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 *, const subpicture_updater_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,
217 const subpicture_updater_t *p_dyn )
219 subpicture_t *p_subpicture = p_decoder->pf_spu_buffer_new( p_decoder, p_dyn );
221 msg_Warn( p_decoder, "can't get output subpicture" );
225 void decoder_DeleteSubpicture( decoder_t *p_decoder, subpicture_t *p_subpicture )
227 p_decoder->pf_spu_buffer_del( p_decoder, p_subpicture );
230 /* decoder_GetInputAttachments:
232 int decoder_GetInputAttachments( decoder_t *p_dec,
233 input_attachment_t ***ppp_attachment,
236 if( !p_dec->pf_get_attachments )
239 return p_dec->pf_get_attachments( p_dec, ppp_attachment, pi_attachment );
241 /* decoder_GetDisplayDate:
243 mtime_t decoder_GetDisplayDate( decoder_t *p_dec, mtime_t i_ts )
245 if( !p_dec->pf_get_display_date )
246 return VLC_TS_INVALID;
248 return p_dec->pf_get_display_date( p_dec, i_ts );
250 /* decoder_GetDisplayRate:
252 int decoder_GetDisplayRate( decoder_t *p_dec )
254 if( !p_dec->pf_get_display_rate )
255 return INPUT_RATE_DEFAULT;
257 return p_dec->pf_get_display_rate( p_dec );
261 * Spawns a new decoder thread
263 * \param p_input the input thread
264 * \param p_es the es descriptor
265 * \return the spawned decoder object
267 decoder_t *input_DecoderNew( input_thread_t *p_input,
268 es_format_t *fmt, input_clock_t *p_clock,
269 sout_instance_t *p_sout )
271 decoder_t *p_dec = NULL;
272 const char *psz_type = p_sout ? N_("packetizer") : N_("decoder");
275 /* Create the decoder configuration structure */
276 p_dec = CreateDecoder( p_input, fmt, p_sout != NULL, p_sout );
279 msg_Err( p_input, "could not create %s", psz_type );
280 dialog_Fatal( p_input, _("Streaming / Transcoding failed"),
281 _("VLC could not open the %s module."),
282 vlc_gettext( psz_type ) );
286 if( !p_dec->p_module )
288 DecoderUnsupportedCodec( p_dec, fmt->i_codec );
290 DeleteDecoder( p_dec );
294 p_dec->p_owner->p_clock = p_clock;
295 assert( p_dec->fmt_out.i_cat != UNKNOWN_ES );
297 if( p_dec->fmt_out.i_cat == AUDIO_ES )
298 i_priority = VLC_THREAD_PRIORITY_AUDIO;
300 i_priority = VLC_THREAD_PRIORITY_VIDEO;
302 /* Spawn the decoder thread */
303 if( vlc_thread_create( p_dec, "decoder", DecoderThread, i_priority ) )
305 msg_Err( p_dec, "cannot spawn decoder thread" );
306 module_unneed( p_dec, p_dec->p_module );
307 DeleteDecoder( 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 );
350 DeleteDecoder( p_dec );
354 * Put a block_t in the decoder's fifo.
355 * Thread-safe w.r.t. the decoder. May be a cancellation point.
357 * \param p_dec the decoder object
358 * \param p_block the data block
360 void input_DecoderDecode( decoder_t *p_dec, block_t *p_block, bool b_do_pace )
362 decoder_owner_sys_t *p_owner = p_dec->p_owner;
366 /* The fifo is not consummed when buffering and so will
368 * There is no need to lock as b_buffering is never modify
369 * inside decoder thread. */
370 if( !p_owner->b_buffering )
371 block_FifoPace( p_owner->p_fifo, 10, SIZE_MAX );
374 else if( block_FifoSize( p_owner->p_fifo ) > 50*1024*1024 /* 50 MiB */ )
376 else if( block_FifoSize( p_owner->p_fifo ) > 400*1024*1024 /* 400 MiB, ie ~ 50mb/s for 60s */ )
379 /* FIXME: ideally we would check the time amount of data
380 * in the FIFO instead of its size. */
381 msg_Warn( p_dec, "decoder/packetizer fifo full (data not "
382 "consumed quickly enough), resetting fifo!" );
383 block_FifoEmpty( p_owner->p_fifo );
386 block_FifoPut( p_owner->p_fifo, p_block );
389 bool input_DecoderIsEmpty( decoder_t * p_dec )
391 decoder_owner_sys_t *p_owner = p_dec->p_owner;
392 assert( !p_owner->b_buffering );
394 bool b_empty = block_FifoCount( p_dec->p_owner->p_fifo ) <= 0;
397 vlc_mutex_lock( &p_owner->lock );
398 /* TODO audio support */
399 if( p_dec->fmt_out.i_cat == VIDEO_ES && p_owner->p_vout )
400 b_empty = vout_IsEmpty( p_owner->p_vout );
401 vlc_mutex_unlock( &p_owner->lock );
406 void input_DecoderIsCcPresent( decoder_t *p_dec, bool pb_present[4] )
408 decoder_owner_sys_t *p_owner = p_dec->p_owner;
411 vlc_mutex_lock( &p_owner->lock );
412 for( i = 0; i < 4; i++ )
413 pb_present[i] = p_owner->cc.pb_present[i];
414 vlc_mutex_unlock( &p_owner->lock );
416 int input_DecoderSetCcState( decoder_t *p_dec, bool b_decode, int i_channel )
418 decoder_owner_sys_t *p_owner = p_dec->p_owner;
420 //msg_Warn( p_dec, "input_DecoderSetCcState: %d @%d", b_decode, i_channel );
422 if( i_channel < 0 || i_channel >= 4 || !p_owner->cc.pb_present[i_channel] )
427 static const vlc_fourcc_t fcc[4] = {
428 VLC_FOURCC('c', 'c', '1', ' '),
429 VLC_FOURCC('c', 'c', '2', ' '),
430 VLC_FOURCC('c', 'c', '3', ' '),
431 VLC_FOURCC('c', 'c', '4', ' '),
436 es_format_Init( &fmt, SPU_ES, fcc[i_channel] );
437 p_cc = CreateDecoder( p_owner->p_input, &fmt, false, p_owner->p_sout );
440 msg_Err( p_dec, "could not create decoder" );
441 dialog_Fatal( p_dec, _("Streaming / Transcoding failed"), "%s",
442 _("VLC could not open the decoder module.") );
445 else if( !p_cc->p_module )
447 DecoderUnsupportedCodec( p_dec, fcc[i_channel] );
448 DeleteDecoder( p_cc );
451 p_cc->p_owner->p_clock = p_owner->p_clock;
453 vlc_mutex_lock( &p_owner->lock );
454 p_owner->cc.pp_decoder[i_channel] = p_cc;
455 vlc_mutex_unlock( &p_owner->lock );
461 vlc_mutex_lock( &p_owner->lock );
462 p_cc = p_owner->cc.pp_decoder[i_channel];
463 p_owner->cc.pp_decoder[i_channel] = NULL;
464 vlc_mutex_unlock( &p_owner->lock );
468 vlc_object_kill( p_cc );
469 module_unneed( p_cc, p_cc->p_module );
470 DeleteDecoder( p_cc );
475 int input_DecoderGetCcState( decoder_t *p_dec, bool *pb_decode, int i_channel )
477 decoder_owner_sys_t *p_owner = p_dec->p_owner;
480 if( i_channel < 0 || i_channel >= 4 || !p_owner->cc.pb_present[i_channel] )
483 vlc_mutex_lock( &p_owner->lock );
484 *pb_decode = p_owner->cc.pp_decoder[i_channel] != NULL;
485 vlc_mutex_unlock( &p_owner->lock );
489 void input_DecoderChangePause( decoder_t *p_dec, bool b_paused, mtime_t i_date )
491 decoder_owner_sys_t *p_owner = p_dec->p_owner;
493 vlc_mutex_lock( &p_owner->lock );
495 assert( !p_owner->b_paused || !b_paused );
497 p_owner->b_paused = b_paused;
498 p_owner->pause.i_date = i_date;
499 p_owner->pause.i_ignore = 0;
500 vlc_cond_signal( &p_owner->wait_request );
502 DecoderOutputChangePause( p_dec, b_paused, i_date );
