1 /*****************************************************************************
2 * transcode.c: transcoding stream output module
3 *****************************************************************************
4 * Copyright (C) 2003-2004 VideoLAN
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * Gildas Bazin <gbazin@videolan.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
33 #include <vlc/input.h>
36 #include <vlc/decoder.h>
37 #include "vlc_filter.h"
40 /*****************************************************************************
42 *****************************************************************************/
43 #define VENC_TEXT N_("Video encoder")
44 #define VENC_LONGTEXT N_( \
45 "Allows you to specify the video encoder to use and its associated " \
47 #define VCODEC_TEXT N_("Destination video codec")
48 #define VCODEC_LONGTEXT N_( \
49 "Allows you to specify the destination video codec used for the " \
51 #define VB_TEXT N_("Video bitrate")
52 #define VB_LONGTEXT N_( \
53 "Allows you to specify the video bitrate used for the streaming " \
55 #define SCALE_TEXT N_("Video scaling")
56 #define SCALE_LONGTEXT N_( \
57 "Allows you to scale the video before encoding." )
58 #define FPS_TEXT N_("Video frame-rate")
59 #define FPS_LONGTEXT N_( \
60 "Allows you to specify an output frame rate for the video." )
61 #define DEINTERLACE_TEXT N_("Deinterlace video")
62 #define DEINTERLACE_LONGTEXT N_( \
63 "Allows you to deinterlace the video before encoding." )
64 #define DEINTERLACE_MODULE_TEXT N_("Deinterlace module")
65 #define DEINTERLACE_MODULE_LONGTEXT N_( \
66 "Specifies the deinterlace module to use (ffmpeg-deinterlace or " \
68 #define WIDTH_TEXT N_("Video width")
69 #define WIDTH_LONGTEXT N_( \
70 "Allows you to specify the output video width." )
71 #define HEIGHT_TEXT N_("Video height")
72 #define HEIGHT_LONGTEXT N_( \
73 "Allows you to specify the output video height." )
74 #define VFILTER_TEXT N_("Video filter")
75 #define VFILTER_LONGTEXT N_( \
76 "Allows you to specify video filters used after the video " \
77 "transcoding and subpictures overlaying." )
79 #define CROPTOP_TEXT N_("Video crop top")
80 #define CROPTOP_LONGTEXT N_( \
81 "Allows you to specify the top coordinate for the video cropping." )
82 #define CROPLEFT_TEXT N_("Video crop left")
83 #define CROPLEFT_LONGTEXT N_( \
84 "Allows you to specify the left coordinate for the video cropping." )
85 #define CROPBOTTOM_TEXT N_("Video crop bottom")
86 #define CROPBOTTOM_LONGTEXT N_( \
87 "Allows you to specify the bottom coordinate for the video cropping." )
88 #define CROPRIGHT_TEXT N_("Video crop right")
89 #define CROPRIGHT_LONGTEXT N_( \
90 "Allows you to specify the right coordinate for the video cropping." )
92 #define AENC_TEXT N_("Audio encoder")
93 #define AENC_LONGTEXT N_( \
94 "Allows you to specify the audio encoder to use and its associated " \
96 #define ACODEC_TEXT N_("Destination audio codec")
97 #define ACODEC_LONGTEXT N_( \
98 "Allows you to specify the destination audio codec used for the " \
100 #define AB_TEXT N_("Audio bitrate")
101 #define AB_LONGTEXT N_( \
102 "Allows you to specify the audio bitrate used for the streaming " \
104 #define ARATE_TEXT N_("Audio sample rate")
105 #define ARATE_LONGTEXT N_( \
106 "Allows you to specify the audio sample rate used for the streaming " \
108 #define ACHANS_TEXT N_("Audio channels")
109 #define ACHANS_LONGTEXT N_( \
110 "Allows you to specify the number of audio channels used for the " \
111 "streaming output." )
113 #define SENC_TEXT N_("Subtitles encoder")
114 #define SENC_LONGTEXT N_( \
115 "Allows you to specify the subtitles encoder to use and its associated " \
117 #define SCODEC_TEXT N_("Destination subtitles codec")
118 #define SCODEC_LONGTEXT N_( \
119 "Allows you to specify the destination subtitles codec used for the " \
120 "streaming output." )
121 #define SFILTER_TEXT N_("Subpictures filter")
122 #define SFILTER_LONGTEXT N_( \
123 "Allows you to specify subpictures filters used during the video " \
124 "transcoding. The subpictures produced by the filters will be overlayed " \
125 "directly onto the video." )
127 #define THREADS_TEXT N_("Number of threads")
128 #define THREADS_LONGTEXT N_( \
129 "Allows you to specify the number of threads used for the transcoding." )
130 #define HP_TEXT N_("High priority")
131 #define HP_LONGTEXT N_( \
132 "Runs the optional encoder thread at the OUTPUT priority instead of " \
135 #define ASYNC_TEXT N_("Synchronise on audio track")
136 #define ASYNC_LONGTEXT N_( \
137 "This option will drop/duplicate video frames to synchronise the video " \
138 "track on the audio track." )
140 #define HURRYUP_TEXT N_( "Hurry up" )
141 #define HURRYUP_LONGTEXT N_( "Allows you to specify if the transcoder " \
142 "should drop frames if your CPU can't keep up with the encoding rate." )
144 static int Open ( vlc_object_t * );
145 static void Close( vlc_object_t * );
147 #define SOUT_CFG_PREFIX "sout-transcode-"
150 set_shortname( _("Transcode"));
151 set_description( _("Transcode stream output") );
152 set_capability( "sout stream", 50 );
153 add_shortcut( "transcode" );
154 set_callbacks( Open, Close );
155 set_category( CAT_SOUT );
156 set_subcategory( SUBCAT_SOUT_STREAM );
157 set_section( N_("Video"), NULL );
158 add_string( SOUT_CFG_PREFIX "venc", NULL, NULL, VENC_TEXT,
159 VENC_LONGTEXT, VLC_FALSE );
160 add_string( SOUT_CFG_PREFIX "vcodec", NULL, NULL, VCODEC_TEXT,
161 VCODEC_LONGTEXT, VLC_FALSE );
162 add_integer( SOUT_CFG_PREFIX "vb", 800 * 1000, NULL, VB_TEXT,
163 VB_LONGTEXT, VLC_FALSE );
164 add_float( SOUT_CFG_PREFIX "scale", 1, NULL, SCALE_TEXT,
165 SCALE_LONGTEXT, VLC_FALSE );
166 add_float( SOUT_CFG_PREFIX "fps", 0, NULL, FPS_TEXT,
167 FPS_LONGTEXT, VLC_FALSE );
168 add_bool( SOUT_CFG_PREFIX "hurry-up", VLC_TRUE, NULL, HURRYUP_TEXT,
169 HURRYUP_LONGTEXT, VLC_FALSE );
170 add_bool( SOUT_CFG_PREFIX "deinterlace", 0, NULL, DEINTERLACE_TEXT,
171 DEINTERLACE_LONGTEXT, VLC_FALSE );
172 add_string( SOUT_CFG_PREFIX "deinterlace-module", "deinterlace", NULL,
173 DEINTERLACE_MODULE_TEXT, DEINTERLACE_MODULE_LONGTEXT,
175 add_integer( SOUT_CFG_PREFIX "width", 0, NULL, WIDTH_TEXT,
176 WIDTH_LONGTEXT, VLC_TRUE );
177 add_integer( SOUT_CFG_PREFIX "height", 0, NULL, HEIGHT_TEXT,
178 HEIGHT_LONGTEXT, VLC_TRUE );
179 add_module_list_cat( SOUT_CFG_PREFIX "vfilter", SUBCAT_VIDEO_VFILTER,
181 VFILTER_TEXT, VFILTER_LONGTEXT, VLC_FALSE );
183 add_integer( SOUT_CFG_PREFIX "croptop", 0, NULL, CROPTOP_TEXT,
184 CROPTOP_LONGTEXT, VLC_TRUE );
185 add_integer( SOUT_CFG_PREFIX "cropleft", 0, NULL, CROPLEFT_TEXT,
186 CROPLEFT_LONGTEXT, VLC_TRUE );
187 add_integer( SOUT_CFG_PREFIX "cropbottom", 0, NULL, CROPBOTTOM_TEXT,
188 CROPBOTTOM_LONGTEXT, VLC_TRUE );
189 add_integer( SOUT_CFG_PREFIX "cropright", 0, NULL, CROPRIGHT_TEXT,
190 CROPRIGHT_LONGTEXT, VLC_TRUE );
192 set_section( N_("Audio"), NULL );
193 add_string( SOUT_CFG_PREFIX "aenc", NULL, NULL, AENC_TEXT,
194 AENC_LONGTEXT, VLC_FALSE );
195 add_string( SOUT_CFG_PREFIX "acodec", NULL, NULL, ACODEC_TEXT,
196 ACODEC_LONGTEXT, VLC_FALSE );
197 add_integer( SOUT_CFG_PREFIX "ab", 64000, NULL, AB_TEXT,
198 AB_LONGTEXT, VLC_FALSE );
199 add_integer( SOUT_CFG_PREFIX "channels", 0, NULL, ACHANS_TEXT,
200 ACHANS_LONGTEXT, VLC_FALSE );
201 add_integer( SOUT_CFG_PREFIX "samplerate", 0, NULL, ARATE_TEXT,
202 ARATE_LONGTEXT, VLC_TRUE );
