1 /*****************************************************************************
2 * es_out.c: Es Out handler for input.
3 *****************************************************************************
4 * Copyright (C) 2003-2004 VideoLAN
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
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 *****************************************************************************/
30 #include <vlc/input.h>
31 #include <vlc/decoder.h>
33 #include "vlc_playlist.h"
37 /*****************************************************************************
39 *****************************************************************************/
43 es_descriptor_t *p_es;
48 input_thread_t *p_input;
71 es_out_id_t *p_es_audio;
72 es_out_id_t *p_es_video;
73 es_out_id_t *p_es_sub;
76 static es_out_id_t *EsOutAdd ( es_out_t *, es_format_t * );
77 static int EsOutSend ( es_out_t *, es_out_id_t *, block_t * );
78 static void EsOutDel ( es_out_t *, es_out_id_t * );
79 static int EsOutControl( es_out_t *, int i_query, va_list );
81 static char *LanguageGetName( const char *psz_code );
84 * Create a new es_out structure
86 * \param p_input The related input thread
87 * \return the new es_out_t
89 es_out_t *input_EsOutNew( input_thread_t *p_input )
91 es_out_t *out = malloc( sizeof( es_out_t ) );
92 es_out_sys_t *p_sys = malloc( sizeof( es_out_sys_t ) );
95 out->pf_add = EsOutAdd;
96 out->pf_send = EsOutSend;
97 out->pf_del = EsOutDel;
98 out->pf_control = EsOutControl;
101 p_sys->p_input = p_input;
102 p_sys->b_pcr_set = VLC_FALSE;
104 p_sys->b_active = VLC_FALSE;
105 p_sys->i_mode = ES_OUT_MODE_AUTO;
116 var_Get( p_input, "audio-channel", &val );
117 p_sys->i_audio_last = val.i_int;
119 var_Get( p_input, "spu-channel", &val );
120 p_sys->i_sub_last = val.i_int;
122 p_sys->p_es_audio = NULL;
123 p_sys->p_es_video = NULL;
124 p_sys->p_es_sub = NULL;
130 * Deletes an es_out structure
132 * \param out the es_out structure to destroy
135 void input_EsOutDelete( es_out_t *out )
137 es_out_sys_t *p_sys = out->p_sys;
140 for( i = 0; i < p_sys->i_es; i++ )
142 free( p_sys->es[i] );
155 * \param out the es_out
157 * \return a program descriptor for the new program
159 static pgrm_descriptor_t *EsOutAddProgram( es_out_t *out, int i_group )
161 input_thread_t *p_input = out->p_sys->p_input;
162 pgrm_descriptor_t *p_prgm;
163 es_descriptor_t *p_pmt;
165 /* FIXME we should use a object variable but a lot of place in src/input
166 * have to be changed */
167 int i_select = config_GetInt( p_input, "program" );
170 p_prgm = input_AddProgram( p_input, i_group, 0 );
172 /* XXX welcome to kludge, add a dummy es, if you want to understand
173 * why have a look at input_SetProgram. Basicaly, it assume the first
174 * es to be the PMT, how that is stupid, nevertheless it is needed for
175 * the old ts demuxer */
176 p_pmt = input_AddES( p_input, p_prgm, 0, UNKNOWN_ES, NULL, 0 );
177 p_pmt->i_fourcc = VLC_FOURCC( 'n', 'u', 'l', 'l' );
179 /* Select i_select or the first by default */
180 if( p_input->stream.p_selected_program == NULL &&
181 ( i_select <= 0 || i_select == i_group ) )
183 p_input->stream.p_selected_program = p_prgm;
190 * Select an ES given the current mode
191 * XXX: you need to take a the lock before (stream.stream_lock)
193 * \param out The es_out structure
194 * \param es es_out_id structure
198 static void EsOutSelect( es_out_t *out, es_out_id_t *es, vlc_bool_t b_force )
200 es_out_sys_t *p_sys = out->p_sys;
201 input_thread_t *p_input = p_sys->p_input;
203 int i_cat = es->p_es->i_cat;
205 if( !p_sys->b_active ||
206 ( !b_force && es->p_es->fmt.i_priority < 0 ) )
211 if( p_sys->i_mode == ES_OUT_MODE_ALL || b_force )
213 if( !es->p_es->p_dec )
215 input_SelectES( p_input, es->p_es );
218 else if( p_sys->i_mode == ES_OUT_MODE_AUTO )
222 if( es->p_es->p_pgrm != NULL &&
223 es->p_es->p_pgrm != p_input->stream.p_selected_program )
228 if( i_cat == AUDIO_ES )
230 if( p_sys->p_es_audio &&
231 p_sys->p_es_audio->p_es->fmt.i_priority >=
232 es->p_es->fmt.i_priority )
236 i_wanted = p_sys->i_audio_last >= 0 ?
