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_clock_t *p_clock;
90 vout_thread_t *p_spu_vout;
94 sout_instance_t *p_sout;
95 sout_packetizer_input_t *p_sout_input;
97 /* Some decoders require already packetized data (ie. not truncated) */
98 decoder_t *p_packetizer;
101 /* Current format in use by the output */
102 video_format_t video;
103 audio_format_t audio;
107 bool b_fmt_description;
108 es_format_t fmt_description;
109 vlc_meta_t *p_description;
112 block_fifo_t *p_fifo;
114 /* Lock for communication with decoder thread */
116 vlc_cond_t wait_request;
117 vlc_cond_t wait_acknowledge;
119 /* -- These variables need locking on write(only) -- */
120 aout_instance_t *p_aout;
121 aout_input_t *p_aout_input;
123 vout_thread_t *p_vout;
125 /* -- Theses variables need locking on read *and* write -- */
143 picture_t *p_picture;
144 picture_t **pp_picture_next;
146 subpicture_t *p_subpic;
147 subpicture_t **pp_subpic_next;
149 aout_buffer_t *p_audio;
150 aout_buffer_t **pp_audio_next;
153 block_t **pp_block_next;
164 decoder_t *pp_decoder[4];
171 #define DECODER_MAX_BUFFERING_COUNT (4)
172 #define DECODER_MAX_BUFFERING_AUDIO_DURATION (AOUT_MAX_PREPARE_TIME)
173 #define DECODER_MAX_BUFFERING_VIDEO_DURATION (1*CLOCK_FREQ)
175 /* Pictures which are DECODER_BOGUS_VIDEO_DELAY or more in advance probably have
176 * a bogus PTS and won't be displayed */
177 #define DECODER_BOGUS_VIDEO_DELAY ((mtime_t)(DEFAULT_PTS_DELAY * 30))
180 #define DECODER_SPU_VOUT_WAIT_DURATION ((int)(0.200*CLOCK_FREQ))
183 /*****************************************************************************
185 *****************************************************************************/
186 picture_t *decoder_NewPicture( decoder_t *p_decoder )
188 picture_t *p_picture = p_decoder->pf_vout_buffer_new( p_decoder );
190 msg_Warn( p_decoder, "can't get output picture" );
193 void decoder_DeletePicture( decoder_t *p_decoder, picture_t *p_picture )
195 p_decoder->pf_vout_buffer_del( p_decoder, p_picture );
197 void decoder_LinkPicture( decoder_t *p_decoder, picture_t *p_picture )
199 p_decoder->pf_picture_link( p_decoder, p_picture );
201 void decoder_UnlinkPicture( decoder_t *p_decoder, picture_t *p_picture )
203 p_decoder->pf_picture_unlink( p_decoder, p_picture );
206 aout_buffer_t *decoder_NewAudioBuffer( decoder_t *p_decoder, int i_size )
208 if( !p_decoder->pf_aout_buffer_new )
210 return p_decoder->pf_aout_buffer_new( p_decoder, i_size );
212 void decoder_DeleteAudioBuffer( decoder_t *p_decoder, aout_buffer_t *p_buffer )
214 p_decoder->pf_aout_buffer_del( p_decoder, p_buffer );
217 subpicture_t *decoder_NewSubpicture( decoder_t *p_decoder,
218 const subpicture_updater_t *p_dyn )
220 subpicture_t *p_subpicture = p_decoder->pf_spu_buffer_new( p_decoder, p_dyn );
222 msg_Warn( p_decoder, "can't get output subpicture" );
226 void decoder_DeleteSubpicture( decoder_t *p_decoder, subpicture_t *p_subpicture )
228 p_decoder->pf_spu_buffer_del( p_decoder, p_subpicture );
231 /* decoder_GetInputAttachments:
233 int decoder_GetInputAttachments( decoder_t *p_dec,
234 input_attachment_t ***ppp_attachment,
237 if( !p_dec->pf_get_attachments )
240 return p_dec->pf_get_attachments( p_dec, ppp_attachment, pi_attachment );
242 /* decoder_GetDisplayDate:
244 mtime_t decoder_GetDisplayDate( decoder_t *p_dec, mtime_t i_ts )
246 if( !p_dec->pf_get_display_date )
247 return VLC_TS_INVALID;
249 return p_dec->pf_get_display_date( p_dec, i_ts );
251 /* decoder_GetDisplayRate:
253 int decoder_GetDisplayRate( decoder_t *p_dec )
255 if( !p_dec->pf_get_display_rate )
256 return INPUT_RATE_DEFAULT;
258 return p_dec->pf_get_display_rate( p_dec );
262 * Spawns a new decoder thread
264 * \param p_input the input thread
265 * \param p_es the es descriptor
266 * \return the spawned decoder object
268 decoder_t *input_DecoderNew( input_thread_t *p_input,
269 es_format_t *fmt, input_clock_t *p_clock,
270 sout_instance_t *p_sout )
272 decoder_t *p_dec = NULL;
273 const char *psz_type = p_sout ? N_("packetizer") : N_("decoder");
276 /* Create the decoder configuration structure */
277 p_dec = CreateDecoder( p_input, fmt, p_sout != NULL, p_sout );
280 msg_Err( p_input, "could not create %s", psz_type );
281 dialog_Fatal( p_input, _("Streaming / Transcoding failed"),
282 _("VLC could not open the %s module."),
283 vlc_gettext( psz_type ) );
287 if( !p_dec->p_module )
289 DecoderUnsupportedCodec( p_dec, fmt->i_codec );
291 DeleteDecoder( p_dec );
295 p_dec->p_owner->p_clock = p_clock;
296 assert( p_dec->fmt_out.i_cat != UNKNOWN_ES );
298 if( p_dec->fmt_out.i_cat == AUDIO_ES )
299 i_priority = VLC_THREAD_PRIORITY_AUDIO;
301 i_priority = VLC_THREAD_PRIORITY_VIDEO;
303 /* Spawn the decoder thread */
304 if( vlc_thread_create( p_dec, "decoder", DecoderThread, i_priority ) )
306 msg_Err( p_dec, "cannot spawn decoder thread" );
307 module_unneed( p_dec, p_dec->p_module );
308 DeleteDecoder( p_dec );
316 * Kills a decoder thread and waits until it's finished
318 * \param p_input the input thread
319 * \param p_es the es descriptor
322 void input_DecoderDelete( decoder_t *p_dec )
324 decoder_owner_sys_t *p_owner = p_dec->p_owner;
326 vlc_object_kill( p_dec );
328 /* Make sure we aren't paused/buffering/waiting anymore */
329 vlc_mutex_lock( &p_owner->lock );
330 const bool b_was_paused = p_owner->b_paused;
331 p_owner->b_paused = false;
332 p_owner->b_buffering = false;
333 p_owner->b_flushing = true;
334 vlc_cond_signal( &p_owner->wait_request );
335 vlc_mutex_unlock( &p_owner->lock );
337 vlc_thread_join( p_dec );
338 p_owner->b_paused = b_was_paused;
340 module_unneed( p_dec, p_dec->p_module );
343 if( p_dec->p_owner->cc.b_supported )
346 for( i = 0; i < 4; i++ )
347 input_DecoderSetCcState( p_dec, false, i );
351 DeleteDecoder( p_dec );
355 * Put a block_t in the decoder's fifo.
356 * Thread-safe w.r.t. the decoder. May be a cancellation point.
