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_MIXER_LOCKED vlc_assert_locked( &p_aout->mixer_lock )
52 #define AOUT_ASSERT_INPUT_LOCKED vlc_assert_locked( &p_input->lock )
54 static void inputFailure( aout_instance_t *, aout_input_t *, const char * );
55 static void inputDrop( aout_input_t *, aout_buffer_t * );
56 static void inputResamplingStop( aout_input_t *p_input );
58 static int VisualizationCallback( vlc_object_t *, char const *,
59 vlc_value_t, vlc_value_t, void * );
60 static int EqualizerCallback( vlc_object_t *, char const *,
61 vlc_value_t, vlc_value_t, void * );
62 static int ReplayGainCallback( vlc_object_t *, char const *,
63 vlc_value_t, vlc_value_t, void * );
64 static void ReplayGainSelect( aout_instance_t *, aout_input_t * );
66 static vout_thread_t *RequestVout( void *,
67 vout_thread_t *, video_format_t *, bool );
69 /*****************************************************************************
70 * aout_InputNew : allocate a new input and rework the filter pipeline
71 *****************************************************************************/
72 int aout_InputNew( aout_instance_t * p_aout, aout_input_t * p_input, const aout_request_vout_t *p_request_vout )
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->mixer.fifo, p_aout->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 = p_aout->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 static const char typename[] = "audio filter";
270 p_filter = vlc_custom_create( p_aout, sizeof(*p_filter),
271 VLC_OBJECT_GENERIC, typename );
272 if( p_filter == NULL )
274 msg_Err( p_aout, "cannot add user filter %s (skipped)",
276 psz_parser = psz_next;
280 p_filter->p_owner = malloc( sizeof(*p_filter->p_owner) );
281 p_filter->p_owner->p_aout = p_aout;
282 p_filter->p_owner->p_input = p_input;
285 memcpy( &p_filter->fmt_in.audio, &chain_output_format,
286 sizeof(audio_sample_format_t) );
287 p_filter->fmt_in.i_codec = chain_output_format.i_format;
288 memcpy( &p_filter->fmt_out.audio, &chain_output_format,
289 sizeof(audio_sample_format_t) );
290 p_filter->fmt_out.i_codec = chain_output_format.i_format;
291 p_filter->pf_audio_buffer_new = aout_FilterBufferNew;
293 /* try to find the requested filter */
294 if( i_visual == 2 ) /* this can only be a visualization module */
296 p_filter->p_module = module_need( p_filter, "visualization2",
299 else /* this can be a audio filter module as well as a visualization module */
301 p_filter->p_module = module_need( p_filter, "audio filter",
304 if ( p_filter->p_module == NULL )
306 /* if the filter requested a special format, retry */
307 if ( !( AOUT_FMTS_IDENTICAL( &p_filter->fmt_in.audio,
308 &chain_input_format )
309 && AOUT_FMTS_IDENTICAL( &p_filter->fmt_out.audio,
310 &chain_output_format ) ) )
312 aout_FormatPrepare( &p_filter->fmt_in.audio );
313 aout_FormatPrepare( &p_filter->fmt_out.audio );
314 p_filter->p_module = module_need( p_filter,
318 /* try visual filters */
321 memcpy( &p_filter->fmt_in.audio, &chain_output_format,
322 sizeof(audio_sample_format_t) );
323 memcpy( &p_filter->fmt_out.audio, &chain_output_format,
324 sizeof(audio_sample_format_t) );
325 p_filter->p_module = module_need( p_filter,
333 if ( p_filter->p_module == NULL )
335 msg_Err( p_aout, "cannot add user filter %s (skipped)",
338 free( p_filter->p_owner );
339 vlc_object_release( p_filter );
341 psz_parser = psz_next;
345 /* complete the filter chain if necessary */
346 if ( aout_FiltersCreatePipeline( p_aout, p_input->pp_filters,
347 &p_input->i_nb_filters,
349 &p_filter->fmt_in.audio ) < 0 )
351 msg_Err( p_aout, "cannot add user filter %s (skipped)",
354 module_unneed( p_filter, p_filter->p_module );
355 free( p_filter->p_owner );
356 vlc_object_release( p_filter );
358 psz_parser = psz_next;
363 p_input->pp_filters[p_input->i_nb_filters++] = p_filter;
364 memcpy( &chain_input_format, &p_filter->fmt_out.audio,
365 sizeof( audio_sample_format_t ) );