237 p_sys->i_audio_last : es->i_channel;
239 else if( i_cat == SPU_ES )
241 if( p_sys->p_es_sub &&
242 p_sys->p_es_sub->p_es->fmt.i_priority >=
243 es->p_es->fmt.i_priority )
247 i_wanted = p_sys->i_sub_last;
249 else if( i_cat == VIDEO_ES )
251 i_wanted = es->i_channel;
254 if( i_wanted == es->i_channel && es->p_es->p_dec == NULL )
256 input_SelectES( p_input, es->p_es );
260 /* FIXME TODO handle priority here */
261 if( es->p_es->p_dec )
263 if( i_cat == AUDIO_ES )
265 if( p_sys->i_mode == ES_OUT_MODE_AUTO &&
266 p_sys->p_es_audio && p_sys->p_es_audio->p_es->p_dec )
268 input_UnselectES( p_input, p_sys->p_es_audio->p_es );
270 p_sys->p_es_audio = es;
272 else if( i_cat == SPU_ES )
274 if( p_sys->i_mode == ES_OUT_MODE_AUTO &&
275 p_sys->p_es_sub && p_sys->p_es_sub->p_es->p_dec )
277 input_UnselectES( p_input, p_sys->p_es_sub->p_es );
279 p_sys->p_es_sub = es;
281 else if( i_cat == VIDEO_ES )
283 p_sys->p_es_video = es;
291 * \param out the es_out to add
292 * \param fmt the es_format of the es_out
293 * \return an es_out id
295 static es_out_id_t *EsOutAdd( es_out_t *out, es_format_t *fmt )
297 es_out_sys_t *p_sys = out->p_sys;
298 playlist_t *p_playlist = NULL;
299 input_thread_t *p_input = p_sys->p_input;
300 es_out_id_t *es = malloc( sizeof( es_out_id_t ) );
301 pgrm_descriptor_t *p_prgm = NULL;
302 char psz_cat[sizeof( _("Stream ") ) + 10];
303 input_info_category_t *p_cat;
304 char *psz_description;
306 vlc_mutex_lock( &p_input->stream.stream_lock );
307 if( fmt->i_group >= 0 )
310 p_prgm = input_FindProgram( p_input, fmt->i_group );
315 p_prgm = EsOutAddProgram( out, fmt->i_group );
320 fmt->i_id = out->p_sys->i_id - 1;
323 psz_description = LanguageGetName( fmt->psz_language );
324 es->p_es = input_AddES( p_input,
328 psz_description, 0 );
329 es->p_es->i_stream_id = fmt->i_id;
330 es->p_es->i_fourcc = fmt->i_codec;
335 es->i_channel = p_sys->i_audio;
339 es->i_channel = p_sys->i_video;
344 subtitle_data_t *p_sub = malloc( sizeof( subtitle_data_t ) );
345 memset( p_sub, 0, sizeof( subtitle_data_t ) );
346 if( fmt->i_extra > 0 )
348 p_sub->psz_header = malloc( fmt->i_extra + 1 );
349 memcpy( p_sub->psz_header, fmt->p_extra , fmt->i_extra );
350 /* just to be sure */
351 ((uint8_t*)fmt->p_extra)[fmt->i_extra] = '\0';
353 /* FIXME beuuuuuurk */
354 es->p_es->p_demux_data = p_sub;
356 es->i_channel = p_sys->i_sub;
365 sprintf( psz_cat, _("Stream %d"), out->p_sys->i_id - 1 );
366 /* Get a category and the playlist */
367 if( ( p_cat = input_InfoCategory( p_input, psz_cat ) ) &&
368 ( p_playlist = (playlist_t *)vlc_object_find( p_input,
369 VLC_OBJECT_PLAYLIST, FIND_ANYWHERE ) ) )
375 psz_type = _("Audio");
378 psz_type = _("Video");
381 psz_type = _("Subtitle");
389 input_AddInfo( p_cat, _("Type"), psz_type );
390 playlist_AddInfo( p_playlist, -1, psz_cat, _("Type"), psz_type );
