */
293 if( i_visual == 2 ) /* this can only be a visualization module */
295 p_filter->p_module = module_need( p_filter, "visualization2",
298 else /* this can be a audio filter module as well as a visualization module */
300 p_filter->p_module = module_need( p_filter, "audio filter",
303 if ( p_filter->p_module == NULL )
305 /* if the filter requested a special format, retry */
306 if ( !( AOUT_FMTS_IDENTICAL( &p_filter->fmt_in.audio,
307 &chain_input_format )
308 && AOUT_FMTS_IDENTICAL( &p_filter->fmt_out.audio,
309 &chain_output_format ) ) )
311 aout_FormatPrepare( &p_filter->fmt_in.audio );
312 aout_FormatPrepare( &p_filter->fmt_out.audio );
313 p_filter->p_module = module_need( p_filter,
317 /* try visual filters */
320 memcpy( &p_filter->fmt_in.audio, &chain_output_format,
321 sizeof(audio_sample_format_t) );
322 memcpy( &p_filter->fmt_out.audio, &chain_output_format,
323 sizeof(audio_sample_format_t) );
324 p_filter->p_module = module_need( p_filter,
332 if ( p_filter->p_module == NULL )
334 msg_Err( p_aout, "cannot add user filter %s (skipped)",
337 free( p_filter->p_owner );
338 vlc_object_release( p_filter );
340 psz_parser = psz_next;
344 /* complete the filter chain if necessary */
345 if ( aout_FiltersCreatePipeline( p_aout, p_input->pp_filters,
346 &p_input->i_nb_filters,
348 &p_filter->fmt_in.audio ) < 0 )
350 msg_Err( p_aout, "cannot add user filter %s (skipped)",
353 module_unneed( p_filter, p_filter->p_module );
354 free( p_filter->p_owner );
355 vlc_object_release( p_filter );
357 psz_parser = psz_next;
362 p_input->pp_filters[p_input->i_nb_filters++] = p_filter;
363 memcpy( &chain_input_format, &p_filter->fmt_out.audio,
364 sizeof( audio_sample_format_t ) );
366 if( i_visual == 0 ) /* scaletempo */
367 p_input->p_playback_rate_filter = p_filter;
369 /* next filter if any */
370 psz_parser = psz_next;
375 free( psz_scaletempo );
377 /* complete the filter chain if necessary */
378 if ( aout_FiltersCreatePipeline( p_aout, p_input->pp_filters,
379 &p_input->i_nb_filters,
381 &chain_output_format ) < 0 )
383 inputFailure( p_aout, p_input, "couldn't set an input pipeline" );
387 /* Create resamplers. */
388 if (!AOUT_FMT_NON_LINEAR(&owner->mixer_format))
390 chain_output_format.i_rate = (__MAX(p_input->input.i_rate,
391 owner->mixer_format.i_rate)
392 * (100 + AOUT_MAX_RESAMPLING)) / 100;
393 if ( chain_output_format.i_rate == owner->mixer_format.i_rate )
395 /* Just in case... */
396 chain_output_format.i_rate++;
398 if (aout_FiltersCreatePipeline (p_aout, p_input->pp_resamplers,
399 &p_input->i_nb_resamplers,
400 &chain_output_format,
401 &owner->mixer_format) < 0)
403 inputFailure( p_aout, p_input, "couldn't set a resampler pipeline");
407 /* Setup the initial rate of the resampler */
408 p_input->pp_resamplers[0]->fmt_in.audio.i_rate = p_input->input.i_rate;
410 p_input->i_resampling_type = AOUT_RESAMPLING_NONE;
412 if( ! p_input->p_playback_rate_filter && p_input->i_nb_resamplers > 0 )
414 p_input->p_playback_rate_filter = p_input->pp_resamplers[0];
417 ReplayGainSelect( p_aout, p_input );
420 p_input->b_error = false;
421 p_input->i_last_input_rate = INPUT_RATE_DEFAULT;
426 /*****************************************************************************
427 * aout_InputDelete : delete an input
428 *****************************************************************************
429 * This function must be entered with the mixer lock.
430 *****************************************************************************/
431 int aout_InputDelete( audio_output_t * p_aout, aout_input_t * p_input )
434 if ( p_input->b_error )
437 /* XXX We need to update b_recycle_vout before calling aout_FiltersDestroyPipeline.
438 * FIXME They can be a race condition if audio-visual is updated between
439 * aout_InputDelete and aout_InputNew.
