1 /*****************************************************************************
2 * input_programs.c: es_descriptor_t, pgrm_descriptor_t management
3 *****************************************************************************
4 * Copyright (C) 1999, 2000 VideoLAN
5 * $Id: input_programs.c,v 1.25 2001/01/12 17:33:18 massiot Exp $
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
39 #include "stream_control.h"
40 #include "input_ext-intf.h"
41 #include "input_ext-dec.h"
44 #include "main.h" /* --noaudio --novideo */
47 * NOTICE : all of these functions expect you to have taken the lock on
48 * p_input->stream.lock
51 /*****************************************************************************
52 * input_InitStream: init the stream descriptor of the given input
53 *****************************************************************************/
54 void input_InitStream( input_thread_t * p_input, size_t i_data_len )
56 p_input->stream.i_stream_id = 0;
57 p_input->stream.pp_es = NULL;
58 p_input->stream.pp_selected_es = NULL;
59 p_input->stream.pp_programs = NULL;
63 if ( (p_input->stream.p_demux_data = malloc( i_data_len )) == NULL )
65 intf_ErrMsg( "Unable to allocate memory in input_InitStream");
66 /* FIXME : find a way to tell if failed */
69 memset( p_input->stream.p_demux_data, 0, i_data_len );
73 /*****************************************************************************
74 * input_EndStream: free all stream descriptors
75 *****************************************************************************/
76 void input_EndStream( input_thread_t * p_input )
78 /* Free all programs and associated ES, and associated decoders. */
79 while( p_input->stream.i_pgrm_number )
81 input_DelProgram( p_input, p_input->stream.pp_programs[0] );
84 /* Free standalone ES */
85 while( p_input->stream.i_es_number )
87 input_DelES( p_input, p_input->stream.pp_es[0] );
91 /*****************************************************************************
92 * input_FindProgram: returns a pointer to a program described by its ID
93 *****************************************************************************/
94 pgrm_descriptor_t * input_FindProgram( input_thread_t * p_input, u16 i_pgrm_id )
98 for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
100 if( p_input->stream.pp_programs[i]->i_number == i_pgrm_id )
102 return p_input->stream.pp_programs[i];
109 /*****************************************************************************
110 * input_AddProgram: add and init a program descriptor
111 *****************************************************************************
112 * This program descriptor will be referenced in the given stream descriptor
113 *****************************************************************************/
114 pgrm_descriptor_t * input_AddProgram( input_thread_t * p_input,
115 u16 i_pgrm_id, size_t i_data_len )
117 /* Where to add the pgrm */
118 int i_pgrm_index = p_input->stream.i_pgrm_number;
120 intf_DbgMsg("Adding description for pgrm %d", i_pgrm_id);
122 /* Add an entry to the list of program associated with the stream */
123 p_input->stream.i_pgrm_number++;
124 p_input->stream.pp_programs = realloc( p_input->stream.pp_programs,
125 p_input->stream.i_pgrm_number
126 * sizeof(pgrm_descriptor_t *) );
127 if( p_input->stream.pp_programs == NULL )
129 intf_ErrMsg( "Unable to realloc memory in input_AddProgram" );
133 /* Allocate the structure to store this description */
134 p_input->stream.pp_programs[i_pgrm_index] =
135 malloc( sizeof(pgrm_descriptor_t) );
136 if( p_input->stream.pp_programs[i_pgrm_index] == NULL )
138 intf_ErrMsg( "Unable to allocate memory in input_AddProgram" );
142 /* Init this entry */
143 p_input->stream.pp_programs[i_pgrm_index]->i_number = i_pgrm_id;
144 p_input->stream.pp_programs[i_pgrm_index]->b_is_ok = 0;
145 p_input->stream.pp_programs[i_pgrm_index]->i_version = 0;
147 p_input->stream.pp_programs[i_pgrm_index]->i_es_number = 0;
148 p_input->stream.pp_programs[i_pgrm_index]->pp_es = NULL;
150 p_input->stream.pp_programs[i_pgrm_index]->delta_cr = 0;
151 p_input->stream.pp_programs[i_pgrm_index]->delta_absolute = 0;
152 p_input->stream.pp_programs[i_pgrm_index]->last_cr = 0;
153 p_input->stream.pp_programs[i_pgrm_index]->c_average_count = 0;
154 p_input->stream.pp_programs[i_pgrm_index]->i_synchro_state
155 = SYNCHRO_NOT_STARTED;
156 p_input->stream.pp_programs[i_pgrm_index]->b_discontinuity = 0;
158 p_input->stream.pp_programs[i_pgrm_index]->p_vout
159 = p_input->p_default_vout;
160 p_input->stream.pp_programs[i_pgrm_index]->p_aout
161 = p_input->p_default_aout;
165 p_input->stream.pp_programs[i_pgrm_index]->p_demux_data =
166 malloc( i_data_len );
167 if( p_input->stream.pp_programs[i_pgrm_index]->p_demux_data == NULL )
169 intf_ErrMsg( "Unable to allocate memory in input_AddProgram" );
172 memset( p_input->stream.pp_programs[i_pgrm_index]->p_demux_data, 0,
176 return p_input->stream.pp_programs[i_pgrm_index];
179 /*****************************************************************************
180 * input_DelProgram: destroy a program descriptor
181 *****************************************************************************
182 * All ES descriptions referenced in the descriptor will be deleted.