392 input_AddInfo( p_cat, _("Codec"), "%.4s", (char*)&fmt->i_codec );
393 playlist_AddInfo( p_playlist, -1, psz_cat, _("Codec"),
394 "%.4s",(char*)&fmt->i_codec );
395 if( *psz_description )
397 input_AddInfo( p_cat, _("Language"), psz_description );
398 playlist_AddInfo( p_playlist, -1, psz_cat, _("Language"),
399 "%s", psz_description );
401 if( fmt->psz_description && *fmt->psz_description )
403 input_AddInfo( p_cat, _("Description"), "%s", fmt->psz_description );
404 playlist_AddInfo( p_playlist, -1, psz_cat, _("Description"),
405 "%s", fmt->psz_description );
408 /* Add information */
412 if( fmt->audio.i_channels > 0 )
414 input_AddInfo( p_cat, _("Channels"),
415 "%d", fmt->audio.i_channels );
416 playlist_AddInfo( p_playlist, -1, psz_cat, _("Channels"),
417 "%d", fmt->audio.i_channels );
419 if( fmt->audio.i_rate > 0 )
421 input_AddInfo( p_cat, _("Sample rate"),
422 _("%d Hz"), fmt->audio.i_rate );
423 playlist_AddInfo( p_playlist, -1, psz_cat, _("Sample rate"),
424 _("%d Hz"), fmt->audio.i_rate );
426 if( fmt->audio.i_bitspersample > 0 )
428 input_AddInfo( p_cat, _("Bits per sample"),
429 "%d", fmt->audio.i_bitspersample );
430 playlist_AddInfo( p_playlist, -1, psz_cat, _("Bits per sample"),
431 "%d", fmt->audio.i_bitspersample );
433 if( fmt->i_bitrate > 0 )
435 input_AddInfo( p_cat, _("Bitrate"),
436 _("%d bps"), fmt->i_bitrate );
437 playlist_AddInfo( p_playlist, -1, psz_cat, _("Bitrate"),
438 _("%d bps"), fmt->i_bitrate );
443 if( fmt->video.i_width > 0 && fmt->video.i_height > 0 )
445 input_AddInfo( p_cat, _("Resolution"), "%dx%d",
446 fmt->video.i_width, fmt->video.i_height );
447 playlist_AddInfo( p_playlist, -1, psz_cat,
448 _("Resolution"), "%dx%d",
449 fmt->video.i_width, fmt->video.i_height );
451 if( fmt->video.i_visible_width > 0 &&
452 fmt->video.i_visible_height > 0 )
454 input_AddInfo( p_cat, _("Display resolution"), "%dx%d",
455 fmt->video.i_visible_width,
456 fmt->video.i_visible_height);
457 playlist_AddInfo( p_playlist, -1, psz_cat,
458 _("Display resolution"), "%dx%d",
459 fmt->video.i_visible_width,
460 fmt->video.i_visible_height);
468 if( p_playlist ) vlc_object_release( p_playlist );
470 free( psz_description );
472 es_format_Copy( &es->p_es->fmt, fmt );
475 * XXX change that when we do group too */
478 EsOutSelect( out, es, VLC_FALSE );
480 vlc_mutex_unlock( &p_input->stream.stream_lock );
482 TAB_APPEND( out->p_sys->i_es, out->p_sys->es, es );
483 p_sys->i_id++; /* always incremented */
501 * Send a block for the given es_out
503 * \param out the es_out to send from
504 * \param es the es_out_id
505 * \param p_block the data block to send
507 static int EsOutSend( es_out_t *out, es_out_id_t *es, block_t *p_block )
509 es_out_sys_t *p_sys = out->p_sys;
511 if( p_sys->b_pcr_set )
513 pgrm_descriptor_t *p_pgrm = es->p_es->p_pgrm;
514 input_thread_t *p_input = p_sys->p_input;
