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 *****************************************************************************/
32 #include <vlc_block.h>
36 #include <vlc_codec.h>
39 #include <vlc_interface.h>
40 #include "audio_output/aout_internal.h"
41 #include "stream_output/stream_output.h"
42 #include "input_internal.h"
44 static decoder_t * CreateDecoder( input_thread_t *, es_format_t *, int );
45 static void DeleteDecoder( decoder_t * );
47 static int DecoderThread( decoder_t * );
48 static int DecoderDecode( decoder_t * p_dec, block_t *p_block );
50 /* Buffers allocation callbacks for the decoders */
51 static aout_buffer_t *aout_new_buffer( decoder_t *, int );
52 static void aout_del_buffer( decoder_t *, aout_buffer_t * );
54 static picture_t *vout_new_buffer( decoder_t * );
55 static void vout_del_buffer( decoder_t *, picture_t * );
56 static void vout_link_picture( decoder_t *, picture_t * );
57 static void vout_unlink_picture( decoder_t *, picture_t * );
59 static subpicture_t *spu_new_buffer( decoder_t * );
60 static void spu_del_buffer( decoder_t *, subpicture_t * );
62 static es_format_t null_es_format;
64 struct decoder_owner_sys_t
66 vlc_bool_t b_own_thread;
68 int64_t i_preroll_end;
70 input_thread_t *p_input;
72 aout_instance_t *p_aout;
73 aout_input_t *p_aout_input;
75 vout_thread_t *p_vout;
77 vout_thread_t *p_spu_vout;
80 sout_instance_t *p_sout;
81 sout_packetizer_input_t *p_sout_input;
83 /* Some decoders require already packetized data (ie. not truncated) */
84 decoder_t *p_packetizer;
86 /* Current format in use by the output */
97 * Spawns a new decoder thread
99 * \param p_input the input thread
100 * \param p_es the es descriptor
101 * \return the spawned decoder object
103 decoder_t *input_DecoderNew( input_thread_t *p_input,
104 es_format_t *fmt, vlc_bool_t b_force_decoder )
106 decoder_t *p_dec = NULL;
109 /* If we are in sout mode, search for packetizer module */
110 if( p_input->p->p_sout && !b_force_decoder )
112 /* Create the decoder configuration structure */
113 p_dec = CreateDecoder( p_input, fmt, VLC_OBJECT_PACKETIZER );
116 msg_Err( p_input, "could not create packetizer" );
117 intf_UserFatal( p_input, VLC_FALSE, _("Streaming / Transcoding failed"),
118 _("VLC could not open the packetizer module.") );
124 /* Create the decoder configuration structure */
125 p_dec = CreateDecoder( p_input, fmt, VLC_OBJECT_DECODER );
128 msg_Err( p_input, "could not create decoder" );
129 intf_UserFatal( p_input, VLC_FALSE, _("Streaming / Transcoding failed"),
130 _("VLC could not open the decoder module.") );
135 if( !p_dec->p_module )
137 msg_Err( p_dec, "no suitable decoder module for fourcc `%4.4s'.\n"
138 "VLC probably does not support this sound or video format.",
139 (char*)&p_dec->fmt_in.i_codec );
140 intf_UserFatal( p_dec, VLC_FALSE, _("No suitable decoder module "
141 "for format"), _("VLC probably does not support the \"%4.4s\" "
142 "audio or video format. Unfortunately there is no way for you "
143 "to fix this."), (char*)&p_dec->fmt_in.i_codec );
145 DeleteDecoder( p_dec );
146 vlc_object_destroy( p_dec );
150 if( p_input->p->p_sout && p_input->p->input.b_can_pace_control &&
153 msg_Dbg( p_input, "stream out mode -> no decoder thread" );
154 p_dec->p_owner->b_own_thread = VLC_FALSE;
158 var_Get( p_input, "minimize-threads", &val );
159 p_dec->p_owner->b_own_thread = !val.b_bool;
162 if( p_dec->p_owner->b_own_thread )
165 if( fmt->i_cat == AUDIO_ES )
166 i_priority = VLC_THREAD_PRIORITY_AUDIO;
168 i_priority = VLC_THREAD_PRIORITY_VIDEO;
170 /* Spawn the decoder thread */
171 if( vlc_thread_create( p_dec, "decoder", DecoderThread,
172 i_priority, VLC_FALSE ) )
174 msg_Err( p_dec, "cannot spawn decoder thread \"%s\"",
175 p_dec->p_module->psz_object_name );
176 module_Unneed( p_dec, p_dec->p_module );
177 DeleteDecoder( p_dec );
178 vlc_object_destroy( p_dec );
187 * Kills a decoder thread and waits until it's finished
189 * \param p_input the input thread
190 * \param p_es the es descriptor
193 void input_DecoderDelete( decoder_t *p_dec )
195 p_dec->b_die = VLC_TRUE;
197 if( p_dec->p_owner->b_own_thread )
199 /* Make sure the thread leaves the function by
200 * sending it an empty block. */
201 block_t *p_block = block_New( p_dec, 0 );
202 input_DecoderDecode( p_dec, p_block );
204 vlc_thread_join( p_dec );
206 /* Don't module_Unneed() here because of the dll loader that wants
207 * close() in the same thread than open()/decode() */
212 input_DecoderDecode( p_dec, NULL );
214 module_Unneed( p_dec, p_dec->p_module );
217 /* Delete decoder configuration */
218 DeleteDecoder( p_dec );
220 /* Delete the decoder */
221 vlc_object_destroy( p_dec );
225 * Put a block_t in the decoder's fifo.
