1 /*****************************************************************************
2 * decoder.c: Functions for the management of decoders
3 *****************************************************************************
4 * Copyright (C) 1999-2004 the VideoLAN team
7 * Authors: Christophe Massiot <massiot@via.ecp.fr>
8 * Gildas Bazin <gbazin@videolan.org>
9 * Laurent Aimar <fenrir@via.ecp.fr>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
24 *****************************************************************************/
26 /*****************************************************************************
28 *****************************************************************************/
34 #include <vlc_common.h>
36 #include <vlc_block.h>
40 #include <vlc_codec.h>
43 #include <vlc_interface.h>
44 #include "audio_output/aout_internal.h"
45 #include "stream_output/stream_output.h"
46 #include "input_internal.h"
50 #include "../video_output/vout_control.h"
52 static decoder_t *CreateDecoder( input_thread_t *, es_format_t *, int, sout_instance_t *p_sout );
53 static void DeleteDecoder( decoder_t * );
55 static void *DecoderThread( vlc_object_t * );
56 static int DecoderProcess( decoder_t *, block_t * );
57 static void DecoderOutputChangePause( decoder_t *, bool b_paused, mtime_t i_date );
58 static void DecoderFlush( decoder_t * );
59 static void DecoderSignalBuffering( decoder_t *, bool );
60 static void DecoderFlushBuffering( decoder_t * );
62 static void DecoderUnsupportedCodec( decoder_t *, vlc_fourcc_t );
64 /* Buffers allocation callbacks for the decoders */
65 static aout_buffer_t *aout_new_buffer( decoder_t *, int );
66 static void aout_del_buffer( decoder_t *, aout_buffer_t * );
68 static picture_t *vout_new_buffer( decoder_t * );
69 static void vout_del_buffer( decoder_t *, picture_t * );
70 static void vout_link_picture( decoder_t *, picture_t * );
71 static void vout_unlink_picture( decoder_t *, picture_t * );
73 static subpicture_t *spu_new_buffer( decoder_t * );
74 static void spu_del_buffer( decoder_t *, subpicture_t * );
76 static es_format_t null_es_format;
78 struct decoder_owner_sys_t
80 int64_t i_preroll_end;
82 input_thread_t *p_input;
83 input_clock_t *p_clock;
86 vout_thread_t *p_spu_vout;
90 sout_instance_t *p_sout;
91 sout_packetizer_input_t *p_sout_input;
93 /* Some decoders require already packetized data (ie. not truncated) */
94 decoder_t *p_packetizer;
96 /* Current format in use by the output */
102 block_fifo_t *p_fifo;
104 /* Lock for communication with decoder thread */
108 /* -- These variables need locking on write(only) -- */
109 aout_instance_t *p_aout;
110 aout_input_t *p_aout_input;
112 vout_thread_t *p_vout;
114 /* -- Theses variables need locking on read *and* write -- */
132 picture_t *p_picture;
133 picture_t **pp_picture_next;
135 subpicture_t *p_subpic;
136 subpicture_t **pp_subpic_next;
138 aout_buffer_t *p_audio;
139 aout_buffer_t **pp_audio_next;
150 decoder_t *pp_decoder[4];
157 #define DECODER_MAX_BUFFERING_COUNT (4)
158 #define DECODER_MAX_BUFFERING_AUDIO_DURATION (AOUT_MAX_PREPARE_TIME)
159 #define DECODER_MAX_BUFFERING_VIDEO_DURATION (1*CLOCK_FREQ)
161 /*****************************************************************************
163 *****************************************************************************/
165 /* decoder_GetInputAttachment:
167 input_attachment_t *decoder_GetInputAttachment( decoder_t *p_dec,
168 const char *psz_name )
170 input_attachment_t *p_attachment;
171 if( input_Control( p_dec->p_owner->p_input, INPUT_GET_ATTACHMENT, &p_attachment, psz_name ) )
175 /* decoder_GetInputAttachments:
177 int decoder_GetInputAttachments( decoder_t *p_dec,
178 input_attachment_t ***ppp_attachment,
181 return input_Control( p_dec->p_owner->p_input, INPUT_GET_ATTACHMENTS,
182 ppp_attachment, pi_attachment );
184 /* decoder_GetDisplayDate:
186 mtime_t decoder_GetDisplayDate( decoder_t *p_dec, mtime_t i_ts )
188 decoder_owner_sys_t *p_owner = p_dec->p_owner;
190 vlc_mutex_lock( &p_owner->lock );
191 if( p_owner->b_buffering || p_owner->b_paused )
193 vlc_mutex_unlock( &p_owner->lock );
195 if( !p_owner->p_clock || !i_ts )
198 return input_clock_GetTS( p_owner->p_clock, NULL, p_owner->p_input->i_pts_delay, i_ts );
200 /* decoder_GetDisplayRate:
202 int decoder_GetDisplayRate( decoder_t *p_dec )
204 decoder_owner_sys_t *p_owner = p_dec->p_owner;
206 if( !p_owner->p_clock )
207 return INPUT_RATE_DEFAULT;
208 return input_clock_GetRate( p_owner->p_clock );
212 * Spawns a new decoder thread
214 * \param p_input the input thread
215 * \param p_es the es descriptor
216 * \return the spawned decoder object
218 decoder_t *input_DecoderNew( input_thread_t *p_input,
219 es_format_t *fmt, input_clock_t *p_clock, sout_instance_t *p_sout )
221 decoder_t *p_dec = NULL;
225 /* If we are in sout mode, search for packetizer module */
228 /* Create the decoder configuration structure */
229 p_dec = CreateDecoder( p_input, fmt, VLC_OBJECT_PACKETIZER, p_sout );
232 msg_Err( p_input, "could not create packetizer" );
233 intf_UserFatal( p_input, false, _("Streaming / Transcoding failed"),
234 _("VLC could not open the packetizer module.") );
241 /* Create the decoder configuration structure */
242 p_dec = CreateDecoder( p_input, fmt, VLC_OBJECT_DECODER, p_sout );
245 msg_Err( p_input, "could not create decoder" );
246 intf_UserFatal( p_input, false, _("Streaming / Transcoding failed"),
247 _("VLC could not open the decoder module.") );
252 if( !p_dec->p_module )
254 DecoderUnsupportedCodec( p_dec, fmt->i_codec );
256 DeleteDecoder( p_dec );
257 vlc_object_release( p_dec );
261 p_dec->p_owner->p_clock = p_clock;
263 if( fmt->i_cat == AUDIO_ES )
264 i_priority = VLC_THREAD_PRIORITY_AUDIO;
266 i_priority = VLC_THREAD_PRIORITY_VIDEO;
268 /* Spawn the decoder thread */
269 if( vlc_thread_create( p_dec, "decoder", DecoderThread,
270 i_priority, false ) )
272 msg_Err( p_dec, "cannot spawn decoder thread" );
273 module_unneed( p_dec, p_dec->p_module );
274 DeleteDecoder( p_dec );
275 vlc_object_release( p_dec );
283 * Kills a decoder thread and waits until it's finished
285 * \param p_input the input thread
286 * \param p_es the es descriptor
289 void input_DecoderDelete( decoder_t *p_dec )
291 decoder_owner_sys_t *p_owner = p_dec->p_owner;
293 vlc_object_kill( p_dec );
295 /* Make sure we aren't paused anymore */
296 vlc_mutex_lock( &p_owner->lock );
297 if( p_owner->b_paused || p_owner->b_buffering )
299 p_owner->b_paused = false;
300 p_owner->b_buffering = false;
301 vlc_cond_signal( &p_owner->wait );
303 vlc_mutex_unlock( &p_owner->lock );
305 /* Make sure the thread leaves the function */
306 block_FifoWake( p_owner->p_fifo );
308 vlc_thread_join( p_dec );
310 /* Don't module_unneed() here because of the dll loader that wants
311 * close() in the same thread than open()/decode() */
314 if( p_dec->p_owner->cc.b_supported )
317 for( i = 0; i < 4; i++ )
318 input_DecoderSetCcState( p_dec, false, i );
321 /* Delete decoder configuration */
322 DeleteDecoder( p_dec );
324 /* Delete the decoder */
325 vlc_object_release( p_dec );
329 * Put a block_t in the decoder's fifo.
