1 /*****************************************************************************
2 * decoder.c: Functions for the management of decoders
3 *****************************************************************************
4 * Copyright (C) 1999-2004 the VideoLAN team
7 * Authors: Christophe Massiot <massiot@via.ecp.fr>
8 * Gildas Bazin <gbazin@videolan.org>
9 * Laurent Aimar <fenrir@via.ecp.fr>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
24 *****************************************************************************/
26 /*****************************************************************************
28 *****************************************************************************/
34 #include <vlc_common.h>
36 #include <vlc_block.h>
40 #include <vlc_codec.h>
43 #include <vlc_dialog.h>
44 #include <vlc_modules.h>
46 #include "audio_output/aout_internal.h"
47 #include "stream_output/stream_output.h"
48 #include "input_internal.h"
54 #include "../video_output/vout_control.h"
56 static decoder_t *CreateDecoder( vlc_object_t *, input_thread_t *,
57 es_format_t *, bool, input_resource_t *,
58 sout_instance_t *p_sout );
59 static void DeleteDecoder( decoder_t * );
61 static void *DecoderThread( vlc_object_t * );
62 static void DecoderProcess( decoder_t *, block_t * );
63 static void DecoderError( decoder_t *p_dec, block_t *p_block );
64 static void DecoderOutputChangePause( decoder_t *, bool b_paused, mtime_t i_date );
65 static void DecoderFlush( decoder_t * );
66 static void DecoderSignalBuffering( decoder_t *, bool );
67 static void DecoderFlushBuffering( decoder_t * );
69 static void DecoderUnsupportedCodec( decoder_t *, vlc_fourcc_t );
71 /* Buffers allocation callbacks for the decoders */
72 static aout_buffer_t *aout_new_buffer( decoder_t *, int );
73 static void aout_del_buffer( decoder_t *, aout_buffer_t * );
75 static picture_t *vout_new_buffer( decoder_t * );
76 static void vout_del_buffer( decoder_t *, picture_t * );
77 static void vout_link_picture( decoder_t *, picture_t * );
78 static void vout_unlink_picture( decoder_t *, picture_t * );
80 static subpicture_t *spu_new_buffer( decoder_t *, const subpicture_updater_t * );
81 static void spu_del_buffer( decoder_t *, subpicture_t * );
83 struct decoder_owner_sys_t
85 int64_t i_preroll_end;
87 input_thread_t *p_input;
88 input_resource_t*p_resource;
89 input_clock_t *p_clock;
92 vout_thread_t *p_spu_vout;
96 sout_instance_t *p_sout;
97 sout_packetizer_input_t *p_sout_input;
99 /* Some decoders require already packetized data (ie. not truncated) */
100 decoder_t *p_packetizer;
103 /* Current format in use by the output */
104 video_format_t video;
105 audio_format_t audio;
109 bool b_fmt_description;
110 es_format_t fmt_description;
111 vlc_meta_t *p_description;
114 block_fifo_t *p_fifo;
116 /* Lock for communication with decoder thread */
118 vlc_cond_t wait_request;
119 vlc_cond_t wait_acknowledge;
121 /* -- These variables need locking on write(only) -- */
122 aout_instance_t *p_aout;
123 aout_input_t *p_aout_input;
125 vout_thread_t *p_vout;
127 /* -- Theses variables need locking on read *and* write -- */
145 picture_t *p_picture;
146 picture_t **pp_picture_next;
148 subpicture_t *p_subpic;
149 subpicture_t **pp_subpic_next;
151 aout_buffer_t *p_audio;
152 aout_buffer_t **pp_audio_next;
155 block_t **pp_block_next;
166 decoder_t *pp_decoder[4];
173 #define DECODER_MAX_BUFFERING_COUNT (4)
174 #define DECODER_MAX_BUFFERING_AUDIO_DURATION (AOUT_MAX_PREPARE_TIME)
175 #define DECODER_MAX_BUFFERING_VIDEO_DURATION (1*CLOCK_FREQ)
177 /* Pictures which are DECODER_BOGUS_VIDEO_DELAY or more in advance probably have
178 * a bogus PTS and won't be displayed */
179 #define DECODER_BOGUS_VIDEO_DELAY ((mtime_t)(DEFAULT_PTS_DELAY * 30))
182 #define DECODER_SPU_VOUT_WAIT_DURATION ((int)(0.200*CLOCK_FREQ))
185 /*****************************************************************************
187 *****************************************************************************/
188 picture_t *decoder_NewPicture( decoder_t *p_decoder )
190 picture_t *p_picture = p_decoder->pf_vout_buffer_new( p_decoder );
192 msg_Warn( p_decoder, "can't get output picture" );
195 void decoder_DeletePicture( decoder_t *p_decoder, picture_t *p_picture )
197 p_decoder->pf_vout_buffer_del( p_decoder, p_picture );
199 void decoder_LinkPicture( decoder_t *p_decoder, picture_t *p_picture )
201 p_decoder->pf_picture_link( p_decoder, p_picture );
203 void decoder_UnlinkPicture( decoder_t *p_decoder, picture_t *p_picture )
205 p_decoder->pf_picture_unlink( p_decoder, p_picture );
208 aout_buffer_t *decoder_NewAudioBuffer( decoder_t *p_decoder, int i_size )
210 if( !p_decoder->pf_aout_buffer_new )
212 return p_decoder->pf_aout_buffer_new( p_decoder, i_size );
214 void decoder_DeleteAudioBuffer( decoder_t *p_decoder, aout_buffer_t *p_buffer )
216 p_decoder->pf_aout_buffer_del( p_decoder, p_buffer );
219 subpicture_t *decoder_NewSubpicture( decoder_t *p_decoder,
220 const subpicture_updater_t *p_dyn )
222 subpicture_t *p_subpicture = p_decoder->pf_spu_buffer_new( p_decoder, p_dyn );
224 msg_Warn( p_decoder, "can't get output subpicture" );
228 void decoder_DeleteSubpicture( decoder_t *p_decoder, subpicture_t *p_subpicture )
230 p_decoder->pf_spu_buffer_del( p_decoder, p_subpicture );
233 /* decoder_GetInputAttachments:
235 int decoder_GetInputAttachments( decoder_t *p_dec,
236 input_attachment_t ***ppp_attachment,
239 if( !p_dec->pf_get_attachments )
242 return p_dec->pf_get_attachments( p_dec, ppp_attachment, pi_attachment );
244 /* decoder_GetDisplayDate:
246 mtime_t decoder_GetDisplayDate( decoder_t *p_dec, mtime_t i_ts )
248 if( !p_dec->pf_get_display_date )
249 return VLC_TS_INVALID;
251 return p_dec->pf_get_display_date( p_dec, i_ts );
253 /* decoder_GetDisplayRate:
255 int decoder_GetDisplayRate( decoder_t *p_dec )
257 if( !p_dec->pf_get_display_rate )
258 return INPUT_RATE_DEFAULT;
260 return p_dec->pf_get_display_rate( p_dec );
263 /* TODO: pass p_sout through p_resource? -- Courmisch */
264 static decoder_t *decoder_New( vlc_object_t *p_parent, input_thread_t *p_input,
265 es_format_t *fmt, input_clock_t *p_clock,
266 input_resource_t *p_resource,
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_parent, p_input, fmt,
275 p_sout != NULL, p_resource, p_sout );
278 msg_Err( p_parent, "could not create %s", psz_type );
279 dialog_Fatal( p_parent, _("Streaming / Transcoding failed"),
280 _("VLC could not open the %s module."),
281 vlc_gettext( psz_type ) );
285 if( !p_dec->p_module )
287 DecoderUnsupportedCodec( p_dec, fmt->i_codec );
289 DeleteDecoder( 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, 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 );
315 * Spawns a new decoder thread from the input thread
317 * \param p_input the input thread
318 * \param p_es the es descriptor
319 * \return the spawned decoder object
321 decoder_t *input_DecoderNew( input_thread_t *p_input,
322 es_format_t *fmt, input_clock_t *p_clock,
323 sout_instance_t *p_sout )
325 return decoder_New( VLC_OBJECT(p_input), p_input, fmt, p_clock,
326 p_input->p->p_resource, p_sout );
330 * Spawn a decoder thread outside of the input thread.
332 decoder_t *input_DecoderCreate( vlc_object_t *p_parent, es_format_t *fmt,
333 input_resource_t *p_resource )
335 return decoder_New( p_parent, NULL, fmt, NULL, p_resource, NULL );
340 * Kills a decoder thread and waits until it's finished
342 * \param p_input the input thread
343 * \param p_es the es descriptor
346 void input_DecoderDelete( decoder_t *p_dec )
348 decoder_owner_sys_t *p_owner = p_dec->p_owner;
350 vlc_object_kill( p_dec );
352 /* Make sure we aren't paused/buffering/waiting anymore */
353 vlc_mutex_lock( &p_owner->lock );
354 const bool b_was_paused = p_owner->b_paused;
355 p_owner->b_paused = false;
356 p_owner->b_buffering = false;
357 p_owner->b_flushing = true;
358 vlc_cond_signal( &p_owner->wait_request );
359 vlc_mutex_unlock( &p_owner->lock );
361 vlc_thread_join( p_dec );
362 p_owner->b_paused = b_was_paused;
364 module_unneed( p_dec, p_dec->p_module );
367 if( p_dec->p_owner->cc.b_supported )
370 for( i = 0; i < 4; i++ )
371 input_DecoderSetCcState( p_dec, false, i );
375 DeleteDecoder( p_dec );
379 * Put a block_t in the decoder's fifo.
380 * Thread-safe w.r.t. the decoder. May be a cancellation point.