504 vlc_mutex_unlock( &p_owner->lock );
507 void input_DecoderChangeDelay( decoder_t *p_dec, mtime_t i_delay )
509 decoder_owner_sys_t *p_owner = p_dec->p_owner;
511 vlc_mutex_lock( &p_owner->lock );
512 p_owner->i_ts_delay = i_delay;
513 vlc_mutex_unlock( &p_owner->lock );
516 void input_DecoderStartBuffering( decoder_t *p_dec )
518 decoder_owner_sys_t *p_owner = p_dec->p_owner;
520 vlc_mutex_lock( &p_owner->lock );
522 DecoderFlush( p_dec );
524 p_owner->buffer.b_first = true;
525 p_owner->buffer.b_full = false;
526 p_owner->buffer.i_count = 0;
528 assert( !p_owner->buffer.p_picture && !p_owner->buffer.p_subpic &&
529 !p_owner->buffer.p_audio && !p_owner->buffer.p_block );
531 p_owner->buffer.p_picture = NULL;
532 p_owner->buffer.pp_picture_next = &p_owner->buffer.p_picture;
534 p_owner->buffer.p_subpic = NULL;
535 p_owner->buffer.pp_subpic_next = &p_owner->buffer.p_subpic;
537 p_owner->buffer.p_audio = NULL;
538 p_owner->buffer.pp_audio_next = &p_owner->buffer.p_audio;
540 p_owner->buffer.p_block = NULL;
541 p_owner->buffer.pp_block_next = &p_owner->buffer.p_block;
544 p_owner->b_buffering = true;
546 vlc_cond_signal( &p_owner->wait_request );
548 vlc_mutex_unlock( &p_owner->lock );
551 void input_DecoderStopBuffering( decoder_t *p_dec )
553 decoder_owner_sys_t *p_owner = p_dec->p_owner;
555 vlc_mutex_lock( &p_owner->lock );
557 p_owner->b_buffering = false;
559 vlc_cond_signal( &p_owner->wait_request );
561 vlc_mutex_unlock( &p_owner->lock );
564 void input_DecoderWaitBuffering( decoder_t *p_dec )
566 decoder_owner_sys_t *p_owner = p_dec->p_owner;
568 vlc_mutex_lock( &p_owner->lock );
570 while( vlc_object_alive( p_dec ) && p_owner->b_buffering && !p_owner->buffer.b_full )
572 block_FifoWake( p_owner->p_fifo );
573 vlc_cond_wait( &p_owner->wait_acknowledge, &p_owner->lock );
576 vlc_mutex_unlock( &p_owner->lock );
579 void input_DecoderFrameNext( decoder_t *p_dec, mtime_t *pi_duration )
581 decoder_owner_sys_t *p_owner = p_dec->p_owner;
585 vlc_mutex_lock( &p_owner->lock );
586 if( p_dec->fmt_out.i_cat == VIDEO_ES )
588 if( p_owner->b_paused && p_owner->p_vout )
590 vout_NextPicture( p_owner->p_vout, pi_duration );
591 p_owner->pause.i_ignore++;
592 vlc_cond_signal( &p_owner->wait_request );
597 /* TODO subtitle should not be flushed */
598 DecoderFlush( p_dec );
600 vlc_mutex_unlock( &p_owner->lock );
603 bool input_DecoderHasFormatChanged( decoder_t *p_dec, es_format_t *p_fmt, vlc_meta_t **pp_meta )
605 decoder_owner_sys_t *p_owner = p_dec->p_owner;
608 vlc_mutex_lock( &p_owner->lock );
609 b_changed = p_owner->b_fmt_description;
613 es_format_Copy( p_fmt, &p_owner->fmt_description );
618 if( p_owner->p_description )
620 *pp_meta = vlc_meta_New();
622 vlc_meta_Merge( *pp_meta, p_owner->p_description );
625 p_owner->b_fmt_description = false;
627 vlc_mutex_unlock( &p_owner->lock );
631 size_t input_DecoderGetFifoSize( decoder_t *p_dec )
633 decoder_owner_sys_t *p_owner = p_dec->p_owner;
635 return block_FifoSize( p_owner->p_fifo );
638 void input_DecoderGetObjects( decoder_t *p_dec,
639 vout_thread_t **pp_vout, aout_instance_t **pp_aout )
641 decoder_owner_sys_t *p_owner = p_dec->p_owner;
643 vlc_mutex_lock( &p_owner->lock );
645 *pp_vout = p_owner->p_vout ? vlc_object_hold( p_owner->p_vout ) : NULL;
647 *pp_aout = p_owner->p_aout ? vlc_object_hold( p_owner->p_aout ) : NULL;
648 vlc_mutex_unlock( &p_owner->lock );
651 /*****************************************************************************
653 *****************************************************************************/
654 static int DecoderGetInputAttachments( decoder_t *p_dec,
655 input_attachment_t ***ppp_attachment,
658 return input_Control( p_dec->p_owner->p_input, INPUT_GET_ATTACHMENTS,
659 ppp_attachment, pi_attachment );
661 static mtime_t DecoderGetDisplayDate( decoder_t *p_dec, mtime_t i_ts )
663 decoder_owner_sys_t *p_owner = p_dec->p_owner;
665 vlc_mutex_lock( &p_owner->lock );
666 if( p_owner->b_buffering || p_owner->b_paused )
667 i_ts = VLC_TS_INVALID;
668 vlc_mutex_unlock( &p_owner->lock );
670 if( !p_owner->p_clock || i_ts <= VLC_TS_INVALID )
673 if( input_clock_ConvertTS( p_owner->p_clock, NULL, &i_ts, NULL, INT64_MAX ) )
674 return VLC_TS_INVALID;
678 static int DecoderGetDisplayRate( decoder_t *p_dec )
680 decoder_owner_sys_t *p_owner = p_dec->p_owner;
682 if( !p_owner->p_clock )
683 return INPUT_RATE_DEFAULT;
684 return input_clock_GetRate( p_owner->p_clock );
688 static void DecoderUnsupportedCodec( decoder_t *p_dec, vlc_fourcc_t codec )
690 msg_Err( p_dec, "no suitable decoder module for fourcc `%4.4s'. "
691 "VLC probably does not support this sound or video format.",
693 dialog_Fatal( p_dec, _("No suitable decoder module"),
694 _("VLC does not support the audio or video format \"%4.4s\". "
695 "Unfortunately there is no way for you to fix this."),
701 * Create a decoder object
703 * \param p_input the input thread
704 * \param p_es the es descriptor
705 * \param b_packetizer instead of a decoder
706 * \return the decoder object
708 static decoder_t * CreateDecoder( input_thread_t *p_input,
709 es_format_t *fmt, bool b_packetizer,
710 sout_instance_t *p_sout )
713 decoder_owner_sys_t *p_owner;
714 es_format_t null_es_format;
716 p_dec = vlc_custom_create( p_input, sizeof( *p_dec ), VLC_OBJECT_DECODER,
721 p_dec->pf_decode_audio = NULL;
722 p_dec->pf_decode_video = NULL;
723 p_dec->pf_decode_sub = NULL;
724 p_dec->pf_get_cc = NULL;
725 p_dec->pf_packetize = NULL;
727 /* Initialize the decoder */
728 p_dec->p_module = NULL;
730 memset( &null_es_format, 0, sizeof(es_format_t) );
731 es_format_Copy( &p_dec->fmt_in, fmt );
732 es_format_Copy( &p_dec->fmt_out, &null_es_format );
734 p_dec->p_description = NULL;
736 /* Allocate our private structure for the decoder */
737 p_dec->p_owner = p_owner = malloc( sizeof( decoder_owner_sys_t ) );
738 if( p_dec->p_owner == NULL )
740 vlc_object_release( p_dec );
743 p_dec->p_owner->i_preroll_end = VLC_TS_INVALID;
744 p_dec->p_owner->i_last_rate = INPUT_RATE_DEFAULT;
745 p_dec->p_owner->p_input = p_input;
746 p_dec->p_owner->p_aout = NULL;
747 p_dec->p_owner->p_aout_input = NULL;
748 p_dec->p_owner->p_vout = NULL;
749 p_dec->p_owner->p_spu_vout = NULL;
750 p_dec->p_owner->i_spu_channel = 0;
751 p_dec->p_owner->i_spu_order = 0;
