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>
45 #include "audio_output/aout_internal.h"
46 #include "stream_output/stream_output.h"
47 #include "input_internal.h"
53 #include "../video_output/vout_control.h"
55 static decoder_t *CreateDecoder( input_thread_t *, es_format_t *, bool,
56 sout_instance_t *p_sout );
57 static void DeleteDecoder( decoder_t * );
59 static void *DecoderThread( vlc_object_t * );
60 static void DecoderProcess( decoder_t *, block_t * );
61 static void DecoderError( decoder_t *p_dec, block_t *p_block );
62 static void DecoderOutputChangePause( decoder_t *, bool b_paused, mtime_t i_date );
63 static void DecoderFlush( decoder_t * );
64 static void DecoderSignalBuffering( decoder_t *, bool );
65 static void DecoderFlushBuffering( decoder_t * );
67 static void DecoderUnsupportedCodec( decoder_t *, vlc_fourcc_t );
69 /* Buffers allocation callbacks for the decoders */
70 static aout_buffer_t *aout_new_buffer( decoder_t *, int );
71 static void aout_del_buffer( decoder_t *, aout_buffer_t * );
73 static picture_t *vout_new_buffer( decoder_t * );
74 static void vout_del_buffer( decoder_t *, picture_t * );
75 static void vout_link_picture( decoder_t *, picture_t * );
76 static void vout_unlink_picture( decoder_t *, picture_t * );
78 static subpicture_t *spu_new_buffer( decoder_t * );
79 static void spu_del_buffer( decoder_t *, subpicture_t * );
81 struct decoder_owner_sys_t
83 int64_t i_preroll_end;
85 input_thread_t *p_input;
86 input_clock_t *p_clock;
89 vout_thread_t *p_spu_vout;
93 sout_instance_t *p_sout;
94 sout_packetizer_input_t *p_sout_input;
96 /* Some decoders require already packetized data (ie. not truncated) */
97 decoder_t *p_packetizer;
100 /* Current format in use by the output */
101 video_format_t video;
102 audio_format_t audio;
106 bool b_fmt_description;
107 es_format_t fmt_description;
108 vlc_meta_t *p_description;
111 block_fifo_t *p_fifo;
113 /* Lock for communication with decoder thread */
115 vlc_cond_t wait_request;
116 vlc_cond_t wait_acknowledge;
118 /* -- These variables need locking on write(only) -- */
119 aout_instance_t *p_aout;
120 aout_input_t *p_aout_input;
122 vout_thread_t *p_vout;
124 /* -- Theses variables need locking on read *and* write -- */
142 picture_t *p_picture;
143 picture_t **pp_picture_next;
145 subpicture_t *p_subpic;
146 subpicture_t **pp_subpic_next;
148 aout_buffer_t *p_audio;
149 aout_buffer_t **pp_audio_next;
152 block_t **pp_block_next;
163 decoder_t *pp_decoder[4];
170 #define DECODER_MAX_BUFFERING_COUNT (4)
171 #define DECODER_MAX_BUFFERING_AUDIO_DURATION (AOUT_MAX_PREPARE_TIME)
172 #define DECODER_MAX_BUFFERING_VIDEO_DURATION (1*CLOCK_FREQ)
174 /* Pictures which are DECODER_BOGUS_VIDEO_DELAY or more in advance probably have
175 * a bogus PTS and won't be displayed */
176 #define DECODER_BOGUS_VIDEO_DELAY ((mtime_t)(DEFAULT_PTS_DELAY * 30))
179 #define DECODER_SPU_VOUT_WAIT_DURATION ((int)(0.200*CLOCK_FREQ))
182 /*****************************************************************************
184 *****************************************************************************/
185 picture_t *decoder_NewPicture( decoder_t *p_decoder )
187 picture_t *p_picture = p_decoder->pf_vout_buffer_new( p_decoder );
189 msg_Warn( p_decoder, "can't get output picture" );
192 void decoder_DeletePicture( decoder_t *p_decoder, picture_t *p_picture )
194 p_decoder->pf_vout_buffer_del( p_decoder, p_picture );
196 void decoder_LinkPicture( decoder_t *p_decoder, picture_t *p_picture )
198 p_decoder->pf_picture_link( p_decoder, p_picture );
200 void decoder_UnlinkPicture( decoder_t *p_decoder, picture_t *p_picture )
202 p_decoder->pf_picture_unlink( p_decoder, p_picture );
205 aout_buffer_t *decoder_NewAudioBuffer( decoder_t *p_decoder, int i_size )
207 if( !p_decoder->pf_aout_buffer_new )
209 return p_decoder->pf_aout_buffer_new( p_decoder, i_size );
211 void decoder_DeleteAudioBuffer( decoder_t *p_decoder, aout_buffer_t *p_buffer )
213 p_decoder->pf_aout_buffer_del( p_decoder, p_buffer );
216 subpicture_t *decoder_NewSubpicture( decoder_t *p_decoder )
218 subpicture_t *p_subpicture = p_decoder->pf_spu_buffer_new( p_decoder );
220 msg_Warn( p_decoder, "can't get output subpicture" );
223 void decoder_DeleteSubpicture( decoder_t *p_decoder, subpicture_t *p_subpicture )
225 p_decoder->pf_spu_buffer_del( p_decoder, p_subpicture );
228 /* decoder_GetInputAttachments:
230 int decoder_GetInputAttachments( decoder_t *p_dec,
231 input_attachment_t ***ppp_attachment,
234 if( !p_dec->pf_get_attachments )
237 return p_dec->pf_get_attachments( p_dec, ppp_attachment, pi_attachment );
239 /* decoder_GetDisplayDate:
241 mtime_t decoder_GetDisplayDate( decoder_t *p_dec, mtime_t i_ts )
243 if( !p_dec->pf_get_display_date )
244 return VLC_TS_INVALID;
246 return p_dec->pf_get_display_date( p_dec, i_ts );
248 /* decoder_GetDisplayRate:
250 int decoder_GetDisplayRate( decoder_t *p_dec )
252 if( !p_dec->pf_get_display_rate )
253 return INPUT_RATE_DEFAULT;
255 return p_dec->pf_get_display_rate( p_dec );
259 * Spawns a new decoder thread
261 * \param p_input the input thread
262 * \param p_es the es descriptor
263 * \return the spawned decoder object
265 decoder_t *input_DecoderNew( input_thread_t *p_input,
266 es_format_t *fmt, input_clock_t *p_clock,
267 sout_instance_t *p_sout )
269 decoder_t *p_dec = NULL;
270 const char *psz_type = p_sout ? N_("packetizer") : N_("decoder");
273 /* Create the decoder configuration structure */
274 p_dec = CreateDecoder( p_input, fmt, p_sout != NULL, p_sout );
277 msg_Err( p_input, "could not create %s", psz_type );
278 dialog_Fatal( p_input, _("Streaming / Transcoding failed"),
279 _("VLC could not open the %s module."),
280 vlc_gettext( psz_type ) );
284 if( !p_dec->p_module )
286 DecoderUnsupportedCodec( p_dec, fmt->i_codec );
288 DeleteDecoder( p_dec );
289 vlc_object_release( p_dec );
293 p_dec->p_owner->p_clock = p_clock;
294 assert( p_dec->fmt_out.i_cat != UNKNOWN_ES );
296 if( p_dec->fmt_out.i_cat == AUDIO_ES )
297 i_priority = VLC_THREAD_PRIORITY_AUDIO;
299 i_priority = VLC_THREAD_PRIORITY_VIDEO;
301 /* Spawn the decoder thread */
302 if( vlc_thread_create( p_dec, "decoder", DecoderThread, i_priority ) )
304 msg_Err( p_dec, "cannot spawn decoder thread" );
305 module_unneed( p_dec, p_dec->p_module );
306 DeleteDecoder( p_dec );
307 vlc_object_release( p_dec );
315 * Kills a decoder thread and waits until it's finished
317 * \param p_input the input thread
318 * \param p_es the es descriptor
321 void input_DecoderDelete( decoder_t *p_dec )
323 decoder_owner_sys_t *p_owner = p_dec->p_owner;
325 vlc_object_kill( p_dec );
327 /* Make sure we aren't paused/buffering/waiting anymore */
328 vlc_mutex_lock( &p_owner->lock );
329 const bool b_was_paused = p_owner->b_paused;
330 p_owner->b_paused = false;
331 p_owner->b_buffering = false;
332 p_owner->b_flushing = true;
333 vlc_cond_signal( &p_owner->wait_request );
334 vlc_mutex_unlock( &p_owner->lock );
336 vlc_thread_join( p_dec );
337 p_owner->b_paused = b_was_paused;
339 module_unneed( p_dec, p_dec->p_module );
342 if( p_dec->p_owner->cc.b_supported )
345 for( i = 0; i < 4; i++ )
346 input_DecoderSetCcState( p_dec, false, i );
349 /* Delete decoder configuration */
350 DeleteDecoder( p_dec );
352 /* Delete the decoder */
353 vlc_object_release( p_dec );
357 * Put a block_t in the decoder's fifo.
358 * Thread-safe w.r.t. the decoder. May be a cancellation point.