183 *****************************************************************************/
184 void input_DelProgram( input_thread_t * p_input, pgrm_descriptor_t * p_pgrm )
190 intf_DbgMsg("Deleting description for pgrm %d", p_pgrm->i_number);
192 /* Free the structures that describe the es that belongs to that program */
193 while( p_pgrm->i_es_number )
195 input_DelES( p_input, p_pgrm->pp_es[0] );
198 /* Free the demux data */
199 if( p_pgrm->p_demux_data != NULL )
201 free( p_pgrm->p_demux_data );
204 /* Find the program in the programs table */
205 for( i_pgrm_index = 0; i_pgrm_index < p_input->stream.i_pgrm_number;
208 if( p_input->stream.pp_programs[i_pgrm_index] == p_pgrm )
212 /* Remove this program from the stream's list of programs */
213 p_input->stream.i_pgrm_number--;
215 p_input->stream.pp_programs[i_pgrm_index] =
216 p_input->stream.pp_programs[p_input->stream.i_pgrm_number];
217 p_input->stream.pp_programs = realloc( p_input->stream.pp_programs,
218 p_input->stream.i_pgrm_number
219 * sizeof(pgrm_descriptor_t *) );
221 if( p_input->stream.i_pgrm_number && p_input->stream.pp_programs == NULL)
223 intf_ErrMsg( "input error: unable to realloc program list"
224 " in input_DelProgram" );
227 /* Free the description of this program */
231 /*****************************************************************************
232 * input_FindES: returns a pointer to an ES described by its ID
233 *****************************************************************************/
234 es_descriptor_t * input_FindES( input_thread_t * p_input, u16 i_es_id )
238 for( i = 0; i < p_input->stream.i_es_number; i++ )
240 if( p_input->stream.pp_es[i]->i_id == i_es_id )
242 return p_input->stream.pp_es[i];
249 /*****************************************************************************
251 *****************************************************************************
252 * Reserve a slot in the table of ES descriptors for the ES and add it to the
253 * list of ES of p_pgrm. If p_pgrm if NULL, then the ES is considered as stand
255 *****************************************************************************/
256 es_descriptor_t * input_AddES( input_thread_t * p_input,
257 pgrm_descriptor_t * p_pgrm, u16 i_es_id,
260 es_descriptor_t * p_es;
262 intf_DbgMsg("Adding description for ES 0x%x", i_es_id);
264 p_es = (es_descriptor_t *)malloc( sizeof(es_descriptor_t) );
267 intf_ErrMsg( "Unable to allocate memory in input_AddES" );
270 p_input->stream.i_es_number++;
271 p_input->stream.pp_es = realloc( p_input->stream.pp_es,
272 p_input->stream.i_es_number
273 * sizeof(es_descriptor_t *) );
274 if( p_input->stream.pp_es == NULL )
276 intf_ErrMsg( "Unable to realloc memory in input_AddES" );
279 p_input->stream.pp_es[p_input->stream.i_es_number - 1] = p_es;
280 p_es->i_id = i_es_id;
282 /* Init its values */
283 p_es->b_discontinuity = 0;
285 p_es->p_decoder_fifo = NULL;
289 p_es->p_demux_data = malloc( i_data_len );
290 if( p_es->p_demux_data == NULL )
292 intf_ErrMsg( "Unable to allocate memory in input_AddES" );
295 memset( p_es->p_demux_data, 0, i_data_len );
299 p_es->p_demux_data = NULL;
302 /* Add this ES to the program definition if one is given */
305 p_pgrm->i_es_number++;
306 p_pgrm->pp_es = realloc( p_pgrm->pp_es,
308 * sizeof(es_descriptor_t *) );
309 if( p_pgrm->pp_es == NULL )
311 intf_ErrMsg( "Unable to realloc memory in input_AddES" );
314 p_pgrm->pp_es[p_pgrm->i_es_number - 1] = p_es;
315 p_es->p_pgrm = p_pgrm;
325 /*****************************************************************************