227 * \param p_dec the decoder object
228 * \param p_block the data block
230 void input_DecoderDecode( decoder_t * p_dec, block_t *p_block )
232 if( p_dec->p_owner->b_own_thread )
234 if( p_dec->p_owner->p_input->p->b_out_pace_control )
237 while( !p_dec->b_die && !p_dec->b_error &&
238 p_dec->p_owner->p_fifo->i_depth > 10 )
243 else if( p_dec->p_owner->p_fifo->i_size > 50000000 /* 50 MB */ )
245 /* FIXME: ideally we would check the time amount of data
246 * in the fifo instead of its size. */
247 msg_Warn( p_dec, "decoder/packetizer fifo full (data not "
248 "consumed quickly enough), resetting fifo!" );
249 block_FifoEmpty( p_dec->p_owner->p_fifo );
252 block_FifoPut( p_dec->p_owner->p_fifo, p_block );
256 if( p_dec->b_error || (p_block && p_block->i_buffer <= 0) )
258 if( p_block ) block_Release( p_block );
262 DecoderDecode( p_dec, p_block );
267 void input_DecoderDiscontinuity( decoder_t * p_dec )
272 if( p_dec->p_owner->b_own_thread )
274 block_FifoEmpty( p_dec->p_owner->p_fifo );
277 /* Send a special block */
278 p_null = block_New( p_dec, 128 );
279 p_null->i_flags |= BLOCK_FLAG_DISCONTINUITY;
280 memset( p_null->p_buffer, 0, p_null->i_buffer );
282 input_DecoderDecode( p_dec, p_null );
285 vlc_bool_t input_DecoderEmpty( decoder_t * p_dec )
287 if( p_dec->p_owner->b_own_thread && p_dec->p_owner->p_fifo->i_depth > 0 )
294 void input_DecoderPreroll( decoder_t *p_dec, int64_t i_preroll_end )
296 p_dec->p_owner->i_preroll_end = i_preroll_end;
299 * Create a decoder object
301 * \param p_input the input thread
302 * \param p_es the es descriptor
303 * \param i_object_type Object type as define in include/vlc_objects.h
304 * \return the decoder object
306 static decoder_t * CreateDecoder( input_thread_t *p_input,
307 es_format_t *fmt, int i_object_type )
311 p_dec = vlc_object_create( p_input, i_object_type );
314 msg_Err( p_input, "out of memory" );
318 p_dec->pf_decode_audio = 0;
319 p_dec->pf_decode_video = 0;
320 p_dec->pf_decode_sub = 0;
321 p_dec->pf_packetize = 0;
323 /* Initialize the decoder fifo */
324 p_dec->p_module = NULL;
326 memset( &null_es_format, 0, sizeof(es_format_t) );
327 es_format_Copy( &p_dec->fmt_in, fmt );
328 es_format_Copy( &p_dec->fmt_out, &null_es_format );
330 /* Allocate our private structure for the decoder */
331 p_dec->p_owner = malloc( sizeof( decoder_owner_sys_t ) );
332 if( p_dec->p_owner == NULL )
334 msg_Err( p_dec, "out of memory" );
337 p_dec->p_owner->b_own_thread = VLC_TRUE;
338 p_dec->p_owner->i_preroll_end = -1;
339 p_dec->p_owner->p_input = p_input;
340 p_dec->p_owner->p_aout = NULL;
341 p_dec->p_owner->p_aout_input = NULL;
342 p_dec->p_owner->p_vout = NULL;
343 p_dec->p_owner->p_spu_vout = NULL;
344 p_dec->p_owner->i_spu_channel = 0;
345 p_dec->p_owner->p_sout = p_input->p->p_sout;
346 p_dec->p_owner->p_sout_input = NULL;
347 p_dec->p_owner->p_packetizer = NULL;
350 if( ( p_dec->p_owner->p_fifo = block_FifoNew( p_dec ) ) == NULL )
352 msg_Err( p_dec, "out of memory" );
356 /* Set buffers allocation callbacks for the decoders */