360 * \param p_dec the decoder object
361 * \param p_block the data block
363 void input_DecoderDecode( decoder_t *p_dec, block_t *p_block, bool b_do_pace )
365 decoder_owner_sys_t *p_owner = p_dec->p_owner;
369 /* The fifo is not consummed when buffering and so will
371 * There is no need to lock as b_buffering is never modify
372 * inside decoder thread. */
373 if( !p_owner->b_buffering )
374 block_FifoPace( p_owner->p_fifo, 10, SIZE_MAX );
377 else if( block_FifoSize( p_owner->p_fifo ) > 50000000 /* 50 MB */ )
379 else if( block_FifoSize( p_owner->p_fifo ) > 400000000 /* 400 MB, ie ~ 50mb/s for 60s */ )
382 /* FIXME: ideally we would check the time amount of data
383 * in the FIFO instead of its size. */
384 msg_Warn( p_dec, "decoder/packetizer fifo full (data not "
385 "consumed quickly enough), resetting fifo!" );
386 block_FifoEmpty( p_owner->p_fifo );
389 block_FifoPut( p_owner->p_fifo, p_block );
392 bool input_DecoderIsEmpty( decoder_t * p_dec )
394 assert( !p_dec->p_owner->b_buffering );
396 /* FIXME that's not really true */
397 return block_FifoCount( p_dec->p_owner->p_fifo ) <= 0;
400 void input_DecoderIsCcPresent( decoder_t *p_dec, bool pb_present[4] )
402 decoder_owner_sys_t *p_owner = p_dec->p_owner;
405 vlc_mutex_lock( &p_owner->lock );
406 for( i = 0; i < 4; i++ )
407 pb_present[i] = p_owner->cc.pb_present[i];
408 vlc_mutex_unlock( &p_owner->lock );
410 int input_DecoderSetCcState( decoder_t *p_dec, bool b_decode, int i_channel )
412 decoder_owner_sys_t *p_owner = p_dec->p_owner;
414 //msg_Warn( p_dec, "input_DecoderSetCcState: %d @%d", b_decode, i_channel );
416 if( i_channel < 0 || i_channel >= 4 || !p_owner->cc.pb_present[i_channel] )
421 static const vlc_fourcc_t fcc[4] = {
422 VLC_FOURCC('c', 'c', '1', ' '),
423 VLC_FOURCC('c', 'c', '2', ' '),
424 VLC_FOURCC('c', 'c', '3', ' '),
425 VLC_FOURCC('c', 'c', '4', ' '),
430 es_format_Init( &fmt, SPU_ES, fcc[i_channel] );
431 p_cc = CreateDecoder( p_owner->p_input, &fmt, false, p_owner->p_sout );
434 msg_Err( p_dec, "could not create decoder" );
435 dialog_Fatal( p_dec, _("Streaming / Transcoding failed"), "%s",
436 _("VLC could not open the decoder module.") );
439 else if( !p_cc->p_module )
441 DecoderUnsupportedCodec( p_dec, fcc[i_channel] );
442 DeleteDecoder( p_cc );
443 vlc_object_release( p_cc );
446 p_cc->p_owner->p_clock = p_owner->p_clock;
448 vlc_mutex_lock( &p_owner->lock );
449 p_owner->cc.pp_decoder[i_channel] = p_cc;
450 vlc_mutex_unlock( &p_owner->lock );
456 vlc_mutex_lock( &p_owner->lock );
457 p_cc = p_owner->cc.pp_decoder[i_channel];
458 p_owner->cc.pp_decoder[i_channel] = NULL;
459 vlc_mutex_unlock( &p_owner->lock );
463 vlc_object_kill( p_cc );
464 module_unneed( p_cc, p_cc->p_module );
465 DeleteDecoder( p_cc );
466 vlc_object_release( p_cc );
471 int input_DecoderGetCcState( decoder_t *p_dec, bool *pb_decode, int i_channel )
473 decoder_owner_sys_t *p_owner = p_dec->p_owner;
476 if( i_channel < 0 || i_channel >= 4 || !p_owner->cc.pb_present[i_channel] )
479 vlc_mutex_lock( &p_owner->lock );
480 *pb_decode = p_owner->cc.pp_decoder[i_channel] != NULL;
481 vlc_mutex_unlock( &p_owner->lock );
485 void input_DecoderChangePause( decoder_t *p_dec, bool b_paused, mtime_t i_date )
487 decoder_owner_sys_t *p_owner = p_dec->p_owner;
489 vlc_mutex_lock( &p_owner->lock );
491 assert( !p_owner->b_paused || !b_paused );
493 p_owner->b_paused = b_paused;
494 p_owner->pause.i_date = i_date;
495 p_owner->pause.i_ignore = 0;
496 vlc_cond_signal( &p_owner->wait_request );
498 DecoderOutputChangePause( p_dec, b_paused, i_date );
500 vlc_mutex_unlock( &p_owner->lock );
503 void input_DecoderChangeDelay( decoder_t *p_dec, mtime_t i_delay )
505 decoder_owner_sys_t *p_owner = p_dec->p_owner;
507 vlc_mutex_lock( &p_owner->lock );
508 p_owner->i_ts_delay = i_delay;
509 vlc_mutex_unlock( &p_owner->lock );
512 void input_DecoderStartBuffering( decoder_t *p_dec )
514 decoder_owner_sys_t *p_owner = p_dec->p_owner;
516 vlc_mutex_lock( &p_owner->lock );
518 DecoderFlush( p_dec );
520 p_owner->buffer.b_first = true;
521 p_owner->buffer.b_full = false;
522 p_owner->buffer.i_count = 0;
524 assert( !p_owner->buffer.p_picture && !p_owner->buffer.p_subpic &&
525 !p_owner->buffer.p_audio && !p_owner->buffer.p_block );
527 p_owner->buffer.p_picture = NULL;
528 p_owner->buffer.pp_picture_next = &p_owner->buffer.p_picture;
530 p_owner->buffer.p_subpic = NULL;
531 p_owner->buffer.pp_subpic_next = &p_owner->buffer.p_subpic;
533 p_owner->buffer.p_audio = NULL;
534 p_owner->buffer.pp_audio_next = &p_owner->buffer.p_audio;
536 p_owner->buffer.p_block = NULL;
537 p_owner->buffer.pp_block_next = &p_owner->buffer.p_block;
540 p_owner->b_buffering = true;
542 vlc_cond_signal( &p_owner->wait_request );
544 vlc_mutex_unlock( &p_owner->lock );
547 void input_DecoderStopBuffering( decoder_t *p_dec )
549 decoder_owner_sys_t *p_owner = p_dec->p_owner;
551 vlc_mutex_lock( &p_owner->lock );
553 p_owner->b_buffering = false;
555 vlc_cond_signal( &p_owner->wait_request );
557 vlc_mutex_unlock( &p_owner->lock );
560 void input_DecoderWaitBuffering( decoder_t *p_dec )
562 decoder_owner_sys_t *p_owner = p_dec->p_owner;
564 vlc_mutex_lock( &p_owner->lock );
566 while( vlc_object_alive( p_dec ) && p_owner->b_buffering && !p_owner->buffer.b_full )
568 block_FifoWake( p_owner->p_fifo );
569 vlc_cond_wait( &p_owner->wait_acknowledge, &p_owner->lock );
572 vlc_mutex_unlock( &p_owner->lock );
575 void input_DecoderFrameNext( decoder_t *p_dec, mtime_t *pi_duration )
577 decoder_owner_sys_t *p_owner = p_dec->p_owner;
581 vlc_mutex_lock( &p_owner->lock );
582 if( p_dec->fmt_out.i_cat == VIDEO_ES )
584 if( p_owner->b_paused && p_owner->p_vout )
586 vout_NextPicture( p_owner->p_vout, pi_duration );
587 p_owner->pause.i_ignore++;
588 vlc_cond_signal( &p_owner->wait_request );
593 /* TODO subtitle should not be flushed */
594 DecoderFlush( p_dec );
596 vlc_mutex_unlock( &p_owner->lock );
599 bool input_DecoderHasFormatChanged( decoder_t *p_dec, es_format_t *p_fmt, vlc_meta_t **pp_meta )
601 decoder_owner_sys_t *p_owner = p_dec->p_owner;
604 vlc_mutex_lock( &p_owner->lock );
605 b_changed = p_owner->b_fmt_description;
609 es_format_Copy( p_fmt, &p_owner->fmt_description );
614 if( p_owner->p_description )
616 *pp_meta = vlc_meta_New();
618 vlc_meta_Merge( *pp_meta, p_owner->p_description );
621 p_owner->b_fmt_description = false;
623 vlc_mutex_unlock( &p_owner->lock );
627 size_t input_DecoderGetFifoSize( decoder_t *p_dec )
629 decoder_owner_sys_t *p_owner = p_dec->p_owner;
631 return block_FifoSize( p_owner->p_fifo );
634 /*****************************************************************************
636 *****************************************************************************/
