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 *****************************************************************************/
30 #include <vlc_input.h>
34 #include <vlc_codec.h>
35 #include <vlc_block.h>
36 #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 "This is the video encoder module that will be used (and its associated "\
50 #define VCODEC_TEXT N_("Destination video codec")
51 #define VCODEC_LONGTEXT N_( \
52 "This is the video codec that will be used.")
53 #define VB_TEXT N_("Video bitrate")
54 #define VB_LONGTEXT N_( \
55 "Target bitrate of the transcoded video stream." )
56 #define SCALE_TEXT N_("Video scaling")
57 #define SCALE_LONGTEXT N_( \
58 "Scale factor to apply to the video while transcoding (eg: 0.25)")
59 #define FPS_TEXT N_("Video frame-rate")
60 #define FPS_LONGTEXT N_( \
61 "Target output frame rate for the video stream." )
62 #define DEINTERLACE_TEXT N_("Deinterlace video")
63 #define DEINTERLACE_LONGTEXT N_( \
64 "Deinterlace the video before encoding." )
65 #define DEINTERLACE_MODULE_TEXT N_("Deinterlace module")
66 #define DEINTERLACE_MODULE_LONGTEXT N_( \
67 "Specify the deinterlace module to use." )
68 #define WIDTH_TEXT N_("Video width")
69 #define WIDTH_LONGTEXT N_( \
70 "Output video width." )
71 #define HEIGHT_TEXT N_("Video height")
72 #define HEIGHT_LONGTEXT N_( \
73 "Output video height." )
74 #define MAXWIDTH_TEXT N_("Maximum video width")
75 #define MAXWIDTH_LONGTEXT N_( \
76 "Maximum output video width." )
77 #define MAXHEIGHT_TEXT N_("Maximum video height")
78 #define MAXHEIGHT_LONGTEXT N_( \
79 "Maximum output video height." )
80 #define VFILTER_TEXT N_("Video filter")
81 #define VFILTER_LONGTEXT N_( \
82 "Video filters will be applied to the video streams (after overlays " \
83 "are applied). You must enter a comma-separated list of filters." )
85 #define CROPTOP_TEXT N_("Video crop (top)")
86 #define CROPTOP_LONGTEXT N_( \
87 "Number of pixels to crop at the top of the video." )
88 #define CROPLEFT_TEXT N_("Video crop (left)")
89 #define CROPLEFT_LONGTEXT N_( \
90 "Number of pixels to crop at the left of the video." )
91 #define CROPBOTTOM_TEXT N_("Video crop (bottom)")
92 #define CROPBOTTOM_LONGTEXT N_( \
93 "Number of pixels to crop at the bottom of the video." )
94 #define CROPRIGHT_TEXT N_("Video crop (right)")
95 #define CROPRIGHT_LONGTEXT N_( \
96 "Number of pixels to crop at the right of the video." )
98 #define PADDTOP_TEXT N_("Video padding (top)")
99 #define PADDTOP_LONGTEXT N_( \
100 "Size of the black border to add at the top of the video." )
101 #define PADDLEFT_TEXT N_("Video padding (left)")
102 #define PADDLEFT_LONGTEXT N_( \
103 "Size of the black border to add at the left of the video." )
104 #define PADDBOTTOM_TEXT N_("Video padding (bottom)")
105 #define PADDBOTTOM_LONGTEXT N_( \
106 "Size of the black border to add at the bottom of the video." )
107 #define PADDRIGHT_TEXT N_("Video padding (right)")
108 #define PADDRIGHT_LONGTEXT N_( \
109 "Size of the black border to add at the right of the video." )
111 #define CANVAS_WIDTH_TEXT N_("Video canvas width")
112 #define CANVAS_WIDTH_LONGTEXT N_( \
113 "This will automatically crod and pad the video to a specified width." )
114 #define CANVAS_HEIGHT_TEXT N_("Video canvas height")
115 #define CANVAS_HEIGHT_LONGTEXT N_( \
116 "This will automatically crod and pad the video to a specified height." )
117 #define CANVAS_ASPECT_TEXT N_("Video canvas aspect ratio")
118 #define CANVAS_ASPECT_LONGTEXT N_( \
119 "This sets aspect (like 4:3) of the video canvas and letterbox the video "\
122 #define AENC_TEXT N_("Audio encoder")
123 #define AENC_LONGTEXT N_( \
124 "This is the audio encoder module that will be used (and its associated "\
126 #define ACODEC_TEXT N_("Destination audio codec")
127 #define ACODEC_LONGTEXT N_( \
128 "This is the audio codec that will be used.")
129 #define AB_TEXT N_("Audio bitrate")
130 #define AB_LONGTEXT N_( \
131 "Target bitrate of the transcoded audio stream." )
132 #define ARATE_TEXT N_("Audio sample rate")
133 #define ARATE_LONGTEXT N_( \
134 "Sample rate of the transcoded audio stream (11250, 22500, 44100 or 48000).")
135 #define ACHANS_TEXT N_("Audio channels")
136 #define ACHANS_LONGTEXT N_( \
137 "Number of audio channels in the transcoded streams." )
138 #define AFILTER_TEXT N_("Audio filter")
139 #define AFILTER_LONGTEXT N_( \
140 "Audio filters will be applied to the audio streams (after conversion " \
141 "filters are applied). You must enter a comma-separated list of filters." )
143 #define SENC_TEXT N_("Subtitles encoder")
144 #define SENC_LONGTEXT N_( \
145 "This is the subtitles encoder module that will be used (and its " \
146 "associated options)." )
147 #define SCODEC_TEXT N_("Destination subtitles codec")
148 #define SCODEC_LONGTEXT N_( \
149 "This is the subtitles codec that will be used." )
151 #define SFILTER_TEXT N_("Overlays")
152 #define SFILTER_LONGTEXT N_( \
153 "This allows you to add overlays (also known as \"subpictures\" on the "\
154 "transcoded video stream. The subpictures produced by the filters will "\
155 "be overlayed directly onto the video. You must specify a comma-separated "\
156 "list of subpicture modules" )
158 #define OSD_TEXT N_("OSD menu")
159 #define OSD_LONGTEXT N_(\
160 "Stream the On Screen Display menu (using the osdmenu subpicture module)." )
162 #define THREADS_TEXT N_("Number of threads")
163 #define THREADS_LONGTEXT N_( \
164 "Number of threads used for the transcoding." )
165 #define HP_TEXT N_("High priority")
166 #define HP_LONGTEXT N_( \
167 "Runs the optional encoder thread at the OUTPUT priority instead of " \
170 #define ASYNC_TEXT N_("Synchronise on audio track")
171 #define ASYNC_LONGTEXT N_( \
172 "This option will drop/duplicate video frames to synchronise the video " \
173 "track on the audio track." )
175 #define HURRYUP_TEXT N_( "Hurry up" )
176 #define HURRYUP_LONGTEXT N_( "The transcoder will drop frames if your CPU " \
177 "can't keep up with the encoding rate." )
179 static const char *ppsz_deinterlace_type[] =
181 "deinterlace", "ffmpeg-deinterlace"
184 static int Open ( vlc_object_t * );
185 static void Close( vlc_object_t * );
187 #define SOUT_CFG_PREFIX "sout-transcode-"
190 set_shortname( _("Transcode"));
191 set_description( _("Transcode stream output") );
192 set_capability( "sout stream", 50 );
193 add_shortcut( "transcode" );
194 set_callbacks( Open, Close );
195 set_category( CAT_SOUT );
196 set_subcategory( SUBCAT_SOUT_STREAM );
197 set_section( N_("Video"), NULL );
198 add_string( SOUT_CFG_PREFIX "venc", NULL, NULL, VENC_TEXT,
199 VENC_LONGTEXT, VLC_FALSE );
200 add_string( SOUT_CFG_PREFIX "vcodec", NULL, NULL, VCODEC_TEXT,
201 VCODEC_LONGTEXT, VLC_FALSE );
202 add_integer( SOUT_CFG_PREFIX "vb", 800 * 1000, NULL, VB_TEXT,
203 VB_LONGTEXT, VLC_FALSE );
204 add_float( SOUT_CFG_PREFIX "scale", 1, NULL, SCALE_TEXT,
205 SCALE_LONGTEXT, VLC_FALSE );
206 add_float( SOUT_CFG_PREFIX "fps", 0, NULL, FPS_TEXT,
207 FPS_LONGTEXT, VLC_FALSE );
208 add_bool( SOUT_CFG_PREFIX "hurry-up", VLC_TRUE, NULL, HURRYUP_TEXT,
209 HURRYUP_LONGTEXT, VLC_FALSE );
210 add_bool( SOUT_CFG_PREFIX "deinterlace", 0, NULL, DEINTERLACE_TEXT,
211 DEINTERLACE_LONGTEXT, VLC_FALSE );
212 add_string( SOUT_CFG_PREFIX "deinterlace-module", "deinterlace", NULL,
213 DEINTERLACE_MODULE_TEXT, DEINTERLACE_MODULE_LONGTEXT,
215 change_string_list( ppsz_deinterlace_type, 0, 0 );
