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_dialog.h>
44 #include <vlc_modules.h>
46 #include "audio_output/aout_internal.h"
47 #include "stream_output/stream_output.h"
48 #include "input_internal.h"
54 #include "../video_output/vout_control.h"
56 static decoder_t *CreateDecoder( input_thread_t *, es_format_t *, bool,
57 sout_instance_t *p_sout );
58 static void DeleteDecoder( decoder_t * );
60 static void *DecoderThread( vlc_object_t * );
61 static void DecoderProcess( decoder_t *, block_t * );
62 static void DecoderError( decoder_t *p_dec, block_t *p_block );
63 static void DecoderOutputChangePause( decoder_t *, bool b_paused, mtime_t i_date );
64 static void DecoderFlush( decoder_t * );
65 static void DecoderSignalBuffering( decoder_t *, bool );
66 static void DecoderFlushBuffering( decoder_t * );
68 static void DecoderUnsupportedCodec( decoder_t *, vlc_fourcc_t );
70 /* Buffers allocation callbacks for the decoders */
71 static aout_buffer_t *aout_new_buffer( decoder_t *, int );
72 static void aout_del_buffer( decoder_t *, aout_buffer_t * );
74 static picture_t *vout_new_buffer( decoder_t * );
75 static void vout_del_buffer( decoder_t *, picture_t * );
76 static void vout_link_picture( decoder_t *, picture_t * );
77 static void vout_unlink_picture( decoder_t *, picture_t * );
79 static subpicture_t *spu_new_buffer( decoder_t *, const subpicture_updater_t * );
80 static void spu_del_buffer( decoder_t *, subpicture_t * );
82 struct decoder_owner_sys_t
84 int64_t i_preroll_end;
86 input_thread_t *p_input;
87 input_resource_t*p_resource;
88 input_clock_t *p_clock;
91 vout_thread_t *p_spu_vout;
95 sout_instance_t *p_sout;
96 sout_packetizer_input_t *p_sout_input;
98 /* Some decoders require already packetized data (ie. not truncated) */
99 decoder_t *p_packetizer;
102 /* Current format in use by the output */
103 video_format_t video;
104 audio_format_t audio;
108 bool b_fmt_description;
109 es_format_t fmt_description;
110 vlc_meta_t *p_description;
113 block_fifo_t *p_fifo;
115 /* Lock for communication with decoder thread */
117 vlc_cond_t wait_request;
118 vlc_cond_t wait_acknowledge;
120 /* -- These variables need locking on write(only) -- */
121 aout_instance_t *p_aout;
122 aout_input_t *p_aout_input;
124 vout_thread_t *p_vout;
126 /* -- Theses variables need locking on read *and* write -- */
144 picture_t *p_picture;
145 picture_t **pp_picture_next;
147 subpicture_t *p_subpic;
148 subpicture_t **pp_subpic_next;
150 aout_buffer_t *p_audio;
151 aout_buffer_t **pp_audio_next;
154 block_t **pp_block_next;
165 decoder_t *pp_decoder[4];
172 #define DECODER_MAX_BUFFERING_COUNT (4)
173 #define DECODER_MAX_BUFFERING_AUDIO_DURATION (AOUT_MAX_PREPARE_TIME)
174 #define DECODER_MAX_BUFFERING_VIDEO_DURATION (1*CLOCK_FREQ)
176 /* Pictures which are DECODER_BOGUS_VIDEO_DELAY or more in advance probably have
177 * a bogus PTS and won't be displayed */
178 #define DECODER_BOGUS_VIDEO_DELAY ((mtime_t)(DEFAULT_PTS_DELAY * 30))
181 #define DECODER_SPU_VOUT_WAIT_DURATION ((int)(0.200*CLOCK_FREQ))
184 /*****************************************************************************
186 *****************************************************************************/
187 picture_t *decoder_NewPicture( decoder_t *p_decoder )
189 picture_t *p_picture = p_decoder->pf_vout_buffer_new( p_decoder );
191 msg_Warn( p_decoder, "can't get output picture" );
194 void decoder_DeletePicture( decoder_t *p_decoder, picture_t *p_picture )
196 p_decoder->pf_vout_buffer_del( p_decoder, p_picture );
198 void decoder_LinkPicture( decoder_t *p_decoder, picture_t *p_picture )
200 p_decoder->pf_picture_link( p_decoder, p_picture );
202 void decoder_UnlinkPicture( decoder_t *p_decoder, picture_t *p_picture )
204 p_decoder->pf_picture_unlink( p_decoder, p_picture );
207 aout_buffer_t *decoder_NewAudioBuffer( decoder_t *p_decoder, int i_size )
209 if( !p_decoder->pf_aout_buffer_new )
211 return p_decoder->pf_aout_buffer_new( p_decoder, i_size );
213 void decoder_DeleteAudioBuffer( decoder_t *p_decoder, aout_buffer_t *p_buffer )
215 p_decoder->pf_aout_buffer_del( p_decoder, p_buffer );
218 subpicture_t *decoder_NewSubpicture( decoder_t *p_decoder,
219 const subpicture_updater_t *p_dyn )
221 subpicture_t *p_subpicture = p_decoder->pf_spu_buffer_new( p_decoder, p_dyn );
223 msg_Warn( p_decoder, "can't get output subpicture" );
227 void decoder_DeleteSubpicture( decoder_t *p_decoder, subpicture_t *p_subpicture )
229 p_decoder->pf_spu_buffer_del( p_decoder, p_subpicture );
232 /* decoder_GetInputAttachments:
234 int decoder_GetInputAttachments( decoder_t *p_dec,
235 input_attachment_t ***ppp_attachment,
238 if( !p_dec->pf_get_attachments )
241 return p_dec->pf_get_attachments( p_dec, ppp_attachment, pi_attachment );
243 /* decoder_GetDisplayDate:
245 mtime_t decoder_GetDisplayDate( decoder_t *p_dec, mtime_t i_ts )
247 if( !p_dec->pf_get_display_date )
248 return VLC_TS_INVALID;
250 return p_dec->pf_get_display_date( p_dec, i_ts );
252 /* decoder_GetDisplayRate:
254 int decoder_GetDisplayRate( decoder_t *p_dec )
256 if( !p_dec->pf_get_display_rate )
257 return INPUT_RATE_DEFAULT;
259 return p_dec->pf_get_display_rate( p_dec );
263 * Spawns a new decoder thread
265 * \param p_input the input thread
266 * \param p_es the es descriptor
267 * \return the spawned decoder object
269 decoder_t *input_DecoderNew( input_thread_t *p_input,
270 es_format_t *fmt, input_clock_t *p_clock,
271 sout_instance_t *p_sout )
273 decoder_t *p_dec = NULL;
274 const char *psz_type = p_sout ? N_("packetizer") : N_("decoder");
277 /* Create the decoder configuration structure */
278 p_dec = CreateDecoder( p_input, fmt, p_sout != NULL, p_sout );
281 msg_Err( p_input, "could not create %s", psz_type );
282 dialog_Fatal( p_input, _("Streaming / Transcoding failed"),
283 _("VLC could not open the %s module."),
284 vlc_gettext( psz_type ) );
288 if( !p_dec->p_module )
290 DecoderUnsupportedCodec( p_dec, fmt->i_codec );
292 DeleteDecoder( p_dec );
296 p_dec->p_owner->p_clock = p_clock;
297 assert( p_dec->fmt_out.i_cat != UNKNOWN_ES );
299 if( p_dec->fmt_out.i_cat == AUDIO_ES )
300 i_priority = VLC_THREAD_PRIORITY_AUDIO;
302 i_priority = VLC_THREAD_PRIORITY_VIDEO;
304 /* Spawn the decoder thread */
305 if( vlc_thread_create( p_dec, DecoderThread, i_priority ) )
307 msg_Err( p_dec, "cannot spawn decoder thread" );
308 module_unneed( p_dec, p_dec->p_module );
309 DeleteDecoder( p_dec );
317 * Kills a decoder thread and waits until it's finished
319 * \param p_input the input thread
320 * \param p_es the es descriptor
323 void input_DecoderDelete( decoder_t *p_dec )
325 decoder_owner_sys_t *p_owner = p_dec->p_owner;
327 vlc_object_kill( p_dec );
329 /* Make sure we aren't paused/buffering/waiting anymore */
330 vlc_mutex_lock( &p_owner->lock );
331 const bool b_was_paused = p_owner->b_paused;
332 p_owner->b_paused = false;
333 p_owner->b_buffering = false;
334 p_owner->b_flushing = true;
335 vlc_cond_signal( &p_owner->wait_request );
336 vlc_mutex_unlock( &p_owner->lock );
338 vlc_thread_join( p_dec );
339 p_owner->b_paused = b_was_paused;
341 module_unneed( p_dec, p_dec->p_module );
344 if( p_dec->p_owner->cc.b_supported )
347 for( i = 0; i < 4; i++ )
348 input_DecoderSetCcState( p_dec, false, i );
352 DeleteDecoder( p_dec );
356 * Put a block_t in the decoder's fifo.
357 * Thread-safe w.r.t. the decoder. May be a cancellation point.