357 p_dec->pf_aout_buffer_new = aout_new_buffer;
358 p_dec->pf_aout_buffer_del = aout_del_buffer;
359 p_dec->pf_vout_buffer_new = vout_new_buffer;
360 p_dec->pf_vout_buffer_del = vout_del_buffer;
361 p_dec->pf_picture_link = vout_link_picture;
362 p_dec->pf_picture_unlink = vout_unlink_picture;
363 p_dec->pf_spu_buffer_new = spu_new_buffer;
364 p_dec->pf_spu_buffer_del = spu_del_buffer;
366 vlc_object_attach( p_dec, p_input );
368 /* Find a suitable decoder/packetizer module */
369 if( i_object_type == VLC_OBJECT_DECODER )
370 p_dec->p_module = module_Need( p_dec, "decoder", "$codec", 0 );
372 p_dec->p_module = module_Need( p_dec, "packetizer", "$packetizer", 0 );
374 /* Check if decoder requires already packetized data */
375 if( i_object_type == VLC_OBJECT_DECODER &&
376 p_dec->b_need_packetized && !p_dec->fmt_in.b_packetized )
378 p_dec->p_owner->p_packetizer =
379 vlc_object_create( p_input, VLC_OBJECT_PACKETIZER );
380 if( p_dec->p_owner->p_packetizer )
382 es_format_Copy( &p_dec->p_owner->p_packetizer->fmt_in,
385 es_format_Copy( &p_dec->p_owner->p_packetizer->fmt_out,
388 vlc_object_attach( p_dec->p_owner->p_packetizer, p_input );
390 p_dec->p_owner->p_packetizer->p_module =
391 module_Need( p_dec->p_owner->p_packetizer,
392 "packetizer", "$packetizer", 0 );
394 if( !p_dec->p_owner->p_packetizer->p_module )
396 es_format_Clean( &p_dec->p_owner->p_packetizer->fmt_in );
397 vlc_object_detach( p_dec->p_owner->p_packetizer );
398 vlc_object_destroy( p_dec->p_owner->p_packetizer );
407 * The decoding main loop
409 * \param p_dec the decoder
412 static int DecoderThread( decoder_t * p_dec )
416 /* The decoder's main loop */
417 while( !p_dec->b_die && !p_dec->b_error )
419 if( ( p_block = block_FifoGet( p_dec->p_owner->p_fifo ) ) == NULL )
424 if( DecoderDecode( p_dec, p_block ) != VLC_SUCCESS )
430 while( !p_dec->b_die )
432 /* Trash all received PES packets */
433 p_block = block_FifoGet( p_dec->p_owner->p_fifo );
434 if( p_block ) block_Release( p_block );
437 /* We do it here because of the dll loader that wants close() in the
438 * same thread than open()/decode() */
439 module_Unneed( p_dec, p_dec->p_module );
447 * \param p_dec the decoder object
448 * \param p_block the block to decode
449 * \return VLC_SUCCESS or an error code
451 static int DecoderDecode( decoder_t *p_dec, block_t *p_block )
453 int i_rate = p_block ? p_block->i_rate : 1000;
455 if( p_block && p_block->i_buffer <= 0 )
457 block_Release( p_block );
461 if( p_dec->i_object_type == VLC_OBJECT_PACKETIZER )
463 block_t *p_sout_block;
465 while( ( p_sout_block =
466 p_dec->pf_packetize( p_dec, p_block ? &p_block : 0 ) ) )
468 if( !p_dec->p_owner->p_sout_input )
470 es_format_Copy( &p_dec->p_owner->sout, &p_dec->fmt_out );
472 p_dec->p_owner->sout.i_group = p_dec->fmt_in.i_group;
473 p_dec->p_owner->sout.i_id = p_dec->fmt_in.i_id;
474 if( p_dec->fmt_in.psz_language )
476 if( p_dec->p_owner->sout.psz_language )
477 free( p_dec->p_owner->sout.psz_language );
478 p_dec->p_owner->sout.psz_language =
479 strdup( p_dec->fmt_in.psz_language );