752 p_dec->p_owner->p_sout = p_sout;
753 p_dec->p_owner->p_sout_input = NULL;
754 p_dec->p_owner->p_packetizer = NULL;
755 p_dec->p_owner->b_packetizer = b_packetizer;
758 if( ( p_dec->p_owner->p_fifo = block_FifoNew() ) == NULL )
760 free( p_dec->p_owner );
761 vlc_object_release( p_dec );
765 /* Set buffers allocation callbacks for the decoders */
766 p_dec->pf_aout_buffer_new = aout_new_buffer;
767 p_dec->pf_aout_buffer_del = aout_del_buffer;
768 p_dec->pf_vout_buffer_new = vout_new_buffer;
769 p_dec->pf_vout_buffer_del = vout_del_buffer;
770 p_dec->pf_picture_link = vout_link_picture;
771 p_dec->pf_picture_unlink = vout_unlink_picture;
772 p_dec->pf_spu_buffer_new = spu_new_buffer;
773 p_dec->pf_spu_buffer_del = spu_del_buffer;
775 p_dec->pf_get_attachments = DecoderGetInputAttachments;
776 p_dec->pf_get_display_date = DecoderGetDisplayDate;
777 p_dec->pf_get_display_rate = DecoderGetDisplayRate;
779 vlc_object_attach( p_dec, p_input );
781 /* Find a suitable decoder/packetizer module */
783 p_dec->p_module = module_need( p_dec, "decoder", "$codec", false );
785 p_dec->p_module = module_need( p_dec, "packetizer", "$packetizer", false );
787 /* Check if decoder requires already packetized data */
789 p_dec->b_need_packetized && !p_dec->fmt_in.b_packetized )
791 p_dec->p_owner->p_packetizer =
792 vlc_custom_create( p_input, sizeof( decoder_t ),
793 VLC_OBJECT_DECODER, "packetizer" );
794 if( p_dec->p_owner->p_packetizer )
796 es_format_Copy( &p_dec->p_owner->p_packetizer->fmt_in,
799 es_format_Copy( &p_dec->p_owner->p_packetizer->fmt_out,
802 vlc_object_attach( p_dec->p_owner->p_packetizer, p_input );
804 p_dec->p_owner->p_packetizer->p_module =
805 module_need( p_dec->p_owner->p_packetizer,
806 "packetizer", "$packetizer", false );
808 if( !p_dec->p_owner->p_packetizer->p_module )
810 es_format_Clean( &p_dec->p_owner->p_packetizer->fmt_in );
811 vlc_object_release( p_dec->p_owner->p_packetizer );
816 /* Copy ourself the input replay gain */
817 if( fmt->i_cat == AUDIO_ES )
819 for( unsigned i = 0; i < AUDIO_REPLAY_GAIN_MAX; i++ )
821 if( !p_dec->fmt_out.audio_replay_gain.pb_peak[i] )
823 p_dec->fmt_out.audio_replay_gain.pb_peak[i] = fmt->audio_replay_gain.pb_peak[i];
824 p_dec->fmt_out.audio_replay_gain.pf_peak[i] = fmt->audio_replay_gain.pf_peak[i];
826 if( !p_dec->fmt_out.audio_replay_gain.pb_gain[i] )
828 p_dec->fmt_out.audio_replay_gain.pb_gain[i] = fmt->audio_replay_gain.pb_gain[i];
829 p_dec->fmt_out.audio_replay_gain.pf_gain[i] = fmt->audio_replay_gain.pf_gain[i];
835 vlc_mutex_init( &p_owner->lock );
836 vlc_cond_init( &p_owner->wait_request );
837 vlc_cond_init( &p_owner->wait_acknowledge );
839 p_owner->b_fmt_description = false;
840 es_format_Init( &p_owner->fmt_description, UNKNOWN_ES, 0 );
841 p_owner->p_description = NULL;
843 p_owner->b_paused = false;
844 p_owner->pause.i_date = VLC_TS_INVALID;
845 p_owner->pause.i_ignore = 0;
847 p_owner->b_buffering = false;
848 p_owner->buffer.b_first = true;
849 p_owner->buffer.b_full = false;
850 p_owner->buffer.i_count = 0;
851 p_owner->buffer.p_picture = NULL;
852 p_owner->buffer.p_subpic = NULL;
853 p_owner->buffer.p_audio = NULL;
854 p_owner->buffer.p_block = NULL;
856 p_owner->b_flushing = false;
859 p_owner->cc.b_supported = false;
862 if( p_owner->p_packetizer && p_owner->p_packetizer->pf_get_cc )
863 p_owner->cc.b_supported = true;
864 if( p_dec->pf_get_cc )
865 p_owner->cc.b_supported = true;
868 for( unsigned i = 0; i < 4; i++ )
870 p_owner->cc.pb_present[i] = false;
871 p_owner->cc.pp_decoder[i] = NULL;
873 p_owner->i_ts_delay = 0;
878 * The decoding main loop
880 * \param p_dec the decoder
882 static void *DecoderThread( vlc_object_t *p_this )
884 decoder_t *p_dec = (decoder_t *)p_this;
885 decoder_owner_sys_t *p_owner = p_dec->p_owner;
887 /* The decoder's main loop */
890 block_t *p_block = block_FifoGet( p_owner->p_fifo );
892 /* Make sure there is no cancellation point other than this one^^.
893 * If you need one, be sure to push cleanup of p_block. */
894 DecoderSignalBuffering( p_dec, p_block == NULL );
898 int canc = vlc_savecancel();
901 DecoderError( p_dec, p_block );
903 DecoderProcess( p_dec, p_block );
905 vlc_restorecancel( canc );
911 static block_t *DecoderBlockFlushNew()
913 block_t *p_null = block_Alloc( 128 );
917 p_null->i_flags |= BLOCK_FLAG_DISCONTINUITY |
918 BLOCK_FLAG_CORRUPTED |
919 BLOCK_FLAG_CORE_FLUSH;
920 memset( p_null->p_buffer, 0, p_null->i_buffer );
925 static void DecoderFlush( decoder_t *p_dec )
927 decoder_owner_sys_t *p_owner = p_dec->p_owner;
929 vlc_assert_locked( &p_owner->lock );
932 block_FifoEmpty( p_owner->p_fifo );
934 /* Monitor for flush end */
935 p_owner->b_flushing = true;
936 vlc_cond_signal( &p_owner->wait_request );
938 /* Send a special block */
939 block_t *p_null = DecoderBlockFlushNew();
942 input_DecoderDecode( p_dec, p_null, false );
945 while( vlc_object_alive( p_dec ) && p_owner->b_flushing )
946 vlc_cond_wait( &p_owner->wait_acknowledge, &p_owner->lock );
949 static void DecoderSignalBuffering( decoder_t *p_dec, bool b_full )
951 decoder_owner_sys_t *p_owner = p_dec->p_owner;
953 vlc_mutex_lock( &p_owner->lock );
955 if( p_owner->b_buffering )
958 p_owner->buffer.b_full = true;
959 vlc_cond_signal( &p_owner->wait_acknowledge );
962 vlc_mutex_unlock( &p_owner->lock );
965 static bool DecoderIsFlushing( decoder_t *p_dec )
967 decoder_owner_sys_t *p_owner = p_dec->p_owner;
970 vlc_mutex_lock( &p_owner->lock );
972 b_flushing = p_owner->b_flushing;
974 vlc_mutex_unlock( &p_owner->lock );
979 static void DecoderWaitUnblock( decoder_t *p_dec, bool *pb_reject )
981 decoder_owner_sys_t *p_owner = p_dec->p_owner;
983 vlc_assert_locked( &p_owner->lock );
985 while( !p_owner->b_flushing )
987 if( p_owner->b_paused )
989 if( p_owner->b_buffering && !p_owner->buffer.b_full )
991 if( p_owner->pause.i_ignore > 0 )
993 p_owner->pause.i_ignore--;
999 if( !p_owner->b_buffering || !p_owner->buffer.b_full )
1002 vlc_cond_wait( &p_owner->wait_request, &p_owner->lock );
1006 *pb_reject = p_owner->b_flushing;
1009 static void DecoderOutputChangePause( decoder_t *p_dec, bool b_paused, mtime_t i_date )
1011 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1013 vlc_assert_locked( &p_owner->lock );
1015 /* XXX only audio and video output have to be paused.