637 static int DecoderGetInputAttachments( decoder_t *p_dec,
638 input_attachment_t ***ppp_attachment,
641 return input_Control( p_dec->p_owner->p_input, INPUT_GET_ATTACHMENTS,
642 ppp_attachment, pi_attachment );
644 static mtime_t DecoderGetDisplayDate( decoder_t *p_dec, mtime_t i_ts )
646 decoder_owner_sys_t *p_owner = p_dec->p_owner;
648 vlc_mutex_lock( &p_owner->lock );
649 if( p_owner->b_buffering || p_owner->b_paused )
650 i_ts = VLC_TS_INVALID;
651 vlc_mutex_unlock( &p_owner->lock );
653 if( !p_owner->p_clock || i_ts <= VLC_TS_INVALID )
656 if( input_clock_ConvertTS( p_owner->p_clock, NULL, &i_ts, NULL, INT64_MAX ) )
657 return VLC_TS_INVALID;
661 static int DecoderGetDisplayRate( decoder_t *p_dec )
663 decoder_owner_sys_t *p_owner = p_dec->p_owner;
665 if( !p_owner->p_clock )
666 return INPUT_RATE_DEFAULT;
667 return input_clock_GetRate( p_owner->p_clock );
671 static void DecoderUnsupportedCodec( decoder_t *p_dec, vlc_fourcc_t codec )
673 msg_Err( p_dec, "no suitable decoder module for fourcc `%4.4s'. "
674 "VLC probably does not support this sound or video format.",
676 dialog_Fatal( p_dec, _("No suitable decoder module"),
677 _("VLC does not support the audio or video format \"%4.4s\". "
678 "Unfortunately there is no way for you to fix this."),
684 * Create a decoder object
686 * \param p_input the input thread
687 * \param p_es the es descriptor
688 * \param b_packetizer instead of a decoder
689 * \return the decoder object
691 static decoder_t * CreateDecoder( input_thread_t *p_input,
692 es_format_t *fmt, bool b_packetizer,
693 sout_instance_t *p_sout )
696 decoder_owner_sys_t *p_owner;
697 es_format_t null_es_format;
699 p_dec = vlc_object_create( p_input, VLC_OBJECT_DECODER );
703 p_dec->pf_decode_audio = NULL;
704 p_dec->pf_decode_video = NULL;
705 p_dec->pf_decode_sub = NULL;
706 p_dec->pf_get_cc = NULL;
707 p_dec->pf_packetize = NULL;
709 /* Initialize the decoder */
710 p_dec->p_module = NULL;
712 memset( &null_es_format, 0, sizeof(es_format_t) );
713 es_format_Copy( &p_dec->fmt_in, fmt );
714 es_format_Copy( &p_dec->fmt_out, &null_es_format );
716 p_dec->p_description = NULL;
718 /* Allocate our private structure for the decoder */
719 p_dec->p_owner = p_owner = malloc( sizeof( decoder_owner_sys_t ) );
720 if( p_dec->p_owner == NULL )
722 vlc_object_release( p_dec );
725 p_dec->p_owner->i_preroll_end = VLC_TS_INVALID;
726 p_dec->p_owner->i_last_rate = INPUT_RATE_DEFAULT;
727 p_dec->p_owner->p_input = p_input;
728 p_dec->p_owner->p_aout = NULL;
729 p_dec->p_owner->p_aout_input = NULL;
730 p_dec->p_owner->p_vout = NULL;
731 p_dec->p_owner->p_spu_vout = NULL;
732 p_dec->p_owner->i_spu_channel = 0;
733 p_dec->p_owner->i_spu_order = 0;
734 p_dec->p_owner->p_sout = p_sout;
735 p_dec->p_owner->p_sout_input = NULL;
736 p_dec->p_owner->p_packetizer = NULL;
737 p_dec->p_owner->b_packetizer = b_packetizer;
740 if( ( p_dec->p_owner->p_fifo = block_FifoNew() ) == NULL )
742 free( p_dec->p_owner );
743 vlc_object_release( p_dec );
747 /* Set buffers allocation callbacks for the decoders */
748 p_dec->pf_aout_buffer_new = aout_new_buffer;
749 p_dec->pf_aout_buffer_del = aout_del_buffer;
750 p_dec->pf_vout_buffer_new = vout_new_buffer;
751 p_dec->pf_vout_buffer_del = vout_del_buffer;
752 p_dec->pf_picture_link = vout_link_picture;
753 p_dec->pf_picture_unlink = vout_unlink_picture;
754 p_dec->pf_spu_buffer_new = spu_new_buffer;
755 p_dec->pf_spu_buffer_del = spu_del_buffer;
757 p_dec->pf_get_attachments = DecoderGetInputAttachments;
758 p_dec->pf_get_display_date = DecoderGetDisplayDate;
759 p_dec->pf_get_display_rate = DecoderGetDisplayRate;
761 vlc_object_attach( p_dec, p_input );
763 /* Find a suitable decoder/packetizer module */
765 p_dec->p_module = module_need( p_dec, "decoder", "$codec", false );
767 p_dec->p_module = module_need( p_dec, "packetizer", "$packetizer", false );
769 /* Check if decoder requires already packetized data */
771 p_dec->b_need_packetized && !p_dec->fmt_in.b_packetized )
773 p_dec->p_owner->p_packetizer =
774 vlc_object_create( p_input, VLC_OBJECT_DECODER );
775 if( p_dec->p_owner->p_packetizer )
777 es_format_Copy( &p_dec->p_owner->p_packetizer->fmt_in,
780 es_format_Copy( &p_dec->p_owner->p_packetizer->fmt_out,
783 vlc_object_attach( p_dec->p_owner->p_packetizer, p_input );
785 p_dec->p_owner->p_packetizer->p_module =
786 module_need( p_dec->p_owner->p_packetizer,
787 "packetizer", "$packetizer", false );
789 if( !p_dec->p_owner->p_packetizer->p_module )
791 es_format_Clean( &p_dec->p_owner->p_packetizer->fmt_in );
792 vlc_object_detach( p_dec->p_owner->p_packetizer );
793 vlc_object_release( p_dec->p_owner->p_packetizer );
798 /* Copy ourself the input replay gain */
799 if( fmt->i_cat == AUDIO_ES )
801 for( unsigned i = 0; i < AUDIO_REPLAY_GAIN_MAX; i++ )
803 if( !p_dec->fmt_out.audio_replay_gain.pb_peak[i] )
805 p_dec->fmt_out.audio_replay_gain.pb_peak[i] = fmt->audio_replay_gain.pb_peak[i];
806 p_dec->fmt_out.audio_replay_gain.pf_peak[i] = fmt->audio_replay_gain.pf_peak[i];
808 if( !p_dec->fmt_out.audio_replay_gain.pb_gain[i] )
810 p_dec->fmt_out.audio_replay_gain.pb_gain[i] = fmt->audio_replay_gain.pb_gain[i];
811 p_dec->fmt_out.audio_replay_gain.pf_gain[i] = fmt->audio_replay_gain.pf_gain[i];
817 vlc_mutex_init( &p_owner->lock );
818 vlc_cond_init( &p_owner->wait_request );
819 vlc_cond_init( &p_owner->wait_acknowledge );
821 p_owner->b_fmt_description = false;
822 es_format_Init( &p_owner->fmt_description, UNKNOWN_ES, 0 );
823 p_owner->p_description = NULL;
825 p_owner->b_paused = false;
826 p_owner->pause.i_date = VLC_TS_INVALID;
827 p_owner->pause.i_ignore = 0;
829 p_owner->b_buffering = false;
830 p_owner->buffer.b_first = true;
831 p_owner->buffer.b_full = false;
832 p_owner->buffer.i_count = 0;
833 p_owner->buffer.p_picture = NULL;
834 p_owner->buffer.p_subpic = NULL;
835 p_owner->buffer.p_audio = NULL;
836 p_owner->buffer.p_block = NULL;
838 p_owner->b_flushing = false;
841 p_owner->cc.b_supported = false;
844 if( p_owner->p_packetizer && p_owner->p_packetizer->pf_get_cc )
845 p_owner->cc.b_supported = true;
846 if( p_dec->pf_get_cc )
847 p_owner->cc.b_supported = true;
850 for( unsigned i = 0; i < 4; i++ )
852 p_owner->cc.pb_present[i] = false;
853 p_owner->cc.pp_decoder[i] = NULL;
855 p_owner->i_ts_delay = 0;
860 * The decoding main loop
862 * \param p_dec the decoder
864 static void *DecoderThread( vlc_object_t *p_this )
866 decoder_t *p_dec = (decoder_t *)p_this;
867 decoder_owner_sys_t *p_owner = p_dec->p_owner;
869 /* The decoder's main loop */
872 block_t *p_block = block_FifoGet( p_owner->p_fifo );
874 /* Make sure there is no cancellation point other than this one^^.