203 add_bool( SOUT_CFG_PREFIX "audio-sync", 0, NULL, ASYNC_TEXT,
204 ASYNC_LONGTEXT, VLC_FALSE );
206 set_section( N_("Overlays/Subtitles"), NULL );
207 add_string( SOUT_CFG_PREFIX "senc", NULL, NULL, SENC_TEXT,
208 SENC_LONGTEXT, VLC_FALSE );
209 add_string( SOUT_CFG_PREFIX "scodec", NULL, NULL, SCODEC_TEXT,
210 SCODEC_LONGTEXT, VLC_FALSE );
211 add_bool( SOUT_CFG_PREFIX "soverlay", 0, NULL, SCODEC_TEXT,
212 SCODEC_LONGTEXT, VLC_FALSE );
213 add_module_list_cat( SOUT_CFG_PREFIX "sfilter", SUBCAT_VIDEO_SUBPIC,
215 SFILTER_TEXT, SFILTER_LONGTEXT, VLC_FALSE );
217 set_section( N_("Miscellaneous"), NULL );
218 add_integer( SOUT_CFG_PREFIX "threads", 0, NULL, THREADS_TEXT,
219 THREADS_LONGTEXT, VLC_TRUE );
220 add_bool( SOUT_CFG_PREFIX "high-priority", 0, NULL, HP_TEXT, HP_LONGTEXT,
225 static const char *ppsz_sout_options[] = {
226 "venc", "vcodec", "vb", "croptop", "cropbottom", "cropleft", "cropright",
227 "scale", "fps", "width", "height", "vfilter", "deinterlace",
228 "deinterlace-module", "threads", "hurry-up", "aenc", "acodec", "ab",
229 "samplerate", "channels", "senc", "scodec", "soverlay", "sfilter",
230 "audio-sync", "high-priority", NULL
233 /*****************************************************************************
234 * Exported prototypes
235 *****************************************************************************/
236 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
237 static int Del ( sout_stream_t *, sout_stream_id_t * );
238 static int Send( sout_stream_t *, sout_stream_id_t *, block_t* );
240 static int transcode_audio_new ( sout_stream_t *, sout_stream_id_t * );
241 static void transcode_audio_close ( sout_stream_t *, sout_stream_id_t * );
242 static int transcode_audio_process( sout_stream_t *, sout_stream_id_t *,
243 block_t *, block_t ** );
245 static aout_buffer_t *audio_new_buffer( decoder_t *, int );
246 static void audio_del_buffer( decoder_t *, aout_buffer_t * );
248 static int transcode_video_new ( sout_stream_t *, sout_stream_id_t * );
249 static void transcode_video_close ( sout_stream_t *, sout_stream_id_t * );
250 static int transcode_video_encoder_open( sout_stream_t *, sout_stream_id_t *);
251 static int transcode_video_process( sout_stream_t *, sout_stream_id_t *,
252 block_t *, block_t ** );
254 static void video_del_buffer( vlc_object_t *, picture_t * );
255 static picture_t *video_new_buffer_decoder( decoder_t * );
256 static void video_del_buffer_decoder( decoder_t *, picture_t * );
257 static void video_link_picture_decoder( decoder_t *, picture_t * );
258 static void video_unlink_picture_decoder( decoder_t *, picture_t * );
259 static picture_t *video_new_buffer_filter( filter_t * );
260 static void video_del_buffer_filter( filter_t *, picture_t * );
262 static int transcode_spu_new ( sout_stream_t *, sout_stream_id_t * );
263 static void transcode_spu_close ( sout_stream_t *, sout_stream_id_t * );
264 static int transcode_spu_process( sout_stream_t *, sout_stream_id_t *,
265 block_t *, block_t ** );
267 static int EncoderThread( struct sout_stream_sys_t * p_sys );
269 static int pi_channels_maps[6] =
272 AOUT_CHAN_CENTER, AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
273 AOUT_CHAN_CENTER | AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
274 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT
275 | AOUT_CHAN_REARRIGHT,
276 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
277 | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT
280 #define PICTURE_RING_SIZE 64
281 #define SUBPICTURE_RING_SIZE 20
283 struct sout_stream_sys_t
287 sout_stream_t *p_out;
288 sout_stream_id_t *id_video;
290 vlc_mutex_t lock_out;
292 picture_t * pp_pics[PICTURE_RING_SIZE];
293 int i_first_pic, i_last_pic;
296 vlc_fourcc_t i_acodec; /* codec audio (0 if not transcode) */
298 sout_cfg_t *p_audio_cfg;
304 vlc_fourcc_t i_vcodec; /* codec video (0 if not transcode) */
306 sout_cfg_t *p_video_cfg;
312 vlc_bool_t b_deinterlace;
313 char *psz_deinterlace;
314 sout_cfg_t *p_deinterlace_cfg;
316 vlc_bool_t b_high_priority;
317 vlc_bool_t b_hurry_up;
318 char *psz_vfilters[10];
319 sout_cfg_t *p_vfilters_cfg[10];
328 vlc_fourcc_t i_scodec; /* codec spu (0 if not transcode) */
330 vlc_bool_t b_soverlay;
331 sout_cfg_t *p_spu_cfg;
335 vlc_bool_t b_master_sync;
336 mtime_t i_master_drift;
339 struct decoder_owner_sys_t
341 picture_t *pp_pics[PICTURE_RING_SIZE];
342 sout_stream_sys_t *p_sys;
344 struct filter_owner_sys_t
346 picture_t *pp_pics[PICTURE_RING_SIZE];
347 sout_stream_sys_t *p_sys;
350 /*****************************************************************************
352 *****************************************************************************/
353 static int Open( vlc_object_t *p_this )
355 sout_stream_t *p_stream = (sout_stream_t*)p_this;
356 sout_stream_sys_t *p_sys;
359 p_sys = vlc_object_create( p_this, sizeof( sout_stream_sys_t ) );
361 p_sys->p_out = sout_StreamNew( p_stream->p_sout, p_stream->psz_next );
364 msg_Err( p_stream, "cannot create chain" );
365 vlc_object_destroy( p_sys );
369 p_sys->i_master_drift = 0;
371 sout_CfgParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options,
374 /* Audio transcoding parameters */
375 var_Get( p_stream, SOUT_CFG_PREFIX "aenc", &val );
376 p_sys->psz_aenc = NULL;
377 p_sys->p_audio_cfg = NULL;
378 if( val.psz_string && *val.psz_string )
381 psz_next = sout_CfgCreate( &p_sys->psz_aenc, &p_sys->p_audio_cfg,
383 if( psz_next ) free( psz_next );
385 if( val.psz_string ) free( val.psz_string );
387 var_Get( p_stream, SOUT_CFG_PREFIX "acodec", &val );
389 if( val.psz_string && *val.psz_string )
392 memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
393 p_sys->i_acodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
395 if( val.psz_string ) free( val.psz_string );
397 var_Get( p_stream, SOUT_CFG_PREFIX "ab", &val );
398 p_sys->i_abitrate = val.i_int;
399 if( p_sys->i_abitrate < 4000 ) p_sys->i_abitrate *= 1000;
401 var_Get( p_stream, SOUT_CFG_PREFIX "samplerate", &val );
402 p_sys->i_sample_rate = val.i_int;
404 var_Get( p_stream, SOUT_CFG_PREFIX "channels", &val );
405 p_sys->i_channels = val.i_int;
407 if( p_sys->i_acodec )
409 msg_Dbg( p_stream, "codec audio=%4.4s %dHz %d channels %dKb/s",
410 (char *)&p_sys->i_acodec, p_sys->i_sample_rate,
411 p_sys->i_channels, p_sys->i_abitrate / 1000 );
414 /* Video transcoding parameters */
415 var_Get( p_stream, SOUT_CFG_PREFIX "venc", &val );
416 p_sys->psz_venc = NULL;
417 p_sys->p_video_cfg = NULL;
418 if( val.psz_string && *val.psz_string )
421 psz_next = sout_CfgCreate( &p_sys->psz_venc, &p_sys->p_video_cfg,
423 if( psz_next ) free( psz_next );
425 if( val.psz_string ) free( val.psz_string );
427 var_Get( p_stream, SOUT_CFG_PREFIX "vcodec", &val );
429 if( val.psz_string && *val.psz_string )
432 memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
433 p_sys->i_vcodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
435 if( val.psz_string ) free( val.psz_string );
437 var_Get( p_stream, SOUT_CFG_PREFIX "vb", &val );
438 p_sys->i_vbitrate = val.i_int;
439 if( p_sys->i_vbitrate < 16000 ) p_sys->i_vbitrate *= 1000;
441 var_Get( p_stream, SOUT_CFG_PREFIX "scale", &val );
442 p_sys->f_scale = val.f_float;
444 var_Get( p_stream, SOUT_CFG_PREFIX "fps", &val );
445 p_sys->f_fps = val.f_float;
447 var_Get( p_stream, SOUT_CFG_PREFIX "hurry-up", &val );
448 p_sys->b_hurry_up = val.b_bool;
