1 /*****************************************************************************
2 * transcode.c: transcoding stream output module
3 *****************************************************************************
4 * Copyright (C) 2003-2004 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * Gildas Bazin <gbazin@videolan.org>
9 * Jean-Paul Saman <jpsaman #_at_# m2x dot nl>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
24 *****************************************************************************/
26 /*****************************************************************************
28 *****************************************************************************/
34 #include <vlc/input.h>
37 #include <vlc/decoder.h>
38 #include "vlc_filter.h"
41 #define MASTER_SYNC_MAX_DRIFT 100000
43 /*****************************************************************************
45 *****************************************************************************/
46 #define VENC_TEXT N_("Video encoder")
47 #define VENC_LONGTEXT N_( \
48 "Allows you to specify the video encoder to use and its associated " \
50 #define VCODEC_TEXT N_("Destination video codec")
51 #define VCODEC_LONGTEXT N_( \
52 "Allows you to specify the destination video codec used for the " \
54 #define VB_TEXT N_("Video bitrate")
55 #define VB_LONGTEXT N_( \
56 "Allows you to specify the video bitrate used for the streaming " \
58 #define SCALE_TEXT N_("Video scaling")
59 #define SCALE_LONGTEXT N_( \
60 "Allows you to scale the video before encoding." )
61 #define FPS_TEXT N_("Video frame-rate")
62 #define FPS_LONGTEXT N_( \
63 "Allows you to specify an output frame rate for the video." )
64 #define DEINTERLACE_TEXT N_("Deinterlace video")
65 #define DEINTERLACE_LONGTEXT N_( \
66 "Allows you to deinterlace the video before encoding." )
67 #define DEINTERLACE_MODULE_TEXT N_("Deinterlace module")
68 #define DEINTERLACE_MODULE_LONGTEXT N_( \
69 "Specifies the deinterlace module to use." )
70 #define WIDTH_TEXT N_("Video width")
71 #define WIDTH_LONGTEXT N_( \
72 "Allows you to specify the output video width." )
73 #define HEIGHT_TEXT N_("Video height")
74 #define HEIGHT_LONGTEXT N_( \
75 "Allows you to specify the output video height." )
76 #define MAXWIDTH_TEXT N_("Maximum video width")
77 #define MAXWIDTH_LONGTEXT N_( \
78 "Allows you to specify a maximum output video width." )
79 #define MAXHEIGHT_TEXT N_("Maximum video height")
80 #define MAXHEIGHT_LONGTEXT N_( \
81 "Allows you to specify a maximum output video height." )
82 #define VFILTER_TEXT N_("Video filter")
83 #define VFILTER_LONGTEXT N_( \
84 "Allows you to specify video filters used after the video " \
85 "transcoding and subpictures overlaying." )
87 #define CROPTOP_TEXT N_("Video crop top")
88 #define CROPTOP_LONGTEXT N_( \
89 "Allows you to specify the top coordinate for the video cropping." )
90 #define CROPLEFT_TEXT N_("Video crop left")
91 #define CROPLEFT_LONGTEXT N_( \
92 "Allows you to specify the left coordinate for the video cropping." )
93 #define CROPBOTTOM_TEXT N_("Video crop bottom")
94 #define CROPBOTTOM_LONGTEXT N_( \
95 "Allows you to specify the bottom coordinate for the video cropping." )
96 #define CROPRIGHT_TEXT N_("Video crop right")
97 #define CROPRIGHT_LONGTEXT N_( \
98 "Allows you to specify the right coordinate for the video cropping." )
100 #define AENC_TEXT N_("Audio encoder")
101 #define AENC_LONGTEXT N_( \
102 "Allows you to specify the audio encoder to use and its associated " \
104 #define ACODEC_TEXT N_("Destination audio codec")
105 #define ACODEC_LONGTEXT N_( \
106 "Allows you to specify the destination audio codec used for the " \
107 "streaming output." )
108 #define AB_TEXT N_("Audio bitrate")
109 #define AB_LONGTEXT N_( \
110 "Allows you to specify the audio bitrate used for the streaming " \
112 #define ARATE_TEXT N_("Audio sample rate")
113 #define ARATE_LONGTEXT N_( \
114 "Allows you to specify the audio sample rate used for the streaming " \
116 #define ACHANS_TEXT N_("Audio channels")
117 #define ACHANS_LONGTEXT N_( \
118 "Allows you to specify the number of audio channels used for the " \
119 "streaming output." )
121 #define SENC_TEXT N_("Subtitles encoder")
122 #define SENC_LONGTEXT N_( \
123 "Allows you to specify the subtitles encoder to use and its associated " \
125 #define SCODEC_TEXT N_("Destination subtitles codec")
126 #define SCODEC_LONGTEXT N_( \
127 "Allows you to specify the destination subtitles codec used for the " \
128 "streaming output." )
129 #define SFILTER_TEXT N_("Subpictures filter")
130 #define SFILTER_LONGTEXT N_( \
131 "Allows you to specify subpictures filters used during the video " \
132 "transcoding. The subpictures produced by the filters will be overlayed " \
133 "directly onto the video." )
135 #define OSD_TEXT N_("OSD menu")
136 #define OSD_LONGTEXT N_(\
137 "Enable streaming of the On Screen Display. It uses the osdmenu subfilter." )
139 #define THREADS_TEXT N_("Number of threads")
140 #define THREADS_LONGTEXT N_( \
141 "Allows you to specify the number of threads used for the transcoding." )
142 #define HP_TEXT N_("High priority")
143 #define HP_LONGTEXT N_( \
144 "Runs the optional encoder thread at the OUTPUT priority instead of " \
147 #define ASYNC_TEXT N_("Synchronise on audio track")
148 #define ASYNC_LONGTEXT N_( \
149 "This option will drop/duplicate video frames to synchronise the video " \
150 "track on the audio track." )
152 #define HURRYUP_TEXT N_( "Hurry up" )
153 #define HURRYUP_LONGTEXT N_( "Allows you to specify if the transcoder " \
154 "should drop frames if your CPU can't keep up with the encoding rate." )
156 static char *ppsz_deinterlace_type[] =
158 "deinterlace", "ffmpeg-deinterlace"
161 static int Open ( vlc_object_t * );
162 static void Close( vlc_object_t * );
164 #define SOUT_CFG_PREFIX "sout-transcode-"
167 set_shortname( _("Transcode"));
168 set_description( _("Transcode stream output") );
169 set_capability( "sout stream", 50 );
170 add_shortcut( "transcode" );
171 set_callbacks( Open, Close );
172 set_category( CAT_SOUT );
173 set_subcategory( SUBCAT_SOUT_STREAM );
174 set_section( N_("Video"), NULL );
175 add_string( SOUT_CFG_PREFIX "venc", NULL, NULL, VENC_TEXT,
176 VENC_LONGTEXT, VLC_FALSE );
177 add_string( SOUT_CFG_PREFIX "vcodec", NULL, NULL, VCODEC_TEXT,
178 VCODEC_LONGTEXT, VLC_FALSE );
179 add_integer( SOUT_CFG_PREFIX "vb", 800 * 1000, NULL, VB_TEXT,
180 VB_LONGTEXT, VLC_FALSE );
181 add_float( SOUT_CFG_PREFIX "scale", 1, NULL, SCALE_TEXT,
182 SCALE_LONGTEXT, VLC_FALSE );
183 add_float( SOUT_CFG_PREFIX "fps", 0, NULL, FPS_TEXT,
184 FPS_LONGTEXT, VLC_FALSE );
185 add_bool( SOUT_CFG_PREFIX "hurry-up", VLC_TRUE, NULL, HURRYUP_TEXT,
186 HURRYUP_LONGTEXT, VLC_FALSE );
187 add_bool( SOUT_CFG_PREFIX "deinterlace", 0, NULL, DEINTERLACE_TEXT,
188 DEINTERLACE_LONGTEXT, VLC_FALSE );
189 add_string( SOUT_CFG_PREFIX "deinterlace-module", "deinterlace", NULL,
190 DEINTERLACE_MODULE_TEXT, DEINTERLACE_MODULE_LONGTEXT,
192 change_string_list( ppsz_deinterlace_type, 0, 0 );
193 add_integer( SOUT_CFG_PREFIX "width", 0, NULL, WIDTH_TEXT,
194 WIDTH_LONGTEXT, VLC_TRUE );
195 add_integer( SOUT_CFG_PREFIX "height", 0, NULL, HEIGHT_TEXT,
196 HEIGHT_LONGTEXT, VLC_TRUE );
197 add_integer( SOUT_CFG_PREFIX "maxwidth", 0, NULL, MAXWIDTH_TEXT,
198 MAXWIDTH_LONGTEXT, VLC_TRUE );
199 add_integer( SOUT_CFG_PREFIX "maxheight", 0, NULL, MAXHEIGHT_TEXT,
200 MAXHEIGHT_LONGTEXT, VLC_TRUE );
201 add_module_list_cat( SOUT_CFG_PREFIX "vfilter", SUBCAT_VIDEO_VFILTER,
203 VFILTER_TEXT, VFILTER_LONGTEXT, VLC_FALSE );
205 add_integer( SOUT_CFG_PREFIX "croptop", 0, NULL, CROPTOP_TEXT,
206 CROPTOP_LONGTEXT, VLC_TRUE );
207 add_integer( SOUT_CFG_PREFIX "cropleft", 0, NULL, CROPLEFT_TEXT,
208 CROPLEFT_LONGTEXT, VLC_TRUE );
209 add_integer( SOUT_CFG_PREFIX "cropbottom", 0, NULL, CROPBOTTOM_TEXT,
210 CROPBOTTOM_LONGTEXT, VLC_TRUE );
211 add_integer( SOUT_CFG_PREFIX "cropright", 0, NULL, CROPRIGHT_TEXT,
212 CROPRIGHT_LONGTEXT, VLC_TRUE );
214 set_section( N_("Audio"), NULL );
215 add_string( SOUT_CFG_PREFIX "aenc", NULL, NULL, AENC_TEXT,
216 AENC_LONGTEXT, VLC_FALSE );
217 add_string( SOUT_CFG_PREFIX "acodec", NULL, NULL, ACODEC_TEXT,
218 ACODEC_LONGTEXT, VLC_FALSE );
219 add_integer( SOUT_CFG_PREFIX "ab", 64000, NULL, AB_TEXT,
220 AB_LONGTEXT, VLC_FALSE );
221 add_integer( SOUT_CFG_PREFIX "channels", 0, NULL, ACHANS_TEXT,
222 ACHANS_LONGTEXT, VLC_FALSE );
223 add_integer( SOUT_CFG_PREFIX "samplerate", 0, NULL, ARATE_TEXT,
224 ARATE_LONGTEXT, VLC_TRUE );
225 add_bool( SOUT_CFG_PREFIX "audio-sync", 0, NULL, ASYNC_TEXT,
