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>
40 /*****************************************************************************
42 *****************************************************************************/
43 static int Open ( vlc_object_t * );
44 static void Close ( vlc_object_t * );
46 /*****************************************************************************
48 *****************************************************************************/
49 #define DST_PREFIX_TEXT N_("Destination prefix")
50 #define DST_PREFIX_LONGTEXT N_( \
51 "Prefix of the destination file automatically generated" )
53 #define SOUT_CFG_PREFIX "sout-record-"
56 set_description( N_("Record stream output") )
57 set_capability( "sout stream", 0 )
58 add_shortcut( "record" )
60 set_category( CAT_SOUT )
61 set_subcategory( SUBCAT_SOUT_STREAM )
63 add_string( SOUT_CFG_PREFIX "dst-prefix", "", NULL, DST_PREFIX_TEXT,
64 DST_PREFIX_LONGTEXT, true );
66 set_callbacks( Open, Close )
70 static const char *const ppsz_sout_options[] = {
76 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
77 static int Del ( sout_stream_t *, sout_stream_id_t * );
78 static int Send( sout_stream_t *, sout_stream_id_t *, block_t* );
81 struct sout_stream_id_t
94 struct sout_stream_sys_t
100 mtime_t i_date_start;
109 sout_stream_id_t **id;
113 static void OutputStart( sout_stream_t *p_stream );
114 static void OutputSend( sout_stream_t *p_stream, sout_stream_id_t *id, block_t * );
116 /*****************************************************************************
118 *****************************************************************************/
119 static int Open( vlc_object_t *p_this )
121 sout_stream_t *p_stream = (sout_stream_t*)p_this;
122 sout_stream_sys_t *p_sys;
124 p_stream->pf_add = Add;
125 p_stream->pf_del = Del;
126 p_stream->pf_send = Send;
128 p_stream->p_sys = p_sys = malloc( sizeof(*p_sys) );
132 config_ChainParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options, p_stream->p_cfg );
135 p_sys->psz_prefix = var_GetNonEmptyString( p_stream, SOUT_CFG_PREFIX "dst-prefix" );
136 if( !p_sys->psz_prefix )
138 p_sys->psz_prefix = strdup( "sout-record-" );
139 if( !p_sys->psz_prefix )
146 p_sys->i_date_start = -1;
148 #ifdef OPTIMIZE_MEMORY
149 p_sys->i_max_wait = 5*1000000; /* 5s */
150 p_sys->i_max_size = 1*1000000; /* 1 Mbyte */
152 p_sys->i_max_wait = 30*1000000; /* 30s */
153 p_sys->i_max_size = 20*1000000; /* 20 Mbyte */
155 p_sys->b_drop = false;
156 p_sys->i_dts_start = 0;
157 TAB_INIT( p_sys->i_id, p_sys->id );
162 /*****************************************************************************
164 *****************************************************************************/
165 static void Close( vlc_object_t * p_this )
167 sout_stream_t *p_stream = (sout_stream_t*)p_this;
168 sout_stream_sys_t *p_sys = p_stream->p_sys;
171 sout_StreamDelete( p_sys->p_out );
173 TAB_CLEAN( p_sys->i_id, p_sys->id );
174 free( p_sys->psz_prefix );
178 /*****************************************************************************
180 *****************************************************************************/
181 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
183 sout_stream_sys_t *p_sys = p_stream->p_sys;
184 sout_stream_id_t *id;
186 id = malloc( sizeof(*id) );
190 es_format_Copy( &id->fmt, p_fmt );
192 id->pp_last = &id->p_first;
194 id->b_wait_key = true;
195 id->b_wait_start = true;
197 TAB_APPEND( p_sys->i_id, p_sys->id, id );
202 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
204 sout_stream_sys_t *p_sys = p_stream->p_sys;
207 OutputStart( p_stream );
210 block_ChainRelease( id->p_first );
211 es_format_Clean( &id->fmt );
213 assert( !id->id || p_sys->p_out );
215 sout_StreamIdDel( p_sys->p_out, id->id );
217 TAB_REMOVE( p_sys->i_id, p_sys->id, id );
219 if( p_sys->i_id <= 0 )
222 p_sys->b_drop = false;
230 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
233 sout_stream_sys_t *p_sys = p_stream->p_sys;
235 if( p_sys->i_date_start < 0 )
236 p_sys->i_date_start = mdate();
238 ( mdate() - p_sys->i_date_start > p_sys->i_max_wait ||
239 p_sys->i_size > p_sys->i_max_size ) )
241 msg_Dbg( p_stream, "Staring recording, waited %ds and %dbyte",
242 (int)((mdate() - p_sys->i_date_start)/1000000), (int)p_sys->i_size );
243 OutputStart( p_stream );
246 OutputSend( p_stream, id, p_buffer );
251 /*****************************************************************************
253 *****************************************************************************/
256 const char *psz_muxer;
257 const char *psz_extension;
259 vlc_fourcc_t codec[128];
260 } muxer_properties_t;
262 #define M(muxer, ext, count, ... ) { .psz_muxer = muxer, .psz_extension = ext, .i_es_max = count, .codec = { __VA_ARGS__, 0 } }
263 /* Table of native codec support,
264 * Do not do non native and non standard association !