450 var_Get( p_stream, SOUT_CFG_PREFIX "width", &val );
451 p_sys->i_width = val.i_int;
453 var_Get( p_stream, SOUT_CFG_PREFIX "height", &val );
454 p_sys->i_height = val.i_int;
456 var_Get( p_stream, SOUT_CFG_PREFIX "vfilter", &val );
457 p_sys->i_vfilters = 0;
458 if( val.psz_string && *val.psz_string )
460 char *psz_parser = val.psz_string;
462 while( psz_parser != NULL && *psz_parser != '\0' )
464 psz_parser = sout_CfgCreate(
465 &p_sys->psz_vfilters[p_sys->i_vfilters],
466 &p_sys->p_vfilters_cfg[p_sys->i_vfilters],
469 if( psz_parser != NULL && *psz_parser != '\0' ) psz_parser++;
472 if( val.psz_string ) free( val.psz_string );
473 p_sys->psz_vfilters[p_sys->i_vfilters] = NULL;
474 p_sys->p_vfilters_cfg[p_sys->i_vfilters] = NULL;
476 var_Get( p_stream, SOUT_CFG_PREFIX "deinterlace", &val );
477 p_sys->b_deinterlace = val.b_bool;
479 var_Get( p_stream, SOUT_CFG_PREFIX "deinterlace-module", &val );
480 p_sys->psz_deinterlace = NULL;
481 p_sys->p_deinterlace_cfg = NULL;
482 if( val.psz_string && *val.psz_string )
485 psz_next = sout_CfgCreate( &p_sys->psz_deinterlace,
486 &p_sys->p_deinterlace_cfg,
488 if( psz_next ) free( psz_next );
490 if( val.psz_string ) free( val.psz_string );
492 var_Get( p_stream, SOUT_CFG_PREFIX "croptop", &val );
493 p_sys->i_crop_top = val.i_int;
494 var_Get( p_stream, SOUT_CFG_PREFIX "cropbottom", &val );
495 p_sys->i_crop_bottom = val.i_int;
496 var_Get( p_stream, SOUT_CFG_PREFIX "cropleft", &val );
497 p_sys->i_crop_left = val.i_int;
498 var_Get( p_stream, SOUT_CFG_PREFIX "cropright", &val );
499 p_sys->i_crop_right = val.i_int;
501 var_Get( p_stream, SOUT_CFG_PREFIX "threads", &val );
502 p_sys->i_threads = val.i_int;
503 var_Get( p_stream, SOUT_CFG_PREFIX "high-priority", &val );
504 p_sys->b_high_priority = val.b_bool;
506 if( p_sys->i_vcodec )
508 msg_Dbg( p_stream, "codec video=%4.4s %dx%d scaling: %f %dkb/s",
509 (char *)&p_sys->i_vcodec, p_sys->i_width, p_sys->i_height,
510 p_sys->f_scale, p_sys->i_vbitrate / 1000 );
513 /* Subpictures transcoding parameters */
515 p_sys->psz_senc = NULL;
516 p_sys->p_spu_cfg = NULL;
519 var_Get( p_stream, SOUT_CFG_PREFIX "senc", &val );
520 if( val.psz_string && *val.psz_string )
523 psz_next = sout_CfgCreate( &p_sys->psz_senc, &p_sys->p_spu_cfg,
525 if( psz_next ) free( psz_next );
527 if( val.psz_string ) free( val.psz_string );
529 var_Get( p_stream, SOUT_CFG_PREFIX "scodec", &val );
530 if( val.psz_string && *val.psz_string )
533 memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
534 p_sys->i_scodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
536 if( val.psz_string ) free( val.psz_string );
538 if( p_sys->i_scodec )
540 msg_Dbg( p_stream, "codec spu=%4.4s", (char *)&p_sys->i_scodec );
543 var_Get( p_stream, SOUT_CFG_PREFIX "soverlay", &val );
544 p_sys->b_soverlay = val.b_bool;
546 var_Get( p_stream, SOUT_CFG_PREFIX "sfilter", &val );
547 if( val.psz_string && *val.psz_string )
549 p_sys->p_spu = spu_Create( p_stream );
550 var_Create( p_sys->p_spu, "sub-filter", VLC_VAR_STRING );
551 var_Set( p_sys->p_spu, "sub-filter", val );
552 spu_Init( p_sys->p_spu );
554 if( val.psz_string ) free( val.psz_string );
556 var_Get( p_stream, SOUT_CFG_PREFIX "audio-sync", &val );
557 p_sys->b_master_sync = val.b_bool;
558 if( p_sys->f_fps > 0 ) p_sys->b_master_sync = VLC_TRUE;
560 p_stream->pf_add = Add;
561 p_stream->pf_del = Del;
562 p_stream->pf_send = Send;
563 p_stream->p_sys = p_sys;
568 /*****************************************************************************
570 *****************************************************************************/
571 static void Close( vlc_object_t * p_this )
573 sout_stream_t *p_stream = (sout_stream_t*)p_this;
574 sout_stream_sys_t *p_sys = p_stream->p_sys;
576 sout_StreamDelete( p_sys->p_out );
578 while( p_sys->p_audio_cfg != NULL )
580 sout_cfg_t *p_next = p_sys->p_audio_cfg->p_next;
582 if( p_sys->p_audio_cfg->psz_name )
583 free( p_sys->p_audio_cfg->psz_name );
584 if( p_sys->p_audio_cfg->psz_value )
585 free( p_sys->p_audio_cfg->psz_value );
586 free( p_sys->p_audio_cfg );
588 p_sys->p_audio_cfg = p_next;
590 if( p_sys->psz_aenc ) free( p_sys->psz_aenc );
592 while( p_sys->p_video_cfg != NULL )
594 sout_cfg_t *p_next = p_sys->p_video_cfg->p_next;
596 if( p_sys->p_video_cfg->psz_name )
597 free( p_sys->p_video_cfg->psz_name );
598 if( p_sys->p_video_cfg->psz_value )
599 free( p_sys->p_video_cfg->psz_value );
600 free( p_sys->p_video_cfg );
602 p_sys->p_video_cfg = p_next;
604 if( p_sys->psz_venc ) free( p_sys->psz_venc );
606 while( p_sys->p_deinterlace_cfg != NULL )
608 sout_cfg_t *p_next = p_sys->p_deinterlace_cfg->p_next;
610 if( p_sys->p_deinterlace_cfg->psz_name )
611 free( p_sys->p_deinterlace_cfg->psz_name );
612 if( p_sys->p_deinterlace_cfg->psz_value )
613 free( p_sys->p_deinterlace_cfg->psz_value );
614 free( p_sys->p_deinterlace_cfg );
616 p_sys->p_deinterlace_cfg = p_next;
618 if( p_sys->psz_deinterlace ) free( p_sys->psz_deinterlace );
620 while( p_sys->p_spu_cfg != NULL )
622 sout_cfg_t *p_next = p_sys->p_spu_cfg->p_next;
624 if( p_sys->p_spu_cfg->psz_name )
625 free( p_sys->p_spu_cfg->psz_name );
626 if( p_sys->p_spu_cfg->psz_value )
627 free( p_sys->p_spu_cfg->psz_value );
628 free( p_sys->p_spu_cfg );
630 p_sys->p_spu_cfg = p_next;
632 if( p_sys->psz_senc ) free( p_sys->psz_senc );
634 if( p_sys->p_spu ) spu_Destroy( p_sys->p_spu );
636 vlc_object_destroy( p_sys );
639 struct sout_stream_id_t
641 vlc_fourcc_t b_transcode;
643 /* id of the out stream */
647 decoder_t *p_decoder;
650 filter_t *pp_filter[10];
652 filter_t *pp_vfilter[10];
656 encoder_t *p_encoder;
659 date_t interpolated_pts;
663 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
665 sout_stream_sys_t *p_sys = p_stream->p_sys;
666 sout_stream_id_t *id;
668 id = malloc( sizeof( sout_stream_id_t ) );
669 memset( id, 0, sizeof(sout_stream_id_t) );
672 id->p_decoder = NULL;
673 id->p_encoder = NULL;
675 /* Create decoder object */
676 id->p_decoder = vlc_object_create( p_stream, VLC_OBJECT_DECODER );
679 msg_Err( p_stream, "out of memory" );
682 vlc_object_attach( id->p_decoder, p_stream );
683 id->p_decoder->p_module = NULL;
684 id->p_decoder->fmt_in = *p_fmt;
685 id->p_decoder->b_pace_control = VLC_TRUE;
687 /* Create encoder object */
688 id->p_encoder = vlc_object_create( p_stream, VLC_OBJECT_ENCODER );
691 msg_Err( p_stream, "out of memory" );
694 vlc_object_attach( id->p_encoder, p_stream );
695 id->p_encoder->p_module = NULL;
697 /* Create destination format */
698 es_format_Init( &id->p_encoder->fmt_out, p_fmt->i_cat, 0 );
699 id->p_encoder->fmt_out.i_id = p_fmt->i_id;
700 id->p_encoder->fmt_out.i_group = p_fmt->i_group;
701 if( p_fmt->psz_language )
702 id->p_encoder->fmt_out.psz_language = strdup( p_fmt->psz_language );
704 if( p_fmt->i_cat == AUDIO_ES && (p_sys->i_acodec || p_sys->psz_aenc) )
707 "creating audio transcoding from fcc=`%4.4s' to fcc=`%4.4s'",
708 (char*)&p_fmt->i_codec, (char*)&p_sys->i_acodec );
710 /* Complete destination format */
711 id->p_encoder->fmt_out.i_codec = p_sys->i_acodec;
712 id->p_encoder->fmt_out.audio.i_rate = p_sys->i_sample_rate > 0 ?
713 p_sys->i_sample_rate : (int)p_fmt->audio.i_rate;
714 id->p_encoder->fmt_out.i_bitrate = p_sys->i_abitrate;
715 id->p_encoder->fmt_out.audio.i_bitspersample =
716 p_fmt->audio.i_bitspersample;
717 id->p_encoder->fmt_out.audio.i_channels = p_sys->i_channels > 0 ?
