1 /*****************************************************************************
2 * record.c: record stream output module
3 *****************************************************************************
4 * Copyright (C) 2008 the VideoLAN team
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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
34 #include <vlc_common.h>
35 #include <vlc_plugin.h>
36 #include <vlc_block.h>
38 #include <vlc_charset.h>
41 /*****************************************************************************
43 *****************************************************************************/
44 static int Open ( vlc_object_t * );
45 static void Close ( vlc_object_t * );
47 /*****************************************************************************
49 *****************************************************************************/
50 #define DST_PREFIX_TEXT N_("Destination prefix")
51 #define DST_PREFIX_LONGTEXT N_( \
52 "Prefix of the destination file automatically generated" )
54 #define SOUT_CFG_PREFIX "sout-record-"
57 set_description( N_("Record stream output") )
58 set_capability( "sout stream", 0 )
59 add_shortcut( "record" )
61 set_category( CAT_SOUT )
62 set_subcategory( SUBCAT_SOUT_STREAM )
64 add_string( SOUT_CFG_PREFIX "dst-prefix", "", NULL, DST_PREFIX_TEXT,
65 DST_PREFIX_LONGTEXT, true );
67 set_callbacks( Open, Close )
71 static const char *const ppsz_sout_options[] = {
77 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
78 static int Del ( sout_stream_t *, sout_stream_id_t * );
79 static int Send( sout_stream_t *, sout_stream_id_t *, block_t* );
82 struct sout_stream_id_t
95 struct sout_stream_sys_t
101 mtime_t i_date_start;
110 sout_stream_id_t **id;
114 static void OutputStart( sout_stream_t *p_stream );
115 static void OutputSend( sout_stream_t *p_stream, sout_stream_id_t *id, block_t * );
117 /*****************************************************************************
119 *****************************************************************************/
120 static int Open( vlc_object_t *p_this )
122 sout_stream_t *p_stream = (sout_stream_t*)p_this;
123 sout_stream_sys_t *p_sys;
125 p_stream->pf_add = Add;
126 p_stream->pf_del = Del;
127 p_stream->pf_send = Send;
129 p_stream->p_sys = p_sys = malloc( sizeof(*p_sys) );
133 config_ChainParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options, p_stream->p_cfg );
136 p_sys->psz_prefix = var_GetNonEmptyString( p_stream, SOUT_CFG_PREFIX "dst-prefix" );
137 if( !p_sys->psz_prefix )
139 p_sys->psz_prefix = strdup( "sout-record-" );
140 if( !p_sys->psz_prefix )
147 p_sys->i_date_start = -1;
149 #ifdef OPTIMIZE_MEMORY
150 p_sys->i_max_wait = 5*1000000; /* 5s */
151 p_sys->i_max_size = 1*1000000; /* 1 Mbyte */
153 p_sys->i_max_wait = 30*1000000; /* 30s */
154 p_sys->i_max_size = 20*1000000; /* 20 Mbyte */
156 p_sys->b_drop = false;
157 p_sys->i_dts_start = 0;
158 TAB_INIT( p_sys->i_id, p_sys->id );
163 /*****************************************************************************
165 *****************************************************************************/
166 static void Close( vlc_object_t * p_this )
168 sout_stream_t *p_stream = (sout_stream_t*)p_this;
169 sout_stream_sys_t *p_sys = p_stream->p_sys;
172 sout_StreamDelete( p_sys->p_out );
174 TAB_CLEAN( p_sys->i_id, p_sys->id );
175 free( p_sys->psz_prefix );
179 /*****************************************************************************
181 *****************************************************************************/
182 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
184 sout_stream_sys_t *p_sys = p_stream->p_sys;
185 sout_stream_id_t *id;
187 id = malloc( sizeof(*id) );
191 es_format_Copy( &id->fmt, p_fmt );
193 id->pp_last = &id->p_first;
195 id->b_wait_key = true;
196 id->b_wait_start = true;
198 TAB_APPEND( p_sys->i_id, p_sys->id, id );
203 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
205 sout_stream_sys_t *p_sys = p_stream->p_sys;
208 OutputStart( p_stream );
211 block_ChainRelease( id->p_first );
212 es_format_Clean( &id->fmt );
214 assert( !id->id || p_sys->p_out );
216 sout_StreamIdDel( p_sys->p_out, id->id );
218 TAB_REMOVE( p_sys->i_id, p_sys->id, id );
220 if( p_sys->i_id <= 0 )
223 p_sys->b_drop = false;
231 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
234 sout_stream_sys_t *p_sys = p_stream->p_sys;
236 if( p_sys->i_date_start < 0 )
237 p_sys->i_date_start = mdate();
239 ( mdate() - p_sys->i_date_start > p_sys->i_max_wait ||
240 p_sys->i_size > p_sys->i_max_size ) )
242 msg_Dbg( p_stream, "Staring recording, waited %ds and %dbyte",
243 (int)((mdate() - p_sys->i_date_start)/1000000), (int)p_sys->i_size );
244 OutputStart( p_stream );
247 OutputSend( p_stream, id, p_buffer );
252 /*****************************************************************************
254 *****************************************************************************/
257 const char *psz_muxer;
258 const char *psz_extension;
260 vlc_fourcc_t codec[128];
261 } muxer_properties_t;
263 #define M(muxer, ext, count, ... ) { .psz_muxer = muxer, .psz_extension = ext, .i_es_max = count, .codec = { __VA_ARGS__, 0 } }
264 /* Table of native codec support,
265 * Do not do non native and non standard association !