327 *****************************************************************************/
328 void input_DelES( input_thread_t * p_input, es_descriptor_t * p_es )
330 int i_index, i_es_index;
331 pgrm_descriptor_t * p_pgrm;
334 p_pgrm = p_es->p_pgrm;
336 /* Kill associated decoder, if any. */
337 if( p_es->p_decoder_fifo != NULL )
339 input_EndDecoder( p_input, p_es );
342 /* Remove this ES from the description of the program if it is associated to
346 for( i_index = 0; i_index < p_pgrm->i_es_number; i_index++ )
348 if( p_pgrm->pp_es[i_index] == p_es )
350 p_pgrm->i_es_number--;
351 p_pgrm->pp_es[i_index] = p_pgrm->pp_es[p_pgrm->i_es_number];
352 p_pgrm->pp_es = realloc( p_pgrm->pp_es,
354 * sizeof(es_descriptor_t *));
355 if( p_pgrm->i_es_number && p_pgrm->pp_es == NULL )
357 intf_ErrMsg( "Unable to realloc memory in input_DelES" );
364 /* Free the demux data */
365 if( p_es->p_demux_data != NULL )
367 free( p_es->p_demux_data );
370 /* Find the ES in the ES table */
371 for( i_es_index = 0; i_es_index < p_input->stream.i_es_number;
374 if( p_input->stream.pp_es[i_es_index] == p_es )
380 p_input->stream.i_es_number--;
381 p_input->stream.pp_es[i_es_index] =
382 p_input->stream.pp_es[p_input->stream.i_es_number];
383 p_input->stream.pp_es = realloc( p_input->stream.pp_es,
384 p_input->stream.i_es_number
385 * sizeof(es_descriptor_t *));
386 if( p_input->stream.i_es_number && p_input->stream.pp_es == NULL )
388 intf_ErrMsg( "Unable to realloc memory in input_DelES" );
394 /*****************************************************************************
395 * input_DumpStream: dumps the contents of a stream descriptor
396 *****************************************************************************/
397 void input_DumpStream( input_thread_t * p_input )
400 #define S p_input->stream
401 intf_Msg( "input info: Dumping stream ID 0x%x", S.i_stream_id );
403 intf_Msg( "input info: seekable stream, position: %d/%d",
404 S.i_tell, S.i_size );
406 intf_Msg( "input info: %s", S.b_pace_control ? "pace controlled" :
407 "pace un-controlled" );
409 for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
411 #define P p_input->stream.pp_programs[i]
412 intf_Msg( "input info: Dumping program 0x%x, version %d (%s)",
413 P->i_number, P->i_version,
414 P->b_is_ok ? "complete" : "partial" );
415 if( P->i_synchro_state == SYNCHRO_OK )
416 intf_Msg( "input info: synchro absolute delta : %lld (jitter : %lld)",
417 P->delta_absolute, P->delta_cr );
419 for( j = 0; j < p_input->stream.pp_programs[i]->i_es_number; j++ )
421 #define ES p_input->stream.pp_programs[i]->pp_es[j]
422 intf_Msg( "input info: ES 0x%x, stream 0x%x, type 0x%x, %s",
423 ES->i_id, ES->i_stream_id, ES->i_type,
424 ES->p_decoder_fifo != NULL ? "selected" : "not selected");
431 /*****************************************************************************
432 * InitDecConfig: initializes a decoder_config_t
433 *****************************************************************************/
434 static int InitDecConfig( input_thread_t * p_input, es_descriptor_t * p_es,
435 decoder_config_t * p_config )
437 p_config->i_id = p_es->i_id;
438 p_config->i_type = p_es->i_type;
439 p_config->p_stream_ctrl =
440 &p_input->stream.control;
443 if( (p_config->p_decoder_fifo =
444 (decoder_fifo_t *)malloc( sizeof(decoder_fifo_t) )) == NULL )
446 intf_ErrMsg( "Out of memory" );
450 vlc_mutex_init(&p_config->p_decoder_fifo->data_lock);
451 vlc_cond_init(&p_config->p_decoder_fifo->data_wait);