331 * \param p_dec the decoder object
332 * \param p_block the data block
334 void input_DecoderDecode( decoder_t *p_dec, block_t *p_block )
336 decoder_owner_sys_t *p_owner = p_dec->p_owner;
338 if( p_owner->p_input->p->b_out_pace_control )
341 while( vlc_object_alive( p_dec ) &&
342 block_FifoCount( p_owner->p_fifo ) > 10 )
347 else if( block_FifoSize( p_owner->p_fifo ) > 50000000 /* 50 MB */ )
349 /* FIXME: ideally we would check the time amount of data
350 * in the fifo instead of its size. */
351 msg_Warn( p_dec, "decoder/packetizer fifo full (data not "
352 "consumed quickly enough), resetting fifo!" );
353 block_FifoEmpty( p_owner->p_fifo );
356 block_FifoPut( p_owner->p_fifo, p_block );
359 bool input_DecoderIsEmpty( decoder_t * p_dec )
361 assert( !p_dec->p_owner->b_buffering );
363 /* FIXME that's not really true */
364 return block_FifoCount( p_dec->p_owner->p_fifo ) <= 0;
367 void input_DecoderIsCcPresent( decoder_t *p_dec, bool pb_present[4] )
369 decoder_owner_sys_t *p_owner = p_dec->p_owner;
372 vlc_mutex_lock( &p_owner->lock );
373 for( i = 0; i < 4; i++ )
374 pb_present[i] = p_owner->cc.pb_present[i];
375 vlc_mutex_unlock( &p_owner->lock );
377 int input_DecoderSetCcState( decoder_t *p_dec, bool b_decode, int i_channel )
379 decoder_owner_sys_t *p_owner = p_dec->p_owner;
381 //msg_Warn( p_dec, "input_DecoderSetCcState: %d @%d", b_decode, i_channel );
383 if( i_channel < 0 || i_channel >= 4 || !p_owner->cc.pb_present[i_channel] )
388 static const vlc_fourcc_t fcc[4] = {
389 VLC_FOURCC('c', 'c', '1', ' '),
390 VLC_FOURCC('c', 'c', '2', ' '),
391 VLC_FOURCC('c', 'c', '3', ' '),
392 VLC_FOURCC('c', 'c', '4', ' '),
397 es_format_Init( &fmt, SPU_ES, fcc[i_channel] );
398 p_cc = CreateDecoder( p_owner->p_input, &fmt, VLC_OBJECT_DECODER, p_owner->p_sout );
401 msg_Err( p_dec, "could not create decoder" );
402 intf_UserFatal( p_dec, false, _("Streaming / Transcoding failed"),
403 _("VLC could not open the decoder module.") );
406 else if( !p_cc->p_module )
408 DecoderUnsupportedCodec( p_dec, fcc[i_channel] );
409 DeleteDecoder( p_cc );
410 vlc_object_release( p_cc );
413 p_cc->p_owner->p_clock = p_owner->p_clock;
415 vlc_mutex_lock( &p_owner->lock );
416 p_owner->cc.pp_decoder[i_channel] = p_cc;
417 vlc_mutex_unlock( &p_owner->lock );
423 vlc_mutex_lock( &p_owner->lock );
424 p_cc = p_owner->cc.pp_decoder[i_channel];
425 p_owner->cc.pp_decoder[i_channel] = NULL;
426 vlc_mutex_unlock( &p_owner->lock );
430 vlc_object_kill( p_cc );
431 module_unneed( p_cc, p_cc->p_module );
432 DeleteDecoder( p_cc );
433 vlc_object_release( p_cc );
438 int input_DecoderGetCcState( decoder_t *p_dec, bool *pb_decode, int i_channel )
440 decoder_owner_sys_t *p_owner = p_dec->p_owner;
443 if( i_channel < 0 || i_channel >= 4 || !p_owner->cc.pb_present[i_channel] )
446 vlc_mutex_lock( &p_owner->lock );
447 *pb_decode = p_owner->cc.pp_decoder[i_channel] != NULL;
448 vlc_mutex_unlock( &p_owner->lock );
452 void input_DecoderChangePause( decoder_t *p_dec, bool b_paused, mtime_t i_date )
454 decoder_owner_sys_t *p_owner = p_dec->p_owner;
456 vlc_mutex_lock( &p_owner->lock );
458 assert( !p_owner->b_paused || !b_paused );
460 p_owner->b_paused = b_paused;
461 p_owner->pause.i_date = i_date;
462 p_owner->pause.i_ignore = 0;
463 vlc_cond_signal( &p_owner->wait );
465 DecoderOutputChangePause( p_dec, b_paused, i_date );
467 vlc_mutex_unlock( &p_owner->lock );
470 void input_DecoderChangeDelay( decoder_t *p_dec, mtime_t i_delay )
472 decoder_owner_sys_t *p_owner = p_dec->p_owner;
474 vlc_mutex_lock( &p_owner->lock );
475 p_owner->i_ts_delay = i_delay;
476 vlc_mutex_unlock( &p_owner->lock );
479 void input_DecoderStartBuffering( decoder_t *p_dec )
481 decoder_owner_sys_t *p_owner = p_dec->p_owner;
483 vlc_mutex_lock( &p_owner->lock );
485 DecoderFlush( p_dec );
487 p_owner->buffer.b_first = true;
488 p_owner->buffer.b_full = false;
489 p_owner->buffer.i_count = 0;
491 assert( !p_owner->buffer.p_picture && !p_owner->buffer.p_subpic && !p_owner->buffer.p_audio );
493 p_owner->buffer.p_picture = NULL;
494 p_owner->buffer.pp_picture_next = &p_owner->buffer.p_picture;
496 p_owner->buffer.p_subpic = NULL;
497 p_owner->buffer.pp_subpic_next = &p_owner->buffer.p_subpic;
499 p_owner->buffer.p_audio = NULL;
500 p_owner->buffer.pp_audio_next = &p_owner->buffer.p_audio;
502 p_owner->b_buffering = true;
504 vlc_cond_signal( &p_owner->wait );
506 vlc_mutex_unlock( &p_owner->lock );
509 void input_DecoderStopBuffering( decoder_t *p_dec )
511 decoder_owner_sys_t *p_owner = p_dec->p_owner;
513 vlc_mutex_lock( &p_owner->lock );
515 p_owner->b_buffering = false;
517 vlc_cond_signal( &p_owner->wait );
519 vlc_mutex_unlock( &p_owner->lock );
522 void input_DecoderWaitBuffering( decoder_t *p_dec )
524 decoder_owner_sys_t *p_owner = p_dec->p_owner;
526 vlc_mutex_lock( &p_owner->lock );
528 while( vlc_object_alive( p_dec ) && p_owner->b_buffering && !p_owner->buffer.b_full )
530 block_FifoWake( p_owner->p_fifo );
531 vlc_cond_wait( &p_owner->wait, &p_owner->lock );
534 vlc_mutex_unlock( &p_owner->lock );
536 void input_DecoderFrameNext( decoder_t *p_dec, mtime_t *pi_duration )
538 decoder_owner_sys_t *p_owner = p_dec->p_owner;
542 vlc_mutex_lock( &p_owner->lock );
543 if( p_dec->fmt_in.i_cat == VIDEO_ES )
545 if( p_owner->b_paused && p_owner->p_vout )
547 vout_NextPicture( p_owner->p_vout, pi_duration );
548 p_owner->pause.i_ignore++;
549 vlc_cond_signal( &p_owner->wait );
554 /* TODO subtitle should not be flushed */
555 DecoderFlush( p_dec );
557 vlc_mutex_unlock( &p_owner->lock );
560 /*****************************************************************************
562 *****************************************************************************/
565 static void DecoderUnsupportedCodec( decoder_t *p_dec, vlc_fourcc_t codec )
567 msg_Err( p_dec, "no suitable decoder module for fourcc `%4.4s'.\n"
568 "VLC probably does not support this sound or video format.",
570 intf_UserFatal( p_dec, false, _("No suitable decoder module"),
571 _("VLC does not support the audio or video format \"%4.4s\". "
572 "Unfortunately there is no way for you to fix this."), (char*)&codec );
577 * Create a decoder object
579 * \param p_input the input thread
580 * \param p_es the es descriptor
581 * \param i_object_type Object type as define in include/vlc_objects.h
582 * \return the decoder object
584 static decoder_t * CreateDecoder( input_thread_t *p_input,
585 es_format_t *fmt, int i_object_type, sout_instance_t *p_sout )
588 decoder_owner_sys_t *p_owner;
591 p_dec = vlc_object_create( p_input, i_object_type );
595 p_dec->pf_decode_audio = NULL;
596 p_dec->pf_decode_video = NULL;
597 p_dec->pf_decode_sub = NULL;
598 p_dec->pf_get_cc = NULL;
599 p_dec->pf_packetize = NULL;
601 /* Initialize the decoder fifo */
602 p_dec->p_module = NULL;
604 memset( &null_es_format, 0, sizeof(es_format_t) );
605 es_format_Copy( &p_dec->fmt_in, fmt );