216 add_integer( SOUT_CFG_PREFIX "width", 0, NULL, WIDTH_TEXT,
217 WIDTH_LONGTEXT, VLC_TRUE );
218 add_integer( SOUT_CFG_PREFIX "height", 0, NULL, HEIGHT_TEXT,
219 HEIGHT_LONGTEXT, VLC_TRUE );
220 add_integer( SOUT_CFG_PREFIX "maxwidth", 0, NULL, MAXWIDTH_TEXT,
221 MAXWIDTH_LONGTEXT, VLC_TRUE );
222 add_integer( SOUT_CFG_PREFIX "maxheight", 0, NULL, MAXHEIGHT_TEXT,
223 MAXHEIGHT_LONGTEXT, VLC_TRUE );
224 add_module_list( SOUT_CFG_PREFIX "vfilter", "video filter2",
226 VFILTER_TEXT, VFILTER_LONGTEXT, VLC_FALSE );
228 add_integer( SOUT_CFG_PREFIX "croptop", 0, NULL, CROPTOP_TEXT,
229 CROPTOP_LONGTEXT, VLC_TRUE );
230 add_integer( SOUT_CFG_PREFIX "cropleft", 0, NULL, CROPLEFT_TEXT,
231 CROPLEFT_LONGTEXT, VLC_TRUE );
232 add_integer( SOUT_CFG_PREFIX "cropbottom", 0, NULL, CROPBOTTOM_TEXT,
233 CROPBOTTOM_LONGTEXT, VLC_TRUE );
234 add_integer( SOUT_CFG_PREFIX "cropright", 0, NULL, CROPRIGHT_TEXT,
235 CROPRIGHT_LONGTEXT, VLC_TRUE );
237 add_integer( SOUT_CFG_PREFIX "paddtop", 0, NULL, PADDTOP_TEXT,
238 PADDTOP_LONGTEXT, VLC_TRUE );
239 add_integer( SOUT_CFG_PREFIX "paddleft", 0, NULL, PADDLEFT_TEXT,
240 PADDLEFT_LONGTEXT, VLC_TRUE );
241 add_integer( SOUT_CFG_PREFIX "paddbottom", 0, NULL, PADDBOTTOM_TEXT,
242 PADDBOTTOM_LONGTEXT, VLC_TRUE );
243 add_integer( SOUT_CFG_PREFIX "paddright", 0, NULL, PADDRIGHT_TEXT,
244 PADDRIGHT_LONGTEXT, VLC_TRUE );
246 add_integer( SOUT_CFG_PREFIX "canvas-width", 0, NULL, CANVAS_WIDTH_TEXT,
247 CANVAS_WIDTH_LONGTEXT, VLC_TRUE );
248 add_integer( SOUT_CFG_PREFIX "canvas-height", 0, NULL, CANVAS_HEIGHT_TEXT,
249 CANVAS_HEIGHT_LONGTEXT, VLC_TRUE );
250 add_string( SOUT_CFG_PREFIX "canvas-aspect", NULL, NULL, CANVAS_ASPECT_TEXT,
251 CANVAS_ASPECT_LONGTEXT, VLC_FALSE );
253 set_section( N_("Audio"), NULL );
254 add_string( SOUT_CFG_PREFIX "aenc", NULL, NULL, AENC_TEXT,
255 AENC_LONGTEXT, VLC_FALSE );
256 add_string( SOUT_CFG_PREFIX "acodec", NULL, NULL, ACODEC_TEXT,
257 ACODEC_LONGTEXT, VLC_FALSE );
258 add_integer( SOUT_CFG_PREFIX "ab", 0, NULL, AB_TEXT,
259 AB_LONGTEXT, VLC_FALSE );
260 add_integer( SOUT_CFG_PREFIX "channels", 0, NULL, ACHANS_TEXT,
261 ACHANS_LONGTEXT, VLC_FALSE );
262 add_integer( SOUT_CFG_PREFIX "samplerate", 0, NULL, ARATE_TEXT,
263 ARATE_LONGTEXT, VLC_TRUE );
264 add_bool( SOUT_CFG_PREFIX "audio-sync", 0, NULL, ASYNC_TEXT,
265 ASYNC_LONGTEXT, VLC_FALSE );
266 add_module_list_cat( SOUT_CFG_PREFIX "afilter", SUBCAT_AUDIO_MISC,
268 AFILTER_TEXT, AFILTER_LONGTEXT, VLC_FALSE );
270 set_section( N_("Overlays/Subtitles"), NULL );
271 add_string( SOUT_CFG_PREFIX "senc", NULL, NULL, SENC_TEXT,
272 SENC_LONGTEXT, VLC_FALSE );
273 add_string( SOUT_CFG_PREFIX "scodec", NULL, NULL, SCODEC_TEXT,
274 SCODEC_LONGTEXT, VLC_FALSE );
275 add_bool( SOUT_CFG_PREFIX "soverlay", 0, NULL, SCODEC_TEXT,
276 SCODEC_LONGTEXT, VLC_FALSE );
277 add_module_list_cat( SOUT_CFG_PREFIX "sfilter", SUBCAT_VIDEO_SUBPIC,
279 SFILTER_TEXT, SFILTER_LONGTEXT, VLC_FALSE );
281 set_section( N_("On Screen Display"), NULL );
282 add_bool( SOUT_CFG_PREFIX "osd", 0, NULL, OSD_TEXT,
283 OSD_LONGTEXT, VLC_FALSE );
285 set_section( N_("Miscellaneous"), NULL );
286 add_integer( SOUT_CFG_PREFIX "threads", 0, NULL, THREADS_TEXT,
287 THREADS_LONGTEXT, VLC_TRUE );
288 add_bool( SOUT_CFG_PREFIX "high-priority", 0, NULL, HP_TEXT, HP_LONGTEXT,
293 static const char *ppsz_sout_options[] = {
294 "venc", "vcodec", "vb", "croptop", "cropbottom", "cropleft", "cropright",
295 "paddtop", "paddbottom", "paddleft", "paddright",
296 "canvas-width", "canvas-height", "canvas-aspect",
297 "scale", "fps", "width", "height", "vfilter", "deinterlace",
298 "deinterlace-module", "threads", "hurry-up", "aenc", "acodec", "ab",
299 "afilter", "samplerate", "channels", "senc", "scodec", "soverlay",
300 "sfilter", "osd", "audio-sync", "high-priority", "maxwidth", "maxheight",
304 /*****************************************************************************
305 * Exported prototypes
306 *****************************************************************************/
307 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
308 static int Del ( sout_stream_t *, sout_stream_id_t * );
309 static int Send( sout_stream_t *, sout_stream_id_t *, block_t* );
311 static int transcode_audio_new ( sout_stream_t *, sout_stream_id_t * );
312 static void transcode_audio_close ( sout_stream_t *, sout_stream_id_t * );
313 static int transcode_audio_process( sout_stream_t *, sout_stream_id_t *,
314 block_t *, block_t ** );
316 static aout_buffer_t *audio_new_buffer( decoder_t *, int );
317 static void audio_del_buffer( decoder_t *, aout_buffer_t * );
319 static int transcode_video_new ( sout_stream_t *, sout_stream_id_t * );
320 static void transcode_video_close ( sout_stream_t *, sout_stream_id_t * );
321 static int transcode_video_encoder_open( sout_stream_t *, sout_stream_id_t *);
322 static int transcode_video_process( sout_stream_t *, sout_stream_id_t *,
323 block_t *, block_t ** );
325 static void video_del_buffer( vlc_object_t *, picture_t * );
326 static picture_t *video_new_buffer_decoder( decoder_t * );
327 static void video_del_buffer_decoder( decoder_t *, picture_t * );
328 static void video_link_picture_decoder( decoder_t *, picture_t * );
329 static void video_unlink_picture_decoder( decoder_t *, picture_t * );
330 static picture_t *video_new_buffer_filter( filter_t * );
331 static void video_del_buffer_filter( filter_t *, picture_t * );
333 static int transcode_spu_new ( sout_stream_t *, sout_stream_id_t * );
334 static void transcode_spu_close ( sout_stream_t *, sout_stream_id_t * );
335 static int transcode_spu_process( sout_stream_t *, sout_stream_id_t *,
336 block_t *, block_t ** );
338 static int transcode_osd_new ( sout_stream_t *, sout_stream_id_t * );
339 static void transcode_osd_close ( sout_stream_t *, sout_stream_id_t * );
340 static int transcode_osd_process( sout_stream_t *, sout_stream_id_t *,
341 block_t *, block_t ** );
343 static int EncoderThread( struct sout_stream_sys_t * p_sys );
345 static int pi_channels_maps[6] =
348 AOUT_CHAN_CENTER, AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
349 AOUT_CHAN_CENTER | AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
350 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT
351 | AOUT_CHAN_REARRIGHT,
352 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
353 | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT
356 #define PICTURE_RING_SIZE 64
357 #define SUBPICTURE_RING_SIZE 20
358 #define TRANSCODE_FILTERS 10
360 struct sout_stream_sys_t
364 sout_stream_t *p_out;
365 sout_stream_id_t *id_video;
367 vlc_mutex_t lock_out;
369 picture_t * pp_pics[PICTURE_RING_SIZE];
370 int i_first_pic, i_last_pic;
373 vlc_fourcc_t i_acodec; /* codec audio (0 if not transcode) */
375 config_chain_t *p_audio_cfg;
379 char *psz_afilters[TRANSCODE_FILTERS];
380 config_chain_t *p_afilters_cfg[TRANSCODE_FILTERS];
384 vlc_fourcc_t i_vcodec; /* codec video (0 if not transcode) */
386 config_chain_t *p_video_cfg;
390 unsigned int i_width, i_maxwidth;
391 unsigned int i_height, i_maxheight;
392 vlc_bool_t b_deinterlace;
393 char *psz_deinterlace;
394 config_chain_t *p_deinterlace_cfg;
396 vlc_bool_t b_high_priority;
397 vlc_bool_t b_hurry_up;
398 char *psz_vfilters[TRANSCODE_FILTERS];
399 config_chain_t *p_vfilters_cfg[TRANSCODE_FILTERS];
416 /* Video, calculated */
428 vlc_fourcc_t i_scodec; /* codec spu (0 if not transcode) */
430 vlc_bool_t b_soverlay;