358 * \param p_dec the decoder object
359 * \param p_block the data block
361 void input_DecoderDecode( decoder_t *p_dec, block_t *p_block, bool b_do_pace )
363 decoder_owner_sys_t *p_owner = p_dec->p_owner;
367 /* The fifo is not consummed when buffering and so will
369 * There is no need to lock as b_buffering is never modify
370 * inside decoder thread. */
371 if( !p_owner->b_buffering )
372 block_FifoPace( p_owner->p_fifo, 10, SIZE_MAX );
375 else if( block_FifoSize( p_owner->p_fifo ) > 50*1024*1024 /* 50 MiB */ )
377 else if( block_FifoSize( p_owner->p_fifo ) > 400*1024*1024 /* 400 MiB, ie ~ 50mb/s for 60s */ )
380 /* FIXME: ideally we would check the time amount of data
381 * in the FIFO instead of its size. */
382 msg_Warn( p_dec, "decoder/packetizer fifo full (data not "
383 "consumed quickly enough), resetting fifo!" );
384 block_FifoEmpty( p_owner->p_fifo );
387 block_FifoPut( p_owner->p_fifo, p_block );
390 bool input_DecoderIsEmpty( decoder_t * p_dec )
392 decoder_owner_sys_t *p_owner = p_dec->p_owner;
393 assert( !p_owner->b_buffering );
395 bool b_empty = block_FifoCount( p_dec->p_owner->p_fifo ) <= 0;
398 vlc_mutex_lock( &p_owner->lock );
399 /* TODO subtitles support */
400 if( p_dec->fmt_out.i_cat == VIDEO_ES && p_owner->p_vout )
401 b_empty = vout_IsEmpty( p_owner->p_vout );
402 else if( p_dec->fmt_out.i_cat == AUDIO_ES && p_owner->p_aout && p_owner->p_aout_input )
403 b_empty = aout_InputIsEmpty( p_owner->p_aout, p_owner->p_aout_input );
404 vlc_mutex_unlock( &p_owner->lock );
409 void input_DecoderIsCcPresent( decoder_t *p_dec, bool pb_present[4] )
411 decoder_owner_sys_t *p_owner = p_dec->p_owner;
414 vlc_mutex_lock( &p_owner->lock );
415 for( i = 0; i < 4; i++ )
416 pb_present[i] = p_owner->cc.pb_present[i];
417 vlc_mutex_unlock( &p_owner->lock );
419 int input_DecoderSetCcState( decoder_t *p_dec, bool b_decode, int i_channel )
421 decoder_owner_sys_t *p_owner = p_dec->p_owner;
423 //msg_Warn( p_dec, "input_DecoderSetCcState: %d @%d", b_decode, i_channel );
425 if( i_channel < 0 || i_channel >= 4 || !p_owner->cc.pb_present[i_channel] )
430 static const vlc_fourcc_t fcc[4] = {
431 VLC_FOURCC('c', 'c', '1', ' '),
432 VLC_FOURCC('c', 'c', '2', ' '),
433 VLC_FOURCC('c', 'c', '3', ' '),
434 VLC_FOURCC('c', 'c', '4', ' '),
439 es_format_Init( &fmt, SPU_ES, fcc[i_channel] );
440 p_cc = CreateDecoder( p_owner->p_input, &fmt, false, p_owner->p_sout );
443 msg_Err( p_dec, "could not create decoder" );
444 dialog_Fatal( p_dec, _("Streaming / Transcoding failed"), "%s",
445 _("VLC could not open the decoder module.") );
448 else if( !p_cc->p_module )
450 DecoderUnsupportedCodec( p_dec, fcc[i_channel] );
451 DeleteDecoder( p_cc );
454 p_cc->p_owner->p_clock = p_owner->p_clock;
456 vlc_mutex_lock( &p_owner->lock );
457 p_owner->cc.pp_decoder[i_channel] = p_cc;
458 vlc_mutex_unlock( &p_owner->lock );
464 vlc_mutex_lock( &p_owner->lock );
465 p_cc = p_owner->cc.pp_decoder[i_channel];
466 p_owner->cc.pp_decoder[i_channel] = NULL;
467 vlc_mutex_unlock( &p_owner->lock );
471 vlc_object_kill( p_cc );
472 module_unneed( p_cc, p_cc->p_module );
473 DeleteDecoder( p_cc );
478 int input_DecoderGetCcState( decoder_t *p_dec, bool *pb_decode, int i_channel )
480 decoder_owner_sys_t *p_owner = p_dec->p_owner;
483 if( i_channel < 0 || i_channel >= 4 || !p_owner->cc.pb_present[i_channel] )
486 vlc_mutex_lock( &p_owner->lock );
487 *pb_decode = p_owner->cc.pp_decoder[i_channel] != NULL;
488 vlc_mutex_unlock( &p_owner->lock );
492 void input_DecoderChangePause( decoder_t *p_dec, bool b_paused, mtime_t i_date )
494 decoder_owner_sys_t *p_owner = p_dec->p_owner;
496 vlc_mutex_lock( &p_owner->lock );
498 assert( !p_owner->b_paused || !b_paused );
500 p_owner->b_paused = b_paused;
501 p_owner->pause.i_date = i_date;
502 p_owner->pause.i_ignore = 0;
503 vlc_cond_signal( &p_owner->wait_request );
505 DecoderOutputChangePause( p_dec, b_paused, i_date );
507 vlc_mutex_unlock( &p_owner->lock );
510 void input_DecoderChangeDelay( decoder_t *p_dec, mtime_t i_delay )
512 decoder_owner_sys_t *p_owner = p_dec->p_owner;
514 vlc_mutex_lock( &p_owner->lock );
515 p_owner->i_ts_delay = i_delay;
516 vlc_mutex_unlock( &p_owner->lock );
519 void input_DecoderStartBuffering( decoder_t *p_dec )
521 decoder_owner_sys_t *p_owner = p_dec->p_owner;
523 vlc_mutex_lock( &p_owner->lock );
525 DecoderFlush( p_dec );
527 p_owner->buffer.b_first = true;
528 p_owner->buffer.b_full = false;
529 p_owner->buffer.i_count = 0;
531 assert( !p_owner->buffer.p_picture && !p_owner->buffer.p_subpic &&
532 !p_owner->buffer.p_audio && !p_owner->buffer.p_block );
534 p_owner->buffer.p_picture = NULL;
535 p_owner->buffer.pp_picture_next = &p_owner->buffer.p_picture;
537 p_owner->buffer.p_subpic = NULL;
538 p_owner->buffer.pp_subpic_next = &p_owner->buffer.p_subpic;
540 p_owner->buffer.p_audio = NULL;
541 p_owner->buffer.pp_audio_next = &p_owner->buffer.p_audio;
543 p_owner->buffer.p_block = NULL;
544 p_owner->buffer.pp_block_next = &p_owner->buffer.p_block;
547 p_owner->b_buffering = true;
549 vlc_cond_signal( &p_owner->wait_request );
551 vlc_mutex_unlock( &p_owner->lock );
554 void input_DecoderStopBuffering( decoder_t *p_dec )
556 decoder_owner_sys_t *p_owner = p_dec->p_owner;
558 vlc_mutex_lock( &p_owner->lock );
560 p_owner->b_buffering = false;
562 vlc_cond_signal( &p_owner->wait_request );
564 vlc_mutex_unlock( &p_owner->lock );
567 void input_DecoderWaitBuffering( decoder_t *p_dec )
569 decoder_owner_sys_t *p_owner = p_dec->p_owner;
571 vlc_mutex_lock( &p_owner->lock );
573 while( vlc_object_alive( p_dec ) && p_owner->b_buffering && !p_owner->buffer.b_full )
575 block_FifoWake( p_owner->p_fifo );
576 vlc_cond_wait( &p_owner->wait_acknowledge, &p_owner->lock );
579 vlc_mutex_unlock( &p_owner->lock );
582 void input_DecoderFrameNext( decoder_t *p_dec, mtime_t *pi_duration )
584 decoder_owner_sys_t *p_owner = p_dec->p_owner;
588 vlc_mutex_lock( &p_owner->lock );
589 if( p_dec->fmt_out.i_cat == VIDEO_ES )
591 if( p_owner->b_paused && p_owner->p_vout )
593 vout_NextPicture( p_owner->p_vout, pi_duration );
594 p_owner->pause.i_ignore++;
595 vlc_cond_signal( &p_owner->wait_request );
600 /* TODO subtitle should not be flushed */
601 DecoderFlush( p_dec );
603 vlc_mutex_unlock( &p_owner->lock );
606 bool input_DecoderHasFormatChanged( decoder_t *p_dec, es_format_t *p_fmt, vlc_meta_t **pp_meta )
608 decoder_owner_sys_t *p_owner = p_dec->p_owner;
611 vlc_mutex_lock( &p_owner->lock );
612 b_changed = p_owner->b_fmt_description;
616 es_format_Copy( p_fmt, &p_owner->fmt_description );
621 if( p_owner->p_description )
623 *pp_meta = vlc_meta_New();
625 vlc_meta_Merge( *pp_meta, p_owner->p_description );
628 p_owner->b_fmt_description = false;
630 vlc_mutex_unlock( &p_owner->lock );
634 size_t input_DecoderGetFifoSize( decoder_t *p_dec )
636 decoder_owner_sys_t *p_owner = p_dec->p_owner;
638 return block_FifoSize( p_owner->p_fifo );
641 void input_DecoderGetObjects( decoder_t *p_dec,
642 vout_thread_t **pp_vout, aout_instance_t **pp_aout )
644 decoder_owner_sys_t *p_owner = p_dec->p_owner;
646 vlc_mutex_lock( &p_owner->lock );
648 *pp_vout = p_owner->p_vout ? vlc_object_hold( p_owner->p_vout ) : NULL;
650 *pp_aout = p_owner->p_aout ? vlc_object_hold( p_owner->p_aout ) : NULL;
651 vlc_mutex_unlock( &p_owner->lock );
654 /*****************************************************************************
656 *****************************************************************************/
657 static int DecoderGetInputAttachments( decoder_t *p_dec,
658 input_attachment_t ***ppp_attachment,
661 return input_Control( p_dec->p_owner->p_input, INPUT_GET_ATTACHMENTS,
662 ppp_attachment, pi_attachment );
664 static mtime_t DecoderGetDisplayDate( decoder_t *p_dec, mtime_t i_ts )
666 decoder_owner_sys_t *p_owner = p_dec->p_owner;
668 vlc_mutex_lock( &p_owner->lock );
669 if( p_owner->b_buffering || p_owner->b_paused )
670 i_ts = VLC_TS_INVALID;
671 vlc_mutex_unlock( &p_owner->lock );
673 if( !p_owner->p_clock || i_ts <= VLC_TS_INVALID )
676 if( input_clock_ConvertTS( p_owner->p_clock, NULL, &i_ts, NULL, INT64_MAX ) )
677 return VLC_TS_INVALID;
681 static int DecoderGetDisplayRate( decoder_t *p_dec )
683 decoder_owner_sys_t *p_owner = p_dec->p_owner;