382 * \param p_dec the decoder object
383 * \param p_block the data block
385 void input_DecoderDecode( decoder_t *p_dec, block_t *p_block, bool b_do_pace )
387 decoder_owner_sys_t *p_owner = p_dec->p_owner;
391 /* The fifo is not consummed when buffering and so will
393 * There is no need to lock as b_buffering is never modify
394 * inside decoder thread. */
395 if( !p_owner->b_buffering )
396 block_FifoPace( p_owner->p_fifo, 10, SIZE_MAX );
399 else if( block_FifoSize( p_owner->p_fifo ) > 50*1024*1024 /* 50 MiB */ )
401 else if( block_FifoSize( p_owner->p_fifo ) > 400*1024*1024 /* 400 MiB, ie ~ 50mb/s for 60s */ )
404 /* FIXME: ideally we would check the time amount of data
405 * in the FIFO instead of its size. */
406 msg_Warn( p_dec, "decoder/packetizer fifo full (data not "
407 "consumed quickly enough), resetting fifo!" );
408 block_FifoEmpty( p_owner->p_fifo );
411 block_FifoPut( p_owner->p_fifo, p_block );
414 bool input_DecoderIsEmpty( decoder_t * p_dec )
416 decoder_owner_sys_t *p_owner = p_dec->p_owner;
417 assert( !p_owner->b_buffering );
419 bool b_empty = block_FifoCount( p_dec->p_owner->p_fifo ) <= 0;
422 vlc_mutex_lock( &p_owner->lock );
423 /* TODO subtitles support */
424 if( p_dec->fmt_out.i_cat == VIDEO_ES && p_owner->p_vout )
425 b_empty = vout_IsEmpty( p_owner->p_vout );
426 else if( p_dec->fmt_out.i_cat == AUDIO_ES && p_owner->p_aout )
427 b_empty = aout_InputIsEmpty( p_owner->p_aout, p_owner->p_aout_input );
428 vlc_mutex_unlock( &p_owner->lock );
433 void input_DecoderIsCcPresent( decoder_t *p_dec, bool pb_present[4] )
435 decoder_owner_sys_t *p_owner = p_dec->p_owner;
438 vlc_mutex_lock( &p_owner->lock );
439 for( i = 0; i < 4; i++ )
440 pb_present[i] = p_owner->cc.pb_present[i];
441 vlc_mutex_unlock( &p_owner->lock );
443 int input_DecoderSetCcState( decoder_t *p_dec, bool b_decode, int i_channel )
445 decoder_owner_sys_t *p_owner = p_dec->p_owner;
447 //msg_Warn( p_dec, "input_DecoderSetCcState: %d @%d", b_decode, i_channel );
449 if( i_channel < 0 || i_channel >= 4 || !p_owner->cc.pb_present[i_channel] )
454 static const vlc_fourcc_t fcc[4] = {
455 VLC_FOURCC('c', 'c', '1', ' '),
456 VLC_FOURCC('c', 'c', '2', ' '),
457 VLC_FOURCC('c', 'c', '3', ' '),
458 VLC_FOURCC('c', 'c', '4', ' '),
463 es_format_Init( &fmt, SPU_ES, fcc[i_channel] );
464 p_cc = CreateDecoder( VLC_OBJECT(p_dec), p_owner->p_input, &fmt,
465 false, p_owner->p_resource, p_owner->p_sout );
468 msg_Err( p_dec, "could not create decoder" );
469 dialog_Fatal( p_dec, _("Streaming / Transcoding failed"), "%s",
470 _("VLC could not open the decoder module.") );
473 else if( !p_cc->p_module )
475 DecoderUnsupportedCodec( p_dec, fcc[i_channel] );
476 DeleteDecoder( p_cc );
479 p_cc->p_owner->p_clock = p_owner->p_clock;
481 vlc_mutex_lock( &p_owner->lock );
482 p_owner->cc.pp_decoder[i_channel] = p_cc;
483 vlc_mutex_unlock( &p_owner->lock );
489 vlc_mutex_lock( &p_owner->lock );
490 p_cc = p_owner->cc.pp_decoder[i_channel];
491 p_owner->cc.pp_decoder[i_channel] = NULL;
492 vlc_mutex_unlock( &p_owner->lock );
496 vlc_object_kill( p_cc );
497 module_unneed( p_cc, p_cc->p_module );
498 DeleteDecoder( p_cc );
503 int input_DecoderGetCcState( decoder_t *p_dec, bool *pb_decode, int i_channel )
505 decoder_owner_sys_t *p_owner = p_dec->p_owner;
508 if( i_channel < 0 || i_channel >= 4 || !p_owner->cc.pb_present[i_channel] )
511 vlc_mutex_lock( &p_owner->lock );
512 *pb_decode = p_owner->cc.pp_decoder[i_channel] != NULL;
513 vlc_mutex_unlock( &p_owner->lock );
517 void input_DecoderChangePause( decoder_t *p_dec, bool b_paused, mtime_t i_date )
519 decoder_owner_sys_t *p_owner = p_dec->p_owner;
521 vlc_mutex_lock( &p_owner->lock );
523 assert( !p_owner->b_paused || !b_paused );
525 p_owner->b_paused = b_paused;
526 p_owner->pause.i_date = i_date;
527 p_owner->pause.i_ignore = 0;
528 vlc_cond_signal( &p_owner->wait_request );
530 DecoderOutputChangePause( p_dec, b_paused, i_date );
532 vlc_mutex_unlock( &p_owner->lock );
535 void input_DecoderChangeDelay( decoder_t *p_dec, mtime_t i_delay )
537 decoder_owner_sys_t *p_owner = p_dec->p_owner;
539 vlc_mutex_lock( &p_owner->lock );
540 p_owner->i_ts_delay = i_delay;
541 vlc_mutex_unlock( &p_owner->lock );
544 void input_DecoderStartBuffering( decoder_t *p_dec )
546 decoder_owner_sys_t *p_owner = p_dec->p_owner;
548 vlc_mutex_lock( &p_owner->lock );
550 DecoderFlush( p_dec );
552 p_owner->buffer.b_first = true;
553 p_owner->buffer.b_full = false;
554 p_owner->buffer.i_count = 0;
556 assert( !p_owner->buffer.p_picture && !p_owner->buffer.p_subpic &&
557 !p_owner->buffer.p_audio && !p_owner->buffer.p_block );
559 p_owner->buffer.p_picture = NULL;
560 p_owner->buffer.pp_picture_next = &p_owner->buffer.p_picture;
562 p_owner->buffer.p_subpic = NULL;
563 p_owner->buffer.pp_subpic_next = &p_owner->buffer.p_subpic;
565 p_owner->buffer.p_audio = NULL;
566 p_owner->buffer.pp_audio_next = &p_owner->buffer.p_audio;
568 p_owner->buffer.p_block = NULL;
569 p_owner->buffer.pp_block_next = &p_owner->buffer.p_block;
572 p_owner->b_buffering = true;
574 vlc_cond_signal( &p_owner->wait_request );
576 vlc_mutex_unlock( &p_owner->lock );
579 void input_DecoderStopBuffering( decoder_t *p_dec )
581 decoder_owner_sys_t *p_owner = p_dec->p_owner;
583 vlc_mutex_lock( &p_owner->lock );
585 p_owner->b_buffering = false;
587 vlc_cond_signal( &p_owner->wait_request );
589 vlc_mutex_unlock( &p_owner->lock );
592 void input_DecoderWaitBuffering( decoder_t *p_dec )
594 decoder_owner_sys_t *p_owner = p_dec->p_owner;
596 vlc_mutex_lock( &p_owner->lock );
598 while( vlc_object_alive( p_dec ) && p_owner->b_buffering && !p_owner->buffer.b_full )
600 block_FifoWake( p_owner->p_fifo );
601 vlc_cond_wait( &p_owner->wait_acknowledge, &p_owner->lock );
604 vlc_mutex_unlock( &p_owner->lock );
607 void input_DecoderFrameNext( decoder_t *p_dec, mtime_t *pi_duration )
609 decoder_owner_sys_t *p_owner = p_dec->p_owner;
613 vlc_mutex_lock( &p_owner->lock );
614 if( p_dec->fmt_out.i_cat == VIDEO_ES )
616 if( p_owner->b_paused && p_owner->p_vout )
618 vout_NextPicture( p_owner->p_vout, pi_duration );
619 p_owner->pause.i_ignore++;
620 vlc_cond_signal( &p_owner->wait_request );
625 /* TODO subtitle should not be flushed */
626 DecoderFlush( p_dec );
628 vlc_mutex_unlock( &p_owner->lock );
631 bool input_DecoderHasFormatChanged( decoder_t *p_dec, es_format_t *p_fmt, vlc_meta_t **pp_meta )
633 decoder_owner_sys_t *p_owner = p_dec->p_owner;
636 vlc_mutex_lock( &p_owner->lock );
637 b_changed = p_owner->b_fmt_description;
641 es_format_Copy( p_fmt, &p_owner->fmt_description );
646 if( p_owner->p_description )
648 *pp_meta = vlc_meta_New();
650 vlc_meta_Merge( *pp_meta, p_owner->p_description );
653 p_owner->b_fmt_description = false;
655 vlc_mutex_unlock( &p_owner->lock );
659 size_t input_DecoderGetFifoSize( decoder_t *p_dec )
661 decoder_owner_sys_t *p_owner = p_dec->p_owner;
663 return block_FifoSize( p_owner->p_fifo );
666 void input_DecoderGetObjects( decoder_t *p_dec,
667 vout_thread_t **pp_vout, aout_instance_t **pp_aout )
669 decoder_owner_sys_t *p_owner = p_dec->p_owner;