606 es_format_Copy( &p_dec->fmt_out, &null_es_format );
608 /* Allocate our private structure for the decoder */
609 p_dec->p_owner = p_owner = malloc( sizeof( decoder_owner_sys_t ) );
610 if( p_dec->p_owner == NULL )
612 vlc_object_release( p_dec );
615 p_dec->p_owner->i_preroll_end = -1;
616 p_dec->p_owner->i_last_rate = INPUT_RATE_DEFAULT;
617 p_dec->p_owner->p_input = p_input;
618 p_dec->p_owner->p_aout = NULL;
619 p_dec->p_owner->p_aout_input = NULL;
620 p_dec->p_owner->p_vout = NULL;
621 p_dec->p_owner->p_spu_vout = NULL;
622 p_dec->p_owner->i_spu_channel = 0;
623 p_dec->p_owner->i_spu_order = 0;
624 p_dec->p_owner->p_sout = p_sout;
625 p_dec->p_owner->p_sout_input = NULL;
626 p_dec->p_owner->p_packetizer = NULL;
629 if( ( p_dec->p_owner->p_fifo = block_FifoNew() ) == NULL )
631 free( p_dec->p_owner );
632 vlc_object_release( p_dec );
636 /* Set buffers allocation callbacks for the decoders */
637 p_dec->pf_aout_buffer_new = aout_new_buffer;
638 p_dec->pf_aout_buffer_del = aout_del_buffer;
639 p_dec->pf_vout_buffer_new = vout_new_buffer;
640 p_dec->pf_vout_buffer_del = vout_del_buffer;
641 p_dec->pf_picture_link = vout_link_picture;
642 p_dec->pf_picture_unlink = vout_unlink_picture;
643 p_dec->pf_spu_buffer_new = spu_new_buffer;
644 p_dec->pf_spu_buffer_del = spu_del_buffer;
646 vlc_object_attach( p_dec, p_input );
648 /* Find a suitable decoder/packetizer module */
649 if( i_object_type == VLC_OBJECT_DECODER )
650 p_dec->p_module = module_need( p_dec, "decoder", "$codec", 0 );
652 p_dec->p_module = module_need( p_dec, "packetizer", "$packetizer", 0 );
654 /* Check if decoder requires already packetized data */
655 if( i_object_type == VLC_OBJECT_DECODER &&
656 p_dec->b_need_packetized && !p_dec->fmt_in.b_packetized )
658 p_dec->p_owner->p_packetizer =
659 vlc_object_create( p_input, VLC_OBJECT_PACKETIZER );
660 if( p_dec->p_owner->p_packetizer )
662 es_format_Copy( &p_dec->p_owner->p_packetizer->fmt_in,
665 es_format_Copy( &p_dec->p_owner->p_packetizer->fmt_out,
668 vlc_object_attach( p_dec->p_owner->p_packetizer, p_input );
670 p_dec->p_owner->p_packetizer->p_module =
671 module_need( p_dec->p_owner->p_packetizer,
672 "packetizer", "$packetizer", 0 );
674 if( !p_dec->p_owner->p_packetizer->p_module )
676 es_format_Clean( &p_dec->p_owner->p_packetizer->fmt_in );
677 vlc_object_detach( p_dec->p_owner->p_packetizer );
678 vlc_object_release( p_dec->p_owner->p_packetizer );
683 /* Copy ourself the input replay gain */
684 if( fmt->i_cat == AUDIO_ES )
686 for( i = 0; i < AUDIO_REPLAY_GAIN_MAX; i++ )
688 if( !p_dec->fmt_out.audio_replay_gain.pb_peak[i] )
690 p_dec->fmt_out.audio_replay_gain.pb_peak[i] = fmt->audio_replay_gain.pb_peak[i];
691 p_dec->fmt_out.audio_replay_gain.pf_peak[i] = fmt->audio_replay_gain.pf_peak[i];
693 if( !p_dec->fmt_out.audio_replay_gain.pb_gain[i] )
695 p_dec->fmt_out.audio_replay_gain.pb_gain[i] = fmt->audio_replay_gain.pb_gain[i];
696 p_dec->fmt_out.audio_replay_gain.pf_gain[i] = fmt->audio_replay_gain.pf_gain[i];
702 vlc_mutex_init( &p_owner->lock );
703 vlc_cond_init( &p_owner->wait );
705 p_owner->b_paused = false;
706 p_owner->pause.i_date = 0;
707 p_owner->pause.i_ignore = 0;
709 p_owner->b_buffering = false;
710 p_owner->buffer.b_first = true;
711 p_owner->buffer.b_full = false;
712 p_owner->buffer.i_count = 0;
713 p_owner->buffer.p_picture = NULL;
714 p_owner->buffer.p_subpic = NULL;
715 p_owner->buffer.p_audio = NULL;
717 p_owner->b_flushing = false;
720 p_owner->cc.b_supported = false;
721 if( i_object_type == VLC_OBJECT_DECODER )
723 if( p_owner->p_packetizer && p_owner->p_packetizer->pf_get_cc )
724 p_owner->cc.b_supported = true;
725 if( p_dec->pf_get_cc )
726 p_owner->cc.b_supported = true;
729 for( i = 0; i < 4; i++ )
731 p_owner->cc.pb_present[i] = false;
732 p_owner->cc.pp_decoder[i] = NULL;
734 p_owner->i_ts_delay = 0;
739 * The decoding main loop
741 * \param p_dec the decoder
743 static void *DecoderThread( vlc_object_t *p_this )
745 decoder_t *p_dec = (decoder_t *)p_this;
746 decoder_owner_sys_t *p_owner = p_dec->p_owner;
748 int canc = vlc_savecancel();
750 /* The decoder's main loop */
751 while( vlc_object_alive( p_dec ) )
753 block_t *p_block = block_FifoGet( p_owner->p_fifo );
755 DecoderSignalBuffering( p_dec, p_block == NULL );
760 { /* Trash all received PES packets */
761 block_Release( p_block );
763 else if( DecoderProcess( p_dec, p_block ) != VLC_SUCCESS )
770 DecoderSignalBuffering( p_dec, true );
772 /* We do it here because of the dll loader that wants close() in the
773 * same thread than open()/decode() */
774 module_unneed( p_dec, p_dec->p_module );
775 vlc_restorecancel( canc );
779 static void DecoderFlush( decoder_t *p_dec )
781 decoder_owner_sys_t *p_owner = p_dec->p_owner;
784 vlc_assert_locked( &p_owner->lock );
787 block_FifoEmpty( p_owner->p_fifo );
789 /* Monitor for flush end */
790 p_owner->b_flushing = true;
791 vlc_cond_signal( &p_owner->wait );
793 /* Send a special block */
794 p_null = block_New( p_dec, 128 );
797 p_null->i_flags |= BLOCK_FLAG_DISCONTINUITY;
798 p_null->i_flags |= BLOCK_FLAG_CORE_FLUSH;
799 if( !p_dec->fmt_in.b_packetized )
800 p_null->i_flags |= BLOCK_FLAG_CORRUPTED;
801 memset( p_null->p_buffer, 0, p_null->i_buffer );
803 input_DecoderDecode( p_dec, p_null );
806 while( vlc_object_alive( p_dec ) && p_owner->b_flushing )
807 vlc_cond_wait( &p_owner->wait, &p_owner->lock );
810 static void DecoderSignalFlushed( decoder_t *p_dec )
812 decoder_owner_sys_t *p_owner = p_dec->p_owner;
814 vlc_mutex_lock( &p_owner->lock );
816 if( p_owner->b_flushing )
818 p_owner->b_flushing = false;
819 vlc_cond_signal( &p_owner->wait );
822 vlc_mutex_unlock( &p_owner->lock );
825 static void DecoderSignalBuffering( decoder_t *p_dec, bool b_full )
827 decoder_owner_sys_t *p_owner = p_dec->p_owner;
829 vlc_mutex_lock( &p_owner->lock );
831 if( p_owner->b_buffering )
834 p_owner->buffer.b_full = true;
835 vlc_cond_signal( &p_owner->wait );
838 vlc_mutex_unlock( &p_owner->lock );
841 static bool DecoderIsFlushing( decoder_t *p_dec )
843 decoder_owner_sys_t *p_owner = p_dec->p_owner;
846 vlc_mutex_lock( &p_owner->lock );
848 b_flushing = p_owner->b_flushing;
850 vlc_mutex_unlock( &p_owner->lock );
855 static void DecoderWaitUnblock( decoder_t *p_dec, bool *pb_reject )
857 decoder_owner_sys_t *p_owner = p_dec->p_owner;
859 vlc_assert_locked( &p_owner->lock );
861 while( !p_owner->b_flushing )
863 if( p_owner->b_paused )
865 if( p_owner->b_buffering && !p_owner->buffer.b_full )
867 if( p_owner->pause.i_ignore > 0 )
869 p_owner->pause.i_ignore--;
875 if( !p_owner->b_buffering || !p_owner->buffer.b_full )
878 vlc_cond_wait( &p_owner->wait, &p_owner->lock );
882 *pb_reject = p_owner->b_flushing;
885 static void DecoderOutputChangePause( decoder_t *p_dec, bool b_paused, mtime_t i_date )
887 decoder_owner_sys_t *p_owner = p_dec->p_owner;
889 vlc_assert_locked( &p_owner->lock );
891 /* XXX only audio and video output have to be paused.