1016 * - for sout it is useless
1017 * - for subs, it is done by the vout
1019 if( p_dec->fmt_out.i_cat == AUDIO_ES )
1021 if( p_owner->p_aout && p_owner->p_aout_input )
1022 aout_DecChangePause( p_owner->p_aout, p_owner->p_aout_input,
1025 else if( p_dec->fmt_out.i_cat == VIDEO_ES )
1027 if( p_owner->p_vout )
1028 vout_ChangePause( p_owner->p_vout, b_paused, i_date );
1031 static inline void DecoderUpdatePreroll( int64_t *pi_preroll, const block_t *p )
1033 if( p->i_flags & (BLOCK_FLAG_PREROLL|BLOCK_FLAG_DISCONTINUITY) )
1034 *pi_preroll = INT64_MAX;
1035 else if( p->i_dts > VLC_TS_INVALID )
1036 *pi_preroll = __MIN( *pi_preroll, p->i_dts );
1037 else if( p->i_pts > VLC_TS_INVALID )
1038 *pi_preroll = __MIN( *pi_preroll, p->i_pts );
1041 static mtime_t DecoderTeletextFixTs( mtime_t i_ts )
1043 mtime_t current_date = mdate();
1045 /* FIXME I don't really like that, es_out SHOULD do it using the video pts */
1046 if( i_ts <= VLC_TS_INVALID || i_ts > current_date + 10000000 || i_ts < current_date )
1048 /* ETSI EN 300 472 Annex A : do not take into account the PTS
1049 * for teletext streams. */
1050 return current_date + 400000;
1055 static void DecoderFixTs( decoder_t *p_dec, mtime_t *pi_ts0, mtime_t *pi_ts1,
1056 mtime_t *pi_duration, int *pi_rate, mtime_t i_ts_bound, bool b_telx )
1058 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1059 input_clock_t *p_clock = p_owner->p_clock;
1061 vlc_assert_locked( &p_owner->lock );
1063 const mtime_t i_es_delay = p_owner->i_ts_delay;
1067 const bool b_ephemere = pi_ts1 && *pi_ts0 == *pi_ts1;
1070 if( *pi_ts0 > VLC_TS_INVALID )
1072 *pi_ts0 += i_es_delay;
1073 if( pi_ts1 && *pi_ts1 > VLC_TS_INVALID )
1074 *pi_ts1 += i_es_delay;
1075 if( input_clock_ConvertTS( p_clock, &i_rate, pi_ts0, pi_ts1, i_ts_bound ) )
1076 *pi_ts0 = VLC_TS_INVALID;
1080 i_rate = input_clock_GetRate( p_clock );
1083 /* Do not create ephemere data because of rounding errors */
1084 if( !b_ephemere && pi_ts1 && *pi_ts0 == *pi_ts1 )
1088 *pi_duration = ( *pi_duration * i_rate +
1089 INPUT_RATE_DEFAULT-1 ) / INPUT_RATE_DEFAULT;
1096 *pi_ts0 = DecoderTeletextFixTs( *pi_ts0 );
1097 if( pi_ts1 && *pi_ts1 <= VLC_TS_INVALID )
1104 * If *pb_reject, it does nothing, otherwise it waits for the given
1105 * deadline or a flush request (in which case it set *pi_reject to true.
1107 static void DecoderWaitDate( decoder_t *p_dec,
1108 bool *pb_reject, mtime_t i_deadline )
1110 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1112 if( *pb_reject || i_deadline < 0 )
1117 vlc_mutex_lock( &p_owner->lock );
1118 if( p_owner->b_flushing || p_dec->b_die )
1121 vlc_mutex_unlock( &p_owner->lock );
1124 int i_ret = vlc_cond_timedwait( &p_owner->wait_request, &p_owner->lock,
1126 vlc_mutex_unlock( &p_owner->lock );
1132 static void DecoderPlayAudio( decoder_t *p_dec, aout_buffer_t *p_audio,
1133 int *pi_played_sum, int *pi_lost_sum )
1135 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1136 aout_instance_t *p_aout = p_owner->p_aout;
1137 aout_input_t *p_aout_input = p_owner->p_aout_input;
1140 if( p_audio->i_pts <= VLC_TS_INVALID ) // FIXME --VLC_TS_INVALID verify audio_output/*
1142 msg_Warn( p_dec, "non-dated audio buffer received" );
1144 aout_BufferFree( p_audio );
1149 vlc_mutex_lock( &p_owner->lock );
1151 if( p_owner->b_buffering || p_owner->buffer.p_audio )
1153 p_audio->p_next = NULL;
1155 *p_owner->buffer.pp_audio_next = p_audio;
1156 p_owner->buffer.pp_audio_next = &p_audio->p_next;
1158 p_owner->buffer.i_count++;
1159 if( p_owner->buffer.i_count > DECODER_MAX_BUFFERING_COUNT ||
1160 p_audio->i_pts - p_owner->buffer.p_audio->i_pts > DECODER_MAX_BUFFERING_AUDIO_DURATION )
1162 p_owner->buffer.b_full = true;
1163 vlc_cond_signal( &p_owner->wait_acknowledge );
1169 bool b_has_more = false;
1171 DecoderWaitUnblock( p_dec, &b_reject );
1173 if( p_owner->b_buffering )
1175 vlc_mutex_unlock( &p_owner->lock );
1180 if( p_owner->buffer.p_audio )
1182 p_audio = p_owner->buffer.p_audio;
1184 p_owner->buffer.p_audio = p_audio->p_next;
1185 p_owner->buffer.i_count--;
1187 b_has_more = p_owner->buffer.p_audio != NULL;
1189 p_owner->buffer.pp_audio_next = &p_owner->buffer.p_audio;
1193 const bool b_dated = p_audio->i_pts > VLC_TS_INVALID;
1194 int i_rate = INPUT_RATE_DEFAULT;
1196 DecoderFixTs( p_dec, &p_audio->i_pts, NULL, &p_audio->i_length,
1197 &i_rate, AOUT_MAX_ADVANCE_TIME, false );
1199 vlc_mutex_unlock( &p_owner->lock );
1201 if( !p_aout || !p_aout_input ||
1202 p_audio->i_pts <= VLC_TS_INVALID ||
1203 i_rate < INPUT_RATE_DEFAULT/AOUT_MAX_INPUT_RATE ||
1204 i_rate > INPUT_RATE_DEFAULT*AOUT_MAX_INPUT_RATE )
1207 DecoderWaitDate( p_dec, &b_reject,
1208 p_audio->i_pts - AOUT_MAX_PREPARE_TIME );
1212 if( !aout_DecPlay( p_aout, p_aout_input, p_audio, i_rate ) )
1213 *pi_played_sum += 1;
1214 *pi_lost_sum += aout_DecGetResetLost( p_aout, p_aout_input );
1219 msg_Warn( p_aout, "received buffer in the future" );
1221 msg_Warn( p_dec, "non-dated audio buffer received" );
1224 aout_BufferFree( p_audio );
1230 vlc_mutex_lock( &p_owner->lock );
1231 if( !p_owner->buffer.p_audio )
1233 vlc_mutex_unlock( &p_owner->lock );
1239 static void DecoderDecodeAudio( decoder_t *p_dec, block_t *p_block )
1241 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1242 input_thread_t *p_input = p_owner->p_input;
1243 aout_buffer_t *p_aout_buf;
1248 while( (p_aout_buf = p_dec->pf_decode_audio( p_dec, &p_block )) )
1250 aout_instance_t *p_aout = p_owner->p_aout;
1251 aout_input_t *p_aout_input = p_owner->p_aout_input;
1255 /* It prevent freezing VLC in case of broken decoder */
1256 aout_DecDeleteBuffer( p_aout, p_aout_input, p_aout_buf );
1258 block_Release( p_block );
1263 if( p_owner->i_preroll_end > VLC_TS_INVALID &&
1264 p_aout_buf->i_pts < p_owner->i_preroll_end )
1266 aout_DecDeleteBuffer( p_aout, p_aout_input, p_aout_buf );
1270 if( p_owner->i_preroll_end > VLC_TS_INVALID )
1272 msg_Dbg( p_dec, "End of audio preroll" );
1273 if( p_owner->p_aout && p_owner->p_aout_input )
1274 aout_DecFlush( p_owner->p_aout, p_owner->p_aout_input );
1276 p_owner->i_preroll_end = VLC_TS_INVALID;
1279 DecoderPlayAudio( p_dec, p_aout_buf, &i_played, &i_lost );
1282 /* Update ugly stat */
1283 if( i_decoded > 0 || i_lost > 0 || i_played > 0 )
1285 vlc_mutex_lock( &p_input->p->counters.counters_lock);