359 * \param p_dec the decoder object
360 * \param p_block the data block
362 void input_DecoderDecode( decoder_t *p_dec, block_t *p_block, bool b_do_pace )
364 decoder_owner_sys_t *p_owner = p_dec->p_owner;
368 /* The fifo is not consummed when buffering and so will
370 * There is no need to lock as b_buffering is never modify
371 * inside decoder thread. */
372 if( !p_owner->b_buffering )
373 block_FifoPace( p_owner->p_fifo, 10, SIZE_MAX );
376 else if( block_FifoSize( p_owner->p_fifo ) > 50*1024*1024 /* 50 MiB */ )
378 else if( block_FifoSize( p_owner->p_fifo ) > 400*1024*1024 /* 400 MiB, ie ~ 50mb/s for 60s */ )
381 /* FIXME: ideally we would check the time amount of data
382 * in the FIFO instead of its size. */
383 msg_Warn( p_dec, "decoder/packetizer fifo full (data not "
384 "consumed quickly enough), resetting fifo!" );
385 block_FifoEmpty( p_owner->p_fifo );
388 block_FifoPut( p_owner->p_fifo, p_block );
391 bool input_DecoderIsEmpty( decoder_t * p_dec )
393 decoder_owner_sys_t *p_owner = p_dec->p_owner;
394 assert( !p_owner->b_buffering );
396 bool b_empty = block_FifoCount( p_dec->p_owner->p_fifo ) <= 0;
399 vlc_mutex_lock( &p_owner->lock );
400 /* TODO subtitles support */
401 if( p_dec->fmt_out.i_cat == VIDEO_ES && p_owner->p_vout )
402 b_empty = vout_IsEmpty( p_owner->p_vout );
403 else if( p_dec->fmt_out.i_cat == AUDIO_ES && p_owner->p_aout && p_owner->p_aout_input )
404 b_empty = aout_InputIsEmpty( p_owner->p_aout, p_owner->p_aout_input );
405 vlc_mutex_unlock( &p_owner->lock );
410 void input_DecoderIsCcPresent( decoder_t *p_dec, bool pb_present[4] )
412 decoder_owner_sys_t *p_owner = p_dec->p_owner;
415 vlc_mutex_lock( &p_owner->lock );
416 for( i = 0; i < 4; i++ )
417 pb_present[i] = p_owner->cc.pb_present[i];
418 vlc_mutex_unlock( &p_owner->lock );
420 int input_DecoderSetCcState( decoder_t *p_dec, bool b_decode, int i_channel )
422 decoder_owner_sys_t *p_owner = p_dec->p_owner;
424 //msg_Warn( p_dec, "input_DecoderSetCcState: %d @%d", b_decode, i_channel );
426 if( i_channel < 0 || i_channel >= 4 || !p_owner->cc.pb_present[i_channel] )
431 static const vlc_fourcc_t fcc[4] = {
432 VLC_FOURCC('c', 'c', '1', ' '),
433 VLC_FOURCC('c', 'c', '2', ' '),
434 VLC_FOURCC('c', 'c', '3', ' '),
435 VLC_FOURCC('c', 'c', '4', ' '),
440 es_format_Init( &fmt, SPU_ES, fcc[i_channel] );
441 p_cc = CreateDecoder( p_owner->p_input, &fmt, false, p_owner->p_sout );
444 msg_Err( p_dec, "could not create decoder" );
445 dialog_Fatal( p_dec, _("Streaming / Transcoding failed"), "%s",
446 _("VLC could not open the decoder module.") );
449 else if( !p_cc->p_module )
451 DecoderUnsupportedCodec( p_dec, fcc[i_channel] );
452 DeleteDecoder( p_cc );
455 p_cc->p_owner->p_clock = p_owner->p_clock;
457 vlc_mutex_lock( &p_owner->lock );
458 p_owner->cc.pp_decoder[i_channel] = p_cc;
459 vlc_mutex_unlock( &p_owner->lock );
465 vlc_mutex_lock( &p_owner->lock );
466 p_cc = p_owner->cc.pp_decoder[i_channel];
467 p_owner->cc.pp_decoder[i_channel] = NULL;
468 vlc_mutex_unlock( &p_owner->lock );
472 vlc_object_kill( p_cc );
473 module_unneed( p_cc, p_cc->p_module );
474 DeleteDecoder( p_cc );
479 int input_DecoderGetCcState( decoder_t *p_dec, bool *pb_decode, int i_channel )
481 decoder_owner_sys_t *p_owner = p_dec->p_owner;
484 if( i_channel < 0 || i_channel >= 4 || !p_owner->cc.pb_present[i_channel] )
487 vlc_mutex_lock( &p_owner->lock );
488 *pb_decode = p_owner->cc.pp_decoder[i_channel] != NULL;
489 vlc_mutex_unlock( &p_owner->lock );
493 void input_DecoderChangePause( decoder_t *p_dec, bool b_paused, mtime_t i_date )
495 decoder_owner_sys_t *p_owner = p_dec->p_owner;
497 vlc_mutex_lock( &p_owner->lock );
499 assert( !p_owner->b_paused || !b_paused );
501 p_owner->b_paused = b_paused;
502 p_owner->pause.i_date = i_date;
503 p_owner->pause.i_ignore = 0;
504 vlc_cond_signal( &p_owner->wait_request );
506 DecoderOutputChangePause( p_dec, b_paused, i_date );
508 vlc_mutex_unlock( &p_owner->lock );
511 void input_DecoderChangeDelay( decoder_t *p_dec, mtime_t i_delay )
513 decoder_owner_sys_t *p_owner = p_dec->p_owner;
515 vlc_mutex_lock( &p_owner->lock );
516 p_owner->i_ts_delay = i_delay;
517 vlc_mutex_unlock( &p_owner->lock );
520 void input_DecoderStartBuffering( decoder_t *p_dec )
522 decoder_owner_sys_t *p_owner = p_dec->p_owner;
524 vlc_mutex_lock( &p_owner->lock );
526 DecoderFlush( p_dec );
528 p_owner->buffer.b_first = true;
529 p_owner->buffer.b_full = false;
530 p_owner->buffer.i_count = 0;
532 assert( !p_owner->buffer.p_picture && !p_owner->buffer.p_subpic &&
533 !p_owner->buffer.p_audio && !p_owner->buffer.p_block );
535 p_owner->buffer.p_picture = NULL;
536 p_owner->buffer.pp_picture_next = &p_owner->buffer.p_picture;
538 p_owner->buffer.p_subpic = NULL;
539 p_owner->buffer.pp_subpic_next = &p_owner->buffer.p_subpic;
541 p_owner->buffer.p_audio = NULL;
542 p_owner->buffer.pp_audio_next = &p_owner->buffer.p_audio;
544 p_owner->buffer.p_block = NULL;
545 p_owner->buffer.pp_block_next = &p_owner->buffer.p_block;
548 p_owner->b_buffering = true;
550 vlc_cond_signal( &p_owner->wait_request );
552 vlc_mutex_unlock( &p_owner->lock );
555 void input_DecoderStopBuffering( decoder_t *p_dec )
557 decoder_owner_sys_t *p_owner = p_dec->p_owner;
559 vlc_mutex_lock( &p_owner->lock );
561 p_owner->b_buffering = false;
563 vlc_cond_signal( &p_owner->wait_request );
565 vlc_mutex_unlock( &p_owner->lock );
568 void input_DecoderWaitBuffering( decoder_t *p_dec )
570 decoder_owner_sys_t *p_owner = p_dec->p_owner;
572 vlc_mutex_lock( &p_owner->lock );
574 while( vlc_object_alive( p_dec ) && p_owner->b_buffering && !p_owner->buffer.b_full )
576 block_FifoWake( p_owner->p_fifo );
577 vlc_cond_wait( &p_owner->wait_acknowledge, &p_owner->lock );
580 vlc_mutex_unlock( &p_owner->lock );
583 void input_DecoderFrameNext( decoder_t *p_dec, mtime_t *pi_duration )
585 decoder_owner_sys_t *p_owner = p_dec->p_owner;
589 vlc_mutex_lock( &p_owner->lock );
590 if( p_dec->fmt_out.i_cat == VIDEO_ES )
592 if( p_owner->b_paused && p_owner->p_vout )
594 vout_NextPicture( p_owner->p_vout, pi_duration );
595 p_owner->pause.i_ignore++;
596 vlc_cond_signal( &p_owner->wait_request );
601 /* TODO subtitle should not be flushed */
602 DecoderFlush( p_dec );
604 vlc_mutex_unlock( &p_owner->lock );
607 bool input_DecoderHasFormatChanged( decoder_t *p_dec, es_format_t *p_fmt, vlc_meta_t **pp_meta )
609 decoder_owner_sys_t *p_owner = p_dec->p_owner;
612 vlc_mutex_lock( &p_owner->lock );
613 b_changed = p_owner->b_fmt_description;
617 es_format_Copy( p_fmt, &p_owner->fmt_description );
622 if( p_owner->p_description )
624 *pp_meta = vlc_meta_New();
626 vlc_meta_Merge( *pp_meta, p_owner->p_description );
629 p_owner->b_fmt_description = false;
631 vlc_mutex_unlock( &p_owner->lock );
635 size_t input_DecoderGetFifoSize( decoder_t *p_dec )
637 decoder_owner_sys_t *p_owner = p_dec->p_owner;
639 return block_FifoSize( p_owner->p_fifo );
642 void input_DecoderGetObjects( decoder_t *p_dec,
643 vout_thread_t **pp_vout, aout_instance_t **pp_aout )
645 decoder_owner_sys_t *p_owner = p_dec->p_owner;