892 * - for sout it is useless
893 * - for subs, it is done by the vout
895 if( p_dec->fmt_in.i_cat == AUDIO_ES )
897 if( p_owner->p_aout && p_owner->p_aout_input )
898 aout_DecChangePause( p_owner->p_aout, p_owner->p_aout_input,
901 else if( p_dec->fmt_in.i_cat == VIDEO_ES )
903 if( p_owner->p_vout )
904 vout_ChangePause( p_owner->p_vout, b_paused, i_date );
907 static inline void DecoderUpdatePreroll( int64_t *pi_preroll, const block_t *p )
909 if( p->i_flags & (BLOCK_FLAG_PREROLL|BLOCK_FLAG_DISCONTINUITY) )
910 *pi_preroll = INT64_MAX;
911 else if( p->i_pts > 0 )
912 *pi_preroll = __MIN( *pi_preroll, p->i_pts );
913 else if( p->i_dts > 0 )
914 *pi_preroll = __MIN( *pi_preroll, p->i_dts );
917 static mtime_t DecoderTeletextFixTs( mtime_t i_ts, mtime_t i_ts_delay )
919 mtime_t current_date = mdate();
921 /* FIXME I don't really like that, es_out SHOULD do it using the video pts */
922 if( !i_ts || i_ts > current_date + 10000000 || i_ts < current_date )
924 /* ETSI EN 300 472 Annex A : do not take into account the PTS
925 * for teletext streams. */
926 return current_date + 400000 + i_ts_delay;
931 static void DecoderFixTs( decoder_t *p_dec, mtime_t *pi_ts0, mtime_t *pi_ts1,
932 mtime_t *pi_duration, int *pi_rate, mtime_t *pi_delay, bool b_telx )
934 decoder_owner_sys_t *p_owner = p_dec->p_owner;
935 input_clock_t *p_clock = p_owner->p_clock;
938 vlc_assert_locked( &p_owner->lock );
940 const mtime_t i_ts_delay = p_owner->p_input->i_pts_delay;
941 const mtime_t i_es_delay = p_owner->i_ts_delay;
945 const bool b_ephemere = pi_ts1 && *pi_ts0 == *pi_ts1;
948 *pi_ts0 = input_clock_GetTS( p_clock, &i_rate, i_ts_delay,
949 *pi_ts0 + i_es_delay );
950 if( pi_ts1 && *pi_ts1 > 0 )
951 *pi_ts1 = input_clock_GetTS( p_clock, &i_rate, i_ts_delay,
952 *pi_ts1 + i_es_delay );
954 /* Do not create ephemere data because of rounding errors */
955 if( !b_ephemere && pi_ts1 && *pi_ts0 == *pi_ts1 )
959 i_rate = input_clock_GetRate( p_clock );
962 *pi_duration = ( *pi_duration * i_rate +
963 INPUT_RATE_DEFAULT-1 ) / INPUT_RATE_DEFAULT;
970 *pi_ts0 = DecoderTeletextFixTs( *pi_ts0, i_ts_delay );
971 if( pi_ts1 && *pi_ts1 <= 0 )
977 const int r = i_rate > 0 ? i_rate : INPUT_RATE_DEFAULT;
978 *pi_delay = i_ts_delay + i_es_delay * r / INPUT_RATE_DEFAULT;
982 static void DecoderPlayAudio( decoder_t *p_dec, aout_buffer_t *p_audio,
983 int *pi_played_sum, int *pi_lost_sum )
985 decoder_owner_sys_t *p_owner = p_dec->p_owner;
986 aout_instance_t *p_aout = p_owner->p_aout;
987 aout_input_t *p_aout_input = p_owner->p_aout_input;
990 if( p_audio->start_date <= 0 )
992 msg_Warn( p_dec, "non-dated audio buffer received" );
994 aout_BufferFree( p_audio );
999 vlc_mutex_lock( &p_owner->lock );
1001 if( p_owner->b_buffering || p_owner->buffer.p_audio )
1003 p_audio->p_next = NULL;
1005 *p_owner->buffer.pp_audio_next = p_audio;
1006 p_owner->buffer.pp_audio_next = &p_audio->p_next;
1008 p_owner->buffer.i_count++;
1009 if( p_owner->buffer.i_count > DECODER_MAX_BUFFERING_COUNT ||
1010 p_audio->start_date - p_owner->buffer.p_audio->start_date > DECODER_MAX_BUFFERING_AUDIO_DURATION )
1012 p_owner->buffer.b_full = true;
1013 vlc_cond_signal( &p_owner->wait );
1019 bool b_has_more = false;
1021 DecoderWaitUnblock( p_dec, &b_reject );
1023 if( p_owner->b_buffering )
1025 vlc_mutex_unlock( &p_owner->lock );
1030 if( p_owner->buffer.p_audio )
1032 p_audio = p_owner->buffer.p_audio;
1034 p_owner->buffer.p_audio = p_audio->p_next;
1035 p_owner->buffer.i_count--;
1037 b_has_more = p_owner->buffer.p_audio != NULL;
1039 p_owner->buffer.pp_audio_next = &p_owner->buffer.p_audio;
1043 int i_rate = INPUT_RATE_DEFAULT;
1046 DecoderFixTs( p_dec, &p_audio->start_date, &p_audio->end_date, NULL,
1047 &i_rate, &i_delay, false );
1049 vlc_mutex_unlock( &p_owner->lock );
1052 const mtime_t i_max_date = mdate() + i_delay + AOUT_MAX_ADVANCE_TIME;
1054 if( !p_aout || !p_aout_input ||
1055 p_audio->start_date <= 0 || p_audio->start_date > i_max_date ||
1056 i_rate < INPUT_RATE_DEFAULT/AOUT_MAX_INPUT_RATE ||
1057 i_rate > INPUT_RATE_DEFAULT*AOUT_MAX_INPUT_RATE )
1062 /* Wait if we are too early
1063 * FIXME that's plain ugly to do it here */
1064 mwait( p_audio->start_date - AOUT_MAX_PREPARE_TIME );
1066 if( !aout_DecPlay( p_aout, p_aout_input, p_audio, i_rate ) )
1067 *pi_played_sum += 1;
1068 *pi_lost_sum += aout_DecGetResetLost( p_aout, p_aout_input );
1072 if( p_audio->start_date <= 0 )
1074 msg_Warn( p_dec, "non-dated audio buffer received" );
1076 else if( p_audio->start_date > i_max_date )
1078 msg_Warn( p_aout, "received buffer in the future (%"PRId64")",
1079 p_audio->start_date - mdate() );
1082 aout_BufferFree( p_audio );
1088 vlc_mutex_lock( &p_owner->lock );
1089 if( !p_owner->buffer.p_audio )
1091 vlc_mutex_unlock( &p_owner->lock );
1097 static void DecoderDecodeAudio( decoder_t *p_dec, block_t *p_block )
1099 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1100 input_thread_t *p_input = p_owner->p_input;
1101 aout_buffer_t *p_aout_buf;
1106 while( (p_aout_buf = p_dec->pf_decode_audio( p_dec, &p_block )) )
1108 aout_instance_t *p_aout = p_owner->p_aout;
1109 aout_input_t *p_aout_input = p_owner->p_aout_input;
1115 /* It prevent freezing VLC in case of broken decoder */
1116 aout_DecDeleteBuffer( p_aout, p_aout_input, p_aout_buf );
1118 block_Release( p_block );
1123 if( p_aout_buf->start_date < p_owner->i_preroll_end )
1125 aout_DecDeleteBuffer( p_aout, p_aout_input, p_aout_buf );
1129 if( p_owner->i_preroll_end > 0 )
1131 msg_Dbg( p_dec, "End of audio preroll" );
1132 if( p_owner->p_aout && p_owner->p_aout_input )
1133 aout_DecFlush( p_owner->p_aout, p_owner->p_aout_input );
1135 p_owner->i_preroll_end = -1;
1138 DecoderPlayAudio( p_dec, p_aout_buf, &i_played, &i_lost );
1141 /* Update ugly stat */
1142 if( i_decoded > 0 || i_lost > 0 || i_played > 0 )
1144 vlc_mutex_lock( &p_input->p->counters.counters_lock);
1146 stats_UpdateInteger( p_dec, p_input->p->counters.p_lost_abuffers,
1148 stats_UpdateInteger( p_dec, p_input->p->counters.p_played_abuffers,
1150 stats_UpdateInteger( p_dec, p_input->p->counters.p_decoded_audio,
1153 vlc_mutex_unlock( &p_input->p->counters.counters_lock);
1156 static void DecoderGetCc( decoder_t *p_dec, decoder_t *p_dec_cc )