226 ASYNC_LONGTEXT, VLC_FALSE );
228 set_section( N_("Overlays/Subtitles"), NULL );
229 add_string( SOUT_CFG_PREFIX "senc", NULL, NULL, SENC_TEXT,
230 SENC_LONGTEXT, VLC_FALSE );
231 add_string( SOUT_CFG_PREFIX "scodec", NULL, NULL, SCODEC_TEXT,
232 SCODEC_LONGTEXT, VLC_FALSE );
233 add_bool( SOUT_CFG_PREFIX "soverlay", 0, NULL, SCODEC_TEXT,
234 SCODEC_LONGTEXT, VLC_FALSE );
235 add_module_list_cat( SOUT_CFG_PREFIX "sfilter", SUBCAT_VIDEO_SUBPIC,
237 SFILTER_TEXT, SFILTER_LONGTEXT, VLC_FALSE );
239 set_section( N_("On Screen Display"), NULL );
240 add_bool( SOUT_CFG_PREFIX "osd", 0, NULL, OSD_TEXT,
241 OSD_LONGTEXT, VLC_FALSE );
243 set_section( N_("Miscellaneous"), NULL );
244 add_integer( SOUT_CFG_PREFIX "threads", 0, NULL, THREADS_TEXT,
245 THREADS_LONGTEXT, VLC_TRUE );
246 add_bool( SOUT_CFG_PREFIX "high-priority", 0, NULL, HP_TEXT, HP_LONGTEXT,
251 static const char *ppsz_sout_options[] = {
252 "venc", "vcodec", "vb", "croptop", "cropbottom", "cropleft", "cropright",
253 "scale", "fps", "width", "height", "vfilter", "deinterlace",
254 "deinterlace-module", "threads", "hurry-up", "aenc", "acodec", "ab",
255 "samplerate", "channels", "senc", "scodec", "soverlay", "sfilter",
256 "osd", "audio-sync", "high-priority", "maxwidth", "maxheight", NULL
259 /*****************************************************************************
260 * Exported prototypes
261 *****************************************************************************/
262 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
263 static int Del ( sout_stream_t *, sout_stream_id_t * );
264 static int Send( sout_stream_t *, sout_stream_id_t *, block_t* );
266 static int transcode_audio_new ( sout_stream_t *, sout_stream_id_t * );
267 static void transcode_audio_close ( sout_stream_t *, sout_stream_id_t * );
268 static int transcode_audio_process( sout_stream_t *, sout_stream_id_t *,
269 block_t *, block_t ** );
271 static aout_buffer_t *audio_new_buffer( decoder_t *, int );
272 static void audio_del_buffer( decoder_t *, aout_buffer_t * );
274 static int transcode_video_new ( sout_stream_t *, sout_stream_id_t * );
275 static void transcode_video_close ( sout_stream_t *, sout_stream_id_t * );
276 static int transcode_video_encoder_open( sout_stream_t *, sout_stream_id_t *);
277 static int transcode_video_process( sout_stream_t *, sout_stream_id_t *,
278 block_t *, block_t ** );
280 static void video_del_buffer( vlc_object_t *, picture_t * );
281 static picture_t *video_new_buffer_decoder( decoder_t * );
282 static void video_del_buffer_decoder( decoder_t *, picture_t * );
283 static void video_link_picture_decoder( decoder_t *, picture_t * );
284 static void video_unlink_picture_decoder( decoder_t *, picture_t * );
285 static picture_t *video_new_buffer_filter( filter_t * );
286 static void video_del_buffer_filter( filter_t *, picture_t * );
288 static int transcode_spu_new ( sout_stream_t *, sout_stream_id_t * );
289 static void transcode_spu_close ( sout_stream_t *, sout_stream_id_t * );
290 static int transcode_spu_process( sout_stream_t *, sout_stream_id_t *,
291 block_t *, block_t ** );
293 static int transcode_osd_new ( sout_stream_t *, sout_stream_id_t * );
294 static void transcode_osd_close ( sout_stream_t *, sout_stream_id_t * );
295 static int transcode_osd_process( sout_stream_t *, sout_stream_id_t *,
296 block_t *, block_t ** );
298 static int EncoderThread( struct sout_stream_sys_t * p_sys );
300 static int pi_channels_maps[6] =
303 AOUT_CHAN_CENTER, AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
304 AOUT_CHAN_CENTER | AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
305 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT
306 | AOUT_CHAN_REARRIGHT,
307 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
308 | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT
311 #define PICTURE_RING_SIZE 64
312 #define SUBPICTURE_RING_SIZE 20
314 struct sout_stream_sys_t
318 sout_stream_t *p_out;
319 sout_stream_id_t *id_video;
321 vlc_mutex_t lock_out;
323 picture_t * pp_pics[PICTURE_RING_SIZE];
324 int i_first_pic, i_last_pic;
327 vlc_fourcc_t i_acodec; /* codec audio (0 if not transcode) */
329 sout_cfg_t *p_audio_cfg;
335 vlc_fourcc_t i_vcodec; /* codec video (0 if not transcode) */
337 sout_cfg_t *p_video_cfg;
341 unsigned int i_width, i_maxwidth;
342 unsigned int i_height, i_maxheight;
343 vlc_bool_t b_deinterlace;
344 char *psz_deinterlace;
345 sout_cfg_t *p_deinterlace_cfg;
347 vlc_bool_t b_high_priority;
348 vlc_bool_t b_hurry_up;
349 char *psz_vfilters[10];
350 sout_cfg_t *p_vfilters_cfg[10];
359 vlc_fourcc_t i_scodec; /* codec spu (0 if not transcode) */
361 vlc_bool_t b_soverlay;
362 sout_cfg_t *p_spu_cfg;
366 sout_stream_id_t *id_osd; /* extension for streaming OSD menus */
367 vlc_fourcc_t i_osdcodec; /* codec osd menu (0 if not transcode) */
369 sout_cfg_t *p_osd_cfg;
370 vlc_bool_t b_es_osd; /* VLC_TRUE when osd es is registered */
371 vlc_bool_t b_sout_osd;
374 vlc_bool_t b_master_sync;
375 mtime_t i_master_drift;
378 struct decoder_owner_sys_t
380 picture_t *pp_pics[PICTURE_RING_SIZE];
381 sout_stream_sys_t *p_sys;
383 struct filter_owner_sys_t
385 picture_t *pp_pics[PICTURE_RING_SIZE];
386 sout_stream_sys_t *p_sys;
389 /*****************************************************************************
391 *****************************************************************************/
392 static int Open( vlc_object_t *p_this )
394 sout_stream_t *p_stream = (sout_stream_t*)p_this;
395 sout_stream_sys_t *p_sys;
398 p_sys = vlc_object_create( p_this, sizeof( sout_stream_sys_t ) );
400 p_sys->p_out = sout_StreamNew( p_stream->p_sout, p_stream->psz_next );
403 msg_Err( p_stream, "cannot create chain" );
404 vlc_object_destroy( p_sys );
408 p_sys->i_master_drift = 0;
410 sout_CfgParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options,
413 /* Audio transcoding parameters */
414 var_Get( p_stream, SOUT_CFG_PREFIX "aenc", &val );
415 p_sys->psz_aenc = NULL;
416 p_sys->p_audio_cfg = NULL;
417 if( val.psz_string && *val.psz_string )
420 psz_next = sout_CfgCreate( &p_sys->psz_aenc, &p_sys->p_audio_cfg,
422 if( psz_next ) free( psz_next );
424 if( val.psz_string ) free( val.psz_string );
426 var_Get( p_stream, SOUT_CFG_PREFIX "acodec", &val );
428 if( val.psz_string && *val.psz_string )
431 memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
432 p_sys->i_acodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
434 if( val.psz_string ) free( val.psz_string );
436 var_Get( p_stream, SOUT_CFG_PREFIX "ab", &val );
437 p_sys->i_abitrate = val.i_int;
438 if( p_sys->i_abitrate < 4000 ) p_sys->i_abitrate *= 1000;
440 var_Get( p_stream, SOUT_CFG_PREFIX "samplerate", &val );
441 p_sys->i_sample_rate = val.i_int;
443 var_Get( p_stream, SOUT_CFG_PREFIX "channels", &val );
444 p_sys->i_channels = val.i_int;
446 if( p_sys->i_acodec )
448 if( (strncmp( (char *)&p_sys->i_acodec, "mp3", 3) == 0) &&
449 (p_sys->i_channels > 2) )
451 msg_Warn( p_stream, "%d channels invalid for mp3, forcing to 2",
453 p_sys->i_channels = 2;
455 msg_Dbg( p_stream, "codec audio=%4.4s %dHz %d channels %dKb/s",
456 (char *)&p_sys->i_acodec, p_sys->i_sample_rate,
457 p_sys->i_channels, p_sys->i_abitrate / 1000 );
460 /* Video transcoding parameters */
461 var_Get( p_stream, SOUT_CFG_PREFIX "venc", &val );
462 p_sys->psz_venc = NULL;
463 p_sys->p_video_cfg = NULL;
464 if( val.psz_string && *val.psz_string )
467 psz_next = sout_CfgCreate( &p_sys->psz_venc, &p_sys->p_video_cfg,
469 if( psz_next ) free( psz_next );
471 if( val.psz_string ) free( val.psz_string );
473 var_Get( p_stream, SOUT_CFG_PREFIX "vcodec", &val );
475 if( val.psz_string && *val.psz_string )
478 memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
479 p_sys->i_vcodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
481 if( val.psz_string ) free( val.psz_string );
483 var_Get( p_stream, SOUT_CFG_PREFIX "vb", &val );
484 p_sys->i_vbitrate = val.i_int;
485 if( p_sys->i_vbitrate < 16000 ) p_sys->i_vbitrate *= 1000;
487 var_Get( p_stream, SOUT_CFG_PREFIX "scale", &val );
488 p_sys->f_scale = val.f_float;
490 var_Get( p_stream, SOUT_CFG_PREFIX "fps", &val );
491 p_sys->f_fps = val.f_float;
493 var_Get( p_stream, SOUT_CFG_PREFIX "hurry-up", &val );
494 p_sys->b_hurry_up = val.b_bool;
496 var_Get( p_stream, SOUT_CFG_PREFIX "width", &val );
497 p_sys->i_width = val.i_int;
499 var_Get( p_stream, SOUT_CFG_PREFIX "height", &val );
500 p_sys->i_height = val.i_int;
502 var_Get( p_stream, SOUT_CFG_PREFIX "maxwidth", &val );
503 p_sys->i_maxwidth = val.i_int;
505 var_Get( p_stream, SOUT_CFG_PREFIX "maxheight", &val );