685 if( !p_owner->p_clock )
686 return INPUT_RATE_DEFAULT;
687 return input_clock_GetRate( p_owner->p_clock );
691 static void DecoderUnsupportedCodec( decoder_t *p_dec, vlc_fourcc_t codec )
693 msg_Err( p_dec, "no suitable decoder module for fourcc `%4.4s'. "
694 "VLC probably does not support this sound or video format.",
696 dialog_Fatal( p_dec, _("No suitable decoder module"),
697 _("VLC does not support the audio or video format \"%4.4s\". "
698 "Unfortunately there is no way for you to fix this."),
704 * Create a decoder object
706 * \param p_input the input thread
707 * \param p_es the es descriptor
708 * \param b_packetizer instead of a decoder
709 * \return the decoder object
711 static decoder_t * CreateDecoder( input_thread_t *p_input,
712 es_format_t *fmt, bool b_packetizer,
713 sout_instance_t *p_sout )
716 decoder_owner_sys_t *p_owner;
717 es_format_t null_es_format;
719 p_dec = vlc_custom_create( p_input, sizeof( *p_dec ), VLC_OBJECT_DECODER,
724 p_dec->pf_decode_audio = NULL;
725 p_dec->pf_decode_video = NULL;
726 p_dec->pf_decode_sub = NULL;
727 p_dec->pf_get_cc = NULL;
728 p_dec->pf_packetize = NULL;
730 /* Initialize the decoder */
731 p_dec->p_module = NULL;
733 memset( &null_es_format, 0, sizeof(es_format_t) );
734 es_format_Copy( &p_dec->fmt_in, fmt );
735 es_format_Copy( &p_dec->fmt_out, &null_es_format );
737 p_dec->p_description = NULL;
739 /* Allocate our private structure for the decoder */
740 p_dec->p_owner = p_owner = malloc( sizeof( decoder_owner_sys_t ) );
741 if( p_dec->p_owner == NULL )
743 vlc_object_release( p_dec );
746 p_dec->p_owner->i_preroll_end = VLC_TS_INVALID;
747 p_dec->p_owner->i_last_rate = INPUT_RATE_DEFAULT;
748 p_dec->p_owner->p_input = p_input;
749 p_dec->p_owner->p_aout = NULL;
750 p_dec->p_owner->p_aout_input = NULL;
751 p_dec->p_owner->p_vout = NULL;
752 p_dec->p_owner->p_spu_vout = NULL;
753 p_dec->p_owner->i_spu_channel = 0;
754 p_dec->p_owner->i_spu_order = 0;
755 p_dec->p_owner->p_sout = p_sout;
756 p_dec->p_owner->p_sout_input = NULL;
757 p_dec->p_owner->p_packetizer = NULL;
758 p_dec->p_owner->b_packetizer = b_packetizer;
761 if( ( p_dec->p_owner->p_fifo = block_FifoNew() ) == NULL )
763 free( p_dec->p_owner );
764 vlc_object_release( p_dec );
768 /* Set buffers allocation callbacks for the decoders */
769 p_dec->pf_aout_buffer_new = aout_new_buffer;
770 p_dec->pf_aout_buffer_del = aout_del_buffer;
771 p_dec->pf_vout_buffer_new = vout_new_buffer;
772 p_dec->pf_vout_buffer_del = vout_del_buffer;
773 p_dec->pf_picture_link = vout_link_picture;
774 p_dec->pf_picture_unlink = vout_unlink_picture;
775 p_dec->pf_spu_buffer_new = spu_new_buffer;
776 p_dec->pf_spu_buffer_del = spu_del_buffer;
778 p_dec->pf_get_attachments = DecoderGetInputAttachments;
779 p_dec->pf_get_display_date = DecoderGetDisplayDate;
780 p_dec->pf_get_display_rate = DecoderGetDisplayRate;
782 vlc_object_attach( p_dec, p_input );
784 /* Find a suitable decoder/packetizer module */
786 p_dec->p_module = module_need( p_dec, "decoder", "$codec", false );
788 p_dec->p_module = module_need( p_dec, "packetizer", "$packetizer", false );
790 /* Check if decoder requires already packetized data */
792 p_dec->b_need_packetized && !p_dec->fmt_in.b_packetized )
794 p_dec->p_owner->p_packetizer =
795 vlc_custom_create( p_input, sizeof( decoder_t ),
796 VLC_OBJECT_DECODER, "packetizer" );
797 if( p_dec->p_owner->p_packetizer )
799 es_format_Copy( &p_dec->p_owner->p_packetizer->fmt_in,
802 es_format_Copy( &p_dec->p_owner->p_packetizer->fmt_out,
805 vlc_object_attach( p_dec->p_owner->p_packetizer, p_input );
807 p_dec->p_owner->p_packetizer->p_module =
808 module_need( p_dec->p_owner->p_packetizer,
809 "packetizer", "$packetizer", false );
811 if( !p_dec->p_owner->p_packetizer->p_module )
813 es_format_Clean( &p_dec->p_owner->p_packetizer->fmt_in );
814 vlc_object_release( p_dec->p_owner->p_packetizer );
819 /* Copy ourself the input replay gain */
820 if( fmt->i_cat == AUDIO_ES )
822 for( unsigned i = 0; i < AUDIO_REPLAY_GAIN_MAX; i++ )
824 if( !p_dec->fmt_out.audio_replay_gain.pb_peak[i] )
826 p_dec->fmt_out.audio_replay_gain.pb_peak[i] = fmt->audio_replay_gain.pb_peak[i];
827 p_dec->fmt_out.audio_replay_gain.pf_peak[i] = fmt->audio_replay_gain.pf_peak[i];
829 if( !p_dec->fmt_out.audio_replay_gain.pb_gain[i] )
831 p_dec->fmt_out.audio_replay_gain.pb_gain[i] = fmt->audio_replay_gain.pb_gain[i];
832 p_dec->fmt_out.audio_replay_gain.pf_gain[i] = fmt->audio_replay_gain.pf_gain[i];
838 vlc_mutex_init( &p_owner->lock );
839 vlc_cond_init( &p_owner->wait_request );
840 vlc_cond_init( &p_owner->wait_acknowledge );
842 p_owner->b_fmt_description = false;
843 es_format_Init( &p_owner->fmt_description, UNKNOWN_ES, 0 );
844 p_owner->p_description = NULL;
846 p_owner->b_paused = false;
847 p_owner->pause.i_date = VLC_TS_INVALID;
848 p_owner->pause.i_ignore = 0;
850 p_owner->b_buffering = false;
851 p_owner->buffer.b_first = true;
852 p_owner->buffer.b_full = false;
853 p_owner->buffer.i_count = 0;
854 p_owner->buffer.p_picture = NULL;
855 p_owner->buffer.p_subpic = NULL;
856 p_owner->buffer.p_audio = NULL;
857 p_owner->buffer.p_block = NULL;
859 p_owner->b_flushing = false;
862 p_owner->cc.b_supported = false;
865 if( p_owner->p_packetizer && p_owner->p_packetizer->pf_get_cc )
866 p_owner->cc.b_supported = true;
867 if( p_dec->pf_get_cc )
868 p_owner->cc.b_supported = true;
871 for( unsigned i = 0; i < 4; i++ )
873 p_owner->cc.pb_present[i] = false;
874 p_owner->cc.pp_decoder[i] = NULL;
876 p_owner->i_ts_delay = 0;
881 * The decoding main loop
883 * \param p_dec the decoder
885 static void *DecoderThread( vlc_object_t *p_this )
887 decoder_t *p_dec = (decoder_t *)p_this;
888 decoder_owner_sys_t *p_owner = p_dec->p_owner;
890 /* The decoder's main loop */
893 block_t *p_block = block_FifoGet( p_owner->p_fifo );
895 /* Make sure there is no cancellation point other than this one^^.
896 * If you need one, be sure to push cleanup of p_block. */
897 DecoderSignalBuffering( p_dec, p_block == NULL );
901 int canc = vlc_savecancel();
904 DecoderError( p_dec, p_block );
906 DecoderProcess( p_dec, p_block );
908 vlc_restorecancel( canc );
914 static block_t *DecoderBlockFlushNew()
916 block_t *p_null = block_Alloc( 128 );
920 p_null->i_flags |= BLOCK_FLAG_DISCONTINUITY |
921 BLOCK_FLAG_CORRUPTED |
922 BLOCK_FLAG_CORE_FLUSH;
923 memset( p_null->p_buffer, 0, p_null->i_buffer );
928 static void DecoderFlush( decoder_t *p_dec )
930 decoder_owner_sys_t *p_owner = p_dec->p_owner;
932 vlc_assert_locked( &p_owner->lock );
935 block_FifoEmpty( p_owner->p_fifo );
937 /* Monitor for flush end */
938 p_owner->b_flushing = true;
939 vlc_cond_signal( &p_owner->wait_request );
941 /* Send a special block */
942 block_t *p_null = DecoderBlockFlushNew();
945 input_DecoderDecode( p_dec, p_null, false );
948 while( vlc_object_alive( p_dec ) && p_owner->b_flushing )
949 vlc_cond_wait( &p_owner->wait_acknowledge, &p_owner->lock );
952 static void DecoderSignalBuffering( decoder_t *p_dec, bool b_full )
954 decoder_owner_sys_t *p_owner = p_dec->p_owner;
956 vlc_mutex_lock( &p_owner->lock );
958 if( p_owner->b_buffering )
961 p_owner->buffer.b_full = true;
962 vlc_cond_signal( &p_owner->wait_acknowledge );
965 vlc_mutex_unlock( &p_owner->lock );
968 static bool DecoderIsFlushing( decoder_t *p_dec )
970 decoder_owner_sys_t *p_owner = p_dec->p_owner;
973 vlc_mutex_lock( &p_owner->lock );
975 b_flushing = p_owner->b_flushing;
977 vlc_mutex_unlock( &p_owner->lock );
982 static void DecoderWaitUnblock( decoder_t *p_dec, bool *pb_reject )
984 decoder_owner_sys_t *p_owner = p_dec->p_owner;
986 vlc_assert_locked( &p_owner->lock );
988 while( !p_owner->b_flushing )
990 if( p_owner->b_paused )
992 if( p_owner->b_buffering && !p_owner->buffer.b_full )
994 if( p_owner->pause.i_ignore > 0 )
996 p_owner->pause.i_ignore--;
1002 if( !p_owner->b_buffering || !p_owner->buffer.b_full )
1005 vlc_cond_wait( &p_owner->wait_request, &p_owner->lock );
1009 *pb_reject = p_owner->b_flushing;
1012 static void DecoderOutputChangePause( decoder_t *p_dec, bool b_paused, mtime_t i_date )
1014 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1016 vlc_assert_locked( &p_owner->lock );
1018 /* XXX only audio and video output have to be paused.