671 vlc_mutex_lock( &p_owner->lock );
673 *pp_vout = p_owner->p_vout ? vlc_object_hold( p_owner->p_vout ) : NULL;
675 *pp_aout = p_owner->p_aout ? vlc_object_hold( p_owner->p_aout ) : NULL;
676 vlc_mutex_unlock( &p_owner->lock );
679 /*****************************************************************************
681 *****************************************************************************/
682 static int DecoderGetInputAttachments( decoder_t *p_dec,
683 input_attachment_t ***ppp_attachment,
686 input_thread_t *p_input = p_dec->p_owner->p_input;
688 if( unlikely(p_input == NULL) )
690 return input_Control( p_input, INPUT_GET_ATTACHMENTS,
691 ppp_attachment, pi_attachment );
693 static mtime_t DecoderGetDisplayDate( decoder_t *p_dec, mtime_t i_ts )
695 decoder_owner_sys_t *p_owner = p_dec->p_owner;
697 vlc_mutex_lock( &p_owner->lock );
698 if( p_owner->b_buffering || p_owner->b_paused )
699 i_ts = VLC_TS_INVALID;
700 vlc_mutex_unlock( &p_owner->lock );
702 if( !p_owner->p_clock || i_ts <= VLC_TS_INVALID )
705 if( input_clock_ConvertTS( p_owner->p_clock, NULL, &i_ts, NULL, INT64_MAX ) )
706 return VLC_TS_INVALID;
710 static int DecoderGetDisplayRate( decoder_t *p_dec )
712 decoder_owner_sys_t *p_owner = p_dec->p_owner;
714 if( !p_owner->p_clock )
715 return INPUT_RATE_DEFAULT;
716 return input_clock_GetRate( p_owner->p_clock );
720 static void DecoderUnsupportedCodec( decoder_t *p_dec, vlc_fourcc_t codec )
722 msg_Err( p_dec, "no suitable decoder module for fourcc `%4.4s'. "
723 "VLC probably does not support this sound or video format.",
725 dialog_Fatal( p_dec, _("No suitable decoder module"),
726 _("VLC does not support the audio or video format \"%4.4s\". "
727 "Unfortunately there is no way for you to fix this."),
733 * Create a decoder object
735 * \param p_input the input thread
736 * \param p_es the es descriptor
737 * \param b_packetizer instead of a decoder
738 * \return the decoder object
740 static decoder_t * CreateDecoder( vlc_object_t *p_parent,
741 input_thread_t *p_input,
742 es_format_t *fmt, bool b_packetizer,
743 input_resource_t *p_resource,
744 sout_instance_t *p_sout )
747 decoder_owner_sys_t *p_owner;
748 es_format_t null_es_format;
750 p_dec = vlc_custom_create( p_parent, sizeof( *p_dec ), VLC_OBJECT_DECODER,
755 p_dec->pf_decode_audio = NULL;
756 p_dec->pf_decode_video = NULL;
757 p_dec->pf_decode_sub = NULL;
758 p_dec->pf_get_cc = NULL;
759 p_dec->pf_packetize = NULL;
761 /* Initialize the decoder */
762 p_dec->p_module = NULL;
764 memset( &null_es_format, 0, sizeof(es_format_t) );
765 es_format_Copy( &p_dec->fmt_in, fmt );
766 es_format_Copy( &p_dec->fmt_out, &null_es_format );
768 p_dec->p_description = NULL;
770 /* Allocate our private structure for the decoder */
771 p_dec->p_owner = p_owner = malloc( sizeof( decoder_owner_sys_t ) );
772 if( unlikely(p_owner == NULL) )
774 vlc_object_release( p_dec );
777 p_owner->i_preroll_end = VLC_TS_INVALID;
778 p_owner->i_last_rate = INPUT_RATE_DEFAULT;
779 p_owner->p_input = p_input;
780 p_owner->p_resource = p_resource;
781 p_owner->p_aout = NULL;
782 p_owner->p_aout_input = NULL;
783 p_owner->p_vout = NULL;
784 p_owner->p_spu_vout = NULL;
785 p_owner->i_spu_channel = 0;
786 p_owner->i_spu_order = 0;
787 p_owner->p_sout = p_sout;
788 p_owner->p_sout_input = NULL;
789 p_owner->p_packetizer = NULL;
790 p_owner->b_packetizer = b_packetizer;
793 p_owner->p_fifo = block_FifoNew();
794 if( unlikely(p_owner->p_fifo == NULL) )
797 vlc_object_release( p_dec );
801 /* Set buffers allocation callbacks for the decoders */
802 p_dec->pf_aout_buffer_new = aout_new_buffer;
803 p_dec->pf_aout_buffer_del = aout_del_buffer;
804 p_dec->pf_vout_buffer_new = vout_new_buffer;
805 p_dec->pf_vout_buffer_del = vout_del_buffer;
806 p_dec->pf_picture_link = vout_link_picture;
807 p_dec->pf_picture_unlink = vout_unlink_picture;
808 p_dec->pf_spu_buffer_new = spu_new_buffer;
809 p_dec->pf_spu_buffer_del = spu_del_buffer;
811 p_dec->pf_get_attachments = DecoderGetInputAttachments;
812 p_dec->pf_get_display_date = DecoderGetDisplayDate;
813 p_dec->pf_get_display_rate = DecoderGetDisplayRate;
815 vlc_object_attach( p_dec, p_parent );
817 /* Find a suitable decoder/packetizer module */
819 p_dec->p_module = module_need( p_dec, "decoder", "$codec", false );
821 p_dec->p_module = module_need( p_dec, "packetizer", "$packetizer", false );
823 /* Check if decoder requires already packetized data */
825 p_dec->b_need_packetized && !p_dec->fmt_in.b_packetized )
827 p_owner->p_packetizer =
828 vlc_custom_create( p_dec, sizeof( decoder_t ),
829 VLC_OBJECT_DECODER, "packetizer" );
830 if( p_owner->p_packetizer )
832 es_format_Copy( &p_owner->p_packetizer->fmt_in,
835 es_format_Copy( &p_owner->p_packetizer->fmt_out,
838 vlc_object_attach( p_owner->p_packetizer, p_parent );
840 p_owner->p_packetizer->p_module =
841 module_need( p_owner->p_packetizer,
842 "packetizer", "$packetizer", false );
844 if( !p_owner->p_packetizer->p_module )
846 es_format_Clean( &p_owner->p_packetizer->fmt_in );
847 vlc_object_release( p_owner->p_packetizer );
852 /* Copy ourself the input replay gain */
853 if( fmt->i_cat == AUDIO_ES )
855 for( unsigned i = 0; i < AUDIO_REPLAY_GAIN_MAX; i++ )
857 if( !p_dec->fmt_out.audio_replay_gain.pb_peak[i] )
859 p_dec->fmt_out.audio_replay_gain.pb_peak[i] = fmt->audio_replay_gain.pb_peak[i];
860 p_dec->fmt_out.audio_replay_gain.pf_peak[i] = fmt->audio_replay_gain.pf_peak[i];
862 if( !p_dec->fmt_out.audio_replay_gain.pb_gain[i] )
864 p_dec->fmt_out.audio_replay_gain.pb_gain[i] = fmt->audio_replay_gain.pb_gain[i];
865 p_dec->fmt_out.audio_replay_gain.pf_gain[i] = fmt->audio_replay_gain.pf_gain[i];
871 vlc_mutex_init( &p_owner->lock );
872 vlc_cond_init( &p_owner->wait_request );
873 vlc_cond_init( &p_owner->wait_acknowledge );
875 p_owner->b_fmt_description = false;
876 es_format_Init( &p_owner->fmt_description, UNKNOWN_ES, 0 );
877 p_owner->p_description = NULL;
879 p_owner->b_paused = false;
880 p_owner->pause.i_date = VLC_TS_INVALID;
881 p_owner->pause.i_ignore = 0;
883 p_owner->b_buffering = false;
884 p_owner->buffer.b_first = true;
885 p_owner->buffer.b_full = false;
886 p_owner->buffer.i_count = 0;
887 p_owner->buffer.p_picture = NULL;
888 p_owner->buffer.p_subpic = NULL;
889 p_owner->buffer.p_audio = NULL;
890 p_owner->buffer.p_block = NULL;
892 p_owner->b_flushing = false;
895 p_owner->cc.b_supported = false;
898 if( p_owner->p_packetizer && p_owner->p_packetizer->pf_get_cc )
899 p_owner->cc.b_supported = true;
900 if( p_dec->pf_get_cc )
901 p_owner->cc.b_supported = true;
904 for( unsigned i = 0; i < 4; i++ )
906 p_owner->cc.pb_present[i] = false;
907 p_owner->cc.pp_decoder[i] = NULL;
909 p_owner->i_ts_delay = 0;
914 * The decoding main loop
916 * \param p_dec the decoder
918 static void *DecoderThread( vlc_object_t *p_this )
920 decoder_t *p_dec = (decoder_t *)p_this;
921 decoder_owner_sys_t *p_owner = p_dec->p_owner;
923 /* The decoder's main loop */
926 block_t *p_block = block_FifoGet( p_owner->p_fifo );
928 /* Make sure there is no cancellation point other than this one^^.