875 * If you need one, be sure to push cleanup of p_block. */
876 DecoderSignalBuffering( p_dec, p_block == NULL );
880 int canc = vlc_savecancel();
883 DecoderError( p_dec, p_block );
885 DecoderProcess( p_dec, p_block );
887 vlc_restorecancel( canc );
893 static block_t *DecoderBlockFlushNew()
895 block_t *p_null = block_Alloc( 128 );
899 p_null->i_flags |= BLOCK_FLAG_DISCONTINUITY |
900 BLOCK_FLAG_CORRUPTED |
901 BLOCK_FLAG_CORE_FLUSH;
902 memset( p_null->p_buffer, 0, p_null->i_buffer );
907 static void DecoderFlush( decoder_t *p_dec )
909 decoder_owner_sys_t *p_owner = p_dec->p_owner;
911 vlc_assert_locked( &p_owner->lock );
914 block_FifoEmpty( p_owner->p_fifo );
916 /* Monitor for flush end */
917 p_owner->b_flushing = true;
918 vlc_cond_signal( &p_owner->wait_request );
920 /* Send a special block */
921 block_t *p_null = DecoderBlockFlushNew();
924 input_DecoderDecode( p_dec, p_null, false );
927 while( vlc_object_alive( p_dec ) && p_owner->b_flushing )
928 vlc_cond_wait( &p_owner->wait_acknowledge, &p_owner->lock );
931 static void DecoderSignalBuffering( decoder_t *p_dec, bool b_full )
933 decoder_owner_sys_t *p_owner = p_dec->p_owner;
935 vlc_mutex_lock( &p_owner->lock );
937 if( p_owner->b_buffering )
940 p_owner->buffer.b_full = true;
941 vlc_cond_signal( &p_owner->wait_acknowledge );
944 vlc_mutex_unlock( &p_owner->lock );
947 static bool DecoderIsFlushing( decoder_t *p_dec )
949 decoder_owner_sys_t *p_owner = p_dec->p_owner;
952 vlc_mutex_lock( &p_owner->lock );
954 b_flushing = p_owner->b_flushing;
956 vlc_mutex_unlock( &p_owner->lock );
961 static void DecoderWaitUnblock( decoder_t *p_dec, bool *pb_reject )
963 decoder_owner_sys_t *p_owner = p_dec->p_owner;
965 vlc_assert_locked( &p_owner->lock );
967 while( !p_owner->b_flushing )
969 if( p_owner->b_paused )
971 if( p_owner->b_buffering && !p_owner->buffer.b_full )
973 if( p_owner->pause.i_ignore > 0 )
975 p_owner->pause.i_ignore--;
981 if( !p_owner->b_buffering || !p_owner->buffer.b_full )
984 vlc_cond_wait( &p_owner->wait_request, &p_owner->lock );
988 *pb_reject = p_owner->b_flushing;
991 static void DecoderOutputChangePause( decoder_t *p_dec, bool b_paused, mtime_t i_date )
993 decoder_owner_sys_t *p_owner = p_dec->p_owner;
995 vlc_assert_locked( &p_owner->lock );
997 /* XXX only audio and video output have to be paused.
998 * - for sout it is useless
999 * - for subs, it is done by the vout
1001 if( p_dec->fmt_out.i_cat == AUDIO_ES )
1003 if( p_owner->p_aout && p_owner->p_aout_input )
1004 aout_DecChangePause( p_owner->p_aout, p_owner->p_aout_input,
1007 else if( p_dec->fmt_out.i_cat == VIDEO_ES )
1009 if( p_owner->p_vout )
1010 vout_ChangePause( p_owner->p_vout, b_paused, i_date );
1013 static inline void DecoderUpdatePreroll( int64_t *pi_preroll, const block_t *p )
1015 if( p->i_flags & (BLOCK_FLAG_PREROLL|BLOCK_FLAG_DISCONTINUITY) )
1016 *pi_preroll = INT64_MAX;
1017 else if( p->i_dts > VLC_TS_INVALID )
1018 *pi_preroll = __MIN( *pi_preroll, p->i_dts );
1019 else if( p->i_pts > VLC_TS_INVALID )
1020 *pi_preroll = __MIN( *pi_preroll, p->i_pts );
1023 static mtime_t DecoderTeletextFixTs( mtime_t i_ts )
1025 mtime_t current_date = mdate();
1027 /* FIXME I don't really like that, es_out SHOULD do it using the video pts */
1028 if( i_ts <= VLC_TS_INVALID || i_ts > current_date + 10000000 || i_ts < current_date )
1030 /* ETSI EN 300 472 Annex A : do not take into account the PTS
1031 * for teletext streams. */
1032 return current_date + 400000;
1037 static void DecoderFixTs( decoder_t *p_dec, mtime_t *pi_ts0, mtime_t *pi_ts1,
1038 mtime_t *pi_duration, int *pi_rate, mtime_t i_ts_bound, bool b_telx )
1040 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1041 input_clock_t *p_clock = p_owner->p_clock;
1043 vlc_assert_locked( &p_owner->lock );
1045 const mtime_t i_es_delay = p_owner->i_ts_delay;
1049 const bool b_ephemere = pi_ts1 && *pi_ts0 == *pi_ts1;
1052 if( *pi_ts0 > VLC_TS_INVALID )
1054 *pi_ts0 += i_es_delay;
1055 if( pi_ts1 && *pi_ts1 > VLC_TS_INVALID )
1056 *pi_ts1 += i_es_delay;
1057 if( input_clock_ConvertTS( p_clock, &i_rate, pi_ts0, pi_ts1, i_ts_bound ) )
1058 *pi_ts0 = VLC_TS_INVALID;
1062 i_rate = input_clock_GetRate( p_clock );
1065 /* Do not create ephemere data because of rounding errors */
1066 if( !b_ephemere && pi_ts1 && *pi_ts0 == *pi_ts1 )
1070 *pi_duration = ( *pi_duration * i_rate +
1071 INPUT_RATE_DEFAULT-1 ) / INPUT_RATE_DEFAULT;
1078 *pi_ts0 = DecoderTeletextFixTs( *pi_ts0 );
1079 if( pi_ts1 && *pi_ts1 <= VLC_TS_INVALID )
1086 * If *pb_reject, it does nothing, otherwise it waits for the given
1087 * deadline or a flush request (in which case it set *pi_reject to true.
1089 static void DecoderWaitDate( decoder_t *p_dec,
1090 bool *pb_reject, mtime_t i_deadline )
1092 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1094 if( *pb_reject || i_deadline < 0 )
1099 vlc_mutex_lock( &p_owner->lock );
1100 if( p_owner->b_flushing || p_dec->b_die )
1103 vlc_mutex_unlock( &p_owner->lock );
1106 int i_ret = vlc_cond_timedwait( &p_owner->wait_request, &p_owner->lock,
1108 vlc_mutex_unlock( &p_owner->lock );
1114 static void DecoderPlayAudio( decoder_t *p_dec, aout_buffer_t *p_audio,
1115 int *pi_played_sum, int *pi_lost_sum )
1117 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1118 aout_instance_t *p_aout = p_owner->p_aout;
1119 aout_input_t *p_aout_input = p_owner->p_aout_input;
1122 if( p_audio->i_pts <= VLC_TS_INVALID ) // FIXME --VLC_TS_INVALID verify audio_output/*
1124 msg_Warn( p_dec, "non-dated audio buffer received" );
1126 aout_BufferFree( p_audio );
1131 vlc_mutex_lock( &p_owner->lock );
1133 if( p_owner->b_buffering || p_owner->buffer.p_audio )
1135 p_audio->p_next = NULL;
1137 *p_owner->buffer.pp_audio_next = p_audio;
1138 p_owner->buffer.pp_audio_next = &p_audio->p_next;
1140 p_owner->buffer.i_count++;
1141 if( p_owner->buffer.i_count > DECODER_MAX_BUFFERING_COUNT ||
1142 p_audio->i_pts - p_owner->buffer.p_audio->i_pts > DECODER_MAX_BUFFERING_AUDIO_DURATION )
1144 p_owner->buffer.b_full = true;
1145 vlc_cond_signal( &p_owner->wait_acknowledge );
1151 bool b_has_more = false;
1153 DecoderWaitUnblock( p_dec, &b_reject );
1155 if( p_owner->b_buffering )
1157 vlc_mutex_unlock( &p_owner->lock );
1162 if( p_owner->buffer.p_audio )
1164 p_audio = p_owner->buffer.p_audio;
1166 p_owner->buffer.p_audio = p_audio->p_next;
1167 p_owner->buffer.i_count--;
1169 b_has_more = p_owner->buffer.p_audio != NULL;
1171 p_owner->buffer.pp_audio_next = &p_owner->buffer.p_audio;
1175 const bool b_dated = p_audio->i_pts > VLC_TS_INVALID;
1176 int i_rate = INPUT_RATE_DEFAULT;
1178 DecoderFixTs( p_dec, &p_audio->i_pts, NULL, &p_audio->i_length,
1179 &i_rate, AOUT_MAX_ADVANCE_TIME, false );
1181 vlc_mutex_unlock( &p_owner->lock );
1183 if( !p_aout || !p_aout_input ||
1184 p_audio->i_pts <= VLC_TS_INVALID ||
1185 i_rate < INPUT_RATE_DEFAULT/AOUT_MAX_INPUT_RATE ||
1186 i_rate > INPUT_RATE_DEFAULT*AOUT_MAX_INPUT_RATE )
1189 DecoderWaitDate( p_dec, &b_reject,
1190 p_audio->i_pts - AOUT_MAX_PREPARE_TIME );
1194 if( !aout_DecPlay( p_aout, p_aout_input, p_audio, i_rate ) )
1195 *pi_played_sum += 1;
1196 *pi_lost_sum += aout_DecGetResetLost( p_aout, p_aout_input );
1201 msg_Warn( p_aout, "received buffer in the future" );
1203 msg_Warn( p_dec, "non-dated audio buffer received" );
1206 aout_BufferFree( p_audio );
1212 vlc_mutex_lock( &p_owner->lock );
1213 if( !p_owner->buffer.p_audio )
1215 vlc_mutex_unlock( &p_owner->lock );
1221 static void DecoderDecodeAudio( decoder_t *p_dec, block_t *p_block )