1019 * - for sout it is useless
1020 * - for subs, it is done by the vout
1022 if( p_dec->fmt_out.i_cat == AUDIO_ES )
1024 if( p_owner->p_aout && p_owner->p_aout_input )
1025 aout_DecChangePause( p_owner->p_aout, p_owner->p_aout_input,
1028 else if( p_dec->fmt_out.i_cat == VIDEO_ES )
1030 if( p_owner->p_vout )
1031 vout_ChangePause( p_owner->p_vout, b_paused, i_date );
1034 static inline void DecoderUpdatePreroll( int64_t *pi_preroll, const block_t *p )
1036 if( p->i_flags & (BLOCK_FLAG_PREROLL|BLOCK_FLAG_DISCONTINUITY) )
1037 *pi_preroll = INT64_MAX;
1038 else if( p->i_dts > VLC_TS_INVALID )
1039 *pi_preroll = __MIN( *pi_preroll, p->i_dts );
1040 else if( p->i_pts > VLC_TS_INVALID )
1041 *pi_preroll = __MIN( *pi_preroll, p->i_pts );
1044 static mtime_t DecoderTeletextFixTs( mtime_t i_ts )
1046 mtime_t current_date = mdate();
1048 /* FIXME I don't really like that, es_out SHOULD do it using the video pts */
1049 if( i_ts <= VLC_TS_INVALID || i_ts > current_date + 10000000 || i_ts < current_date )
1051 /* ETSI EN 300 472 Annex A : do not take into account the PTS
1052 * for teletext streams. */
1053 return current_date + 400000;
1058 static void DecoderFixTs( decoder_t *p_dec, mtime_t *pi_ts0, mtime_t *pi_ts1,
1059 mtime_t *pi_duration, int *pi_rate, mtime_t i_ts_bound, bool b_telx )
1061 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1062 input_clock_t *p_clock = p_owner->p_clock;
1064 vlc_assert_locked( &p_owner->lock );
1066 const mtime_t i_es_delay = p_owner->i_ts_delay;
1070 const bool b_ephemere = pi_ts1 && *pi_ts0 == *pi_ts1;
1073 if( *pi_ts0 > VLC_TS_INVALID )
1075 *pi_ts0 += i_es_delay;
1076 if( pi_ts1 && *pi_ts1 > VLC_TS_INVALID )
1077 *pi_ts1 += i_es_delay;
1078 if( input_clock_ConvertTS( p_clock, &i_rate, pi_ts0, pi_ts1, i_ts_bound ) )
1079 *pi_ts0 = VLC_TS_INVALID;
1083 i_rate = input_clock_GetRate( p_clock );
1086 /* Do not create ephemere data because of rounding errors */
1087 if( !b_ephemere && pi_ts1 && *pi_ts0 == *pi_ts1 )
1091 *pi_duration = ( *pi_duration * i_rate +
1092 INPUT_RATE_DEFAULT-1 ) / INPUT_RATE_DEFAULT;
1099 *pi_ts0 = DecoderTeletextFixTs( *pi_ts0 );
1100 if( pi_ts1 && *pi_ts1 <= VLC_TS_INVALID )
1107 * If *pb_reject, it does nothing, otherwise it waits for the given
1108 * deadline or a flush request (in which case it set *pi_reject to true.
1110 static void DecoderWaitDate( decoder_t *p_dec,
1111 bool *pb_reject, mtime_t i_deadline )
1113 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1115 if( *pb_reject || i_deadline < 0 )
1120 vlc_mutex_lock( &p_owner->lock );
1121 if( p_owner->b_flushing || p_dec->b_die )
1124 vlc_mutex_unlock( &p_owner->lock );
1127 int i_ret = vlc_cond_timedwait( &p_owner->wait_request, &p_owner->lock,
1129 vlc_mutex_unlock( &p_owner->lock );
1135 static void DecoderPlayAudio( decoder_t *p_dec, aout_buffer_t *p_audio,
1136 int *pi_played_sum, int *pi_lost_sum )
1138 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1139 aout_instance_t *p_aout = p_owner->p_aout;
1140 aout_input_t *p_aout_input = p_owner->p_aout_input;
1143 if( p_audio->i_pts <= VLC_TS_INVALID ) // FIXME --VLC_TS_INVALID verify audio_output/*
1145 msg_Warn( p_dec, "non-dated audio buffer received" );
1147 aout_BufferFree( p_audio );
1152 vlc_mutex_lock( &p_owner->lock );
1154 if( p_owner->b_buffering || p_owner->buffer.p_audio )
1156 p_audio->p_next = NULL;
1158 *p_owner->buffer.pp_audio_next = p_audio;
1159 p_owner->buffer.pp_audio_next = &p_audio->p_next;
1161 p_owner->buffer.i_count++;
1162 if( p_owner->buffer.i_count > DECODER_MAX_BUFFERING_COUNT ||
1163 p_audio->i_pts - p_owner->buffer.p_audio->i_pts > DECODER_MAX_BUFFERING_AUDIO_DURATION )
1165 p_owner->buffer.b_full = true;
1166 vlc_cond_signal( &p_owner->wait_acknowledge );
1172 bool b_has_more = false;
1174 DecoderWaitUnblock( p_dec, &b_reject );
1176 if( p_owner->b_buffering )
1178 vlc_mutex_unlock( &p_owner->lock );
1183 if( p_owner->buffer.p_audio )
1185 p_audio = p_owner->buffer.p_audio;
1187 p_owner->buffer.p_audio = p_audio->p_next;
1188 p_owner->buffer.i_count--;
1190 b_has_more = p_owner->buffer.p_audio != NULL;
1192 p_owner->buffer.pp_audio_next = &p_owner->buffer.p_audio;
1196 const bool b_dated = p_audio->i_pts > VLC_TS_INVALID;
1197 int i_rate = INPUT_RATE_DEFAULT;
1199 DecoderFixTs( p_dec, &p_audio->i_pts, NULL, &p_audio->i_length,
1200 &i_rate, AOUT_MAX_ADVANCE_TIME, false );
1202 vlc_mutex_unlock( &p_owner->lock );
1204 if( !p_aout || !p_aout_input ||
1205 p_audio->i_pts <= VLC_TS_INVALID ||
1206 i_rate < INPUT_RATE_DEFAULT/AOUT_MAX_INPUT_RATE ||
1207 i_rate > INPUT_RATE_DEFAULT*AOUT_MAX_INPUT_RATE )
1210 DecoderWaitDate( p_dec, &b_reject,
1211 p_audio->i_pts - AOUT_MAX_PREPARE_TIME );
1215 if( !aout_DecPlay( p_aout, p_aout_input, p_audio, i_rate ) )
1216 *pi_played_sum += 1;
1217 *pi_lost_sum += aout_DecGetResetLost( p_aout, p_aout_input );
1222 msg_Warn( p_dec, "received buffer in the future" );
1224 msg_Warn( p_dec, "non-dated audio buffer received" );
1227 aout_BufferFree( p_audio );
1233 vlc_mutex_lock( &p_owner->lock );
1234 if( !p_owner->buffer.p_audio )
1236 vlc_mutex_unlock( &p_owner->lock );
1242 static void DecoderDecodeAudio( decoder_t *p_dec, block_t *p_block )
1244 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1245 input_thread_t *p_input = p_owner->p_input;
1246 aout_buffer_t *p_aout_buf;
1251 while( (p_aout_buf = p_dec->pf_decode_audio( p_dec, &p_block )) )
1253 aout_instance_t *p_aout = p_owner->p_aout;
1254 aout_input_t *p_aout_input = p_owner->p_aout_input;
1258 /* It prevent freezing VLC in case of broken decoder */
1259 aout_DecDeleteBuffer( p_aout, p_aout_input, p_aout_buf );
1261 block_Release( p_block );
1266 if( p_owner->i_preroll_end > VLC_TS_INVALID &&
1267 p_aout_buf->i_pts < p_owner->i_preroll_end )
1269 aout_DecDeleteBuffer( p_aout, p_aout_input, p_aout_buf );
1273 if( p_owner->i_preroll_end > VLC_TS_INVALID )
1275 msg_Dbg( p_dec, "End of audio preroll" );
1276 if( p_owner->p_aout && p_owner->p_aout_input )
1277 aout_DecFlush( p_owner->p_aout, p_owner->p_aout_input );
1279 p_owner->i_preroll_end = VLC_TS_INVALID;
1282 DecoderPlayAudio( p_dec, p_aout_buf, &i_played, &i_lost );
1285 /* Update ugly stat */
1286 if( i_decoded > 0 || i_lost > 0 || i_played > 0 )
1288 vlc_mutex_lock( &p_input->p->counters.counters_lock);
1290 stats_UpdateInteger( p_dec, p_input->p->counters.p_lost_abuffers,
1292 stats_UpdateInteger( p_dec, p_input->p->counters.p_played_abuffers,
1294 stats_UpdateInteger( p_dec, p_input->p->counters.p_decoded_audio,
1297 vlc_mutex_unlock( &p_input->p->counters.counters_lock);
1300 static void DecoderGetCc( decoder_t *p_dec, decoder_t *p_dec_cc )
1302 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1305 bool b_processed = false;
1309 assert( p_dec_cc->pf_get_cc != NULL );
1311 /* Do not try retreiving CC if not wanted (sout) or cannot be retreived */