929 * If you need one, be sure to push cleanup of p_block. */
930 DecoderSignalBuffering( p_dec, p_block == NULL );
934 int canc = vlc_savecancel();
937 DecoderError( p_dec, p_block );
939 DecoderProcess( p_dec, p_block );
941 vlc_restorecancel( canc );
947 static block_t *DecoderBlockFlushNew()
949 block_t *p_null = block_Alloc( 128 );
953 p_null->i_flags |= BLOCK_FLAG_DISCONTINUITY |
954 BLOCK_FLAG_CORRUPTED |
955 BLOCK_FLAG_CORE_FLUSH;
956 memset( p_null->p_buffer, 0, p_null->i_buffer );
961 static void DecoderFlush( decoder_t *p_dec )
963 decoder_owner_sys_t *p_owner = p_dec->p_owner;
965 vlc_assert_locked( &p_owner->lock );
968 block_FifoEmpty( p_owner->p_fifo );
970 /* Monitor for flush end */
971 p_owner->b_flushing = true;
972 vlc_cond_signal( &p_owner->wait_request );
974 /* Send a special block */
975 block_t *p_null = DecoderBlockFlushNew();
978 input_DecoderDecode( p_dec, p_null, false );
981 while( vlc_object_alive( p_dec ) && p_owner->b_flushing )
982 vlc_cond_wait( &p_owner->wait_acknowledge, &p_owner->lock );
985 static void DecoderSignalBuffering( decoder_t *p_dec, bool b_full )
987 decoder_owner_sys_t *p_owner = p_dec->p_owner;
989 vlc_mutex_lock( &p_owner->lock );
991 if( p_owner->b_buffering )
994 p_owner->buffer.b_full = true;
995 vlc_cond_signal( &p_owner->wait_acknowledge );
998 vlc_mutex_unlock( &p_owner->lock );
1001 static bool DecoderIsFlushing( decoder_t *p_dec )
1003 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1006 vlc_mutex_lock( &p_owner->lock );
1008 b_flushing = p_owner->b_flushing;
1010 vlc_mutex_unlock( &p_owner->lock );
1015 static void DecoderWaitUnblock( decoder_t *p_dec, bool *pb_reject )
1017 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1019 vlc_assert_locked( &p_owner->lock );
1021 while( !p_owner->b_flushing )
1023 if( p_owner->b_paused )
1025 if( p_owner->b_buffering && !p_owner->buffer.b_full )
1027 if( p_owner->pause.i_ignore > 0 )
1029 p_owner->pause.i_ignore--;
1035 if( !p_owner->b_buffering || !p_owner->buffer.b_full )
1038 vlc_cond_wait( &p_owner->wait_request, &p_owner->lock );
1042 *pb_reject = p_owner->b_flushing;
1045 static void DecoderOutputChangePause( decoder_t *p_dec, bool b_paused, mtime_t i_date )
1047 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1049 vlc_assert_locked( &p_owner->lock );
1051 /* XXX only audio and video output have to be paused.
1052 * - for sout it is useless
1053 * - for subs, it is done by the vout
1055 if( p_dec->fmt_out.i_cat == AUDIO_ES )
1057 if( p_owner->p_aout )
1058 aout_DecChangePause( p_owner->p_aout, p_owner->p_aout_input,
1061 else if( p_dec->fmt_out.i_cat == VIDEO_ES )
1063 if( p_owner->p_vout )
1064 vout_ChangePause( p_owner->p_vout, b_paused, i_date );
1067 static inline void DecoderUpdatePreroll( int64_t *pi_preroll, const block_t *p )
1069 if( p->i_flags & (BLOCK_FLAG_PREROLL|BLOCK_FLAG_DISCONTINUITY) )
1070 *pi_preroll = INT64_MAX;
1071 else if( p->i_dts > VLC_TS_INVALID )
1072 *pi_preroll = __MIN( *pi_preroll, p->i_dts );
1073 else if( p->i_pts > VLC_TS_INVALID )
1074 *pi_preroll = __MIN( *pi_preroll, p->i_pts );
1077 static mtime_t DecoderTeletextFixTs( mtime_t i_ts )
1079 mtime_t current_date = mdate();
1081 /* FIXME I don't really like that, es_out SHOULD do it using the video pts */
1082 if( i_ts <= VLC_TS_INVALID || i_ts > current_date + 10000000 || i_ts < current_date )
1084 /* ETSI EN 300 472 Annex A : do not take into account the PTS
1085 * for teletext streams. */
1086 return current_date + 400000;
1091 static void DecoderFixTs( decoder_t *p_dec, mtime_t *pi_ts0, mtime_t *pi_ts1,
1092 mtime_t *pi_duration, int *pi_rate, mtime_t i_ts_bound, bool b_telx )
1094 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1095 input_clock_t *p_clock = p_owner->p_clock;
1097 vlc_assert_locked( &p_owner->lock );
1099 const mtime_t i_es_delay = p_owner->i_ts_delay;
1103 const bool b_ephemere = pi_ts1 && *pi_ts0 == *pi_ts1;
1106 if( *pi_ts0 > VLC_TS_INVALID )
1108 *pi_ts0 += i_es_delay;
1109 if( pi_ts1 && *pi_ts1 > VLC_TS_INVALID )
1110 *pi_ts1 += i_es_delay;
1111 if( input_clock_ConvertTS( p_clock, &i_rate, pi_ts0, pi_ts1, i_ts_bound ) )
1112 *pi_ts0 = VLC_TS_INVALID;
1116 i_rate = input_clock_GetRate( p_clock );
1119 /* Do not create ephemere data because of rounding errors */
1120 if( !b_ephemere && pi_ts1 && *pi_ts0 == *pi_ts1 )
1124 *pi_duration = ( *pi_duration * i_rate +
1125 INPUT_RATE_DEFAULT-1 ) / INPUT_RATE_DEFAULT;
1132 *pi_ts0 = DecoderTeletextFixTs( *pi_ts0 );
1133 if( pi_ts1 && *pi_ts1 <= VLC_TS_INVALID )
1140 * If *pb_reject, it does nothing, otherwise it waits for the given
1141 * deadline or a flush request (in which case it set *pi_reject to true.
1143 static void DecoderWaitDate( decoder_t *p_dec,
1144 bool *pb_reject, mtime_t i_deadline )
1146 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1148 if( *pb_reject || i_deadline < 0 )
1153 vlc_mutex_lock( &p_owner->lock );
1154 if( p_owner->b_flushing || p_dec->b_die )
1157 vlc_mutex_unlock( &p_owner->lock );
1160 int i_ret = vlc_cond_timedwait( &p_owner->wait_request, &p_owner->lock,
1162 vlc_mutex_unlock( &p_owner->lock );
1168 static void DecoderPlayAudio( decoder_t *p_dec, aout_buffer_t *p_audio,
1169 int *pi_played_sum, int *pi_lost_sum )
1171 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1172 aout_instance_t *p_aout = p_owner->p_aout;
1173 aout_input_t *p_aout_input = p_owner->p_aout_input;
1176 if( p_audio->i_pts <= VLC_TS_INVALID ) // FIXME --VLC_TS_INVALID verify audio_output/*
1178 msg_Warn( p_dec, "non-dated audio buffer received" );
1180 aout_BufferFree( p_audio );
1185 vlc_mutex_lock( &p_owner->lock );
1187 if( p_owner->b_buffering || p_owner->buffer.p_audio )
1189 p_audio->p_next = NULL;
1191 *p_owner->buffer.pp_audio_next = p_audio;
1192 p_owner->buffer.pp_audio_next = &p_audio->p_next;
1194 p_owner->buffer.i_count++;
1195 if( p_owner->buffer.i_count > DECODER_MAX_BUFFERING_COUNT ||
1196 p_audio->i_pts - p_owner->buffer.p_audio->i_pts > DECODER_MAX_BUFFERING_AUDIO_DURATION )
1198 p_owner->buffer.b_full = true;
1199 vlc_cond_signal( &p_owner->wait_acknowledge );
1205 bool b_has_more = false;
1207 DecoderWaitUnblock( p_dec, &b_reject );
1209 if( p_owner->b_buffering )
1211 vlc_mutex_unlock( &p_owner->lock );
1216 if( p_owner->buffer.p_audio )
1218 p_audio = p_owner->buffer.p_audio;
1220 p_owner->buffer.p_audio = p_audio->p_next;
1221 p_owner->buffer.i_count--;
1223 b_has_more = p_owner->buffer.p_audio != NULL;
1225 p_owner->buffer.pp_audio_next = &p_owner->buffer.p_audio;
1229 const bool b_dated = p_audio->i_pts > VLC_TS_INVALID;
1230 int i_rate = INPUT_RATE_DEFAULT;
1232 DecoderFixTs( p_dec, &p_audio->i_pts, NULL, &p_audio->i_length,
1233 &i_rate, AOUT_MAX_ADVANCE_TIME, false );
1235 vlc_mutex_unlock( &p_owner->lock );
1237 if( !p_aout || !p_aout_input ||
1238 p_audio->i_pts <= VLC_TS_INVALID ||
1239 i_rate < INPUT_RATE_DEFAULT/AOUT_MAX_INPUT_RATE ||
1240 i_rate > INPUT_RATE_DEFAULT*AOUT_MAX_INPUT_RATE )
1243 DecoderWaitDate( p_dec, &b_reject,
1244 p_audio->i_pts - AOUT_MAX_PREPARE_TIME );
1248 if( !aout_DecPlay( p_aout, p_aout_input, p_audio, i_rate ) )
1249 *pi_played_sum += 1;
1250 *pi_lost_sum += aout_DecGetResetLost( p_aout, p_aout_input );
1255 msg_Warn( p_dec, "received buffer in the future" );
1257 msg_Warn( p_dec, "non-dated audio buffer received" );
1260 aout_BufferFree( p_audio );
1266 vlc_mutex_lock( &p_owner->lock );