1223 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1224 input_thread_t *p_input = p_owner->p_input;
1225 aout_buffer_t *p_aout_buf;
1230 while( (p_aout_buf = p_dec->pf_decode_audio( p_dec, &p_block )) )
1232 aout_instance_t *p_aout = p_owner->p_aout;
1233 aout_input_t *p_aout_input = p_owner->p_aout_input;
1237 /* It prevent freezing VLC in case of broken decoder */
1238 aout_DecDeleteBuffer( p_aout, p_aout_input, p_aout_buf );
1240 block_Release( p_block );
1245 if( p_owner->i_preroll_end > VLC_TS_INVALID &&
1246 p_aout_buf->i_pts < p_owner->i_preroll_end )
1248 aout_DecDeleteBuffer( p_aout, p_aout_input, p_aout_buf );
1252 if( p_owner->i_preroll_end > VLC_TS_INVALID )
1254 msg_Dbg( p_dec, "End of audio preroll" );
1255 if( p_owner->p_aout && p_owner->p_aout_input )
1256 aout_DecFlush( p_owner->p_aout, p_owner->p_aout_input );
1258 p_owner->i_preroll_end = VLC_TS_INVALID;
1261 DecoderPlayAudio( p_dec, p_aout_buf, &i_played, &i_lost );
1264 /* Update ugly stat */
1265 if( i_decoded > 0 || i_lost > 0 || i_played > 0 )
1267 vlc_mutex_lock( &p_input->p->counters.counters_lock);
1269 stats_UpdateInteger( p_dec, p_input->p->counters.p_lost_abuffers,
1271 stats_UpdateInteger( p_dec, p_input->p->counters.p_played_abuffers,
1273 stats_UpdateInteger( p_dec, p_input->p->counters.p_decoded_audio,
1276 vlc_mutex_unlock( &p_input->p->counters.counters_lock);
1279 static void DecoderGetCc( decoder_t *p_dec, decoder_t *p_dec_cc )
1281 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1284 bool b_processed = false;
1288 assert( p_dec_cc->pf_get_cc != NULL );
1290 /* Do not try retreiving CC if not wanted (sout) or cannot be retreived */
1291 if( !p_owner->cc.b_supported )
1294 p_cc = p_dec_cc->pf_get_cc( p_dec_cc, pb_present );
1298 vlc_mutex_lock( &p_owner->lock );
1299 for( i = 0, i_cc_decoder = 0; i < 4; i++ )
1301 p_owner->cc.pb_present[i] |= pb_present[i];
1302 if( p_owner->cc.pp_decoder[i] )
1306 for( i = 0; i < 4; i++ )
1308 if( !p_owner->cc.pp_decoder[i] )
1311 if( i_cc_decoder > 1 )
1312 DecoderProcess( p_owner->cc.pp_decoder[i], block_Duplicate( p_cc ) );
1314 DecoderProcess( p_owner->cc.pp_decoder[i], p_cc );
1318 vlc_mutex_unlock( &p_owner->lock );
1321 block_Release( p_cc );
1324 static void DecoderPlayVideo( decoder_t *p_dec, picture_t *p_picture,
1325 int *pi_played_sum, int *pi_lost_sum )
1327 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1328 vout_thread_t *p_vout = p_owner->p_vout;
1329 bool b_first_buffered;
1331 if( p_picture->date <= VLC_TS_INVALID )
1333 msg_Warn( p_vout, "non-dated video buffer received" );
1335 vout_DropPicture( p_vout, p_picture );
1340 vlc_mutex_lock( &p_owner->lock );
1342 if( ( p_owner->b_buffering && !p_owner->buffer.b_first ) || p_owner->buffer.p_picture )
1344 p_picture->p_next = NULL;
1346 *p_owner->buffer.pp_picture_next = p_picture;
1347 p_owner->buffer.pp_picture_next = &p_picture->p_next;
1349 p_owner->buffer.i_count++;
1350 if( p_owner->buffer.i_count > DECODER_MAX_BUFFERING_COUNT ||
1351 p_picture->date - p_owner->buffer.p_picture->date > DECODER_MAX_BUFFERING_VIDEO_DURATION )
1353 p_owner->buffer.b_full = true;
1354 vlc_cond_signal( &p_owner->wait_acknowledge );
1357 b_first_buffered = p_owner->buffer.p_picture != NULL;
1359 for( ;; b_first_buffered = false )
1361 bool b_has_more = false;
1365 DecoderWaitUnblock( p_dec, &b_reject );
1367 if( p_owner->b_buffering && !p_owner->buffer.b_first )
1369 vlc_mutex_unlock( &p_owner->lock );
1372 bool b_buffering_first = p_owner->b_buffering;
1375 if( p_owner->buffer.p_picture )
1377 p_picture = p_owner->buffer.p_picture;
1379 p_owner->buffer.p_picture = p_picture->p_next;
1380 p_owner->buffer.i_count--;
1382 b_has_more = p_owner->buffer.p_picture != NULL;
1384 p_owner->buffer.pp_picture_next = &p_owner->buffer.p_picture;
1388 if( b_buffering_first )
1390 assert( p_owner->buffer.b_first );
1391 assert( !p_owner->buffer.i_count );
1392 msg_Dbg( p_dec, "Received first picture" );
1393 p_owner->buffer.b_first = false;
1394 p_picture->b_force = true;
1397 const bool b_dated = p_picture->date > VLC_TS_INVALID;
1398 int i_rate = INPUT_RATE_DEFAULT;
1399 DecoderFixTs( p_dec, &p_picture->date, NULL, NULL,
1400 &i_rate, DECODER_BOGUS_VIDEO_DELAY, false );
1402 vlc_mutex_unlock( &p_owner->lock );
1405 if( !p_picture->b_force && p_picture->date <= VLC_TS_INVALID ) // FIXME --VLC_TS_INVALID verify video_output/*
1410 if( i_rate != p_owner->i_last_rate || b_first_buffered )
1412 /* Be sure to not display old picture after our own */
1413 vout_Flush( p_vout, p_picture->date );
1414 p_owner->i_last_rate = i_rate;
1416 vout_DisplayPicture( p_vout, p_picture );
1421 msg_Warn( p_vout, "early picture skipped" );
1423 msg_Warn( p_vout, "non-dated video buffer received" );
1426 vout_DropPicture( p_vout, p_picture );
1430 vout_GetResetStatistic( p_vout, &i_tmp_display, &i_tmp_lost );
1432 *pi_played_sum += i_tmp_display;
1433 *pi_lost_sum += i_tmp_lost;
1435 if( !b_has_more || b_buffering_first )
1438 vlc_mutex_lock( &p_owner->lock );
1439 if( !p_owner->buffer.p_picture )
1441 vlc_mutex_unlock( &p_owner->lock );
1447 static void DecoderDecodeVideo( decoder_t *p_dec, block_t *p_block )
1449 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1450 input_thread_t *p_input = p_owner->p_input;
1454 int i_displayed = 0;
1456 while( (p_pic = p_dec->pf_decode_video( p_dec, &p_block )) )
1458 vout_thread_t *p_vout = p_owner->p_vout;
1461 /* It prevent freezing VLC in case of broken decoder */
1462 vout_DropPicture( p_vout, p_pic );
1464 block_Release( p_block );
1470 if( p_owner->i_preroll_end > VLC_TS_INVALID && p_pic->date < p_owner->i_preroll_end )
1472 vout_DropPicture( p_vout, p_pic );
1476 if( p_owner->i_preroll_end > VLC_TS_INVALID )
1478 msg_Dbg( p_dec, "End of video preroll" );
1480 vout_Flush( p_vout, VLC_TS_INVALID+1 );
1482 p_owner->i_preroll_end = VLC_TS_INVALID;
1485 if( p_dec->pf_get_cc &&
1486 ( !p_owner->p_packetizer || !p_owner->p_packetizer->pf_get_cc ) )
1487 DecoderGetCc( p_dec, p_dec );
1489 DecoderPlayVideo( p_dec, p_pic, &i_displayed, &i_lost );
1491 if( i_decoded > 0 || i_lost > 0 || i_displayed > 0 )
1493 vlc_mutex_lock( &p_input->p->counters.counters_lock );
1495 stats_UpdateInteger( p_dec, p_input->p->counters.p_decoded_video,
1497 stats_UpdateInteger( p_dec, p_input->p->counters.p_lost_pictures,
1500 stats_UpdateInteger( p_dec, p_input->p->counters.p_displayed_pictures,
1503 vlc_mutex_unlock( &p_input->p->counters.counters_lock );
1507 static void DecoderPlaySpu( decoder_t *p_dec, subpicture_t *p_subpic,
1510 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1511 vout_thread_t *p_vout = p_owner->p_spu_vout;
1514 if( p_subpic->i_start <= VLC_TS_INVALID )
1516 msg_Warn( p_dec, "non-dated spu buffer received" );
1517 subpicture_Delete( p_subpic );
1522 vlc_mutex_lock( &p_owner->lock );
1524 if( p_owner->b_buffering || p_owner->buffer.p_subpic )
1526 p_subpic->p_next = NULL;
1528 *p_owner->buffer.pp_subpic_next = p_subpic;
1529 p_owner->buffer.pp_subpic_next = &p_subpic->p_next;
1531 p_owner->buffer.i_count++;
1532 /* XXX it is important to be full after the first one */
1533 if( p_owner->buffer.i_count > 0 )
1535 p_owner->buffer.b_full = true;
1536 vlc_cond_signal( &p_owner->wait_acknowledge );
1542 bool b_has_more = false;
1544 DecoderWaitUnblock( p_dec, &b_reject );
1546 if( p_owner->b_buffering )
1548 vlc_mutex_unlock( &p_owner->lock );
1553 if( p_owner->buffer.p_subpic )
1555 p_subpic = p_owner->buffer.p_subpic;