367 if( i_visual == 0 ) /* scaletempo */
368 p_input->p_playback_rate_filter = p_filter;
370 /* next filter if any */
371 psz_parser = psz_next;
376 free( psz_scaletempo );
378 /* complete the filter chain if necessary */
379 if ( aout_FiltersCreatePipeline( p_aout, p_input->pp_filters,
380 &p_input->i_nb_filters,
382 &chain_output_format ) < 0 )
384 inputFailure( p_aout, p_input, "couldn't set an input pipeline" );
388 /* Create resamplers. */
389 if ( !AOUT_FMT_NON_LINEAR( &p_aout->mixer_format ) )
391 chain_output_format.i_rate = (__MAX(p_input->input.i_rate,
392 p_aout->mixer_format.i_rate)
393 * (100 + AOUT_MAX_RESAMPLING)) / 100;
394 if ( chain_output_format.i_rate == p_aout->mixer_format.i_rate )
396 /* Just in case... */
397 chain_output_format.i_rate++;
399 if ( aout_FiltersCreatePipeline( p_aout, p_input->pp_resamplers,
400 &p_input->i_nb_resamplers,
401 &chain_output_format,
402 &p_aout->mixer_format ) < 0 )
404 inputFailure( p_aout, p_input, "couldn't set a resampler pipeline");
408 /* Setup the initial rate of the resampler */
409 p_input->pp_resamplers[0]->fmt_in.audio.i_rate = p_input->input.i_rate;
411 p_input->i_resampling_type = AOUT_RESAMPLING_NONE;
413 if( ! p_input->p_playback_rate_filter && p_input->i_nb_resamplers > 0 )
415 p_input->p_playback_rate_filter = p_input->pp_resamplers[0];
418 ReplayGainSelect( p_aout, p_input );
421 p_input->b_error = false;
422 p_input->i_last_input_rate = INPUT_RATE_DEFAULT;
427 /*****************************************************************************
428 * aout_InputDelete : delete an input
429 *****************************************************************************
430 * This function must be entered with the mixer lock.
431 *****************************************************************************/
432 int aout_InputDelete( aout_instance_t * p_aout, aout_input_t * p_input )
434 AOUT_ASSERT_MIXER_LOCKED;
435 if ( p_input->b_error )
438 /* XXX We need to update b_recycle_vout before calling aout_FiltersDestroyPipeline.
439 * FIXME They can be a race condition if audio-visual is updated between
440 * aout_InputDelete and aout_InputNew.
442 char *psz_visual = var_GetString( p_aout, "audio-visual");
443 p_input->b_recycle_vout = psz_visual && *psz_visual;
446 aout_FiltersDestroyPipeline( p_input->pp_filters, p_input->i_nb_filters );
447 p_input->i_nb_filters = 0;
448 aout_FiltersDestroyPipeline( p_input->pp_resamplers,
449 p_input->i_nb_resamplers );
450 p_input->i_nb_resamplers = 0;
451 aout_FifoDestroy( &p_input->mixer.fifo );
456 /*****************************************************************************
457 * aout_InputCheckAndRestart : restart an input
458 *****************************************************************************
459 * This function must be entered with the input and mixer lock.
460 *****************************************************************************/
461 void aout_InputCheckAndRestart( aout_instance_t * p_aout, aout_input_t * p_input )
463 AOUT_ASSERT_MIXER_LOCKED;
464 AOUT_ASSERT_INPUT_LOCKED;
466 if( !p_input->b_restart )
469 aout_lock_input_fifos( p_aout );
471 /* A little trick to avoid loosing our input fifo and properties */
473 aout_fifo_t fifo = p_input->mixer.fifo;
474 bool b_paused = p_input->b_paused;
475 mtime_t i_pause_date = p_input->i_pause_date;
477 aout_FifoInit( p_aout, &p_input->mixer.fifo, p_aout->mixer_format.i_rate );
479 aout_InputDelete( p_aout, p_input );
481 aout_InputNew( p_aout, p_input, &p_input->request_vout );
482 p_input->mixer.fifo = fifo;
483 p_input->b_paused = b_paused;
484 p_input->i_pause_date = i_pause_date;
486 p_input->b_restart = false;
488 aout_unlock_input_fifos( p_aout );
490 /*****************************************************************************
491 * aout_InputPlay : play a buffer
492 *****************************************************************************
493 * This function must be entered with the input lock.