506 p_sys->i_maxheight = val.i_int;
508 var_Get( p_stream, SOUT_CFG_PREFIX "vfilter", &val );
509 p_sys->i_vfilters = 0;
510 if( val.psz_string && *val.psz_string )
512 char *psz_parser = val.psz_string;
514 while( psz_parser != NULL && *psz_parser != '\0' )
516 psz_parser = sout_CfgCreate(
517 &p_sys->psz_vfilters[p_sys->i_vfilters],
518 &p_sys->p_vfilters_cfg[p_sys->i_vfilters],
521 if( psz_parser != NULL && *psz_parser != '\0' ) psz_parser++;
524 if( val.psz_string ) free( val.psz_string );
525 p_sys->psz_vfilters[p_sys->i_vfilters] = NULL;
526 p_sys->p_vfilters_cfg[p_sys->i_vfilters] = NULL;
528 var_Get( p_stream, SOUT_CFG_PREFIX "deinterlace", &val );
529 p_sys->b_deinterlace = val.b_bool;
531 var_Get( p_stream, SOUT_CFG_PREFIX "deinterlace-module", &val );
532 p_sys->psz_deinterlace = NULL;
533 p_sys->p_deinterlace_cfg = NULL;
534 if( val.psz_string && *val.psz_string )
537 psz_next = sout_CfgCreate( &p_sys->psz_deinterlace,
538 &p_sys->p_deinterlace_cfg,
540 if( psz_next ) free( psz_next );
542 if( val.psz_string ) free( val.psz_string );
544 var_Get( p_stream, SOUT_CFG_PREFIX "croptop", &val );
545 p_sys->i_crop_top = val.i_int;
546 var_Get( p_stream, SOUT_CFG_PREFIX "cropbottom", &val );
547 p_sys->i_crop_bottom = val.i_int;
548 var_Get( p_stream, SOUT_CFG_PREFIX "cropleft", &val );
549 p_sys->i_crop_left = val.i_int;
550 var_Get( p_stream, SOUT_CFG_PREFIX "cropright", &val );
551 p_sys->i_crop_right = val.i_int;
553 var_Get( p_stream, SOUT_CFG_PREFIX "threads", &val );
554 p_sys->i_threads = val.i_int;
555 var_Get( p_stream, SOUT_CFG_PREFIX "high-priority", &val );
556 p_sys->b_high_priority = val.b_bool;
558 if( p_sys->i_vcodec )
560 msg_Dbg( p_stream, "codec video=%4.4s %dx%d scaling: %f %dkb/s",
561 (char *)&p_sys->i_vcodec, p_sys->i_width, p_sys->i_height,
562 p_sys->f_scale, p_sys->i_vbitrate / 1000 );
565 /* Subpictures transcoding parameters */
567 p_sys->psz_senc = NULL;
568 p_sys->p_spu_cfg = NULL;
571 var_Get( p_stream, SOUT_CFG_PREFIX "senc", &val );
572 if( val.psz_string && *val.psz_string )
575 psz_next = sout_CfgCreate( &p_sys->psz_senc, &p_sys->p_spu_cfg,
577 if( psz_next ) free( psz_next );
579 if( val.psz_string ) free( val.psz_string );
581 var_Get( p_stream, SOUT_CFG_PREFIX "scodec", &val );
582 if( val.psz_string && *val.psz_string )
585 memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
586 p_sys->i_scodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
588 if( val.psz_string ) free( val.psz_string );
590 if( p_sys->i_scodec )
592 msg_Dbg( p_stream, "codec spu=%4.4s", (char *)&p_sys->i_scodec );
595 var_Get( p_stream, SOUT_CFG_PREFIX "soverlay", &val );
596 p_sys->b_soverlay = val.b_bool;
598 var_Get( p_stream, SOUT_CFG_PREFIX "sfilter", &val );
599 if( val.psz_string && *val.psz_string )
601 p_sys->p_spu = spu_Create( p_stream );
602 var_Create( p_sys->p_spu, "sub-filter", VLC_VAR_STRING );
603 var_Set( p_sys->p_spu, "sub-filter", val );
604 spu_Init( p_sys->p_spu );
606 if( val.psz_string ) free( val.psz_string );
608 /* OSD menu transcoding parameters */
609 p_sys->psz_osdenc = NULL;
610 p_sys->p_osd_cfg = NULL;
611 p_sys->i_osdcodec = 0;
612 p_sys->b_es_osd = VLC_FALSE;
614 var_Get( p_stream, SOUT_CFG_PREFIX "osd", &val );
615 p_sys->b_sout_osd = val.b_bool;
616 if( p_sys->b_sout_osd )
621 psz_next = sout_CfgCreate( &p_sys->psz_osdenc,
622 &p_sys->p_osd_cfg, strdup( "dvbsub") );
623 if( psz_next ) free( psz_next );
625 p_sys->i_osdcodec = VLC_FOURCC('Y','U','V','P' );
627 msg_Dbg( p_stream, "codec osd=%4.4s", (char *)&p_sys->i_osdcodec );
631 osd_val.psz_string = strdup("osdmenu");
632 p_sys->p_spu = spu_Create( p_stream );
633 var_Create( p_sys->p_spu, "sub-filter", VLC_VAR_STRING );
634 var_Set( p_sys->p_spu, "sub-filter", osd_val );
635 spu_Init( p_sys->p_spu );
636 if( osd_val.psz_string ) free( osd_val.psz_string );
640 osd_val.psz_string = strdup("osdmenu");
641 var_Set( p_sys->p_spu, "sub-filter", osd_val );
642 if( osd_val.psz_string ) free( osd_val.psz_string );
647 var_Get( p_stream, SOUT_CFG_PREFIX "audio-sync", &val );
648 p_sys->b_master_sync = val.b_bool;
649 if( p_sys->f_fps > 0 ) p_sys->b_master_sync = VLC_TRUE;
651 p_stream->pf_add = Add;
652 p_stream->pf_del = Del;
653 p_stream->pf_send = Send;
654 p_stream->p_sys = p_sys;
659 /*****************************************************************************
661 *****************************************************************************/
662 static void Close( vlc_object_t * p_this )
664 sout_stream_t *p_stream = (sout_stream_t*)p_this;
665 sout_stream_sys_t *p_sys = p_stream->p_sys;
667 sout_StreamDelete( p_sys->p_out );
669 while( p_sys->p_audio_cfg != NULL )
671 sout_cfg_t *p_next = p_sys->p_audio_cfg->p_next;
673 if( p_sys->p_audio_cfg->psz_name )
674 free( p_sys->p_audio_cfg->psz_name );
675 if( p_sys->p_audio_cfg->psz_value )
676 free( p_sys->p_audio_cfg->psz_value );
677 free( p_sys->p_audio_cfg );
679 p_sys->p_audio_cfg = p_next;
681 if( p_sys->psz_aenc ) free( p_sys->psz_aenc );
683 while( p_sys->p_video_cfg != NULL )
685 sout_cfg_t *p_next = p_sys->p_video_cfg->p_next;
687 if( p_sys->p_video_cfg->psz_name )
688 free( p_sys->p_video_cfg->psz_name );
689 if( p_sys->p_video_cfg->psz_value )
690 free( p_sys->p_video_cfg->psz_value );
691 free( p_sys->p_video_cfg );
693 p_sys->p_video_cfg = p_next;
695 if( p_sys->psz_venc ) free( p_sys->psz_venc );
697 while( p_sys->p_deinterlace_cfg != NULL )
699 sout_cfg_t *p_next = p_sys->p_deinterlace_cfg->p_next;
701 if( p_sys->p_deinterlace_cfg->psz_name )
702 free( p_sys->p_deinterlace_cfg->psz_name );
703 if( p_sys->p_deinterlace_cfg->psz_value )
704 free( p_sys->p_deinterlace_cfg->psz_value );
705 free( p_sys->p_deinterlace_cfg );
707 p_sys->p_deinterlace_cfg = p_next;
709 if( p_sys->psz_deinterlace ) free( p_sys->psz_deinterlace );
711 while( p_sys->p_spu_cfg != NULL )
713 sout_cfg_t *p_next = p_sys->p_spu_cfg->p_next;
715 if( p_sys->p_spu_cfg->psz_name )
716 free( p_sys->p_spu_cfg->psz_name );
717 if( p_sys->p_spu_cfg->psz_value )
718 free( p_sys->p_spu_cfg->psz_value );
719 free( p_sys->p_spu_cfg );
721 p_sys->p_spu_cfg = p_next;
723 if( p_sys->psz_senc ) free( p_sys->psz_senc );
725 if( p_sys->p_spu ) spu_Destroy( p_sys->p_spu );
727 while( p_sys->p_osd_cfg != NULL )
729 sout_cfg_t *p_next = p_sys->p_osd_cfg->p_next;
731 if( p_sys->p_osd_cfg->psz_name )
732 free( p_sys->p_osd_cfg->psz_name );
733 if( p_sys->p_osd_cfg->psz_value )
734 free( p_sys->p_osd_cfg->psz_value );
735 free( p_sys->p_osd_cfg );
737 p_sys->p_osd_cfg = p_next;
739 if( p_sys->psz_osdenc ) free( p_sys->psz_osdenc );
741 vlc_object_destroy( p_sys );
744 struct sout_stream_id_t
746 vlc_fourcc_t b_transcode;
748 /* id of the out stream */
752 decoder_t *p_decoder;
755 filter_t *pp_filter[10];
757 filter_t *pp_vfilter[10];
761 encoder_t *p_encoder;
764 date_t interpolated_pts;
767 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
769 sout_stream_sys_t *p_sys = p_stream->p_sys;
770 sout_stream_id_t *id;
772 id = malloc( sizeof( sout_stream_id_t ) );
773 memset( id, 0, sizeof(sout_stream_id_t) );
776 id->p_decoder = NULL;
777 id->p_encoder = NULL;
779 /* Create decoder object */
780 id->p_decoder = vlc_object_create( p_stream, VLC_OBJECT_DECODER );
783 msg_Err( p_stream, "out of memory" );
786 vlc_object_attach( id->p_decoder, p_stream );
787 id->p_decoder->p_module = NULL;
788 id->p_decoder->fmt_in = *p_fmt;
789 id->p_decoder->b_pace_control = VLC_TRUE;
791 /* Create encoder object */
792 id->p_encoder = vlc_object_create( p_stream, VLC_OBJECT_ENCODER );
795 msg_Err( p_stream, "out of memory" );
798 vlc_object_attach( id->p_encoder, p_stream );
799 id->p_encoder->p_module = NULL;
801 /* Create destination format */
802 es_format_Init( &id->p_encoder->fmt_out, p_fmt->i_cat, 0 );
803 id->p_encoder->fmt_out.i_id = p_fmt->i_id;
804 id->p_encoder->fmt_out.i_group = p_fmt->i_group;
805 if( p_fmt->psz_language )
806 id->p_encoder->fmt_out.psz_language = strdup( p_fmt->psz_language );
808 if( p_fmt->i_cat == AUDIO_ES && (p_sys->i_acodec || p_sys->psz_aenc) )
811 "creating audio transcoding from fcc=`%4.4s' to fcc=`%4.4s'",
812 (char*)&p_fmt->i_codec, (char*)&p_sys->i_acodec );
814 /* Complete destination format */
815 id->p_encoder->fmt_out.i_codec = p_sys->i_acodec;
816 id->p_encoder->fmt_out.audio.i_rate = p_sys->i_sample_rate > 0 ?
817 p_sys->i_sample_rate : (int)p_fmt->audio.i_rate;
818 id->p_encoder->fmt_out.i_bitrate = p_sys->i_abitrate;
819 id->p_encoder->fmt_out.audio.i_bitspersample =
820 p_fmt->audio.i_bitspersample;
821 id->p_encoder->fmt_out.audio.i_channels = p_sys->i_channels > 0 ?