482 p_dec->p_owner->p_sout_input =
483 sout_InputNew( p_dec->p_owner->p_sout,
484 &p_dec->p_owner->sout );
486 if( p_dec->p_owner->p_sout_input == NULL )
488 msg_Err( p_dec, "cannot create packetizer output (%4.4s)",
489 (char *)&p_dec->p_owner->sout.i_codec );
490 p_dec->b_error = VLC_TRUE;
492 while( p_sout_block )
494 block_t *p_next = p_sout_block->p_next;
495 block_Release( p_sout_block );
496 p_sout_block = p_next;
502 while( p_sout_block )
504 block_t *p_next = p_sout_block->p_next;
506 p_sout_block->p_next = NULL;
507 p_sout_block->i_rate = i_rate;
509 sout_InputSendBuffer( p_dec->p_owner->p_sout_input,
512 p_sout_block = p_next;
515 /* For now it's enough, as only sout inpact on this flag */
516 if( p_dec->p_owner->p_sout->i_out_pace_nocontrol > 0 &&
517 p_dec->p_owner->p_input->p->b_out_pace_control )
519 msg_Dbg( p_dec, "switching to sync mode" );
520 p_dec->p_owner->p_input->p->b_out_pace_control = VLC_FALSE;
522 else if( p_dec->p_owner->p_sout->i_out_pace_nocontrol <= 0 &&
523 !p_dec->p_owner->p_input->p->b_out_pace_control )
525 msg_Dbg( p_dec, "switching to async mode" );
526 p_dec->p_owner->p_input->p->b_out_pace_control = VLC_TRUE;
530 else if( p_dec->fmt_in.i_cat == AUDIO_ES )
532 aout_buffer_t *p_aout_buf;
534 if( p_dec->p_owner->p_packetizer )
536 block_t *p_packetized_block;
537 decoder_t *p_packetizer = p_dec->p_owner->p_packetizer;
539 while( (p_packetized_block =
540 p_packetizer->pf_packetize( p_packetizer, &p_block )) )
542 if( p_packetizer->fmt_out.i_extra && !p_dec->fmt_in.i_extra )
544 es_format_Clean( &p_dec->fmt_in );
545 es_format_Copy( &p_dec->fmt_in, &p_packetizer->fmt_out );
548 while( p_packetized_block )
550 block_t *p_next = p_packetized_block->p_next;
551 p_packetized_block->p_next = NULL;
552 p_packetized_block->i_rate = i_rate;
554 while( (p_aout_buf = p_dec->pf_decode_audio( p_dec,
555 &p_packetized_block )) )
557 input_thread_t *p_i =(input_thread_t*)(p_dec->p_parent);
558 vlc_mutex_lock( &p_i->p->counters.counters_lock );
559 stats_UpdateInteger( p_dec,
560 p_i->p->counters.p_decoded_audio, 1, NULL );
561 vlc_mutex_unlock( &p_i->p->counters.counters_lock );
563 /* FIXME the best would be to handle the case
564 * start_date < preroll < end_date
565 * but that's not easy with non raw audio stream */
566 if( p_dec->p_owner->i_preroll_end > 0 &&
567 p_aout_buf->start_date < p_dec->p_owner->i_preroll_end )
569 aout_DecDeleteBuffer( p_dec->p_owner->p_aout,
570 p_dec->p_owner->p_aout_input, p_aout_buf );
574 p_dec->p_owner->i_preroll_end = -1;
575 aout_DecPlay( p_dec->p_owner->p_aout,
576 p_dec->p_owner->p_aout_input,
581 p_packetized_block = p_next;
585 else while( (p_aout_buf = p_dec->pf_decode_audio( p_dec, &p_block )) )
587 input_thread_t *p_i = (input_thread_t*)(p_dec->p_parent);
588 vlc_mutex_lock( &p_i->p->counters.counters_lock );
589 stats_UpdateInteger( p_dec,
590 p_i->p->counters.p_decoded_audio, 1, NULL );
591 vlc_mutex_unlock( &p_i->p->counters.counters_lock );
593 if( p_dec->p_owner->i_preroll_end > 0 &&
594 p_aout_buf->start_date < p_dec->p_owner->i_preroll_end )