494 *****************************************************************************/
495 /* XXX Do not activate it !! */
496 //#define AOUT_PROCESS_BEFORE_CHEKS
497 int aout_InputPlay( aout_instance_t * p_aout, aout_input_t * p_input,
498 aout_buffer_t * p_buffer, int i_input_rate )
501 AOUT_ASSERT_INPUT_LOCKED;
503 if( i_input_rate != INPUT_RATE_DEFAULT && p_input->p_playback_rate_filter == NULL )
505 inputDrop( p_input, p_buffer );
509 #ifdef AOUT_PROCESS_BEFORE_CHEKS
510 /* Run pre-filters. */
511 aout_FiltersPlay( p_aout, p_input->pp_filters, p_input->i_nb_filters,
516 /* Actually run the resampler now. */
517 if ( p_input->i_nb_resamplers > 0 )
519 const mtime_t i_date = p_buffer->i_pts;
520 aout_FiltersPlay( p_aout, p_input->pp_resamplers,
521 p_input->i_nb_resamplers,
527 if( p_buffer->i_nb_samples <= 0 )
529 block_Release( p_buffer );
534 /* Handle input rate change, but keep drift correction */
535 if( i_input_rate != p_input->i_last_input_rate )
537 unsigned int * const pi_rate = &p_input->p_playback_rate_filter->fmt_in.audio.i_rate;
538 #define F(r,ir) ( INPUT_RATE_DEFAULT * (r) / (ir) )
539 const int i_delta = *pi_rate - F(p_input->input.i_rate,p_input->i_last_input_rate);
540 *pi_rate = F(p_input->input.i_rate + i_delta, i_input_rate);
542 p_input->i_last_input_rate = i_input_rate;
545 /* We don't care if someone changes the start date behind our back after
546 * this. We'll deal with that when pushing the buffer, and compensate
547 * with the next incoming buffer. */
548 aout_lock_input_fifos( p_aout );
549 start_date = aout_FifoNextStart( &p_input->mixer.fifo );
550 aout_unlock_input_fifos( p_aout );
552 mtime_t now = mdate();
553 if ( start_date != 0 && start_date < now )
555 /* The decoder is _very_ late. This can only happen if the user
556 * pauses the stream (or if the decoder is buggy, which cannot
558 msg_Warn( p_aout, "computed PTS is out of range (%"PRId64"), "
559 "clearing out", now - start_date );
560 aout_lock_input_fifos( p_aout );
561 aout_FifoSet( &p_input->mixer.fifo, 0 );
562 aout_unlock_input_fifos( p_aout );
563 if ( p_input->i_resampling_type != AOUT_RESAMPLING_NONE )
564 msg_Warn( p_aout, "timing screwed, stopping resampling" );
565 inputResamplingStop( p_input );
566 p_buffer->i_flags |= BLOCK_FLAG_DISCONTINUITY;
570 if ( p_buffer->i_pts < now + AOUT_MIN_PREPARE_TIME )
572 /* The decoder gives us f*cked up PTS. It's its business, but we
573 * can't present it anyway, so drop the buffer. */
574 msg_Warn( p_aout, "PTS is out of range (%"PRId64"), dropping buffer",
575 now - p_buffer->i_pts );
577 inputDrop( p_input, p_buffer );
578 inputResamplingStop( p_input );
582 /* If the audio drift is too big then it's not worth trying to resample
585 start_date = p_buffer->i_pts;
587 mtime_t tolerance = 3 * AOUT_PTS_TOLERANCE
588 * i_input_rate / INPUT_RATE_DEFAULT;
589 mtime_t drift = start_date - p_buffer->i_pts;
591 if( drift < -tolerance )
593 msg_Warn( p_aout, "buffer way too early (%"PRId64"), clearing queue",
595 aout_lock_input_fifos( p_aout );
596 aout_FifoSet( &p_input->mixer.fifo, 0 );
597 aout_unlock_input_fifos( p_aout );
598 if ( p_input->i_resampling_type != AOUT_RESAMPLING_NONE )
599 msg_Warn( p_aout, "timing screwed, stopping resampling" );
600 inputResamplingStop( p_input );
601 p_buffer->i_flags |= BLOCK_FLAG_DISCONTINUITY;
602 start_date = p_buffer->i_pts;
604 else if( drift > +tolerance )
606 msg_Warn( p_aout, "buffer way too late (%"PRId64"), dropping buffer",
608 inputDrop( p_input, p_buffer );
612 #ifndef AOUT_PROCESS_BEFORE_CHEKS
613 /* Run pre-filters. */
614 aout_FiltersPlay( p_input->pp_filters, p_input->i_nb_filters, &p_buffer );
619 /* Run the resampler if needed.