647 vlc_mutex_lock( &p_owner->lock );
649 *pp_vout = p_owner->p_vout ? vlc_object_hold( p_owner->p_vout ) : NULL;
651 *pp_aout = p_owner->p_aout ? vlc_object_hold( p_owner->p_aout ) : NULL;
652 vlc_mutex_unlock( &p_owner->lock );
655 /*****************************************************************************
657 *****************************************************************************/
658 static int DecoderGetInputAttachments( decoder_t *p_dec,
659 input_attachment_t ***ppp_attachment,
662 input_thread_t *p_input = p_dec->p_owner->p_input;
664 if( unlikely(p_input == NULL) )
666 return input_Control( p_input, INPUT_GET_ATTACHMENTS,
667 ppp_attachment, pi_attachment );
669 static mtime_t DecoderGetDisplayDate( decoder_t *p_dec, mtime_t i_ts )
671 decoder_owner_sys_t *p_owner = p_dec->p_owner;
673 vlc_mutex_lock( &p_owner->lock );
674 if( p_owner->b_buffering || p_owner->b_paused )
675 i_ts = VLC_TS_INVALID;
676 vlc_mutex_unlock( &p_owner->lock );
678 if( !p_owner->p_clock || i_ts <= VLC_TS_INVALID )
681 if( input_clock_ConvertTS( p_owner->p_clock, NULL, &i_ts, NULL, INT64_MAX ) )
682 return VLC_TS_INVALID;
686 static int DecoderGetDisplayRate( decoder_t *p_dec )
688 decoder_owner_sys_t *p_owner = p_dec->p_owner;
690 if( !p_owner->p_clock )
691 return INPUT_RATE_DEFAULT;
692 return input_clock_GetRate( p_owner->p_clock );
696 static void DecoderUnsupportedCodec( decoder_t *p_dec, vlc_fourcc_t codec )
698 msg_Err( p_dec, "no suitable decoder module for fourcc `%4.4s'. "
699 "VLC probably does not support this sound or video format.",
701 dialog_Fatal( p_dec, _("No suitable decoder module"),
702 _("VLC does not support the audio or video format \"%4.4s\". "
703 "Unfortunately there is no way for you to fix this."),
709 * Create a decoder object
711 * \param p_input the input thread
712 * \param p_es the es descriptor
713 * \param b_packetizer instead of a decoder
714 * \return the decoder object
716 static decoder_t * CreateDecoder( input_thread_t *p_input,
717 es_format_t *fmt, bool b_packetizer,
718 sout_instance_t *p_sout )
721 decoder_owner_sys_t *p_owner;
722 es_format_t null_es_format;
724 p_dec = vlc_custom_create( p_input, sizeof( *p_dec ), VLC_OBJECT_DECODER,
729 p_dec->pf_decode_audio = NULL;
730 p_dec->pf_decode_video = NULL;
731 p_dec->pf_decode_sub = NULL;
732 p_dec->pf_get_cc = NULL;
733 p_dec->pf_packetize = NULL;
735 /* Initialize the decoder */
736 p_dec->p_module = NULL;
738 memset( &null_es_format, 0, sizeof(es_format_t) );
739 es_format_Copy( &p_dec->fmt_in, fmt );
740 es_format_Copy( &p_dec->fmt_out, &null_es_format );
742 p_dec->p_description = NULL;
744 /* Allocate our private structure for the decoder */
745 p_dec->p_owner = p_owner = malloc( sizeof( decoder_owner_sys_t ) );
746 if( unlikely(p_owner == NULL) )
748 vlc_object_release( p_dec );
751 p_owner->i_preroll_end = VLC_TS_INVALID;
752 p_owner->i_last_rate = INPUT_RATE_DEFAULT;
753 p_owner->p_input = p_input;
754 p_owner->p_resource = p_input->p->p_resource;
755 p_owner->p_aout = NULL;
756 p_owner->p_aout_input = NULL;
757 p_owner->p_vout = NULL;
758 p_owner->p_spu_vout = NULL;
759 p_owner->i_spu_channel = 0;
760 p_owner->i_spu_order = 0;
761 p_owner->p_sout = p_sout;
762 p_owner->p_sout_input = NULL;
763 p_owner->p_packetizer = NULL;
764 p_owner->b_packetizer = b_packetizer;
767 p_owner->p_fifo = block_FifoNew();
768 if( unlikely(p_owner->p_fifo == NULL) )
771 vlc_object_release( p_dec );
775 /* Set buffers allocation callbacks for the decoders */
776 p_dec->pf_aout_buffer_new = aout_new_buffer;
777 p_dec->pf_aout_buffer_del = aout_del_buffer;
778 p_dec->pf_vout_buffer_new = vout_new_buffer;
779 p_dec->pf_vout_buffer_del = vout_del_buffer;
780 p_dec->pf_picture_link = vout_link_picture;
781 p_dec->pf_picture_unlink = vout_unlink_picture;
782 p_dec->pf_spu_buffer_new = spu_new_buffer;
783 p_dec->pf_spu_buffer_del = spu_del_buffer;
785 p_dec->pf_get_attachments = DecoderGetInputAttachments;
786 p_dec->pf_get_display_date = DecoderGetDisplayDate;
787 p_dec->pf_get_display_rate = DecoderGetDisplayRate;
789 vlc_object_attach( p_dec, p_input );
791 /* Find a suitable decoder/packetizer module */
793 p_dec->p_module = module_need( p_dec, "decoder", "$codec", false );
795 p_dec->p_module = module_need( p_dec, "packetizer", "$packetizer", false );
797 /* Check if decoder requires already packetized data */
799 p_dec->b_need_packetized && !p_dec->fmt_in.b_packetized )
801 p_owner->p_packetizer =
802 vlc_custom_create( p_input, sizeof( decoder_t ),
803 VLC_OBJECT_DECODER, "packetizer" );
804 if( p_owner->p_packetizer )
806 es_format_Copy( &p_owner->p_packetizer->fmt_in,
809 es_format_Copy( &p_owner->p_packetizer->fmt_out,
812 vlc_object_attach( p_owner->p_packetizer, p_input );
814 p_owner->p_packetizer->p_module =
815 module_need( p_owner->p_packetizer,
816 "packetizer", "$packetizer", false );
818 if( !p_owner->p_packetizer->p_module )
820 es_format_Clean( &p_owner->p_packetizer->fmt_in );
821 vlc_object_release( p_owner->p_packetizer );
826 /* Copy ourself the input replay gain */
827 if( fmt->i_cat == AUDIO_ES )
829 for( unsigned i = 0; i < AUDIO_REPLAY_GAIN_MAX; i++ )
831 if( !p_dec->fmt_out.audio_replay_gain.pb_peak[i] )
833 p_dec->fmt_out.audio_replay_gain.pb_peak[i] = fmt->audio_replay_gain.pb_peak[i];
834 p_dec->fmt_out.audio_replay_gain.pf_peak[i] = fmt->audio_replay_gain.pf_peak[i];
836 if( !p_dec->fmt_out.audio_replay_gain.pb_gain[i] )
838 p_dec->fmt_out.audio_replay_gain.pb_gain[i] = fmt->audio_replay_gain.pb_gain[i];
839 p_dec->fmt_out.audio_replay_gain.pf_gain[i] = fmt->audio_replay_gain.pf_gain[i];
845 vlc_mutex_init( &p_owner->lock );
846 vlc_cond_init( &p_owner->wait_request );
847 vlc_cond_init( &p_owner->wait_acknowledge );
849 p_owner->b_fmt_description = false;
850 es_format_Init( &p_owner->fmt_description, UNKNOWN_ES, 0 );
851 p_owner->p_description = NULL;
853 p_owner->b_paused = false;
854 p_owner->pause.i_date = VLC_TS_INVALID;
855 p_owner->pause.i_ignore = 0;
857 p_owner->b_buffering = false;
858 p_owner->buffer.b_first = true;
859 p_owner->buffer.b_full = false;
860 p_owner->buffer.i_count = 0;
861 p_owner->buffer.p_picture = NULL;
862 p_owner->buffer.p_subpic = NULL;
863 p_owner->buffer.p_audio = NULL;
864 p_owner->buffer.p_block = NULL;
866 p_owner->b_flushing = false;
869 p_owner->cc.b_supported = false;
872 if( p_owner->p_packetizer && p_owner->p_packetizer->pf_get_cc )
873 p_owner->cc.b_supported = true;
874 if( p_dec->pf_get_cc )
875 p_owner->cc.b_supported = true;
878 for( unsigned i = 0; i < 4; i++ )
880 p_owner->cc.pb_present[i] = false;
881 p_owner->cc.pp_decoder[i] = NULL;
883 p_owner->i_ts_delay = 0;
888 * The decoding main loop
890 * \param p_dec the decoder
892 static void *DecoderThread( vlc_object_t *p_this )
894 decoder_t *p_dec = (decoder_t *)p_this;
895 decoder_owner_sys_t *p_owner = p_dec->p_owner;
897 /* The decoder's main loop */
900 block_t *p_block = block_FifoGet( p_owner->p_fifo );
902 /* Make sure there is no cancellation point other than this one^^.