596 aout_DecDeleteBuffer( p_dec->p_owner->p_aout,
597 p_dec->p_owner->p_aout_input, p_aout_buf );
601 p_dec->p_owner->i_preroll_end = -1;
602 aout_DecPlay( p_dec->p_owner->p_aout,
603 p_dec->p_owner->p_aout_input,
608 else if( p_dec->fmt_in.i_cat == VIDEO_ES )
612 if( p_dec->p_owner->p_packetizer )
614 block_t *p_packetized_block;
615 decoder_t *p_packetizer = p_dec->p_owner->p_packetizer;
617 while( (p_packetized_block =
618 p_packetizer->pf_packetize( p_packetizer, &p_block )) )
620 if( p_packetizer->fmt_out.i_extra && !p_dec->fmt_in.i_extra )
622 es_format_Clean( &p_dec->fmt_in );
623 es_format_Copy( &p_dec->fmt_in, &p_packetizer->fmt_out );
626 while( p_packetized_block )
628 block_t *p_next = p_packetized_block->p_next;
629 p_packetized_block->p_next = NULL;
630 p_packetized_block->i_rate = i_rate;
632 while( (p_pic = p_dec->pf_decode_video( p_dec,
633 &p_packetized_block )) )
635 input_thread_t *p_i =(input_thread_t*)(p_dec->p_parent);
636 vlc_mutex_lock( &p_i->p->counters.counters_lock );
637 stats_UpdateInteger( p_dec,
638 p_i->p->counters.p_decoded_video, 1, NULL );
639 vlc_mutex_unlock( &p_i->p->counters.counters_lock );
641 if( p_dec->p_owner->i_preroll_end > 0 &&
642 p_pic->date < p_dec->p_owner->i_preroll_end )
644 vout_DestroyPicture( p_dec->p_owner->p_vout, p_pic );
648 p_dec->p_owner->i_preroll_end = -1;
649 vout_DatePicture( p_dec->p_owner->p_vout, p_pic,
651 vout_DisplayPicture( p_dec->p_owner->p_vout, p_pic );
655 p_packetized_block = p_next;
659 else while( (p_pic = p_dec->pf_decode_video( p_dec, &p_block )) )
661 input_thread_t *p_i = (input_thread_t*)(p_dec->p_parent);
662 vlc_mutex_lock( &p_i->p->counters.counters_lock );
663 stats_UpdateInteger( p_dec,
664 p_i->p->counters.p_decoded_video, 1, NULL );
665 vlc_mutex_unlock( &p_i->p->counters.counters_lock );
667 if( p_dec->p_owner->i_preroll_end > 0 &&
668 p_pic->date < p_dec->p_owner->i_preroll_end )
670 vout_DestroyPicture( p_dec->p_owner->p_vout, p_pic );
674 p_dec->p_owner->i_preroll_end = -1;
675 vout_DatePicture( p_dec->p_owner->p_vout, p_pic, p_pic->date );
676 vout_DisplayPicture( p_dec->p_owner->p_vout, p_pic );
680 else if( p_dec->fmt_in.i_cat == SPU_ES )
682 vout_thread_t *p_vout;
684 while( (p_spu = p_dec->pf_decode_sub( p_dec, &p_block ) ) )
686 input_thread_t *p_i = (input_thread_t*)(p_dec->p_parent);
687 vlc_mutex_lock( &p_i->p->counters.counters_lock );
688 stats_UpdateInteger( p_dec,
689 p_i->p->counters.p_decoded_sub, 1, NULL );
690 vlc_mutex_unlock( &p_i->p->counters.counters_lock );
692 if( p_dec->p_owner->i_preroll_end > 0 &&
693 p_spu->i_start < p_dec->p_owner->i_preroll_end &&
694 ( p_spu->i_stop <= 0 || p_spu->i_stop <= p_dec->p_owner->i_preroll_end ) )
696 spu_DestroySubpicture( p_dec->p_owner->p_vout->p_spu, p_spu );
700 p_dec->p_owner->i_preroll_end = -1;
701 p_vout = vlc_object_find( p_dec, VLC_OBJECT_VOUT, FIND_ANYWHERE );
704 spu_DisplaySubpicture( p_vout->p_spu, p_spu );
705 vlc_object_release( p_vout );
711 msg_Err( p_dec, "unknown ES format" );
715 return p_dec->b_error ? VLC_EGENERIC : VLC_SUCCESS;