518 p_pgrm = p_sys->p_input->stream.p_selected_program;
521 if( p_block->i_dts > 0 && p_pgrm )
524 input_ClockGetTS( p_input, p_pgrm, p_block->i_dts * 9 / 100 );
526 if( p_block->i_pts > 0 && p_pgrm )
529 input_ClockGetTS( p_input, p_pgrm, p_block->i_pts * 9 / 100 );
533 vlc_mutex_lock( &out->p_sys->p_input->stream.stream_lock );
534 p_block->i_rate = out->p_sys->p_input->stream.control.i_rate;
535 if( es->p_es->p_dec &&
536 (es->p_es->i_cat!=AUDIO_ES || !p_sys->p_input->stream.control.b_mute) )
538 input_DecodeBlock( es->p_es->p_dec, p_block );
542 block_Release( p_block );
544 vlc_mutex_unlock( &out->p_sys->p_input->stream.stream_lock );
549 /*****************************************************************************
551 *****************************************************************************/
552 static void EsOutDel( es_out_t *out, es_out_id_t *es )
554 es_out_sys_t *p_sys = out->p_sys;
556 TAB_REMOVE( p_sys->i_es, p_sys->es, es );
558 switch( es->p_es->i_cat )
571 /* We don't try to reselect */
572 vlc_mutex_lock( &p_sys->p_input->stream.stream_lock );
573 if( es->p_es->p_dec )
575 input_UnselectES( p_sys->p_input, es->p_es );
578 if( es->p_es->p_waveformatex )
580 free( es->p_es->p_waveformatex );
581 es->p_es->p_waveformatex = NULL;
583 if( es->p_es->p_bitmapinfoheader )
585 free( es->p_es->p_bitmapinfoheader );
586 es->p_es->p_bitmapinfoheader = NULL;
588 input_DelES( p_sys->p_input, es->p_es );
590 if( p_sys->p_es_audio == es ) p_sys->p_es_audio = NULL;
591 if( p_sys->p_es_video == es ) p_sys->p_es_video = NULL;
592 if( p_sys->p_es_sub == es ) p_sys->p_es_sub = NULL;
594 vlc_mutex_unlock( &p_sys->p_input->stream.stream_lock );
600 * Control query handler
602 * \param out the es_out to control
603 * \param i_query A es_out query as defined in include/ninput.h
604 * \param args a variable list of arguments for the query
605 * \return VLC_SUCCESS or an error code
607 static int EsOutControl( es_out_t *out, int i_query, va_list args )
609 es_out_sys_t *p_sys = out->p_sys;
617 case ES_OUT_SET_ES_STATE:
618 vlc_mutex_lock( &p_sys->p_input->stream.stream_lock );
619 es = (es_out_id_t*) va_arg( args, es_out_id_t * );
620 b = (vlc_bool_t) va_arg( args, vlc_bool_t );
621 if( b && es->p_es->p_dec == NULL )
623 input_SelectES( p_sys->p_input, es->p_es );
624 vlc_mutex_unlock( &p_sys->p_input->stream.stream_lock );
625 return es->p_es->p_dec ? VLC_SUCCESS : VLC_EGENERIC;
627 else if( !b && es->p_es->p_dec )
629 input_UnselectES( p_sys->p_input, es->p_es );
630 vlc_mutex_unlock( &p_sys->p_input->stream.stream_lock );
633 vlc_mutex_unlock( &p_sys->p_input->stream.stream_lock );
636 case ES_OUT_GET_ES_STATE:
637 es = (es_out_id_t*) va_arg( args, es_out_id_t * );
638 pb = (vlc_bool_t*) va_arg( args, vlc_bool_t * );
640 *pb = es->p_es->p_dec ? VLC_TRUE : VLC_FALSE;
643 case ES_OUT_SET_ACTIVE:
645 b = (vlc_bool_t) va_arg( args, vlc_bool_t );