903 * If you need one, be sure to push cleanup of p_block. */
904 DecoderSignalBuffering( p_dec, p_block == NULL );
908 int canc = vlc_savecancel();
911 DecoderError( p_dec, p_block );
913 DecoderProcess( p_dec, p_block );
915 vlc_restorecancel( canc );
921 static block_t *DecoderBlockFlushNew()
923 block_t *p_null = block_Alloc( 128 );
927 p_null->i_flags |= BLOCK_FLAG_DISCONTINUITY |
928 BLOCK_FLAG_CORRUPTED |
929 BLOCK_FLAG_CORE_FLUSH;
930 memset( p_null->p_buffer, 0, p_null->i_buffer );
935 static void DecoderFlush( decoder_t *p_dec )
937 decoder_owner_sys_t *p_owner = p_dec->p_owner;
939 vlc_assert_locked( &p_owner->lock );
942 block_FifoEmpty( p_owner->p_fifo );
944 /* Monitor for flush end */
945 p_owner->b_flushing = true;
946 vlc_cond_signal( &p_owner->wait_request );
948 /* Send a special block */
949 block_t *p_null = DecoderBlockFlushNew();
952 input_DecoderDecode( p_dec, p_null, false );
955 while( vlc_object_alive( p_dec ) && p_owner->b_flushing )
956 vlc_cond_wait( &p_owner->wait_acknowledge, &p_owner->lock );
959 static void DecoderSignalBuffering( decoder_t *p_dec, bool b_full )
961 decoder_owner_sys_t *p_owner = p_dec->p_owner;
963 vlc_mutex_lock( &p_owner->lock );
965 if( p_owner->b_buffering )
968 p_owner->buffer.b_full = true;
969 vlc_cond_signal( &p_owner->wait_acknowledge );
972 vlc_mutex_unlock( &p_owner->lock );
975 static bool DecoderIsFlushing( decoder_t *p_dec )
977 decoder_owner_sys_t *p_owner = p_dec->p_owner;
980 vlc_mutex_lock( &p_owner->lock );
982 b_flushing = p_owner->b_flushing;
984 vlc_mutex_unlock( &p_owner->lock );
989 static void DecoderWaitUnblock( decoder_t *p_dec, bool *pb_reject )
991 decoder_owner_sys_t *p_owner = p_dec->p_owner;
993 vlc_assert_locked( &p_owner->lock );
995 while( !p_owner->b_flushing )
997 if( p_owner->b_paused )
999 if( p_owner->b_buffering && !p_owner->buffer.b_full )
1001 if( p_owner->pause.i_ignore > 0 )
1003 p_owner->pause.i_ignore--;
1009 if( !p_owner->b_buffering || !p_owner->buffer.b_full )
1012 vlc_cond_wait( &p_owner->wait_request, &p_owner->lock );
1016 *pb_reject = p_owner->b_flushing;
1019 static void DecoderOutputChangePause( decoder_t *p_dec, bool b_paused, mtime_t i_date )
1021 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1023 vlc_assert_locked( &p_owner->lock );
1025 /* XXX only audio and video output have to be paused.
1026 * - for sout it is useless
1027 * - for subs, it is done by the vout
1029 if( p_dec->fmt_out.i_cat == AUDIO_ES )
1031 if( p_owner->p_aout && p_owner->p_aout_input )
1032 aout_DecChangePause( p_owner->p_aout, p_owner->p_aout_input,
1035 else if( p_dec->fmt_out.i_cat == VIDEO_ES )
1037 if( p_owner->p_vout )
1038 vout_ChangePause( p_owner->p_vout, b_paused, i_date );
1041 static inline void DecoderUpdatePreroll( int64_t *pi_preroll, const block_t *p )
1043 if( p->i_flags & (BLOCK_FLAG_PREROLL|BLOCK_FLAG_DISCONTINUITY) )
1044 *pi_preroll = INT64_MAX;
1045 else if( p->i_dts > VLC_TS_INVALID )
1046 *pi_preroll = __MIN( *pi_preroll, p->i_dts );
1047 else if( p->i_pts > VLC_TS_INVALID )
1048 *pi_preroll = __MIN( *pi_preroll, p->i_pts );
1051 static mtime_t DecoderTeletextFixTs( mtime_t i_ts )
1053 mtime_t current_date = mdate();
1055 /* FIXME I don't really like that, es_out SHOULD do it using the video pts */
1056 if( i_ts <= VLC_TS_INVALID || i_ts > current_date + 10000000 || i_ts < current_date )
1058 /* ETSI EN 300 472 Annex A : do not take into account the PTS
1059 * for teletext streams. */
1060 return current_date + 400000;
1065 static void DecoderFixTs( decoder_t *p_dec, mtime_t *pi_ts0, mtime_t *pi_ts1,
1066 mtime_t *pi_duration, int *pi_rate, mtime_t i_ts_bound, bool b_telx )
1068 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1069 input_clock_t *p_clock = p_owner->p_clock;
1071 vlc_assert_locked( &p_owner->lock );
1073 const mtime_t i_es_delay = p_owner->i_ts_delay;
1077 const bool b_ephemere = pi_ts1 && *pi_ts0 == *pi_ts1;
1080 if( *pi_ts0 > VLC_TS_INVALID )
1082 *pi_ts0 += i_es_delay;
1083 if( pi_ts1 && *pi_ts1 > VLC_TS_INVALID )
1084 *pi_ts1 += i_es_delay;
1085 if( input_clock_ConvertTS( p_clock, &i_rate, pi_ts0, pi_ts1, i_ts_bound ) )
1086 *pi_ts0 = VLC_TS_INVALID;
1090 i_rate = input_clock_GetRate( p_clock );
1093 /* Do not create ephemere data because of rounding errors */
1094 if( !b_ephemere && pi_ts1 && *pi_ts0 == *pi_ts1 )
1098 *pi_duration = ( *pi_duration * i_rate +
1099 INPUT_RATE_DEFAULT-1 ) / INPUT_RATE_DEFAULT;
1106 *pi_ts0 = DecoderTeletextFixTs( *pi_ts0 );
1107 if( pi_ts1 && *pi_ts1 <= VLC_TS_INVALID )
1114 * If *pb_reject, it does nothing, otherwise it waits for the given
1115 * deadline or a flush request (in which case it set *pi_reject to true.
1117 static void DecoderWaitDate( decoder_t *p_dec,
1118 bool *pb_reject, mtime_t i_deadline )
1120 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1122 if( *pb_reject || i_deadline < 0 )
1127 vlc_mutex_lock( &p_owner->lock );
1128 if( p_owner->b_flushing || p_dec->b_die )
1131 vlc_mutex_unlock( &p_owner->lock );
1134 int i_ret = vlc_cond_timedwait( &p_owner->wait_request, &p_owner->lock,
1136 vlc_mutex_unlock( &p_owner->lock );
1142 static void DecoderPlayAudio( decoder_t *p_dec, aout_buffer_t *p_audio,
1143 int *pi_played_sum, int *pi_lost_sum )
1145 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1146 aout_instance_t *p_aout = p_owner->p_aout;
1147 aout_input_t *p_aout_input = p_owner->p_aout_input;
1150 if( p_audio->i_pts <= VLC_TS_INVALID ) // FIXME --VLC_TS_INVALID verify audio_output/*
1152 msg_Warn( p_dec, "non-dated audio buffer received" );
1154 aout_BufferFree( p_audio );
1159 vlc_mutex_lock( &p_owner->lock );
1161 if( p_owner->b_buffering || p_owner->buffer.p_audio )
1163 p_audio->p_next = NULL;
1165 *p_owner->buffer.pp_audio_next = p_audio;
1166 p_owner->buffer.pp_audio_next = &p_audio->p_next;
1168 p_owner->buffer.i_count++;
1169 if( p_owner->buffer.i_count > DECODER_MAX_BUFFERING_COUNT ||
1170 p_audio->i_pts - p_owner->buffer.p_audio->i_pts > DECODER_MAX_BUFFERING_AUDIO_DURATION )
1172 p_owner->buffer.b_full = true;
1173 vlc_cond_signal( &p_owner->wait_acknowledge );
1179 bool b_has_more = false;
1181 DecoderWaitUnblock( p_dec, &b_reject );
1183 if( p_owner->b_buffering )
1185 vlc_mutex_unlock( &p_owner->lock );
1190 if( p_owner->buffer.p_audio )
1192 p_audio = p_owner->buffer.p_audio;
1194 p_owner->buffer.p_audio = p_audio->p_next;
1195 p_owner->buffer.i_count--;
1197 b_has_more = p_owner->buffer.p_audio != NULL;
1199 p_owner->buffer.pp_audio_next = &p_owner->buffer.p_audio;
1203 const bool b_dated = p_audio->i_pts > VLC_TS_INVALID;
1204 int i_rate = INPUT_RATE_DEFAULT;
1206 DecoderFixTs( p_dec, &p_audio->i_pts, NULL, &p_audio->i_length,
1207 &i_rate, AOUT_MAX_ADVANCE_TIME, false );
1209 vlc_mutex_unlock( &p_owner->lock );
1211 if( !p_aout || !p_aout_input ||
1212 p_audio->i_pts <= VLC_TS_INVALID ||
1213 i_rate < INPUT_RATE_DEFAULT/AOUT_MAX_INPUT_RATE ||
1214 i_rate > INPUT_RATE_DEFAULT*AOUT_MAX_INPUT_RATE )
1217 DecoderWaitDate( p_dec, &b_reject,
1218 p_audio->i_pts - AOUT_MAX_PREPARE_TIME );
1222 if( !aout_DecPlay( p_aout, p_aout_input, p_audio, i_rate ) )
1223 *pi_played_sum += 1;
1224 *pi_lost_sum += aout_DecGetResetLost( p_aout, p_aout_input );
1229 msg_Warn( p_dec, "received buffer in the future" );
1231 msg_Warn( p_dec, "non-dated audio buffer received" );
1234 aout_BufferFree( p_audio );