452 p_config->p_decoder_fifo->i_start = p_config->p_decoder_fifo->i_end = 0;
453 p_config->p_decoder_fifo->b_die = p_config->p_decoder_fifo->b_error = 0;
454 p_config->p_decoder_fifo->p_packets_mgt = p_input->p_method_data;
455 p_config->p_decoder_fifo->pf_delete_pes =
456 p_input->p_plugin->pf_delete_pes;
457 p_es->p_decoder_fifo = p_config->p_decoder_fifo;
459 p_config->pf_init_bit_stream = InitBitstream;
464 /*****************************************************************************
465 * GetVdecConfig: returns a valid vdec_config_t
466 *****************************************************************************/
467 static vdec_config_t * GetVdecConfig( input_thread_t * p_input,
468 es_descriptor_t * p_es )
470 vdec_config_t * p_config;
472 p_config = (vdec_config_t *)malloc( sizeof(vdec_config_t) );
473 if( p_config == NULL )
475 intf_ErrMsg( "Unable to allocate memory in GetVdecConfig" );
478 p_config->p_vout = p_input->p_default_vout;
479 if( InitDecConfig( p_input, p_es, &p_config->decoder_config ) == -1 )
488 /*****************************************************************************
489 * GetAdecConfig: returns a valid adec_config_t
490 *****************************************************************************/
491 static adec_config_t * GetAdecConfig( input_thread_t * p_input,
492 es_descriptor_t * p_es )
494 adec_config_t * p_config;
496 p_config = (adec_config_t *)malloc( sizeof(adec_config_t));
497 if( p_config == NULL )
499 intf_ErrMsg( "Unable to allocate memory in GetAdecConfig" );
502 p_config->p_aout = p_input->p_default_aout;
503 if( InitDecConfig( p_input, p_es, &p_config->decoder_config ) == -1 )
512 /*****************************************************************************
513 * input_SelectES: selects an ES and spawns the associated decoder
514 *****************************************************************************/
516 vlc_thread_t adec_CreateThread( void * );
517 vlc_thread_t ac3dec_CreateThread( void * );
518 vlc_thread_t vpar_CreateThread( void * );
519 vlc_thread_t spudec_CreateThread( void * );
521 int input_SelectES( input_thread_t * p_input, es_descriptor_t * p_es )
524 decoder_capabilities_t decoder;
527 intf_DbgMsg( "Selecting ES 0x%x", p_es->i_id );
530 if( p_es->p_decoder_fifo != NULL )
532 intf_ErrMsg( "ES %d is already selected", p_es->i_id );
536 switch( p_es->i_type )
540 if( p_main->b_audio )
542 decoder.pf_create_thread = adec_CreateThread;
543 p_es->thread_id = input_RunDecoder( &decoder,
544 (void *)GetAdecConfig( p_input, p_es ) );
550 if( p_main->b_video )
552 decoder.pf_create_thread = vpar_CreateThread;
553 p_es->thread_id = input_RunDecoder( &decoder,
554 (void *)GetVdecConfig( p_input, p_es ) );
559 if( p_main->b_audio )
561 decoder.pf_create_thread = ac3dec_CreateThread;
562 p_es->thread_id = input_RunDecoder( &decoder,
563 (void *)GetAdecConfig( p_input, p_es ) );
568 if( p_main->b_video )
570 decoder.pf_create_thread = spudec_CreateThread;
571 p_es->thread_id = input_RunDecoder( &decoder,
572 (void *)GetVdecConfig( p_input, p_es ) );
577 intf_ErrMsg( "Unknown stream type %d", p_es->i_type );
582 if( p_es->p_decoder_fifo != NULL )
584 p_input->stream.i_selected_es_number++;
585 p_input->stream.pp_selected_es = realloc(
586 p_input->stream.pp_selected_es,
587 p_input->stream.i_selected_es_number
588 * sizeof(es_descriptor_t *) );
589 if( p_input->stream.pp_selected_es == NULL )
591 intf_ErrMsg( "Unable to realloc memory in input_SelectES" );
594 p_input->stream.pp_selected_es[p_input->stream.i_selected_es_number - 1]