620 * We first need to calculate the output rate of this resampler. */
621 if ( ( p_input->i_resampling_type == AOUT_RESAMPLING_NONE ) &&
622 ( drift < -AOUT_PTS_TOLERANCE || drift > +AOUT_PTS_TOLERANCE ) &&
623 p_input->i_nb_resamplers > 0 )
625 /* Can happen in several circumstances :
626 * 1. A problem at the input (clock drift)
627 * 2. A small pause triggered by the user
628 * 3. Some delay in the output stage, causing a loss of lip
630 * Solution : resample the buffer to avoid a scratch.
632 p_input->i_resamp_start_date = now;
633 p_input->i_resamp_start_drift = (int)-drift;
634 p_input->i_resampling_type = (drift < 0) ? AOUT_RESAMPLING_DOWN
635 : AOUT_RESAMPLING_UP;
636 msg_Warn( p_aout, (drift < 0)
637 ? "buffer too early (%"PRId64"), down-sampling"
638 : "buffer too late (%"PRId64"), up-sampling", drift );
641 if ( p_input->i_resampling_type != AOUT_RESAMPLING_NONE )
643 /* Resampling has been triggered previously (because of dates
644 * mismatch). We want the resampling to happen progressively so
645 * it isn't too audible to the listener. */
647 if( p_input->i_resampling_type == AOUT_RESAMPLING_UP )
648 p_input->pp_resamplers[0]->fmt_in.audio.i_rate += 2; /* Hz */
650 p_input->pp_resamplers[0]->fmt_in.audio.i_rate -= 2; /* Hz */
652 /* Check if everything is back to normal, in which case we can stop the
654 unsigned int i_nominal_rate =
655 (p_input->pp_resamplers[0] == p_input->p_playback_rate_filter)
656 ? INPUT_RATE_DEFAULT * p_input->input.i_rate / i_input_rate
657 : p_input->input.i_rate;
658 if( p_input->pp_resamplers[0]->fmt_in.audio.i_rate == i_nominal_rate )
660 p_input->i_resampling_type = AOUT_RESAMPLING_NONE;
661 msg_Warn( p_aout, "resampling stopped after %"PRIi64" usec "
662 "(drift: %"PRIi64")",
663 now - p_input->i_resamp_start_date,
664 p_buffer->i_pts - start_date);
666 else if( abs( (int)(p_buffer->i_pts - start_date) ) <
667 abs( p_input->i_resamp_start_drift ) / 2 )
669 /* if we reduced the drift from half, then it is time to switch
670 * back the resampling direction. */
671 if( p_input->i_resampling_type == AOUT_RESAMPLING_UP )
672 p_input->i_resampling_type = AOUT_RESAMPLING_DOWN;
674 p_input->i_resampling_type = AOUT_RESAMPLING_UP;
675 p_input->i_resamp_start_drift = 0;
677 else if( p_input->i_resamp_start_drift &&
678 ( abs( (int)(p_buffer->i_pts - start_date) ) >
679 abs( p_input->i_resamp_start_drift ) * 3 / 2 ) )
681 /* If the drift is increasing and not decreasing, than something
682 * is bad. We'd better stop the resampling right now. */
683 msg_Warn( p_aout, "timing screwed, stopping resampling" );
684 inputResamplingStop( p_input );
685 p_buffer->i_flags |= BLOCK_FLAG_DISCONTINUITY;
689 #ifndef AOUT_PROCESS_BEFORE_CHEKS
690 /* Actually run the resampler now. */
691 if ( p_input->i_nb_resamplers > 0 )
693 aout_FiltersPlay( p_input->pp_resamplers, p_input->i_nb_resamplers,
699 if( p_buffer->i_nb_samples <= 0 )
701 block_Release( p_buffer );
706 /* Adding the start date will be managed by aout_FifoPush(). */
707 p_buffer->i_pts = start_date;
709 aout_lock_input_fifos( p_aout );
710 aout_FifoPush( &p_input->mixer.fifo, p_buffer );
711 aout_unlock_input_fifos( p_aout );