266 * Muxer will be probe if no entry found */
267 static const muxer_properties_t p_muxers[] = {
268 M( "raw", "mp3", 1, VLC_FOURCC('m','p','g','a') ),
269 M( "raw", "a52", 1, VLC_FOURCC('a','5','2',' ') ),
270 M( "raw", "dts", 1, VLC_FOURCC('d','t','s',' ') ),
271 M( "raw", "mpc", 1, VLC_FOURCC('m','p','c',' ') ),
272 M( "raw", "ape", 1, VLC_FOURCC('A','P','E',' ') ),
274 M( "wav", "wav", 1, VLC_FOURCC('a','r','a','w'), VLC_FOURCC('u','8',' ',' '), VLC_FOURCC('s','1','6','l'),
275 VLC_FOURCC('s','2','4','l'), VLC_FOURCC('s','3','2','l'), VLC_FOURCC('f','l','3','2') ),
277 //M( "ffmpeg{mux=flac}", "flac", 1, VLC_FOURCC('f','l','a','c') ), BROKEN
279 M( "ogg", "ogg", INT_MAX, VLC_FOURCC('v','o','r','b'), VLC_FOURCC('s','p','x',' '), VLC_FOURCC('f','l','a','c'),
280 VLC_FOURCC('s','u','b','t'), VLC_FOURCC('t','h','e','o'), VLC_FOURCC('d','r','a','c') ),
282 M( "asf", "asf", 127, VLC_FOURCC('w','m','a','1'), VLC_FOURCC('w','m','a','2'), VLC_FOURCC('w','m','a',' '),
283 VLC_FOURCC('w','m','a','p'), VLC_FOURCC('w','m','a','l'),
284 VLC_FOURCC('W','M','V','1'), VLC_FOURCC('W','M','V','2'), VLC_FOURCC('W','M','V','3') ),
286 M( "mp4", "mp4", INT_MAX, VLC_FOURCC('m','p','4','a'), VLC_FOURCC('h','2','6','4'), VLC_FOURCC('m','p','4','v'),
287 VLC_FOURCC('s','u','b','t') ),
289 M( "ps", "ps", 16/* FIXME*/,VLC_FOURCC('m','p','g','v'), VLC_FOURCC('m','p','1','v'), VLC_FOURCC('m','p','2','v'),
290 VLC_FOURCC('m','p','g','a'), VLC_FOURCC('l','p','c','m'), VLC_FOURCC('a','5','2',' '),
291 VLC_FOURCC('d','t','s',' '),
292 VLC_FOURCC('s','p','u',' ') ),
294 M( "ts", "ts", 8000, VLC_FOURCC('m','p','g','v'), VLC_FOURCC('m','p','1','v'), VLC_FOURCC('m','p','2','v'),
295 VLC_FOURCC('h','2','6','4'),
296 VLC_FOURCC('m','p','g','a'), VLC_FOURCC('l','p','c','m'), VLC_FOURCC('a','5','2',' '),
297 VLC_FOURCC('d','t','s',' '), VLC_FOURCC('m','p','4','a'),
298 VLC_FOURCC('d','v','b','s'), VLC_FOURCC('t','e','l','x') ),
300 M( NULL, NULL, 0, 0 )
304 static int OutputNew( sout_stream_t *p_stream,
305 const char *psz_muxer, const char *psz_prefix, const char *psz_extension )
307 sout_stream_sys_t *p_sys = p_stream->p_sys;
311 if( asprintf( &psz_output, "std{access=file,mux='%s',dst='%s%s%s'}",
312 psz_muxer, psz_prefix, psz_extension ? "." : "", psz_extension ? psz_extension : "" ) < 0 )
315 /* Create the output */
316 msg_Dbg( p_stream, "Using record output `%s'", psz_output );
317 p_sys->p_out = sout_StreamNew( p_stream->p_sout, psz_output );
326 for( int i = 0; i < p_sys->i_id; i++ )
328 sout_stream_id_t *id = p_sys->id[i];
330 id->id = sout_StreamIdAdd( p_sys->p_out, &id->fmt );
338 static void OutputStart( sout_stream_t *p_stream )
340 sout_stream_sys_t *p_sys = p_stream->p_sys;
346 /* From now on drop packet that cannot be handled */
347 p_sys->b_drop = true;
349 /* Detect streams to smart select muxer */
350 const char *psz_muxer = NULL;
351 const char *psz_extension = NULL;
353 /* Look for prefered muxer
354 * TODO we could insert transcode in a few cases like
357 for( int i = 0; p_muxers[i].psz_muxer != NULL; i++ )
360 if( p_sys->i_id > p_muxers[i].i_es_max )
364 for( int j = 0; j < p_sys->i_id; j++ )
366 es_format_t *p_fmt = &p_sys->id[j]->fmt;
369 for( int k = 0; p_muxers[i].codec[k] != 0; k++ )
371 if( p_fmt->i_codec == p_muxers[i].codec[k] )