1240 vlc_mutex_lock( &p_owner->lock );
1241 if( !p_owner->buffer.p_audio )
1243 vlc_mutex_unlock( &p_owner->lock );
1249 static void DecoderDecodeAudio( decoder_t *p_dec, block_t *p_block )
1251 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1252 aout_buffer_t *p_aout_buf;
1257 while( (p_aout_buf = p_dec->pf_decode_audio( p_dec, &p_block )) )
1259 aout_instance_t *p_aout = p_owner->p_aout;
1260 aout_input_t *p_aout_input = p_owner->p_aout_input;
1264 /* It prevent freezing VLC in case of broken decoder */
1265 aout_DecDeleteBuffer( p_aout, p_aout_input, p_aout_buf );
1267 block_Release( p_block );
1272 if( p_owner->i_preroll_end > VLC_TS_INVALID &&
1273 p_aout_buf->i_pts < p_owner->i_preroll_end )
1275 aout_DecDeleteBuffer( p_aout, p_aout_input, p_aout_buf );
1279 if( p_owner->i_preroll_end > VLC_TS_INVALID )
1281 msg_Dbg( p_dec, "End of audio preroll" );
1282 if( p_owner->p_aout && p_owner->p_aout_input )
1283 aout_DecFlush( p_owner->p_aout, p_owner->p_aout_input );
1285 p_owner->i_preroll_end = VLC_TS_INVALID;
1288 DecoderPlayAudio( p_dec, p_aout_buf, &i_played, &i_lost );
1291 /* Update ugly stat */
1292 input_thread_t *p_input = p_owner->p_input;
1294 if( p_input != NULL && (i_decoded > 0 || i_lost > 0 || i_played > 0) )
1296 vlc_mutex_lock( &p_input->p->counters.counters_lock);
1298 stats_UpdateInteger( p_dec, p_input->p->counters.p_lost_abuffers,
1300 stats_UpdateInteger( p_dec, p_input->p->counters.p_played_abuffers,
1302 stats_UpdateInteger( p_dec, p_input->p->counters.p_decoded_audio,
1305 vlc_mutex_unlock( &p_input->p->counters.counters_lock);
1308 static void DecoderGetCc( decoder_t *p_dec, decoder_t *p_dec_cc )
1310 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1313 bool b_processed = false;
1317 assert( p_dec_cc->pf_get_cc != NULL );
1319 /* Do not try retreiving CC if not wanted (sout) or cannot be retreived */
1320 if( !p_owner->cc.b_supported )
1323 p_cc = p_dec_cc->pf_get_cc( p_dec_cc, pb_present );
1327 vlc_mutex_lock( &p_owner->lock );
1328 for( i = 0, i_cc_decoder = 0; i < 4; i++ )
1330 p_owner->cc.pb_present[i] |= pb_present[i];
1331 if( p_owner->cc.pp_decoder[i] )
1335 for( i = 0; i < 4; i++ )
1337 if( !p_owner->cc.pp_decoder[i] )
1340 if( i_cc_decoder > 1 )
1341 DecoderProcess( p_owner->cc.pp_decoder[i], block_Duplicate( p_cc ) );
1343 DecoderProcess( p_owner->cc.pp_decoder[i], p_cc );
1347 vlc_mutex_unlock( &p_owner->lock );
1350 block_Release( p_cc );
1353 static void DecoderPlayVideo( decoder_t *p_dec, picture_t *p_picture,
1354 int *pi_played_sum, int *pi_lost_sum )
1356 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1357 vout_thread_t *p_vout = p_owner->p_vout;
1358 bool b_first_buffered;
1360 if( p_picture->date <= VLC_TS_INVALID )
1362 msg_Warn( p_dec, "non-dated video buffer received" );
1364 vout_ReleasePicture( p_vout, p_picture );
1369 vlc_mutex_lock( &p_owner->lock );
1371 if( ( p_owner->b_buffering && !p_owner->buffer.b_first ) || p_owner->buffer.p_picture )
1373 p_picture->p_next = NULL;
1375 *p_owner->buffer.pp_picture_next = p_picture;
1376 p_owner->buffer.pp_picture_next = &p_picture->p_next;
1378 p_owner->buffer.i_count++;
1379 if( p_owner->buffer.i_count > DECODER_MAX_BUFFERING_COUNT ||
1380 p_picture->date - p_owner->buffer.p_picture->date > DECODER_MAX_BUFFERING_VIDEO_DURATION )
1382 p_owner->buffer.b_full = true;
1383 vlc_cond_signal( &p_owner->wait_acknowledge );
1386 b_first_buffered = p_owner->buffer.p_picture != NULL;
1388 for( ;; b_first_buffered = false )
1390 bool b_has_more = false;
1394 DecoderWaitUnblock( p_dec, &b_reject );
1396 if( p_owner->b_buffering && !p_owner->buffer.b_first )
1398 vlc_mutex_unlock( &p_owner->lock );
1401 bool b_buffering_first = p_owner->b_buffering;
1404 if( p_owner->buffer.p_picture )
1406 p_picture = p_owner->buffer.p_picture;
1408 p_owner->buffer.p_picture = p_picture->p_next;
1409 p_owner->buffer.i_count--;
1411 b_has_more = p_owner->buffer.p_picture != NULL;
1413 p_owner->buffer.pp_picture_next = &p_owner->buffer.p_picture;
1417 if( b_buffering_first )
1419 assert( p_owner->buffer.b_first );
1420 assert( !p_owner->buffer.i_count );
1421 msg_Dbg( p_dec, "Received first picture" );
1422 p_owner->buffer.b_first = false;
1423 p_picture->b_force = true;
1426 const bool b_dated = p_picture->date > VLC_TS_INVALID;
1427 int i_rate = INPUT_RATE_DEFAULT;
1428 DecoderFixTs( p_dec, &p_picture->date, NULL, NULL,
1429 &i_rate, DECODER_BOGUS_VIDEO_DELAY, false );
1431 vlc_mutex_unlock( &p_owner->lock );
1434 if( !p_picture->b_force && p_picture->date <= VLC_TS_INVALID ) // FIXME --VLC_TS_INVALID verify video_output/*
1439 if( i_rate != p_owner->i_last_rate || b_first_buffered )
1441 /* Be sure to not display old picture after our own */
1442 vout_Flush( p_vout, p_picture->date );
1443 p_owner->i_last_rate = i_rate;
1445 vout_PutPicture( p_vout, p_picture );
1450 msg_Warn( p_dec, "early picture skipped" );
1452 msg_Warn( p_dec, "non-dated video buffer received" );
1455 vout_ReleasePicture( p_vout, p_picture );
1459 vout_GetResetStatistic( p_vout, &i_tmp_display, &i_tmp_lost );
1461 *pi_played_sum += i_tmp_display;
1462 *pi_lost_sum += i_tmp_lost;
1464 if( !b_has_more || b_buffering_first )
1467 vlc_mutex_lock( &p_owner->lock );
1468 if( !p_owner->buffer.p_picture )
1470 vlc_mutex_unlock( &p_owner->lock );
1476 static void DecoderDecodeVideo( decoder_t *p_dec, block_t *p_block )
1478 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1482 int i_displayed = 0;
1484 while( (p_pic = p_dec->pf_decode_video( p_dec, &p_block )) )
1486 vout_thread_t *p_vout = p_owner->p_vout;
1489 /* It prevent freezing VLC in case of broken decoder */
1490 vout_ReleasePicture( p_vout, p_pic );
1492 block_Release( p_block );
1498 if( p_owner->i_preroll_end > VLC_TS_INVALID && p_pic->date < p_owner->i_preroll_end )
1500 vout_ReleasePicture( p_vout, p_pic );
1504 if( p_owner->i_preroll_end > VLC_TS_INVALID )
1506 msg_Dbg( p_dec, "End of video preroll" );
1508 vout_Flush( p_vout, VLC_TS_INVALID+1 );
1510 p_owner->i_preroll_end = VLC_TS_INVALID;
1513 if( p_dec->pf_get_cc &&
1514 ( !p_owner->p_packetizer || !p_owner->p_packetizer->pf_get_cc ) )
1515 DecoderGetCc( p_dec, p_dec );
1517 DecoderPlayVideo( p_dec, p_pic, &i_displayed, &i_lost );
1520 /* Update ugly stat */
1521 input_thread_t *p_input = p_owner->p_input;
1523 if( p_input != NULL && (i_decoded > 0 || i_lost > 0 || i_displayed > 0) )
1525 vlc_mutex_lock( &p_input->p->counters.counters_lock );
1527 stats_UpdateInteger( p_dec, p_input->p->counters.p_decoded_video,
1529 stats_UpdateInteger( p_dec, p_input->p->counters.p_lost_pictures,
1532 stats_UpdateInteger( p_dec, p_input->p->counters.p_displayed_pictures,
1535 vlc_mutex_unlock( &p_input->p->counters.counters_lock );
1539 static void DecoderPlaySpu( decoder_t *p_dec, subpicture_t *p_subpic,
1542 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1543 vout_thread_t *p_vout = p_owner->p_spu_vout;
1546 if( p_subpic->i_start <= VLC_TS_INVALID && !b_telx )
1548 msg_Warn( p_dec, "non-dated spu buffer received" );
1549 subpicture_Delete( p_subpic );
1554 vlc_mutex_lock( &p_owner->lock );
1556 if( p_owner->b_buffering || p_owner->buffer.p_subpic )
1558 p_subpic->p_next = NULL;
1560 *p_owner->buffer.pp_subpic_next = p_subpic;
1561 p_owner->buffer.pp_subpic_next = &p_subpic->p_next;
1563 p_owner->buffer.i_count++;