822 p_sys->i_channels : p_fmt->audio.i_channels;
823 /* Sanity check for audio channels */
824 id->p_encoder->fmt_out.audio.i_channels =
825 __MIN( id->p_encoder->fmt_out.audio.i_channels,
826 id->p_decoder->fmt_in.audio.i_channels );
827 id->p_encoder->fmt_out.audio.i_original_channels =
828 id->p_decoder->fmt_in.audio.i_physical_channels;
829 if( id->p_decoder->fmt_in.audio.i_channels ==
830 id->p_encoder->fmt_out.audio.i_channels )
832 id->p_encoder->fmt_out.audio.i_physical_channels =
833 id->p_decoder->fmt_in.audio.i_physical_channels;
837 id->p_encoder->fmt_out.audio.i_physical_channels =
838 pi_channels_maps[id->p_encoder->fmt_out.audio.i_channels];
841 /* Build decoder -> filter -> encoder chain */
842 if( transcode_audio_new( p_stream, id ) )
844 msg_Err( p_stream, "cannot create audio chain" );
848 /* Open output stream */
849 id->id = p_sys->p_out->pf_add( p_sys->p_out, &id->p_encoder->fmt_out );
850 id->b_transcode = VLC_TRUE;
854 transcode_audio_close( p_stream, id );
858 date_Init( &id->interpolated_pts, p_fmt->audio.i_rate, 1 );
860 else if( p_fmt->i_cat == VIDEO_ES &&
861 (p_sys->i_vcodec != 0 || p_sys->psz_venc) )
864 "creating video transcoding from fcc=`%4.4s' to fcc=`%4.4s'",
865 (char*)&p_fmt->i_codec, (char*)&p_sys->i_vcodec );
867 /* Complete destination format */
868 id->p_encoder->fmt_out.i_codec = p_sys->i_vcodec;
869 id->p_encoder->fmt_out.video.i_width = p_sys->i_width;
870 id->p_encoder->fmt_out.video.i_height = p_sys->i_height;
871 id->p_encoder->fmt_out.i_bitrate = p_sys->i_vbitrate;
873 /* Build decoder -> filter -> encoder chain */
874 if( transcode_video_new( p_stream, id ) )
876 msg_Err( p_stream, "cannot create video chain" );
880 /* Stream will be added later on because we don't know
881 * all the characteristics of the decoded stream yet */
882 id->b_transcode = VLC_TRUE;
884 if( p_sys->f_fps > 0 )
886 id->p_encoder->fmt_out.video.i_frame_rate =
887 (p_sys->f_fps * 1001) + 0.5;
888 id->p_encoder->fmt_out.video.i_frame_rate_base = 1001;
891 else if( p_fmt->i_cat == SPU_ES && (p_sys->i_scodec || p_sys->psz_senc) )
893 msg_Dbg( p_stream, "creating subtitles transcoding from fcc=`%4.4s' "
894 "to fcc=`%4.4s'", (char*)&p_fmt->i_codec,
895 (char*)&p_sys->i_scodec );
897 /* Complete destination format */
898 id->p_encoder->fmt_out.i_codec = p_sys->i_scodec;
900 /* build decoder -> filter -> encoder */
901 if( transcode_spu_new( p_stream, id ) )
903 msg_Err( p_stream, "cannot create subtitles chain" );
907 /* open output stream */
908 id->id = p_sys->p_out->pf_add( p_sys->p_out, &id->p_encoder->fmt_out );
909 id->b_transcode = VLC_TRUE;
913 transcode_spu_close( p_stream, id );
917 else if( p_fmt->i_cat == SPU_ES && p_sys->b_soverlay )
919 msg_Dbg( p_stream, "subtitles (fcc=`%4.4s') overlaying",
920 (char*)&p_fmt->i_codec );
922 id->b_transcode = VLC_TRUE;
924 /* Build decoder -> filter -> overlaying chain */
925 if( transcode_spu_new( p_stream, id ) )
927 msg_Err( p_stream, "cannot create subtitles chain" );
933 msg_Dbg( p_stream, "not transcoding a stream (fcc=`%4.4s')",
934 (char*)&p_fmt->i_codec );
935 id->id = p_sys->p_out->pf_add( p_sys->p_out, p_fmt );
936 id->b_transcode = VLC_FALSE;
938 if( !id->id ) goto error;
941 if( p_sys->b_sout_osd )
943 /* Create a fake OSD menu elementary stream */
944 if( !p_sys->b_es_osd && (p_sys->i_osdcodec != 0 || p_sys->psz_osdenc) )
946 if( transcode_osd_new( p_stream, p_sys->id_osd ) )
948 msg_Err( p_stream, "cannot create osd chain" );
951 p_sys->b_es_osd = VLC_TRUE;
959 vlc_object_detach( id->p_decoder );
960 vlc_object_destroy( id->p_decoder );
965 vlc_object_detach( id->p_encoder );
966 es_format_Clean( &id->p_encoder->fmt_out );
967 vlc_object_destroy( id->p_encoder );
974 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
976 sout_stream_sys_t *p_sys = p_stream->p_sys;
978 if( p_sys->b_es_osd )
979 transcode_osd_close( p_stream, p_sys->id_osd );
981 if( id->b_transcode )
983 switch( id->p_decoder->fmt_in.i_cat )
986 transcode_audio_close( p_stream, id );
989 transcode_video_close( p_stream, id );
992 transcode_spu_close( p_stream, id );
997 if( id->id ) p_sys->p_out->pf_del( p_sys->p_out, id->id );
1001 vlc_object_detach( id->p_decoder );
1002 vlc_object_destroy( id->p_decoder );
1007 vlc_object_detach( id->p_encoder );
1008 es_format_Clean( &id->p_encoder->fmt_out );
1009 vlc_object_destroy( id->p_encoder );
1017 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
1020 sout_stream_sys_t *p_sys = p_stream->p_sys;
1021 block_t *p_out = NULL;
1023 if( !id->b_transcode && id->id )
1025 /* Transcode OSD menu pictures. */
1026 if( p_sys->b_es_osd )
1028 transcode_osd_process( p_stream, id, p_buffer, &p_out );
1030 return p_sys->p_out->pf_send( p_sys->p_out, id->id, p_buffer );
1032 else if( !id->b_transcode )
1034 block_Release( p_buffer );
1035 return VLC_EGENERIC;
1038 switch( id->p_decoder->fmt_in.i_cat )
1041 transcode_audio_process( p_stream, id, p_buffer, &p_out );
1045 if( transcode_video_process( p_stream, id, p_buffer, &p_out )
1048 return VLC_EGENERIC;
1053 if( transcode_spu_process( p_stream, id, p_buffer, &p_out ) !=
1056 return VLC_EGENERIC;
1062 block_Release( p_buffer );
1066 if( p_out ) return p_sys->p_out->pf_send( p_sys->p_out, id->id, p_out );
1070 /****************************************************************************
1071 * decoder reencoder part
1072 ****************************************************************************/
1073 int audio_BitsPerSample( vlc_fourcc_t i_format )
1077 case VLC_FOURCC('u','8',' ',' '):
1078 case VLC_FOURCC('s','8',' ',' '):
1081 case VLC_FOURCC('u','1','6','l'):
1082 case VLC_FOURCC('s','1','6','l'):
1083 case VLC_FOURCC('u','1','6','b'):
1084 case VLC_FOURCC('s','1','6','b'):
1087 case VLC_FOURCC('u','2','4','l'):
1088 case VLC_FOURCC('s','2','4','l'):
1089 case VLC_FOURCC('u','2','4','b'):
1090 case VLC_FOURCC('s','2','4','b'):
1093 case VLC_FOURCC('u','3','2','l'):
1094 case VLC_FOURCC('s','3','2','l'):
1095 case VLC_FOURCC('u','3','2','b'):
1096 case VLC_FOURCC('s','3','2','b'):
1097 case VLC_FOURCC('f','l','3','2'):
1098 case VLC_FOURCC('f','i','3','2'):
1101 case VLC_FOURCC('f','l','6','4'):
1108 static filter_t *transcode_audio_filter_new( sout_stream_t *p_stream,
1109 sout_stream_id_t *id,
1110 es_format_t *p_fmt_in,
1111 es_format_t *p_fmt_out )
1113 filter_t *p_filter = vlc_object_create( p_stream, VLC_OBJECT_FILTER );
1115 vlc_object_attach( p_filter, p_stream );
1116 p_filter->pf_audio_buffer_new = (block_t* (*) (filter_t*, int))__block_New;
1118 p_filter->fmt_in = *p_fmt_in;
1119 p_filter->fmt_out = *p_fmt_out;
1121 p_filter->p_module = module_Need( p_filter, "audio filter2", 0, 0 );
1122 if( p_filter->p_module )
1124 p_filter->fmt_out.audio.i_bitspersample =
1125 audio_BitsPerSample( p_filter->fmt_out.i_codec );
1126 *p_fmt_in = p_filter->fmt_out;
1130 vlc_object_detach( p_filter );
1131 vlc_object_destroy( p_filter );
1138 static int transcode_audio_new( sout_stream_t *p_stream,
1139 sout_stream_id_t *id )
1141 sout_stream_sys_t *p_sys = p_stream->p_sys;
1142 es_format_t fmt_last;
1149 /* Initialization of decoder structures */
1150 id->p_decoder->fmt_out = id->p_decoder->fmt_in;
1151 id->p_decoder->fmt_out.i_extra = 0;
1152 id->p_decoder->fmt_out.p_extra = 0;
1153 id->p_decoder->pf_decode_audio = 0;
1154 id->p_decoder->pf_aout_buffer_new = audio_new_buffer;
1155 id->p_decoder->pf_aout_buffer_del = audio_del_buffer;
1156 /* id->p_decoder->p_cfg = p_sys->p_audio_cfg; */
1158 id->p_decoder->p_module =
1159 module_Need( id->p_decoder, "decoder", "$codec", 0 );
1161 if( !id->p_decoder->p_module )
1163 msg_Err( p_stream, "cannot find decoder" );
1164 return VLC_EGENERIC;
1166 id->p_decoder->fmt_out.audio.i_bitspersample =
1167 audio_BitsPerSample( id->p_decoder->fmt_out.i_codec );
1168 fmt_last = id->p_decoder->fmt_out;
1169 /* FIX decoders so we don't have to do this */
1170 fmt_last.audio.i_rate = id->p_decoder->fmt_in.audio.i_rate;
1176 /* Initialization of encoder format structures */
1177 es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
1178 id->p_decoder->fmt_out.i_codec );
1179 id->p_encoder->fmt_in.audio.i_format = id->p_decoder->fmt_out.i_codec;
1181 /* Initialization of encoder format structures */
1182 es_format_Init( &id->p_encoder->fmt_in, AUDIO_ES, AOUT_FMT_S16_NE );
1183 id->p_encoder->fmt_in.audio.i_format = AOUT_FMT_S16_NE;
1184 id->p_encoder->fmt_in.audio.i_rate = id->p_encoder->fmt_out.audio.i_rate;
1185 id->p_encoder->fmt_in.audio.i_physical_channels =
1186 id->p_encoder->fmt_out.audio.i_physical_channels;
1187 id->p_encoder->fmt_in.audio.i_original_channels =
1188 id->p_encoder->fmt_out.audio.i_original_channels;
1189 id->p_encoder->fmt_in.audio.i_channels =
1190 id->p_encoder->fmt_out.audio.i_channels;
1191 id->p_encoder->fmt_in.audio.i_bitspersample =
1192 audio_BitsPerSample( id->p_encoder->fmt_in.i_codec );
1194 id->p_encoder->p_cfg = p_stream->p_sys->p_audio_cfg;
1196 id->p_encoder->p_module =
1197 module_Need( id->p_encoder, "encoder", p_sys->psz_aenc, VLC_TRUE );
1198 if( !id->p_encoder->p_module )
1200 msg_Err( p_stream, "cannot find encoder" );
1201 module_Unneed( id->p_decoder, id->p_decoder->p_module );
1202 id->p_decoder->p_module = 0;
1203 return VLC_EGENERIC;
1205 id->p_encoder->fmt_in.audio.i_format = id->p_encoder->fmt_in.i_codec;