1267 if( !p_owner->buffer.p_audio )
1269 vlc_mutex_unlock( &p_owner->lock );
1275 static void DecoderDecodeAudio( decoder_t *p_dec, block_t *p_block )
1277 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1278 aout_buffer_t *p_aout_buf;
1283 while( (p_aout_buf = p_dec->pf_decode_audio( p_dec, &p_block )) )
1285 aout_instance_t *p_aout = p_owner->p_aout;
1286 aout_input_t *p_aout_input = p_owner->p_aout_input;
1290 /* It prevent freezing VLC in case of broken decoder */
1291 aout_DecDeleteBuffer( p_aout, p_aout_input, p_aout_buf );
1293 block_Release( p_block );
1298 if( p_owner->i_preroll_end > VLC_TS_INVALID &&
1299 p_aout_buf->i_pts < p_owner->i_preroll_end )
1301 aout_DecDeleteBuffer( p_aout, p_aout_input, p_aout_buf );
1305 if( p_owner->i_preroll_end > VLC_TS_INVALID )
1307 msg_Dbg( p_dec, "End of audio preroll" );
1308 if( p_owner->p_aout && p_owner->p_aout_input )
1309 aout_DecFlush( p_owner->p_aout, p_owner->p_aout_input );
1311 p_owner->i_preroll_end = VLC_TS_INVALID;
1314 DecoderPlayAudio( p_dec, p_aout_buf, &i_played, &i_lost );
1317 /* Update ugly stat */
1318 input_thread_t *p_input = p_owner->p_input;
1320 if( p_input != NULL && (i_decoded > 0 || i_lost > 0 || i_played > 0) )
1322 vlc_mutex_lock( &p_input->p->counters.counters_lock);
1324 stats_UpdateInteger( p_dec, p_input->p->counters.p_lost_abuffers,
1326 stats_UpdateInteger( p_dec, p_input->p->counters.p_played_abuffers,
1328 stats_UpdateInteger( p_dec, p_input->p->counters.p_decoded_audio,
1331 vlc_mutex_unlock( &p_input->p->counters.counters_lock);
1334 static void DecoderGetCc( decoder_t *p_dec, decoder_t *p_dec_cc )
1336 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1339 bool b_processed = false;
1343 assert( p_dec_cc->pf_get_cc != NULL );
1345 /* Do not try retreiving CC if not wanted (sout) or cannot be retreived */
1346 if( !p_owner->cc.b_supported )
1349 p_cc = p_dec_cc->pf_get_cc( p_dec_cc, pb_present );
1353 vlc_mutex_lock( &p_owner->lock );
1354 for( i = 0, i_cc_decoder = 0; i < 4; i++ )
1356 p_owner->cc.pb_present[i] |= pb_present[i];
1357 if( p_owner->cc.pp_decoder[i] )
1361 for( i = 0; i < 4; i++ )
1363 if( !p_owner->cc.pp_decoder[i] )
1366 if( i_cc_decoder > 1 )
1367 DecoderProcess( p_owner->cc.pp_decoder[i], block_Duplicate( p_cc ) );
1369 DecoderProcess( p_owner->cc.pp_decoder[i], p_cc );
1373 vlc_mutex_unlock( &p_owner->lock );
1376 block_Release( p_cc );
1379 static void DecoderPlayVideo( decoder_t *p_dec, picture_t *p_picture,
1380 int *pi_played_sum, int *pi_lost_sum )
1382 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1383 vout_thread_t *p_vout = p_owner->p_vout;
1384 bool b_first_buffered;
1386 if( p_picture->date <= VLC_TS_INVALID )
1388 msg_Warn( p_dec, "non-dated video buffer received" );
1390 vout_ReleasePicture( p_vout, p_picture );
1395 vlc_mutex_lock( &p_owner->lock );
1397 if( ( p_owner->b_buffering && !p_owner->buffer.b_first ) || p_owner->buffer.p_picture )
1399 p_picture->p_next = NULL;
1401 *p_owner->buffer.pp_picture_next = p_picture;
1402 p_owner->buffer.pp_picture_next = &p_picture->p_next;
1404 p_owner->buffer.i_count++;
1405 if( p_owner->buffer.i_count > DECODER_MAX_BUFFERING_COUNT ||
1406 p_picture->date - p_owner->buffer.p_picture->date > DECODER_MAX_BUFFERING_VIDEO_DURATION )
1408 p_owner->buffer.b_full = true;
1409 vlc_cond_signal( &p_owner->wait_acknowledge );
1412 b_first_buffered = p_owner->buffer.p_picture != NULL;
1414 for( ;; b_first_buffered = false )
1416 bool b_has_more = false;
1420 DecoderWaitUnblock( p_dec, &b_reject );
1422 if( p_owner->b_buffering && !p_owner->buffer.b_first )
1424 vlc_mutex_unlock( &p_owner->lock );
1427 bool b_buffering_first = p_owner->b_buffering;
1430 if( p_owner->buffer.p_picture )
1432 p_picture = p_owner->buffer.p_picture;
1434 p_owner->buffer.p_picture = p_picture->p_next;
1435 p_owner->buffer.i_count--;
1437 b_has_more = p_owner->buffer.p_picture != NULL;
1439 p_owner->buffer.pp_picture_next = &p_owner->buffer.p_picture;
1443 if( b_buffering_first )
1445 assert( p_owner->buffer.b_first );
1446 assert( !p_owner->buffer.i_count );
1447 msg_Dbg( p_dec, "Received first picture" );
1448 p_owner->buffer.b_first = false;
1449 p_picture->b_force = true;
1452 const bool b_dated = p_picture->date > VLC_TS_INVALID;
1453 int i_rate = INPUT_RATE_DEFAULT;
1454 DecoderFixTs( p_dec, &p_picture->date, NULL, NULL,
1455 &i_rate, DECODER_BOGUS_VIDEO_DELAY, false );
1457 vlc_mutex_unlock( &p_owner->lock );
1460 if( !p_picture->b_force && p_picture->date <= VLC_TS_INVALID ) // FIXME --VLC_TS_INVALID verify video_output/*
1465 if( i_rate != p_owner->i_last_rate || b_first_buffered )
1467 /* Be sure to not display old picture after our own */
1468 vout_Flush( p_vout, p_picture->date );
1469 p_owner->i_last_rate = i_rate;
1471 vout_PutPicture( p_vout, p_picture );
1476 msg_Warn( p_dec, "early picture skipped" );
1478 msg_Warn( p_dec, "non-dated video buffer received" );
1481 vout_ReleasePicture( p_vout, p_picture );
1485 vout_GetResetStatistic( p_vout, &i_tmp_display, &i_tmp_lost );
1487 *pi_played_sum += i_tmp_display;
1488 *pi_lost_sum += i_tmp_lost;
1490 if( !b_has_more || b_buffering_first )
1493 vlc_mutex_lock( &p_owner->lock );
1494 if( !p_owner->buffer.p_picture )
1496 vlc_mutex_unlock( &p_owner->lock );
1502 static void DecoderDecodeVideo( decoder_t *p_dec, block_t *p_block )
1504 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1508 int i_displayed = 0;
1510 while( (p_pic = p_dec->pf_decode_video( p_dec, &p_block )) )
1512 vout_thread_t *p_vout = p_owner->p_vout;
1515 /* It prevent freezing VLC in case of broken decoder */
1516 vout_ReleasePicture( p_vout, p_pic );
1518 block_Release( p_block );
1524 if( p_owner->i_preroll_end > VLC_TS_INVALID && p_pic->date < p_owner->i_preroll_end )
1526 vout_ReleasePicture( p_vout, p_pic );
1530 if( p_owner->i_preroll_end > VLC_TS_INVALID )
1532 msg_Dbg( p_dec, "End of video preroll" );
1534 vout_Flush( p_vout, VLC_TS_INVALID+1 );
1536 p_owner->i_preroll_end = VLC_TS_INVALID;
1539 if( p_dec->pf_get_cc &&
1540 ( !p_owner->p_packetizer || !p_owner->p_packetizer->pf_get_cc ) )
1541 DecoderGetCc( p_dec, p_dec );
1543 DecoderPlayVideo( p_dec, p_pic, &i_displayed, &i_lost );
1546 /* Update ugly stat */
1547 input_thread_t *p_input = p_owner->p_input;
1549 if( p_input != NULL && (i_decoded > 0 || i_lost > 0 || i_displayed > 0) )
1551 vlc_mutex_lock( &p_input->p->counters.counters_lock );
1553 stats_UpdateInteger( p_dec, p_input->p->counters.p_decoded_video,
1555 stats_UpdateInteger( p_dec, p_input->p->counters.p_lost_pictures,
1558 stats_UpdateInteger( p_dec, p_input->p->counters.p_displayed_pictures,
1561 vlc_mutex_unlock( &p_input->p->counters.counters_lock );
1565 static void DecoderPlaySpu( decoder_t *p_dec, subpicture_t *p_subpic,
1568 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1569 vout_thread_t *p_vout = p_owner->p_spu_vout;
1572 if( p_subpic->i_start <= VLC_TS_INVALID && !b_telx )
1574 msg_Warn( p_dec, "non-dated spu buffer received" );
1575 subpicture_Delete( p_subpic );
1580 vlc_mutex_lock( &p_owner->lock );
1582 if( p_owner->b_buffering || p_owner->buffer.p_subpic )
1584 p_subpic->p_next = NULL;
1586 *p_owner->buffer.pp_subpic_next = p_subpic;
1587 p_owner->buffer.pp_subpic_next = &p_subpic->p_next;
1589 p_owner->buffer.i_count++;
1590 /* XXX it is important to be full after the first one */
1591 if( p_owner->buffer.i_count > 0 )
1593 p_owner->buffer.b_full = true;
