1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 1999-2004 VideoLAN
7 * Author: 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 *****************************************************************************/
26 #include <vlc/input.h>
28 #include "input_internal.h"
30 /*****************************************************************************
32 * if s is NULL then load a access_demux
33 *****************************************************************************/
34 demux_t *__demux2_New( vlc_object_t *p_obj,
35 char *psz_access, char *psz_demux, char *psz_path,
36 stream_t *s, es_out_t *out, vlc_bool_t b_quick )
38 demux_t *p_demux = vlc_object_create( p_obj, VLC_OBJECT_DEMUX );
47 p_demux->psz_access = strdup( psz_access );
48 p_demux->psz_demux = strdup( psz_demux );
49 p_demux->psz_path = strdup( psz_path );
51 /* Take into account "demux" to be able to do :demux=dump */
52 if( *p_demux->psz_demux == '\0' )
54 free( p_demux->psz_demux );
55 p_demux->psz_demux = var_GetString( p_obj, "demux" );
60 msg_Dbg( p_obj, "demux2_New: access='%s' demux='%s' path='%s'",
61 p_demux->psz_access, p_demux->psz_demux, p_demux->psz_path );
67 p_demux->pf_demux = NULL;
68 p_demux->pf_control = NULL;
69 p_demux->p_sys = NULL;
70 p_demux->info.i_update = 0;
71 p_demux->info.i_title = 0;
72 p_demux->info.i_seekpoint = 0;
75 psz_module = p_demux->psz_demux;
77 psz_module = p_demux->psz_access;
79 if( s && *psz_module == '\0' && strrchr( p_demux->psz_path, '.' ) )
81 /* XXX: add only file without any problem here and with strong detection.
82 * - no .mp3, .a52, ... (aac is added as it works only by file ext anyway
83 * - wav can't be added 'cause of a52 and dts in them as raw audio
85 static struct { char *ext; char *demux; } exttodemux[] =
89 { "asf", "asf" }, { "wmv", "asf" }, { "wma", "asf" },
95 { "mkv", "mkv" }, { "mka", "mkv" }, { "mks", "mkv" },
96 { "mp4", "mp4" }, { "m4a", "mp4" }, { "mov", "mp4" }, { "moov", "mp4" },
97 { "mod", "mod" }, { "xm", "mod" },
99 { "ogg", "ogg" }, { "ogm", "ogg" },
104 /* Here, we don't mind if it does not work, it must be quick */
105 static struct { char *ext; char *demux; } exttodemux_quick[] =
113 char *psz_ext = strrchr( p_demux->psz_path, '.' ) + 1;
118 for( i = 0; exttodemux[i].ext != NULL; i++ )
120 if( !strcasecmp( psz_ext, exttodemux[i].ext ) )
122 psz_module = exttodemux[i].demux;
129 for( i = 0; exttodemux_quick[i].ext != NULL; i++ )
131 if( !strcasecmp( psz_ext, exttodemux_quick[i].ext ) )
133 psz_module = exttodemux_quick[i].demux;
141 /* Before module_Need (for var_Create...) */
142 vlc_object_attach( p_demux, p_obj );
147 module_Need( p_demux, "demux2", psz_module,
148 !strcmp( psz_module, p_demux->psz_demux ) ?
149 VLC_TRUE : VLC_FALSE );
154 module_Need( p_demux, "access_demux", psz_module,
155 !strcmp( psz_module, p_demux->psz_access ) ?