1557 p_owner->buffer.p_subpic = p_subpic->p_next;
1558 p_owner->buffer.i_count--;
1560 b_has_more = p_owner->buffer.p_subpic != NULL;
1562 p_owner->buffer.pp_subpic_next = &p_owner->buffer.p_subpic;
1566 DecoderFixTs( p_dec, &p_subpic->i_start, &p_subpic->i_stop, NULL,
1567 NULL, INT64_MAX, b_telx );
1569 vlc_mutex_unlock( &p_owner->lock );
1571 if( p_subpic->i_start <= VLC_TS_INVALID )
1574 DecoderWaitDate( p_dec, &b_reject,
1575 p_subpic->i_start - SPU_MAX_PREPARE_TIME );
1578 spu_DisplaySubpicture( vout_GetSpu( p_vout ), p_subpic );
1580 subpicture_Delete( p_subpic );
1584 vlc_mutex_lock( &p_owner->lock );
1585 if( !p_owner->buffer.p_subpic )
1587 vlc_mutex_unlock( &p_owner->lock );
1593 static void DecoderPlaySout( decoder_t *p_dec, block_t *p_sout_block,
1596 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1598 assert( p_owner->p_clock );
1599 assert( !p_sout_block->p_next );
1601 vlc_mutex_lock( &p_owner->lock );
1603 if( p_owner->b_buffering || p_owner->buffer.p_block )
1605 block_ChainLastAppend( &p_owner->buffer.pp_block_next, p_sout_block );
1607 p_owner->buffer.i_count++;
1608 /* XXX it is important to be full after the first one */
1609 if( p_owner->buffer.i_count > 0 )
1611 p_owner->buffer.b_full = true;
1612 vlc_cond_signal( &p_owner->wait_acknowledge );
1618 bool b_has_more = false;
1620 DecoderWaitUnblock( p_dec, &b_reject );
1622 if( p_owner->b_buffering )
1624 vlc_mutex_unlock( &p_owner->lock );
1629 if( p_owner->buffer.p_block )
1631 p_sout_block = p_owner->buffer.p_block;
1633 p_owner->buffer.p_block = p_sout_block->p_next;
1634 p_owner->buffer.i_count--;
1636 b_has_more = p_owner->buffer.p_block != NULL;
1638 p_owner->buffer.pp_block_next = &p_owner->buffer.p_block;
1640 p_sout_block->p_next = NULL;
1642 DecoderFixTs( p_dec, &p_sout_block->i_dts, &p_sout_block->i_pts,
1643 &p_sout_block->i_length,
1644 &p_sout_block->i_rate, INT64_MAX, b_telx );
1646 vlc_mutex_unlock( &p_owner->lock );
1649 sout_InputSendBuffer( p_owner->p_sout_input, p_sout_block ); // FIXME --VLC_TS_INVALID inspect stream_output/*
1651 block_Release( p_sout_block );
1655 vlc_mutex_lock( &p_owner->lock );
1656 if( !p_owner->buffer.p_block )
1658 vlc_mutex_unlock( &p_owner->lock );
1665 static void DecoderFlushBuffering( decoder_t *p_dec )
1667 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1669 vlc_assert_locked( &p_owner->lock );
1671 while( p_owner->buffer.p_picture )
1673 picture_t *p_picture = p_owner->buffer.p_picture;
1675 p_owner->buffer.p_picture = p_picture->p_next;
1676 p_owner->buffer.i_count--;
1678 if( p_owner->p_vout )
1679 vout_DropPicture( p_owner->p_vout, p_picture );
1681 if( !p_owner->buffer.p_picture )
1682 p_owner->buffer.pp_picture_next = &p_owner->buffer.p_picture;
1684 while( p_owner->buffer.p_audio )
1686 aout_buffer_t *p_audio = p_owner->buffer.p_audio;
1688 p_owner->buffer.p_audio = p_audio->p_next;
1689 p_owner->buffer.i_count--;
1691 aout_BufferFree( p_audio );
1693 if( !p_owner->buffer.p_audio )
1694 p_owner->buffer.pp_audio_next = &p_owner->buffer.p_audio;
1696 while( p_owner->buffer.p_subpic )
1698 subpicture_t *p_subpic = p_owner->buffer.p_subpic;
1700 p_owner->buffer.p_subpic = p_subpic->p_next;
1701 p_owner->buffer.i_count--;
1703 subpicture_Delete( p_subpic );
1705 if( !p_owner->buffer.p_subpic )
1706 p_owner->buffer.pp_subpic_next = &p_owner->buffer.p_subpic;
1708 if( p_owner->buffer.p_block )
1710 block_ChainRelease( p_owner->buffer.p_block );
1712 p_owner->buffer.i_count = 0;
1713 p_owner->buffer.p_block = NULL;
1714 p_owner->buffer.pp_block_next = &p_owner->buffer.p_block;
1718 /* This function process a block for sout
1720 static void DecoderProcessSout( decoder_t *p_dec, block_t *p_block )
1722 decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
1723 const bool b_telx = p_dec->fmt_in.i_codec == VLC_CODEC_TELETEXT;
1724 block_t *p_sout_block;
1726 while( ( p_sout_block =
1727 p_dec->pf_packetize( p_dec, p_block ? &p_block : NULL ) ) )
1729 if( !p_owner->p_sout_input )
1731 es_format_Copy( &p_owner->sout, &p_dec->fmt_out );
1733 p_owner->sout.i_group = p_dec->fmt_in.i_group;
1734 p_owner->sout.i_id = p_dec->fmt_in.i_id;
1735 if( p_dec->fmt_in.psz_language )
1737 free( p_owner->sout.psz_language );
1738 p_owner->sout.psz_language =
1739 strdup( p_dec->fmt_in.psz_language );
1742 p_owner->p_sout_input =
1743 sout_InputNew( p_owner->p_sout,
1746 if( p_owner->p_sout_input == NULL )
1748 msg_Err( p_dec, "cannot create packetizer output (%4.4s)",
1749 (char *)&p_owner->sout.i_codec );
1750 p_dec->b_error = true;
1752 while( p_sout_block )
1754 block_t *p_next = p_sout_block->p_next;
1755 block_Release( p_sout_block );
1756 p_sout_block = p_next;
1762 while( p_sout_block )
1764 block_t *p_next = p_sout_block->p_next;
1766 p_sout_block->p_next = NULL;
1768 DecoderPlaySout( p_dec, p_sout_block, b_telx );
1770 p_sout_block = p_next;
1775 /* This function process a video block
1777 static void DecoderProcessVideo( decoder_t *p_dec, block_t *p_block, bool b_flush )
1779 decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
1781 if( p_owner->p_packetizer )
1783 block_t *p_packetized_block;
1784 decoder_t *p_packetizer = p_owner->p_packetizer;
1786 while( (p_packetized_block =
1787 p_packetizer->pf_packetize( p_packetizer, p_block ? &p_block : NULL )) )
1789 if( p_packetizer->fmt_out.i_extra && !p_dec->fmt_in.i_extra )
1791 es_format_Clean( &p_dec->fmt_in );
1792 es_format_Copy( &p_dec->fmt_in, &p_packetizer->fmt_out );
1794 if( p_packetizer->pf_get_cc )
1795 DecoderGetCc( p_dec, p_packetizer );
1797 while( p_packetized_block )
1799 block_t *p_next = p_packetized_block->p_next;
1800 p_packetized_block->p_next = NULL;
1802 DecoderDecodeVideo( p_dec, p_packetized_block );
1804 p_packetized_block = p_next;
1807 /* The packetizer does not output a block that tell the decoder to flush
1811 block_t *p_null = DecoderBlockFlushNew();
1813 DecoderDecodeVideo( p_dec, p_null );
1818 DecoderDecodeVideo( p_dec, p_block );
1821 if( b_flush && p_owner->p_vout )
1822 vout_Flush( p_owner->p_vout, VLC_TS_INVALID+1 );
1825 /* This function process a audio block
1827 static void DecoderProcessAudio( decoder_t *p_dec, block_t *p_block, bool b_flush )
1829 decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
1831 if( p_owner->p_packetizer )
1833 block_t *p_packetized_block;
1834 decoder_t *p_packetizer = p_owner->p_packetizer;
1836 while( (p_packetized_block =
1837 p_packetizer->pf_packetize( p_packetizer, p_block ? &p_block : NULL )) )
1839 if( p_packetizer->fmt_out.i_extra && !p_dec->fmt_in.i_extra )
1841 es_format_Clean( &p_dec->fmt_in );
1842 es_format_Copy( &p_dec->fmt_in, &p_packetizer->fmt_out );
1845 while( p_packetized_block )
1847 block_t *p_next = p_packetized_block->p_next;
1848 p_packetized_block->p_next = NULL;
1850 DecoderDecodeAudio( p_dec, p_packetized_block );
1852 p_packetized_block = p_next;
1855 /* The packetizer does not output a block that tell the decoder to flush
1859 block_t *p_null = DecoderBlockFlushNew();
1861 DecoderDecodeAudio( p_dec, p_null );
1866 DecoderDecodeAudio( p_dec, p_block );
1869 if( b_flush && p_owner->p_aout && p_owner->p_aout_input )
1870 aout_DecFlush( p_owner->p_aout, p_owner->p_aout_input );
1873 /* This function process a subtitle block
1875 static void DecoderProcessSpu( decoder_t *p_dec, block_t *p_block, bool b_flush )
1877 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1878 const bool b_telx = p_dec->fmt_in.i_codec == VLC_CODEC_TELETEXT;
1880 input_thread_t *p_input = p_owner->p_input;