431 config_chain_t *p_spu_cfg;
435 vlc_fourcc_t i_osdcodec; /* codec osd menu (0 if not transcode) */
437 config_chain_t *p_osd_cfg;
438 vlc_bool_t b_osd; /* VLC_TRUE when osd es is registered */
441 vlc_bool_t b_master_sync;
442 mtime_t i_master_drift;
445 struct decoder_owner_sys_t
447 picture_t *pp_pics[PICTURE_RING_SIZE];
448 sout_stream_sys_t *p_sys;
450 struct filter_owner_sys_t
452 picture_t *pp_pics[PICTURE_RING_SIZE];
453 sout_stream_sys_t *p_sys;
456 /*****************************************************************************
458 *****************************************************************************/
459 static int Open( vlc_object_t *p_this )
461 sout_stream_t *p_stream = (sout_stream_t*)p_this;
462 sout_stream_sys_t *p_sys;
465 p_sys = vlc_object_create( p_this, sizeof( sout_stream_sys_t ) );
467 p_sys->p_out = sout_StreamNew( p_stream->p_sout, p_stream->psz_next );
470 msg_Err( p_stream, "cannot create chain" );
471 vlc_object_destroy( p_sys );
475 p_sys->i_master_drift = 0;
477 config_ChainParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options,
480 /* Audio transcoding parameters */
481 var_Get( p_stream, SOUT_CFG_PREFIX "aenc", &val );
482 p_sys->psz_aenc = NULL;
483 p_sys->p_audio_cfg = NULL;
484 if( val.psz_string && *val.psz_string )
487 psz_next = config_ChainCreate( &p_sys->psz_aenc, &p_sys->p_audio_cfg,
489 if( psz_next ) free( psz_next );
491 if( val.psz_string ) free( val.psz_string );
493 var_Get( p_stream, SOUT_CFG_PREFIX "acodec", &val );
495 if( val.psz_string && *val.psz_string )
498 memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
499 p_sys->i_acodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
501 if( val.psz_string ) free( val.psz_string );
503 var_Get( p_stream, SOUT_CFG_PREFIX "ab", &val );
504 p_sys->i_abitrate = val.i_int;
505 if( p_sys->i_abitrate < 4000 ) p_sys->i_abitrate *= 1000;
507 var_Get( p_stream, SOUT_CFG_PREFIX "samplerate", &val );
508 p_sys->i_sample_rate = val.i_int;
510 var_Get( p_stream, SOUT_CFG_PREFIX "channels", &val );
511 p_sys->i_channels = val.i_int;
513 if( p_sys->i_acodec )
515 if( p_sys->i_acodec == VLC_FOURCC('m','p','3',0) &&
516 p_sys->i_channels > 2 )
518 msg_Warn( p_stream, "%d channels invalid for mp3, forcing to 2",
520 p_sys->i_channels = 2;
522 msg_Dbg( p_stream, "codec audio=%4.4s %dHz %d channels %dKb/s",
523 (char *)&p_sys->i_acodec, p_sys->i_sample_rate,
524 p_sys->i_channels, p_sys->i_abitrate / 1000 );
527 var_Get( p_stream, SOUT_CFG_PREFIX "afilter", &val );
528 p_sys->i_afilters = 0;
529 if( val.psz_string && *val.psz_string )
531 char *psz_parser = val.psz_string;
533 while( (psz_parser != NULL) && (*psz_parser != '\0')
534 && (p_sys->i_afilters < TRANSCODE_FILTERS) )
536 psz_parser = config_ChainCreate(
537 &p_sys->psz_afilters[p_sys->i_afilters],
538 &p_sys->p_afilters_cfg[p_sys->i_afilters],
541 if( (psz_parser != NULL) && (*psz_parser != '\0') ) psz_parser++;
544 if( val.psz_string ) free( val.psz_string );
545 if( p_sys->i_afilters < TRANSCODE_FILTERS-1 )
547 p_sys->psz_afilters[p_sys->i_afilters] = NULL;
548 p_sys->p_afilters_cfg[p_sys->i_afilters] = NULL;
551 /* Video transcoding parameters */
552 var_Get( p_stream, SOUT_CFG_PREFIX "venc", &val );
553 p_sys->psz_venc = NULL;
554 p_sys->p_video_cfg = NULL;
555 if( val.psz_string && *val.psz_string )
558 psz_next = config_ChainCreate( &p_sys->psz_venc, &p_sys->p_video_cfg,
560 if( psz_next ) free( psz_next );
562 if( val.psz_string ) free( val.psz_string );
564 var_Get( p_stream, SOUT_CFG_PREFIX "vcodec", &val );
566 if( val.psz_string && *val.psz_string )
569 memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
570 p_sys->i_vcodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
572 if( val.psz_string ) free( val.psz_string );
574 var_Get( p_stream, SOUT_CFG_PREFIX "vb", &val );
575 p_sys->i_vbitrate = val.i_int;
576 if( p_sys->i_vbitrate < 16000 ) p_sys->i_vbitrate *= 1000;
578 var_Get( p_stream, SOUT_CFG_PREFIX "scale", &val );
579 p_sys->f_scale = val.f_float;
581 var_Get( p_stream, SOUT_CFG_PREFIX "fps", &val );
582 p_sys->f_fps = val.f_float;
584 var_Get( p_stream, SOUT_CFG_PREFIX "hurry-up", &val );
585 p_sys->b_hurry_up = val.b_bool;
587 var_Get( p_stream, SOUT_CFG_PREFIX "width", &val );
588 p_sys->i_width = val.i_int;
590 var_Get( p_stream, SOUT_CFG_PREFIX "height", &val );
591 p_sys->i_height = val.i_int;
593 var_Get( p_stream, SOUT_CFG_PREFIX "maxwidth", &val );
594 p_sys->i_maxwidth = val.i_int;
596 var_Get( p_stream, SOUT_CFG_PREFIX "maxheight", &val );
597 p_sys->i_maxheight = val.i_int;
599 var_Get( p_stream, SOUT_CFG_PREFIX "vfilter", &val );
600 p_sys->i_vfilters = 0;
601 if( val.psz_string && *val.psz_string )
603 char *psz_parser = val.psz_string;
605 while( (psz_parser != NULL) && (*psz_parser != '\0')
606 && (p_sys->i_vfilters < TRANSCODE_FILTERS) )
608 psz_parser = config_ChainCreate(
609 &p_sys->psz_vfilters[p_sys->i_vfilters],
610 &p_sys->p_vfilters_cfg[p_sys->i_vfilters],
613 if( psz_parser != NULL && *psz_parser != '\0' ) psz_parser++;
616 if( val.psz_string ) free( val.psz_string );
617 if( p_sys->i_vfilters < TRANSCODE_FILTERS-1 )
619 p_sys->psz_vfilters[p_sys->i_vfilters] = NULL;
620 p_sys->p_vfilters_cfg[p_sys->i_vfilters] = NULL;
623 var_Get( p_stream, SOUT_CFG_PREFIX "deinterlace", &val );
624 p_sys->b_deinterlace = val.b_bool;
626 var_Get( p_stream, SOUT_CFG_PREFIX "deinterlace-module", &val );
627 p_sys->psz_deinterlace = NULL;
628 p_sys->p_deinterlace_cfg = NULL;
629 if( val.psz_string && *val.psz_string )
632 psz_next = config_ChainCreate( &p_sys->psz_deinterlace,
633 &p_sys->p_deinterlace_cfg,
635 if( psz_next ) free( psz_next );
637 if( val.psz_string ) free( val.psz_string );
639 var_Get( p_stream, SOUT_CFG_PREFIX "croptop", &val );
640 p_sys->i_crop_top = val.i_int;
641 var_Get( p_stream, SOUT_CFG_PREFIX "cropbottom", &val );
642 p_sys->i_crop_bottom = val.i_int;
643 var_Get( p_stream, SOUT_CFG_PREFIX "cropleft", &val );
644 p_sys->i_crop_left = val.i_int;
645 var_Get( p_stream, SOUT_CFG_PREFIX "cropright", &val );
646 p_sys->i_crop_right = val.i_int;
648 var_Get( p_stream, SOUT_CFG_PREFIX "paddtop", &val );
649 p_sys->i_padd_top = val.i_int;
650 var_Get( p_stream, SOUT_CFG_PREFIX "paddbottom", &val );
651 p_sys->i_padd_bottom = val.i_int;
652 var_Get( p_stream, SOUT_CFG_PREFIX "paddleft", &val );
653 p_sys->i_padd_left = val.i_int;
654 var_Get( p_stream, SOUT_CFG_PREFIX "paddright", &val );
655 p_sys->i_padd_right = val.i_int;
657 var_Get( p_stream, SOUT_CFG_PREFIX "canvas-width", &val );
658 p_sys->i_canvas_width = val.i_int;
659 var_Get( p_stream, SOUT_CFG_PREFIX "canvas-height", &val );
660 p_sys->i_canvas_height = val.i_int;
662 var_Get( p_stream, SOUT_CFG_PREFIX "canvas-aspect", &val );
663 p_sys->i_canvas_aspect = 0;
664 if( val.psz_string && *val.psz_string )
666 char *psz_parser = strchr( val.psz_string, ':' );
669 *psz_parser++ = '\0';
670 p_sys->i_canvas_aspect = atoi( val.psz_string ) *
671 VOUT_ASPECT_FACTOR / atoi( psz_parser );
673 else msg_Warn( p_stream, "bad aspect ratio %s", val.psz_string );
676 if( val.psz_string ) free( val.psz_string );
678 var_Get( p_stream, SOUT_CFG_PREFIX "threads", &val );
679 p_sys->i_threads = val.i_int;
680 var_Get( p_stream, SOUT_CFG_PREFIX "high-priority", &val );
681 p_sys->b_high_priority = val.b_bool;
683 if( p_sys->i_vcodec )
685 msg_Dbg( p_stream, "codec video=%4.4s %dx%d scaling: %f %dkb/s",