441 char *psz_visual = var_GetString( p_aout, "audio-visual");
442 p_input->b_recycle_vout = psz_visual && *psz_visual;
445 aout_FiltersDestroyPipeline( p_input->pp_filters, p_input->i_nb_filters );
446 p_input->i_nb_filters = 0;
447 aout_FiltersDestroyPipeline( p_input->pp_resamplers,
448 p_input->i_nb_resamplers );
449 p_input->i_nb_resamplers = 0;
450 aout_FifoDestroy( &p_input->fifo );
455 /*****************************************************************************
456 * aout_InputCheckAndRestart : restart an input
457 *****************************************************************************
458 * This function must be entered with the input and mixer lock.
459 *****************************************************************************/
460 void aout_InputCheckAndRestart( audio_output_t * p_aout, aout_input_t * p_input )
462 aout_owner_t *owner = aout_owner (p_aout);
465 if( !p_input->b_restart )
468 /* A little trick to avoid loosing our input fifo and properties */
470 aout_fifo_t fifo = p_input->fifo;
471 mtime_t i_pause_date = p_input->i_pause_date;
473 aout_FifoInit (p_aout, &p_input->fifo, owner->mixer_format.i_rate);
475 aout_InputDelete( p_aout, p_input );
477 aout_InputNew( p_aout, p_input, &p_input->request_vout );
478 p_input->fifo = fifo;
479 p_input->i_pause_date = i_pause_date;
481 p_input->b_restart = false;
483 /*****************************************************************************
484 * aout_InputPlay : play a buffer
485 *****************************************************************************
486 * This function must be entered with the input lock.
487 *****************************************************************************/
488 /* XXX Do not activate it !! */
489 //#define AOUT_PROCESS_BEFORE_CHEKS
490 block_t *aout_InputPlay( audio_output_t *p_aout, aout_input_t *p_input,
491 block_t *p_buffer, int i_input_rate )
496 if( i_input_rate != INPUT_RATE_DEFAULT && p_input->p_playback_rate_filter == NULL )
498 inputDrop( p_input, p_buffer );
502 #ifdef AOUT_PROCESS_BEFORE_CHEKS
503 /* Run pre-filters. */
504 aout_FiltersPlay( p_aout, p_input->pp_filters, p_input->i_nb_filters,
509 /* Actually run the resampler now. */
510 if ( p_input->i_nb_resamplers > 0 )
512 const mtime_t i_date = p_buffer->i_pts;
513 aout_FiltersPlay( p_aout, p_input->pp_resamplers,
514 p_input->i_nb_resamplers,
520 if( p_buffer->i_nb_samples <= 0 )
522 block_Release( p_buffer );
527 /* Handle input rate change, but keep drift correction */
528 if( i_input_rate != p_input->i_last_input_rate )
530 unsigned int * const pi_rate = &p_input->p_playback_rate_filter->fmt_in.audio.i_rate;
531 #define F(r,ir) ( INPUT_RATE_DEFAULT * (r) / (ir) )
532 const int i_delta = *pi_rate - F(p_input->input.i_rate,p_input->i_last_input_rate);
533 *pi_rate = F(p_input->input.i_rate + i_delta, i_input_rate);
535 p_input->i_last_input_rate = i_input_rate;
538 mtime_t now = mdate();
540 /* We don't care if someone changes the start date behind our back after
541 * this. We'll deal with that when pushing the buffer, and compensate
542 * with the next incoming buffer. */
543 start_date = aout_FifoNextStart( &p_input->fifo );
545 if ( start_date != VLC_TS_INVALID && start_date < now )
547 /* The decoder is _very_ late. This can only happen if the user
548 * pauses the stream (or if the decoder is buggy, which cannot
550 msg_Warn( p_aout, "computed PTS is out of range (%"PRId64"), "
551 "clearing out", now - start_date );
552 aout_FifoReset( &p_input->fifo );
553 aout_OutputFlush( p_aout, false );
554 if ( p_input->i_resampling_type != AOUT_RESAMPLING_NONE )