719 * Destroys a decoder object
721 * \param p_dec the decoder object
724 static void DeleteDecoder( decoder_t * p_dec )
726 msg_Dbg( p_dec, "killing decoder fourcc `%4.4s', %d PES in FIFO",
727 (char*)&p_dec->fmt_in.i_codec,
728 p_dec->p_owner->p_fifo->i_depth );
730 /* Free all packets still in the decoder fifo. */
731 block_FifoEmpty( p_dec->p_owner->p_fifo );
732 block_FifoRelease( p_dec->p_owner->p_fifo );
735 if( p_dec->p_owner->p_aout_input )
736 aout_DecDelete( p_dec->p_owner->p_aout, p_dec->p_owner->p_aout_input );
738 if( p_dec->p_owner->p_vout )
742 #define p_pic p_dec->p_owner->p_vout->render.pp_picture[i_pic]
743 /* Hack to make sure all the the pictures are freed by the decoder */
744 for( i_pic = 0; i_pic < p_dec->p_owner->p_vout->render.i_pictures;
747 if( p_pic->i_status == RESERVED_PICTURE )
748 vout_DestroyPicture( p_dec->p_owner->p_vout, p_pic );
749 if( p_pic->i_refcount > 0 )
750 vout_UnlinkPicture( p_dec->p_owner->p_vout, p_pic );
754 /* We are about to die. Reattach video output to p_vlc. */
755 vout_Request( p_dec, p_dec->p_owner->p_vout, 0 );
758 if( p_dec->p_owner->p_sout_input )
760 sout_InputDelete( p_dec->p_owner->p_sout_input );
761 es_format_Clean( &p_dec->p_owner->sout );
764 if( p_dec->fmt_in.i_cat == SPU_ES )
766 vout_thread_t *p_vout;
768 p_vout = vlc_object_find( p_dec, VLC_OBJECT_VOUT, FIND_ANYWHERE );
771 spu_Control( p_vout->p_spu, SPU_CHANNEL_CLEAR,
772 p_dec->p_owner->i_spu_channel );
773 vlc_object_release( p_vout );
777 es_format_Clean( &p_dec->fmt_in );
778 es_format_Clean( &p_dec->fmt_out );
780 if( p_dec->p_owner->p_packetizer )
782 module_Unneed( p_dec->p_owner->p_packetizer,
783 p_dec->p_owner->p_packetizer->p_module );
784 es_format_Clean( &p_dec->p_owner->p_packetizer->fmt_in );
785 es_format_Clean( &p_dec->p_owner->p_packetizer->fmt_out );
786 vlc_object_detach( p_dec->p_owner->p_packetizer );
787 vlc_object_destroy( p_dec->p_owner->p_packetizer );
790 vlc_object_detach( p_dec );
792 free( p_dec->p_owner );
795 /*****************************************************************************
796 * Buffers allocation callbacks for the decoders
797 *****************************************************************************/
798 static aout_buffer_t *aout_new_buffer( decoder_t *p_dec, int i_samples )
800 decoder_owner_sys_t *p_sys = (decoder_owner_sys_t *)p_dec->p_owner;
801 aout_buffer_t *p_buffer;
803 if( p_sys->p_aout_input != NULL &&
804 ( p_dec->fmt_out.audio.i_rate != p_sys->audio.i_rate ||
805 p_dec->fmt_out.audio.i_original_channels !=
806 p_sys->audio.i_original_channels ||
807 p_dec->fmt_out.audio.i_bytes_per_frame !=
808 p_sys->audio.i_bytes_per_frame ) )
810 /* Parameters changed, restart the aout */
811 aout_DecDelete( p_sys->p_aout, p_sys->p_aout_input );
812 p_sys->p_aout_input = NULL;
815 if( p_sys->p_aout_input == NULL )
817 audio_sample_format_t format;
818 int i_force_dolby = config_GetInt( p_dec, "force-dolby-surround" );
820 p_dec->fmt_out.audio.i_format = p_dec->fmt_out.i_codec;
821 p_sys->audio = p_dec->fmt_out.audio;