1594 vlc_cond_signal( &p_owner->wait_acknowledge );
1600 bool b_has_more = false;
1602 DecoderWaitUnblock( p_dec, &b_reject );
1604 if( p_owner->b_buffering )
1606 vlc_mutex_unlock( &p_owner->lock );
1611 if( p_owner->buffer.p_subpic )
1613 p_subpic = p_owner->buffer.p_subpic;
1615 p_owner->buffer.p_subpic = p_subpic->p_next;
1616 p_owner->buffer.i_count--;
1618 b_has_more = p_owner->buffer.p_subpic != NULL;
1620 p_owner->buffer.pp_subpic_next = &p_owner->buffer.p_subpic;
1624 DecoderFixTs( p_dec, &p_subpic->i_start, &p_subpic->i_stop, NULL,
1625 NULL, INT64_MAX, b_telx );
1627 vlc_mutex_unlock( &p_owner->lock );
1629 if( p_subpic->i_start <= VLC_TS_INVALID )
1632 DecoderWaitDate( p_dec, &b_reject,
1633 p_subpic->i_start - SPU_MAX_PREPARE_TIME );
1636 vout_PutSubpicture( p_vout, p_subpic );
1638 subpicture_Delete( p_subpic );
1642 vlc_mutex_lock( &p_owner->lock );
1643 if( !p_owner->buffer.p_subpic )
1645 vlc_mutex_unlock( &p_owner->lock );
1652 static void DecoderPlaySout( decoder_t *p_dec, block_t *p_sout_block,
1655 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1657 assert( p_owner->p_clock );
1658 assert( !p_sout_block->p_next );
1660 vlc_mutex_lock( &p_owner->lock );
1662 if( p_owner->b_buffering || p_owner->buffer.p_block )
1664 block_ChainLastAppend( &p_owner->buffer.pp_block_next, p_sout_block );
1666 p_owner->buffer.i_count++;
1667 /* XXX it is important to be full after the first one */
1668 if( p_owner->buffer.i_count > 0 )
1670 p_owner->buffer.b_full = true;
1671 vlc_cond_signal( &p_owner->wait_acknowledge );
1677 bool b_has_more = false;
1679 DecoderWaitUnblock( p_dec, &b_reject );
1681 if( p_owner->b_buffering )
1683 vlc_mutex_unlock( &p_owner->lock );
1688 if( p_owner->buffer.p_block )
1690 p_sout_block = p_owner->buffer.p_block;
1692 p_owner->buffer.p_block = p_sout_block->p_next;
1693 p_owner->buffer.i_count--;
1695 b_has_more = p_owner->buffer.p_block != NULL;
1697 p_owner->buffer.pp_block_next = &p_owner->buffer.p_block;
1699 p_sout_block->p_next = NULL;
1701 DecoderFixTs( p_dec, &p_sout_block->i_dts, &p_sout_block->i_pts,
1702 &p_sout_block->i_length,
1703 &p_sout_block->i_rate, INT64_MAX, b_telx );
1705 vlc_mutex_unlock( &p_owner->lock );
1708 sout_InputSendBuffer( p_owner->p_sout_input, p_sout_block ); // FIXME --VLC_TS_INVALID inspect stream_output/*
1710 block_Release( p_sout_block );
1714 vlc_mutex_lock( &p_owner->lock );
1715 if( !p_owner->buffer.p_block )
1717 vlc_mutex_unlock( &p_owner->lock );
1725 static void DecoderFlushBuffering( decoder_t *p_dec )
1727 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1729 vlc_assert_locked( &p_owner->lock );
1731 while( p_owner->buffer.p_picture )
1733 picture_t *p_picture = p_owner->buffer.p_picture;
1735 p_owner->buffer.p_picture = p_picture->p_next;
1736 p_owner->buffer.i_count--;
1738 if( p_owner->p_vout )
1740 vout_ReleasePicture( p_owner->p_vout, p_picture );
1743 if( !p_owner->buffer.p_picture )
1744 p_owner->buffer.pp_picture_next = &p_owner->buffer.p_picture;
1746 while( p_owner->buffer.p_audio )
1748 aout_buffer_t *p_audio = p_owner->buffer.p_audio;
1750 p_owner->buffer.p_audio = p_audio->p_next;
1751 p_owner->buffer.i_count--;
1753 aout_BufferFree( p_audio );
1755 if( !p_owner->buffer.p_audio )
1756 p_owner->buffer.pp_audio_next = &p_owner->buffer.p_audio;
1758 while( p_owner->buffer.p_subpic )
1760 subpicture_t *p_subpic = p_owner->buffer.p_subpic;
1762 p_owner->buffer.p_subpic = p_subpic->p_next;
1763 p_owner->buffer.i_count--;
1765 subpicture_Delete( p_subpic );
1767 if( !p_owner->buffer.p_subpic )
1768 p_owner->buffer.pp_subpic_next = &p_owner->buffer.p_subpic;
1770 if( p_owner->buffer.p_block )
1772 block_ChainRelease( p_owner->buffer.p_block );
1774 p_owner->buffer.i_count = 0;
1775 p_owner->buffer.p_block = NULL;
1776 p_owner->buffer.pp_block_next = &p_owner->buffer.p_block;
1781 /* This function process a block for sout
1783 static void DecoderProcessSout( decoder_t *p_dec, block_t *p_block )
1785 decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
1786 const bool b_telx = p_dec->fmt_in.i_codec == VLC_CODEC_TELETEXT;
1787 block_t *p_sout_block;
1789 while( ( p_sout_block =
1790 p_dec->pf_packetize( p_dec, p_block ? &p_block : NULL ) ) )
1792 if( !p_owner->p_sout_input )
1794 es_format_Copy( &p_owner->sout, &p_dec->fmt_out );
1796 p_owner->sout.i_group = p_dec->fmt_in.i_group;
1797 p_owner->sout.i_id = p_dec->fmt_in.i_id;
1798 if( p_dec->fmt_in.psz_language )
1800 free( p_owner->sout.psz_language );
1801 p_owner->sout.psz_language =
1802 strdup( p_dec->fmt_in.psz_language );
1805 p_owner->p_sout_input =
1806 sout_InputNew( p_owner->p_sout,
1809 if( p_owner->p_sout_input == NULL )
1811 msg_Err( p_dec, "cannot create packetizer output (%4.4s)",
1812 (char *)&p_owner->sout.i_codec );
1813 p_dec->b_error = true;
1815 while( p_sout_block )
1817 block_t *p_next = p_sout_block->p_next;
1818 block_Release( p_sout_block );
1819 p_sout_block = p_next;
1825 while( p_sout_block )
1827 block_t *p_next = p_sout_block->p_next;
1829 p_sout_block->p_next = NULL;
1831 DecoderPlaySout( p_dec, p_sout_block, b_telx );
1833 p_sout_block = p_next;
1839 /* This function process a video block
1841 static void DecoderProcessVideo( decoder_t *p_dec, block_t *p_block, bool b_flush )
1843 decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
1845 if( p_owner->p_packetizer )
1847 block_t *p_packetized_block;
1848 decoder_t *p_packetizer = p_owner->p_packetizer;
1850 while( (p_packetized_block =
1851 p_packetizer->pf_packetize( p_packetizer, p_block ? &p_block : NULL )) )
1853 if( p_packetizer->fmt_out.i_extra && !p_dec->fmt_in.i_extra )
1855 es_format_Clean( &p_dec->fmt_in );
1856 es_format_Copy( &p_dec->fmt_in, &p_packetizer->fmt_out );
1858 if( p_packetizer->pf_get_cc )
1859 DecoderGetCc( p_dec, p_packetizer );
1861 while( p_packetized_block )
1863 block_t *p_next = p_packetized_block->p_next;
1864 p_packetized_block->p_next = NULL;
1866 DecoderDecodeVideo( p_dec, p_packetized_block );
1868 p_packetized_block = p_next;
1871 /* The packetizer does not output a block that tell the decoder to flush
1875 block_t *p_null = DecoderBlockFlushNew();
1877 DecoderDecodeVideo( p_dec, p_null );
1882 DecoderDecodeVideo( p_dec, p_block );
1885 if( b_flush && p_owner->p_vout )
1886 vout_Flush( p_owner->p_vout, VLC_TS_INVALID+1 );
1889 /* This function process a audio block
1891 static void DecoderProcessAudio( decoder_t *p_dec, block_t *p_block, bool b_flush )
1893 decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
1895 if( p_owner->p_packetizer )
1897 block_t *p_packetized_block;
1898 decoder_t *p_packetizer = p_owner->p_packetizer;
1900 while( (p_packetized_block =
1901 p_packetizer->pf_packetize( p_packetizer, p_block ? &p_block : NULL )) )
1903 if( p_packetizer->fmt_out.i_extra && !p_dec->fmt_in.i_extra )
1905 es_format_Clean( &p_dec->fmt_in );
1906 es_format_Copy( &p_dec->fmt_in, &p_packetizer->fmt_out );
1909 while( p_packetized_block )
1911 block_t *p_next = p_packetized_block->p_next;
1912 p_packetized_block->p_next = NULL;
1914 DecoderDecodeAudio( p_dec, p_packetized_block );
1916 p_packetized_block = p_next;
1919 /* The packetizer does not output a block that tell the decoder to flush
1923 block_t *p_null = DecoderBlockFlushNew();
1925 DecoderDecodeAudio( p_dec, p_null );
1930 DecoderDecodeAudio( p_dec, p_block );
1933 if( b_flush && p_owner->p_aout )