1564 /* XXX it is important to be full after the first one */
1565 if( p_owner->buffer.i_count > 0 )
1567 p_owner->buffer.b_full = true;
1568 vlc_cond_signal( &p_owner->wait_acknowledge );
1574 bool b_has_more = false;
1576 DecoderWaitUnblock( p_dec, &b_reject );
1578 if( p_owner->b_buffering )
1580 vlc_mutex_unlock( &p_owner->lock );
1585 if( p_owner->buffer.p_subpic )
1587 p_subpic = p_owner->buffer.p_subpic;
1589 p_owner->buffer.p_subpic = p_subpic->p_next;
1590 p_owner->buffer.i_count--;
1592 b_has_more = p_owner->buffer.p_subpic != NULL;
1594 p_owner->buffer.pp_subpic_next = &p_owner->buffer.p_subpic;
1598 DecoderFixTs( p_dec, &p_subpic->i_start, &p_subpic->i_stop, NULL,
1599 NULL, INT64_MAX, b_telx );
1601 vlc_mutex_unlock( &p_owner->lock );
1603 if( p_subpic->i_start <= VLC_TS_INVALID )
1606 DecoderWaitDate( p_dec, &b_reject,
1607 p_subpic->i_start - SPU_MAX_PREPARE_TIME );
1610 vout_PutSubpicture( p_vout, p_subpic );
1612 subpicture_Delete( p_subpic );
1616 vlc_mutex_lock( &p_owner->lock );
1617 if( !p_owner->buffer.p_subpic )
1619 vlc_mutex_unlock( &p_owner->lock );
1626 static void DecoderPlaySout( decoder_t *p_dec, block_t *p_sout_block,
1629 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1631 assert( p_owner->p_clock );
1632 assert( !p_sout_block->p_next );
1634 vlc_mutex_lock( &p_owner->lock );
1636 if( p_owner->b_buffering || p_owner->buffer.p_block )
1638 block_ChainLastAppend( &p_owner->buffer.pp_block_next, p_sout_block );
1640 p_owner->buffer.i_count++;
1641 /* XXX it is important to be full after the first one */
1642 if( p_owner->buffer.i_count > 0 )
1644 p_owner->buffer.b_full = true;
1645 vlc_cond_signal( &p_owner->wait_acknowledge );
1651 bool b_has_more = false;
1653 DecoderWaitUnblock( p_dec, &b_reject );
1655 if( p_owner->b_buffering )
1657 vlc_mutex_unlock( &p_owner->lock );
1662 if( p_owner->buffer.p_block )
1664 p_sout_block = p_owner->buffer.p_block;
1666 p_owner->buffer.p_block = p_sout_block->p_next;
1667 p_owner->buffer.i_count--;
1669 b_has_more = p_owner->buffer.p_block != NULL;
1671 p_owner->buffer.pp_block_next = &p_owner->buffer.p_block;
1673 p_sout_block->p_next = NULL;
1675 DecoderFixTs( p_dec, &p_sout_block->i_dts, &p_sout_block->i_pts,
1676 &p_sout_block->i_length,
1677 &p_sout_block->i_rate, INT64_MAX, b_telx );
1679 vlc_mutex_unlock( &p_owner->lock );
1682 sout_InputSendBuffer( p_owner->p_sout_input, p_sout_block ); // FIXME --VLC_TS_INVALID inspect stream_output/*
1684 block_Release( p_sout_block );
1688 vlc_mutex_lock( &p_owner->lock );
1689 if( !p_owner->buffer.p_block )
1691 vlc_mutex_unlock( &p_owner->lock );
1699 static void DecoderFlushBuffering( decoder_t *p_dec )
1701 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1703 vlc_assert_locked( &p_owner->lock );
1705 while( p_owner->buffer.p_picture )
1707 picture_t *p_picture = p_owner->buffer.p_picture;
1709 p_owner->buffer.p_picture = p_picture->p_next;
1710 p_owner->buffer.i_count--;
1712 if( p_owner->p_vout )
1714 vout_ReleasePicture( p_owner->p_vout, p_picture );
1717 if( !p_owner->buffer.p_picture )
1718 p_owner->buffer.pp_picture_next = &p_owner->buffer.p_picture;
1720 while( p_owner->buffer.p_audio )
1722 aout_buffer_t *p_audio = p_owner->buffer.p_audio;
1724 p_owner->buffer.p_audio = p_audio->p_next;
1725 p_owner->buffer.i_count--;
1727 aout_BufferFree( p_audio );
1729 if( !p_owner->buffer.p_audio )
1730 p_owner->buffer.pp_audio_next = &p_owner->buffer.p_audio;
1732 while( p_owner->buffer.p_subpic )
1734 subpicture_t *p_subpic = p_owner->buffer.p_subpic;
1736 p_owner->buffer.p_subpic = p_subpic->p_next;
1737 p_owner->buffer.i_count--;
1739 subpicture_Delete( p_subpic );
1741 if( !p_owner->buffer.p_subpic )
1742 p_owner->buffer.pp_subpic_next = &p_owner->buffer.p_subpic;
1744 if( p_owner->buffer.p_block )
1746 block_ChainRelease( p_owner->buffer.p_block );
1748 p_owner->buffer.i_count = 0;
1749 p_owner->buffer.p_block = NULL;
1750 p_owner->buffer.pp_block_next = &p_owner->buffer.p_block;
1755 /* This function process a block for sout
1757 static void DecoderProcessSout( decoder_t *p_dec, block_t *p_block )
1759 decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
1760 const bool b_telx = p_dec->fmt_in.i_codec == VLC_CODEC_TELETEXT;
1761 block_t *p_sout_block;
1763 while( ( p_sout_block =
1764 p_dec->pf_packetize( p_dec, p_block ? &p_block : NULL ) ) )
1766 if( !p_owner->p_sout_input )
1768 es_format_Copy( &p_owner->sout, &p_dec->fmt_out );
1770 p_owner->sout.i_group = p_dec->fmt_in.i_group;
1771 p_owner->sout.i_id = p_dec->fmt_in.i_id;
1772 if( p_dec->fmt_in.psz_language )
1774 free( p_owner->sout.psz_language );
1775 p_owner->sout.psz_language =
1776 strdup( p_dec->fmt_in.psz_language );
1779 p_owner->p_sout_input =
1780 sout_InputNew( p_owner->p_sout,
1783 if( p_owner->p_sout_input == NULL )
1785 msg_Err( p_dec, "cannot create packetizer output (%4.4s)",
1786 (char *)&p_owner->sout.i_codec );
1787 p_dec->b_error = true;
1789 while( p_sout_block )
1791 block_t *p_next = p_sout_block->p_next;
1792 block_Release( p_sout_block );
1793 p_sout_block = p_next;
1799 while( p_sout_block )
1801 block_t *p_next = p_sout_block->p_next;
1803 p_sout_block->p_next = NULL;
1805 DecoderPlaySout( p_dec, p_sout_block, b_telx );
1807 p_sout_block = p_next;
1813 /* This function process a video block
1815 static void DecoderProcessVideo( decoder_t *p_dec, block_t *p_block, bool b_flush )
1817 decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
1819 if( p_owner->p_packetizer )
1821 block_t *p_packetized_block;
1822 decoder_t *p_packetizer = p_owner->p_packetizer;
1824 while( (p_packetized_block =
1825 p_packetizer->pf_packetize( p_packetizer, p_block ? &p_block : NULL )) )
1827 if( p_packetizer->fmt_out.i_extra && !p_dec->fmt_in.i_extra )
1829 es_format_Clean( &p_dec->fmt_in );
1830 es_format_Copy( &p_dec->fmt_in, &p_packetizer->fmt_out );
1832 if( p_packetizer->pf_get_cc )
1833 DecoderGetCc( p_dec, p_packetizer );
1835 while( p_packetized_block )
1837 block_t *p_next = p_packetized_block->p_next;
1838 p_packetized_block->p_next = NULL;
1840 DecoderDecodeVideo( p_dec, p_packetized_block );
1842 p_packetized_block = p_next;
1845 /* The packetizer does not output a block that tell the decoder to flush
1849 block_t *p_null = DecoderBlockFlushNew();
1851 DecoderDecodeVideo( p_dec, p_null );
1856 DecoderDecodeVideo( p_dec, p_block );
1859 if( b_flush && p_owner->p_vout )
1860 vout_Flush( p_owner->p_vout, VLC_TS_INVALID+1 );
1863 /* This function process a audio block
1865 static void DecoderProcessAudio( decoder_t *p_dec, block_t *p_block, bool b_flush )
1867 decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
1869 if( p_owner->p_packetizer )
1871 block_t *p_packetized_block;
1872 decoder_t *p_packetizer = p_owner->p_packetizer;
1874 while( (p_packetized_block =
1875 p_packetizer->pf_packetize( p_packetizer, p_block ? &p_block : NULL )) )
1877 if( p_packetizer->fmt_out.i_extra && !p_dec->fmt_in.i_extra )
1879 es_format_Clean( &p_dec->fmt_in );
1880 es_format_Copy( &p_dec->fmt_in, &p_packetizer->fmt_out );
1883 while( p_packetized_block )
1885 block_t *p_next = p_packetized_block->p_next;
1886 p_packetized_block->p_next = NULL;
1888 DecoderDecodeAudio( p_dec, p_packetized_block );
1890 p_packetized_block = p_next;
1893 /* The packetizer does not output a block that tell the decoder to flush