718 p_sys->i_channels : p_fmt->audio.i_channels;
719 /* Sanity check for audio channels */
720 id->p_encoder->fmt_out.audio.i_channels =
721 __MIN( id->p_encoder->fmt_out.audio.i_channels,
722 id->p_decoder->fmt_in.audio.i_channels );
723 id->p_encoder->fmt_out.audio.i_original_channels =
724 id->p_decoder->fmt_in.audio.i_physical_channels;
725 if( id->p_decoder->fmt_in.audio.i_channels ==
726 id->p_encoder->fmt_out.audio.i_channels )
728 id->p_encoder->fmt_out.audio.i_physical_channels =
729 id->p_decoder->fmt_in.audio.i_physical_channels;
733 id->p_encoder->fmt_out.audio.i_physical_channels =
734 pi_channels_maps[id->p_encoder->fmt_out.audio.i_channels];
737 /* Build decoder -> filter -> encoder chain */
738 if( transcode_audio_new( p_stream, id ) )
740 msg_Err( p_stream, "cannot create audio chain" );
744 /* Open output stream */
745 id->id = p_sys->p_out->pf_add( p_sys->p_out, &id->p_encoder->fmt_out );
746 id->b_transcode = VLC_TRUE;
748 if( !id->id ) goto error;
750 date_Init( &id->interpolated_pts, p_fmt->audio.i_rate, 1 );
752 else if( p_fmt->i_cat == VIDEO_ES &&
753 (p_sys->i_vcodec != 0 || p_sys->psz_venc) )
756 "creating video transcoding from fcc=`%4.4s' to fcc=`%4.4s'",
757 (char*)&p_fmt->i_codec, (char*)&p_sys->i_vcodec );
759 /* Complete destination format */
760 id->p_encoder->fmt_out.i_codec = p_sys->i_vcodec;
761 id->p_encoder->fmt_out.video.i_width = p_sys->i_width;
762 id->p_encoder->fmt_out.video.i_height = p_sys->i_height;
763 id->p_encoder->fmt_out.i_bitrate = p_sys->i_vbitrate;
765 /* Build decoder -> filter -> encoder chain */
766 if( transcode_video_new( p_stream, id ) )
768 msg_Err( p_stream, "cannot create video chain" );
772 /* Stream will be added later on because we don't know
773 * all the characteristics of the decoded stream yet */
774 id->b_transcode = VLC_TRUE;
776 if( p_sys->f_fps > 0 )
778 id->p_encoder->fmt_out.video.i_frame_rate =
779 (p_sys->f_fps * 1001) + 0.5;
780 id->p_encoder->fmt_out.video.i_frame_rate_base = 1001;
783 else if( p_fmt->i_cat == SPU_ES && (p_sys->i_scodec || p_sys->psz_senc) )
785 msg_Dbg( p_stream, "creating subtitles transcoding from fcc=`%4.4s' "
786 "to fcc=`%4.4s'", (char*)&p_fmt->i_codec,
787 (char*)&p_sys->i_scodec );
789 /* Complete destination format */
790 id->p_encoder->fmt_out.i_codec = p_sys->i_scodec;
792 /* build decoder -> filter -> encoder */
793 if( transcode_spu_new( p_stream, id ) )
795 msg_Err( p_stream, "cannot create subtitles chain" );
799 /* open output stream */
800 id->id = p_sys->p_out->pf_add( p_sys->p_out, &id->p_encoder->fmt_out );
801 id->b_transcode = VLC_TRUE;
803 if( !id->id ) goto error;
805 else if( p_fmt->i_cat == SPU_ES && p_sys->b_soverlay )
807 msg_Dbg( p_stream, "subtitles (fcc=`%4.4s') overlaying",
808 (char*)&p_fmt->i_codec );
810 id->b_transcode = VLC_TRUE;
812 /* Build decoder -> filter -> overlaying chain */
813 if( transcode_spu_new( p_stream, id ) )
815 msg_Err( p_stream, "cannot create subtitles chain" );
821 msg_Dbg( p_stream, "not transcoding a stream (fcc=`%4.4s')",
822 (char*)&p_fmt->i_codec );
823 id->id = p_sys->p_out->pf_add( p_sys->p_out, p_fmt );
824 id->b_transcode = VLC_FALSE;
826 if( !id->id ) goto error;
834 vlc_object_detach( id->p_decoder );
835 vlc_object_destroy( id->p_decoder );
840 vlc_object_detach( id->p_encoder );
841 vlc_object_destroy( id->p_encoder );
848 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
850 sout_stream_sys_t *p_sys = p_stream->p_sys;
852 if( id->b_transcode )
854 switch( id->p_decoder->fmt_in.i_cat )
857 transcode_audio_close( p_stream, id );
860 transcode_video_close( p_stream, id );
863 transcode_spu_close( p_stream, id );
868 if( id->id ) p_sys->p_out->pf_del( p_sys->p_out, id->id );
872 vlc_object_detach( id->p_decoder );
873 vlc_object_destroy( id->p_decoder );
878 vlc_object_detach( id->p_encoder );
879 vlc_object_destroy( id->p_encoder );
887 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
890 sout_stream_sys_t *p_sys = p_stream->p_sys;
893 if( !id->b_transcode && id->id )
895 if( p_sys->b_master_sync && p_sys->i_master_drift )
897 if( p_buffer->i_dts > 0 )
899 p_buffer->i_dts -= p_sys->i_master_drift;
900 if( p_buffer->i_dts < 0 )
902 block_Release( p_buffer );
906 if( p_buffer->i_pts > 0 )
908 p_buffer->i_pts -= p_sys->i_master_drift;
909 if( p_buffer->i_pts < 0 )
911 block_Release( p_buffer );
917 return p_sys->p_out->pf_send( p_sys->p_out, id->id, p_buffer );
919 else if( !id->b_transcode )
921 block_Release( p_buffer );
925 switch( id->p_decoder->fmt_in.i_cat )
928 transcode_audio_process( p_stream, id, p_buffer, &p_out );
932 if( transcode_video_process( p_stream, id, p_buffer, &p_out )
940 if( transcode_spu_process( p_stream, id, p_buffer, &p_out ) !=
948 block_Release( p_buffer );
952 if( p_out ) return p_sys->p_out->pf_send( p_sys->p_out, id->id, p_out );
956 /****************************************************************************
957 * decoder reencoder part
958 ****************************************************************************/
959 int audio_BitsPerSample( vlc_fourcc_t i_format )
963 case VLC_FOURCC('u','8',' ',' '):
964 case VLC_FOURCC('s','8',' ',' '):
967 case VLC_FOURCC('u','1','6','l'):
968 case VLC_FOURCC('s','1','6','l'):
969 case VLC_FOURCC('u','1','6','b'):
970 case VLC_FOURCC('s','1','6','b'):
973 case VLC_FOURCC('u','2','4','l'):
974 case VLC_FOURCC('s','2','4','l'):
975 case VLC_FOURCC('u','2','4','b'):
976 case VLC_FOURCC('s','2','4','b'):
979 case VLC_FOURCC('u','3','2','l'):
980 case VLC_FOURCC('s','3','2','l'):
981 case VLC_FOURCC('u','3','2','b'):
982 case VLC_FOURCC('s','3','2','b'):
983 case VLC_FOURCC('f','l','3','2'):
984 case VLC_FOURCC('f','i','3','2'):
987 case VLC_FOURCC('f','l','6','4'):
994 static filter_t *transcode_audio_filter_new( sout_stream_t *p_stream,
995 sout_stream_id_t *id,
996 es_format_t *p_fmt_in,
997 es_format_t *p_fmt_out )
999 filter_t *p_filter = vlc_object_create( p_stream, VLC_OBJECT_FILTER );
1001 vlc_object_attach( p_filter, p_stream );
1002 p_filter->pf_audio_buffer_new = __block_New;
1004 p_filter->fmt_in = *p_fmt_in;
1005 p_filter->fmt_out = *p_fmt_out;
1007 p_filter->p_module = module_Need( p_filter, "audio filter2", 0, 0 );
1008 if( p_filter->p_module )
1010 p_filter->fmt_out.audio.i_bitspersample =
1011 audio_BitsPerSample( p_filter->fmt_out.i_codec );
1012 *p_fmt_in = p_filter->fmt_out;
1016 vlc_object_detach( p_filter );
1017 vlc_object_destroy( p_filter );
1024 static int transcode_audio_new( sout_stream_t *p_stream,
1025 sout_stream_id_t *id )
1027 sout_stream_sys_t *p_sys = p_stream->p_sys;
1028 es_format_t fmt_last;
1035 /* Initialization of decoder structures */
1036 id->p_decoder->fmt_out = id->p_decoder->fmt_in;
1037 id->p_decoder->fmt_out.i_extra = 0;
1038 id->p_decoder->fmt_out.p_extra = 0;
1039 id->p_decoder->pf_decode_audio = 0;
1040 id->p_decoder->pf_aout_buffer_new = audio_new_buffer;
1041 id->p_decoder->pf_aout_buffer_del = audio_del_buffer;
1042 //id->p_decoder->p_cfg = p_sys->p_video_cfg;
1044 id->p_decoder->p_module =
1045 module_Need( id->p_decoder, "decoder", "$codec", 0 );
1047 if( !id->p_decoder->p_module )
1049 msg_Err( p_stream, "cannot find decoder" );
1050 return VLC_EGENERIC;
1052 id->p_decoder->fmt_out.audio.i_bitspersample =
1053 audio_BitsPerSample( id->p_decoder->fmt_out.i_codec );
1054 fmt_last = id->p_decoder->fmt_out;
1055 /* FIX decoders so we don't have to do this */
1056 fmt_last.audio.i_rate = id->p_decoder->fmt_in.audio.i_rate;
1062 /* Initialization of encoder format structures */
1063 es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
1064 id->p_decoder->fmt_out.i_codec );
1065 id->p_encoder->fmt_in.audio.i_format = id->p_decoder->fmt_out.i_codec;
1067 /* Initialization of encoder format structures */
1068 es_format_Init( &id->p_encoder->fmt_in, AUDIO_ES, AOUT_FMT_S16_NE );
1069 id->p_encoder->fmt_in.audio.i_format = AOUT_FMT_S16_NE;
1070 id->p_encoder->fmt_in.audio.i_rate = id->p_encoder->fmt_out.audio.i_rate;
1071 id->p_encoder->fmt_in.audio.i_physical_channels =
1072 id->p_encoder->fmt_out.audio.i_physical_channels;
1073 id->p_encoder->fmt_in.audio.i_original_channels =
1074 id->p_encoder->fmt_out.audio.i_original_channels;
1075 id->p_encoder->fmt_in.audio.i_channels =
1076 id->p_encoder->fmt_out.audio.i_channels;
1077 id->p_encoder->fmt_in.audio.i_bitspersample =
1078 audio_BitsPerSample( id->p_encoder->fmt_in.i_codec );
1080 id->p_encoder->p_cfg = p_stream->p_sys->p_audio_cfg;
1082 id->p_encoder->p_module =
1083 module_Need( id->p_encoder, "encoder", p_sys->psz_aenc, VLC_TRUE );
1084 if( !id->p_encoder->p_module )