555 msg_Warn( p_aout, "timing screwed, stopping resampling" );
556 inputResamplingStop( p_input );
557 p_buffer->i_flags |= BLOCK_FLAG_DISCONTINUITY;
558 start_date = VLC_TS_INVALID;
561 if ( p_buffer->i_pts < now + AOUT_MIN_PREPARE_TIME )
563 /* The decoder gives us f*cked up PTS. It's its business, but we
564 * can't present it anyway, so drop the buffer. */
565 msg_Warn( p_aout, "PTS is out of range (%"PRId64"), dropping buffer",
566 now - p_buffer->i_pts );
567 inputDrop( p_input, p_buffer );
568 inputResamplingStop( p_input );
572 /* If the audio drift is too big then it's not worth trying to resample
574 if( start_date == VLC_TS_INVALID )
575 start_date = p_buffer->i_pts;
577 mtime_t drift = start_date - p_buffer->i_pts;
579 if( drift < -i_input_rate * 3 * AOUT_MAX_PTS_ADVANCE / INPUT_RATE_DEFAULT )
581 msg_Warn( p_aout, "buffer way too early (%"PRId64"), clearing queue",
583 aout_FifoReset( &p_input->fifo );
584 aout_OutputFlush( p_aout, false );
585 if ( p_input->i_resampling_type != AOUT_RESAMPLING_NONE )
586 msg_Warn( p_aout, "timing screwed, stopping resampling" );
587 inputResamplingStop( p_input );
588 p_buffer->i_flags |= BLOCK_FLAG_DISCONTINUITY;
589 start_date = p_buffer->i_pts;
593 if( drift > +i_input_rate * 3 * AOUT_MAX_PTS_DELAY / INPUT_RATE_DEFAULT )
595 msg_Warn( p_aout, "buffer way too late (%"PRId64"), dropping buffer",
597 inputDrop( p_input, p_buffer );
601 #ifndef AOUT_PROCESS_BEFORE_CHEKS
602 /* Run pre-filters. */
603 aout_FiltersPlay( p_input->pp_filters, p_input->i_nb_filters, &p_buffer );
608 /* Run the resampler if needed.
609 * We first need to calculate the output rate of this resampler. */
610 if ( ( p_input->i_resampling_type == AOUT_RESAMPLING_NONE ) &&
611 ( drift < -AOUT_MAX_PTS_ADVANCE || drift > +AOUT_MAX_PTS_DELAY ) &&
612 p_input->i_nb_resamplers > 0 )
614 /* Can happen in several circumstances :
615 * 1. A problem at the input (clock drift)
616 * 2. A small pause triggered by the user
617 * 3. Some delay in the output stage, causing a loss of lip
619 * Solution : resample the buffer to avoid a scratch.
621 p_input->i_resamp_start_date = now;
622 p_input->i_resamp_start_drift = (int)-drift;
623 p_input->i_resampling_type = (drift < 0) ? AOUT_RESAMPLING_DOWN
624 : AOUT_RESAMPLING_UP;
625 msg_Warn( p_aout, (drift < 0)
626 ? "buffer too early (%"PRId64"), down-sampling"
627 : "buffer too late (%"PRId64"), up-sampling", drift );
630 if ( p_input->i_resampling_type != AOUT_RESAMPLING_NONE )
632 /* Resampling has been triggered previously (because of dates
633 * mismatch). We want the resampling to happen progressively so
634 * it isn't too audible to the listener. */
636 if( p_input->i_resampling_type == AOUT_RESAMPLING_UP )
637 p_input->pp_resamplers[0]->fmt_in.audio.i_rate += 2; /* Hz */
639 p_input->pp_resamplers[0]->fmt_in.audio.i_rate -= 2; /* Hz */
641 /* Check if everything is back to normal, in which case we can stop the
643 unsigned int i_nominal_rate =
644 (p_input->pp_resamplers[0] == p_input->p_playback_rate_filter)
645 ? INPUT_RATE_DEFAULT * p_input->input.i_rate / i_input_rate
646 : p_input->input.i_rate;
647 if( p_input->pp_resamplers[0]->fmt_in.audio.i_rate == i_nominal_rate )
649 p_input->i_resampling_type = AOUT_RESAMPLING_NONE;
650 msg_Warn( p_aout, "resampling stopped after %"PRIi64" usec "
651 "(drift: %"PRIi64")",
652 now - p_input->i_resamp_start_date,
653 p_buffer->i_pts - start_date);
655 else if( abs( (int)(p_buffer->i_pts - start_date) ) <
656 abs( p_input->i_resamp_start_drift ) / 2 )
658 /* if we reduced the drift from half, then it is time to switch
659 * back the resampling direction. */
660 if( p_input->i_resampling_type == AOUT_RESAMPLING_UP )