1206 id->p_encoder->fmt_in.audio.i_bitspersample =
1207 audio_BitsPerSample( id->p_encoder->fmt_in.i_codec );
1209 /* Load conversion filters */
1210 if( fmt_last.audio.i_channels != id->p_encoder->fmt_in.audio.i_channels ||
1211 fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate )
1213 /* We'll have to go through fl32 first */
1214 es_format_t fmt_out = id->p_encoder->fmt_in;
1215 fmt_out.i_codec = fmt_out.audio.i_format = VLC_FOURCC('f','l','3','2');
1217 id->pp_filter[id->i_filter] =
1218 transcode_audio_filter_new( p_stream, id, &fmt_last, &fmt_out );
1220 if( id->pp_filter[id->i_filter] ) id->i_filter++;
1225 if( fmt_last.audio.i_channels !=
1226 id->p_encoder->fmt_in.audio.i_channels ||
1227 fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate ||
1228 fmt_last.i_codec != id->p_encoder->fmt_in.i_codec )
1230 id->pp_filter[id->i_filter] =
1231 transcode_audio_filter_new( p_stream, id, &fmt_last,
1232 &id->p_encoder->fmt_in );
1234 if( id->pp_filter[id->i_filter] ) id->i_filter++;
1239 /* Final checks to see if conversions were successful */
1240 if( fmt_last.i_codec != id->p_encoder->fmt_in.i_codec )
1242 msg_Err( p_stream, "no audio filter found (%4.4s->%4.4s)",
1243 (char *)&fmt_last.i_codec,
1244 (char *)&id->p_encoder->fmt_in.i_codec );
1245 transcode_audio_close( p_stream, id );
1246 return VLC_EGENERIC;
1249 if( fmt_last.audio.i_channels != id->p_encoder->fmt_in.audio.i_channels )
1251 msg_Err( p_stream, "no audio filter found for mixing from"
1252 " %i to %i channels", fmt_last.audio.i_channels,
1253 id->p_encoder->fmt_in.audio.i_channels );
1255 /* FIXME : this might work, but only if the encoder is restarted */
1256 id->p_encoder->fmt_in.audio.i_channels = fmt_last.audio.i_channels;
1257 id->p_encoder->fmt_out.audio.i_channels = fmt_last.audio.i_channels;
1259 id->p_encoder->fmt_in.audio.i_physical_channels =
1260 id->p_encoder->fmt_in.audio.i_original_channels =
1261 fmt_last.audio.i_physical_channels;
1262 id->p_encoder->fmt_out.audio.i_physical_channels =
1263 id->p_encoder->fmt_out.audio.i_original_channels =
1264 fmt_last.audio.i_physical_channels;
1266 transcode_audio_close( p_stream, id );
1267 return VLC_EGENERIC;
1271 if( fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate )
1273 msg_Err( p_stream, "no audio filter found for resampling from"
1274 " %iHz to %iHz", fmt_last.audio.i_rate,
1275 id->p_encoder->fmt_in.audio.i_rate );
1277 /* FIXME : this might work, but only if the encoder is restarted */
1278 id->p_encoder->fmt_in.audio.i_rate = fmt_last.audio.i_rate;
1279 id->p_encoder->fmt_out.audio.i_rate = fmt_last.audio.i_rate;
1281 transcode_audio_close( p_stream, id );
1282 return VLC_EGENERIC;
1286 /* FIXME: Hack for mp3 transcoding support */
1287 if( id->p_encoder->fmt_out.i_codec == VLC_FOURCC( 'm','p','3',' ' ) )
1288 id->p_encoder->fmt_out.i_codec = VLC_FOURCC( 'm','p','g','a' );
1293 static void transcode_audio_close( sout_stream_t *p_stream,
1294 sout_stream_id_t *id )
1299 if( id->p_decoder->p_module )
1300 module_Unneed( id->p_decoder, id->p_decoder->p_module );
1301 id->p_decoder->p_module = 0;
1304 if( id->p_encoder->p_module )
1305 module_Unneed( id->p_encoder, id->p_encoder->p_module );
1306 id->p_encoder->p_module = 0;
1309 for( i = 0; i < id->i_filter; i++ )
1311 vlc_object_detach( id->pp_filter[i] );
1312 if( id->pp_filter[i]->p_module )
1313 module_Unneed( id->pp_filter[i], id->pp_filter[i]->p_module );
1314 vlc_object_destroy( id->pp_filter[i] );
1318 static int transcode_audio_process( sout_stream_t *p_stream,
1319 sout_stream_id_t *id,
1320 block_t *in, block_t **out )
1322 sout_stream_sys_t *p_sys = p_stream->p_sys;
1323 aout_buffer_t *p_audio_buf;
1324 block_t *p_block, *p_audio_block;
1328 while( (p_audio_buf = id->p_decoder->pf_decode_audio( id->p_decoder,
1331 stats_UpdateInteger( p_stream->p_parent->p_parent, STATS_DECODED_AUDIO,
1333 if( p_sys->b_master_sync )
1335 mtime_t i_dts = date_Get( &id->interpolated_pts ) + 1;
1336 if ( p_audio_buf->start_date - i_dts > MASTER_SYNC_MAX_DRIFT
1337 || p_audio_buf->start_date - i_dts < -MASTER_SYNC_MAX_DRIFT )
1339 msg_Dbg( p_stream, "drift is too high, resetting master sync" );
1340 date_Set( &id->interpolated_pts, p_audio_buf->start_date );
1341 i_dts = p_audio_buf->start_date + 1;
1343 p_sys->i_master_drift = p_audio_buf->start_date - i_dts;
1344 date_Increment( &id->interpolated_pts, p_audio_buf->i_nb_samples );
1345 p_audio_buf->start_date -= p_sys->i_master_drift;
1346 p_audio_buf->end_date -= p_sys->i_master_drift;
1349 p_audio_block = p_audio_buf->p_sys;
1350 p_audio_block->i_buffer = p_audio_buf->i_nb_bytes;
1351 p_audio_block->i_dts = p_audio_block->i_pts =
1352 p_audio_buf->start_date;
1353 p_audio_block->i_length = p_audio_buf->end_date -
1354 p_audio_buf->start_date;
1355 p_audio_block->i_samples = p_audio_buf->i_nb_samples;
1357 /* Run filter chain */
1358 for( i = 0; i < id->i_filter; i++ )
1361 id->pp_filter[i]->pf_audio_filter( id->pp_filter[i],
1365 p_audio_buf->p_buffer = p_audio_block->p_buffer;
1366 p_audio_buf->i_nb_bytes = p_audio_block->i_buffer;
1367 p_audio_buf->i_nb_samples = p_audio_block->i_samples;
1368 p_audio_buf->start_date = p_audio_block->i_dts;
1369 p_audio_buf->end_date = p_audio_block->i_dts + p_audio_block->i_length;
1371 p_block = id->p_encoder->pf_encode_audio( id->p_encoder, p_audio_buf );
1372 block_ChainAppend( out, p_block );
1373 block_Release( p_audio_block );
1374 free( p_audio_buf );
1380 static void audio_release_buffer( aout_buffer_t *p_buffer )
1382 if( p_buffer && p_buffer->p_sys ) block_Release( p_buffer->p_sys );
1383 if( p_buffer ) free( p_buffer );
1386 static aout_buffer_t *audio_new_buffer( decoder_t *p_dec, int i_samples )
1388 aout_buffer_t *p_buffer;
1392 if( p_dec->fmt_out.audio.i_bitspersample )
1394 i_size = i_samples * p_dec->fmt_out.audio.i_bitspersample / 8 *
1395 p_dec->fmt_out.audio.i_channels;
1397 else if( p_dec->fmt_out.audio.i_bytes_per_frame &&
1398 p_dec->fmt_out.audio.i_frame_length )
1400 i_size = i_samples * p_dec->fmt_out.audio.i_bytes_per_frame /
1401 p_dec->fmt_out.audio.i_frame_length;
1405 i_size = i_samples * 4 * p_dec->fmt_out.audio.i_channels;
1408 p_buffer = malloc( sizeof(aout_buffer_t) );
1409 p_buffer->pf_release = audio_release_buffer;
1410 p_buffer->p_sys = p_block = block_New( p_dec, i_size );
1412 p_buffer->p_buffer = p_block->p_buffer;
1413 p_buffer->i_size = p_buffer->i_nb_bytes = p_block->i_buffer;
1414 p_buffer->i_nb_samples = i_samples;
1415 p_block->i_samples = i_samples;
1420 static void audio_del_buffer( decoder_t *p_dec, aout_buffer_t *p_buffer )
1422 if( p_buffer && p_buffer->p_sys ) block_Release( p_buffer->p_sys );
1423 if( p_buffer ) free( p_buffer );
1429 static int transcode_video_new( sout_stream_t *p_stream, sout_stream_id_t *id )
1431 sout_stream_sys_t *p_sys = p_stream->p_sys;
1438 /* Initialization of decoder structures */
1439 id->p_decoder->fmt_out = id->p_decoder->fmt_in;
1440 id->p_decoder->fmt_out.i_extra = 0;
1441 id->p_decoder->fmt_out.p_extra = 0;
1442 id->p_decoder->pf_decode_video = 0;
1443 id->p_decoder->pf_vout_buffer_new = video_new_buffer_decoder;
1444 id->p_decoder->pf_vout_buffer_del = video_del_buffer_decoder;
1445 id->p_decoder->pf_picture_link = video_link_picture_decoder;
1446 id->p_decoder->pf_picture_unlink = video_unlink_picture_decoder;
1447 id->p_decoder->p_owner = malloc( sizeof(decoder_owner_sys_t) );
1448 for( i = 0; i < PICTURE_RING_SIZE; i++ )
1449 id->p_decoder->p_owner->pp_pics[i] = 0;
1450 id->p_decoder->p_owner->p_sys = p_sys;
1451 /* id->p_decoder->p_cfg = p_sys->p_video_cfg; */
1453 id->p_decoder->p_module =
1454 module_Need( id->p_decoder, "decoder", "$codec", 0 );
1456 if( !id->p_decoder->p_module )
1458 msg_Err( p_stream, "cannot find decoder" );
1459 return VLC_EGENERIC;
1464 * Because some info about the decoded input will only be available
1465 * once the first frame is decoded, we actually only test the availability
1466 * of the encoder here.
1469 /* Initialization of encoder format structures */
1470 es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
1471 id->p_decoder->fmt_out.i_codec );
1472 id->p_encoder->fmt_in.video.i_chroma = id->p_decoder->fmt_out.i_codec;
1474 /* The dimensions will be set properly later on.
1475 * Just put sensible values so we can test an encoder is available. */
1476 id->p_encoder->fmt_in.video.i_width =
1477 id->p_encoder->fmt_out.video.i_width ?
1478 id->p_encoder->fmt_out.video.i_width :
1479 id->p_decoder->fmt_in.video.i_width ?
1480 id->p_decoder->fmt_in.video.i_width : 16;
1481 id->p_encoder->fmt_in.video.i_height =
1482 id->p_encoder->fmt_out.video.i_height ?
1483 id->p_encoder->fmt_out.video.i_height :
1484 id->p_decoder->fmt_in.video.i_height ?
1485 id->p_decoder->fmt_in.video.i_height : 16;
1486 id->p_encoder->fmt_in.video.i_frame_rate = 25;
1487 id->p_encoder->fmt_in.video.i_frame_rate_base = 1;
1489 id->p_encoder->i_threads = p_sys->i_threads;
1490 id->p_encoder->p_cfg = p_sys->p_video_cfg;
1492 id->p_encoder->p_module =
1493 module_Need( id->p_encoder, "encoder", p_sys->psz_venc, VLC_TRUE );
1494 if( !id->p_encoder->p_module )
1496 msg_Err( p_stream, "cannot find encoder" );
1497 module_Unneed( id->p_decoder, id->p_decoder->p_module );
1498 id->p_decoder->p_module = 0;
1499 return VLC_EGENERIC;
1502 /* Close the encoder.