1158 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1164 assert( p_dec_cc->pf_get_cc != NULL );
1166 /* Do not try retreiving CC if not wanted (sout) or cannot be retreived */
1167 if( !p_owner->cc.b_supported )
1170 p_cc = p_dec_cc->pf_get_cc( p_dec_cc, pb_present );
1174 vlc_mutex_lock( &p_owner->lock );
1175 for( i = 0, i_cc_decoder = 0; i < 4; i++ )
1177 p_owner->cc.pb_present[i] |= pb_present[i];
1178 if( p_owner->cc.pp_decoder[i] )
1182 for( i = 0; i < 4; i++ )
1184 if( !p_owner->cc.pp_decoder[i] )
1187 if( i_cc_decoder > 1 )
1188 DecoderProcess( p_owner->cc.pp_decoder[i], block_Duplicate( p_cc ) );
1190 DecoderProcess( p_owner->cc.pp_decoder[i], p_cc );
1193 vlc_mutex_unlock( &p_owner->lock );
1196 static void DecoderPlayVideo( decoder_t *p_dec, picture_t *p_picture,
1197 int *pi_played_sum, int *pi_lost_sum )
1199 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1200 vout_thread_t *p_vout = p_owner->p_vout;
1201 bool b_first_buffered;
1203 if( p_picture->date <= 0 )
1205 msg_Warn( p_vout, "non-dated video buffer received" );
1207 vout_DropPicture( p_vout, p_picture );
1212 vlc_mutex_lock( &p_owner->lock );
1214 if( ( p_owner->b_buffering && !p_owner->buffer.b_first ) || p_owner->buffer.p_picture )
1216 p_picture->p_next = NULL;
1218 *p_owner->buffer.pp_picture_next = p_picture;
1219 p_owner->buffer.pp_picture_next = &p_picture->p_next;
1221 p_owner->buffer.i_count++;
1222 if( p_owner->buffer.i_count > DECODER_MAX_BUFFERING_COUNT ||
1223 p_picture->date - p_owner->buffer.p_picture->date > DECODER_MAX_BUFFERING_VIDEO_DURATION )
1225 p_owner->buffer.b_full = true;
1226 vlc_cond_signal( &p_owner->wait );
1229 b_first_buffered = p_owner->buffer.p_picture != NULL;
1231 for( ;; b_first_buffered = false )
1233 bool b_has_more = false;
1237 DecoderWaitUnblock( p_dec, &b_reject );
1239 if( p_owner->b_buffering && !p_owner->buffer.b_first )
1241 vlc_mutex_unlock( &p_owner->lock );
1244 bool b_buffering_first = p_owner->b_buffering;
1247 if( p_owner->buffer.p_picture )
1249 p_picture = p_owner->buffer.p_picture;
1251 p_owner->buffer.p_picture = p_picture->p_next;
1252 p_owner->buffer.i_count--;
1254 b_has_more = p_owner->buffer.p_picture != NULL;
1256 p_owner->buffer.pp_picture_next = &p_owner->buffer.p_picture;
1260 int i_rate = INPUT_RATE_DEFAULT;
1263 if( b_buffering_first )
1265 assert( p_owner->buffer.b_first );
1266 assert( !p_owner->buffer.i_count );
1267 msg_Dbg( p_dec, "Received first picture" );
1268 p_owner->buffer.b_first = false;
1269 p_picture->b_force = true;
1271 if( p_owner->p_clock )
1272 i_rate = input_clock_GetRate( p_owner->p_clock );
1274 DecoderFixTs( p_dec, &p_picture->date, NULL, NULL,
1275 &i_rate, &i_delay, false );
1277 vlc_mutex_unlock( &p_owner->lock );
1280 const mtime_t i_max_date = mdate() + i_delay + VOUT_BOGUS_DELAY;
1282 if( !p_picture->b_force && ( p_picture->date <= 0 || p_picture->date >= i_max_date ) )
1287 if( i_rate != p_owner->i_last_rate || b_first_buffered )
1289 /* Be sure to not display old picture after our own */
1290 vout_Flush( p_vout, p_picture->date );
1291 p_owner->i_last_rate = i_rate;
1293 vout_DisplayPicture( p_vout, p_picture );
1297 if( p_picture->date <= 0 )
1299 msg_Warn( p_vout, "non-dated video buffer received" );
1303 msg_Warn( p_vout, "early picture skipped (%"PRId64")",
1304 p_picture->date - mdate() );
1307 vout_DropPicture( p_vout, p_picture );
1311 vout_GetResetStatistic( p_vout, &i_tmp_display, &i_tmp_lost );
1313 *pi_played_sum += i_tmp_display;
1314 *pi_lost_sum += i_tmp_lost;
1316 if( !b_has_more || b_buffering_first )
1319 vlc_mutex_lock( &p_owner->lock );
1320 if( !p_owner->buffer.p_picture )
1322 vlc_mutex_unlock( &p_owner->lock );
1328 static void DecoderDecodeVideo( decoder_t *p_dec, block_t *p_block )
1330 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1331 input_thread_t *p_input = p_owner->p_input;
1335 int i_displayed = 0;
1337 while( (p_pic = p_dec->pf_decode_video( p_dec, &p_block )) )
1339 vout_thread_t *p_vout = p_owner->p_vout;
1342 /* It prevent freezing VLC in case of broken decoder */
1343 vout_DropPicture( p_vout, p_pic );
1345 block_Release( p_block );
1351 if( p_pic->date < p_owner->i_preroll_end )
1353 vout_DropPicture( p_vout, p_pic );
1357 if( p_owner->i_preroll_end > 0 )
1359 msg_Dbg( p_dec, "End of video preroll" );
1361 vout_Flush( p_vout, 1 );
1363 p_owner->i_preroll_end = -1;
1366 if( p_dec->pf_get_cc &&
1367 ( !p_owner->p_packetizer || !p_owner->p_packetizer->pf_get_cc ) )
1368 DecoderGetCc( p_dec, p_dec );
1370 DecoderPlayVideo( p_dec, p_pic, &i_displayed, &i_lost );
1372 if( i_decoded > 0 || i_lost > 0 || i_displayed > 0 )
1374 vlc_mutex_lock( &p_input->p->counters.counters_lock );
1376 stats_UpdateInteger( p_dec, p_input->p->counters.p_decoded_video,
1378 stats_UpdateInteger( p_dec, p_input->p->counters.p_lost_pictures,
1381 stats_UpdateInteger( p_dec, p_input->p->counters.p_displayed_pictures,
1384 vlc_mutex_unlock( &p_input->p->counters.counters_lock );
1388 static void DecoderPlaySpu( decoder_t *p_dec, subpicture_t *p_subpic,
1391 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1392 vout_thread_t *p_vout = p_owner->p_spu_vout;
1395 if( p_subpic->i_start <= 0 )
1397 msg_Warn( p_dec, "non-dated spu buffer received" );
1398 subpicture_Delete( p_subpic );
1403 vlc_mutex_lock( &p_owner->lock );
1405 if( p_owner->b_buffering || p_owner->buffer.p_subpic )
1407 p_subpic->p_next = NULL;
1409 *p_owner->buffer.pp_subpic_next = p_subpic;
1410 p_owner->buffer.pp_subpic_next = &p_subpic->p_next;
1412 p_owner->buffer.i_count++;
1413 /* XXX it is important to be full after the first one */
1414 if( p_owner->buffer.i_count > 0 )
1416 p_owner->buffer.b_full = true;
1417 vlc_cond_signal( &p_owner->wait );
1423 bool b_has_more = false;
1425 DecoderWaitUnblock( p_dec, &b_reject );
1427 if( p_owner->b_buffering )
1429 vlc_mutex_unlock( &p_owner->lock );
1434 if( p_owner->buffer.p_subpic )
1436 p_subpic = p_owner->buffer.p_subpic;
1438 p_owner->buffer.p_subpic = p_subpic->p_next;
1439 p_owner->buffer.i_count--;
1441 b_has_more = p_owner->buffer.p_subpic != NULL;
1443 p_owner->buffer.pp_subpic_next = &p_owner->buffer.p_subpic;
1447 DecoderFixTs( p_dec, &p_subpic->i_start, &p_subpic->i_stop, NULL,