1086 msg_Err( p_stream, "cannot find encoder" );
1087 module_Unneed( id->p_decoder, id->p_decoder->p_module );
1088 id->p_decoder->p_module = 0;
1089 return VLC_EGENERIC;
1091 id->p_encoder->fmt_in.audio.i_format = id->p_encoder->fmt_in.i_codec;
1092 id->p_encoder->fmt_in.audio.i_bitspersample =
1093 audio_BitsPerSample( id->p_encoder->fmt_in.i_codec );
1095 /* Load conversion filters */
1096 if( fmt_last.audio.i_channels != id->p_encoder->fmt_in.audio.i_channels ||
1097 fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate )
1099 /* We'll have to go through fl32 first */
1100 es_format_t fmt_out = id->p_encoder->fmt_in;
1101 fmt_out.i_codec = fmt_out.audio.i_format = VLC_FOURCC('f','l','3','2');
1103 id->pp_filter[id->i_filter] =
1104 transcode_audio_filter_new( p_stream, id, &fmt_last, &fmt_out );
1106 if( id->pp_filter[id->i_filter] ) id->i_filter++;
1111 if( fmt_last.audio.i_channels !=
1112 id->p_encoder->fmt_in.audio.i_channels ||
1113 fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate ||
1114 fmt_last.i_codec != id->p_encoder->fmt_in.i_codec )
1116 id->pp_filter[id->i_filter] =
1117 transcode_audio_filter_new( p_stream, id, &fmt_last,
1118 &id->p_encoder->fmt_in );
1120 if( id->pp_filter[id->i_filter] ) id->i_filter++;
1125 /* Final checks to see if conversions were successful */
1126 if( fmt_last.i_codec != id->p_encoder->fmt_in.i_codec )
1128 msg_Err( p_stream, "no audio filter found (%4.4s->%4.4s)",
1129 (char *)&fmt_last.i_codec,
1130 (char *)&id->p_encoder->fmt_in.i_codec );
1131 transcode_audio_close( p_stream, id );
1132 return VLC_EGENERIC;
1135 if( fmt_last.audio.i_channels != id->p_encoder->fmt_in.audio.i_channels )
1137 msg_Err( p_stream, "no audio filter found for mixing from"
1138 " %i to %i channels", fmt_last.audio.i_channels,
1139 id->p_encoder->fmt_in.audio.i_channels );
1141 /* FIXME : this might work, but only if the encoder is restarted */
1142 id->p_encoder->fmt_in.audio.i_channels = fmt_last.audio.i_channels;
1143 id->p_encoder->fmt_out.audio.i_channels = fmt_last.audio.i_channels;
1145 id->p_encoder->fmt_in.audio.i_physical_channels =
1146 id->p_encoder->fmt_in.audio.i_original_channels =
1147 fmt_last.audio.i_physical_channels;
1148 id->p_encoder->fmt_out.audio.i_physical_channels =
1149 id->p_encoder->fmt_out.audio.i_original_channels =
1150 fmt_last.audio.i_physical_channels;
1152 transcode_audio_close( p_stream, id );
1153 return VLC_EGENERIC;
1157 if( fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate )
1159 msg_Err( p_stream, "no audio filter found for resampling from"
1160 " %iHz to %iHz", fmt_last.audio.i_rate,
1161 id->p_encoder->fmt_in.audio.i_rate );
1163 /* FIXME : this might work, but only if the encoder is restarted */
1164 id->p_encoder->fmt_in.audio.i_rate = fmt_last.audio.i_rate;
1165 id->p_encoder->fmt_out.audio.i_rate = fmt_last.audio.i_rate;
1167 transcode_audio_close( p_stream, id );
1168 return VLC_EGENERIC;
1172 /* FIXME: Hack for mp3 transcoding support */
1173 if( id->p_encoder->fmt_out.i_codec == VLC_FOURCC( 'm','p','3',' ' ) )
1174 id->p_encoder->fmt_out.i_codec = VLC_FOURCC( 'm','p','g','a' );
1179 static void transcode_audio_close( sout_stream_t *p_stream,
1180 sout_stream_id_t *id )
1185 if( id->p_decoder->p_module )
1186 module_Unneed( id->p_decoder, id->p_decoder->p_module );
1187 id->p_decoder->p_module = 0;
1190 if( id->p_encoder->p_module )
1191 module_Unneed( id->p_encoder, id->p_encoder->p_module );
1192 id->p_encoder->p_module = 0;
1195 for( i = 0; i < id->i_filter; i++ )
1197 vlc_object_detach( id->pp_filter[i] );
1198 if( id->pp_filter[i]->p_module )
1199 module_Unneed( id->pp_filter[i], id->pp_filter[i]->p_module );
1200 vlc_object_destroy( id->pp_filter[i] );
1204 static int transcode_audio_process( sout_stream_t *p_stream,
1205 sout_stream_id_t *id,
1206 block_t *in, block_t **out )
1208 sout_stream_sys_t *p_sys = p_stream->p_sys;
1209 aout_buffer_t *p_audio_buf;
1210 block_t *p_block, *p_audio_block;
1214 while( (p_audio_buf = id->p_decoder->pf_decode_audio( id->p_decoder,
1217 if( p_sys->b_master_sync )
1219 mtime_t i_dts = date_Get( &id->interpolated_pts ) + 1;
1220 p_sys->i_master_drift = p_audio_buf->start_date - i_dts;
1221 date_Increment( &id->interpolated_pts, p_audio_buf->i_nb_samples );
1222 p_audio_buf->start_date -= p_sys->i_master_drift;
1223 p_audio_buf->end_date -= p_sys->i_master_drift;
1226 p_audio_block = p_audio_buf->p_sys;
1227 p_audio_block->i_buffer = p_audio_buf->i_nb_bytes;
1228 p_audio_block->i_dts = p_audio_block->i_pts =
1229 p_audio_buf->start_date;
1230 p_audio_block->i_length = p_audio_buf->end_date -
1231 p_audio_buf->start_date;
1232 p_audio_block->i_samples = p_audio_buf->i_nb_samples;
1234 /* Run filter chain */
1235 for( i = 0; i < id->i_filter; i++ )
1238 id->pp_filter[i]->pf_audio_filter( id->pp_filter[i],
1242 p_audio_buf->p_buffer = p_audio_block->p_buffer;
1243 p_audio_buf->i_nb_bytes = p_audio_block->i_buffer;
1244 p_audio_buf->i_nb_samples = p_audio_block->i_samples;
1245 p_audio_buf->start_date = p_audio_block->i_dts;
1246 p_audio_buf->end_date = p_audio_block->i_dts + p_audio_block->i_length;
1248 p_block = id->p_encoder->pf_encode_audio( id->p_encoder, p_audio_buf );
1249 block_ChainAppend( out, p_block );
1250 block_Release( p_audio_block );
1251 free( p_audio_buf );
1257 static void audio_release_buffer( aout_buffer_t *p_buffer )
1259 if( p_buffer && p_buffer->p_sys ) block_Release( p_buffer->p_sys );
1260 if( p_buffer ) free( p_buffer );
1263 static aout_buffer_t *audio_new_buffer( decoder_t *p_dec, int i_samples )
1265 aout_buffer_t *p_buffer;
1269 if( p_dec->fmt_out.audio.i_bitspersample )
1271 i_size = i_samples * p_dec->fmt_out.audio.i_bitspersample / 8 *
1272 p_dec->fmt_out.audio.i_channels;
1274 else if( p_dec->fmt_out.audio.i_bytes_per_frame &&
1275 p_dec->fmt_out.audio.i_frame_length )
1277 i_size = i_samples * p_dec->fmt_out.audio.i_bytes_per_frame /
1278 p_dec->fmt_out.audio.i_frame_length;
1282 i_size = i_samples * 4 * p_dec->fmt_out.audio.i_channels;
1285 p_buffer = malloc( sizeof(aout_buffer_t) );
1286 p_buffer->pf_release = audio_release_buffer;
1287 p_buffer->p_sys = p_block = block_New( p_dec, i_size );
1289 p_buffer->p_buffer = p_block->p_buffer;
1290 p_buffer->i_size = p_buffer->i_nb_bytes = p_block->i_buffer;
1291 p_buffer->i_nb_samples = i_samples;
1292 p_block->i_samples = i_samples;
1297 static void audio_del_buffer( decoder_t *p_dec, aout_buffer_t *p_buffer )
1299 if( p_buffer && p_buffer->p_sys ) block_Release( p_buffer->p_sys );
1300 if( p_buffer ) free( p_buffer );
1306 static int transcode_video_new( sout_stream_t *p_stream, sout_stream_id_t *id )
1308 sout_stream_sys_t *p_sys = p_stream->p_sys;
1315 /* Initialization of decoder structures */
1316 id->p_decoder->fmt_out = id->p_decoder->fmt_in;
1317 id->p_decoder->fmt_out.i_extra = 0;
1318 id->p_decoder->fmt_out.p_extra = 0;
1319 id->p_decoder->pf_decode_video = 0;
1320 id->p_decoder->pf_vout_buffer_new = video_new_buffer_decoder;
1321 id->p_decoder->pf_vout_buffer_del = video_del_buffer_decoder;
1322 id->p_decoder->pf_picture_link = video_link_picture_decoder;
1323 id->p_decoder->pf_picture_unlink = video_unlink_picture_decoder;
1324 id->p_decoder->p_owner = malloc( sizeof(decoder_owner_sys_t) );
1325 for( i = 0; i < PICTURE_RING_SIZE; i++ )
1326 id->p_decoder->p_owner->pp_pics[i] = 0;
1327 id->p_decoder->p_owner->p_sys = p_sys;
1328 //id->p_decoder->p_cfg = p_sys->p_video_cfg;
1330 id->p_decoder->p_module =
1331 module_Need( id->p_decoder, "decoder", "$codec", 0 );
1333 if( !id->p_decoder->p_module )
1335 msg_Err( p_stream, "cannot find decoder" );
1336 return VLC_EGENERIC;
1341 * Because some info about the decoded input will only be available
1342 * once the first frame is decoded, we actually only test the availability
1343 * of the encoder here.
1346 /* Initialization of encoder format structures */
1347 es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
1348 id->p_decoder->fmt_out.i_codec );
1349 id->p_encoder->fmt_in.video.i_chroma = id->p_decoder->fmt_out.i_codec;
1351 /* The dimensions will be set properly later on.
1352 * Just put sensible values so we can test an encoder is available. */
1353 id->p_encoder->fmt_in.video.i_width =
1354 id->p_encoder->fmt_out.video.i_width ?
1355 id->p_encoder->fmt_out.video.i_width :
1356 id->p_decoder->fmt_in.video.i_width ?
1357 id->p_decoder->fmt_in.video.i_width : 16;
1358 id->p_encoder->fmt_in.video.i_height =
1359 id->p_encoder->fmt_out.video.i_height ?
1360 id->p_encoder->fmt_out.video.i_height :
1361 id->p_decoder->fmt_in.video.i_height ?