651 val.b_bool = VLC_TRUE;
652 var_Set( p_sys->p_input, "intf-change", val );
657 case ES_OUT_GET_ACTIVE:
658 pb = (vlc_bool_t*) va_arg( args, vlc_bool_t * );
659 *pb = p_sys->b_active;
662 case ES_OUT_SET_MODE:
663 i = (int) va_arg( args, int );
664 if( i == ES_OUT_MODE_NONE || i == ES_OUT_MODE_ALL ||
665 i == ES_OUT_MODE_AUTO )
671 /* Reapply policy mode */
672 vlc_mutex_lock( &p_sys->p_input->stream.stream_lock );
673 for( i = 0; i < p_sys->i_es; i++ )
675 if( p_sys->es[i]->p_es->p_dec )
677 input_UnselectES( p_sys->p_input, p_sys->es[i]->p_es );
680 for( i = 0; i < p_sys->i_es; i++ )
682 EsOutSelect( out, p_sys->es[i], VLC_FALSE );
684 vlc_mutex_unlock( &p_sys->p_input->stream.stream_lock );
686 val.b_bool = VLC_TRUE;
687 var_Set( p_sys->p_input, "intf-change", val );
693 case ES_OUT_GET_MODE:
694 pi = (int*) va_arg( args, int* );
699 es = (es_out_id_t*) va_arg( args, es_out_id_t * );
702 for( i = 0; i < p_sys->i_es; i++ )
704 vlc_mutex_lock( &p_sys->p_input->stream.stream_lock );
705 if( p_sys->es[i]->p_es->p_dec )
707 input_UnselectES( p_sys->p_input, p_sys->es[i]->p_es );
709 vlc_mutex_unlock( &p_sys->p_input->stream.stream_lock );
714 vlc_mutex_lock( &p_sys->p_input->stream.stream_lock );
715 EsOutSelect( out, es, VLC_TRUE );
716 vlc_mutex_unlock( &p_sys->p_input->stream.stream_lock );
721 case ES_OUT_SET_GROUP_PCR:
723 pgrm_descriptor_t *p_prgm = NULL;
726 if( i_query == ES_OUT_SET_PCR )
728 p_prgm = p_sys->p_input->stream.p_selected_program;
732 int i_group = (int)va_arg( args, int );
733 p_prgm = input_FindProgram( p_sys->p_input, i_group );
736 /* we create the requested program */
737 p_prgm = EsOutAddProgram( out, i_group );
740 i_pcr = (int64_t)va_arg( args, int64_t );
745 input_ClockManageRef( p_sys->p_input, p_prgm, i_pcr * 9 / 100);
747 p_sys->b_pcr_set = VLC_TRUE;
751 case ES_OUT_RESET_PCR:
752 for( i = 0; i < p_sys->p_input->stream.i_pgrm_number; i++ )
754 p_sys->p_input->stream.pp_programs[i]->i_synchro_state = SYNCHRO_REINIT;
756 p_sys->b_pcr_set = VLC_TRUE;
760 msg_Err( p_sys->p_input, "unknown query in es_out_Control" );
765 /****************************************************************************
766 * LanguageGetName: try to expend iso639 into plain name
767 ****************************************************************************/
768 static char *LanguageGetName( const char *psz_code )
770 const iso639_lang_t *pl;
772 if( psz_code == NULL )
777 if( strlen( psz_code ) == 2 )
779 pl = GetLang_1( psz_code );
781 else if( strlen( psz_code ) == 3 )
783 pl = GetLang_2B( psz_code );
784 if( !strcmp( pl->psz_iso639_1, "??" ) )
786 pl = GetLang_2T( psz_code );
791 return strdup( psz_code );
794 if( !strcmp( pl->psz_iso639_1, "??" ) )
796 return strdup( psz_code );
800 if( *pl->psz_native_name )
802 return strdup( pl->psz_native_name );
804 return strdup( pl->psz_eng_name );