1448 NULL, NULL, b_telx );
1450 vlc_mutex_unlock( &p_owner->lock );
1453 spu_DisplaySubpicture( p_vout->p_spu, p_subpic );
1455 subpicture_Delete( p_subpic );
1459 vlc_mutex_lock( &p_owner->lock );
1460 if( !p_owner->buffer.p_subpic )
1462 vlc_mutex_unlock( &p_owner->lock );
1468 static void DecoderPlaySout( decoder_t *p_dec, block_t *p_sout_block,
1471 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1473 assert( p_owner->p_clock );
1475 vlc_mutex_lock( &p_owner->lock );
1478 DecoderWaitUnblock( p_dec, &b_reject );
1480 DecoderFixTs( p_dec, &p_sout_block->i_dts, &p_sout_block->i_pts, &p_sout_block->i_length,
1481 &p_sout_block->i_rate, NULL, b_telx );
1483 vlc_mutex_unlock( &p_owner->lock );
1485 sout_InputSendBuffer( p_owner->p_sout_input, p_sout_block );
1489 static void DecoderFlushBuffering( decoder_t *p_dec )
1491 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1493 vlc_assert_locked( &p_owner->lock );
1495 while( p_owner->buffer.p_picture )
1497 picture_t *p_picture = p_owner->buffer.p_picture;
1499 p_owner->buffer.p_picture = p_picture->p_next;
1500 p_owner->buffer.i_count--;
1502 if( p_owner->p_vout )
1503 vout_DropPicture( p_owner->p_vout, p_picture );
1505 if( !p_owner->buffer.p_picture )
1506 p_owner->buffer.pp_picture_next = &p_owner->buffer.p_picture;
1508 while( p_owner->buffer.p_audio )
1510 aout_buffer_t *p_audio = p_owner->buffer.p_audio;
1512 p_owner->buffer.p_audio = p_audio->p_next;
1513 p_owner->buffer.i_count--;
1515 aout_BufferFree( p_audio );
1517 if( !p_owner->buffer.p_audio )
1518 p_owner->buffer.pp_audio_next = &p_owner->buffer.p_audio;
1520 while( p_owner->buffer.p_subpic )
1522 subpicture_t *p_subpic = p_owner->buffer.p_subpic;
1524 p_owner->buffer.p_subpic = p_subpic->p_next;
1525 p_owner->buffer.i_count--;
1527 subpicture_Delete( p_subpic );
1529 if( !p_owner->buffer.p_subpic )
1530 p_owner->buffer.pp_subpic_next = &p_owner->buffer.p_subpic;
1534 /* This function process a block for sout
1536 static void DecoderProcessSout( decoder_t *p_dec, block_t *p_block )
1538 decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
1539 const bool b_telx = p_dec->fmt_in.i_codec == VLC_FOURCC('t','e','l','x');
1540 block_t *p_sout_block;
1542 while( ( p_sout_block =
1543 p_dec->pf_packetize( p_dec, p_block ? &p_block : NULL ) ) )
1545 if( !p_owner->p_sout_input )
1547 es_format_Copy( &p_owner->sout, &p_dec->fmt_out );
1549 p_owner->sout.i_group = p_dec->fmt_in.i_group;
1550 p_owner->sout.i_id = p_dec->fmt_in.i_id;
1551 if( p_dec->fmt_in.psz_language )
1553 if( p_owner->sout.psz_language )
1554 free( p_owner->sout.psz_language );
1555 p_owner->sout.psz_language =
1556 strdup( p_dec->fmt_in.psz_language );
1559 p_owner->p_sout_input =
1560 sout_InputNew( p_owner->p_sout,
1563 if( p_owner->p_sout_input == NULL )
1565 msg_Err( p_dec, "cannot create packetizer output (%4.4s)",
1566 (char *)&p_owner->sout.i_codec );
1567 p_dec->b_error = true;
1569 while( p_sout_block )
1571 block_t *p_next = p_sout_block->p_next;
1572 block_Release( p_sout_block );
1573 p_sout_block = p_next;
1579 while( p_sout_block )
1581 block_t *p_next = p_sout_block->p_next;
1583 p_sout_block->p_next = NULL;
1585 DecoderPlaySout( p_dec, p_sout_block, b_telx );
1587 p_sout_block = p_next;
1590 /* For now it's enough, as only sout impact on this flag */
1591 if( p_owner->p_sout->i_out_pace_nocontrol > 0 &&
1592 p_owner->p_input->p->b_out_pace_control )
1594 msg_Dbg( p_dec, "switching to sync mode" );
1595 p_owner->p_input->p->b_out_pace_control = false;
1597 else if( p_owner->p_sout->i_out_pace_nocontrol <= 0 &&
1598 !p_owner->p_input->p->b_out_pace_control )
1600 msg_Dbg( p_dec, "switching to async mode" );
1601 p_owner->p_input->p->b_out_pace_control = true;
1606 /* This function process a video block
1608 static void DecoderProcessVideo( decoder_t *p_dec, block_t *p_block, bool b_flush )
1610 decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
1612 if( p_owner->p_packetizer )
1614 block_t *p_packetized_block;
1615 decoder_t *p_packetizer = p_owner->p_packetizer;
1617 while( (p_packetized_block =
1618 p_packetizer->pf_packetize( p_packetizer, p_block ? &p_block : NULL )) )
1620 if( p_packetizer->fmt_out.i_extra && !p_dec->fmt_in.i_extra )
1622 es_format_Clean( &p_dec->fmt_in );
1623 es_format_Copy( &p_dec->fmt_in, &p_packetizer->fmt_out );
1625 if( p_packetizer->pf_get_cc )
1626 DecoderGetCc( p_dec, p_packetizer );
1628 while( p_packetized_block )
1630 block_t *p_next = p_packetized_block->p_next;
1631 p_packetized_block->p_next = NULL;
1633 DecoderDecodeVideo( p_dec, p_packetized_block );
1635 p_packetized_block = p_next;
1641 DecoderDecodeVideo( p_dec, p_block );
1644 if( b_flush && p_owner->p_vout )
1645 vout_Flush( p_owner->p_vout, 1 );
1648 /* This function process a audio block
1650 static void DecoderProcessAudio( decoder_t *p_dec, block_t *p_block, bool b_flush )
1652 decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
1654 if( p_owner->p_packetizer )
1656 block_t *p_packetized_block;
1657 decoder_t *p_packetizer = p_owner->p_packetizer;
1659 while( (p_packetized_block =
1660 p_packetizer->pf_packetize( p_packetizer, p_block ? &p_block : NULL )) )
1662 if( p_packetizer->fmt_out.i_extra && !p_dec->fmt_in.i_extra )
1664 es_format_Clean( &p_dec->fmt_in );
1665 es_format_Copy( &p_dec->fmt_in, &p_packetizer->fmt_out );
1668 while( p_packetized_block )
1670 block_t *p_next = p_packetized_block->p_next;
1671 p_packetized_block->p_next = NULL;
1673 DecoderDecodeAudio( p_dec, p_packetized_block );
1675 p_packetized_block = p_next;
1681 DecoderDecodeAudio( p_dec, p_block );
1684 if( b_flush && p_owner->p_aout && p_owner->p_aout_input )
1685 aout_DecFlush( p_owner->p_aout, p_owner->p_aout_input );
1688 /* This function process a subtitle block
1690 static void DecoderProcessSpu( decoder_t *p_dec, block_t *p_block, bool b_flush )
1692 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1693 const bool b_telx = p_dec->fmt_in.i_codec == VLC_FOURCC('t','e','l','x');
1695 input_thread_t *p_input = p_owner->p_input;
1696 vout_thread_t *p_vout;
1697 subpicture_t *p_spu;
1699 while( (p_spu = p_dec->pf_decode_sub( p_dec, p_block ? &p_block : NULL ) ) )
1701 vlc_mutex_lock( &p_input->p->counters.counters_lock );