1897 block_t *p_null = DecoderBlockFlushNew();
1899 DecoderDecodeAudio( p_dec, p_null );
1904 DecoderDecodeAudio( p_dec, p_block );
1907 if( b_flush && p_owner->p_aout && p_owner->p_aout_input )
1908 aout_DecFlush( p_owner->p_aout, p_owner->p_aout_input );
1911 /* This function process a subtitle block
1913 static void DecoderProcessSpu( decoder_t *p_dec, block_t *p_block, bool b_flush )
1915 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1916 const bool b_telx = p_dec->fmt_in.i_codec == VLC_CODEC_TELETEXT;
1918 input_thread_t *p_input = p_owner->p_input;
1919 vout_thread_t *p_vout;
1920 subpicture_t *p_spu;
1922 while( (p_spu = p_dec->pf_decode_sub( p_dec, p_block ? &p_block : NULL ) ) )
1924 if( p_input != NULL )
1926 vlc_mutex_lock( &p_input->p->counters.counters_lock );
1927 stats_UpdateInteger( p_dec, p_input->p->counters.p_decoded_sub, 1,
1929 vlc_mutex_unlock( &p_input->p->counters.counters_lock );
1932 p_vout = input_resource_HoldVout( p_owner->p_resource );
1933 if( p_vout && p_owner->p_spu_vout == p_vout )
1935 /* Preroll does not work very well with subtitle */
1936 if( p_spu->i_start > VLC_TS_INVALID &&
1937 p_spu->i_start < p_owner->i_preroll_end &&
1938 ( p_spu->i_stop <= VLC_TS_INVALID || p_spu->i_stop < p_owner->i_preroll_end ) )
1940 subpicture_Delete( p_spu );
1944 DecoderPlaySpu( p_dec, p_spu, b_telx );
1949 subpicture_Delete( p_spu );
1952 vlc_object_release( p_vout );
1955 if( b_flush && p_owner->p_spu_vout )
1957 p_vout = input_resource_HoldVout( p_owner->p_resource );
1959 if( p_vout && p_owner->p_spu_vout == p_vout )
1960 vout_FlushSubpictureChannel( p_vout, p_owner->i_spu_channel );
1963 vlc_object_release( p_vout );
1968 static void DecoderProcessOnFlush( decoder_t *p_dec )
1970 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1972 vlc_mutex_lock( &p_owner->lock );
1973 DecoderFlushBuffering( p_dec );
1975 if( p_owner->b_flushing )
1977 p_owner->b_flushing = false;
1978 vlc_cond_signal( &p_owner->wait_acknowledge );
1980 vlc_mutex_unlock( &p_owner->lock );
1986 * \param p_dec the decoder object
1987 * \param p_block the block to decode
1988 * \return VLC_SUCCESS or an error code
1990 static void DecoderProcess( decoder_t *p_dec, block_t *p_block )
1992 decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
1993 const bool b_flush_request = p_block && (p_block->i_flags & BLOCK_FLAG_CORE_FLUSH);
1995 if( p_block && p_block->i_buffer <= 0 )
1997 assert( !b_flush_request );
1998 block_Release( p_block );
2003 if( p_owner->b_packetizer )
2006 p_block->i_flags &= ~BLOCK_FLAG_CORE_PRIVATE_MASK;
2008 DecoderProcessSout( p_dec, p_block );
2013 bool b_flush = false;
2017 const bool b_flushing = p_owner->i_preroll_end == INT64_MAX;
2018 DecoderUpdatePreroll( &p_owner->i_preroll_end, p_block );
2020 b_flush = !b_flushing && b_flush_request;
2022 p_block->i_flags &= ~BLOCK_FLAG_CORE_PRIVATE_MASK;
2025 if( p_dec->fmt_out.i_cat == AUDIO_ES )
2027 DecoderProcessAudio( p_dec, p_block, b_flush );
2029 else if( p_dec->fmt_out.i_cat == VIDEO_ES )
2031 DecoderProcessVideo( p_dec, p_block, b_flush );
2033 else if( p_dec->fmt_out.i_cat == SPU_ES )
2035 DecoderProcessSpu( p_dec, p_block, b_flush );
2039 msg_Err( p_dec, "unknown ES format" );
2040 p_dec->b_error = true;
2045 if( b_flush_request )
2046 DecoderProcessOnFlush( p_dec );
2049 static void DecoderError( decoder_t *p_dec, block_t *p_block )
2051 const bool b_flush_request = p_block && (p_block->i_flags & BLOCK_FLAG_CORE_FLUSH);
2055 block_Release( p_block );
2057 if( b_flush_request )
2058 DecoderProcessOnFlush( p_dec );
2063 * Destroys a decoder object
2065 * \param p_dec the decoder object
2068 static void DeleteDecoder( decoder_t * p_dec )
2070 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2072 msg_Dbg( p_dec, "killing decoder fourcc `%4.4s', %u PES in FIFO",
2073 (char*)&p_dec->fmt_in.i_codec,
2074 (unsigned)block_FifoCount( p_owner->p_fifo ) );
2076 /* Free all packets still in the decoder fifo. */
2077 block_FifoEmpty( p_owner->p_fifo );
2078 block_FifoRelease( p_owner->p_fifo );
2081 vlc_mutex_lock( &p_owner->lock );
2082 DecoderFlushBuffering( p_dec );
2083 vlc_mutex_unlock( &p_owner->lock );
2086 if( p_owner->p_aout_input )
2087 aout_DecDelete( p_owner->p_aout, p_owner->p_aout_input );
2088 if( p_owner->p_aout )
2090 input_resource_RequestAout( p_owner->p_resource, p_owner->p_aout );
2091 input_SendEventAout( p_owner->p_input );
2092 p_owner->p_aout = NULL;
2094 if( p_owner->p_vout )
2096 /* Hack to make sure all the the pictures are freed by the decoder
2097 * and that the vout is not paused anymore */
2098 vout_Reset( p_owner->p_vout );
2101 input_resource_RequestVout( p_owner->p_resource, p_owner->p_vout, NULL,
2103 input_SendEventVout( p_owner->p_input );
2107 if( p_owner->p_sout_input )
2109 sout_InputDelete( p_owner->p_sout_input );
2110 es_format_Clean( &p_owner->sout );
2114 if( p_dec->fmt_out.i_cat == SPU_ES )
2116 vout_thread_t *p_vout;
2118 p_vout = input_resource_HoldVout( p_owner->p_resource );
2121 if( p_owner->p_spu_vout == p_vout )
2122 vout_FlushSubpictureChannel( p_vout, p_owner->i_spu_channel );
2123 vlc_object_release( p_vout );
2127 es_format_Clean( &p_dec->fmt_in );
2128 es_format_Clean( &p_dec->fmt_out );
2129 if( p_dec->p_description )
2130 vlc_meta_Delete( p_dec->p_description );
2131 es_format_Clean( &p_owner->fmt_description );
2132 if( p_owner->p_description )
2133 vlc_meta_Delete( p_owner->p_description );
2135 if( p_owner->p_packetizer )
2137 module_unneed( p_owner->p_packetizer,
2138 p_owner->p_packetizer->p_module );
2139 es_format_Clean( &p_owner->p_packetizer->fmt_in );
2140 es_format_Clean( &p_owner->p_packetizer->fmt_out );
2141 if( p_owner->p_packetizer->p_description )
2142 vlc_meta_Delete( p_owner->p_packetizer->p_description );
2143 vlc_object_release( p_owner->p_packetizer );
2146 vlc_cond_destroy( &p_owner->wait_acknowledge );
2147 vlc_cond_destroy( &p_owner->wait_request );
2148 vlc_mutex_destroy( &p_owner->lock );
2150 vlc_object_release( p_dec );
2155 /*****************************************************************************
2156 * Buffers allocation callbacks for the decoders
2157 *****************************************************************************/
2158 static void DecoderUpdateFormatLocked( decoder_t *p_dec )
2160 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2162 vlc_assert_locked( &p_owner->lock );
2164 p_owner->b_fmt_description = true;
2166 /* Copy es_format */
2167 es_format_Clean( &p_owner->fmt_description );
2168 es_format_Copy( &p_owner->fmt_description, &p_dec->fmt_out );
2170 /* Move p_description */
2171 if( p_owner->p_description && p_dec->p_description )
2172 vlc_meta_Delete( p_owner->p_description );
2173 p_owner->p_description = p_dec->p_description;
2174 p_dec->p_description = NULL;
2176 static vout_thread_t *aout_request_vout( void *p_private,
2177 vout_thread_t *p_vout, video_format_t *p_fmt, bool b_recyle )
2179 decoder_t *p_dec = p_private;
2180 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2181 input_thread_t *p_input = p_owner->p_input;
2183 p_vout = input_resource_RequestVout( p_owner->p_resource, p_vout, p_fmt, 1,
2185 input_SendEventVout( p_input );
2190 static aout_buffer_t *aout_new_buffer( decoder_t *p_dec, int i_samples )
2192 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2193 aout_buffer_t *p_buffer;