1312 if( !p_owner->cc.b_supported )
1315 p_cc = p_dec_cc->pf_get_cc( p_dec_cc, pb_present );
1319 vlc_mutex_lock( &p_owner->lock );
1320 for( i = 0, i_cc_decoder = 0; i < 4; i++ )
1322 p_owner->cc.pb_present[i] |= pb_present[i];
1323 if( p_owner->cc.pp_decoder[i] )
1327 for( i = 0; i < 4; i++ )
1329 if( !p_owner->cc.pp_decoder[i] )
1332 if( i_cc_decoder > 1 )
1333 DecoderProcess( p_owner->cc.pp_decoder[i], block_Duplicate( p_cc ) );
1335 DecoderProcess( p_owner->cc.pp_decoder[i], p_cc );
1339 vlc_mutex_unlock( &p_owner->lock );
1342 block_Release( p_cc );
1345 static void DecoderPlayVideo( decoder_t *p_dec, picture_t *p_picture,
1346 int *pi_played_sum, int *pi_lost_sum )
1348 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1349 vout_thread_t *p_vout = p_owner->p_vout;
1350 bool b_first_buffered;
1352 if( p_picture->date <= VLC_TS_INVALID )
1354 msg_Warn( p_dec, "non-dated video buffer received" );
1356 vout_ReleasePicture( p_vout, p_picture );
1361 vlc_mutex_lock( &p_owner->lock );
1363 if( ( p_owner->b_buffering && !p_owner->buffer.b_first ) || p_owner->buffer.p_picture )
1365 p_picture->p_next = NULL;
1367 *p_owner->buffer.pp_picture_next = p_picture;
1368 p_owner->buffer.pp_picture_next = &p_picture->p_next;
1370 p_owner->buffer.i_count++;
1371 if( p_owner->buffer.i_count > DECODER_MAX_BUFFERING_COUNT ||
1372 p_picture->date - p_owner->buffer.p_picture->date > DECODER_MAX_BUFFERING_VIDEO_DURATION )
1374 p_owner->buffer.b_full = true;
1375 vlc_cond_signal( &p_owner->wait_acknowledge );
1378 b_first_buffered = p_owner->buffer.p_picture != NULL;
1380 for( ;; b_first_buffered = false )
1382 bool b_has_more = false;
1386 DecoderWaitUnblock( p_dec, &b_reject );
1388 if( p_owner->b_buffering && !p_owner->buffer.b_first )
1390 vlc_mutex_unlock( &p_owner->lock );
1393 bool b_buffering_first = p_owner->b_buffering;
1396 if( p_owner->buffer.p_picture )
1398 p_picture = p_owner->buffer.p_picture;
1400 p_owner->buffer.p_picture = p_picture->p_next;
1401 p_owner->buffer.i_count--;
1403 b_has_more = p_owner->buffer.p_picture != NULL;
1405 p_owner->buffer.pp_picture_next = &p_owner->buffer.p_picture;
1409 if( b_buffering_first )
1411 assert( p_owner->buffer.b_first );
1412 assert( !p_owner->buffer.i_count );
1413 msg_Dbg( p_dec, "Received first picture" );
1414 p_owner->buffer.b_first = false;
1415 p_picture->b_force = true;
1418 const bool b_dated = p_picture->date > VLC_TS_INVALID;
1419 int i_rate = INPUT_RATE_DEFAULT;
1420 DecoderFixTs( p_dec, &p_picture->date, NULL, NULL,
1421 &i_rate, DECODER_BOGUS_VIDEO_DELAY, false );
1423 vlc_mutex_unlock( &p_owner->lock );
1426 if( !p_picture->b_force && p_picture->date <= VLC_TS_INVALID ) // FIXME --VLC_TS_INVALID verify video_output/*
1431 if( i_rate != p_owner->i_last_rate || b_first_buffered )
1433 /* Be sure to not display old picture after our own */
1434 vout_Flush( p_vout, p_picture->date );
1435 p_owner->i_last_rate = i_rate;
1437 vout_PutPicture( p_vout, p_picture );
1442 msg_Warn( p_dec, "early picture skipped" );
1444 msg_Warn( p_dec, "non-dated video buffer received" );
1447 vout_ReleasePicture( p_vout, p_picture );
1451 vout_GetResetStatistic( p_vout, &i_tmp_display, &i_tmp_lost );
1453 *pi_played_sum += i_tmp_display;
1454 *pi_lost_sum += i_tmp_lost;
1456 if( !b_has_more || b_buffering_first )
1459 vlc_mutex_lock( &p_owner->lock );
1460 if( !p_owner->buffer.p_picture )
1462 vlc_mutex_unlock( &p_owner->lock );
1468 static void DecoderDecodeVideo( decoder_t *p_dec, block_t *p_block )
1470 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1471 input_thread_t *p_input = p_owner->p_input;
1475 int i_displayed = 0;
1477 while( (p_pic = p_dec->pf_decode_video( p_dec, &p_block )) )
1479 vout_thread_t *p_vout = p_owner->p_vout;
1482 /* It prevent freezing VLC in case of broken decoder */
1483 vout_ReleasePicture( p_vout, p_pic );
1485 block_Release( p_block );
1491 if( p_owner->i_preroll_end > VLC_TS_INVALID && p_pic->date < p_owner->i_preroll_end )
1493 vout_ReleasePicture( p_vout, p_pic );
1497 if( p_owner->i_preroll_end > VLC_TS_INVALID )
1499 msg_Dbg( p_dec, "End of video preroll" );
1501 vout_Flush( p_vout, VLC_TS_INVALID+1 );
1503 p_owner->i_preroll_end = VLC_TS_INVALID;
1506 if( p_dec->pf_get_cc &&
1507 ( !p_owner->p_packetizer || !p_owner->p_packetizer->pf_get_cc ) )
1508 DecoderGetCc( p_dec, p_dec );
1510 DecoderPlayVideo( p_dec, p_pic, &i_displayed, &i_lost );
1512 if( i_decoded > 0 || i_lost > 0 || i_displayed > 0 )
1514 vlc_mutex_lock( &p_input->p->counters.counters_lock );
1516 stats_UpdateInteger( p_dec, p_input->p->counters.p_decoded_video,
1518 stats_UpdateInteger( p_dec, p_input->p->counters.p_lost_pictures,
1521 stats_UpdateInteger( p_dec, p_input->p->counters.p_displayed_pictures,
1524 vlc_mutex_unlock( &p_input->p->counters.counters_lock );
1528 static void DecoderPlaySpu( decoder_t *p_dec, subpicture_t *p_subpic,
1531 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1532 vout_thread_t *p_vout = p_owner->p_spu_vout;
1535 if( p_subpic->i_start <= VLC_TS_INVALID && !b_telx )
1537 msg_Warn( p_dec, "non-dated spu buffer received" );
1538 subpicture_Delete( p_subpic );
1543 vlc_mutex_lock( &p_owner->lock );
1545 if( p_owner->b_buffering || p_owner->buffer.p_subpic )
1547 p_subpic->p_next = NULL;
1549 *p_owner->buffer.pp_subpic_next = p_subpic;
1550 p_owner->buffer.pp_subpic_next = &p_subpic->p_next;
1552 p_owner->buffer.i_count++;
1553 /* XXX it is important to be full after the first one */
1554 if( p_owner->buffer.i_count > 0 )
1556 p_owner->buffer.b_full = true;
1557 vlc_cond_signal( &p_owner->wait_acknowledge );
1563 bool b_has_more = false;
1565 DecoderWaitUnblock( p_dec, &b_reject );
1567 if( p_owner->b_buffering )
1569 vlc_mutex_unlock( &p_owner->lock );
1574 if( p_owner->buffer.p_subpic )
1576 p_subpic = p_owner->buffer.p_subpic;
1578 p_owner->buffer.p_subpic = p_subpic->p_next;
1579 p_owner->buffer.i_count--;
1581 b_has_more = p_owner->buffer.p_subpic != NULL;
1583 p_owner->buffer.pp_subpic_next = &p_owner->buffer.p_subpic;
1587 DecoderFixTs( p_dec, &p_subpic->i_start, &p_subpic->i_stop, NULL,
1588 NULL, INT64_MAX, b_telx );
1590 vlc_mutex_unlock( &p_owner->lock );
1592 if( p_subpic->i_start <= VLC_TS_INVALID )
1595 DecoderWaitDate( p_dec, &b_reject,
1596 p_subpic->i_start - SPU_MAX_PREPARE_TIME );
1599 vout_PutSubpicture( p_vout, p_subpic );
1601 subpicture_Delete( p_subpic );
1605 vlc_mutex_lock( &p_owner->lock );
1606 if( !p_owner->buffer.p_subpic )
1608 vlc_mutex_unlock( &p_owner->lock );
1614 static void DecoderPlaySout( decoder_t *p_dec, block_t *p_sout_block,
1617 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1619 assert( p_owner->p_clock );
1620 assert( !p_sout_block->p_next );
1622 vlc_mutex_lock( &p_owner->lock );
1624 if( p_owner->b_buffering || p_owner->buffer.p_block )
1626 block_ChainLastAppend( &p_owner->buffer.pp_block_next, p_sout_block );