715 /*****************************************************************************
717 *****************************************************************************/
719 static void inputFailure( aout_instance_t * p_aout, aout_input_t * p_input,
720 const char * psz_error_message )
723 msg_Err( p_aout, "%s", psz_error_message );
726 aout_FiltersDestroyPipeline( p_input->pp_filters, p_input->i_nb_filters );
727 aout_FiltersDestroyPipeline( p_input->pp_resamplers,
728 p_input->i_nb_resamplers );
729 aout_FifoDestroy( &p_input->mixer.fifo );
730 var_Destroy( p_aout, "visual" );
731 var_Destroy( p_aout, "equalizer" );
732 var_Destroy( p_aout, "audio-filter" );
733 var_Destroy( p_aout, "audio-visual" );
735 var_Destroy( p_aout, "audio-replay-gain-mode" );
736 var_Destroy( p_aout, "audio-replay-gain-default" );
737 var_Destroy( p_aout, "audio-replay-gain-preamp" );
738 var_Destroy( p_aout, "audio-replay-gain-peak-protection" );
741 p_input->b_error = 1;
744 static void inputDrop( aout_input_t *p_input, aout_buffer_t *p_buffer )
746 aout_BufferFree( p_buffer );
748 p_input->i_buffer_lost++;
751 static void inputResamplingStop( aout_input_t *p_input )
753 p_input->i_resampling_type = AOUT_RESAMPLING_NONE;
754 if( p_input->i_nb_resamplers != 0 )
756 p_input->pp_resamplers[0]->fmt_in.audio.i_rate =
757 ( p_input->pp_resamplers[0] == p_input->p_playback_rate_filter )
758 ? INPUT_RATE_DEFAULT * p_input->input.i_rate / p_input->i_last_input_rate
759 : p_input->input.i_rate;
763 static vout_thread_t *RequestVout( void *p_private,
764 vout_thread_t *p_vout, video_format_t *p_fmt, bool b_recycle )
766 aout_instance_t *p_aout = p_private;
767 VLC_UNUSED(b_recycle);
768 vout_configuration_t cfg = {
775 return vout_Request( p_aout, &cfg );
778 vout_thread_t *aout_filter_RequestVout( filter_t *p_filter,
779 vout_thread_t *p_vout, video_format_t *p_fmt )
781 aout_input_t *p_input = p_filter->p_owner->p_input;
782 aout_request_vout_t *p_request = &p_input->request_vout;
784 /* XXX: this only works from audio input */
785 /* If you want to use visualization filters from another place, you will
786 * need to add a new pf_aout_request_vout callback or store a pointer
787 * to aout_request_vout_t inside filter_t (i.e. a level of indirection). */
789 return p_request->pf_request_vout( p_request->p_private,
790 p_vout, p_fmt, p_input->b_recycle_vout );
793 static int ChangeFiltersString( aout_instance_t * p_aout, const char* psz_variable,
794 const char *psz_name, bool b_add )
796 return aout_ChangeFilterString( VLC_OBJECT(p_aout), p_aout,
797 psz_variable, psz_name, b_add ) ? 1 : 0;
800 static int VisualizationCallback( vlc_object_t *p_this, char const *psz_cmd,
801 vlc_value_t oldval, vlc_value_t newval, void *p_data )
803 aout_instance_t *p_aout = (aout_instance_t *)p_this;
804 char *psz_mode = newval.psz_string;
805 (void)psz_cmd; (void)oldval; (void)p_data;
807 if( !psz_mode || !*psz_mode )
809 ChangeFiltersString( p_aout, "audio-visual", "goom", false );
810 ChangeFiltersString( p_aout, "audio-visual", "visual", false );
811 ChangeFiltersString( p_aout, "audio-visual", "projectm", false );
815 if( !strcmp( "goom", psz_mode ) )