1362 id->p_decoder->fmt_in.video.i_height : 16;
1363 id->p_encoder->fmt_in.video.i_frame_rate = 25;
1364 id->p_encoder->fmt_in.video.i_frame_rate_base = 1;
1366 id->p_encoder->i_threads = p_sys->i_threads;
1367 id->p_encoder->p_cfg = p_sys->p_video_cfg;
1369 id->p_encoder->p_module =
1370 module_Need( id->p_encoder, "encoder", p_sys->psz_venc, VLC_TRUE );
1371 if( !id->p_encoder->p_module )
1373 msg_Err( p_stream, "cannot find encoder" );
1374 module_Unneed( id->p_decoder, id->p_decoder->p_module );
1375 id->p_decoder->p_module = 0;
1376 return VLC_EGENERIC;
1379 /* Close the encoder.
1380 * We'll open it only when we have the first frame. */
1381 module_Unneed( id->p_encoder, id->p_encoder->p_module );
1382 id->p_encoder->p_module = NULL;
1384 if( p_sys->i_threads >= 1 )
1386 int i_priority = p_sys->b_high_priority ? VLC_THREAD_PRIORITY_OUTPUT :
1387 VLC_THREAD_PRIORITY_VIDEO;
1388 p_sys->id_video = id;
1389 vlc_mutex_init( p_stream, &p_sys->lock_out );
1390 vlc_cond_init( p_stream, &p_sys->cond );
1391 memset( p_sys->pp_pics, 0, sizeof(p_sys->pp_pics) );
1392 p_sys->i_first_pic = 0;
1393 p_sys->i_last_pic = 0;
1394 p_sys->p_buffers = NULL;
1395 p_sys->b_die = p_sys->b_error = 0;
1396 if( vlc_thread_create( p_sys, "encoder", EncoderThread, i_priority,
1399 msg_Err( p_stream, "cannot spawn encoder thread" );
1400 module_Unneed( id->p_decoder, id->p_decoder->p_module );
1401 id->p_decoder->p_module = 0;
1402 return VLC_EGENERIC;
1406 date_Set( &id->interpolated_pts, 0 );
1411 static int transcode_video_encoder_open( sout_stream_t *p_stream,
1412 sout_stream_id_t *id )
1414 sout_stream_sys_t *p_sys = p_stream->p_sys;
1416 /* Hack because of the copy packetizer which can fail to detect the
1417 * proper size (which forces us to wait until the 1st frame
1419 int i_width = id->p_decoder->fmt_out.video.i_width -
1420 p_sys->i_crop_left - p_sys->i_crop_right;
1421 int i_height = id->p_decoder->fmt_out.video.i_height -
1422 p_sys->i_crop_top - p_sys->i_crop_bottom;
1424 if( id->p_encoder->fmt_out.video.i_width <= 0 &&
1425 id->p_encoder->fmt_out.video.i_height <= 0 && p_sys->f_scale )
1427 /* Apply the scaling */
1428 id->p_encoder->fmt_out.video.i_width = i_width * p_sys->f_scale;
1429 id->p_encoder->fmt_out.video.i_height = i_height * p_sys->f_scale;
1431 else if( id->p_encoder->fmt_out.video.i_width > 0 &&
1432 id->p_encoder->fmt_out.video.i_height <= 0 )
1434 id->p_encoder->fmt_out.video.i_height =
1435 id->p_encoder->fmt_out.video.i_width / (double)i_width * i_height;
1437 else if( id->p_encoder->fmt_out.video.i_width <= 0 &&
1438 id->p_encoder->fmt_out.video.i_height > 0 )
1440 id->p_encoder->fmt_out.video.i_width =
1441 id->p_encoder->fmt_out.video.i_height / (double)i_height * i_width;
1444 /* Make sure the size is at least a multiple of 2 */
1445 id->p_encoder->fmt_out.video.i_width =
1446 (id->p_encoder->fmt_out.video.i_width + 1) >> 1 << 1;
1447 id->p_encoder->fmt_out.video.i_height =
1448 (id->p_encoder->fmt_out.video.i_height + 1) >> 1 << 1;
1450 id->p_encoder->fmt_in.video.i_width =
1451 id->p_encoder->fmt_out.video.i_width;
1452 id->p_encoder->fmt_in.video.i_height =
1453 id->p_encoder->fmt_out.video.i_height;
1455 if( !id->p_encoder->fmt_out.video.i_frame_rate ||
1456 !id->p_encoder->fmt_out.video.i_frame_rate_base )
1458 if( id->p_decoder->fmt_out.video.i_frame_rate &&
1459 id->p_decoder->fmt_out.video.i_frame_rate_base )
1461 id->p_encoder->fmt_out.video.i_frame_rate =
1462 id->p_decoder->fmt_out.video.i_frame_rate;
1463 id->p_encoder->fmt_out.video.i_frame_rate_base =
1464 id->p_decoder->fmt_out.video.i_frame_rate_base;
1468 /* Pick a sensible default value */
1469 id->p_encoder->fmt_out.video.i_frame_rate = 25;
1470 id->p_encoder->fmt_out.video.i_frame_rate_base = 1;
1474 id->p_encoder->fmt_in.video.i_frame_rate =
1475 id->p_encoder->fmt_out.video.i_frame_rate;
1476 id->p_encoder->fmt_in.video.i_frame_rate_base =
1477 id->p_encoder->fmt_out.video.i_frame_rate_base;
1479 date_Init( &id->interpolated_pts,
1480 id->p_encoder->fmt_out.video.i_frame_rate,
1481 id->p_encoder->fmt_out.video.i_frame_rate_base );
1483 /* Check whether a particular aspect ratio was requested */
1484 if( !id->p_encoder->fmt_out.video.i_aspect )
1486 id->p_encoder->fmt_out.video.i_aspect =
1487 id->p_decoder->fmt_out.video.i_aspect;
1489 id->p_encoder->fmt_in.video.i_aspect =
1490 id->p_encoder->fmt_out.video.i_aspect;
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 return VLC_EGENERIC;
1500 id->p_encoder->fmt_in.video.i_chroma = id->p_encoder->fmt_in.i_codec;
1502 /* Hack for mp2v/mp1v transcoding support */
1503 if( id->p_encoder->fmt_out.i_codec == VLC_FOURCC('m','p','1','v') ||
1504 id->p_encoder->fmt_out.i_codec == VLC_FOURCC('m','p','2','v') )
1506 id->p_encoder->fmt_out.i_codec = VLC_FOURCC('m','p','g','v');
1509 id->id = p_stream->p_sys->p_out->pf_add( p_stream->p_sys->p_out,
1510 &id->p_encoder->fmt_out );
1513 msg_Err( p_stream, "cannot add this stream" );
1514 return VLC_EGENERIC;
1520 static void transcode_video_close( sout_stream_t *p_stream,
1521 sout_stream_id_t *id )
1525 if( p_stream->p_sys->i_threads >= 1 )
1527 vlc_mutex_lock( &p_stream->p_sys->lock_out );
1528 p_stream->p_sys->b_die = 1;
1529 vlc_cond_signal( &p_stream->p_sys->cond );
1530 vlc_mutex_unlock( &p_stream->p_sys->lock_out );
1531 vlc_thread_join( p_stream->p_sys );
1532 vlc_mutex_destroy( &p_stream->p_sys->lock_out );
1533 vlc_cond_destroy( &p_stream->p_sys->cond );
1537 if( id->p_decoder->p_module )
1538 module_Unneed( id->p_decoder, id->p_decoder->p_module );
1540 if( id->p_decoder->p_owner )
1542 /* Clean-up pictures ring buffer */
1543 for( i = 0; i < PICTURE_RING_SIZE; i++ )
1545 if( id->p_decoder->p_owner->pp_pics[i] )
1546 video_del_buffer( VLC_OBJECT(id->p_decoder),
1547 id->p_decoder->p_owner->pp_pics[i] );
1549 free( id->p_decoder->p_owner );
1553 if( id->p_encoder->p_module )
1554 module_Unneed( id->p_encoder, id->p_encoder->p_module );
1557 for( i = 0; i < id->i_filter; i++ )
1559 vlc_object_detach( id->pp_filter[i] );
1560 if( id->pp_filter[i]->p_module )
1561 module_Unneed( id->pp_filter[i], id->pp_filter[i]->p_module );
1563 /* Clean-up pictures ring buffer */
1564 for( j = 0; j < PICTURE_RING_SIZE; j++ )
1566 if( id->pp_filter[i]->p_owner->pp_pics[j] )
1567 video_del_buffer( VLC_OBJECT(id->pp_filter[i]),
1568 id->pp_filter[i]->p_owner->pp_pics[j] );
1570 free( id->pp_filter[i]->p_owner );
1572 vlc_object_destroy( id->pp_filter[i] );
1574 for( i = 0; i < id->i_vfilter; i++ )
1576 vlc_object_detach( id->pp_vfilter[i] );
1577 if( id->pp_vfilter[i]->p_module )
1578 module_Unneed( id->pp_vfilter[i], id->pp_vfilter[i]->p_module );
1580 /* Clean-up pictures ring buffer */
1581 for( j = 0; j < PICTURE_RING_SIZE; j++ )
1583 if( id->pp_vfilter[i]->p_owner->pp_pics[j] )
1584 video_del_buffer( VLC_OBJECT(id->pp_vfilter[i]),
1585 id->pp_vfilter[i]->p_owner->pp_pics[j] );
1587 free( id->pp_vfilter[i]->p_owner );
1589 vlc_object_destroy( id->pp_vfilter[i] );
1593 static int transcode_video_process( sout_stream_t *p_stream,
1594 sout_stream_id_t *id,
1595 block_t *in, block_t **out )
1597 sout_stream_sys_t *p_sys = p_stream->p_sys;
1598 int i_duplicate = 1, i;
1602 while( (p_pic = id->p_decoder->pf_decode_video( id->p_decoder, &in )) )
1604 subpicture_t *p_subpic = 0;
1606 if( p_stream->p_sout->i_out_pace_nocontrol && p_sys->b_hurry_up )
1608 mtime_t current_date = mdate();
1609 if( current_date + 50000 > p_pic->date )