383 psz_muxer = p_muxers[i].psz_muxer;
384 psz_extension = p_muxers[i].psz_extension;
388 /* If failed, brute force our demuxers and select the one that
389 * keeps most of our stream */
390 if( !psz_muxer || !psz_extension )
392 static const char *ppsz_muxers[][2] = {
393 { "avi", "avi" }, { "mp4", "mp4" }, { "ogg", "ogg" },
394 { "asf", "asf" }, { "ts", "ts" }, { "ps", "ps" },
396 // XXX ffmpeg sefault really easily if you try an unsupported codec
397 // mov and avi at least segfault
398 { "ffmpeg{mux=avi}", "avi" },
399 { "ffmpeg{mux=mov}", "mov" },
400 { "ffmpeg{mux=mp4}", "mp4" },
401 { "ffmpeg{mux=nsv}", "nsv" },
402 { "ffmpeg{mux=flv}", "flv" },
409 msg_Warn( p_stream, "failed to find an adequate muxer, probing muxers" );
410 for( int i = 0; ppsz_muxers[i][0] != NULL; i++ )
415 psz_file = tempnam( NULL, "vlc" );
419 msg_Dbg( p_stream, "probing muxer %s", ppsz_muxers[i][0] );
420 i_es = OutputNew( p_stream, ppsz_muxers[i][0], psz_file, NULL );
424 utf8_unlink( psz_file );
430 for( int i = 0; i < p_sys->i_id; i++ )
432 sout_stream_id_t *id = p_sys->id[i];
435 sout_StreamIdDel( p_sys->p_out, id->id );
439 sout_StreamDelete( p_sys->p_out );
442 if( i_es > i_best_es )
447 if( i_best_es >= p_sys->i_id )
450 utf8_unlink( psz_file );
455 psz_muxer = ppsz_muxers[i_best][0];
456 psz_extension = ppsz_muxers[i_best][1];
457 msg_Dbg( p_stream, "using muxer %s with extension %s (%d/%d streams accepted)",
458 psz_muxer, psz_extension, i_best_es, p_sys->i_id );
461 /* Create the output */
462 if( OutputNew( p_stream, psz_muxer, p_sys->psz_prefix, psz_extension ) < 0 )
464 msg_Err( p_stream, "failed to open output");
468 /* Compute highest timestamp of first I over all streams */
469 p_sys->i_dts_start = 0;
470 for( int i = 0; i < p_sys->i_id; i++ )
472 sout_stream_id_t *id = p_sys->id[i];
475 if( !id->id || !id->p_first )
478 mtime_t i_dts = id->p_first->i_dts;
479 for( p_block = id->p_first; p_block != NULL; p_block = p_block->p_next )
481 if( p_block->i_flags & BLOCK_FLAG_TYPE_I )
483 i_dts = p_block->i_dts;
488 if( i_dts > p_sys->i_dts_start )
489 p_sys->i_dts_start = i_dts;
492 /* Send buffered data */
493 for( int i = 0; i < p_sys->i_id; i++ )
495 sout_stream_id_t *id = p_sys->id[i];
500 block_t *p_block = id->p_first;
503 block_t *p_next = p_block->p_next;
505 p_block->p_next = NULL;
507 OutputSend( p_stream, id, p_block );
513 id->pp_last = &id->p_first;
517 static void OutputSend( sout_stream_t *p_stream, sout_stream_id_t *id, block_t *p_block )
519 sout_stream_sys_t *p_sys = p_stream->p_sys;
523 /* We wait until the first key frame (if needed) and
524 * to be beyong i_dts_start (for stream without key frame) */
527 if( p_block->i_flags & BLOCK_FLAG_TYPE_I )
529 id->b_wait_key = false;
530 id->b_wait_start = false;
533 if( ( p_block->i_flags & BLOCK_FLAG_TYPE_MASK ) == 0 )
534 id->b_wait_key = false;
536 if( id->b_wait_start )
538 if( p_block->i_dts >=p_sys->i_dts_start )
539 id->b_wait_start = false;
541 if( id->b_wait_key || id->b_wait_start )
542 block_ChainRelease( p_block );
544 sout_StreamIdSend( p_sys->p_out, id->id, p_block );
546 else if( p_sys->b_drop )
548 block_ChainRelease( p_block );
554 block_ChainProperties( p_block, NULL, &i_size, NULL );
555 p_sys->i_size += i_size;
556 block_ChainLastAppend( &id->pp_last, p_block );