1503 * We'll open it only when we have the first frame. */
1504 module_Unneed( id->p_encoder, id->p_encoder->p_module );
1505 if( id->p_encoder->fmt_out.p_extra )
1506 free( id->p_encoder->fmt_out.p_extra );
1507 id->p_encoder->p_module = NULL;
1509 if( p_sys->i_threads >= 1 )
1511 int i_priority = p_sys->b_high_priority ? VLC_THREAD_PRIORITY_OUTPUT :
1512 VLC_THREAD_PRIORITY_VIDEO;
1513 p_sys->id_video = id;
1514 vlc_mutex_init( p_stream, &p_sys->lock_out );
1515 vlc_cond_init( p_stream, &p_sys->cond );
1516 memset( p_sys->pp_pics, 0, sizeof(p_sys->pp_pics) );
1517 p_sys->i_first_pic = 0;
1518 p_sys->i_last_pic = 0;
1519 p_sys->p_buffers = NULL;
1520 p_sys->b_die = p_sys->b_error = 0;
1521 if( vlc_thread_create( p_sys, "encoder", EncoderThread, i_priority,
1524 msg_Err( p_stream, "cannot spawn encoder thread" );
1525 module_Unneed( id->p_decoder, id->p_decoder->p_module );
1526 id->p_decoder->p_module = 0;
1527 return VLC_EGENERIC;
1534 static int transcode_video_encoder_open( sout_stream_t *p_stream,
1535 sout_stream_id_t *id )
1537 sout_stream_sys_t *p_sys = p_stream->p_sys;
1539 /* Hack because of the copy packetizer which can fail to detect the
1540 * proper size (which forces us to wait until the 1st frame
1542 int i_width = id->p_decoder->fmt_out.video.i_width -
1543 p_sys->i_crop_left - p_sys->i_crop_right;
1544 int i_height = id->p_decoder->fmt_out.video.i_height -
1545 p_sys->i_crop_top - p_sys->i_crop_bottom;
1547 if( id->p_encoder->fmt_out.video.i_width <= 0 &&
1548 id->p_encoder->fmt_out.video.i_height <= 0 && p_sys->f_scale )
1550 /* Apply the scaling */
1551 id->p_encoder->fmt_out.video.i_width = i_width * p_sys->f_scale;
1552 id->p_encoder->fmt_out.video.i_height = i_height * p_sys->f_scale;
1554 else if( id->p_encoder->fmt_out.video.i_width > 0 &&
1555 id->p_encoder->fmt_out.video.i_height <= 0 )
1557 id->p_encoder->fmt_out.video.i_height =
1558 id->p_encoder->fmt_out.video.i_width / (double)i_width * i_height;
1560 else if( id->p_encoder->fmt_out.video.i_width <= 0 &&
1561 id->p_encoder->fmt_out.video.i_height > 0 )
1563 id->p_encoder->fmt_out.video.i_width =
1564 id->p_encoder->fmt_out.video.i_height / (double)i_height * i_width;
1567 if( p_sys->i_maxwidth
1568 && id->p_encoder->fmt_out.video.i_width > p_sys->i_maxwidth )
1569 id->p_encoder->fmt_out.video.i_width = p_sys->i_maxwidth;
1570 if( p_sys->i_maxheight
1571 && id->p_encoder->fmt_out.video.i_height > p_sys->i_maxheight )
1572 id->p_encoder->fmt_out.video.i_height = p_sys->i_maxheight;
1574 /* Make sure the size is at least a multiple of 2 */
1575 id->p_encoder->fmt_out.video.i_width =
1576 (id->p_encoder->fmt_out.video.i_width + 1) >> 1 << 1;
1577 id->p_encoder->fmt_out.video.i_height =
1578 (id->p_encoder->fmt_out.video.i_height + 1) >> 1 << 1;
1580 id->p_encoder->fmt_in.video.i_width =
1581 id->p_encoder->fmt_out.video.i_width;
1582 id->p_encoder->fmt_in.video.i_height =
1583 id->p_encoder->fmt_out.video.i_height;
1585 if( !id->p_encoder->fmt_out.video.i_frame_rate ||
1586 !id->p_encoder->fmt_out.video.i_frame_rate_base )
1588 if( id->p_decoder->fmt_out.video.i_frame_rate &&
1589 id->p_decoder->fmt_out.video.i_frame_rate_base )
1591 id->p_encoder->fmt_out.video.i_frame_rate =
1592 id->p_decoder->fmt_out.video.i_frame_rate;
1593 id->p_encoder->fmt_out.video.i_frame_rate_base =
1594 id->p_decoder->fmt_out.video.i_frame_rate_base;
1598 /* Pick a sensible default value */
1599 id->p_encoder->fmt_out.video.i_frame_rate = 25;
1600 id->p_encoder->fmt_out.video.i_frame_rate_base = 1;
1604 id->p_encoder->fmt_in.video.i_frame_rate =
1605 id->p_encoder->fmt_out.video.i_frame_rate;
1606 id->p_encoder->fmt_in.video.i_frame_rate_base =
1607 id->p_encoder->fmt_out.video.i_frame_rate_base;
1609 date_Init( &id->interpolated_pts,
1610 id->p_encoder->fmt_out.video.i_frame_rate,
1611 id->p_encoder->fmt_out.video.i_frame_rate_base );
1613 /* Check whether a particular aspect ratio was requested */
1614 if( !id->p_encoder->fmt_out.video.i_aspect )
1616 id->p_encoder->fmt_out.video.i_aspect =
1617 id->p_decoder->fmt_out.video.i_aspect;
1619 id->p_encoder->fmt_in.video.i_aspect =
1620 id->p_encoder->fmt_out.video.i_aspect;
1622 id->p_encoder->p_module =
1623 module_Need( id->p_encoder, "encoder", p_sys->psz_venc, VLC_TRUE );
1624 if( !id->p_encoder->p_module )
1626 msg_Err( p_stream, "cannot find encoder" );
1627 return VLC_EGENERIC;
1630 id->p_encoder->fmt_in.video.i_chroma = id->p_encoder->fmt_in.i_codec;
1632 /* Hack for mp2v/mp1v transcoding support */
1633 if( id->p_encoder->fmt_out.i_codec == VLC_FOURCC('m','p','1','v') ||
1634 id->p_encoder->fmt_out.i_codec == VLC_FOURCC('m','p','2','v') )
1636 id->p_encoder->fmt_out.i_codec = VLC_FOURCC('m','p','g','v');
1639 id->id = p_stream->p_sys->p_out->pf_add( p_stream->p_sys->p_out,
1640 &id->p_encoder->fmt_out );
1643 msg_Err( p_stream, "cannot add this stream" );
1644 return VLC_EGENERIC;
1650 static void transcode_video_close( sout_stream_t *p_stream,
1651 sout_stream_id_t *id )
1655 if( p_stream->p_sys->i_threads >= 1 )
1657 vlc_mutex_lock( &p_stream->p_sys->lock_out );
1658 p_stream->p_sys->b_die = 1;
1659 vlc_cond_signal( &p_stream->p_sys->cond );
1660 vlc_mutex_unlock( &p_stream->p_sys->lock_out );
1661 vlc_thread_join( p_stream->p_sys );
1662 vlc_mutex_destroy( &p_stream->p_sys->lock_out );
1663 vlc_cond_destroy( &p_stream->p_sys->cond );
1667 if( id->p_decoder->p_module )
1668 module_Unneed( id->p_decoder, id->p_decoder->p_module );
1670 if( id->p_decoder->p_owner )
1672 /* Clean-up pictures ring buffer */
1673 for( i = 0; i < PICTURE_RING_SIZE; i++ )
1675 if( id->p_decoder->p_owner->pp_pics[i] )
1676 video_del_buffer( VLC_OBJECT(id->p_decoder),
1677 id->p_decoder->p_owner->pp_pics[i] );
1679 free( id->p_decoder->p_owner );
1683 if( id->p_encoder->p_module )
1684 module_Unneed( id->p_encoder, id->p_encoder->p_module );
1687 for( i = 0; i < id->i_filter; i++ )
1689 vlc_object_detach( id->pp_filter[i] );
1690 if( id->pp_filter[i]->p_module )
1691 module_Unneed( id->pp_filter[i], id->pp_filter[i]->p_module );
1693 /* Clean-up pictures ring buffer */
1694 for( j = 0; j < PICTURE_RING_SIZE; j++ )
1696 if( id->pp_filter[i]->p_owner->pp_pics[j] )
1697 video_del_buffer( VLC_OBJECT(id->pp_filter[i]),
1698 id->pp_filter[i]->p_owner->pp_pics[j] );
1700 free( id->pp_filter[i]->p_owner );
1702 vlc_object_destroy( id->pp_filter[i] );
1704 for( i = 0; i < id->i_vfilter; i++ )
1706 vlc_object_detach( id->pp_vfilter[i] );
1707 if( id->pp_vfilter[i]->p_module )
1708 module_Unneed( id->pp_vfilter[i], id->pp_vfilter[i]->p_module );
1710 /* Clean-up pictures ring buffer */
1711 for( j = 0; j < PICTURE_RING_SIZE; j++ )
1713 if( id->pp_vfilter[i]->p_owner->pp_pics[j] )
1714 video_del_buffer( VLC_OBJECT(id->pp_vfilter[i]),
1715 id->pp_vfilter[i]->p_owner->pp_pics[j] );
1717 free( id->pp_vfilter[i]->p_owner );
1719 vlc_object_destroy( id->pp_vfilter[i] );
1723 static int transcode_video_process( sout_stream_t *p_stream,
1724 sout_stream_id_t *id,
1725 block_t *in, block_t **out )
1727 sout_stream_sys_t *p_sys = p_stream->p_sys;
1728 int i_duplicate = 1, i;
1729 picture_t *p_pic, *p_pic2 = NULL;
1732 while( (p_pic = id->p_decoder->pf_decode_video( id->p_decoder, &in )) )
1734 subpicture_t *p_subpic = 0;
1735 stats_UpdateInteger( p_stream->p_parent->p_parent, STATS_DECODED_VIDEO,
1738 if( p_stream->p_sout->i_out_pace_nocontrol && p_sys->b_hurry_up )
1740 mtime_t current_date = mdate();
1741 if( current_date + 50000 > p_pic->date )
1743 msg_Dbg( p_stream, "late picture skipped ("I64Fd")",
1744 current_date + 50000 - p_pic->date );
1745 p_pic->pf_release( p_pic );
1750 if( p_sys->b_master_sync )
1752 mtime_t i_video_drift;
1753 mtime_t i_master_drift = p_sys->i_master_drift;
1756 i_pts = date_Get( &id->interpolated_pts ) + 1;
1757 if ( p_pic->date - i_pts > MASTER_SYNC_MAX_DRIFT
1758 || p_pic->date - i_pts < -MASTER_SYNC_MAX_DRIFT )
1760 msg_Dbg( p_stream, "drift is too high, resetting master sync" );
1761 date_Set( &id->interpolated_pts, p_pic->date );
1762 i_pts = p_pic->date + 1;
1764 i_video_drift = p_pic->date - i_pts;
1767 /* Set the pts of the frame being encoded */
1768 p_pic->date = i_pts;
1770 if( i_video_drift < i_master_drift - 50000 )
1773 msg_Dbg( p_stream, "dropping frame (%i)",
1774 (int)(i_video_drift - i_master_drift) );
1776 p_pic->pf_release( p_pic );
1779 else if( i_video_drift > i_master_drift + 50000 )
1782 msg_Dbg( p_stream, "adding frame (%i)",
1783 (int)(i_video_drift - i_master_drift) );
1789 if( !id->p_encoder->p_module )
1791 if( transcode_video_encoder_open( p_stream, id ) != VLC_SUCCESS )
1793 p_pic->pf_release( p_pic );
1794 transcode_video_close( p_stream, id );
1795 id->b_transcode = VLC_FALSE;
1796 return VLC_EGENERIC;
1800 if( p_stream->p_sys->b_deinterlace )
1802 id->pp_filter[id->i_filter] =
1803 vlc_object_create( p_stream, VLC_OBJECT_FILTER );
1804 vlc_object_attach( id->pp_filter[id->i_filter], p_stream );
1806 id->pp_filter[id->i_filter]->pf_vout_buffer_new =
1807 video_new_buffer_filter;
1808 id->pp_filter[id->i_filter]->pf_vout_buffer_del =
1809 video_del_buffer_filter;
1811 id->pp_filter[id->i_filter]->fmt_in = id->p_decoder->fmt_out;