156 VLC_TRUE : VLC_FALSE );
159 if( p_demux->p_module == NULL )
161 vlc_object_detach( p_demux );
162 free( p_demux->psz_path );
163 free( p_demux->psz_demux );
164 free( p_demux->psz_access );
165 vlc_object_destroy( p_demux );
172 /*****************************************************************************
174 *****************************************************************************/
175 void demux2_Delete( demux_t *p_demux )
177 module_Unneed( p_demux, p_demux->p_module );
178 vlc_object_detach( p_demux );
180 free( p_demux->psz_path );
181 free( p_demux->psz_demux );
182 free( p_demux->psz_access );
184 vlc_object_destroy( p_demux );
187 /*****************************************************************************
188 * demux2_vaControlHelper:
189 *****************************************************************************/
190 int demux2_vaControlHelper( stream_t *s,
191 int64_t i_start, int64_t i_end,
192 int i_bitrate, int i_align,
193 int i_query, va_list args )
199 if( i_end < 0 ) i_end = stream_Size( s );
200 if( i_start < 0 ) i_start = 0;
201 if( i_align <= 0 ) i_align = 1;
202 i_tell = stream_Tell( s );
206 case DEMUX_GET_LENGTH:
207 pi64 = (int64_t*)va_arg( args, int64_t * );
208 if( i_bitrate > 0 && i_end > i_start )
210 *pi64 = I64C(8000000) * (i_end - i_start) / i_bitrate;
216 pi64 = (int64_t*)va_arg( args, int64_t * );
217 if( i_bitrate > 0 && i_end > i_start )
219 *pi64 = I64C(8000000) * (i_tell - i_start) / i_bitrate;
224 case DEMUX_GET_POSITION:
225 pf = (double*)va_arg( args, double * );
226 if( i_start < i_end )
228 *pf = (double)( i_tell - i_start ) /
229 (double)( i_end - i_start );
235 case DEMUX_SET_POSITION:
236 f = (double)va_arg( args, double );
237 if( i_start < i_end && f >= 0.0 && f <= 1.0 )
239 int64_t i_block = (f * ( i_end - i_start )) / i_align;
241 if( stream_Seek( s, i_start + i_block * i_align ) )
250 i64 = (int64_t)va_arg( args, int64_t );
251 if( i_bitrate > 0 && i64 >= 0 )
253 int64_t i_block = i64 * i_bitrate / I64C(8000000) / i_align;
254 if( stream_Seek( s, i_start + i_block * i_align ) )
264 case DEMUX_SET_NEXT_DEMUX_TIME:
265 case DEMUX_GET_TITLE_INFO:
266 case DEMUX_SET_GROUP:
270 msg_Err( s, "unknown query in demux_vaControlDefault" );
275 /****************************************************************************
276 * stream_Demux*: create a demuxer for an outpout stream (allow demuxer chain)
277 ****************************************************************************/
281 block_fifo_t *p_fifo;
293 static int DStreamRead ( stream_t *, void *p_read, int i_read );
294 static int DStreamPeek ( stream_t *, uint8_t **pp_peek, int i_peek );
295 static int DStreamControl( stream_t *, int i_query, va_list );
296 static int DStreamThread ( stream_t * );
299 stream_t *__stream_DemuxNew( vlc_object_t *p_obj, char *psz_demux,
302 /* We create a stream reader, and launch a thread */
304 d_stream_sys_t *p_sys;
306 if( psz_demux == NULL || *psz_demux == '\0' ) return NULL;
308 s = vlc_object_create( p_obj, VLC_OBJECT_STREAM );
310 s->pf_read = DStreamRead;
311 s->pf_peek = DStreamPeek;
312 s->pf_control= DStreamControl;
314 s->p_sys = malloc( sizeof( d_stream_sys_t) );
315 p_sys = (d_stream_sys_t*)s->p_sys;
319 p_sys->p_demux = NULL;
320 p_sys->p_block = NULL;
321 p_sys->psz_name = strdup( psz_demux );
324 if( ( p_sys->p_fifo = block_FifoNew( s ) ) == NULL )
326 msg_Err( s, "out of memory" );