686 (char *)&p_sys->i_vcodec, p_sys->i_width, p_sys->i_height,
687 p_sys->f_scale, p_sys->i_vbitrate / 1000 );
690 /* Subpictures transcoding parameters */
692 p_sys->psz_senc = NULL;
693 p_sys->p_spu_cfg = NULL;
696 var_Get( p_stream, SOUT_CFG_PREFIX "senc", &val );
697 if( val.psz_string && *val.psz_string )
700 psz_next = config_ChainCreate( &p_sys->psz_senc, &p_sys->p_spu_cfg,
702 if( psz_next ) free( psz_next );
704 if( val.psz_string ) free( val.psz_string );
706 var_Get( p_stream, SOUT_CFG_PREFIX "scodec", &val );
707 if( val.psz_string && *val.psz_string )
710 memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
711 p_sys->i_scodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
713 if( val.psz_string ) free( val.psz_string );
715 if( p_sys->i_scodec )
717 msg_Dbg( p_stream, "codec spu=%4.4s", (char *)&p_sys->i_scodec );
720 var_Get( p_stream, SOUT_CFG_PREFIX "soverlay", &val );
721 p_sys->b_soverlay = val.b_bool;
723 var_Get( p_stream, SOUT_CFG_PREFIX "sfilter", &val );
724 if( val.psz_string && *val.psz_string )
726 p_sys->p_spu = spu_Create( p_stream );
727 var_Create( p_sys->p_spu, "sub-filter", VLC_VAR_STRING );
728 var_Set( p_sys->p_spu, "sub-filter", val );
729 spu_Init( p_sys->p_spu );
731 if( val.psz_string ) free( val.psz_string );
733 /* OSD menu transcoding parameters */
734 p_sys->psz_osdenc = NULL;
735 p_sys->p_osd_cfg = NULL;
736 p_sys->i_osdcodec = 0;
737 p_sys->b_osd = VLC_FALSE;
739 var_Get( p_stream, SOUT_CFG_PREFIX "osd", &val );
745 psz_next = config_ChainCreate( &p_sys->psz_osdenc,
746 &p_sys->p_osd_cfg, strdup( "dvbsub") );
747 if( psz_next ) free( psz_next );
749 p_sys->i_osdcodec = VLC_FOURCC('Y','U','V','P' );
751 msg_Dbg( p_stream, "codec osd=%4.4s", (char *)&p_sys->i_osdcodec );
755 osd_val.psz_string = strdup("osdmenu");
756 p_sys->p_spu = spu_Create( p_stream );
757 var_Create( p_sys->p_spu, "sub-filter", VLC_VAR_STRING );
758 var_Set( p_sys->p_spu, "sub-filter", osd_val );
759 spu_Init( p_sys->p_spu );
760 if( osd_val.psz_string ) free( osd_val.psz_string );
764 osd_val.psz_string = strdup("osdmenu");
765 var_Set( p_sys->p_spu, "sub-filter", osd_val );
766 if( osd_val.psz_string ) free( osd_val.psz_string );
771 var_Get( p_stream, SOUT_CFG_PREFIX "audio-sync", &val );
772 p_sys->b_master_sync = val.b_bool;
773 if( p_sys->f_fps > 0 ) p_sys->b_master_sync = VLC_TRUE;
775 p_stream->pf_add = Add;
776 p_stream->pf_del = Del;
777 p_stream->pf_send = Send;
778 p_stream->p_sys = p_sys;
783 /*****************************************************************************
785 *****************************************************************************/
786 static void Close( vlc_object_t * p_this )
788 sout_stream_t *p_stream = (sout_stream_t*)p_this;
789 sout_stream_sys_t *p_sys = p_stream->p_sys;
791 sout_StreamDelete( p_sys->p_out );
793 while( p_sys->i_afilters )
796 if( p_sys->psz_afilters[p_sys->i_afilters] )
797 free( p_sys->psz_afilters[p_sys->i_afilters] );
798 if( p_sys->p_afilters_cfg[p_sys->i_afilters] )
799 free( p_sys->p_afilters_cfg[p_sys->i_afilters] );
802 while( p_sys->p_audio_cfg != NULL )
804 config_chain_t *p_next = p_sys->p_audio_cfg->p_next;
806 if( p_sys->p_audio_cfg->psz_name )
807 free( p_sys->p_audio_cfg->psz_name );
808 if( p_sys->p_audio_cfg->psz_value )
809 free( p_sys->p_audio_cfg->psz_value );
810 free( p_sys->p_audio_cfg );
812 p_sys->p_audio_cfg = p_next;
814 if( p_sys->psz_aenc ) free( p_sys->psz_aenc );
816 while( p_sys->i_vfilters )
819 if( p_sys->psz_vfilters[p_sys->i_vfilters] )
820 free( p_sys->psz_vfilters[p_sys->i_vfilters] );
821 if( p_sys->p_vfilters_cfg[p_sys->i_vfilters] )
822 free( p_sys->p_vfilters_cfg[p_sys->i_vfilters] );
825 while( p_sys->p_video_cfg != NULL )
827 config_chain_t *p_next = p_sys->p_video_cfg->p_next;
829 if( p_sys->p_video_cfg->psz_name )
830 free( p_sys->p_video_cfg->psz_name );
831 if( p_sys->p_video_cfg->psz_value )
832 free( p_sys->p_video_cfg->psz_value );
833 free( p_sys->p_video_cfg );
835 p_sys->p_video_cfg = p_next;
837 if( p_sys->psz_venc ) free( p_sys->psz_venc );
839 while( p_sys->p_deinterlace_cfg != NULL )
841 config_chain_t *p_next = p_sys->p_deinterlace_cfg->p_next;
843 if( p_sys->p_deinterlace_cfg->psz_name )
844 free( p_sys->p_deinterlace_cfg->psz_name );
845 if( p_sys->p_deinterlace_cfg->psz_value )
846 free( p_sys->p_deinterlace_cfg->psz_value );
847 free( p_sys->p_deinterlace_cfg );
849 p_sys->p_deinterlace_cfg = p_next;
851 if( p_sys->psz_deinterlace ) free( p_sys->psz_deinterlace );
853 while( p_sys->p_spu_cfg != NULL )
855 config_chain_t *p_next = p_sys->p_spu_cfg->p_next;
857 if( p_sys->p_spu_cfg->psz_name )
858 free( p_sys->p_spu_cfg->psz_name );
859 if( p_sys->p_spu_cfg->psz_value )
860 free( p_sys->p_spu_cfg->psz_value );
861 free( p_sys->p_spu_cfg );
863 p_sys->p_spu_cfg = p_next;
865 if( p_sys->psz_senc ) free( p_sys->psz_senc );
867 if( p_sys->p_spu ) spu_Destroy( p_sys->p_spu );
869 while( p_sys->p_osd_cfg != NULL )
871 config_chain_t *p_next = p_sys->p_osd_cfg->p_next;
873 if( p_sys->p_osd_cfg->psz_name )
874 free( p_sys->p_osd_cfg->psz_name );
875 if( p_sys->p_osd_cfg->psz_value )
876 free( p_sys->p_osd_cfg->psz_value );
877 free( p_sys->p_osd_cfg );
879 p_sys->p_osd_cfg = p_next;
881 if( p_sys->psz_osdenc ) free( p_sys->psz_osdenc );
883 vlc_object_destroy( p_sys );
886 struct sout_stream_id_t
888 vlc_fourcc_t b_transcode;
890 /* id of the out stream */
894 decoder_t *p_decoder;
897 filter_t *pp_filter[TRANSCODE_FILTERS];
899 /* User specified filters */
900 filter_t *pp_ufilter[TRANSCODE_FILTERS];
904 encoder_t *p_encoder;
907 date_t interpolated_pts;
910 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
912 sout_stream_sys_t *p_sys = p_stream->p_sys;
913 sout_stream_id_t *id;
915 id = malloc( sizeof( sout_stream_id_t ) );
918 msg_Err( p_stream, "out of memory" );
921 memset( id, 0, sizeof(sout_stream_id_t) );
924 id->p_decoder = NULL;
925 id->p_encoder = NULL;
927 /* Create decoder object */
928 id->p_decoder = vlc_object_create( p_stream, VLC_OBJECT_DECODER );
931 msg_Err( p_stream, "out of memory" );
934 vlc_object_attach( id->p_decoder, p_stream );
935 id->p_decoder->p_module = NULL;
936 id->p_decoder->fmt_in = *p_fmt;
937 id->p_decoder->b_pace_control = VLC_TRUE;
939 /* Create encoder object */
940 id->p_encoder = vlc_object_create( p_stream, VLC_OBJECT_ENCODER );
943 msg_Err( p_stream, "out of memory" );
946 vlc_object_attach( id->p_encoder, p_stream );
947 id->p_encoder->p_module = NULL;
949 /* Create destination format */
950 es_format_Init( &id->p_encoder->fmt_out, p_fmt->i_cat, 0 );
951 id->p_encoder->fmt_out.i_id = p_fmt->i_id;
952 id->p_encoder->fmt_out.i_group = p_fmt->i_group;
953 if( p_fmt->psz_language )
954 id->p_encoder->fmt_out.psz_language = strdup( p_fmt->psz_language );
956 if( p_fmt->i_cat == AUDIO_ES && (p_sys->i_acodec || p_sys->psz_aenc) )
959 "creating audio transcoding from fcc=`%4.4s' to fcc=`%4.4s'",
960 (char*)&p_fmt->i_codec, (char*)&p_sys->i_acodec );
962 /* Complete destination format */
963 id->p_encoder->fmt_out.i_codec = p_sys->i_acodec;
964 id->p_encoder->fmt_out.audio.i_rate = p_sys->i_sample_rate > 0 ?
965 p_sys->i_sample_rate : (int)p_fmt->audio.i_rate;
966 id->p_encoder->fmt_out.i_bitrate = p_sys->i_abitrate;
967 id->p_encoder->fmt_out.audio.i_bitspersample =
968 p_fmt->audio.i_bitspersample;
969 id->p_encoder->fmt_out.audio.i_channels = p_sys->i_channels > 0 ?