1611 msg_Dbg( p_stream, "late picture skipped ("I64Fd")",
1612 current_date + 50000 - p_pic->date );
1613 p_pic->pf_release( p_pic );
1618 if( p_sys->b_master_sync )
1620 mtime_t i_video_drift;
1621 mtime_t i_master_drift = p_sys->i_master_drift;
1624 if( !i_master_drift )
1626 /* No audio track ? */
1627 p_sys->i_master_drift = i_master_drift = p_pic->date;
1630 i_pts = date_Get( &id->interpolated_pts ) + 1;
1631 i_video_drift = p_pic->date - i_pts;
1634 /* Set the pts of the frame being encoded */
1635 p_pic->date = i_pts;
1637 if( i_video_drift < i_master_drift - 50000 )
1640 msg_Dbg( p_stream, "dropping frame (%i)",
1641 (int)(i_video_drift - i_master_drift) );
1643 p_pic->pf_release( p_pic );
1646 else if( i_video_drift > i_master_drift + 50000 )
1649 msg_Dbg( p_stream, "adding frame (%i)",
1650 (int)(i_video_drift - i_master_drift) );
1656 if( !id->p_encoder->p_module )
1658 if( transcode_video_encoder_open( p_stream, id ) != VLC_SUCCESS )
1660 p_pic->pf_release( p_pic );
1661 transcode_video_close( p_stream, id );
1662 id->b_transcode = VLC_FALSE;
1663 return VLC_EGENERIC;
1667 if( p_stream->p_sys->b_deinterlace )
1669 id->pp_filter[id->i_filter] =
1670 vlc_object_create( p_stream, VLC_OBJECT_FILTER );
1671 vlc_object_attach( id->pp_filter[id->i_filter], p_stream );
1673 id->pp_filter[id->i_filter]->pf_vout_buffer_new =
1674 video_new_buffer_filter;
1675 id->pp_filter[id->i_filter]->pf_vout_buffer_del =
1676 video_del_buffer_filter;
1678 id->pp_filter[id->i_filter]->fmt_in = id->p_decoder->fmt_out;
1679 id->pp_filter[id->i_filter]->fmt_out = id->p_decoder->fmt_out;
1680 id->pp_filter[id->i_filter]->p_cfg = p_sys->p_deinterlace_cfg;
1681 id->pp_filter[id->i_filter]->p_module =
1682 module_Need( id->pp_filter[id->i_filter],
1683 "video filter2", p_sys->psz_deinterlace, 0 );
1684 if( id->pp_filter[id->i_filter]->p_module )
1686 id->pp_filter[id->i_filter]->p_owner =
1687 malloc( sizeof(filter_owner_sys_t) );
1688 for( i = 0; i < PICTURE_RING_SIZE; i++ )
1689 id->pp_filter[id->i_filter]->p_owner->pp_pics[i] = 0;
1690 id->pp_filter[id->i_filter]->p_owner->p_sys = p_sys;
1696 msg_Dbg( p_stream, "no video filter found" );
1697 vlc_object_detach( id->pp_filter[id->i_filter] );
1698 vlc_object_destroy( id->pp_filter[id->i_filter] );
1702 /* Check if we need a filter for chroma conversion or resizing */
1703 if( id->p_decoder->fmt_out.video.i_chroma !=
1704 id->p_encoder->fmt_in.video.i_chroma ||
1705 id->p_decoder->fmt_out.video.i_width !=
1706 id->p_encoder->fmt_out.video.i_width ||
1707 id->p_decoder->fmt_out.video.i_height !=
1708 id->p_encoder->fmt_out.video.i_height ||
1709 p_sys->i_crop_top > 0 || p_sys->i_crop_bottom > 0 ||
1710 p_sys->i_crop_left > 0 || p_sys->i_crop_right > 0 )
1712 id->pp_filter[id->i_filter] =
1713 vlc_object_create( p_stream, VLC_OBJECT_FILTER );
1714 vlc_object_attach( id->pp_filter[id->i_filter], p_stream );
1716 id->pp_filter[id->i_filter]->pf_vout_buffer_new =
1717 video_new_buffer_filter;
1718 id->pp_filter[id->i_filter]->pf_vout_buffer_del =
1719 video_del_buffer_filter;
1721 id->pp_filter[id->i_filter]->fmt_in = id->p_decoder->fmt_out;
1722 id->pp_filter[id->i_filter]->fmt_out = id->p_encoder->fmt_in;
1723 id->pp_filter[id->i_filter]->p_cfg = NULL;
1724 id->pp_filter[id->i_filter]->p_module =
1725 module_Need( id->pp_filter[id->i_filter],
1726 "video filter2", 0, 0 );
1727 if( id->pp_filter[id->i_filter]->p_module )
1729 id->pp_filter[id->i_filter]->p_owner =
1730 malloc( sizeof(filter_owner_sys_t) );
1731 for( i = 0; i < PICTURE_RING_SIZE; i++ )
1732 id->pp_filter[id->i_filter]->p_owner->pp_pics[i] = 0;
1733 id->pp_filter[id->i_filter]->p_owner->p_sys = p_sys;
1739 msg_Dbg( p_stream, "no video filter found" );
1740 vlc_object_detach( id->pp_filter[id->i_filter] );
1741 vlc_object_destroy( id->pp_filter[id->i_filter] );
1743 p_pic->pf_release( p_pic );
1744 transcode_video_close( p_stream, id );
1745 id->b_transcode = VLC_FALSE;
1746 return VLC_EGENERIC;
1750 for( i = 0; i < p_sys->i_vfilters; i++ )
1752 id->pp_vfilter[id->i_vfilter] =
1753 vlc_object_create( p_stream, VLC_OBJECT_FILTER );
1754 vlc_object_attach( id->pp_vfilter[id->i_vfilter], p_stream );
1756 id->pp_vfilter[id->i_vfilter]->pf_vout_buffer_new =
1757 video_new_buffer_filter;
1758 id->pp_vfilter[id->i_vfilter]->pf_vout_buffer_del =
1759 video_del_buffer_filter;
1761 id->pp_vfilter[id->i_vfilter]->fmt_in = id->p_encoder->fmt_in;
1762 id->pp_vfilter[id->i_vfilter]->fmt_out = id->p_encoder->fmt_in;
1763 id->pp_vfilter[id->i_vfilter]->p_cfg = p_sys->p_vfilters_cfg[i];
1764 id->pp_vfilter[id->i_vfilter]->p_module =
1765 module_Need( id->pp_vfilter[id->i_vfilter],
1766 "video filter2", p_sys->psz_vfilters[i], 0 );
1767 if( id->pp_vfilter[id->i_vfilter]->p_module )
1769 id->pp_vfilter[id->i_vfilter]->p_owner =
1770 malloc( sizeof(filter_owner_sys_t) );
1771 for( i = 0; i < PICTURE_RING_SIZE; i++ )
1772 id->pp_vfilter[id->i_vfilter]->p_owner->pp_pics[i] = 0;
1773 id->pp_vfilter[id->i_vfilter]->p_owner->p_sys = p_sys;
1779 msg_Dbg( p_stream, "no video filter found" );
1780 vlc_object_detach( id->pp_vfilter[id->i_vfilter] );
1781 vlc_object_destroy( id->pp_vfilter[id->i_vfilter] );
1786 /* Run filter chain */
1787 for( i = 0; i < id->i_filter; i++ )
1789 p_pic = id->pp_filter[i]->pf_video_filter(id->pp_filter[i], p_pic);
1796 /* Check if we have a subpicture to overlay */
1799 p_subpic = spu_SortSubpictures( p_sys->p_spu, p_pic->date );
1800 /* TODO: get another pic */
1803 /* Overlay subpicture */
1806 int i_scale_width, i_scale_height;
1807 video_format_t *p_fmt;
1809 i_scale_width = id->p_encoder->fmt_in.video.i_width * 1000 /
1810 id->p_decoder->fmt_out.video.i_width;
1811 i_scale_height = id->p_encoder->fmt_in.video.i_height * 1000 /
1812 id->p_decoder->fmt_out.video.i_height;
1814 if( p_pic->i_refcount && !id->i_filter )
1816 /* We can't modify the picture, we need to duplicate it */
1817 picture_t *p_tmp = video_new_buffer_decoder( id->p_decoder );
1820 vout_CopyPicture( p_stream, p_tmp, p_pic );
1821 p_pic->pf_release( p_pic );
1827 p_fmt = &id->pp_filter[id->i_filter -1]->fmt_out.video;
1829 p_fmt = &id->p_decoder->fmt_out.video;
1831 /* FIXME (shouldn't have to be done here) */
1832 p_fmt->i_sar_num = p_fmt->i_aspect *
1833 p_fmt->i_height / p_fmt->i_width;
1834 p_fmt->i_sar_den = VOUT_ASPECT_FACTOR;
1836 spu_RenderSubpictures( p_sys->p_spu, p_fmt, p_pic, p_pic, p_subpic,
1837 i_scale_width, i_scale_height );
1840 /* Run vfilter chain */
1841 for( i = 0; i < id->i_vfilter; i++ )
1843 p_pic = id->pp_vfilter[i]->pf_video_filter(id->pp_vfilter[i], p_pic);
1846 if( p_sys->i_threads >= 1 )
1848 vlc_mutex_lock( &p_sys->lock_out );
1849 p_sys->pp_pics[p_sys->i_last_pic++] = p_pic;
1850 p_sys->i_last_pic %= PICTURE_RING_SIZE;
1851 *out = p_sys->p_buffers;
1852 p_sys->p_buffers = NULL;
1853 vlc_cond_signal( &p_sys->cond );
1854 vlc_mutex_unlock( &p_sys->lock_out );
1859 p_block = id->p_encoder->pf_encode_video( id->p_encoder, p_pic );
1860 block_ChainAppend( out, p_block );
1862 if( p_sys->b_master_sync )
1863 date_Increment( &id->interpolated_pts, 1 );
1865 if( p_sys->b_master_sync && i_duplicate > 1 )
1867 mtime_t i_pts = date_Get( &id->interpolated_pts ) + 1;
1868 date_Increment( &id->interpolated_pts, 1 );
1869 p_pic->date = i_pts;
1870 p_block = id->p_encoder->pf_encode_video(id->p_encoder, p_pic);
1871 block_ChainAppend( out, p_block );
1874 p_pic->pf_release( p_pic );