817 ChangeFiltersString( p_aout, "audio-visual", "visual", false );
818 ChangeFiltersString( p_aout, "audio-visual", "goom", true );
819 ChangeFiltersString( p_aout, "audio-visual", "projectm", false );
821 else if( !strcmp( "projectm", psz_mode ) )
823 ChangeFiltersString( p_aout, "audio-visual", "visual", false );
824 ChangeFiltersString( p_aout, "audio-visual", "goom", false );
825 ChangeFiltersString( p_aout, "audio-visual", "projectm", true );
829 var_Create( p_aout, "effect-list", VLC_VAR_STRING );
830 var_SetString( p_aout, "effect-list", psz_mode );
832 ChangeFiltersString( p_aout, "audio-visual", "goom", false );
833 ChangeFiltersString( p_aout, "audio-visual", "visual", true );
834 ChangeFiltersString( p_aout, "audio-visual", "projectm", false );
839 AoutInputsMarkToRestart( p_aout );
844 static int EqualizerCallback( vlc_object_t *p_this, char const *psz_cmd,
845 vlc_value_t oldval, vlc_value_t newval, void *p_data )
847 aout_instance_t *p_aout = (aout_instance_t *)p_this;
848 char *psz_mode = newval.psz_string;
850 (void)psz_cmd; (void)oldval; (void)p_data;
852 if( !psz_mode || !*psz_mode )
854 i_ret = ChangeFiltersString( p_aout, "audio-filter", "equalizer",
859 var_Create( p_aout, "equalizer-preset", VLC_VAR_STRING );
860 var_SetString( p_aout, "equalizer-preset", psz_mode );
861 i_ret = ChangeFiltersString( p_aout, "audio-filter", "equalizer",
867 AoutInputsMarkToRestart( p_aout );
871 static int ReplayGainCallback( vlc_object_t *p_this, char const *psz_cmd,
872 vlc_value_t oldval, vlc_value_t newval, void *p_data )
874 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
875 VLC_UNUSED(newval); VLC_UNUSED(p_data);
876 aout_instance_t *p_aout = (aout_instance_t *)p_this;
878 aout_lock_mixer( p_aout );
879 if( p_aout->p_input != NULL )
880 ReplayGainSelect( p_aout, p_aout->p_input );
881 aout_unlock_mixer( p_aout );
886 static void ReplayGainSelect( aout_instance_t *p_aout, aout_input_t *p_input )
888 char *psz_replay_gain = var_GetNonEmptyString( p_aout,
889 "audio-replay-gain-mode" );
894 p_input->mixer.multiplier = 1.0;
896 if( !psz_replay_gain )
899 /* Find select mode */
900 if( !strcmp( psz_replay_gain, "track" ) )
901 i_mode = AUDIO_REPLAY_GAIN_TRACK;
902 else if( !strcmp( psz_replay_gain, "album" ) )
903 i_mode = AUDIO_REPLAY_GAIN_ALBUM;
905 i_mode = AUDIO_REPLAY_GAIN_MAX;
907 /* If the select mode is not available, prefer the other one */
909 if( i_use != AUDIO_REPLAY_GAIN_MAX && !p_input->replay_gain.pb_gain[i_use] )
911 for( i_use = 0; i_use < AUDIO_REPLAY_GAIN_MAX; i_use++ )
913 if( p_input->replay_gain.pb_gain[i_use] )
919 if( i_use != AUDIO_REPLAY_GAIN_MAX )
920 f_gain = p_input->replay_gain.pf_gain[i_use] + var_GetFloat( p_aout, "audio-replay-gain-preamp" );
921 else if( i_mode != AUDIO_REPLAY_GAIN_MAX )
922 f_gain = var_GetFloat( p_aout, "audio-replay-gain-default" );
925 p_input->mixer.multiplier = pow( 10.0, f_gain / 20.0 );
928 if( p_input->replay_gain.pb_peak[i_use] &&
929 var_GetBool( p_aout, "audio-replay-gain-peak-protection" ) &&
930 p_input->replay_gain.pf_peak[i_use] * p_input->mixer.multiplier > 1.0 )
932 p_input->mixer.multiplier = 1.0f / p_input->replay_gain.pf_peak[i_use];
935 free( psz_replay_gain );