1287 stats_UpdateInteger( p_dec, p_input->p->counters.p_lost_abuffers,
1289 stats_UpdateInteger( p_dec, p_input->p->counters.p_played_abuffers,
1291 stats_UpdateInteger( p_dec, p_input->p->counters.p_decoded_audio,
1294 vlc_mutex_unlock( &p_input->p->counters.counters_lock);
1297 static void DecoderGetCc( decoder_t *p_dec, decoder_t *p_dec_cc )
1299 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1302 bool b_processed = false;
1306 assert( p_dec_cc->pf_get_cc != NULL );
1308 /* Do not try retreiving CC if not wanted (sout) or cannot be retreived */
1309 if( !p_owner->cc.b_supported )
1312 p_cc = p_dec_cc->pf_get_cc( p_dec_cc, pb_present );
1316 vlc_mutex_lock( &p_owner->lock );
1317 for( i = 0, i_cc_decoder = 0; i < 4; i++ )
1319 p_owner->cc.pb_present[i] |= pb_present[i];
1320 if( p_owner->cc.pp_decoder[i] )
1324 for( i = 0; i < 4; i++ )
1326 if( !p_owner->cc.pp_decoder[i] )
1329 if( i_cc_decoder > 1 )
1330 DecoderProcess( p_owner->cc.pp_decoder[i], block_Duplicate( p_cc ) );
1332 DecoderProcess( p_owner->cc.pp_decoder[i], p_cc );
1336 vlc_mutex_unlock( &p_owner->lock );
1339 block_Release( p_cc );
1342 static void DecoderPlayVideo( decoder_t *p_dec, picture_t *p_picture,
1343 int *pi_played_sum, int *pi_lost_sum )
1345 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1346 vout_thread_t *p_vout = p_owner->p_vout;
1347 bool b_first_buffered;
1349 if( p_picture->date <= VLC_TS_INVALID )
1351 msg_Warn( p_vout, "non-dated video buffer received" );
1353 vout_ReleasePicture( p_vout, p_picture );
1358 vlc_mutex_lock( &p_owner->lock );
1360 if( ( p_owner->b_buffering && !p_owner->buffer.b_first ) || p_owner->buffer.p_picture )
1362 p_picture->p_next = NULL;
1364 *p_owner->buffer.pp_picture_next = p_picture;
1365 p_owner->buffer.pp_picture_next = &p_picture->p_next;
1367 p_owner->buffer.i_count++;
1368 if( p_owner->buffer.i_count > DECODER_MAX_BUFFERING_COUNT ||
1369 p_picture->date - p_owner->buffer.p_picture->date > DECODER_MAX_BUFFERING_VIDEO_DURATION )
1371 p_owner->buffer.b_full = true;
1372 vlc_cond_signal( &p_owner->wait_acknowledge );
1375 b_first_buffered = p_owner->buffer.p_picture != NULL;
1377 for( ;; b_first_buffered = false )
1379 bool b_has_more = false;
1383 DecoderWaitUnblock( p_dec, &b_reject );
1385 if( p_owner->b_buffering && !p_owner->buffer.b_first )
1387 vlc_mutex_unlock( &p_owner->lock );
1390 bool b_buffering_first = p_owner->b_buffering;
1393 if( p_owner->buffer.p_picture )
1395 p_picture = p_owner->buffer.p_picture;
1397 p_owner->buffer.p_picture = p_picture->p_next;
1398 p_owner->buffer.i_count--;
1400 b_has_more = p_owner->buffer.p_picture != NULL;
1402 p_owner->buffer.pp_picture_next = &p_owner->buffer.p_picture;
1406 if( b_buffering_first )
1408 assert( p_owner->buffer.b_first );
1409 assert( !p_owner->buffer.i_count );
1410 msg_Dbg( p_dec, "Received first picture" );
1411 p_owner->buffer.b_first = false;
1412 p_picture->b_force = true;
1415 const bool b_dated = p_picture->date > VLC_TS_INVALID;
1416 int i_rate = INPUT_RATE_DEFAULT;
1417 DecoderFixTs( p_dec, &p_picture->date, NULL, NULL,
1418 &i_rate, DECODER_BOGUS_VIDEO_DELAY, false );
1420 vlc_mutex_unlock( &p_owner->lock );
1423 if( !p_picture->b_force && p_picture->date <= VLC_TS_INVALID ) // FIXME --VLC_TS_INVALID verify video_output/*
1428 if( i_rate != p_owner->i_last_rate || b_first_buffered )
1430 /* Be sure to not display old picture after our own */
1431 vout_Flush( p_vout, p_picture->date );
1432 p_owner->i_last_rate = i_rate;
1434 vout_PutPicture( p_vout, p_picture );
1439 msg_Warn( p_vout, "early picture skipped" );
1441 msg_Warn( p_vout, "non-dated video buffer received" );
1444 vout_ReleasePicture( p_vout, p_picture );
1448 vout_GetResetStatistic( p_vout, &i_tmp_display, &i_tmp_lost );
1450 *pi_played_sum += i_tmp_display;
1451 *pi_lost_sum += i_tmp_lost;
1453 if( !b_has_more || b_buffering_first )
1456 vlc_mutex_lock( &p_owner->lock );
1457 if( !p_owner->buffer.p_picture )
1459 vlc_mutex_unlock( &p_owner->lock );
1465 static void DecoderDecodeVideo( decoder_t *p_dec, block_t *p_block )
1467 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1468 input_thread_t *p_input = p_owner->p_input;
1472 int i_displayed = 0;
1474 while( (p_pic = p_dec->pf_decode_video( p_dec, &p_block )) )
1476 vout_thread_t *p_vout = p_owner->p_vout;
1479 /* It prevent freezing VLC in case of broken decoder */
1480 vout_ReleasePicture( p_vout, p_pic );
1482 block_Release( p_block );
1488 if( p_owner->i_preroll_end > VLC_TS_INVALID && p_pic->date < p_owner->i_preroll_end )
1490 vout_ReleasePicture( p_vout, p_pic );
1494 if( p_owner->i_preroll_end > VLC_TS_INVALID )
1496 msg_Dbg( p_dec, "End of video preroll" );
1498 vout_Flush( p_vout, VLC_TS_INVALID+1 );
1500 p_owner->i_preroll_end = VLC_TS_INVALID;
1503 if( p_dec->pf_get_cc &&
1504 ( !p_owner->p_packetizer || !p_owner->p_packetizer->pf_get_cc ) )
1505 DecoderGetCc( p_dec, p_dec );
1507 DecoderPlayVideo( p_dec, p_pic, &i_displayed, &i_lost );
1509 if( i_decoded > 0 || i_lost > 0 || i_displayed > 0 )
1511 vlc_mutex_lock( &p_input->p->counters.counters_lock );
1513 stats_UpdateInteger( p_dec, p_input->p->counters.p_decoded_video,
1515 stats_UpdateInteger( p_dec, p_input->p->counters.p_lost_pictures,
1518 stats_UpdateInteger( p_dec, p_input->p->counters.p_displayed_pictures,
1521 vlc_mutex_unlock( &p_input->p->counters.counters_lock );
1525 static void DecoderPlaySpu( decoder_t *p_dec, subpicture_t *p_subpic,
1528 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1529 vout_thread_t *p_vout = p_owner->p_spu_vout;
1532 if( p_subpic->i_start <= VLC_TS_INVALID && !b_telx )
1534 msg_Warn( p_dec, "non-dated spu buffer received" );
1535 subpicture_Delete( p_subpic );
1540 vlc_mutex_lock( &p_owner->lock );
1542 if( p_owner->b_buffering || p_owner->buffer.p_subpic )
1544 p_subpic->p_next = NULL;
1546 *p_owner->buffer.pp_subpic_next = p_subpic;
1547 p_owner->buffer.pp_subpic_next = &p_subpic->p_next;
1549 p_owner->buffer.i_count++;
1550 /* XXX it is important to be full after the first one */
1551 if( p_owner->buffer.i_count > 0 )
1553 p_owner->buffer.b_full = true;
1554 vlc_cond_signal( &p_owner->wait_acknowledge );
1560 bool b_has_more = false;
1562 DecoderWaitUnblock( p_dec, &b_reject );
1564 if( p_owner->b_buffering )
1566 vlc_mutex_unlock( &p_owner->lock );
1571 if( p_owner->buffer.p_subpic )