1812 id->pp_filter[id->i_filter]->fmt_out = id->p_decoder->fmt_out;
1813 id->pp_filter[id->i_filter]->p_cfg = p_sys->p_deinterlace_cfg;
1814 id->pp_filter[id->i_filter]->p_module =
1815 module_Need( id->pp_filter[id->i_filter],
1816 "video filter2", p_sys->psz_deinterlace, 0 );
1817 if( id->pp_filter[id->i_filter]->p_module )
1819 id->pp_filter[id->i_filter]->p_owner =
1820 malloc( sizeof(filter_owner_sys_t) );
1821 for( i = 0; i < PICTURE_RING_SIZE; i++ )
1822 id->pp_filter[id->i_filter]->p_owner->pp_pics[i] = 0;
1823 id->pp_filter[id->i_filter]->p_owner->p_sys = p_sys;
1829 msg_Dbg( p_stream, "no video filter found" );
1830 vlc_object_detach( id->pp_filter[id->i_filter] );
1831 vlc_object_destroy( id->pp_filter[id->i_filter] );
1835 /* Check if we need a filter for chroma conversion or resizing */
1836 if( id->p_decoder->fmt_out.video.i_chroma !=
1837 id->p_encoder->fmt_in.video.i_chroma ||
1838 id->p_decoder->fmt_out.video.i_width !=
1839 id->p_encoder->fmt_out.video.i_width ||
1840 id->p_decoder->fmt_out.video.i_height !=
1841 id->p_encoder->fmt_out.video.i_height ||
1842 p_sys->i_crop_top > 0 || p_sys->i_crop_bottom > 0 ||
1843 p_sys->i_crop_left > 0 || p_sys->i_crop_right > 0 )
1845 id->pp_filter[id->i_filter] =
1846 vlc_object_create( p_stream, VLC_OBJECT_FILTER );
1847 vlc_object_attach( id->pp_filter[id->i_filter], p_stream );
1849 id->pp_filter[id->i_filter]->pf_vout_buffer_new =
1850 video_new_buffer_filter;
1851 id->pp_filter[id->i_filter]->pf_vout_buffer_del =
1852 video_del_buffer_filter;
1854 id->pp_filter[id->i_filter]->fmt_in = id->p_decoder->fmt_out;
1855 id->pp_filter[id->i_filter]->fmt_out = id->p_encoder->fmt_in;
1856 id->pp_filter[id->i_filter]->p_cfg = NULL;
1857 id->pp_filter[id->i_filter]->p_module =
1858 module_Need( id->pp_filter[id->i_filter],
1859 "video filter2", 0, 0 );
1860 if( id->pp_filter[id->i_filter]->p_module )
1862 id->pp_filter[id->i_filter]->p_owner =
1863 malloc( sizeof(filter_owner_sys_t) );
1864 for( i = 0; i < PICTURE_RING_SIZE; i++ )
1865 id->pp_filter[id->i_filter]->p_owner->pp_pics[i] = 0;
1866 id->pp_filter[id->i_filter]->p_owner->p_sys = p_sys;
1872 msg_Dbg( p_stream, "no video filter found" );
1873 vlc_object_detach( id->pp_filter[id->i_filter] );
1874 vlc_object_destroy( id->pp_filter[id->i_filter] );
1876 p_pic->pf_release( p_pic );
1877 transcode_video_close( p_stream, id );
1878 id->b_transcode = VLC_FALSE;
1879 return VLC_EGENERIC;
1883 for( i = 0; i < p_sys->i_vfilters; i++ )
1885 id->pp_vfilter[id->i_vfilter] =
1886 vlc_object_create( p_stream, VLC_OBJECT_FILTER );
1887 vlc_object_attach( id->pp_vfilter[id->i_vfilter], p_stream );
1889 id->pp_vfilter[id->i_vfilter]->pf_vout_buffer_new =
1890 video_new_buffer_filter;
1891 id->pp_vfilter[id->i_vfilter]->pf_vout_buffer_del =
1892 video_del_buffer_filter;
1894 id->pp_vfilter[id->i_vfilter]->fmt_in = id->p_encoder->fmt_in;
1895 id->pp_vfilter[id->i_vfilter]->fmt_out = id->p_encoder->fmt_in;
1896 id->pp_vfilter[id->i_vfilter]->p_cfg = p_sys->p_vfilters_cfg[i];
1897 id->pp_vfilter[id->i_vfilter]->p_module =
1898 module_Need( id->pp_vfilter[id->i_vfilter],
1899 "video filter2", p_sys->psz_vfilters[i], 0 );
1900 if( id->pp_vfilter[id->i_vfilter]->p_module )
1902 id->pp_vfilter[id->i_vfilter]->p_owner =
1903 malloc( sizeof(filter_owner_sys_t) );
1904 for( i = 0; i < PICTURE_RING_SIZE; i++ )
1905 id->pp_vfilter[id->i_vfilter]->p_owner->pp_pics[i] = 0;
1906 id->pp_vfilter[id->i_vfilter]->p_owner->p_sys = p_sys;
1912 msg_Dbg( p_stream, "no video filter found" );
1913 vlc_object_detach( id->pp_vfilter[id->i_vfilter] );
1914 vlc_object_destroy( id->pp_vfilter[id->i_vfilter] );
1919 /* Run filter chain */
1920 for( i = 0; i < id->i_filter; i++ )
1922 p_pic = id->pp_filter[i]->pf_video_filter(id->pp_filter[i], p_pic);
1929 /* Check if we have a subpicture to overlay */
1932 p_subpic = spu_SortSubpictures( p_sys->p_spu, p_pic->date );
1933 /* TODO: get another pic */
1936 /* Overlay subpicture */
1939 int i_scale_width, i_scale_height;
1940 video_format_t *p_fmt;
1942 i_scale_width = id->p_encoder->fmt_in.video.i_width * 1000 /
1943 id->p_decoder->fmt_out.video.i_width;
1944 i_scale_height = id->p_encoder->fmt_in.video.i_height * 1000 /
1945 id->p_decoder->fmt_out.video.i_height;
1947 if( p_pic->i_refcount && !id->i_filter )
1949 /* We can't modify the picture, we need to duplicate it */
1950 picture_t *p_tmp = video_new_buffer_decoder( id->p_decoder );
1953 vout_CopyPicture( p_stream, p_tmp, p_pic );
1954 p_pic->pf_release( p_pic );
1960 p_fmt = &id->pp_filter[id->i_filter -1]->fmt_out.video;
1962 p_fmt = &id->p_decoder->fmt_out.video;
1964 /* FIXME (shouldn't have to be done here) */
1965 p_fmt->i_sar_num = p_fmt->i_aspect *
1966 p_fmt->i_height / p_fmt->i_width;
1967 p_fmt->i_sar_den = VOUT_ASPECT_FACTOR;
1969 spu_RenderSubpictures( p_sys->p_spu, p_fmt, p_pic, p_pic, p_subpic,
1970 i_scale_width, i_scale_height );
1973 /* Run vfilter chain */
1974 for( i = 0; i < id->i_vfilter; i++ )
1976 p_pic = id->pp_vfilter[i]->pf_video_filter(id->pp_vfilter[i], p_pic);
1979 if( p_sys->i_threads == 0 )
1982 p_block = id->p_encoder->pf_encode_video( id->p_encoder, p_pic );
1983 block_ChainAppend( out, p_block );
1986 if( p_sys->b_master_sync )
1988 mtime_t i_pts = date_Get( &id->interpolated_pts ) + 1;
1989 if ( p_pic->date - i_pts > MASTER_SYNC_MAX_DRIFT
1990 || p_pic->date - i_pts < -MASTER_SYNC_MAX_DRIFT )
1992 msg_Dbg( p_stream, "drift is too high, resetting master sync" );
1993 date_Set( &id->interpolated_pts, p_pic->date );
1994 i_pts = p_pic->date + 1;
1996 date_Increment( &id->interpolated_pts, 1 );
1999 if( p_sys->b_master_sync && i_duplicate > 1 )
2001 mtime_t i_pts = date_Get( &id->interpolated_pts ) + 1;
2002 if ( p_pic->date - i_pts > MASTER_SYNC_MAX_DRIFT
2003 || p_pic->date - i_pts < -MASTER_SYNC_MAX_DRIFT )
2005 msg_Dbg( p_stream, "drift is too high, resetting master sync" );
2006 date_Set( &id->interpolated_pts, p_pic->date );
2007 i_pts = p_pic->date + 1;
2009 date_Increment( &id->interpolated_pts, 1 );
2011 if( p_sys->i_threads >= 1 )
2013 /* We can't modify the picture, we need to duplicate it */
2014 p_pic2 = video_new_buffer_decoder( id->p_decoder );
2015 if( p_pic2 != NULL )
2017 vout_CopyPicture( p_stream, p_pic2, p_pic );
2018 p_pic2->date = i_pts;
2024 p_pic->date = i_pts;
2025 p_block = id->p_encoder->pf_encode_video(id->p_encoder, p_pic);
2026 block_ChainAppend( out, p_block );
2030 if( p_sys->i_threads == 0 )
2032 p_pic->pf_release( p_pic );
2036 vlc_mutex_lock( &p_sys->lock_out );
2037 p_sys->pp_pics[p_sys->i_last_pic++] = p_pic;
2038 p_sys->i_last_pic %= PICTURE_RING_SIZE;
2039 *out = p_sys->p_buffers;
2040 p_sys->p_buffers = NULL;
2041 if( p_pic2 != NULL )
2043 p_sys->pp_pics[p_sys->i_last_pic++] = p_pic2;
2044 p_sys->i_last_pic %= PICTURE_RING_SIZE;
2046 vlc_cond_signal( &p_sys->cond );
2047 vlc_mutex_unlock( &p_sys->lock_out );
2054 static int EncoderThread( sout_stream_sys_t *p_sys )
2056 sout_stream_id_t *id = p_sys->id_video;
2059 while( !p_sys->b_die && !p_sys->b_error )
2063 vlc_mutex_lock( &p_sys->lock_out );
2064 while( p_sys->i_last_pic == p_sys->i_first_pic )
2066 vlc_cond_wait( &p_sys->cond, &p_sys->lock_out );
2067 if( p_sys->b_die || p_sys->b_error ) break;
2069 if( p_sys->b_die || p_sys->b_error )
2071 vlc_mutex_unlock( &p_sys->lock_out );
2075 p_pic = p_sys->pp_pics[p_sys->i_first_pic++];
2076 p_sys->i_first_pic %= PICTURE_RING_SIZE;
2077 vlc_mutex_unlock( &p_sys->lock_out );
2079 p_block = id->p_encoder->pf_encode_video( id->p_encoder, p_pic );
2080 vlc_mutex_lock( &p_sys->lock_out );
2081 block_ChainAppend( &p_sys->p_buffers, p_block );
2083 vlc_mutex_unlock( &p_sys->lock_out );
2085 p_pic->pf_release( p_pic );
2088 while( p_sys->i_last_pic != p_sys->i_first_pic )
2090 p_pic = p_sys->pp_pics[p_sys->i_first_pic++];
2091 p_sys->i_first_pic %= PICTURE_RING_SIZE;
2093 p_pic->pf_release( p_pic );
2096 block_ChainRelease( p_sys->p_buffers );
2101 struct picture_sys_t
2103 vlc_object_t *p_owner;
2106 static void video_release_buffer( picture_t *p_pic )
2108 if( p_pic && !p_pic->i_refcount && p_pic->pf_release && p_pic->p_sys )
2110 video_del_buffer_decoder( (decoder_t *)p_pic->p_sys->p_owner, p_pic );
2112 else if( p_pic && p_pic->i_refcount > 0 ) p_pic->i_refcount--;
2115 static picture_t *video_new_buffer( vlc_object_t *p_this, picture_t **pp_ring,
2116 sout_stream_sys_t *p_sys )
2118 decoder_t *p_dec = (decoder_t *)p_this;
2122 /* Find an empty space in the picture ring buffer */
2123 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2125 if( pp_ring[i] != 0 && pp_ring[i]->i_status == DESTROYED_PICTURE )
2127 pp_ring[i]->i_status = RESERVED_PICTURE;
2131 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2133 if( pp_ring[i] == 0 ) break;
2136 if( i == PICTURE_RING_SIZE && p_sys->i_threads >= 1 )
2138 int i_first_pic = p_sys->i_first_pic;
2140 if( p_sys->i_first_pic != p_sys->i_last_pic )
2142 /* Encoder still has stuff to encode, wait to clear-up the list */
2143 while( p_sys->i_first_pic == i_first_pic )
2147 /* Find an empty space in the picture ring buffer */
2148 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2150 if( pp_ring[i] != 0 && pp_ring[i]->i_status == DESTROYED_PICTURE )