970 p_sys->i_channels : p_fmt->audio.i_channels;
971 /* Sanity check for audio channels */
972 id->p_encoder->fmt_out.audio.i_channels =
973 __MIN( id->p_encoder->fmt_out.audio.i_channels,
974 id->p_decoder->fmt_in.audio.i_channels );
975 id->p_encoder->fmt_out.audio.i_original_channels =
976 id->p_decoder->fmt_in.audio.i_physical_channels;
977 if( id->p_decoder->fmt_in.audio.i_channels ==
978 id->p_encoder->fmt_out.audio.i_channels )
980 id->p_encoder->fmt_out.audio.i_physical_channels =
981 id->p_decoder->fmt_in.audio.i_physical_channels;
985 id->p_encoder->fmt_out.audio.i_physical_channels =
986 pi_channels_maps[id->p_encoder->fmt_out.audio.i_channels];
989 /* Build decoder -> filter -> encoder chain */
990 if( transcode_audio_new( p_stream, id ) )
992 msg_Err( p_stream, "cannot create audio chain" );
996 /* Open output stream */
997 id->id = p_sys->p_out->pf_add( p_sys->p_out, &id->p_encoder->fmt_out );
998 id->b_transcode = VLC_TRUE;
1002 transcode_audio_close( p_stream, id );
1006 date_Init( &id->interpolated_pts, p_fmt->audio.i_rate, 1 );
1008 else if( p_fmt->i_cat == VIDEO_ES &&
1009 (p_sys->i_vcodec != 0 || p_sys->psz_venc) )
1012 "creating video transcoding from fcc=`%4.4s' to fcc=`%4.4s'",
1013 (char*)&p_fmt->i_codec, (char*)&p_sys->i_vcodec );
1015 /* Complete destination format */
1016 id->p_encoder->fmt_out.i_codec = p_sys->i_vcodec;
1017 id->p_encoder->fmt_out.video.i_width = p_sys->i_width & ~1;
1018 id->p_encoder->fmt_out.video.i_height = p_sys->i_height & ~1;
1019 id->p_encoder->fmt_out.i_bitrate = p_sys->i_vbitrate;
1021 /* Build decoder -> filter -> encoder chain */
1022 if( transcode_video_new( p_stream, id ) )
1024 msg_Err( p_stream, "cannot create video chain" );
1028 /* Stream will be added later on because we don't know
1029 * all the characteristics of the decoded stream yet */
1030 id->b_transcode = VLC_TRUE;
1032 if( p_sys->f_fps > 0 )
1034 id->p_encoder->fmt_out.video.i_frame_rate =
1035 (p_sys->f_fps * 1001) + 0.5;
1036 id->p_encoder->fmt_out.video.i_frame_rate_base = 1001;
1039 else if( ( p_fmt->i_cat == SPU_ES ) &&
1040 ( p_sys->i_scodec || p_sys->psz_senc ) )
1042 msg_Dbg( p_stream, "creating subtitles transcoding from fcc=`%4.4s' "
1043 "to fcc=`%4.4s'", (char*)&p_fmt->i_codec,
1044 (char*)&p_sys->i_scodec );
1046 /* Complete destination format */
1047 id->p_encoder->fmt_out.i_codec = p_sys->i_scodec;
1049 /* build decoder -> filter -> encoder */
1050 if( transcode_spu_new( p_stream, id ) )
1052 msg_Err( p_stream, "cannot create subtitles chain" );
1056 /* open output stream */
1057 id->id = p_sys->p_out->pf_add( p_sys->p_out, &id->p_encoder->fmt_out );
1058 id->b_transcode = VLC_TRUE;
1062 transcode_spu_close( p_stream, id );
1066 else if( p_fmt->i_cat == SPU_ES && p_sys->b_soverlay )
1068 msg_Dbg( p_stream, "subtitles (fcc=`%4.4s') overlaying",
1069 (char*)&p_fmt->i_codec );
1071 id->b_transcode = VLC_TRUE;
1073 /* Build decoder -> filter -> overlaying chain */
1074 if( transcode_spu_new( p_stream, id ) )
1076 msg_Err( p_stream, "cannot create subtitles chain" );
1080 else if( !p_sys->b_osd && (p_sys->i_osdcodec != 0 || p_sys->psz_osdenc) )
1082 msg_Dbg( p_stream, "creating osd transcoding from fcc=`%4.4s' "
1083 "to fcc=`%4.4s'", (char*)&p_fmt->i_codec,
1084 (char*)&p_sys->i_scodec );
1086 id->b_transcode = VLC_TRUE;
1088 /* Create a fake OSD menu elementary stream */
1089 if( transcode_osd_new( p_stream, id ) )
1091 msg_Err( p_stream, "cannot create osd chain" );
1094 p_sys->b_osd = VLC_TRUE;
1098 msg_Dbg( p_stream, "not transcoding a stream (fcc=`%4.4s')",
1099 (char*)&p_fmt->i_codec );
1100 id->id = p_sys->p_out->pf_add( p_sys->p_out, p_fmt );
1101 id->b_transcode = VLC_FALSE;
1103 if( !id->id ) goto error;
1111 vlc_object_detach( id->p_decoder );
1112 vlc_object_destroy( id->p_decoder );
1113 id->p_decoder = NULL;
1118 vlc_object_detach( id->p_encoder );
1119 es_format_Clean( &id->p_encoder->fmt_out );
1120 vlc_object_destroy( id->p_encoder );
1121 id->p_encoder = NULL;
1128 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
1130 sout_stream_sys_t *p_sys = p_stream->p_sys;
1132 if( id->b_transcode )
1134 switch( id->p_decoder->fmt_in.i_cat )
1137 transcode_audio_close( p_stream, id );
1140 transcode_video_close( p_stream, id );
1144 transcode_osd_close( p_stream, id );
1146 transcode_spu_close( p_stream, id );
1151 if( id->id ) p_sys->p_out->pf_del( p_sys->p_out, id->id );
1155 vlc_object_detach( id->p_decoder );
1156 vlc_object_destroy( id->p_decoder );
1157 id->p_decoder = NULL;
1162 vlc_object_detach( id->p_encoder );
1163 es_format_Clean( &id->p_encoder->fmt_out );
1164 vlc_object_destroy( id->p_encoder );
1165 id->p_encoder = NULL;
1172 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
1175 sout_stream_sys_t *p_sys = p_stream->p_sys;
1176 block_t *p_out = NULL;
1178 if( !id->b_transcode && id->id )
1180 return p_sys->p_out->pf_send( p_sys->p_out, id->id, p_buffer );
1182 else if( !id->b_transcode )
1184 block_Release( p_buffer );
1185 return VLC_EGENERIC;
1188 switch( id->p_decoder->fmt_in.i_cat )
1191 transcode_audio_process( p_stream, id, p_buffer, &p_out );
1195 if( transcode_video_process( p_stream, id, p_buffer, &p_out )
1198 return VLC_EGENERIC;
1203 /* Transcode OSD menu pictures. */
1206 if( transcode_osd_process( p_stream, id, p_buffer, &p_out ) !=
1209 return VLC_EGENERIC;
1212 else if ( transcode_spu_process( p_stream, id, p_buffer, &p_out ) !=
1215 return VLC_EGENERIC;
1221 block_Release( p_buffer );
1225 if( p_out ) return p_sys->p_out->pf_send( p_sys->p_out, id->id, p_out );
1229 /****************************************************************************
1230 * decoder reencoder part
1231 ****************************************************************************/
1232 static int audio_BitsPerSample( vlc_fourcc_t i_format )
1236 case VLC_FOURCC('u','8',' ',' '):
1237 case VLC_FOURCC('s','8',' ',' '):
1240 case VLC_FOURCC('u','1','6','l'):
1241 case VLC_FOURCC('s','1','6','l'):
1242 case VLC_FOURCC('u','1','6','b'):
1243 case VLC_FOURCC('s','1','6','b'):
1246 case VLC_FOURCC('u','2','4','l'):
1247 case VLC_FOURCC('s','2','4','l'):
1248 case VLC_FOURCC('u','2','4','b'):
1249 case VLC_FOURCC('s','2','4','b'):
1252 case VLC_FOURCC('u','3','2','l'):
1253 case VLC_FOURCC('s','3','2','l'):
1254 case VLC_FOURCC('u','3','2','b'):
1255 case VLC_FOURCC('s','3','2','b'):
1256 case VLC_FOURCC('f','l','3','2'):
1257 case VLC_FOURCC('f','i','3','2'):
1260 case VLC_FOURCC('f','l','6','4'):
1267 static filter_t *transcode_audio_filter_new( sout_stream_t *p_stream,
1268 sout_stream_id_t *id,
1269 es_format_t *p_fmt_in,
1270 es_format_t *p_fmt_out,
1273 sout_stream_sys_t *p_sys = p_stream->p_sys;
1274 filter_t *p_filter = vlc_object_create( p_stream, VLC_OBJECT_FILTER );
1276 vlc_object_attach( p_filter, p_stream );
1277 p_filter->pf_audio_buffer_new = (block_t* (*) (filter_t*, int))__block_New;
1279 p_filter->fmt_in = *p_fmt_in;
1280 p_filter->fmt_out = *p_fmt_out;
1282 p_filter->p_cfg = p_sys->p_afilters_cfg[id->i_ufilter];
1284 p_filter->p_module = module_Need( p_filter, "audio filter2", psz_name,
1286 if( p_filter->p_module )
1288 p_filter->fmt_out.audio.i_bitspersample =
1289 audio_BitsPerSample( p_filter->fmt_out.i_codec );
1290 *p_fmt_in = p_filter->fmt_out;
1294 vlc_object_detach( p_filter );
1295 vlc_object_destroy( p_filter );
1302 static int transcode_audio_new( sout_stream_t *p_stream,
1303 sout_stream_id_t *id )
1305 sout_stream_sys_t *p_sys = p_stream->p_sys;
1306 es_format_t fmt_last;
1313 /* Initialization of decoder structures */
1314 id->p_decoder->fmt_out = id->p_decoder->fmt_in;
1315 id->p_decoder->fmt_out.i_extra = 0;
1316 id->p_decoder->fmt_out.p_extra = 0;
1317 id->p_decoder->pf_decode_audio = NULL;
1318 id->p_decoder->pf_aout_buffer_new = audio_new_buffer;
1319 id->p_decoder->pf_aout_buffer_del = audio_del_buffer;
1320 /* id->p_decoder->p_cfg = p_sys->p_audio_cfg; */
1322 id->p_decoder->p_module =
1323 module_Need( id->p_decoder, "decoder", "$codec", 0 );
1324 if( !id->p_decoder->p_module )
1326 msg_Err( p_stream, "cannot find decoder" );
1327 return VLC_EGENERIC;
1329 id->p_decoder->fmt_out.audio.i_bitspersample =
1330 audio_BitsPerSample( id->p_decoder->fmt_out.i_codec );
1331 fmt_last = id->p_decoder->fmt_out;
1332 /* Fix AAC SBR changing number of channels and sampling rate */
1333 if( !(id->p_decoder->fmt_in.i_codec == VLC_FOURCC('m','p','4','a') &&
1334 fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate &&
1335 fmt_last.audio.i_channels != id->p_encoder->fmt_in.audio.i_channels) )