1573 p_subpic = p_owner->buffer.p_subpic;
1575 p_owner->buffer.p_subpic = p_subpic->p_next;
1576 p_owner->buffer.i_count--;
1578 b_has_more = p_owner->buffer.p_subpic != NULL;
1580 p_owner->buffer.pp_subpic_next = &p_owner->buffer.p_subpic;
1584 DecoderFixTs( p_dec, &p_subpic->i_start, &p_subpic->i_stop, NULL,
1585 NULL, INT64_MAX, b_telx );
1587 vlc_mutex_unlock( &p_owner->lock );
1589 if( p_subpic->i_start <= VLC_TS_INVALID )
1592 DecoderWaitDate( p_dec, &b_reject,
1593 p_subpic->i_start - SPU_MAX_PREPARE_TIME );
1596 vout_PutSubpicture( p_vout, p_subpic );
1598 subpicture_Delete( p_subpic );
1602 vlc_mutex_lock( &p_owner->lock );
1603 if( !p_owner->buffer.p_subpic )
1605 vlc_mutex_unlock( &p_owner->lock );
1611 static void DecoderPlaySout( decoder_t *p_dec, block_t *p_sout_block,
1614 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1616 assert( p_owner->p_clock );
1617 assert( !p_sout_block->p_next );
1619 vlc_mutex_lock( &p_owner->lock );
1621 if( p_owner->b_buffering || p_owner->buffer.p_block )
1623 block_ChainLastAppend( &p_owner->buffer.pp_block_next, p_sout_block );
1625 p_owner->buffer.i_count++;
1626 /* XXX it is important to be full after the first one */
1627 if( p_owner->buffer.i_count > 0 )
1629 p_owner->buffer.b_full = true;
1630 vlc_cond_signal( &p_owner->wait_acknowledge );
1636 bool b_has_more = false;
1638 DecoderWaitUnblock( p_dec, &b_reject );
1640 if( p_owner->b_buffering )
1642 vlc_mutex_unlock( &p_owner->lock );
1647 if( p_owner->buffer.p_block )
1649 p_sout_block = p_owner->buffer.p_block;
1651 p_owner->buffer.p_block = p_sout_block->p_next;
1652 p_owner->buffer.i_count--;
1654 b_has_more = p_owner->buffer.p_block != NULL;
1656 p_owner->buffer.pp_block_next = &p_owner->buffer.p_block;
1658 p_sout_block->p_next = NULL;
1660 DecoderFixTs( p_dec, &p_sout_block->i_dts, &p_sout_block->i_pts,
1661 &p_sout_block->i_length,
1662 &p_sout_block->i_rate, INT64_MAX, b_telx );
1664 vlc_mutex_unlock( &p_owner->lock );
1667 sout_InputSendBuffer( p_owner->p_sout_input, p_sout_block ); // FIXME --VLC_TS_INVALID inspect stream_output/*
1669 block_Release( p_sout_block );
1673 vlc_mutex_lock( &p_owner->lock );
1674 if( !p_owner->buffer.p_block )
1676 vlc_mutex_unlock( &p_owner->lock );
1683 static void DecoderFlushBuffering( decoder_t *p_dec )
1685 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1687 vlc_assert_locked( &p_owner->lock );
1689 while( p_owner->buffer.p_picture )
1691 picture_t *p_picture = p_owner->buffer.p_picture;
1693 p_owner->buffer.p_picture = p_picture->p_next;
1694 p_owner->buffer.i_count--;
1696 if( p_owner->p_vout )
1698 vout_ReleasePicture( p_owner->p_vout, p_picture );
1701 if( !p_owner->buffer.p_picture )
1702 p_owner->buffer.pp_picture_next = &p_owner->buffer.p_picture;
1704 while( p_owner->buffer.p_audio )
1706 aout_buffer_t *p_audio = p_owner->buffer.p_audio;
1708 p_owner->buffer.p_audio = p_audio->p_next;
1709 p_owner->buffer.i_count--;
1711 aout_BufferFree( p_audio );
1713 if( !p_owner->buffer.p_audio )
1714 p_owner->buffer.pp_audio_next = &p_owner->buffer.p_audio;
1716 while( p_owner->buffer.p_subpic )
1718 subpicture_t *p_subpic = p_owner->buffer.p_subpic;
1720 p_owner->buffer.p_subpic = p_subpic->p_next;
1721 p_owner->buffer.i_count--;
1723 subpicture_Delete( p_subpic );
1725 if( !p_owner->buffer.p_subpic )
1726 p_owner->buffer.pp_subpic_next = &p_owner->buffer.p_subpic;
1728 if( p_owner->buffer.p_block )
1730 block_ChainRelease( p_owner->buffer.p_block );
1732 p_owner->buffer.i_count = 0;
1733 p_owner->buffer.p_block = NULL;
1734 p_owner->buffer.pp_block_next = &p_owner->buffer.p_block;
1738 /* This function process a block for sout
1740 static void DecoderProcessSout( decoder_t *p_dec, block_t *p_block )
1742 decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
1743 const bool b_telx = p_dec->fmt_in.i_codec == VLC_CODEC_TELETEXT;
1744 block_t *p_sout_block;
1746 while( ( p_sout_block =
1747 p_dec->pf_packetize( p_dec, p_block ? &p_block : NULL ) ) )
1749 if( !p_owner->p_sout_input )
1751 es_format_Copy( &p_owner->sout, &p_dec->fmt_out );
1753 p_owner->sout.i_group = p_dec->fmt_in.i_group;
1754 p_owner->sout.i_id = p_dec->fmt_in.i_id;
1755 if( p_dec->fmt_in.psz_language )
1757 free( p_owner->sout.psz_language );
1758 p_owner->sout.psz_language =
1759 strdup( p_dec->fmt_in.psz_language );
1762 p_owner->p_sout_input =
1763 sout_InputNew( p_owner->p_sout,
1766 if( p_owner->p_sout_input == NULL )
1768 msg_Err( p_dec, "cannot create packetizer output (%4.4s)",
1769 (char *)&p_owner->sout.i_codec );
1770 p_dec->b_error = true;
1772 while( p_sout_block )
1774 block_t *p_next = p_sout_block->p_next;
1775 block_Release( p_sout_block );
1776 p_sout_block = p_next;
1782 while( p_sout_block )
1784 block_t *p_next = p_sout_block->p_next;
1786 p_sout_block->p_next = NULL;
1788 DecoderPlaySout( p_dec, p_sout_block, b_telx );
1790 p_sout_block = p_next;
1795 /* This function process a video block
1797 static void DecoderProcessVideo( decoder_t *p_dec, block_t *p_block, bool b_flush )
1799 decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
1801 if( p_owner->p_packetizer )
1803 block_t *p_packetized_block;
1804 decoder_t *p_packetizer = p_owner->p_packetizer;
1806 while( (p_packetized_block =
1807 p_packetizer->pf_packetize( p_packetizer, p_block ? &p_block : NULL )) )
1809 if( p_packetizer->fmt_out.i_extra && !p_dec->fmt_in.i_extra )
1811 es_format_Clean( &p_dec->fmt_in );
1812 es_format_Copy( &p_dec->fmt_in, &p_packetizer->fmt_out );
1814 if( p_packetizer->pf_get_cc )
1815 DecoderGetCc( p_dec, p_packetizer );
1817 while( p_packetized_block )
1819 block_t *p_next = p_packetized_block->p_next;
1820 p_packetized_block->p_next = NULL;
1822 DecoderDecodeVideo( p_dec, p_packetized_block );
1824 p_packetized_block = p_next;
1827 /* The packetizer does not output a block that tell the decoder to flush
1831 block_t *p_null = DecoderBlockFlushNew();
1833 DecoderDecodeVideo( p_dec, p_null );
1838 DecoderDecodeVideo( p_dec, p_block );
1841 if( b_flush && p_owner->p_vout )
1842 vout_Flush( p_owner->p_vout, VLC_TS_INVALID+1 );
1845 /* This function process a audio block
1847 static void DecoderProcessAudio( decoder_t *p_dec, block_t *p_block, bool b_flush )
1849 decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
1851 if( p_owner->p_packetizer )