1702 stats_UpdateInteger( p_dec, p_input->p->counters.p_decoded_sub, 1, NULL );
1703 vlc_mutex_unlock( &p_input->p->counters.counters_lock );
1705 p_vout = vlc_object_find( p_dec, VLC_OBJECT_VOUT, FIND_ANYWHERE );
1706 if( p_vout && p_owner->p_spu_vout == p_vout )
1708 /* Preroll does not work very well with subtitle */
1709 if( p_spu->i_start > 0 &&
1710 p_spu->i_start < p_owner->i_preroll_end &&
1711 ( p_spu->i_stop <= 0 || p_spu->i_stop < p_owner->i_preroll_end ) )
1713 subpicture_Delete( p_spu );
1717 DecoderPlaySpu( p_dec, p_spu, b_telx );
1722 subpicture_Delete( p_spu );
1725 vlc_object_release( p_vout );
1728 if( b_flush && p_owner->p_spu_vout )
1730 p_vout = vlc_object_find( p_dec, VLC_OBJECT_VOUT, FIND_ANYWHERE );
1732 if( p_vout && p_owner->p_spu_vout == p_vout )
1733 spu_Control( p_vout->p_spu, SPU_CHANNEL_CLEAR,
1734 p_owner->i_spu_channel );
1737 vlc_object_release( p_vout );
1744 * \param p_dec the decoder object
1745 * \param p_block the block to decode
1746 * \return VLC_SUCCESS or an error code
1748 static int DecoderProcess( decoder_t *p_dec, block_t *p_block )
1750 decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
1751 const bool b_flush_request = p_block && (p_block->i_flags & BLOCK_FLAG_CORE_FLUSH);
1753 if( p_block && p_block->i_buffer <= 0 )
1755 assert( !b_flush_request );
1756 block_Release( p_block );
1761 if( p_dec->i_object_type == VLC_OBJECT_PACKETIZER )
1764 p_block->i_flags &= ~BLOCK_FLAG_CORE_PRIVATE_MASK;
1766 DecoderProcessSout( p_dec, p_block );
1771 bool b_flush = false;
1775 const bool b_flushing = p_owner->i_preroll_end == INT64_MAX;
1776 DecoderUpdatePreroll( &p_owner->i_preroll_end, p_block );
1778 b_flush = !b_flushing && b_flush_request;
1780 p_block->i_flags &= ~BLOCK_FLAG_CORE_PRIVATE_MASK;
1783 if( p_dec->fmt_in.i_cat == AUDIO_ES )
1785 DecoderProcessAudio( p_dec, p_block, b_flush );
1787 else if( p_dec->fmt_in.i_cat == VIDEO_ES )
1789 DecoderProcessVideo( p_dec, p_block, b_flush );
1791 else if( p_dec->fmt_in.i_cat == SPU_ES )
1793 DecoderProcessSpu( p_dec, p_block, b_flush );
1797 msg_Err( p_dec, "unknown ES format" );
1798 p_dec->b_error = true;
1803 if( b_flush_request )
1805 vlc_mutex_lock( &p_owner->lock );
1806 DecoderFlushBuffering( p_dec );
1807 vlc_mutex_unlock( &p_owner->lock );
1809 DecoderSignalFlushed( p_dec );
1812 return p_dec->b_error ? VLC_EGENERIC : VLC_SUCCESS;
1816 * Destroys a decoder object
1818 * \param p_dec the decoder object
1821 static void DeleteDecoder( decoder_t * p_dec )
1823 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1825 msg_Dbg( p_dec, "killing decoder fourcc `%4.4s', %u PES in FIFO",
1826 (char*)&p_dec->fmt_in.i_codec,
1827 (unsigned)block_FifoCount( p_owner->p_fifo ) );
1829 /* Free all packets still in the decoder fifo. */
1830 block_FifoEmpty( p_owner->p_fifo );
1831 block_FifoRelease( p_owner->p_fifo );
1834 vlc_mutex_lock( &p_owner->lock );
1835 DecoderFlushBuffering( p_dec );
1836 vlc_mutex_unlock( &p_owner->lock );
1839 if( p_owner->p_aout_input )
1840 aout_DecDelete( p_owner->p_aout, p_owner->p_aout_input );
1841 if( p_owner->p_aout )
1843 vlc_object_release( p_owner->p_aout );
1844 p_owner->p_aout = NULL;
1846 if( p_owner->p_vout )
1848 /* Hack to make sure all the the pictures are freed by the decoder */
1849 vout_FixLeaks( p_owner->p_vout, true );
1851 /* We are about to die. Reattach video output to p_vlc. */
1852 vout_Request( p_dec, p_owner->p_vout, NULL );
1853 var_SetBool( p_owner->p_input, "intf-change-vout", true );
1857 if( p_owner->p_sout_input )
1859 sout_InputDelete( p_owner->p_sout_input );
1860 es_format_Clean( &p_owner->sout );
1864 if( p_dec->fmt_in.i_cat == SPU_ES )
1866 vout_thread_t *p_vout;
1868 p_vout = vlc_object_find( p_dec, VLC_OBJECT_VOUT, FIND_ANYWHERE );
1869 if( p_vout && p_owner->p_spu_vout == p_vout )
1871 spu_Control( p_vout->p_spu, SPU_CHANNEL_CLEAR,
1872 p_owner->i_spu_channel );
1873 vlc_object_release( p_vout );
1877 es_format_Clean( &p_dec->fmt_in );
1878 es_format_Clean( &p_dec->fmt_out );
1880 if( p_owner->p_packetizer )
1882 module_unneed( p_owner->p_packetizer,
1883 p_owner->p_packetizer->p_module );
1884 es_format_Clean( &p_owner->p_packetizer->fmt_in );
1885 es_format_Clean( &p_owner->p_packetizer->fmt_out );
1886 vlc_object_detach( p_owner->p_packetizer );
1887 vlc_object_release( p_owner->p_packetizer );
1890 vlc_cond_destroy( &p_owner->wait );
1891 vlc_mutex_destroy( &p_owner->lock );
1893 vlc_object_detach( p_dec );
1898 /*****************************************************************************
1899 * Buffers allocation callbacks for the decoders
1900 *****************************************************************************/
1901 static aout_buffer_t *aout_new_buffer( decoder_t *p_dec, int i_samples )
1903 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1904 aout_buffer_t *p_buffer;
1906 if( p_owner->p_aout_input != NULL &&
1907 ( p_dec->fmt_out.audio.i_rate != p_owner->audio.i_rate ||
1908 p_dec->fmt_out.audio.i_original_channels !=
1909 p_owner->audio.i_original_channels ||
1910 p_dec->fmt_out.audio.i_bytes_per_frame !=
1911 p_owner->audio.i_bytes_per_frame ) )
1913 aout_input_t *p_aout_input = p_owner->p_aout_input;
1915 /* Parameters changed, restart the aout */
1916 vlc_mutex_lock( &p_owner->lock );
1918 DecoderFlushBuffering( p_dec );
1920 p_owner->p_aout_input = NULL;
1921 aout_DecDelete( p_owner->p_aout, p_aout_input );
1923 vlc_mutex_unlock( &p_owner->lock );
1926 if( p_owner->p_aout_input == NULL )
1928 const int i_force_dolby = config_GetInt( p_dec, "force-dolby-surround" );
1929 audio_sample_format_t format;
1930 aout_input_t *p_aout_input;
1931 aout_instance_t *p_aout;
1933 p_dec->fmt_out.audio.i_format = p_dec->fmt_out.i_codec;
1934 p_owner->audio = p_dec->fmt_out.audio;
1936 memcpy( &format, &p_owner->audio, sizeof( audio_sample_format_t ) );
1937 if ( i_force_dolby && (format.i_original_channels&AOUT_CHAN_PHYSMASK)
1938 == (AOUT_CHAN_LEFT|AOUT_CHAN_RIGHT) )
1940 if ( i_force_dolby == 1 )
1942 format.i_original_channels = format.i_original_channels |
1943 AOUT_CHAN_DOLBYSTEREO;
1945 else /* i_force_dolby == 2 */
1947 format.i_original_channels = format.i_original_channels &
1948 ~AOUT_CHAN_DOLBYSTEREO;