1628 p_owner->buffer.i_count++;
1629 /* XXX it is important to be full after the first one */
1630 if( p_owner->buffer.i_count > 0 )
1632 p_owner->buffer.b_full = true;
1633 vlc_cond_signal( &p_owner->wait_acknowledge );
1639 bool b_has_more = false;
1641 DecoderWaitUnblock( p_dec, &b_reject );
1643 if( p_owner->b_buffering )
1645 vlc_mutex_unlock( &p_owner->lock );
1650 if( p_owner->buffer.p_block )
1652 p_sout_block = p_owner->buffer.p_block;
1654 p_owner->buffer.p_block = p_sout_block->p_next;
1655 p_owner->buffer.i_count--;
1657 b_has_more = p_owner->buffer.p_block != NULL;
1659 p_owner->buffer.pp_block_next = &p_owner->buffer.p_block;
1661 p_sout_block->p_next = NULL;
1663 DecoderFixTs( p_dec, &p_sout_block->i_dts, &p_sout_block->i_pts,
1664 &p_sout_block->i_length,
1665 &p_sout_block->i_rate, INT64_MAX, b_telx );
1667 vlc_mutex_unlock( &p_owner->lock );
1670 sout_InputSendBuffer( p_owner->p_sout_input, p_sout_block ); // FIXME --VLC_TS_INVALID inspect stream_output/*
1672 block_Release( p_sout_block );
1676 vlc_mutex_lock( &p_owner->lock );
1677 if( !p_owner->buffer.p_block )
1679 vlc_mutex_unlock( &p_owner->lock );
1686 static void DecoderFlushBuffering( decoder_t *p_dec )
1688 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1690 vlc_assert_locked( &p_owner->lock );
1692 while( p_owner->buffer.p_picture )
1694 picture_t *p_picture = p_owner->buffer.p_picture;
1696 p_owner->buffer.p_picture = p_picture->p_next;
1697 p_owner->buffer.i_count--;
1699 if( p_owner->p_vout )
1701 vout_ReleasePicture( p_owner->p_vout, p_picture );
1704 if( !p_owner->buffer.p_picture )
1705 p_owner->buffer.pp_picture_next = &p_owner->buffer.p_picture;
1707 while( p_owner->buffer.p_audio )
1709 aout_buffer_t *p_audio = p_owner->buffer.p_audio;
1711 p_owner->buffer.p_audio = p_audio->p_next;
1712 p_owner->buffer.i_count--;
1714 aout_BufferFree( p_audio );
1716 if( !p_owner->buffer.p_audio )
1717 p_owner->buffer.pp_audio_next = &p_owner->buffer.p_audio;
1719 while( p_owner->buffer.p_subpic )
1721 subpicture_t *p_subpic = p_owner->buffer.p_subpic;
1723 p_owner->buffer.p_subpic = p_subpic->p_next;
1724 p_owner->buffer.i_count--;
1726 subpicture_Delete( p_subpic );
1728 if( !p_owner->buffer.p_subpic )
1729 p_owner->buffer.pp_subpic_next = &p_owner->buffer.p_subpic;
1731 if( p_owner->buffer.p_block )
1733 block_ChainRelease( p_owner->buffer.p_block );
1735 p_owner->buffer.i_count = 0;
1736 p_owner->buffer.p_block = NULL;
1737 p_owner->buffer.pp_block_next = &p_owner->buffer.p_block;
1741 /* This function process a block for sout
1743 static void DecoderProcessSout( decoder_t *p_dec, block_t *p_block )
1745 decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
1746 const bool b_telx = p_dec->fmt_in.i_codec == VLC_CODEC_TELETEXT;
1747 block_t *p_sout_block;
1749 while( ( p_sout_block =
1750 p_dec->pf_packetize( p_dec, p_block ? &p_block : NULL ) ) )
1752 if( !p_owner->p_sout_input )
1754 es_format_Copy( &p_owner->sout, &p_dec->fmt_out );
1756 p_owner->sout.i_group = p_dec->fmt_in.i_group;
1757 p_owner->sout.i_id = p_dec->fmt_in.i_id;
1758 if( p_dec->fmt_in.psz_language )
1760 free( p_owner->sout.psz_language );
1761 p_owner->sout.psz_language =
1762 strdup( p_dec->fmt_in.psz_language );
1765 p_owner->p_sout_input =
1766 sout_InputNew( p_owner->p_sout,
1769 if( p_owner->p_sout_input == NULL )
1771 msg_Err( p_dec, "cannot create packetizer output (%4.4s)",
1772 (char *)&p_owner->sout.i_codec );
1773 p_dec->b_error = true;
1775 while( p_sout_block )
1777 block_t *p_next = p_sout_block->p_next;
1778 block_Release( p_sout_block );
1779 p_sout_block = p_next;
1785 while( p_sout_block )
1787 block_t *p_next = p_sout_block->p_next;
1789 p_sout_block->p_next = NULL;
1791 DecoderPlaySout( p_dec, p_sout_block, b_telx );
1793 p_sout_block = p_next;
1798 /* This function process a video block
1800 static void DecoderProcessVideo( decoder_t *p_dec, block_t *p_block, bool b_flush )
1802 decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
1804 if( p_owner->p_packetizer )
1806 block_t *p_packetized_block;
1807 decoder_t *p_packetizer = p_owner->p_packetizer;
1809 while( (p_packetized_block =
1810 p_packetizer->pf_packetize( p_packetizer, p_block ? &p_block : NULL )) )
1812 if( p_packetizer->fmt_out.i_extra && !p_dec->fmt_in.i_extra )
1814 es_format_Clean( &p_dec->fmt_in );
1815 es_format_Copy( &p_dec->fmt_in, &p_packetizer->fmt_out );
1817 if( p_packetizer->pf_get_cc )
1818 DecoderGetCc( p_dec, p_packetizer );
1820 while( p_packetized_block )
1822 block_t *p_next = p_packetized_block->p_next;
1823 p_packetized_block->p_next = NULL;
1825 DecoderDecodeVideo( p_dec, p_packetized_block );
1827 p_packetized_block = p_next;
1830 /* The packetizer does not output a block that tell the decoder to flush
1834 block_t *p_null = DecoderBlockFlushNew();
1836 DecoderDecodeVideo( p_dec, p_null );
1841 DecoderDecodeVideo( p_dec, p_block );
1844 if( b_flush && p_owner->p_vout )
1845 vout_Flush( p_owner->p_vout, VLC_TS_INVALID+1 );
1848 /* This function process a audio block
1850 static void DecoderProcessAudio( decoder_t *p_dec, block_t *p_block, bool b_flush )
1852 decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
1854 if( p_owner->p_packetizer )
1856 block_t *p_packetized_block;
1857 decoder_t *p_packetizer = p_owner->p_packetizer;
1859 while( (p_packetized_block =
1860 p_packetizer->pf_packetize( p_packetizer, p_block ? &p_block : NULL )) )
1862 if( p_packetizer->fmt_out.i_extra && !p_dec->fmt_in.i_extra )
1864 es_format_Clean( &p_dec->fmt_in );
1865 es_format_Copy( &p_dec->fmt_in, &p_packetizer->fmt_out );
1868 while( p_packetized_block )
1870 block_t *p_next = p_packetized_block->p_next;
1871 p_packetized_block->p_next = NULL;
1873 DecoderDecodeAudio( p_dec, p_packetized_block );
1875 p_packetized_block = p_next;
1878 /* The packetizer does not output a block that tell the decoder to flush
1882 block_t *p_null = DecoderBlockFlushNew();
1884 DecoderDecodeAudio( p_dec, p_null );
1889 DecoderDecodeAudio( p_dec, p_block );
1892 if( b_flush && p_owner->p_aout && p_owner->p_aout_input )
1893 aout_DecFlush( p_owner->p_aout, p_owner->p_aout_input );
1896 /* This function process a subtitle block
1898 static void DecoderProcessSpu( decoder_t *p_dec, block_t *p_block, bool b_flush )
1900 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1901 const bool b_telx = p_dec->fmt_in.i_codec == VLC_CODEC_TELETEXT;
1903 input_thread_t *p_input = p_owner->p_input;
1904 vout_thread_t *p_vout;
1905 subpicture_t *p_spu;
1907 while( (p_spu = p_dec->pf_decode_sub( p_dec, p_block ? &p_block : NULL ) ) )
1909 vlc_mutex_lock( &p_input->p->counters.counters_lock );
1910 stats_UpdateInteger( p_dec, p_input->p->counters.p_decoded_sub, 1, NULL );
1911 vlc_mutex_unlock( &p_input->p->counters.counters_lock );
1913 p_vout = input_resource_HoldVout( p_input->p->p_resource );