265 * Muxer will be probe if no entry found */
266 static const muxer_properties_t p_muxers[] = {
267 M( "raw", "mp3", 1, VLC_FOURCC('m','p','g','a') ),
268 M( "raw", "a52", 1, VLC_FOURCC('a','5','2',' ') ),
269 M( "raw", "dts", 1, VLC_FOURCC('d','t','s',' ') ),
270 M( "raw", "mpc", 1, VLC_FOURCC('m','p','c',' ') ),
271 M( "raw", "ape", 1, VLC_FOURCC('A','P','E',' ') ),
273 M( "wav", "wav", 1, VLC_FOURCC('a','r','a','w'), VLC_FOURCC('u','8',' ',' '), VLC_FOURCC('s','1','6','l'),
274 VLC_FOURCC('s','2','4','l'), VLC_FOURCC('s','3','2','l'), VLC_FOURCC('f','l','3','2') ),
276 //M( "ffmpeg{mux=flac}", "flac", 1, VLC_FOURCC('f','l','a','c') ), BROKEN
278 M( "ogg", "ogg", INT_MAX, VLC_FOURCC('v','o','r','b'), VLC_FOURCC('s','p','x',' '), VLC_FOURCC('f','l','a','c'),
279 VLC_FOURCC('s','u','b','t'), VLC_FOURCC('t','h','e','o'), VLC_FOURCC('d','r','a','c') ),
281 M( "asf", "asf", 127, VLC_FOURCC('w','m','a','1'), VLC_FOURCC('w','m','a','2'), VLC_FOURCC('w','m','a',' '),
282 VLC_FOURCC('w','m','a','p'), VLC_FOURCC('w','m','a','l'),
283 VLC_FOURCC('W','M','V','1'), VLC_FOURCC('W','M','V','2'), VLC_FOURCC('W','M','V','3') ),
285 M( "mp4", "mp4", INT_MAX, VLC_FOURCC('m','p','4','a'), VLC_FOURCC('h','2','6','4'), VLC_FOURCC('m','p','4','v'),
286 VLC_FOURCC('s','u','b','t') ),
288 M( "ps", "ps", 16/* FIXME*/,VLC_FOURCC('m','p','g','v'), VLC_FOURCC('m','p','1','v'), VLC_FOURCC('m','p','2','v'),
289 VLC_FOURCC('m','p','g','a'), VLC_FOURCC('l','p','c','m'), VLC_FOURCC('a','5','2',' '),
290 VLC_FOURCC('d','t','s',' '),
291 VLC_FOURCC('s','p','u',' ') ),
293 M( "ts", "ts", 8000, VLC_FOURCC('m','p','g','v'), VLC_FOURCC('m','p','1','v'), VLC_FOURCC('m','p','2','v'),
294 VLC_FOURCC('h','2','6','4'),
295 VLC_FOURCC('m','p','g','a'), VLC_FOURCC('l','p','c','m'), VLC_FOURCC('a','5','2',' '),
296 VLC_FOURCC('d','t','s',' '), VLC_FOURCC('m','p','4','a'),
297 VLC_FOURCC('d','v','b','s'), VLC_FOURCC('t','e','l','x') ),
299 M( NULL, NULL, 0, 0 )
303 static int OutputNew( sout_stream_t *p_stream,
304 const char *psz_muxer, const char *psz_prefix, const char *psz_extension )
306 sout_stream_sys_t *p_sys = p_stream->p_sys;
310 if( asprintf( &psz_output, "std{access=file,mux='%s',dst='%s%s%s'}",
311 psz_muxer, psz_prefix, psz_extension ? "." : "", psz_extension ? psz_extension : "" ) < 0 )
314 /* Create the output */
315 msg_Dbg( p_stream, "Using record output `%s'", psz_output );
316 p_sys->p_out = sout_StreamNew( p_stream->p_sout, psz_output );
325 for( int i = 0; i < p_sys->i_id; i++ )
327 sout_stream_id_t *id = p_sys->id[i];
329 id->id = sout_StreamIdAdd( p_sys->p_out, &id->fmt );
337 static void OutputStart( sout_stream_t *p_stream )
339 sout_stream_sys_t *p_sys = p_stream->p_sys;
345 /* From now on drop packet that cannot be handled */
346 p_sys->b_drop = true;
348 /* Detect streams to smart select muxer */
349 const char *psz_muxer = NULL;
350 const char *psz_extension = NULL;
352 /* Look for prefered muxer
353 * TODO we could insert transcode in a few cases like
356 for( int i = 0; p_muxers[i].psz_muxer != NULL; i++ )
359 if( p_sys->i_id > p_muxers[i].i_es_max )
363 for( int j = 0; j < p_sys->i_id; j++ )
365 es_format_t *p_fmt = &p_sys->id[j]->fmt;
368 for( int k = 0; p_muxers[i].codec[k] != 0; k++ )
370 if( p_fmt->i_codec == p_muxers[i].codec[k] )