1952 p_aout = p_owner->p_aout;
1953 p_aout_input = aout_DecNew( p_dec, &p_aout,
1954 &format, &p_dec->fmt_out.audio_replay_gain );
1956 vlc_mutex_lock( &p_owner->lock );
1957 p_owner->p_aout = p_aout;
1958 p_owner->p_aout_input = p_aout_input;
1959 vlc_mutex_unlock( &p_owner->lock );
1961 if( p_owner->p_aout_input == NULL )
1963 msg_Err( p_dec, "failed to create audio output" );
1964 p_dec->b_error = true;
1967 p_dec->fmt_out.audio.i_bytes_per_frame =
1968 p_owner->audio.i_bytes_per_frame;
1971 p_buffer = aout_DecNewBuffer( p_owner->p_aout_input, i_samples );
1976 static void aout_del_buffer( decoder_t *p_dec, aout_buffer_t *p_buffer )
1978 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1980 aout_DecDeleteBuffer( p_owner->p_aout,
1981 p_owner->p_aout_input, p_buffer );
1985 int vout_CountPictureAvailable( vout_thread_t *p_vout );
1987 static picture_t *vout_new_buffer( decoder_t *p_dec )
1989 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1991 if( p_owner->p_vout == NULL ||
1992 p_dec->fmt_out.video.i_width != p_owner->video.i_width ||
1993 p_dec->fmt_out.video.i_height != p_owner->video.i_height ||
1994 p_dec->fmt_out.video.i_chroma != p_owner->video.i_chroma ||
1995 p_dec->fmt_out.video.i_aspect != p_owner->video.i_aspect )
1997 vout_thread_t *p_vout;
1999 if( !p_dec->fmt_out.video.i_width ||
2000 !p_dec->fmt_out.video.i_height )
2002 /* Can't create a new vout without display size */
2006 if( !p_dec->fmt_out.video.i_visible_width ||
2007 !p_dec->fmt_out.video.i_visible_height )
2009 if( p_dec->fmt_in.video.i_visible_width &&
2010 p_dec->fmt_in.video.i_visible_height )
2012 p_dec->fmt_out.video.i_visible_width =
2013 p_dec->fmt_in.video.i_visible_width;
2014 p_dec->fmt_out.video.i_visible_height =
2015 p_dec->fmt_in.video.i_visible_height;
2019 p_dec->fmt_out.video.i_visible_width =
2020 p_dec->fmt_out.video.i_width;
2021 p_dec->fmt_out.video.i_visible_height =
2022 p_dec->fmt_out.video.i_height;
2026 if( p_dec->fmt_out.video.i_visible_height == 1088 &&
2027 var_CreateGetBool( p_dec, "hdtv-fix" ) )
2029 p_dec->fmt_out.video.i_visible_height = 1080;
2030 p_dec->fmt_out.video.i_sar_num *= 135;
2031 p_dec->fmt_out.video.i_sar_den *= 136;
2032 msg_Warn( p_dec, "Fixing broken HDTV stream (display_height=1088)");
2035 if( !p_dec->fmt_out.video.i_sar_num ||
2036 !p_dec->fmt_out.video.i_sar_den )
2038 p_dec->fmt_out.video.i_sar_num = p_dec->fmt_out.video.i_aspect *
2039 p_dec->fmt_out.video.i_visible_height;
2041 p_dec->fmt_out.video.i_sar_den = VOUT_ASPECT_FACTOR *
2042 p_dec->fmt_out.video.i_visible_width;
2045 vlc_ureduce( &p_dec->fmt_out.video.i_sar_num,
2046 &p_dec->fmt_out.video.i_sar_den,
2047 p_dec->fmt_out.video.i_sar_num,
2048 p_dec->fmt_out.video.i_sar_den, 50000 );
2050 p_dec->fmt_out.video.i_chroma = p_dec->fmt_out.i_codec;
2051 p_owner->video = p_dec->fmt_out.video;
2053 vlc_mutex_lock( &p_owner->lock );
2055 DecoderFlushBuffering( p_dec );
2057 p_vout = p_owner->p_vout;
2058 p_owner->p_vout = NULL;
2059 vlc_mutex_unlock( &p_owner->lock );
2061 p_vout = vout_Request( p_dec, p_vout, &p_dec->fmt_out.video );
2063 vlc_mutex_lock( &p_owner->lock );
2064 p_owner->p_vout = p_vout;
2065 vlc_mutex_unlock( &p_owner->lock );
2067 var_SetBool( p_owner->p_input, "intf-change-vout", true );
2068 if( p_vout == NULL )
2070 msg_Err( p_dec, "failed to create video output" );
2071 p_dec->b_error = true;
2075 if( p_owner->video.i_rmask )
2076 p_owner->p_vout->render.i_rmask = p_owner->video.i_rmask;
2077 if( p_owner->video.i_gmask )
2078 p_owner->p_vout->render.i_gmask = p_owner->video.i_gmask;
2079 if( p_owner->video.i_bmask )
2080 p_owner->p_vout->render.i_bmask = p_owner->video.i_bmask;
2083 /* Get a new picture
2087 picture_t *p_picture;
2089 if( p_dec->b_die || p_dec->b_error )
2092 /* The video filter chain required that there is always 1 free buffer
2093 * that it will use as temporary one. It will release the temporary
2094 * buffer once its work is done, so this check is safe even if we don't
2095 * lock around both count() and create().
2097 if( vout_CountPictureAvailable( p_owner->p_vout ) >= 2 )
2099 p_picture = vout_CreatePicture( p_owner->p_vout, 0, 0, 0 );
2104 if( DecoderIsFlushing( p_dec ) )
2108 DecoderSignalBuffering( p_dec, true );
2110 /* Check the decoder doesn't leak pictures */
2111 vout_FixLeaks( p_owner->p_vout, false );
2113 /* FIXME add a vout_WaitPictureAvailable (timedwait) */
2114 msleep( VOUT_OUTMEM_SLEEP );
2118 static void vout_del_buffer( decoder_t *p_dec, picture_t *p_pic )
2120 vout_DropPicture( p_dec->p_owner->p_vout, p_pic );
2123 static void vout_link_picture( decoder_t *p_dec, picture_t *p_pic )
2125 vout_LinkPicture( p_dec->p_owner->p_vout, p_pic );
2128 static void vout_unlink_picture( decoder_t *p_dec, picture_t *p_pic )
2130 vout_UnlinkPicture( p_dec->p_owner->p_vout, p_pic );
2133 static subpicture_t *spu_new_buffer( decoder_t *p_dec )
2135 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2136 vout_thread_t *p_vout = NULL;
2137 subpicture_t *p_subpic;
2138 int i_attempts = 30;
2140 while( i_attempts-- )
2142 if( p_dec->b_die || p_dec->b_error )
2145 p_vout = vlc_object_find( p_dec, VLC_OBJECT_VOUT, FIND_ANYWHERE );
2149 msleep( VOUT_DISPLAY_DELAY );
2154 msg_Warn( p_dec, "no vout found, dropping subpicture" );
2158 if( p_owner->p_spu_vout != p_vout )
2160 vlc_mutex_lock( &p_owner->lock );
2162 DecoderFlushBuffering( p_dec );
2164 vlc_mutex_unlock( &p_owner->lock );
2166 spu_Control( p_vout->p_spu, SPU_CHANNEL_REGISTER,
2167 &p_owner->i_spu_channel );
2168 p_owner->i_spu_order = 0;
2169 p_owner->p_spu_vout = p_vout;
2172 p_subpic = subpicture_New();
2175 p_subpic->i_channel = p_owner->i_spu_channel;
2176 p_subpic->i_order = p_owner->i_spu_order++;
2177 p_subpic->b_subtitle = true;
2180 vlc_object_release( p_vout );
2185 static void spu_del_buffer( decoder_t *p_dec, subpicture_t *p_subpic )
2187 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2188 vout_thread_t *p_vout = NULL;
2190 p_vout = vlc_object_find( p_dec, VLC_OBJECT_VOUT, FIND_ANYWHERE );
2191 if( !p_vout || p_owner->p_spu_vout != p_vout )
2194 vlc_object_release( p_vout );
2195 msg_Warn( p_dec, "no vout found, leaking subpicture" );
2199 subpicture_Delete( p_subpic );
2201 vlc_object_release( p_vout );