1881 vout_thread_t *p_vout;
1882 subpicture_t *p_spu;
1884 while( (p_spu = p_dec->pf_decode_sub( p_dec, p_block ? &p_block : NULL ) ) )
1886 vlc_mutex_lock( &p_input->p->counters.counters_lock );
1887 stats_UpdateInteger( p_dec, p_input->p->counters.p_decoded_sub, 1, NULL );
1888 vlc_mutex_unlock( &p_input->p->counters.counters_lock );
1890 p_vout = input_resource_HoldVout( p_input->p->p_resource );
1891 if( p_vout && p_owner->p_spu_vout == p_vout )
1893 /* Preroll does not work very well with subtitle */
1894 if( p_spu->i_start > VLC_TS_INVALID &&
1895 p_spu->i_start < p_owner->i_preroll_end &&
1896 ( p_spu->i_stop <= VLC_TS_INVALID || p_spu->i_stop < p_owner->i_preroll_end ) )
1898 subpicture_Delete( p_spu );
1902 DecoderPlaySpu( p_dec, p_spu, b_telx );
1907 subpicture_Delete( p_spu );
1910 vlc_object_release( p_vout );
1913 if( b_flush && p_owner->p_spu_vout )
1915 p_vout = input_resource_HoldVout( p_input->p->p_resource );
1917 if( p_vout && p_owner->p_spu_vout == p_vout )
1918 spu_Control( vout_GetSpu( p_vout ), SPU_CHANNEL_CLEAR,
1919 p_owner->i_spu_channel );
1922 vlc_object_release( p_vout );
1927 static void DecoderProcessOnFlush( decoder_t *p_dec )
1929 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1931 vlc_mutex_lock( &p_owner->lock );
1932 DecoderFlushBuffering( p_dec );
1934 if( p_owner->b_flushing )
1936 p_owner->b_flushing = false;
1937 vlc_cond_signal( &p_owner->wait_acknowledge );
1939 vlc_mutex_unlock( &p_owner->lock );
1945 * \param p_dec the decoder object
1946 * \param p_block the block to decode
1947 * \return VLC_SUCCESS or an error code
1949 static void DecoderProcess( decoder_t *p_dec, block_t *p_block )
1951 decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
1952 const bool b_flush_request = p_block && (p_block->i_flags & BLOCK_FLAG_CORE_FLUSH);
1954 if( p_block && p_block->i_buffer <= 0 )
1956 assert( !b_flush_request );
1957 block_Release( p_block );
1962 if( p_owner->b_packetizer )
1965 p_block->i_flags &= ~BLOCK_FLAG_CORE_PRIVATE_MASK;
1967 DecoderProcessSout( p_dec, p_block );
1972 bool b_flush = false;
1976 const bool b_flushing = p_owner->i_preroll_end == INT64_MAX;
1977 DecoderUpdatePreroll( &p_owner->i_preroll_end, p_block );
1979 b_flush = !b_flushing && b_flush_request;
1981 p_block->i_flags &= ~BLOCK_FLAG_CORE_PRIVATE_MASK;
1984 if( p_dec->fmt_out.i_cat == AUDIO_ES )
1986 DecoderProcessAudio( p_dec, p_block, b_flush );
1988 else if( p_dec->fmt_out.i_cat == VIDEO_ES )
1990 DecoderProcessVideo( p_dec, p_block, b_flush );
1992 else if( p_dec->fmt_out.i_cat == SPU_ES )
1994 DecoderProcessSpu( p_dec, p_block, b_flush );
1998 msg_Err( p_dec, "unknown ES format" );
1999 p_dec->b_error = true;
2004 if( b_flush_request )
2005 DecoderProcessOnFlush( p_dec );
2008 static void DecoderError( decoder_t *p_dec, block_t *p_block )
2010 const bool b_flush_request = p_block && (p_block->i_flags & BLOCK_FLAG_CORE_FLUSH);
2014 block_Release( p_block );
2016 if( b_flush_request )
2017 DecoderProcessOnFlush( p_dec );
2022 * Destroys a decoder object
2024 * \param p_dec the decoder object
2027 static void DeleteDecoder( decoder_t * p_dec )
2029 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2031 msg_Dbg( p_dec, "killing decoder fourcc `%4.4s', %u PES in FIFO",
2032 (char*)&p_dec->fmt_in.i_codec,
2033 (unsigned)block_FifoCount( p_owner->p_fifo ) );
2035 /* Free all packets still in the decoder fifo. */
2036 block_FifoEmpty( p_owner->p_fifo );
2037 block_FifoRelease( p_owner->p_fifo );
2040 vlc_mutex_lock( &p_owner->lock );
2041 DecoderFlushBuffering( p_dec );
2042 vlc_mutex_unlock( &p_owner->lock );
2045 if( p_owner->p_aout_input )
2046 aout_DecDelete( p_owner->p_aout, p_owner->p_aout_input );
2047 if( p_owner->p_aout )
2049 input_resource_RequestAout( p_owner->p_input->p->p_resource,
2051 input_SendEventAout( p_owner->p_input );
2052 p_owner->p_aout = NULL;
2054 if( p_owner->p_vout )
2056 /* Hack to make sure all the the pictures are freed by the decoder
2057 * and that the vout is not paused anymore */
2058 vout_FixLeaks( p_owner->p_vout, true );
2059 if( p_owner->b_paused )
2060 vout_ChangePause( p_owner->p_vout, false, mdate() );
2063 input_resource_RequestVout( p_owner->p_input->p->p_resource, p_owner->p_vout, NULL, true );
2064 input_SendEventVout( p_owner->p_input );
2068 if( p_owner->p_sout_input )
2070 sout_InputDelete( p_owner->p_sout_input );
2071 es_format_Clean( &p_owner->sout );
2075 if( p_dec->fmt_out.i_cat == SPU_ES )
2077 vout_thread_t *p_vout;
2079 p_vout = input_resource_HoldVout( p_owner->p_input->p->p_resource );
2082 if( p_owner->p_spu_vout == p_vout )
2083 spu_Control( vout_GetSpu( p_vout ), SPU_CHANNEL_CLEAR, p_owner->i_spu_channel );
2084 vlc_object_release( p_vout );
2088 es_format_Clean( &p_dec->fmt_in );
2089 es_format_Clean( &p_dec->fmt_out );
2090 if( p_dec->p_description )
2091 vlc_meta_Delete( p_dec->p_description );
2092 es_format_Clean( &p_owner->fmt_description );
2093 if( p_owner->p_description )
2094 vlc_meta_Delete( p_owner->p_description );
2096 if( p_owner->p_packetizer )
2098 module_unneed( p_owner->p_packetizer,
2099 p_owner->p_packetizer->p_module );
2100 es_format_Clean( &p_owner->p_packetizer->fmt_in );
2101 es_format_Clean( &p_owner->p_packetizer->fmt_out );
2102 if( p_owner->p_packetizer->p_description )
2103 vlc_meta_Delete( p_owner->p_packetizer->p_description );
2104 vlc_object_detach( p_owner->p_packetizer );
2105 vlc_object_release( p_owner->p_packetizer );
2108 vlc_cond_destroy( &p_owner->wait_acknowledge );
2109 vlc_cond_destroy( &p_owner->wait_request );
2110 vlc_mutex_destroy( &p_owner->lock );
2112 vlc_object_detach( p_dec );
2117 /*****************************************************************************
2118 * Buffers allocation callbacks for the decoders
2119 *****************************************************************************/
2120 static void DecoderUpdateFormatLocked( decoder_t *p_dec )
2122 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2124 vlc_assert_locked( &p_owner->lock );
2126 p_owner->b_fmt_description = true;
2128 /* Copy es_format */
2129 es_format_Clean( &p_owner->fmt_description );
2130 es_format_Copy( &p_owner->fmt_description, &p_dec->fmt_out );
2132 /* Move p_description */
2133 if( p_owner->p_description && p_dec->p_description )
2134 vlc_meta_Delete( p_owner->p_description );
2135 p_owner->p_description = p_dec->p_description;
2136 p_dec->p_description = NULL;
2138 static vout_thread_t *aout_request_vout( void *p_private,
2139 vout_thread_t *p_vout, video_format_t *p_fmt, bool b_recyle )
2141 decoder_t *p_dec = p_private;
2142 input_thread_t *p_input = p_dec->p_owner->p_input;
2144 p_vout = input_resource_RequestVout( p_input->p->p_resource, p_vout, p_fmt, b_recyle );
2145 input_SendEventVout( p_input );
2150 static aout_buffer_t *aout_new_buffer( decoder_t *p_dec, int i_samples )
2152 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2153 aout_buffer_t *p_buffer;
2155 if( p_owner->p_aout_input != NULL &&
2156 ( p_dec->fmt_out.audio.i_rate != p_owner->audio.i_rate ||
2157 p_dec->fmt_out.audio.i_original_channels !=
2158 p_owner->audio.i_original_channels ||
2159 p_dec->fmt_out.audio.i_bytes_per_frame !=
2160 p_owner->audio.i_bytes_per_frame ) )
2162 aout_input_t *p_aout_input = p_owner->p_aout_input;
2164 /* Parameters changed, restart the aout */
2165 vlc_mutex_lock( &p_owner->lock );
2167 DecoderFlushBuffering( p_dec );
2169 p_owner->p_aout_input = NULL;
2170 aout_DecDelete( p_owner->p_aout, p_aout_input );