2195 if( p_owner->p_aout_input != NULL &&
2196 ( p_dec->fmt_out.audio.i_rate != p_owner->audio.i_rate ||
2197 p_dec->fmt_out.audio.i_original_channels !=
2198 p_owner->audio.i_original_channels ||
2199 p_dec->fmt_out.audio.i_bytes_per_frame !=
2200 p_owner->audio.i_bytes_per_frame ) )
2202 aout_input_t *p_aout_input = p_owner->p_aout_input;
2204 /* Parameters changed, restart the aout */
2205 vlc_mutex_lock( &p_owner->lock );
2207 DecoderFlushBuffering( p_dec );
2209 p_owner->p_aout_input = NULL;
2210 aout_DecDelete( p_owner->p_aout, p_aout_input );
2212 vlc_mutex_unlock( &p_owner->lock );
2215 if( p_owner->p_aout_input == NULL )
2217 const int i_force_dolby = var_InheritInteger( p_dec, "force-dolby-surround" );
2218 audio_sample_format_t format;
2219 aout_input_t *p_aout_input;
2220 aout_instance_t *p_aout;
2221 aout_request_vout_t request_vout;
2223 p_dec->fmt_out.audio.i_format = p_dec->fmt_out.i_codec;
2224 p_owner->audio = p_dec->fmt_out.audio;
2226 memcpy( &format, &p_owner->audio, sizeof( audio_sample_format_t ) );
2227 if( i_force_dolby &&
2228 (format.i_original_channels&AOUT_CHAN_PHYSMASK) ==
2229 (AOUT_CHAN_LEFT|AOUT_CHAN_RIGHT) )
2231 if( i_force_dolby == 1 )
2233 format.i_original_channels = format.i_original_channels |
2234 AOUT_CHAN_DOLBYSTEREO;
2236 else /* i_force_dolby == 2 */
2238 format.i_original_channels = format.i_original_channels &
2239 ~AOUT_CHAN_DOLBYSTEREO;
2243 request_vout.pf_request_vout = aout_request_vout;
2244 request_vout.p_private = p_dec;
2246 p_aout = p_owner->p_aout;
2248 p_aout = input_resource_RequestAout( p_owner->p_resource, NULL );
2249 p_aout_input = aout_DecNew( p_dec, &p_aout,
2250 &format, &p_dec->fmt_out.audio_replay_gain, &request_vout );
2252 vlc_mutex_lock( &p_owner->lock );
2254 p_owner->p_aout = p_aout;
2255 p_owner->p_aout_input = p_aout_input;
2256 DecoderUpdateFormatLocked( p_dec );
2258 vlc_mutex_unlock( &p_owner->lock );
2260 input_SendEventAout( p_owner->p_input );
2262 if( p_owner->p_aout_input == NULL )
2264 msg_Err( p_dec, "failed to create audio output" );
2265 p_dec->b_error = true;
2268 p_dec->fmt_out.audio.i_bytes_per_frame =
2269 p_owner->audio.i_bytes_per_frame;
2272 p_buffer = aout_DecNewBuffer( p_owner->p_aout_input, i_samples );
2277 static void aout_del_buffer( decoder_t *p_dec, aout_buffer_t *p_buffer )
2279 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2281 aout_DecDeleteBuffer( p_owner->p_aout,
2282 p_owner->p_aout_input, p_buffer );
2285 static picture_t *vout_new_buffer( decoder_t *p_dec )
2287 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2289 if( p_owner->p_vout == NULL ||
2290 p_dec->fmt_out.video.i_width != p_owner->video.i_width ||
2291 p_dec->fmt_out.video.i_height != p_owner->video.i_height ||
2292 p_dec->fmt_out.video.i_visible_width != p_owner->video.i_visible_width ||
2293 p_dec->fmt_out.video.i_visible_height != p_owner->video.i_visible_height ||
2294 p_dec->fmt_out.video.i_x_offset != p_owner->video.i_x_offset ||
2295 p_dec->fmt_out.video.i_y_offset != p_owner->video.i_y_offset ||
2296 p_dec->fmt_out.i_codec != p_owner->video.i_chroma ||
2297 (int64_t)p_dec->fmt_out.video.i_sar_num * p_owner->video.i_sar_den !=
2298 (int64_t)p_dec->fmt_out.video.i_sar_den * p_owner->video.i_sar_num )
2300 vout_thread_t *p_vout;
2302 if( !p_dec->fmt_out.video.i_width ||
2303 !p_dec->fmt_out.video.i_height )
2305 /* Can't create a new vout without display size */
2309 video_format_t fmt = p_dec->fmt_out.video;
2310 fmt.i_chroma = p_dec->fmt_out.i_codec;
2311 p_owner->video = fmt;
2313 if( !fmt.i_visible_width || !fmt.i_visible_height )
2315 if( p_dec->fmt_in.video.i_visible_width &&
2316 p_dec->fmt_in.video.i_visible_height )
2318 fmt.i_visible_width = p_dec->fmt_in.video.i_visible_width;
2319 fmt.i_visible_height = p_dec->fmt_in.video.i_visible_height;
2323 fmt.i_visible_width = fmt.i_width;
2324 fmt.i_visible_height = fmt.i_height;
2328 if( fmt.i_visible_height == 1088 &&
2329 var_CreateGetBool( p_dec, "hdtv-fix" ) )
2331 fmt.i_visible_height = 1080;
2332 if( !(fmt.i_sar_num % 136))
2334 fmt.i_sar_num *= 135;
2335 fmt.i_sar_den *= 136;
2337 msg_Warn( p_dec, "Fixing broken HDTV stream (display_height=1088)");
2340 if( !fmt.i_sar_num || !fmt.i_sar_den )
2346 vlc_ureduce( &fmt.i_sar_num, &fmt.i_sar_den,
2347 fmt.i_sar_num, fmt.i_sar_den, 50000 );
2349 vlc_mutex_lock( &p_owner->lock );
2351 DecoderFlushBuffering( p_dec );
2353 p_vout = p_owner->p_vout;
2354 p_owner->p_vout = NULL;
2355 vlc_mutex_unlock( &p_owner->lock );
2358 switch( p_dec->fmt_in.i_codec )
2360 case VLC_CODEC_H264:
2361 case VLC_CODEC_DIRAC: /* FIXME valid ? */
2366 case VLC_CODEC_VP6F:
2374 p_vout = input_resource_RequestVout( p_owner->p_resource,
2376 dpb_size + 1 + DECODER_MAX_BUFFERING_COUNT,
2378 vlc_mutex_lock( &p_owner->lock );
2379 p_owner->p_vout = p_vout;
2381 DecoderUpdateFormatLocked( p_dec );
2383 vlc_mutex_unlock( &p_owner->lock );
2385 input_SendEventVout( p_owner->p_input );
2386 if( p_vout == NULL )
2388 msg_Err( p_dec, "failed to create video output" );
2389 p_dec->b_error = true;
2394 /* Get a new picture
2398 if( p_dec->b_die || p_dec->b_error )
2401 picture_t *p_picture = vout_GetPicture( p_owner->p_vout );
2405 if( DecoderIsFlushing( p_dec ) )
2409 DecoderSignalBuffering( p_dec, true );
2411 /* Check the decoder doesn't leak pictures */
2412 vout_FixLeaks( p_owner->p_vout );
2414 /* FIXME add a vout_WaitPictureAvailable (timedwait) */
2415 msleep( VOUT_OUTMEM_SLEEP );
2419 static void vout_del_buffer( decoder_t *p_dec, picture_t *p_pic )
2421 vout_ReleasePicture( p_dec->p_owner->p_vout, p_pic );
2424 static void vout_link_picture( decoder_t *p_dec, picture_t *p_pic )
2426 vout_HoldPicture( p_dec->p_owner->p_vout, p_pic );
2429 static void vout_unlink_picture( decoder_t *p_dec, picture_t *p_pic )
2431 vout_ReleasePicture( p_dec->p_owner->p_vout, p_pic );
2434 static subpicture_t *spu_new_buffer( decoder_t *p_dec,
2435 const subpicture_updater_t *p_updater )
2437 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2438 vout_thread_t *p_vout = NULL;
2439 subpicture_t *p_subpic;
2440 int i_attempts = 30;
2442 while( i_attempts-- )
2444 if( p_dec->b_die || p_dec->b_error )
2447 p_vout = input_resource_HoldVout( p_owner->p_resource );
2451 msleep( DECODER_SPU_VOUT_WAIT_DURATION );
2456 msg_Warn( p_dec, "no vout found, dropping subpicture" );
2460 if( p_owner->p_spu_vout != p_vout )
2462 vlc_mutex_lock( &p_owner->lock );
2464 DecoderFlushBuffering( p_dec );
2466 vlc_mutex_unlock( &p_owner->lock );
2468 p_owner->i_spu_channel = vout_RegisterSubpictureChannel( p_vout );
2469 p_owner->i_spu_order = 0;
2470 p_owner->p_spu_vout = p_vout;
2473 p_subpic = subpicture_New( p_updater );
2476 p_subpic->i_channel = p_owner->i_spu_channel;
2477 p_subpic->i_order = p_owner->i_spu_order++;
2478 p_subpic->b_subtitle = true;
2481 vlc_object_release( p_vout );
2486 static void spu_del_buffer( decoder_t *p_dec, subpicture_t *p_subpic )
2488 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2489 vout_thread_t *p_vout = NULL;
2491 p_vout = input_resource_HoldVout( p_owner->p_resource );
2492 if( !p_vout || p_owner->p_spu_vout != p_vout )
2495 vlc_object_release( p_vout );
2496 msg_Warn( p_dec, "no vout found, leaking subpicture" );
2500 subpicture_Delete( p_subpic );
2502 vlc_object_release( p_vout );