1934 aout_DecFlush( p_owner->p_aout, p_owner->p_aout_input );
1937 /* This function process a subtitle block
1939 static void DecoderProcessSpu( decoder_t *p_dec, block_t *p_block, bool b_flush )
1941 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1942 const bool b_telx = p_dec->fmt_in.i_codec == VLC_CODEC_TELETEXT;
1944 input_thread_t *p_input = p_owner->p_input;
1945 vout_thread_t *p_vout;
1946 subpicture_t *p_spu;
1948 while( (p_spu = p_dec->pf_decode_sub( p_dec, p_block ? &p_block : NULL ) ) )
1950 if( p_input != NULL )
1952 vlc_mutex_lock( &p_input->p->counters.counters_lock );
1953 stats_UpdateInteger( p_dec, p_input->p->counters.p_decoded_sub, 1,
1955 vlc_mutex_unlock( &p_input->p->counters.counters_lock );
1958 p_vout = input_resource_HoldVout( p_owner->p_resource );
1959 if( p_vout && p_owner->p_spu_vout == p_vout )
1961 /* Preroll does not work very well with subtitle */
1962 if( p_spu->i_start > VLC_TS_INVALID &&
1963 p_spu->i_start < p_owner->i_preroll_end &&
1964 ( p_spu->i_stop <= VLC_TS_INVALID || p_spu->i_stop < p_owner->i_preroll_end ) )
1966 subpicture_Delete( p_spu );
1970 DecoderPlaySpu( p_dec, p_spu, b_telx );
1975 subpicture_Delete( p_spu );
1978 vlc_object_release( p_vout );
1981 if( b_flush && p_owner->p_spu_vout )
1983 p_vout = input_resource_HoldVout( p_owner->p_resource );
1985 if( p_vout && p_owner->p_spu_vout == p_vout )
1986 vout_FlushSubpictureChannel( p_vout, p_owner->i_spu_channel );
1989 vlc_object_release( p_vout );
1994 static void DecoderProcessOnFlush( decoder_t *p_dec )
1996 decoder_owner_sys_t *p_owner = p_dec->p_owner;
1998 vlc_mutex_lock( &p_owner->lock );
1999 DecoderFlushBuffering( p_dec );
2001 if( p_owner->b_flushing )
2003 p_owner->b_flushing = false;
2004 vlc_cond_signal( &p_owner->wait_acknowledge );
2006 vlc_mutex_unlock( &p_owner->lock );
2012 * \param p_dec the decoder object
2013 * \param p_block the block to decode
2014 * \return VLC_SUCCESS or an error code
2016 static void DecoderProcess( decoder_t *p_dec, block_t *p_block )
2018 decoder_owner_sys_t *p_owner = (decoder_owner_sys_t *)p_dec->p_owner;
2019 const bool b_flush_request = p_block && (p_block->i_flags & BLOCK_FLAG_CORE_FLUSH);
2021 if( p_block && p_block->i_buffer <= 0 )
2023 assert( !b_flush_request );
2024 block_Release( p_block );
2029 if( p_owner->b_packetizer )
2032 p_block->i_flags &= ~BLOCK_FLAG_CORE_PRIVATE_MASK;
2034 DecoderProcessSout( p_dec, p_block );
2039 bool b_flush = false;
2043 const bool b_flushing = p_owner->i_preroll_end == INT64_MAX;
2044 DecoderUpdatePreroll( &p_owner->i_preroll_end, p_block );
2046 b_flush = !b_flushing && b_flush_request;
2048 p_block->i_flags &= ~BLOCK_FLAG_CORE_PRIVATE_MASK;
2051 if( p_dec->fmt_out.i_cat == AUDIO_ES )
2053 DecoderProcessAudio( p_dec, p_block, b_flush );
2055 else if( p_dec->fmt_out.i_cat == VIDEO_ES )
2057 DecoderProcessVideo( p_dec, p_block, b_flush );
2059 else if( p_dec->fmt_out.i_cat == SPU_ES )
2061 DecoderProcessSpu( p_dec, p_block, b_flush );
2065 msg_Err( p_dec, "unknown ES format" );
2066 p_dec->b_error = true;
2071 if( b_flush_request )
2072 DecoderProcessOnFlush( p_dec );
2075 static void DecoderError( decoder_t *p_dec, block_t *p_block )
2077 const bool b_flush_request = p_block && (p_block->i_flags & BLOCK_FLAG_CORE_FLUSH);
2081 block_Release( p_block );
2083 if( b_flush_request )
2084 DecoderProcessOnFlush( p_dec );
2089 * Destroys a decoder object
2091 * \param p_dec the decoder object
2094 static void DeleteDecoder( decoder_t * p_dec )
2096 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2098 msg_Dbg( p_dec, "killing decoder fourcc `%4.4s', %u PES in FIFO",
2099 (char*)&p_dec->fmt_in.i_codec,
2100 (unsigned)block_FifoCount( p_owner->p_fifo ) );
2102 /* Free all packets still in the decoder fifo. */
2103 block_FifoEmpty( p_owner->p_fifo );
2104 block_FifoRelease( p_owner->p_fifo );
2107 vlc_mutex_lock( &p_owner->lock );
2108 DecoderFlushBuffering( p_dec );
2109 vlc_mutex_unlock( &p_owner->lock );
2112 if( p_owner->p_aout )
2114 aout_DecDelete( p_owner->p_aout, p_owner->p_aout_input );
2115 input_resource_RequestAout( p_owner->p_resource, p_owner->p_aout );
2116 if( p_owner->p_input != NULL )
2117 input_SendEventAout( p_owner->p_input );
2119 if( p_owner->p_vout )
2121 /* Hack to make sure all the the pictures are freed by the decoder
2122 * and that the vout is not paused anymore */
2123 vout_Reset( p_owner->p_vout );
2126 input_resource_RequestVout( p_owner->p_resource, p_owner->p_vout, NULL,
2128 if( p_owner->p_input != NULL )
2129 input_SendEventVout( p_owner->p_input );
2133 if( p_owner->p_sout_input )
2135 sout_InputDelete( p_owner->p_sout_input );
2136 es_format_Clean( &p_owner->sout );
2140 if( p_dec->fmt_out.i_cat == SPU_ES )
2142 vout_thread_t *p_vout;
2144 p_vout = input_resource_HoldVout( p_owner->p_resource );
2147 if( p_owner->p_spu_vout == p_vout )
2148 vout_FlushSubpictureChannel( p_vout, p_owner->i_spu_channel );
2149 vlc_object_release( p_vout );
2153 es_format_Clean( &p_dec->fmt_in );
2154 es_format_Clean( &p_dec->fmt_out );
2155 if( p_dec->p_description )
2156 vlc_meta_Delete( p_dec->p_description );
2157 es_format_Clean( &p_owner->fmt_description );
2158 if( p_owner->p_description )
2159 vlc_meta_Delete( p_owner->p_description );
2161 if( p_owner->p_packetizer )
2163 module_unneed( p_owner->p_packetizer,
2164 p_owner->p_packetizer->p_module );
2165 es_format_Clean( &p_owner->p_packetizer->fmt_in );
2166 es_format_Clean( &p_owner->p_packetizer->fmt_out );
2167 if( p_owner->p_packetizer->p_description )
2168 vlc_meta_Delete( p_owner->p_packetizer->p_description );
2169 vlc_object_release( p_owner->p_packetizer );
2172 vlc_cond_destroy( &p_owner->wait_acknowledge );
2173 vlc_cond_destroy( &p_owner->wait_request );
2174 vlc_mutex_destroy( &p_owner->lock );
2176 vlc_object_release( p_dec );
2181 /*****************************************************************************
2182 * Buffers allocation callbacks for the decoders
2183 *****************************************************************************/
2184 static void DecoderUpdateFormatLocked( decoder_t *p_dec )
2186 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2188 vlc_assert_locked( &p_owner->lock );
2190 p_owner->b_fmt_description = true;
2192 /* Copy es_format */
2193 es_format_Clean( &p_owner->fmt_description );
2194 es_format_Copy( &p_owner->fmt_description, &p_dec->fmt_out );
2196 /* Move p_description */
2197 if( p_owner->p_description && p_dec->p_description )
2198 vlc_meta_Delete( p_owner->p_description );
2199 p_owner->p_description = p_dec->p_description;
2200 p_dec->p_description = NULL;
2202 static vout_thread_t *aout_request_vout( void *p_private,
2203 vout_thread_t *p_vout, video_format_t *p_fmt, bool b_recyle )
2205 decoder_t *p_dec = p_private;
2206 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2207 input_thread_t *p_input = p_owner->p_input;
2209 p_vout = input_resource_RequestVout( p_owner->p_resource, p_vout, p_fmt, 1,
2211 if( p_input != NULL )
2212 input_SendEventVout( p_input );
2217 static aout_buffer_t *aout_new_buffer( decoder_t *p_dec, int i_samples )
2219 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2220 aout_buffer_t *p_buffer;
2222 if( p_owner->p_aout_input != NULL &&
2223 ( p_dec->fmt_out.audio.i_rate != p_owner->audio.i_rate ||
2224 p_dec->fmt_out.audio.i_original_channels !=
2225 p_owner->audio.i_original_channels ||