1853 block_t *p_packetized_block;
1854 decoder_t *p_packetizer = p_owner->p_packetizer;
1856 while( (p_packetized_block =
1857 p_packetizer->pf_packetize( p_packetizer, p_block ? &p_block : NULL )) )
1859 if( p_packetizer->fmt_out.i_extra && !p_dec->fmt_in.i_extra )
1861 es_format_Clean( &p_dec->fmt_in );
1862 es_format_Copy( &p_dec->fmt_in, &p_packetizer->fmt_out );
1865 while( p_packetized_block )
1867 block_t *p_next = p_packetized_block->p_next;
1868 p_packetized_block->p_next = NULL;
1870 DecoderDecodeAudio( p_dec, p_packetized_block );
1872 p_packetized_block = p_next;
1875 /* The packetizer does not output a block that tell the decoder to flush
1879 block_t *p_null = DecoderBlockFlushNew();
1881 DecoderDecodeAudio( p_dec, p_null );
1886 DecoderDecodeAudio( p_dec, p_block );
1889 if( b_flush && p_owner->p_aout && p_owner->p_aout_input )
1890 aout_DecFlush( p_owner->p_aout, p_owner->p_aout_input );
1893 /* This function process a subtitle block
1895 static void DecoderProcessSpu( decoder_t *p_dec, block_t *p_block, bool b_flush )
1897 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1898 const bool b_telx = p_dec->fmt_in.i_codec == VLC_CODEC_TELETEXT;
1900 input_thread_t *p_input = p_owner->p_input;
1901 vout_thread_t *p_vout;
1902 subpicture_t *p_spu;
1904 while( (p_spu = p_dec->pf_decode_sub( p_dec, p_block ? &p_block : NULL ) ) )
1906 vlc_mutex_lock( &p_input->p->counters.counters_lock );
1907 stats_UpdateInteger( p_dec, p_input->p->counters.p_decoded_sub, 1, NULL );
1908 vlc_mutex_unlock( &p_input->p->counters.counters_lock );
1910 p_vout = input_resource_HoldVout( p_input->p->p_resource );
1911 if( p_vout && p_owner->p_spu_vout == p_vout )
1913 /* Preroll does not work very well with subtitle */
1914 if( p_spu->i_start > VLC_TS_INVALID &&
1915 p_spu->i_start < p_owner->i_preroll_end &&
1916 ( p_spu->i_stop <= VLC_TS_INVALID || p_spu->i_stop < p_owner->i_preroll_end ) )
1918 subpicture_Delete( p_spu );
1922 DecoderPlaySpu( p_dec, p_spu, b_telx );
1927 subpicture_Delete( p_spu );
1930 vlc_object_release( p_vout );
1933 if( b_flush && p_owner->p_spu_vout )
1935 p_vout = input_resource_HoldVout( p_input->p->p_resource );
1937 if( p_vout && p_owner->p_spu_vout == p_vout )
1938 vout_FlushSubpictureChannel( p_vout, p_owner->i_spu_channel );
1941 vlc_object_release( p_vout );
1946 static void DecoderProcessOnFlush( decoder_t *p_dec )
1948 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1950 vlc_mutex_lock( &p_owner->lock );
1951 DecoderFlushBuffering( p_dec );
1953 if( p_owner->b_flushing )
1955 p_owner->b_flushing = false;
1956 vlc_cond_signal( &p_owner->wait_acknowledge );
1958 vlc_mutex_unlock( &p_owner->lock );
1964 * \param p_dec the decoder object
1965 * \param p_block the block to decode
1966 * \return VLC_SUCCESS or an error code
1968 static void DecoderProcess( decoder_t *p_dec, block_t *p_block )
1970 decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
1971 const bool b_flush_request = p_block && (p_block->i_flags & BLOCK_FLAG_CORE_FLUSH);
1973 if( p_block && p_block->i_buffer <= 0 )
1975 assert( !b_flush_request );
1976 block_Release( p_block );
1981 if( p_owner->b_packetizer )
1984 p_block->i_flags &= ~BLOCK_FLAG_CORE_PRIVATE_MASK;
1986 DecoderProcessSout( p_dec, p_block );
1991 bool b_flush = false;
1995 const bool b_flushing = p_owner->i_preroll_end == INT64_MAX;
1996 DecoderUpdatePreroll( &p_owner->i_preroll_end, p_block );
1998 b_flush = !b_flushing && b_flush_request;
2000 p_block->i_flags &= ~BLOCK_FLAG_CORE_PRIVATE_MASK;
2003 if( p_dec->fmt_out.i_cat == AUDIO_ES )
2005 DecoderProcessAudio( p_dec, p_block, b_flush );
2007 else if( p_dec->fmt_out.i_cat == VIDEO_ES )
2009 DecoderProcessVideo( p_dec, p_block, b_flush );
2011 else if( p_dec->fmt_out.i_cat == SPU_ES )
2013 DecoderProcessSpu( p_dec, p_block, b_flush );
2017 msg_Err( p_dec, "unknown ES format" );
2018 p_dec->b_error = true;
2023 if( b_flush_request )
2024 DecoderProcessOnFlush( p_dec );
2027 static void DecoderError( decoder_t *p_dec, block_t *p_block )
2029 const bool b_flush_request = p_block && (p_block->i_flags & BLOCK_FLAG_CORE_FLUSH);
2033 block_Release( p_block );
2035 if( b_flush_request )
2036 DecoderProcessOnFlush( p_dec );
2041 * Destroys a decoder object
2043 * \param p_dec the decoder object
2046 static void DeleteDecoder( decoder_t * p_dec )
2048 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2050 msg_Dbg( p_dec, "killing decoder fourcc `%4.4s', %u PES in FIFO",
2051 (char*)&p_dec->fmt_in.i_codec,
2052 (unsigned)block_FifoCount( p_owner->p_fifo ) );
2054 /* Free all packets still in the decoder fifo. */
2055 block_FifoEmpty( p_owner->p_fifo );
2056 block_FifoRelease( p_owner->p_fifo );
2059 vlc_mutex_lock( &p_owner->lock );
2060 DecoderFlushBuffering( p_dec );
2061 vlc_mutex_unlock( &p_owner->lock );
2064 if( p_owner->p_aout_input )
2065 aout_DecDelete( p_owner->p_aout, p_owner->p_aout_input );
2066 if( p_owner->p_aout )
2068 input_resource_RequestAout( p_owner->p_input->p->p_resource,
2070 input_SendEventAout( p_owner->p_input );
2071 p_owner->p_aout = NULL;
2073 if( p_owner->p_vout )
2075 /* Hack to make sure all the the pictures are freed by the decoder
2076 * and that the vout is not paused anymore */
2077 vout_Reset( p_owner->p_vout );
2080 input_resource_RequestVout( p_owner->p_input->p->p_resource, p_owner->p_vout, NULL, 0, true );
2081 input_SendEventVout( p_owner->p_input );
2085 if( p_owner->p_sout_input )
2087 sout_InputDelete( p_owner->p_sout_input );
2088 es_format_Clean( &p_owner->sout );
2092 if( p_dec->fmt_out.i_cat == SPU_ES )
2094 vout_thread_t *p_vout;
2096 p_vout = input_resource_HoldVout( p_owner->p_input->p->p_resource );
2099 if( p_owner->p_spu_vout == p_vout )
2100 vout_FlushSubpictureChannel( p_vout, p_owner->i_spu_channel );
2101 vlc_object_release( p_vout );
2105 es_format_Clean( &p_dec->fmt_in );
2106 es_format_Clean( &p_dec->fmt_out );
2107 if( p_dec->p_description )
2108 vlc_meta_Delete( p_dec->p_description );
2109 es_format_Clean( &p_owner->fmt_description );
2110 if( p_owner->p_description )
2111 vlc_meta_Delete( p_owner->p_description );
2113 if( p_owner->p_packetizer )
2115 module_unneed( p_owner->p_packetizer,
2116 p_owner->p_packetizer->p_module );
2117 es_format_Clean( &p_owner->p_packetizer->fmt_in );