327 vlc_object_destroy( s );
332 if( vlc_thread_create( s, "stream out", DStreamThread,
333 VLC_THREAD_PRIORITY_INPUT, VLC_FALSE ) )
335 vlc_object_destroy( s );
343 void stream_DemuxSend( stream_t *s, block_t *p_block )
345 d_stream_sys_t *p_sys = (d_stream_sys_t*)s->p_sys;
346 if( p_block ) block_FifoPut( p_sys->p_fifo, p_block );
349 void stream_DemuxDelete( stream_t *s )
351 d_stream_sys_t *p_sys = (d_stream_sys_t*)s->p_sys;
355 if( p_sys->p_demux ) p_sys->p_demux->b_die = VLC_TRUE;
356 p_empty = block_New( s, 1 ); p_empty->i_buffer = 0;
357 block_FifoPut( p_sys->p_fifo, p_empty );
358 vlc_thread_join( s );
360 if( p_sys->p_demux ) demux2_Delete( p_sys->p_demux );
361 if( p_sys->p_block ) block_Release( p_sys->p_block );
363 block_FifoRelease( p_sys->p_fifo );
364 free( p_sys->psz_name );
367 vlc_object_destroy( s );
371 static int DStreamRead( stream_t *s, void *p_read, int i_read )
373 d_stream_sys_t *p_sys = (d_stream_sys_t*)s->p_sys;
374 uint8_t *p_out = p_read;
377 //msg_Dbg( s, "DStreamRead: wanted %d bytes", i_read );
379 while( !s->b_die && !s->b_error && i_read )
381 block_t *p_block = p_sys->p_block;
386 p_block = block_FifoGet( p_sys->p_fifo );
387 if( !p_block ) s->b_error = 1;
388 p_sys->p_block = p_block;
391 if( p_block && i_read )
393 i_copy = __MIN( i_read, p_block->i_buffer );
394 if( p_out && i_copy ) memcpy( p_out, p_block->p_buffer, i_copy );
397 p_block->i_buffer -= i_copy;
398 p_block->p_buffer += i_copy;
400 if( !p_block->i_buffer )
402 block_Release( p_block );
403 p_sys->p_block = NULL;
408 p_sys->i_pos += i_out;
412 static int DStreamPeek( stream_t *s, uint8_t **pp_peek, int i_peek )
414 d_stream_sys_t *p_sys = (d_stream_sys_t*)s->p_sys;
415 block_t **pp_block = &p_sys->p_block;
419 //msg_Dbg( s, "DStreamPeek: wanted %d bytes", i_peek );
421 while( !s->b_die && !s->b_error && i_peek )
427 *pp_block = block_FifoGet( p_sys->p_fifo );
428 if( !*pp_block ) s->b_error = 1;
431 if( *pp_block && i_peek )
433 i_copy = __MIN( i_peek, (*pp_block)->i_buffer );
437 if( i_peek ) pp_block = &(*pp_block)->p_next;
443 p_sys->p_block = block_ChainGather( p_sys->p_block );
444 *pp_peek = p_sys->p_block->p_buffer;
450 static int DStreamControl( stream_t *s, int i_query, va_list args )
452 d_stream_sys_t *p_sys = (d_stream_sys_t*)s->p_sys;
459 case STREAM_GET_SIZE:
460 p_i64 = (int64_t*) va_arg( args, int64_t * );
464 case STREAM_CAN_SEEK:
465 p_b = (vlc_bool_t*) va_arg( args, vlc_bool_t * );
469 case STREAM_CAN_FASTSEEK:
470 p_b = (vlc_bool_t*) va_arg( args, vlc_bool_t * );
474 case STREAM_GET_POSITION:
475 p_i64 = (int64_t*) va_arg( args, int64_t * );
476 *p_i64 = p_sys->i_pos;
479 case STREAM_SET_POSITION:
481 int64_t i64 = (int64_t)va_arg( args, int64_t );
483 if( i64 < p_sys->i_pos ) return VLC_EGENERIC;
484 i_skip = i64 - p_sys->i_pos;
488 int i_read = DStreamRead( s, NULL, i_skip );
489 if( i_read <= 0 ) return VLC_EGENERIC;
496 p_int = (int*) va_arg( args, int * );
500 case STREAM_CONTROL_ACCESS:
504 msg_Err( s, "invalid DStreamControl query=0x%x", i_query );
509 static int DStreamThread( stream_t *s )
511 d_stream_sys_t *p_sys = (d_stream_sys_t*)s->p_sys;
514 /* Create the demuxer */
515 if( !(p_demux = demux2_New( s, "", p_sys->psz_name, "", s, p_sys->out,
521 p_sys->p_demux = p_demux;
524 while( !s->b_die && !p_demux->b_die )
526 if( p_demux->pf_demux( p_demux ) <= 0 ) break;
529 p_demux->b_die = VLC_TRUE;