2152 pp_ring[i]->i_status = RESERVED_PICTURE;
2156 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2158 if( pp_ring[i] == 0 ) break;
2162 if( i == PICTURE_RING_SIZE )
2164 msg_Err( p_this, "decoder/filter is leaking pictures, "
2165 "resetting its ring buffer" );
2167 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2169 pp_ring[i]->pf_release( pp_ring[i] );
2175 p_pic = malloc( sizeof(picture_t) );
2176 p_dec->fmt_out.video.i_chroma = p_dec->fmt_out.i_codec;
2177 vout_AllocatePicture( VLC_OBJECT(p_dec), p_pic,
2178 p_dec->fmt_out.video.i_chroma,
2179 p_dec->fmt_out.video.i_width,
2180 p_dec->fmt_out.video.i_height,
2181 p_dec->fmt_out.video.i_aspect );
2183 if( !p_pic->i_planes )
2189 p_pic->pf_release = video_release_buffer;
2190 p_pic->p_sys = malloc( sizeof(picture_sys_t) );
2191 p_pic->p_sys->p_owner = p_this;
2192 p_pic->i_status = RESERVED_PICTURE;
2199 static picture_t *video_new_buffer_decoder( decoder_t *p_dec )
2201 return video_new_buffer( VLC_OBJECT(p_dec),
2202 p_dec->p_owner->pp_pics, p_dec->p_owner->p_sys );
2205 static picture_t *video_new_buffer_filter( filter_t *p_filter )
2207 return video_new_buffer( VLC_OBJECT(p_filter),
2208 p_filter->p_owner->pp_pics,
2209 p_filter->p_owner->p_sys );
2212 static void video_del_buffer( vlc_object_t *p_this, picture_t *p_pic )
2214 if( p_pic && p_pic->p_data_orig ) free( p_pic->p_data_orig );
2215 if( p_pic && p_pic->p_sys ) free( p_pic->p_sys );
2216 if( p_pic ) free( p_pic );
2219 static void video_del_buffer_decoder( decoder_t *p_decoder, picture_t *p_pic )
2221 p_pic->i_refcount = 0;
2222 p_pic->i_status = DESTROYED_PICTURE;
2225 static void video_del_buffer_filter( filter_t *p_filter, picture_t *p_pic )
2227 p_pic->i_refcount = 0;
2228 p_pic->i_status = DESTROYED_PICTURE;
2231 static void video_link_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
2233 p_pic->i_refcount++;
2236 static void video_unlink_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
2238 video_release_buffer( p_pic );
2244 static subpicture_t *spu_new_buffer( decoder_t * );
2245 static void spu_del_buffer( decoder_t *, subpicture_t * );
2247 static int transcode_spu_new( sout_stream_t *p_stream, sout_stream_id_t *id )
2249 sout_stream_sys_t *p_sys = p_stream->p_sys;
2255 /* Initialization of decoder structures */
2256 id->p_decoder->pf_spu_buffer_new = spu_new_buffer;
2257 id->p_decoder->pf_spu_buffer_del = spu_del_buffer;
2258 id->p_decoder->p_owner = (decoder_owner_sys_t *)p_stream;
2259 /* id->p_decoder->p_cfg = p_sys->p_spu_cfg; */
2261 id->p_decoder->p_module =
2262 module_Need( id->p_decoder, "decoder", "$codec", 0 );
2264 if( !id->p_decoder->p_module )
2266 msg_Err( p_stream, "cannot find decoder" );
2267 return VLC_EGENERIC;
2270 if( !p_sys->b_soverlay )
2276 /* Initialization of encoder format structures */
2277 es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
2278 id->p_decoder->fmt_in.i_codec );
2280 id->p_encoder->p_cfg = p_sys->p_spu_cfg;
2282 id->p_encoder->p_module =
2283 module_Need( id->p_encoder, "encoder", p_sys->psz_senc, VLC_TRUE );
2285 if( !id->p_encoder->p_module )
2287 module_Unneed( id->p_decoder, id->p_decoder->p_module );
2288 msg_Err( p_stream, "cannot find encoder" );
2289 return VLC_EGENERIC;
2295 p_sys->p_spu = spu_Create( p_stream );
2296 spu_Init( p_sys->p_spu );
2302 static void transcode_spu_close( sout_stream_t *p_stream, sout_stream_id_t *id)
2305 if( id->p_decoder->p_module )
2306 module_Unneed( id->p_decoder, id->p_decoder->p_module );
2309 if( id->p_encoder->p_module )
2310 module_Unneed( id->p_encoder, id->p_encoder->p_module );
2313 static int transcode_spu_process( sout_stream_t *p_stream,
2314 sout_stream_id_t *id,
2315 block_t *in, block_t **out )
2317 sout_stream_sys_t *p_sys = p_stream->p_sys;
2318 subpicture_t *p_subpic;
2321 p_subpic = id->p_decoder->pf_decode_sub( id->p_decoder, &in );
2322 if( !p_subpic ) return VLC_EGENERIC;
2324 if( p_sys->b_master_sync && p_sys->i_master_drift )
2326 p_subpic->i_start -= p_sys->i_master_drift;
2327 if( p_subpic->i_stop ) p_subpic->i_stop -= p_sys->i_master_drift;
2330 if( p_sys->b_soverlay )
2332 spu_DisplaySubpicture( p_sys->p_spu, p_subpic );
2338 p_block = id->p_encoder->pf_encode_sub( id->p_encoder, p_subpic );
2339 spu_del_buffer( id->p_decoder, p_subpic );
2343 block_ChainAppend( out, p_block );
2348 return VLC_EGENERIC;
2351 static subpicture_t *spu_new_buffer( decoder_t *p_dec )
2353 sout_stream_t *p_stream = (sout_stream_t *)p_dec->p_owner;
2354 return spu_CreateSubpicture( p_stream->p_sys->p_spu );
2357 static void spu_del_buffer( decoder_t *p_dec, subpicture_t *p_subpic )
2359 sout_stream_t *p_stream = (sout_stream_t *)p_dec->p_owner;
2360 spu_DestroySubpicture( p_stream->p_sys->p_spu, p_subpic );
2366 static int transcode_osd_new( sout_stream_t *p_stream, sout_stream_id_t *id )
2368 sout_stream_sys_t *p_sys = p_stream->p_sys;
2372 fmt.i_id = 0xbd1f; /* pid ?? */
2373 fmt.i_group = 3; /* pmt entry ?? */
2374 fmt.i_codec = VLC_FOURCC( 'Y', 'U', 'V', 'A' );
2375 fmt.psz_language = strdup( "osd" );
2377 id = malloc( sizeof( sout_stream_id_t ) );
2378 memset( id, 0, sizeof(sout_stream_id_t) );
2381 id->p_decoder = NULL;
2382 id->p_encoder = NULL;
2384 /* Create encoder object */
2385 id->p_encoder = vlc_object_create( p_stream, VLC_OBJECT_ENCODER );
2386 if( !id->p_encoder )
2388 msg_Err( p_stream, "out of memory" );
2391 vlc_object_attach( id->p_encoder, p_stream );
2392 id->p_encoder->p_module = NULL;
2394 /* Create fake destination format */
2395 es_format_Init( &id->p_encoder->fmt_out, fmt.i_cat, 0 );
2396 id->p_encoder->fmt_out.i_id = fmt.i_id;
2397 id->p_encoder->fmt_out.i_group = fmt.i_group;
2398 id->p_encoder->fmt_out.psz_language = strdup( fmt.psz_language );
2400 if( p_sys->i_osdcodec != 0 || p_sys->psz_osdenc )
2402 msg_Dbg( p_stream, "creating osdmenu transcoding from fcc=`%4.4s' "
2403 "to fcc=`%4.4s'", (char*)&fmt.i_codec,
2404 (char*)&p_sys->i_osdcodec );
2406 /* Complete destination format */
2407 id->p_encoder->fmt_out.i_codec = p_sys->i_osdcodec;
2413 /* Initialization of encoder format structures */
2414 es_format_Init( &id->p_encoder->fmt_in, fmt.i_cat, fmt.i_codec );
2415 id->p_encoder->fmt_in.psz_language = strdup( fmt.psz_language );
2417 id->p_encoder->p_cfg = p_sys->p_osd_cfg;
2419 id->p_encoder->p_module =
2420 module_Need( id->p_encoder, "encoder", p_sys->psz_osdenc, VLC_TRUE );
2422 if( !id->p_encoder->p_module )
2424 msg_Err( p_stream, "cannot find encoder" );
2428 /* open output stream */
2429 id->id = p_sys->p_out->pf_add( p_sys->p_out, &id->p_encoder->fmt_out );
2430 id->b_transcode = VLC_TRUE;
2432 if( !id->id ) goto error;
2436 msg_Dbg( p_stream, "not transcoding a stream (fcc=`%4.4s')",
2437 (char*)&fmt.i_codec );
2438 id->id = p_sys->p_out->pf_add( p_sys->p_out, &fmt );
2439 id->b_transcode = VLC_FALSE;
2441 if( !id->id ) goto error;
2445 p_sys->b_es_osd = VLC_TRUE;
2449 p_sys->p_spu = spu_Create( p_stream );
2450 if( spu_Init( p_sys->p_spu ) != VLC_SUCCESS )
2451 msg_Err( p_sys, "spu initialisation failed" );
2454 if( fmt.psz_language )
2455 free( fmt.psz_language );
2460 msg_Err( p_stream, "starting osd encoding thread failed" );
2461 if( id->p_encoder->p_module )
2462 module_Unneed( id->p_encoder, id->p_encoder->p_module );
2465 vlc_object_detach( id->p_encoder );
2466 vlc_object_destroy( id->p_encoder );
2468 if( fmt.psz_language ) free( fmt.psz_language );
2469 if( id ) free( id );
2470 p_sys->id_osd = NULL;
2471 p_sys->b_es_osd = VLC_FALSE;
2472 return VLC_EGENERIC;
2475 static void transcode_osd_close( sout_stream_t *p_stream, sout_stream_id_t *id)
2477 sout_stream_sys_t *p_sys = p_stream->p_sys;
2480 if( p_sys->b_es_osd && id )
2482 if( id->p_encoder->p_module )
2483 module_Unneed( id->p_encoder, id->p_encoder->p_module );
2485 if( id->id ) p_sys->p_out->pf_del( p_sys->p_out, id->id );
2489 vlc_object_detach( id->p_encoder );
2490 vlc_object_destroy( id->p_encoder );
2493 p_sys->b_es_osd = VLC_FALSE;
2494 if( id ) free( id );
2497 static int transcode_osd_process( sout_stream_t *p_stream,
2498 sout_stream_id_t *id,
2499 block_t *in, block_t **out )
2501 sout_stream_sys_t *p_sys = p_stream->p_sys;
2502 subpicture_t *p_subpic = NULL;
2504 /* Check if we have a subpicture to send */
2505 if( p_sys->p_spu && in->i_dts > 0)
2507 p_subpic = spu_SortSubpictures( p_sys->p_spu, in->i_dts );
2511 msg_Warn( p_stream, "spu channel not initialized, doing it now" );
2514 p_sys->p_spu = spu_Create( p_stream );
2515 if( spu_Init( p_sys->p_spu ) != VLC_SUCCESS )
2516 msg_Err( p_stream, "spu initialisation failed" );
2522 block_t *p_block = NULL;
2524 if( p_sys->b_master_sync && p_sys->i_master_drift )
2526 p_subpic->i_start -= p_sys->i_master_drift;
2527 if( p_subpic->i_stop ) p_subpic->i_stop -= p_sys->i_master_drift;
2530 p_block = p_sys->id_osd->p_encoder->pf_encode_sub( p_sys->id_osd->p_encoder, p_subpic );
2533 p_block->i_dts = p_block->i_pts = in->i_dts;
2534 block_ChainAppend( out, p_block );
2537 if( p_sys->p_out->pf_send( p_sys->p_out, p_sys->id_osd->id, *out ) == VLC_SUCCESS )
2538 spu_DestroySubpicture( p_sys->p_spu, p_subpic );
2543 return VLC_EGENERIC;