382 psz_muxer = p_muxers[i].psz_muxer;
383 psz_extension = p_muxers[i].psz_extension;
387 /* If failed, brute force our demuxers and select the one that
388 * keeps most of our stream */
389 if( !psz_muxer || !psz_extension )
391 static const char *ppsz_muxers[][2] = {
392 { "avi", "avi" }, { "mp4", "mp4" }, { "ogg", "ogg" },
393 { "asf", "asf" }, { "ts", "ts" }, { "ps", "ps" },
395 // XXX ffmpeg sefault really easily if you try an unsupported codec
396 // mov and avi at least segfault
397 { "ffmpeg{mux=avi}", "avi" },
398 { "ffmpeg{mux=mov}", "mov" },
399 { "ffmpeg{mux=mp4}", "mp4" },
400 { "ffmpeg{mux=nsv}", "nsv" },
401 { "ffmpeg{mux=flv}", "flv" },
408 msg_Warn( p_stream, "failed to find an adequate muxer, probing muxers" );
409 for( int i = 0; ppsz_muxers[i][0] != NULL; i++ )
414 psz_file = tempnam( NULL, "vlc" );
418 msg_Dbg( p_stream, "probing muxer %s", ppsz_muxers[i][0] );
419 i_es = OutputNew( p_stream, ppsz_muxers[i][0], psz_file, NULL );
423 utf8_unlink( psz_file );
429 for( int i = 0; i < p_sys->i_id; i++ )
431 sout_stream_id_t *id = p_sys->id[i];
434 sout_StreamIdDel( p_sys->p_out, id->id );
438 sout_StreamDelete( p_sys->p_out );
441 if( i_es > i_best_es )
446 if( i_best_es >= p_sys->i_id )
449 utf8_unlink( psz_file );
454 psz_muxer = ppsz_muxers[i_best][0];
455 psz_extension = ppsz_muxers[i_best][1];
456 msg_Dbg( p_stream, "using muxer %s with extension %s (%d/%d streams accepted)",
457 psz_muxer, psz_extension, i_best_es, p_sys->i_id );
460 /* Create the output */
461 if( OutputNew( p_stream, psz_muxer, p_sys->psz_prefix, psz_extension ) < 0 )
463 msg_Err( p_stream, "failed to open output");
467 /* Compute highest timestamp of first I over all streams */
468 p_sys->i_dts_start = 0;
469 for( int i = 0; i < p_sys->i_id; i++ )
471 sout_stream_id_t *id = p_sys->id[i];
474 if( !id->id || !id->p_first )
477 mtime_t i_dts = id->p_first->i_dts;
478 for( p_block = id->p_first; p_block != NULL; p_block = p_block->p_next )
480 if( p_block->i_flags & BLOCK_FLAG_TYPE_I )
482 i_dts = p_block->i_dts;
487 if( i_dts > p_sys->i_dts_start )
488 p_sys->i_dts_start = i_dts;
491 /* Send buffered data */
492 for( int i = 0; i < p_sys->i_id; i++ )
494 sout_stream_id_t *id = p_sys->id[i];
499 block_t *p_block = id->p_first;
502 block_t *p_next = p_block->p_next;
504 p_block->p_next = NULL;
506 OutputSend( p_stream, id, p_block );
512 id->pp_last = &id->p_first;
516 static void OutputSend( sout_stream_t *p_stream, sout_stream_id_t *id, block_t *p_block )
518 sout_stream_sys_t *p_sys = p_stream->p_sys;
522 /* We wait until the first key frame (if needed) and
523 * to be beyong i_dts_start (for stream without key frame) */
526 if( p_block->i_flags & BLOCK_FLAG_TYPE_I )
528 id->b_wait_key = false;
529 id->b_wait_start = false;
532 if( ( p_block->i_flags & BLOCK_FLAG_TYPE_MASK ) == 0 )
533 id->b_wait_key = false;
535 if( id->b_wait_start )
537 if( p_block->i_dts >=p_sys->i_dts_start )
538 id->b_wait_start = false;
540 if( id->b_wait_key || id->b_wait_start )
541 block_ChainRelease( p_block );
543 sout_StreamIdSend( p_sys->p_out, id->id, p_block );
545 else if( p_sys->b_drop )
547 block_ChainRelease( p_block );
553 block_ChainProperties( p_block, NULL, &i_size, NULL );
554 p_sys->i_size += i_size;
555 block_ChainLastAppend( &id->pp_last, p_block );