823 memcpy( &format, &p_sys->audio, sizeof( audio_sample_format_t ) );
824 if ( i_force_dolby && (format.i_original_channels&AOUT_CHAN_PHYSMASK)
825 == (AOUT_CHAN_LEFT|AOUT_CHAN_RIGHT) )
827 if ( i_force_dolby == 1 )
829 format.i_original_channels = format.i_original_channels |
830 AOUT_CHAN_DOLBYSTEREO;
832 else /* i_force_dolby == 2 */
834 format.i_original_channels = format.i_original_channels &
835 ~AOUT_CHAN_DOLBYSTEREO;
839 p_sys->p_aout_input =
840 aout_DecNew( p_dec, &p_sys->p_aout, &format );
841 if( p_sys->p_aout_input == NULL )
843 msg_Err( p_dec, "failed to create audio output" );
844 p_dec->b_error = VLC_TRUE;
847 p_dec->fmt_out.audio.i_bytes_per_frame =
848 p_sys->audio.i_bytes_per_frame;
851 p_buffer = aout_DecNewBuffer( p_sys->p_aout, p_sys->p_aout_input,
857 static void aout_del_buffer( decoder_t *p_dec, aout_buffer_t *p_buffer )
859 aout_DecDeleteBuffer( p_dec->p_owner->p_aout,
860 p_dec->p_owner->p_aout_input, p_buffer );
863 static picture_t *vout_new_buffer( decoder_t *p_dec )
865 decoder_owner_sys_t *p_sys = (decoder_owner_sys_t *)p_dec->p_owner;
868 if( p_sys->p_vout == NULL ||
869 p_dec->fmt_out.video.i_width != p_sys->video.i_width ||
870 p_dec->fmt_out.video.i_height != p_sys->video.i_height ||
871 p_dec->fmt_out.video.i_chroma != p_sys->video.i_chroma ||
872 p_dec->fmt_out.video.i_aspect != p_sys->video.i_aspect )
874 if( !p_dec->fmt_out.video.i_width ||
875 !p_dec->fmt_out.video.i_height )
877 /* Can't create a new vout without display size */
881 if( !p_dec->fmt_out.video.i_visible_width ||
882 !p_dec->fmt_out.video.i_visible_height )
884 if( p_dec->fmt_in.video.i_visible_width &&
885 p_dec->fmt_in.video.i_visible_height )
887 p_dec->fmt_out.video.i_visible_width =
888 p_dec->fmt_in.video.i_visible_width;
889 p_dec->fmt_out.video.i_visible_height =
890 p_dec->fmt_in.video.i_visible_height;
894 p_dec->fmt_out.video.i_visible_width =
895 p_dec->fmt_out.video.i_width;
896 p_dec->fmt_out.video.i_visible_height =
897 p_dec->fmt_out.video.i_height;
901 if( p_dec->fmt_out.video.i_visible_height == 1088 &&
902 var_CreateGetBool( p_dec, "hdtv-fix" ) )
904 p_dec->fmt_out.video.i_visible_height = 1080;
905 p_dec->fmt_out.video.i_sar_num *= 135;
906 p_dec->fmt_out.video.i_sar_den *= 136;
907 msg_Warn( p_dec, "Fixing broken HDTV stream (display_height=1088)");
910 if( !p_dec->fmt_out.video.i_sar_num ||
911 !p_dec->fmt_out.video.i_sar_den )
913 p_dec->fmt_out.video.i_sar_num = p_dec->fmt_out.video.i_aspect *
914 p_dec->fmt_out.video.i_visible_height;
916 p_dec->fmt_out.video.i_sar_den = VOUT_ASPECT_FACTOR *
917 p_dec->fmt_out.video.i_visible_width;
920 vlc_ureduce( &p_dec->fmt_out.video.i_sar_num,
921 &p_dec->fmt_out.video.i_sar_den,
922 p_dec->fmt_out.video.i_sar_num,
923 p_dec->fmt_out.video.i_sar_den, 50000 );
925 p_dec->fmt_out.video.i_chroma = p_dec->fmt_out.i_codec;
926 p_sys->video = p_dec->fmt_out.video;
928 p_sys->p_vout = vout_Request( p_dec, p_sys->p_vout,
929 &p_dec->fmt_out.video );
930 if( p_sys->p_vout == NULL )
932 msg_Err( p_dec, "failed to create video output" );