1914 if( p_vout && p_owner->p_spu_vout == p_vout )
1916 /* Preroll does not work very well with subtitle */
1917 if( p_spu->i_start > VLC_TS_INVALID &&
1918 p_spu->i_start < p_owner->i_preroll_end &&
1919 ( p_spu->i_stop <= VLC_TS_INVALID || p_spu->i_stop < p_owner->i_preroll_end ) )
1921 subpicture_Delete( p_spu );
1925 DecoderPlaySpu( p_dec, p_spu, b_telx );
1930 subpicture_Delete( p_spu );
1933 vlc_object_release( p_vout );
1936 if( b_flush && p_owner->p_spu_vout )
1938 p_vout = input_resource_HoldVout( p_input->p->p_resource );
1940 if( p_vout && p_owner->p_spu_vout == p_vout )
1941 vout_FlushSubpictureChannel( p_vout, p_owner->i_spu_channel );
1944 vlc_object_release( p_vout );
1949 static void DecoderProcessOnFlush( decoder_t *p_dec )
1951 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1953 vlc_mutex_lock( &p_owner->lock );
1954 DecoderFlushBuffering( p_dec );
1956 if( p_owner->b_flushing )
1958 p_owner->b_flushing = false;
1959 vlc_cond_signal( &p_owner->wait_acknowledge );
1961 vlc_mutex_unlock( &p_owner->lock );
1967 * \param p_dec the decoder object
1968 * \param p_block the block to decode
1969 * \return VLC_SUCCESS or an error code
1971 static void DecoderProcess( decoder_t *p_dec, block_t *p_block )
1973 decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
1974 const bool b_flush_request = p_block && (p_block->i_flags & BLOCK_FLAG_CORE_FLUSH);
1976 if( p_block && p_block->i_buffer <= 0 )
1978 assert( !b_flush_request );
1979 block_Release( p_block );
1984 if( p_owner->b_packetizer )
1987 p_block->i_flags &= ~BLOCK_FLAG_CORE_PRIVATE_MASK;
1989 DecoderProcessSout( p_dec, p_block );
1994 bool b_flush = false;
1998 const bool b_flushing = p_owner->i_preroll_end == INT64_MAX;
1999 DecoderUpdatePreroll( &p_owner->i_preroll_end, p_block );
2001 b_flush = !b_flushing && b_flush_request;
2003 p_block->i_flags &= ~BLOCK_FLAG_CORE_PRIVATE_MASK;
2006 if( p_dec->fmt_out.i_cat == AUDIO_ES )
2008 DecoderProcessAudio( p_dec, p_block, b_flush );
2010 else if( p_dec->fmt_out.i_cat == VIDEO_ES )
2012 DecoderProcessVideo( p_dec, p_block, b_flush );
2014 else if( p_dec->fmt_out.i_cat == SPU_ES )
2016 DecoderProcessSpu( p_dec, p_block, b_flush );
2020 msg_Err( p_dec, "unknown ES format" );
2021 p_dec->b_error = true;
2026 if( b_flush_request )
2027 DecoderProcessOnFlush( p_dec );
2030 static void DecoderError( decoder_t *p_dec, block_t *p_block )
2032 const bool b_flush_request = p_block && (p_block->i_flags & BLOCK_FLAG_CORE_FLUSH);
2036 block_Release( p_block );
2038 if( b_flush_request )
2039 DecoderProcessOnFlush( p_dec );
2044 * Destroys a decoder object
2046 * \param p_dec the decoder object
2049 static void DeleteDecoder( decoder_t * p_dec )
2051 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2053 msg_Dbg( p_dec, "killing decoder fourcc `%4.4s', %u PES in FIFO",
2054 (char*)&p_dec->fmt_in.i_codec,
2055 (unsigned)block_FifoCount( p_owner->p_fifo ) );
2057 /* Free all packets still in the decoder fifo. */
2058 block_FifoEmpty( p_owner->p_fifo );
2059 block_FifoRelease( p_owner->p_fifo );
2062 vlc_mutex_lock( &p_owner->lock );
2063 DecoderFlushBuffering( p_dec );
2064 vlc_mutex_unlock( &p_owner->lock );
2067 if( p_owner->p_aout_input )
2068 aout_DecDelete( p_owner->p_aout, p_owner->p_aout_input );
2069 if( p_owner->p_aout )
2071 input_resource_RequestAout( p_owner->p_input->p->p_resource,
2073 input_SendEventAout( p_owner->p_input );
2074 p_owner->p_aout = NULL;
2076 if( p_owner->p_vout )
2078 /* Hack to make sure all the the pictures are freed by the decoder
2079 * and that the vout is not paused anymore */
2080 vout_Reset( p_owner->p_vout );
2083 input_resource_RequestVout( p_owner->p_input->p->p_resource, p_owner->p_vout, NULL, 0, true );
2084 input_SendEventVout( p_owner->p_input );
2088 if( p_owner->p_sout_input )
2090 sout_InputDelete( p_owner->p_sout_input );
2091 es_format_Clean( &p_owner->sout );
2095 if( p_dec->fmt_out.i_cat == SPU_ES )
2097 vout_thread_t *p_vout;
2099 p_vout = input_resource_HoldVout( p_owner->p_input->p->p_resource );
2102 if( p_owner->p_spu_vout == p_vout )
2103 vout_FlushSubpictureChannel( p_vout, p_owner->i_spu_channel );
2104 vlc_object_release( p_vout );
2108 es_format_Clean( &p_dec->fmt_in );
2109 es_format_Clean( &p_dec->fmt_out );
2110 if( p_dec->p_description )
2111 vlc_meta_Delete( p_dec->p_description );
2112 es_format_Clean( &p_owner->fmt_description );
2113 if( p_owner->p_description )
2114 vlc_meta_Delete( p_owner->p_description );
2116 if( p_owner->p_packetizer )
2118 module_unneed( p_owner->p_packetizer,
2119 p_owner->p_packetizer->p_module );
2120 es_format_Clean( &p_owner->p_packetizer->fmt_in );
2121 es_format_Clean( &p_owner->p_packetizer->fmt_out );
2122 if( p_owner->p_packetizer->p_description )
2123 vlc_meta_Delete( p_owner->p_packetizer->p_description );
2124 vlc_object_release( p_owner->p_packetizer );
2127 vlc_cond_destroy( &p_owner->wait_acknowledge );
2128 vlc_cond_destroy( &p_owner->wait_request );
2129 vlc_mutex_destroy( &p_owner->lock );
2131 vlc_object_release( p_dec );
2136 /*****************************************************************************
2137 * Buffers allocation callbacks for the decoders
2138 *****************************************************************************/
2139 static void DecoderUpdateFormatLocked( decoder_t *p_dec )
2141 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2143 vlc_assert_locked( &p_owner->lock );
2145 p_owner->b_fmt_description = true;
2147 /* Copy es_format */
2148 es_format_Clean( &p_owner->fmt_description );
2149 es_format_Copy( &p_owner->fmt_description, &p_dec->fmt_out );
2151 /* Move p_description */
2152 if( p_owner->p_description && p_dec->p_description )
2153 vlc_meta_Delete( p_owner->p_description );
2154 p_owner->p_description = p_dec->p_description;
2155 p_dec->p_description = NULL;
2157 static vout_thread_t *aout_request_vout( void *p_private,
2158 vout_thread_t *p_vout, video_format_t *p_fmt, bool b_recyle )
2160 decoder_t *p_dec = p_private;
2161 input_thread_t *p_input = p_dec->p_owner->p_input;
2163 p_vout = input_resource_RequestVout( p_input->p->p_resource, p_vout, p_fmt, 1, b_recyle );
2164 input_SendEventVout( p_input );
2169 static aout_buffer_t *aout_new_buffer( decoder_t *p_dec, int i_samples )
2171 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2172 aout_buffer_t *p_buffer;
2174 if( p_owner->p_aout_input != NULL &&
2175 ( p_dec->fmt_out.audio.i_rate != p_owner->audio.i_rate ||
2176 p_dec->fmt_out.audio.i_original_channels !=
2177 p_owner->audio.i_original_channels ||
2178 p_dec->fmt_out.audio.i_bytes_per_frame !=
2179 p_owner->audio.i_bytes_per_frame ) )
2181 aout_input_t *p_aout_input = p_owner->p_aout_input;
2183 /* Parameters changed, restart the aout */
2184 vlc_mutex_lock( &p_owner->lock );
2186 DecoderFlushBuffering( p_dec );
2188 p_owner->p_aout_input = NULL;