661 p_input->i_resampling_type = AOUT_RESAMPLING_DOWN;
663 p_input->i_resampling_type = AOUT_RESAMPLING_UP;
664 p_input->i_resamp_start_drift = 0;
666 else if( p_input->i_resamp_start_drift &&
667 ( abs( (int)(p_buffer->i_pts - start_date) ) >
668 abs( p_input->i_resamp_start_drift ) * 3 / 2 ) )
670 /* If the drift is increasing and not decreasing, than something
671 * is bad. We'd better stop the resampling right now. */
672 msg_Warn( p_aout, "timing screwed, stopping resampling" );
673 inputResamplingStop( p_input );
674 p_buffer->i_flags |= BLOCK_FLAG_DISCONTINUITY;
678 #ifndef AOUT_PROCESS_BEFORE_CHEKS
679 /* Actually run the resampler now. */
680 if ( p_input->i_nb_resamplers > 0 )
682 aout_FiltersPlay( p_input->pp_resamplers, p_input->i_nb_resamplers,
688 if( p_buffer->i_nb_samples <= 0 )
690 block_Release( p_buffer );
695 /* Adding the start date will be managed by aout_FifoPush(). */
696 p_buffer->i_pts = start_date;
700 /*****************************************************************************
702 *****************************************************************************/
704 static void inputFailure( audio_output_t * p_aout, aout_input_t * p_input,
705 const char * psz_error_message )
708 msg_Err( p_aout, "%s", psz_error_message );
711 aout_FiltersDestroyPipeline( p_input->pp_filters, p_input->i_nb_filters );
712 aout_FiltersDestroyPipeline( p_input->pp_resamplers,
713 p_input->i_nb_resamplers );
714 aout_FifoDestroy( &p_input->fifo );
715 var_Destroy( p_aout, "visual" );
716 var_Destroy( p_aout, "equalizer" );
717 var_Destroy( p_aout, "audio-filter" );
718 var_Destroy( p_aout, "audio-visual" );
720 var_Destroy( p_aout, "audio-replay-gain-mode" );
721 var_Destroy( p_aout, "audio-replay-gain-default" );
722 var_Destroy( p_aout, "audio-replay-gain-preamp" );
723 var_Destroy( p_aout, "audio-replay-gain-peak-protection" );
726 p_input->b_error = 1;
729 static void inputDrop( aout_input_t *p_input, aout_buffer_t *p_buffer )
731 aout_BufferFree( p_buffer );
733 p_input->i_buffer_lost++;
736 static void inputResamplingStop( aout_input_t *p_input )
738 p_input->i_resampling_type = AOUT_RESAMPLING_NONE;
739 if( p_input->i_nb_resamplers != 0 )
741 p_input->pp_resamplers[0]->fmt_in.audio.i_rate =
742 ( p_input->pp_resamplers[0] == p_input->p_playback_rate_filter )
743 ? INPUT_RATE_DEFAULT * p_input->input.i_rate / p_input->i_last_input_rate
744 : p_input->input.i_rate;
748 static vout_thread_t *RequestVout( void *p_private,
749 vout_thread_t *p_vout, video_format_t *p_fmt, bool b_recycle )
751 audio_output_t *p_aout = p_private;
752 VLC_UNUSED(b_recycle);
753 vout_configuration_t cfg = {
760 return vout_Request( p_aout, &cfg );
763 vout_thread_t *aout_filter_RequestVout( filter_t *p_filter,
764 vout_thread_t *p_vout, video_format_t *p_fmt )
766 aout_input_t *p_input = p_filter->p_owner->p_input;
767 aout_request_vout_t *p_request = &p_input->request_vout;
769 /* XXX: this only works from audio input */
770 /* If you want to use visualization filters from another place, you will
771 * need to add a new pf_aout_request_vout callback or store a pointer
772 * to aout_request_vout_t inside filter_t (i.e. a level of indirection). */
774 return p_request->pf_request_vout( p_request->p_private,
775 p_vout, p_fmt, p_input->b_recycle_vout );
778 static int ChangeFiltersString( audio_output_t * p_aout, const char* psz_variable,
779 const char *psz_name, bool b_add )
781 return aout_ChangeFilterString( VLC_OBJECT(p_aout), p_aout,
782 psz_variable, psz_name, b_add ) ? 1 : 0;
785 static int VisualizationCallback( vlc_object_t *p_this, char const *psz_cmd,