1336 fmt_last.audio.i_rate = id->p_decoder->fmt_in.audio.i_rate;
1342 /* Initialization of encoder format structures */
1343 es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
1344 id->p_decoder->fmt_out.i_codec );
1345 id->p_encoder->fmt_in.audio.i_format = id->p_decoder->fmt_out.i_codec;
1347 /* Initialization of encoder format structures */
1348 es_format_Init( &id->p_encoder->fmt_in, AUDIO_ES, VLC_FOURCC('f','l','3','2') );
1349 id->p_encoder->fmt_in.audio.i_format = VLC_FOURCC('f','l','3','2');
1351 id->p_encoder->fmt_in.audio.i_rate = id->p_encoder->fmt_out.audio.i_rate;
1352 id->p_encoder->fmt_in.audio.i_physical_channels =
1353 id->p_encoder->fmt_out.audio.i_physical_channels;
1354 id->p_encoder->fmt_in.audio.i_original_channels =
1355 id->p_encoder->fmt_out.audio.i_original_channels;
1356 id->p_encoder->fmt_in.audio.i_channels =
1357 id->p_encoder->fmt_out.audio.i_channels;
1358 id->p_encoder->fmt_in.audio.i_bitspersample =
1359 audio_BitsPerSample( id->p_encoder->fmt_in.i_codec );
1361 id->p_encoder->p_cfg = p_stream->p_sys->p_audio_cfg;
1362 id->p_encoder->p_module =
1363 module_Need( id->p_encoder, "encoder", p_sys->psz_aenc, VLC_TRUE );
1364 if( !id->p_encoder->p_module )
1366 msg_Err( p_stream, "cannot find encoder (%s)", p_sys->psz_aenc );
1367 module_Unneed( id->p_decoder, id->p_decoder->p_module );
1368 id->p_decoder->p_module = NULL;
1369 return VLC_EGENERIC;
1371 id->p_encoder->fmt_in.audio.i_format = id->p_encoder->fmt_in.i_codec;
1372 id->p_encoder->fmt_in.audio.i_bitspersample =
1373 audio_BitsPerSample( id->p_encoder->fmt_in.i_codec );
1375 /* Fix AAC SBR changing number of channels and sampling rate */
1376 if( id->p_decoder->fmt_in.i_codec == VLC_FOURCC('m','p','4','a') &&
1377 fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate &&
1378 fmt_last.audio.i_channels != id->p_encoder->fmt_in.audio.i_channels )
1380 id->p_encoder->fmt_in.audio.i_rate = fmt_last.audio.i_rate;
1381 id->p_encoder->fmt_out.audio.i_rate = fmt_last.audio.i_rate;
1384 /* Load conversion filters */
1385 if( fmt_last.audio.i_channels != id->p_encoder->fmt_in.audio.i_channels ||
1386 fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate )
1388 /* We'll have to go through fl32 first */
1389 es_format_t fmt_out = id->p_encoder->fmt_in;
1390 fmt_out.i_codec = fmt_out.audio.i_format = VLC_FOURCC('f','l','3','2');
1392 id->pp_filter[id->i_filter] =
1393 transcode_audio_filter_new( p_stream, id, &fmt_last, &fmt_out, NULL );
1395 if( id->pp_filter[id->i_filter] ) id->i_filter++;
1398 for( i = 0; i < TRANSCODE_FILTERS; i++ )
1400 if( (fmt_last.audio.i_channels !=
1401 id->p_encoder->fmt_in.audio.i_channels) ||
1402 (fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate) ||
1403 (fmt_last.i_codec != id->p_encoder->fmt_in.i_codec) )
1405 id->pp_filter[id->i_filter] =
1406 transcode_audio_filter_new( p_stream, id, &fmt_last,
1407 &id->p_encoder->fmt_in, NULL );
1409 if( id->pp_filter[id->i_filter] )
1416 /* Final checks to see if conversions were successful */
1417 if( fmt_last.i_codec != id->p_encoder->fmt_in.i_codec )
1419 msg_Err( p_stream, "no audio filter found (%4.4s->%4.4s)",
1420 (char *)&fmt_last.i_codec,
1421 (char *)&id->p_encoder->fmt_in.i_codec );
1422 transcode_audio_close( p_stream, id );
1423 return VLC_EGENERIC;
1426 /* Load user specified audio filters now */
1427 for( i = 0; (i < p_sys->i_afilters) &&
1428 (id->i_ufilter < TRANSCODE_FILTERS); i++ )
1430 id->pp_ufilter[id->i_ufilter] =
1431 transcode_audio_filter_new( p_stream, id, &fmt_last,
1432 &id->p_encoder->fmt_in,
1433 p_sys->psz_afilters[i] );
1435 if( id->pp_ufilter[id->i_ufilter] )
1441 if( fmt_last.audio.i_channels != id->p_encoder->fmt_in.audio.i_channels )
1444 module_Unneed( id->p_encoder, id->p_encoder->p_module );
1445 id->p_encoder->p_module = NULL;
1447 /* This might work, but only if the encoder is restarted */
1448 id->p_encoder->fmt_in.audio.i_channels = fmt_last.audio.i_channels;
1449 id->p_encoder->fmt_out.audio.i_channels = fmt_last.audio.i_channels;
1451 id->p_encoder->fmt_in.audio.i_physical_channels =
1452 id->p_encoder->fmt_in.audio.i_original_channels =
1453 fmt_last.audio.i_physical_channels;
1454 id->p_encoder->fmt_out.audio.i_physical_channels =
1455 id->p_encoder->fmt_out.audio.i_original_channels =
1456 fmt_last.audio.i_physical_channels;
1458 msg_Dbg( p_stream, "number of audio channels for mixing changed, "
1459 "trying to reopen the encoder for mixing %i to %i channels",
1460 fmt_last.audio.i_channels,
1461 id->p_encoder->fmt_in.audio.i_channels );
1463 /* reload encoder */
1464 id->p_encoder->p_cfg = p_stream->p_sys->p_audio_cfg;
1465 id->p_encoder->p_module =
1466 module_Need( id->p_encoder, "encoder", p_sys->psz_aenc, VLC_TRUE );
1467 if( !id->p_encoder->p_module )
1469 msg_Err( p_stream, "cannot find encoder (%s)", p_sys->psz_aenc );
1470 transcode_audio_close( p_stream, id );
1471 return VLC_EGENERIC;
1473 id->p_encoder->fmt_in.audio.i_format = id->p_encoder->fmt_in.i_codec;
1474 id->p_encoder->fmt_in.audio.i_bitspersample =
1475 audio_BitsPerSample( id->p_encoder->fmt_in.i_codec );
1477 msg_Err( p_stream, "no audio filter found for mixing from"
1478 " %i to %i channels", fmt_last.audio.i_channels,
1479 id->p_encoder->fmt_in.audio.i_channels );
1481 transcode_audio_close( p_stream, id );
1482 return VLC_EGENERIC;
1486 if( fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate )
1488 msg_Err( p_stream, "no audio filter found for resampling from"
1489 " %iHz to %iHz", fmt_last.audio.i_rate,
1490 id->p_encoder->fmt_in.audio.i_rate );
1492 /* FIXME : this might work, but only if the encoder is restarted */
1493 id->p_encoder->fmt_in.audio.i_rate = fmt_last.audio.i_rate;
1494 id->p_encoder->fmt_out.audio.i_rate = fmt_last.audio.i_rate;
1496 transcode_audio_close( p_stream, id );
1497 return VLC_EGENERIC;
1501 /* FIXME: Hack for mp3 transcoding support */
1502 if( id->p_encoder->fmt_out.i_codec == VLC_FOURCC( 'm','p','3',' ' ) )
1503 id->p_encoder->fmt_out.i_codec = VLC_FOURCC( 'm','p','g','a' );
1508 static void transcode_audio_close( sout_stream_t *p_stream,
1509 sout_stream_id_t *id )
1514 if( id->p_decoder->p_module )
1515 module_Unneed( id->p_decoder, id->p_decoder->p_module );
1516 id->p_decoder->p_module = NULL;
1519 if( id->p_encoder->p_module )
1520 module_Unneed( id->p_encoder, id->p_encoder->p_module );
1521 id->p_encoder->p_module = NULL;
1524 for( i = 0; i < id->i_filter; i++ )
1526 vlc_object_detach( id->pp_filter[i] );
1527 if( id->pp_filter[i]->p_module )
1528 module_Unneed( id->pp_filter[i], id->pp_filter[i]->p_module );
1529 vlc_object_destroy( id->pp_filter[i] );
1531 for( i = 0; i < id->i_ufilter; i++ )
1533 vlc_object_detach( id->pp_ufilter[i] );
1534 if( id->pp_ufilter[i]->p_module )
1535 module_Unneed( id->pp_ufilter[i], id->pp_ufilter[i]->p_module );
1536 vlc_object_destroy( id->pp_ufilter[i] );
1540 static int transcode_audio_process( sout_stream_t *p_stream,
1541 sout_stream_id_t *id,
1542 block_t *in, block_t **out )
1544 sout_stream_sys_t *p_sys = p_stream->p_sys;
1545 aout_buffer_t *p_audio_buf;
1546 block_t *p_block, *p_audio_block;
1550 while( (p_audio_buf = id->p_decoder->pf_decode_audio( id->p_decoder,
1553 sout_UpdateStatistic( p_stream->p_sout, SOUT_STATISTIC_DECODED_AUDIO, 1 );
1554 if( p_sys->b_master_sync )
1556 mtime_t i_dts = date_Get( &id->interpolated_pts ) + 1;
1557 if ( p_audio_buf->start_date - i_dts > MASTER_SYNC_MAX_DRIFT
1558 || p_audio_buf->start_date - i_dts < -MASTER_SYNC_MAX_DRIFT )
1560 msg_Dbg( p_stream, "drift is too high, resetting master sync" );
1561 date_Set( &id->interpolated_pts, p_audio_buf->start_date );
1562 i_dts = p_audio_buf->start_date + 1;
1564 p_sys->i_master_drift = p_audio_buf->start_date - i_dts;
1565 date_Increment( &id->interpolated_pts, p_audio_buf->i_nb_samples );
1566 p_audio_buf->start_date -= p_sys->i_master_drift;
1567 p_audio_buf->end_date -= p_sys->i_master_drift;
1570 p_audio_block = p_audio_buf->p_sys;
1571 p_audio_block->i_buffer = p_audio_buf->i_nb_bytes;
1572 p_audio_block->i_dts = p_audio_block->i_pts =
1573 p_audio_buf->start_date;
1574 p_audio_block->i_length = p_audio_buf->end_date -
1575 p_audio_buf->start_date;
1576 p_audio_block->i_samples = p_audio_buf->i_nb_samples;
1578 /* Run filter chain */
1579 for( i = 0; i < id->i_filter; i++ )
1582 id->pp_filter[i]->pf_audio_filter( id->pp_filter[i],
1586 /* Run user specified filter chain */
1587 for( i = 0; i < id->i_ufilter; i++ )
1590 id->pp_ufilter[i]->pf_audio_filter( id->pp_ufilter[i],