1881 static int EncoderThread( sout_stream_sys_t *p_sys )
1883 sout_stream_id_t *id = p_sys->id_video;
1886 while( !p_sys->b_die && !p_sys->b_error )
1890 vlc_mutex_lock( &p_sys->lock_out );
1891 while( p_sys->i_last_pic == p_sys->i_first_pic )
1893 vlc_cond_wait( &p_sys->cond, &p_sys->lock_out );
1894 if( p_sys->b_die || p_sys->b_error ) break;
1896 if( p_sys->b_die || p_sys->b_error )
1898 vlc_mutex_unlock( &p_sys->lock_out );
1902 p_pic = p_sys->pp_pics[p_sys->i_first_pic++];
1903 p_sys->i_first_pic %= PICTURE_RING_SIZE;
1904 vlc_mutex_unlock( &p_sys->lock_out );
1906 p_block = id->p_encoder->pf_encode_video( id->p_encoder, p_pic );
1907 vlc_mutex_lock( &p_sys->lock_out );
1908 block_ChainAppend( &p_sys->p_buffers, p_block );
1910 if( p_sys->b_master_sync )
1911 date_Increment( &id->interpolated_pts, 1 );
1914 if( p_sys->b_master_sync && i_duplicate > 1 )
1916 mtime_t i_pts = date_Get( &id->interpolated_pts ) + 1;
1917 date_Increment( &id->interpolated_pts, 1 );
1918 p_pic->date = i_pts;
1919 p_block = id->p_encoder->pf_encode_video(id->p_encoder, p_pic);
1920 block_ChainAppend( &p_sys->p_buffers, p_block );
1923 vlc_mutex_unlock( &p_sys->lock_out );
1925 p_pic->pf_release( p_pic );
1928 while( p_sys->i_last_pic != p_sys->i_first_pic )
1930 p_pic = p_sys->pp_pics[p_sys->i_first_pic++];
1931 p_sys->i_first_pic %= PICTURE_RING_SIZE;
1933 p_pic->pf_release( p_pic );
1936 block_ChainRelease( p_sys->p_buffers );
1941 struct picture_sys_t
1943 vlc_object_t *p_owner;
1946 static void video_release_buffer( picture_t *p_pic )
1948 if( p_pic && !p_pic->i_refcount && p_pic->pf_release && p_pic->p_sys )
1950 video_del_buffer_decoder( (decoder_t *)p_pic->p_sys->p_owner, p_pic );
1952 else if( p_pic && p_pic->i_refcount > 0 ) p_pic->i_refcount--;
1955 static picture_t *video_new_buffer( vlc_object_t *p_this, picture_t **pp_ring,
1956 sout_stream_sys_t *p_sys )
1958 decoder_t *p_dec = (decoder_t *)p_this;
1962 /* Find an empty space in the picture ring buffer */
1963 for( i = 0; i < PICTURE_RING_SIZE; i++ )
1965 if( pp_ring[i] != 0 && pp_ring[i]->i_status == DESTROYED_PICTURE )
1967 pp_ring[i]->i_status = RESERVED_PICTURE;
1971 for( i = 0; i < PICTURE_RING_SIZE; i++ )
1973 if( pp_ring[i] == 0 ) break;
1976 if( i == PICTURE_RING_SIZE && p_sys->i_threads >= 1 )
1978 int i_first_pic = p_sys->i_first_pic;
1980 if( p_sys->i_first_pic != p_sys->i_last_pic )
1982 /* Encoder still has stuff to encode, wait to clear-up the list */
1983 while( p_sys->i_first_pic == i_first_pic )
1987 /* Find an empty space in the picture ring buffer */
1988 for( i = 0; i < PICTURE_RING_SIZE; i++ )
1990 if( pp_ring[i] != 0 && pp_ring[i]->i_status == DESTROYED_PICTURE )
1992 pp_ring[i]->i_status = RESERVED_PICTURE;
1996 for( i = 0; i < PICTURE_RING_SIZE; i++ )
1998 if( pp_ring[i] == 0 ) break;
2002 if( i == PICTURE_RING_SIZE )
2004 msg_Err( p_this, "decoder/filter is leaking pictures, "
2005 "resetting its ring buffer" );
2007 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2009 pp_ring[i]->pf_release( pp_ring[i] );
2015 p_pic = malloc( sizeof(picture_t) );
2016 p_dec->fmt_out.video.i_chroma = p_dec->fmt_out.i_codec;
2017 vout_AllocatePicture( VLC_OBJECT(p_dec), p_pic,
2018 p_dec->fmt_out.video.i_chroma,
2019 p_dec->fmt_out.video.i_width,
2020 p_dec->fmt_out.video.i_height,
2021 p_dec->fmt_out.video.i_aspect );
2023 if( !p_pic->i_planes )
2029 p_pic->pf_release = video_release_buffer;
2030 p_pic->p_sys = malloc( sizeof(picture_sys_t) );
2031 p_pic->p_sys->p_owner = p_this;
2032 p_pic->i_status = RESERVED_PICTURE;
2039 static picture_t *video_new_buffer_decoder( decoder_t *p_dec )
2041 return video_new_buffer( VLC_OBJECT(p_dec),
2042 p_dec->p_owner->pp_pics, p_dec->p_owner->p_sys );
2045 static picture_t *video_new_buffer_filter( filter_t *p_filter )
2047 return video_new_buffer( VLC_OBJECT(p_filter),
2048 p_filter->p_owner->pp_pics,
2049 p_filter->p_owner->p_sys );
2052 static void video_del_buffer( vlc_object_t *p_this, picture_t *p_pic )
2054 if( p_pic && p_pic->p_data_orig ) free( p_pic->p_data_orig );
2055 if( p_pic && p_pic->p_sys ) free( p_pic->p_sys );
2056 if( p_pic ) free( p_pic );
2059 static void video_del_buffer_decoder( decoder_t *p_decoder, picture_t *p_pic )
2061 p_pic->i_refcount = 0;
2062 p_pic->i_status = DESTROYED_PICTURE;
2065 static void video_del_buffer_filter( filter_t *p_filter, picture_t *p_pic )
2067 p_pic->i_refcount = 0;
2068 p_pic->i_status = DESTROYED_PICTURE;
2071 static void video_link_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
2073 p_pic->i_refcount++;
2076 static void video_unlink_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
2078 video_release_buffer( p_pic );
2084 static subpicture_t *spu_new_buffer( decoder_t * );
2085 static void spu_del_buffer( decoder_t *, subpicture_t * );
2087 static int transcode_spu_new( sout_stream_t *p_stream, sout_stream_id_t *id )
2089 sout_stream_sys_t *p_sys = p_stream->p_sys;
2095 /* Initialization of decoder structures */
2096 id->p_decoder->pf_spu_buffer_new = spu_new_buffer;
2097 id->p_decoder->pf_spu_buffer_del = spu_del_buffer;
2098 id->p_decoder->p_owner = (decoder_owner_sys_t *)p_stream;
2099 //id->p_decoder->p_cfg = p_sys->p_spu_cfg;
2101 id->p_decoder->p_module =
2102 module_Need( id->p_decoder, "decoder", "$codec", 0 );
2104 if( !id->p_decoder->p_module )
2106 msg_Err( p_stream, "cannot find decoder" );
2107 return VLC_EGENERIC;
2110 if( !p_sys->b_soverlay )
2116 /* Initialization of encoder format structures */
2117 es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
2118 id->p_decoder->fmt_in.i_codec );
2120 id->p_encoder->p_cfg = p_sys->p_spu_cfg;
2122 id->p_encoder->p_module =
2123 module_Need( id->p_encoder, "encoder", p_sys->psz_senc, VLC_TRUE );
2125 if( !id->p_encoder->p_module )
2127 module_Unneed( id->p_decoder, id->p_decoder->p_module );
2128 msg_Err( p_stream, "cannot find encoder" );
2129 return VLC_EGENERIC;
2135 p_sys->p_spu = spu_Create( p_stream );
2136 spu_Init( p_sys->p_spu );
2142 static void transcode_spu_close( sout_stream_t *p_stream, sout_stream_id_t *id)
2145 if( id->p_decoder->p_module )
2146 module_Unneed( id->p_decoder, id->p_decoder->p_module );
2149 if( id->p_encoder->p_module )
2150 module_Unneed( id->p_encoder, id->p_encoder->p_module );
2153 static int transcode_spu_process( sout_stream_t *p_stream,
2154 sout_stream_id_t *id,
2155 block_t *in, block_t **out )
2157 sout_stream_sys_t *p_sys = p_stream->p_sys;
2158 subpicture_t *p_subpic;
2161 p_subpic = id->p_decoder->pf_decode_sub( id->p_decoder, &in );
2162 if( !p_subpic ) return VLC_EGENERIC;
2164 if( p_sys->b_master_sync && p_sys->i_master_drift )
2166 p_subpic->i_start -= p_sys->i_master_drift;
2167 if( p_subpic->i_stop ) p_subpic->i_stop -= p_sys->i_master_drift;
2170 if( p_sys->b_soverlay )
2172 spu_DisplaySubpicture( p_sys->p_spu, p_subpic );
2178 p_block = id->p_encoder->pf_encode_sub( id->p_encoder, p_subpic );
2179 spu_del_buffer( id->p_decoder, p_subpic );
2183 block_ChainAppend( out, p_block );
2188 return VLC_EGENERIC;
2191 static subpicture_t *spu_new_buffer( decoder_t *p_dec )
2193 sout_stream_t *p_stream = (sout_stream_t *)p_dec->p_owner;
2194 return spu_CreateSubpicture( p_stream->p_sys->p_spu );
2197 static void spu_del_buffer( decoder_t *p_dec, subpicture_t *p_subpic )
2199 sout_stream_t *p_stream = (sout_stream_t *)p_dec->p_owner;
2200 spu_DestroySubpicture( p_stream->p_sys->p_spu, p_subpic );