2226 p_dec->fmt_out.audio.i_bytes_per_frame !=
2227 p_owner->audio.i_bytes_per_frame ) )
2229 aout_input_t *p_aout_input = p_owner->p_aout_input;
2230 aout_instance_t *p_aout = p_owner->p_aout;
2232 /* Parameters changed, restart the aout */
2233 vlc_mutex_lock( &p_owner->lock );
2235 DecoderFlushBuffering( p_dec );
2237 aout_DecDelete( p_owner->p_aout, p_aout_input );
2238 p_owner->p_aout = NULL;
2239 p_owner->p_aout_input = NULL;
2241 vlc_mutex_unlock( &p_owner->lock );
2242 input_resource_RequestAout( p_owner->p_resource, p_aout );
2245 if( p_owner->p_aout_input == NULL )
2247 const int i_force_dolby = var_InheritInteger( p_dec, "force-dolby-surround" );
2248 audio_sample_format_t format;
2249 aout_input_t *p_aout_input;
2250 aout_instance_t *p_aout;
2251 aout_request_vout_t request_vout;
2253 p_dec->fmt_out.audio.i_format = p_dec->fmt_out.i_codec;
2254 p_owner->audio = p_dec->fmt_out.audio;
2256 memcpy( &format, &p_owner->audio, sizeof( audio_sample_format_t ) );
2257 if( i_force_dolby &&
2258 (format.i_original_channels&AOUT_CHAN_PHYSMASK) ==
2259 (AOUT_CHAN_LEFT|AOUT_CHAN_RIGHT) )
2261 if( i_force_dolby == 1 )
2263 format.i_original_channels = format.i_original_channels |
2264 AOUT_CHAN_DOLBYSTEREO;
2266 else /* i_force_dolby == 2 */
2268 format.i_original_channels = format.i_original_channels &
2269 ~AOUT_CHAN_DOLBYSTEREO;
2273 request_vout.pf_request_vout = aout_request_vout;
2274 request_vout.p_private = p_dec;
2276 assert( p_owner->p_aout == NULL );
2277 p_aout = input_resource_RequestAout( p_owner->p_resource, NULL );
2280 p_aout_input = aout_DecNew( p_aout, &format,
2281 &p_dec->fmt_out.audio_replay_gain,
2283 if( p_aout_input == NULL )
2285 input_resource_RequestAout( p_owner->p_resource, p_aout );
2290 p_aout_input = NULL;
2292 vlc_mutex_lock( &p_owner->lock );
2294 p_owner->p_aout = p_aout;
2295 p_owner->p_aout_input = p_aout_input;
2296 DecoderUpdateFormatLocked( p_dec );
2298 vlc_mutex_unlock( &p_owner->lock );
2300 if( p_owner->p_input != NULL )
2301 input_SendEventAout( p_owner->p_input );
2303 if( p_owner->p_aout_input == NULL )
2305 msg_Err( p_dec, "failed to create audio output" );
2306 p_dec->b_error = true;
2309 p_dec->fmt_out.audio.i_bytes_per_frame =
2310 p_owner->audio.i_bytes_per_frame;
2313 p_buffer = aout_DecNewBuffer( p_owner->p_aout_input, i_samples );
2318 static void aout_del_buffer( decoder_t *p_dec, aout_buffer_t *p_buffer )
2320 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2322 aout_DecDeleteBuffer( p_owner->p_aout,
2323 p_owner->p_aout_input, p_buffer );
2326 static picture_t *vout_new_buffer( decoder_t *p_dec )
2328 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2330 if( p_owner->p_vout == NULL ||
2331 p_dec->fmt_out.video.i_width != p_owner->video.i_width ||
2332 p_dec->fmt_out.video.i_height != p_owner->video.i_height ||
2333 p_dec->fmt_out.video.i_visible_width != p_owner->video.i_visible_width ||
2334 p_dec->fmt_out.video.i_visible_height != p_owner->video.i_visible_height ||
2335 p_dec->fmt_out.video.i_x_offset != p_owner->video.i_x_offset ||
2336 p_dec->fmt_out.video.i_y_offset != p_owner->video.i_y_offset ||
2337 p_dec->fmt_out.i_codec != p_owner->video.i_chroma ||
2338 (int64_t)p_dec->fmt_out.video.i_sar_num * p_owner->video.i_sar_den !=
2339 (int64_t)p_dec->fmt_out.video.i_sar_den * p_owner->video.i_sar_num )
2341 vout_thread_t *p_vout;
2343 if( !p_dec->fmt_out.video.i_width ||
2344 !p_dec->fmt_out.video.i_height )
2346 /* Can't create a new vout without display size */
2350 video_format_t fmt = p_dec->fmt_out.video;
2351 fmt.i_chroma = p_dec->fmt_out.i_codec;
2352 p_owner->video = fmt;
2354 if( !fmt.i_visible_width || !fmt.i_visible_height )
2356 if( p_dec->fmt_in.video.i_visible_width &&
2357 p_dec->fmt_in.video.i_visible_height )
2359 fmt.i_visible_width = p_dec->fmt_in.video.i_visible_width;
2360 fmt.i_visible_height = p_dec->fmt_in.video.i_visible_height;
2364 fmt.i_visible_width = fmt.i_width;
2365 fmt.i_visible_height = fmt.i_height;
2369 if( fmt.i_visible_height == 1088 &&
2370 var_CreateGetBool( p_dec, "hdtv-fix" ) )
2372 fmt.i_visible_height = 1080;
2373 if( !(fmt.i_sar_num % 136))
2375 fmt.i_sar_num *= 135;
2376 fmt.i_sar_den *= 136;
2378 msg_Warn( p_dec, "Fixing broken HDTV stream (display_height=1088)");
2381 if( !fmt.i_sar_num || !fmt.i_sar_den )
2387 vlc_ureduce( &fmt.i_sar_num, &fmt.i_sar_den,
2388 fmt.i_sar_num, fmt.i_sar_den, 50000 );
2390 vlc_mutex_lock( &p_owner->lock );
2392 DecoderFlushBuffering( p_dec );
2394 p_vout = p_owner->p_vout;
2395 p_owner->p_vout = NULL;
2396 vlc_mutex_unlock( &p_owner->lock );
2399 switch( p_dec->fmt_in.i_codec )
2401 case VLC_CODEC_H264:
2402 case VLC_CODEC_DIRAC: /* FIXME valid ? */
2407 case VLC_CODEC_VP6F:
2415 p_vout = input_resource_RequestVout( p_owner->p_resource,
2417 dpb_size + 1 + DECODER_MAX_BUFFERING_COUNT,
2419 vlc_mutex_lock( &p_owner->lock );
2420 p_owner->p_vout = p_vout;
2422 DecoderUpdateFormatLocked( p_dec );
2424 vlc_mutex_unlock( &p_owner->lock );
2426 if( p_owner->p_input != NULL )
2427 input_SendEventVout( p_owner->p_input );
2428 if( p_vout == NULL )
2430 msg_Err( p_dec, "failed to create video output" );
2431 p_dec->b_error = true;
2436 /* Get a new picture
2440 if( p_dec->b_die || p_dec->b_error )
2443 picture_t *p_picture = vout_GetPicture( p_owner->p_vout );
2447 if( DecoderIsFlushing( p_dec ) )
2451 DecoderSignalBuffering( p_dec, true );
2453 /* Check the decoder doesn't leak pictures */
2454 vout_FixLeaks( p_owner->p_vout );
2456 /* FIXME add a vout_WaitPictureAvailable (timedwait) */
2457 msleep( VOUT_OUTMEM_SLEEP );
2461 static void vout_del_buffer( decoder_t *p_dec, picture_t *p_pic )
2463 vout_ReleasePicture( p_dec->p_owner->p_vout, p_pic );
2466 static void vout_link_picture( decoder_t *p_dec, picture_t *p_pic )
2468 vout_HoldPicture( p_dec->p_owner->p_vout, p_pic );
2471 static void vout_unlink_picture( decoder_t *p_dec, picture_t *p_pic )
2473 vout_ReleasePicture( p_dec->p_owner->p_vout, p_pic );
2476 static subpicture_t *spu_new_buffer( decoder_t *p_dec,
2477 const subpicture_updater_t *p_updater )
2479 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2480 vout_thread_t *p_vout = NULL;
2481 subpicture_t *p_subpic;
2482 int i_attempts = 30;
2484 while( i_attempts-- )
2486 if( p_dec->b_die || p_dec->b_error )
2489 p_vout = input_resource_HoldVout( p_owner->p_resource );
2493 msleep( DECODER_SPU_VOUT_WAIT_DURATION );
2498 msg_Warn( p_dec, "no vout found, dropping subpicture" );
2502 if( p_owner->p_spu_vout != p_vout )
2504 vlc_mutex_lock( &p_owner->lock );
2506 DecoderFlushBuffering( p_dec );
2508 vlc_mutex_unlock( &p_owner->lock );
2510 p_owner->i_spu_channel = vout_RegisterSubpictureChannel( p_vout );
2511 p_owner->i_spu_order = 0;
2512 p_owner->p_spu_vout = p_vout;
2515 p_subpic = subpicture_New( p_updater );
2518 p_subpic->i_channel = p_owner->i_spu_channel;
2519 p_subpic->i_order = p_owner->i_spu_order++;
2520 p_subpic->b_subtitle = true;
2523 vlc_object_release( p_vout );
2528 static void spu_del_buffer( decoder_t *p_dec, subpicture_t *p_subpic )
2530 decoder_owner_sys_t *p_owner = p_dec->p_owner;
2531 vout_thread_t *p_vout = NULL;
2533 p_vout = input_resource_HoldVout( p_owner->p_resource );
2534 if( !p_vout || p_owner->p_spu_vout != p_vout )
2537 vlc_object_release( p_vout );
2538 msg_Warn( p_dec, "no vout found, leaking subpicture" );
2542 subpicture_Delete( p_subpic );
2544 vlc_object_release( p_vout );