2172 vlc_mutex_unlock( &p_owner->lock );
2175 if( p_owner->p_aout_input == NULL )
2177 const int i_force_dolby = config_GetInt( p_dec, "force-dolby-surround" );
2178 audio_sample_format_t format;
2179 aout_input_t *p_aout_input;
2180 aout_instance_t *p_aout;
2181 aout_request_vout_t request_vout;
2183 p_dec->fmt_out.audio.i_format = p_dec->fmt_out.i_codec;
2184 p_owner->audio = p_dec->fmt_out.audio;
2186 memcpy( &format, &p_owner->audio, sizeof( audio_sample_format_t ) );
2187 if( i_force_dolby &&
2188 (format.i_original_channels&AOUT_CHAN_PHYSMASK) ==
2189 (AOUT_CHAN_LEFT|AOUT_CHAN_RIGHT) )
2191 if( i_force_dolby == 1 )
2193 format.i_original_channels = format.i_original_channels |
2194 AOUT_CHAN_DOLBYSTEREO;
2196 else /* i_force_dolby == 2 */
2198 format.i_original_channels = format.i_original_channels &
2199 ~AOUT_CHAN_DOLBYSTEREO;
2203 request_vout.pf_request_vout = aout_request_vout;
2204 request_vout.p_private = p_dec;
2206 p_aout = p_owner->p_aout;
2208 p_aout = input_resource_RequestAout( p_owner->p_input->p->p_resource, NULL );
2209 p_aout_input = aout_DecNew( p_dec, &p_aout,
2210 &format, &p_dec->fmt_out.audio_replay_gain, &request_vout );
2212 vlc_mutex_lock( &p_owner->lock );
2214 p_owner->p_aout = p_aout;
2215 p_owner->p_aout_input = p_aout_input;
2216 DecoderUpdateFormatLocked( p_dec );
2218 vlc_mutex_unlock( &p_owner->lock );
2220 input_SendEventAout( p_owner->p_input );
2222 if( p_owner->p_aout_input == NULL )
2224 msg_Err( p_dec, "failed to create audio output" );
2225 p_dec->b_error = true;
2228 p_dec->fmt_out.audio.i_bytes_per_frame =
2229 p_owner->audio.i_bytes_per_frame;
2232 p_buffer = aout_DecNewBuffer( p_owner->p_aout_input, i_samples );
2237 static void aout_del_buffer( decoder_t *p_dec, aout_buffer_t *p_buffer )
2239 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2241 aout_DecDeleteBuffer( p_owner->p_aout,
2242 p_owner->p_aout_input, p_buffer );
2246 int vout_CountPictureAvailable( vout_thread_t *p_vout );
2248 static picture_t *vout_new_buffer( decoder_t *p_dec )
2250 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2252 if( p_owner->p_vout == NULL ||
2253 p_dec->fmt_out.video.i_width != p_owner->video.i_width ||
2254 p_dec->fmt_out.video.i_height != p_owner->video.i_height ||
2255 p_dec->fmt_out.video.i_chroma != p_owner->video.i_chroma ||
2256 (int64_t)p_dec->fmt_out.video.i_sar_num * p_owner->video.i_sar_den !=
2257 (int64_t)p_dec->fmt_out.video.i_sar_den * p_owner->video.i_sar_num )
2259 vout_thread_t *p_vout;
2261 if( !p_dec->fmt_out.video.i_width ||
2262 !p_dec->fmt_out.video.i_height )
2264 /* Can't create a new vout without display size */
2268 if( !p_dec->fmt_out.video.i_visible_width ||
2269 !p_dec->fmt_out.video.i_visible_height )
2271 if( p_dec->fmt_in.video.i_visible_width &&
2272 p_dec->fmt_in.video.i_visible_height )
2274 p_dec->fmt_out.video.i_visible_width =
2275 p_dec->fmt_in.video.i_visible_width;
2276 p_dec->fmt_out.video.i_visible_height =
2277 p_dec->fmt_in.video.i_visible_height;
2281 p_dec->fmt_out.video.i_visible_width =
2282 p_dec->fmt_out.video.i_width;
2283 p_dec->fmt_out.video.i_visible_height =
2284 p_dec->fmt_out.video.i_height;
2288 if( p_dec->fmt_out.video.i_visible_height == 1088 &&
2289 var_CreateGetBool( p_dec, "hdtv-fix" ) )
2291 p_dec->fmt_out.video.i_visible_height = 1080;
2292 if( !(p_dec->fmt_out.video.i_sar_num % 136))
2294 p_dec->fmt_out.video.i_sar_num *= 135;
2295 p_dec->fmt_out.video.i_sar_den *= 136;
2297 msg_Warn( p_dec, "Fixing broken HDTV stream (display_height=1088)");
2300 if( !p_dec->fmt_out.video.i_sar_num ||
2301 !p_dec->fmt_out.video.i_sar_den )
2303 p_dec->fmt_out.video.i_sar_num = 1;
2304 p_dec->fmt_out.video.i_sar_den = 1;
2307 vlc_ureduce( &p_dec->fmt_out.video.i_sar_num,
2308 &p_dec->fmt_out.video.i_sar_den,
2309 p_dec->fmt_out.video.i_sar_num,
2310 p_dec->fmt_out.video.i_sar_den, 50000 );
2312 p_dec->fmt_out.video.i_chroma = p_dec->fmt_out.i_codec;
2313 p_owner->video = p_dec->fmt_out.video;
2315 vlc_mutex_lock( &p_owner->lock );
2317 DecoderFlushBuffering( p_dec );
2319 p_vout = p_owner->p_vout;
2320 p_owner->p_vout = NULL;
2321 vlc_mutex_unlock( &p_owner->lock );
2323 p_vout = input_resource_RequestVout( p_owner->p_input->p->p_resource,
2324 p_vout, &p_dec->fmt_out.video, true );
2326 vlc_mutex_lock( &p_owner->lock );
2327 p_owner->p_vout = p_vout;
2329 DecoderUpdateFormatLocked( p_dec );
2331 vlc_mutex_unlock( &p_owner->lock );
2333 input_SendEventVout( p_owner->p_input );
2334 if( p_vout == NULL )
2336 msg_Err( p_dec, "failed to create video output" );
2337 p_dec->b_error = true;
2341 if( p_owner->video.i_rmask )
2342 p_owner->p_vout->render.i_rmask = p_owner->video.i_rmask;
2343 if( p_owner->video.i_gmask )
2344 p_owner->p_vout->render.i_gmask = p_owner->video.i_gmask;
2345 if( p_owner->video.i_bmask )
2346 p_owner->p_vout->render.i_bmask = p_owner->video.i_bmask;
2349 /* Get a new picture
2353 picture_t *p_picture;
2355 if( p_dec->b_die || p_dec->b_error )
2358 /* The video filter chain required that there is always 1 free buffer
2359 * that it will use as temporary one. It will release the temporary
2360 * buffer once its work is done, so this check is safe even if we don't
2361 * lock around both count() and create().
2363 if( vout_CountPictureAvailable( p_owner->p_vout ) >= 2 )
2365 p_picture = vout_CreatePicture( p_owner->p_vout, 0, 0, 0 );
2370 if( DecoderIsFlushing( p_dec ) )
2374 DecoderSignalBuffering( p_dec, true );
2376 /* Check the decoder doesn't leak pictures */
2377 vout_FixLeaks( p_owner->p_vout, false );
2379 /* FIXME add a vout_WaitPictureAvailable (timedwait) */
2380 msleep( VOUT_OUTMEM_SLEEP );
2384 static void vout_del_buffer( decoder_t *p_dec, picture_t *p_pic )
2386 vout_DropPicture( p_dec->p_owner->p_vout, p_pic );
2389 static void vout_link_picture( decoder_t *p_dec, picture_t *p_pic )
2391 vout_LinkPicture( p_dec->p_owner->p_vout, p_pic );
2394 static void vout_unlink_picture( decoder_t *p_dec, picture_t *p_pic )
2396 vout_UnlinkPicture( p_dec->p_owner->p_vout, p_pic );
2399 static subpicture_t *spu_new_buffer( decoder_t *p_dec )
2401 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2402 vout_thread_t *p_vout = NULL;
2403 subpicture_t *p_subpic;
2404 int i_attempts = 30;
2406 while( i_attempts-- )
2408 if( p_dec->b_die || p_dec->b_error )
2411 p_vout = input_resource_HoldVout( p_owner->p_input->p->p_resource );
2415 msleep( DECODER_SPU_VOUT_WAIT_DURATION );
2420 msg_Warn( p_dec, "no vout found, dropping subpicture" );
2424 if( p_owner->p_spu_vout != p_vout )
2426 vlc_mutex_lock( &p_owner->lock );
2428 DecoderFlushBuffering( p_dec );
2430 vlc_mutex_unlock( &p_owner->lock );
2432 spu_Control( vout_GetSpu( p_vout ), SPU_CHANNEL_REGISTER,
2433 &p_owner->i_spu_channel );
2434 p_owner->i_spu_order = 0;
2435 p_owner->p_spu_vout = p_vout;
2438 p_subpic = subpicture_New();
2441 p_subpic->i_channel = p_owner->i_spu_channel;
2442 p_subpic->i_order = p_owner->i_spu_order++;
2443 p_subpic->b_subtitle = true;
2446 vlc_object_release( p_vout );
2451 static void spu_del_buffer( decoder_t *p_dec, subpicture_t *p_subpic )
2453 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2454 vout_thread_t *p_vout = NULL;
2456 p_vout = input_resource_HoldVout( p_owner->p_input->p->p_resource );
2457 if( !p_vout || p_owner->p_spu_vout != p_vout )
2460 vlc_object_release( p_vout );
2461 msg_Warn( p_dec, "no vout found, leaking subpicture" );
2465 subpicture_Delete( p_subpic );
2467 vlc_object_release( p_vout );