933 p_dec->b_error = VLC_TRUE;
937 if( p_sys->video.i_rmask )
938 p_sys->p_vout->render.i_rmask = p_sys->video.i_rmask;
939 if( p_sys->video.i_gmask )
940 p_sys->p_vout->render.i_gmask = p_sys->video.i_gmask;
941 if( p_sys->video.i_bmask )
942 p_sys->p_vout->render.i_bmask = p_sys->video.i_bmask;
945 /* Get a new picture */
946 while( !(p_pic = vout_CreatePicture( p_sys->p_vout, 0, 0, 0 ) ) )
948 int i_pic, i_ready_pic = 0;
950 if( p_dec->b_die || p_dec->b_error )
955 #define p_pic p_dec->p_owner->p_vout->render.pp_picture[i_pic]
956 /* Check the decoder doesn't leak pictures */
957 for( i_pic = 0; i_pic < p_dec->p_owner->p_vout->render.i_pictures;
960 if( p_pic->i_status == READY_PICTURE )
962 if( i_ready_pic++ > 0 ) break;
966 if( p_pic->i_status != DISPLAYED_PICTURE &&
967 p_pic->i_status != RESERVED_PICTURE &&
968 p_pic->i_status != READY_PICTURE ) break;
970 if( !p_pic->i_refcount && p_pic->i_status != RESERVED_PICTURE )
973 if( i_pic == p_dec->p_owner->p_vout->render.i_pictures )
975 msg_Err( p_dec, "decoder is leaking pictures, resetting the heap" );
977 /* Just free all the pictures */
978 for( i_pic = 0; i_pic < p_dec->p_owner->p_vout->render.i_pictures;
981 if( p_pic->i_status == RESERVED_PICTURE )
982 vout_DestroyPicture( p_dec->p_owner->p_vout, p_pic );
983 if( p_pic->i_refcount > 0 )
984 vout_UnlinkPicture( p_dec->p_owner->p_vout, p_pic );
989 msleep( VOUT_OUTMEM_SLEEP );
995 static void vout_del_buffer( decoder_t *p_dec, picture_t *p_pic )
997 vout_DestroyPicture( p_dec->p_owner->p_vout, p_pic );
1000 static void vout_link_picture( decoder_t *p_dec, picture_t *p_pic )
1002 vout_LinkPicture( p_dec->p_owner->p_vout, p_pic );
1005 static void vout_unlink_picture( decoder_t *p_dec, picture_t *p_pic )
1007 vout_UnlinkPicture( p_dec->p_owner->p_vout, p_pic );
1010 static subpicture_t *spu_new_buffer( decoder_t *p_dec )
1012 decoder_owner_sys_t *p_sys = (decoder_owner_sys_t *)p_dec->p_owner;
1013 vout_thread_t *p_vout = NULL;
1014 subpicture_t *p_subpic;
1015 int i_attempts = 30;
1017 while( i_attempts-- )
1019 if( p_dec->b_die || p_dec->b_error ) break;
1021 p_vout = vlc_object_find( p_dec, VLC_OBJECT_VOUT, FIND_ANYWHERE );
1024 msleep( VOUT_DISPLAY_DELAY );
1029 msg_Warn( p_dec, "no vout found, dropping subpicture" );
1033 if( p_sys->p_spu_vout != p_vout )
1035 spu_Control( p_vout->p_spu, SPU_CHANNEL_REGISTER,
1036 &p_sys->i_spu_channel );
1037 p_sys->p_spu_vout = p_vout;
1040 p_subpic = spu_CreateSubpicture( p_vout->p_spu );
1043 p_subpic->i_channel = p_sys->i_spu_channel;
1046 vlc_object_release( p_vout );
1051 static void spu_del_buffer( decoder_t *p_dec, subpicture_t *p_subpic )
1053 decoder_owner_sys_t *p_sys = (decoder_owner_sys_t *)p_dec->p_owner;
1054 vout_thread_t *p_vout = NULL;
1056 p_vout = vlc_object_find( p_dec, VLC_OBJECT_VOUT, FIND_ANYWHERE );
1057 if( !p_vout || p_sys->p_spu_vout != p_vout )
1060 vlc_object_release( p_vout );
1061 msg_Warn( p_dec, "no vout found, leaking subpicture" );
1065 spu_DestroySubpicture( p_vout->p_spu, p_subpic );
1067 vlc_object_release( p_vout );