2189 aout_DecDelete( p_owner->p_aout, p_aout_input );
2191 vlc_mutex_unlock( &p_owner->lock );
2194 if( p_owner->p_aout_input == NULL )
2196 const int i_force_dolby = var_InheritInteger( p_dec, "force-dolby-surround" );
2197 audio_sample_format_t format;
2198 aout_input_t *p_aout_input;
2199 aout_instance_t *p_aout;
2200 aout_request_vout_t request_vout;
2202 p_dec->fmt_out.audio.i_format = p_dec->fmt_out.i_codec;
2203 p_owner->audio = p_dec->fmt_out.audio;
2205 memcpy( &format, &p_owner->audio, sizeof( audio_sample_format_t ) );
2206 if( i_force_dolby &&
2207 (format.i_original_channels&AOUT_CHAN_PHYSMASK) ==
2208 (AOUT_CHAN_LEFT|AOUT_CHAN_RIGHT) )
2210 if( i_force_dolby == 1 )
2212 format.i_original_channels = format.i_original_channels |
2213 AOUT_CHAN_DOLBYSTEREO;
2215 else /* i_force_dolby == 2 */
2217 format.i_original_channels = format.i_original_channels &
2218 ~AOUT_CHAN_DOLBYSTEREO;
2222 request_vout.pf_request_vout = aout_request_vout;
2223 request_vout.p_private = p_dec;
2225 p_aout = p_owner->p_aout;
2227 p_aout = input_resource_RequestAout( p_owner->p_input->p->p_resource, NULL );
2228 p_aout_input = aout_DecNew( p_dec, &p_aout,
2229 &format, &p_dec->fmt_out.audio_replay_gain, &request_vout );
2231 vlc_mutex_lock( &p_owner->lock );
2233 p_owner->p_aout = p_aout;
2234 p_owner->p_aout_input = p_aout_input;
2235 DecoderUpdateFormatLocked( p_dec );
2237 vlc_mutex_unlock( &p_owner->lock );
2239 input_SendEventAout( p_owner->p_input );
2241 if( p_owner->p_aout_input == NULL )
2243 msg_Err( p_dec, "failed to create audio output" );
2244 p_dec->b_error = true;
2247 p_dec->fmt_out.audio.i_bytes_per_frame =
2248 p_owner->audio.i_bytes_per_frame;
2251 p_buffer = aout_DecNewBuffer( p_owner->p_aout_input, i_samples );
2256 static void aout_del_buffer( decoder_t *p_dec, aout_buffer_t *p_buffer )
2258 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2260 aout_DecDeleteBuffer( p_owner->p_aout,
2261 p_owner->p_aout_input, p_buffer );
2264 static picture_t *vout_new_buffer( decoder_t *p_dec )
2266 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2268 if( p_owner->p_vout == NULL ||
2269 p_dec->fmt_out.video.i_width != p_owner->video.i_width ||
2270 p_dec->fmt_out.video.i_height != p_owner->video.i_height ||
2271 p_dec->fmt_out.video.i_visible_width != p_owner->video.i_visible_width ||
2272 p_dec->fmt_out.video.i_visible_height != p_owner->video.i_visible_height ||
2273 p_dec->fmt_out.video.i_x_offset != p_owner->video.i_x_offset ||
2274 p_dec->fmt_out.video.i_y_offset != p_owner->video.i_y_offset ||
2275 p_dec->fmt_out.i_codec != p_owner->video.i_chroma ||
2276 (int64_t)p_dec->fmt_out.video.i_sar_num * p_owner->video.i_sar_den !=
2277 (int64_t)p_dec->fmt_out.video.i_sar_den * p_owner->video.i_sar_num )
2279 vout_thread_t *p_vout;
2281 if( !p_dec->fmt_out.video.i_width ||
2282 !p_dec->fmt_out.video.i_height )
2284 /* Can't create a new vout without display size */
2288 video_format_t fmt = p_dec->fmt_out.video;
2289 fmt.i_chroma = p_dec->fmt_out.i_codec;
2290 p_owner->video = fmt;
2292 if( !fmt.i_visible_width || !fmt.i_visible_height )
2294 if( p_dec->fmt_in.video.i_visible_width &&
2295 p_dec->fmt_in.video.i_visible_height )
2297 fmt.i_visible_width = p_dec->fmt_in.video.i_visible_width;
2298 fmt.i_visible_height = p_dec->fmt_in.video.i_visible_height;
2302 fmt.i_visible_width = fmt.i_width;
2303 fmt.i_visible_height = fmt.i_height;
2307 if( fmt.i_visible_height == 1088 &&
2308 var_CreateGetBool( p_dec, "hdtv-fix" ) )
2310 fmt.i_visible_height = 1080;
2311 if( !(fmt.i_sar_num % 136))
2313 fmt.i_sar_num *= 135;
2314 fmt.i_sar_den *= 136;
2316 msg_Warn( p_dec, "Fixing broken HDTV stream (display_height=1088)");
2319 if( !fmt.i_sar_num || !fmt.i_sar_den )
2325 vlc_ureduce( &fmt.i_sar_num, &fmt.i_sar_den,
2326 fmt.i_sar_num, fmt.i_sar_den, 50000 );
2328 vlc_mutex_lock( &p_owner->lock );
2330 DecoderFlushBuffering( p_dec );
2332 p_vout = p_owner->p_vout;
2333 p_owner->p_vout = NULL;
2334 vlc_mutex_unlock( &p_owner->lock );
2337 switch( p_dec->fmt_in.i_codec )
2339 case VLC_CODEC_H264:
2340 case VLC_CODEC_DIRAC: /* FIXME valid ? */
2345 case VLC_CODEC_VP6F:
2353 p_vout = input_resource_RequestVout( p_owner->p_input->p->p_resource,
2355 dpb_size + 1 + DECODER_MAX_BUFFERING_COUNT,
2357 vlc_mutex_lock( &p_owner->lock );
2358 p_owner->p_vout = p_vout;
2360 DecoderUpdateFormatLocked( p_dec );
2362 vlc_mutex_unlock( &p_owner->lock );
2364 input_SendEventVout( p_owner->p_input );
2365 if( p_vout == NULL )
2367 msg_Err( p_dec, "failed to create video output" );
2368 p_dec->b_error = true;
2373 /* Get a new picture
2377 if( p_dec->b_die || p_dec->b_error )
2380 picture_t *p_picture = vout_GetPicture( p_owner->p_vout );
2384 if( DecoderIsFlushing( p_dec ) )
2388 DecoderSignalBuffering( p_dec, true );
2390 /* Check the decoder doesn't leak pictures */
2391 vout_FixLeaks( p_owner->p_vout );
2393 /* FIXME add a vout_WaitPictureAvailable (timedwait) */
2394 msleep( VOUT_OUTMEM_SLEEP );
2398 static void vout_del_buffer( decoder_t *p_dec, picture_t *p_pic )
2400 vout_ReleasePicture( p_dec->p_owner->p_vout, p_pic );
2403 static void vout_link_picture( decoder_t *p_dec, picture_t *p_pic )
2405 vout_HoldPicture( p_dec->p_owner->p_vout, p_pic );
2408 static void vout_unlink_picture( decoder_t *p_dec, picture_t *p_pic )
2410 vout_ReleasePicture( p_dec->p_owner->p_vout, p_pic );
2413 static subpicture_t *spu_new_buffer( decoder_t *p_dec,
2414 const subpicture_updater_t *p_updater )
2416 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2417 vout_thread_t *p_vout = NULL;
2418 subpicture_t *p_subpic;
2419 int i_attempts = 30;
2421 while( i_attempts-- )
2423 if( p_dec->b_die || p_dec->b_error )
2426 p_vout = input_resource_HoldVout( p_owner->p_input->p->p_resource );
2430 msleep( DECODER_SPU_VOUT_WAIT_DURATION );
2435 msg_Warn( p_dec, "no vout found, dropping subpicture" );
2439 if( p_owner->p_spu_vout != p_vout )
2441 vlc_mutex_lock( &p_owner->lock );
2443 DecoderFlushBuffering( p_dec );
2445 vlc_mutex_unlock( &p_owner->lock );
2447 p_owner->i_spu_channel = vout_RegisterSubpictureChannel( p_vout );
2448 p_owner->i_spu_order = 0;
2449 p_owner->p_spu_vout = p_vout;
2452 p_subpic = subpicture_New( p_updater );
2455 p_subpic->i_channel = p_owner->i_spu_channel;
2456 p_subpic->i_order = p_owner->i_spu_order++;
2457 p_subpic->b_subtitle = true;
2460 vlc_object_release( p_vout );
2465 static void spu_del_buffer( decoder_t *p_dec, subpicture_t *p_subpic )
2467 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2468 vout_thread_t *p_vout = NULL;
2470 p_vout = input_resource_HoldVout( p_owner->p_input->p->p_resource );
2471 if( !p_vout || p_owner->p_spu_vout != p_vout )
2474 vlc_object_release( p_vout );
2475 msg_Warn( p_dec, "no vout found, leaking subpicture" );
2479 subpicture_Delete( p_subpic );
2481 vlc_object_release( p_vout );