1594 p_audio_buf->p_buffer = p_audio_block->p_buffer;
1595 p_audio_buf->i_nb_bytes = p_audio_block->i_buffer;
1596 p_audio_buf->i_nb_samples = p_audio_block->i_samples;
1597 p_audio_buf->start_date = p_audio_block->i_dts;
1598 p_audio_buf->end_date = p_audio_block->i_dts + p_audio_block->i_length;
1600 p_block = id->p_encoder->pf_encode_audio( id->p_encoder, p_audio_buf );
1601 block_ChainAppend( out, p_block );
1602 block_Release( p_audio_block );
1603 free( p_audio_buf );
1609 static void audio_release_buffer( aout_buffer_t *p_buffer )
1611 if( p_buffer && p_buffer->p_sys ) block_Release( p_buffer->p_sys );
1612 if( p_buffer ) free( p_buffer );
1615 static aout_buffer_t *audio_new_buffer( decoder_t *p_dec, int i_samples )
1617 aout_buffer_t *p_buffer;
1621 if( p_dec->fmt_out.audio.i_bitspersample )
1623 i_size = i_samples * p_dec->fmt_out.audio.i_bitspersample / 8 *
1624 p_dec->fmt_out.audio.i_channels;
1626 else if( p_dec->fmt_out.audio.i_bytes_per_frame &&
1627 p_dec->fmt_out.audio.i_frame_length )
1629 i_size = i_samples * p_dec->fmt_out.audio.i_bytes_per_frame /
1630 p_dec->fmt_out.audio.i_frame_length;
1634 i_size = i_samples * 4 * p_dec->fmt_out.audio.i_channels;
1637 p_buffer = malloc( sizeof(aout_buffer_t) );
1638 if( !p_buffer ) return NULL;
1639 p_buffer->b_discontinuity = VLC_FALSE;
1640 p_buffer->pf_release = audio_release_buffer;
1641 p_buffer->p_sys = p_block = block_New( p_dec, i_size );
1643 p_buffer->p_buffer = p_block->p_buffer;
1644 p_buffer->i_size = p_buffer->i_nb_bytes = p_block->i_buffer;
1645 p_buffer->i_nb_samples = i_samples;
1646 p_block->i_samples = i_samples;
1651 static void audio_del_buffer( decoder_t *p_dec, aout_buffer_t *p_buffer )
1653 if( p_buffer && p_buffer->p_sys ) block_Release( p_buffer->p_sys );
1654 if( p_buffer ) free( p_buffer );
1660 static int transcode_video_new( sout_stream_t *p_stream, sout_stream_id_t *id )
1662 sout_stream_sys_t *p_sys = p_stream->p_sys;
1666 * Initialization of decoder structures
1668 id->p_decoder->fmt_out = id->p_decoder->fmt_in;
1669 id->p_decoder->fmt_out.i_extra = 0;
1670 id->p_decoder->fmt_out.p_extra = 0;
1671 id->p_decoder->pf_decode_video = NULL;
1672 id->p_decoder->pf_get_cc = NULL;
1673 id->p_decoder->pf_get_cc = 0;
1674 id->p_decoder->pf_vout_buffer_new = video_new_buffer_decoder;
1675 id->p_decoder->pf_vout_buffer_del = video_del_buffer_decoder;
1676 id->p_decoder->pf_picture_link = video_link_picture_decoder;
1677 id->p_decoder->pf_picture_unlink = video_unlink_picture_decoder;
1678 id->p_decoder->p_owner = malloc( sizeof(decoder_owner_sys_t) );
1679 for( i = 0; i < PICTURE_RING_SIZE; i++ )
1680 id->p_decoder->p_owner->pp_pics[i] = 0;
1681 id->p_decoder->p_owner->p_sys = p_sys;
1682 /* id->p_decoder->p_cfg = p_sys->p_video_cfg; */
1684 id->p_decoder->p_module =
1685 module_Need( id->p_decoder, "decoder", "$codec", 0 );
1687 if( !id->p_decoder->p_module )
1689 msg_Err( p_stream, "cannot find decoder" );
1690 return VLC_EGENERIC;
1695 * Because some info about the decoded input will only be available
1696 * once the first frame is decoded, we actually only test the availability
1697 * of the encoder here.
1700 /* Initialization of encoder format structures */
1701 es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
1702 id->p_decoder->fmt_out.i_codec );
1703 id->p_encoder->fmt_in.video.i_chroma = id->p_decoder->fmt_out.i_codec;
1705 /* The dimensions will be set properly later on.
1706 * Just put sensible values so we can test an encoder is available. */
1707 id->p_encoder->fmt_in.video.i_width =
1708 id->p_encoder->fmt_out.video.i_width ?
1709 id->p_encoder->fmt_out.video.i_width :
1710 id->p_decoder->fmt_in.video.i_width ?
1711 id->p_decoder->fmt_in.video.i_width : 16;
1712 id->p_encoder->fmt_in.video.i_height =
1713 id->p_encoder->fmt_out.video.i_height ?
1714 id->p_encoder->fmt_out.video.i_height :
1715 id->p_decoder->fmt_in.video.i_height ?
1716 id->p_decoder->fmt_in.video.i_height : 16;
1717 id->p_encoder->fmt_in.video.i_frame_rate = 25;
1718 id->p_encoder->fmt_in.video.i_frame_rate_base = 1;
1720 id->p_encoder->i_threads = p_sys->i_threads;
1721 id->p_encoder->p_cfg = p_sys->p_video_cfg;
1723 id->p_encoder->p_module =
1724 module_Need( id->p_encoder, "encoder", p_sys->psz_venc, VLC_TRUE );
1725 if( !id->p_encoder->p_module )
1727 msg_Err( p_stream, "cannot find encoder (%s)", p_sys->psz_venc );
1728 module_Unneed( id->p_decoder, id->p_decoder->p_module );
1729 id->p_decoder->p_module = 0;
1730 return VLC_EGENERIC;
1733 /* Close the encoder.
1734 * We'll open it only when we have the first frame. */
1735 module_Unneed( id->p_encoder, id->p_encoder->p_module );
1736 if( id->p_encoder->fmt_out.p_extra )
1738 free( id->p_encoder->fmt_out.p_extra );
1739 id->p_encoder->fmt_out.p_extra = NULL;
1740 id->p_encoder->fmt_out.i_extra = 0;
1742 id->p_encoder->p_module = NULL;
1744 if( p_sys->i_threads >= 1 )
1746 int i_priority = p_sys->b_high_priority ? VLC_THREAD_PRIORITY_OUTPUT :
1747 VLC_THREAD_PRIORITY_VIDEO;
1748 p_sys->id_video = id;
1749 vlc_mutex_init( p_stream, &p_sys->lock_out );
1750 vlc_cond_init( p_stream, &p_sys->cond );
1751 memset( p_sys->pp_pics, 0, sizeof(p_sys->pp_pics) );
1752 p_sys->i_first_pic = 0;
1753 p_sys->i_last_pic = 0;
1754 p_sys->p_buffers = NULL;
1755 p_sys->b_die = p_sys->b_error = 0;
1756 if( vlc_thread_create( p_sys, "encoder", EncoderThread, i_priority,
1759 msg_Err( p_stream, "cannot spawn encoder thread" );
1760 module_Unneed( id->p_decoder, id->p_decoder->p_module );
1761 id->p_decoder->p_module = 0;
1762 return VLC_EGENERIC;
1769 static int transcode_video_encoder_open( sout_stream_t *p_stream,
1770 sout_stream_id_t *id )
1772 sout_stream_sys_t *p_sys = p_stream->p_sys;
1774 /* Calculate scaling, padding, cropping etc. */
1775 /* width/height of source */
1776 int i_src_width = id->p_decoder->fmt_out.video.i_width;
1777 int i_src_height = id->p_decoder->fmt_out.video.i_height;
1779 /* with/height scaling */
1780 float f_scale_width = 1;
1781 float f_scale_height = 1;
1783 /* width/height of output stream */
1788 float f_aspect = (float)id->p_decoder->fmt_out.video.i_aspect /
1791 msg_Dbg( p_stream, "decoder aspect is %i:%i",
1792 id->p_decoder->fmt_out.video.i_aspect, VOUT_ASPECT_FACTOR );
1794 /* Change f_aspect from source frame to source pixel */
1795 f_aspect = f_aspect * i_src_height / i_src_width;
1796 msg_Dbg( p_stream, "source pixel aspect is %f:1", f_aspect );
1798 /* width/height after cropping */
1799 p_sys->i_src_x_offset = p_sys->i_crop_left & ~1;
1800 p_sys->i_src_y_offset = p_sys->i_crop_top & ~1;
1801 p_sys->i_crop_width = i_src_width - ( p_sys->i_crop_left & ~1 ) -
1802 ( p_sys->i_crop_right & ~1 );
1803 p_sys->i_crop_height = i_src_height - ( p_sys->i_crop_top & ~1 ) -
1804 ( p_sys->i_crop_bottom & ~1 );
1806 /* Calculate scaling factor for specified parameters */
1807 if( id->p_encoder->fmt_out.video.i_width <= 0 &&
1808 id->p_encoder->fmt_out.video.i_height <= 0 && p_sys->f_scale )
1810 /* Global scaling. Make sure width will remain a factor of 16 */
1813 int i_new_width = i_src_width * p_sys->f_scale;
1815 if( i_new_width % 16 <= 7 && i_new_width >= 16 )
1816 i_new_width -= i_new_width % 16;
1818 i_new_width += 16 - i_new_width % 16;
1820 f_real_scale = (float)( i_new_width ) / (float) i_src_width;
1822 i_new_height = __MAX( 16, i_src_height * (float)f_real_scale );
1824 f_scale_width = f_real_scale;
1825 f_scale_height = (float) i_new_height / (float) i_src_height;
1827 else if( id->p_encoder->fmt_out.video.i_width > 0 &&
1828 id->p_encoder->fmt_out.video.i_height <= 0 )
1830 /* Only width specified */
1831 f_scale_width = (float)id->p_encoder->fmt_out.video.i_width /
1832 p_sys->i_crop_width;
1833 f_scale_height = f_scale_width;
1835 else if( id->p_encoder->fmt_out.video.i_width <= 0 &&
1836 id->p_encoder->fmt_out.video.i_height > 0 )
1838 /* Only height specified */
1839 f_scale_height = (float)id->p_encoder->fmt_out.video.i_height /
1840 p_sys->i_crop_height;
1841 f_scale_width = f_scale_height;
1843 else if( id->p_encoder->fmt_out.video.i_width > 0 &&
1844 id->p_encoder->fmt_out.video.i_height > 0 )
1846 /* Width and height specified */
1847 f_scale_width = (float)id->p_encoder->fmt_out.video.i_width
1848 / p_sys->i_crop_width;
1849 f_scale_height = (float)id->p_encoder->fmt_out.video.i_height
1850 / p_sys->i_crop_height;
1853 /* check maxwidth and maxheight
1854 * note: maxwidth and maxheight currently does not handle
1855 * canvas and padding, just scaling and cropping.