2118 es_format_Clean( &p_owner->p_packetizer->fmt_out );
2119 if( p_owner->p_packetizer->p_description )
2120 vlc_meta_Delete( p_owner->p_packetizer->p_description );
2121 vlc_object_release( p_owner->p_packetizer );
2124 vlc_cond_destroy( &p_owner->wait_acknowledge );
2125 vlc_cond_destroy( &p_owner->wait_request );
2126 vlc_mutex_destroy( &p_owner->lock );
2128 vlc_object_release( p_dec );
2133 /*****************************************************************************
2134 * Buffers allocation callbacks for the decoders
2135 *****************************************************************************/
2136 static void DecoderUpdateFormatLocked( decoder_t *p_dec )
2138 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2140 vlc_assert_locked( &p_owner->lock );
2142 p_owner->b_fmt_description = true;
2144 /* Copy es_format */
2145 es_format_Clean( &p_owner->fmt_description );
2146 es_format_Copy( &p_owner->fmt_description, &p_dec->fmt_out );
2148 /* Move p_description */
2149 if( p_owner->p_description && p_dec->p_description )
2150 vlc_meta_Delete( p_owner->p_description );
2151 p_owner->p_description = p_dec->p_description;
2152 p_dec->p_description = NULL;
2154 static vout_thread_t *aout_request_vout( void *p_private,
2155 vout_thread_t *p_vout, video_format_t *p_fmt, bool b_recyle )
2157 decoder_t *p_dec = p_private;
2158 input_thread_t *p_input = p_dec->p_owner->p_input;
2160 p_vout = input_resource_RequestVout( p_input->p->p_resource, p_vout, p_fmt, 1, b_recyle );
2161 input_SendEventVout( p_input );
2166 static aout_buffer_t *aout_new_buffer( decoder_t *p_dec, int i_samples )
2168 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2169 aout_buffer_t *p_buffer;
2171 if( p_owner->p_aout_input != NULL &&
2172 ( p_dec->fmt_out.audio.i_rate != p_owner->audio.i_rate ||
2173 p_dec->fmt_out.audio.i_original_channels !=
2174 p_owner->audio.i_original_channels ||
2175 p_dec->fmt_out.audio.i_bytes_per_frame !=
2176 p_owner->audio.i_bytes_per_frame ) )
2178 aout_input_t *p_aout_input = p_owner->p_aout_input;
2180 /* Parameters changed, restart the aout */
2181 vlc_mutex_lock( &p_owner->lock );
2183 DecoderFlushBuffering( p_dec );
2185 p_owner->p_aout_input = NULL;
2186 aout_DecDelete( p_owner->p_aout, p_aout_input );
2188 vlc_mutex_unlock( &p_owner->lock );
2191 if( p_owner->p_aout_input == NULL )
2193 const int i_force_dolby = var_InheritInteger( p_dec, "force-dolby-surround" );
2194 audio_sample_format_t format;
2195 aout_input_t *p_aout_input;
2196 aout_instance_t *p_aout;
2197 aout_request_vout_t request_vout;
2199 p_dec->fmt_out.audio.i_format = p_dec->fmt_out.i_codec;
2200 p_owner->audio = p_dec->fmt_out.audio;
2202 memcpy( &format, &p_owner->audio, sizeof( audio_sample_format_t ) );
2203 if( i_force_dolby &&
2204 (format.i_original_channels&AOUT_CHAN_PHYSMASK) ==
2205 (AOUT_CHAN_LEFT|AOUT_CHAN_RIGHT) )
2207 if( i_force_dolby == 1 )
2209 format.i_original_channels = format.i_original_channels |
2210 AOUT_CHAN_DOLBYSTEREO;
2212 else /* i_force_dolby == 2 */
2214 format.i_original_channels = format.i_original_channels &
2215 ~AOUT_CHAN_DOLBYSTEREO;
2219 request_vout.pf_request_vout = aout_request_vout;
2220 request_vout.p_private = p_dec;
2222 p_aout = p_owner->p_aout;
2224 p_aout = input_resource_RequestAout( p_owner->p_input->p->p_resource, NULL );
2225 p_aout_input = aout_DecNew( p_dec, &p_aout,
2226 &format, &p_dec->fmt_out.audio_replay_gain, &request_vout );
2228 vlc_mutex_lock( &p_owner->lock );
2230 p_owner->p_aout = p_aout;
2231 p_owner->p_aout_input = p_aout_input;
2232 DecoderUpdateFormatLocked( p_dec );
2234 vlc_mutex_unlock( &p_owner->lock );
2236 input_SendEventAout( p_owner->p_input );
2238 if( p_owner->p_aout_input == NULL )
2240 msg_Err( p_dec, "failed to create audio output" );
2241 p_dec->b_error = true;
2244 p_dec->fmt_out.audio.i_bytes_per_frame =
2245 p_owner->audio.i_bytes_per_frame;
2248 p_buffer = aout_DecNewBuffer( p_owner->p_aout_input, i_samples );
2253 static void aout_del_buffer( decoder_t *p_dec, aout_buffer_t *p_buffer )
2255 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2257 aout_DecDeleteBuffer( p_owner->p_aout,
2258 p_owner->p_aout_input, p_buffer );
2261 static picture_t *vout_new_buffer( decoder_t *p_dec )
2263 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2265 if( p_owner->p_vout == NULL ||
2266 p_dec->fmt_out.video.i_width != p_owner->video.i_width ||
2267 p_dec->fmt_out.video.i_height != p_owner->video.i_height ||
2268 p_dec->fmt_out.video.i_chroma != p_owner->video.i_chroma ||
2269 (int64_t)p_dec->fmt_out.video.i_sar_num * p_owner->video.i_sar_den !=
2270 (int64_t)p_dec->fmt_out.video.i_sar_den * p_owner->video.i_sar_num )
2272 vout_thread_t *p_vout;
2274 if( !p_dec->fmt_out.video.i_width ||
2275 !p_dec->fmt_out.video.i_height )
2277 /* Can't create a new vout without display size */
2281 if( !p_dec->fmt_out.video.i_visible_width ||
2282 !p_dec->fmt_out.video.i_visible_height )
2284 if( p_dec->fmt_in.video.i_visible_width &&
2285 p_dec->fmt_in.video.i_visible_height )
2287 p_dec->fmt_out.video.i_visible_width =
2288 p_dec->fmt_in.video.i_visible_width;
2289 p_dec->fmt_out.video.i_visible_height =
2290 p_dec->fmt_in.video.i_visible_height;
2294 p_dec->fmt_out.video.i_visible_width =
2295 p_dec->fmt_out.video.i_width;
2296 p_dec->fmt_out.video.i_visible_height =
2297 p_dec->fmt_out.video.i_height;
2301 if( p_dec->fmt_out.video.i_visible_height == 1088 &&
2302 var_CreateGetBool( p_dec, "hdtv-fix" ) )
2304 p_dec->fmt_out.video.i_visible_height = 1080;
2305 if( !(p_dec->fmt_out.video.i_sar_num % 136))
2307 p_dec->fmt_out.video.i_sar_num *= 135;
2308 p_dec->fmt_out.video.i_sar_den *= 136;
2310 msg_Warn( p_dec, "Fixing broken HDTV stream (display_height=1088)");
2313 if( !p_dec->fmt_out.video.i_sar_num ||
2314 !p_dec->fmt_out.video.i_sar_den )
2316 p_dec->fmt_out.video.i_sar_num = 1;
2317 p_dec->fmt_out.video.i_sar_den = 1;
2320 vlc_ureduce( &p_dec->fmt_out.video.i_sar_num,
2321 &p_dec->fmt_out.video.i_sar_den,
2322 p_dec->fmt_out.video.i_sar_num,
2323 p_dec->fmt_out.video.i_sar_den, 50000 );
2325 p_dec->fmt_out.video.i_chroma = p_dec->fmt_out.i_codec;
2326 p_owner->video = p_dec->fmt_out.video;
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,
2354 p_vout, &p_dec->fmt_out.video,
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 );