786 vlc_value_t oldval, vlc_value_t newval, void *p_data )
788 audio_output_t *p_aout = (audio_output_t *)p_this;
789 char *psz_mode = newval.psz_string;
790 (void)psz_cmd; (void)oldval; (void)p_data;
792 if( !psz_mode || !*psz_mode )
794 ChangeFiltersString( p_aout, "audio-visual", "goom", false );
795 ChangeFiltersString( p_aout, "audio-visual", "visual", false );
796 ChangeFiltersString( p_aout, "audio-visual", "projectm", false );
800 if( !strcmp( "goom", psz_mode ) )
802 ChangeFiltersString( p_aout, "audio-visual", "visual", false );
803 ChangeFiltersString( p_aout, "audio-visual", "goom", true );
804 ChangeFiltersString( p_aout, "audio-visual", "projectm", false );
806 else if( !strcmp( "projectm", psz_mode ) )
808 ChangeFiltersString( p_aout, "audio-visual", "visual", false );
809 ChangeFiltersString( p_aout, "audio-visual", "goom", false );
810 ChangeFiltersString( p_aout, "audio-visual", "projectm", true );
814 var_Create( p_aout, "effect-list", VLC_VAR_STRING );
815 var_SetString( p_aout, "effect-list", psz_mode );
817 ChangeFiltersString( p_aout, "audio-visual", "goom", false );
818 ChangeFiltersString( p_aout, "audio-visual", "visual", true );
819 ChangeFiltersString( p_aout, "audio-visual", "projectm", false );
824 AoutInputsMarkToRestart( p_aout );
829 static int EqualizerCallback( vlc_object_t *p_this, char const *psz_cmd,
830 vlc_value_t oldval, vlc_value_t newval, void *p_data )
832 audio_output_t *p_aout = (audio_output_t *)p_this;
833 char *psz_mode = newval.psz_string;
835 (void)psz_cmd; (void)oldval; (void)p_data;
837 if( !psz_mode || !*psz_mode )
839 i_ret = ChangeFiltersString( p_aout, "audio-filter", "equalizer",
844 var_Create( p_aout, "equalizer-preset", VLC_VAR_STRING );
845 var_SetString( p_aout, "equalizer-preset", psz_mode );
846 i_ret = ChangeFiltersString( p_aout, "audio-filter", "equalizer",
852 AoutInputsMarkToRestart( p_aout );
856 static int ReplayGainCallback( vlc_object_t *p_this, char const *psz_cmd,
857 vlc_value_t oldval, vlc_value_t newval, void *p_data )
859 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
860 VLC_UNUSED(newval); VLC_UNUSED(p_data);
861 audio_output_t *aout = (audio_output_t *)p_this;
862 aout_owner_t *owner = aout_owner (aout);
865 if (owner->input != NULL)
866 ReplayGainSelect (aout, owner->input);
872 static void ReplayGainSelect( audio_output_t *p_aout, aout_input_t *p_input )
874 char *psz_replay_gain = var_GetNonEmptyString( p_aout,
875 "audio-replay-gain-mode" );
880 p_input->multiplier = 1.0;
882 if( !psz_replay_gain )
885 /* Find select mode */
886 if( !strcmp( psz_replay_gain, "track" ) )
887 i_mode = AUDIO_REPLAY_GAIN_TRACK;
888 else if( !strcmp( psz_replay_gain, "album" ) )
889 i_mode = AUDIO_REPLAY_GAIN_ALBUM;
891 i_mode = AUDIO_REPLAY_GAIN_MAX;
893 /* If the select mode is not available, prefer the other one */
895 if( i_use != AUDIO_REPLAY_GAIN_MAX && !p_input->replay_gain.pb_gain[i_use] )
897 for( i_use = 0; i_use < AUDIO_REPLAY_GAIN_MAX; i_use++ )
899 if( p_input->replay_gain.pb_gain[i_use] )
905 if( i_use != AUDIO_REPLAY_GAIN_MAX )
906 f_gain = p_input->replay_gain.pf_gain[i_use] + var_GetFloat( p_aout, "audio-replay-gain-preamp" );
907 else if( i_mode != AUDIO_REPLAY_GAIN_MAX )
908 f_gain = var_GetFloat( p_aout, "audio-replay-gain-default" );
911 p_input->multiplier = pow( 10.0, f_gain / 20.0 );
914 if( p_input->replay_gain.pb_peak[i_use] &&
915 var_GetBool( p_aout, "audio-replay-gain-peak-protection" ) &&
916 p_input->replay_gain.pf_peak[i_use] * p_input->multiplier > 1.0 )
918 p_input->multiplier = 1.0f / p_input->replay_gain.pf_peak[i_use];
921 free( psz_replay_gain );