1857 if( p_sys->i_maxwidth && f_scale_width > (float)p_sys->i_maxwidth /
1858 p_sys->i_crop_width )
1860 f_scale_width = (float)p_sys->i_maxwidth / p_sys->i_crop_width;
1862 if( p_sys->i_maxheight && f_scale_height > (float)p_sys->i_maxheight /
1863 p_sys->i_crop_height )
1865 f_scale_height = (float)p_sys->i_maxheight / p_sys->i_crop_height;
1868 /* Change aspect ratio from source pixel to scaled pixel */
1869 f_aspect = f_aspect * f_scale_height / f_scale_width;
1870 msg_Dbg( p_stream, "scaled pixel aspect is %f:1", f_aspect );
1872 /* Correct scaling for target aspect ratio
1873 * Shrink video if necessary
1875 if ( p_sys->i_canvas_aspect > 0 )
1877 float f_target_aspect = (float)p_sys->i_canvas_aspect /
1880 if( p_sys->i_canvas_width > 0 && p_sys->i_canvas_height > 0)
1882 /* Calculate pixel aspect of canvas */
1883 f_target_aspect = f_target_aspect / p_sys->i_canvas_width *
1884 p_sys->i_canvas_height;
1886 if( f_target_aspect > f_aspect )
1888 /* Reduce width scale to increase aspect */
1889 f_scale_width = f_scale_width * f_aspect / f_target_aspect;
1893 /* Reduce height scale to decrease aspect */
1894 f_scale_height = f_scale_height * f_target_aspect / f_aspect;
1896 f_aspect = f_target_aspect;
1897 msg_Dbg( p_stream, "canvas scaled pixel aspect is %f:1", f_aspect );
1900 /* f_scale_width and f_scale_height are now final */
1901 /* Calculate width, height from scaling
1902 * Make sure its multiple of 2
1904 i_dst_width = 2 * (int)( p_sys->i_crop_width * f_scale_width / 2 + 0.5 );
1906 (int)( p_sys->i_crop_height * f_scale_height / 2 + 0.5 );
1908 p_sys->i_nopadd_width = i_dst_width;
1909 p_sys->i_nopadd_height = i_dst_height;
1910 p_sys->i_dst_x_offset = 0;
1911 p_sys->i_dst_y_offset = 0;
1913 /* Handle canvas and padding */
1914 if( p_sys->i_canvas_width <= 0 )
1916 /* No canvas width set, add explicit padding border */
1917 i_dst_width = p_sys->i_nopadd_width + ( p_sys->i_padd_left & ~1 ) +
1918 ( p_sys->i_padd_right & ~1 );
1919 p_sys->i_dst_x_offset = ( p_sys->i_padd_left & ~1 );
1923 /* Canvas set, check if we have to padd or crop */
1924 if( p_sys->i_canvas_width < p_sys->i_nopadd_width )
1926 /* need to crop more, but keep same scaling */
1927 int i_crop = 2 * (int)( ( p_sys->i_canvas_width & ~1 ) /
1928 f_scale_width / 2 + 0.5 );
1930 p_sys->i_src_x_offset += ( ( p_sys->i_crop_width - i_crop ) / 2 )
1932 p_sys->i_crop_width = i_crop;
1933 i_dst_width = p_sys->i_canvas_width & ~1;
1934 p_sys->i_nopadd_width = i_dst_width;
1936 else if( p_sys->i_canvas_width > p_sys->i_nopadd_width )
1939 i_dst_width = p_sys->i_canvas_width & ~1;
1940 p_sys->i_dst_x_offset = ( i_dst_width - p_sys->i_nopadd_width )/2;
1941 p_sys->i_dst_x_offset = p_sys->i_dst_x_offset & ~1;
1945 if( p_sys->i_canvas_height <= 0 )
1947 /* No canvas set, add padding border */
1948 i_dst_height = p_sys->i_nopadd_height + ( p_sys->i_padd_top & ~1 ) +
1949 ( p_sys->i_padd_bottom & ~1 );
1950 p_sys->i_dst_y_offset = ( p_sys->i_padd_top & ~1 );
1954 /* Canvas set, check if we have to padd or crop */
1955 if( p_sys->i_canvas_height < p_sys->i_nopadd_height )
1957 /* need to crop more, but keep same scaling */
1958 int i_crop = 2 * (int)( ( p_sys->i_canvas_height & ~1 ) /
1959 f_scale_height / 2 + 0.5 );
1961 p_sys->i_src_y_offset += ( ( p_sys->i_crop_height - i_crop ) / 2 )
1963 p_sys->i_crop_height = i_crop;
1964 i_dst_height = p_sys->i_canvas_height & ~1;
1965 p_sys->i_nopadd_height = i_dst_height;
1967 else if( p_sys->i_canvas_height > p_sys->i_nopadd_height )
1970 i_dst_height = p_sys->i_canvas_height & ~1;
1971 p_sys->i_dst_y_offset = ( i_dst_height - p_sys->i_nopadd_height )
1973 p_sys->i_dst_y_offset = p_sys->i_dst_y_offset & ~1;
1977 /* Change aspect ratio from scaled pixel to output frame */
1978 f_aspect = f_aspect * i_dst_width / i_dst_height;
1980 /* Store calculated values */
1981 id->p_encoder->fmt_out.video.i_width = i_dst_width;
1982 id->p_encoder->fmt_out.video.i_height = i_dst_height;
1984 id->p_encoder->fmt_in.video.i_width = i_dst_width;
1985 id->p_encoder->fmt_in.video.i_height = i_dst_height;
1987 msg_Dbg( p_stream, "source %ix%i, crop %ix%i, "
1988 "destination %ix%i, padding %ix%i",
1989 i_src_width, i_src_height,
1990 p_sys->i_crop_width, p_sys->i_crop_height,
1991 p_sys->i_nopadd_width, p_sys->i_nopadd_height,
1992 i_dst_width, i_dst_height
1995 /* Handle frame rate conversion */
1996 if( !id->p_encoder->fmt_out.video.i_frame_rate ||
1997 !id->p_encoder->fmt_out.video.i_frame_rate_base )
1999 if( id->p_decoder->fmt_out.video.i_frame_rate &&
2000 id->p_decoder->fmt_out.video.i_frame_rate_base )
2002 id->p_encoder->fmt_out.video.i_frame_rate =
2003 id->p_decoder->fmt_out.video.i_frame_rate;
2004 id->p_encoder->fmt_out.video.i_frame_rate_base =
2005 id->p_decoder->fmt_out.video.i_frame_rate_base;
2009 /* Pick a sensible default value */
2010 id->p_encoder->fmt_out.video.i_frame_rate = 25;
2011 id->p_encoder->fmt_out.video.i_frame_rate_base = 1;
2015 id->p_encoder->fmt_in.video.i_frame_rate =
2016 id->p_encoder->fmt_out.video.i_frame_rate;
2017 id->p_encoder->fmt_in.video.i_frame_rate_base =
2018 id->p_encoder->fmt_out.video.i_frame_rate_base;
2020 date_Init( &id->interpolated_pts,
2021 id->p_encoder->fmt_out.video.i_frame_rate,
2022 id->p_encoder->fmt_out.video.i_frame_rate_base );
2024 /* Check whether a particular aspect ratio was requested */
2025 if( !id->p_encoder->fmt_out.video.i_aspect )
2027 id->p_encoder->fmt_out.video.i_aspect = (int)( f_aspect * VOUT_ASPECT_FACTOR + 0.5 );
2029 id->p_encoder->fmt_in.video.i_aspect =
2030 id->p_encoder->fmt_out.video.i_aspect;
2032 msg_Dbg( p_stream, "encoder aspect is %i:%i", id->p_encoder->fmt_out.video.i_aspect, VOUT_ASPECT_FACTOR );
2034 id->p_encoder->p_module =
2035 module_Need( id->p_encoder, "encoder", p_sys->psz_venc, VLC_TRUE );
2036 if( !id->p_encoder->p_module )
2038 msg_Err( p_stream, "cannot find encoder (%s)", p_sys->psz_venc );
2039 return VLC_EGENERIC;
2042 id->p_encoder->fmt_in.video.i_chroma = id->p_encoder->fmt_in.i_codec;
2044 /* Hack for mp2v/mp1v transcoding support */
2045 if( id->p_encoder->fmt_out.i_codec == VLC_FOURCC('m','p','1','v') ||
2046 id->p_encoder->fmt_out.i_codec == VLC_FOURCC('m','p','2','v') )
2048 id->p_encoder->fmt_out.i_codec = VLC_FOURCC('m','p','g','v');
2051 id->id = p_stream->p_sys->p_out->pf_add( p_stream->p_sys->p_out,
2052 &id->p_encoder->fmt_out );
2055 msg_Err( p_stream, "cannot add this stream" );
2056 return VLC_EGENERIC;
2062 static void transcode_video_close( sout_stream_t *p_stream,
2063 sout_stream_id_t *id )
2067 if( p_stream->p_sys->i_threads >= 1 )
2069 vlc_mutex_lock( &p_stream->p_sys->lock_out );
2070 vlc_object_kill( p_stream->p_sys );
2071 vlc_cond_signal( &p_stream->p_sys->cond );
2072 vlc_mutex_unlock( &p_stream->p_sys->lock_out );
2073 vlc_thread_join( p_stream->p_sys );
2074 vlc_mutex_destroy( &p_stream->p_sys->lock_out );
2075 vlc_cond_destroy( &p_stream->p_sys->cond );
2079 if( id->p_decoder->p_module )
2080 module_Unneed( id->p_decoder, id->p_decoder->p_module );
2082 if( id->p_decoder->p_owner )
2084 /* Clean-up pictures ring buffer */
2085 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2087 if( id->p_decoder->p_owner->pp_pics[i] )
2088 video_del_buffer( VLC_OBJECT(id->p_decoder),
2089 id->p_decoder->p_owner->pp_pics[i] );
2091 free( id->p_decoder->p_owner );
2095 if( id->p_encoder->p_module )
2096 module_Unneed( id->p_encoder, id->p_encoder->p_module );
2099 for( i = 0; i < id->i_filter; i++ )
2101 vlc_object_detach( id->pp_filter[i] );
2102 if( id->pp_filter[i]->p_module )
2103 module_Unneed( id->pp_filter[i], id->pp_filter[i]->p_module );
2105 /* Clean-up pictures ring buffer */
2106 for( j = 0; j < PICTURE_RING_SIZE; j++ )
2108 if( id->pp_filter[i]->p_owner->pp_pics[j] )
2109 video_del_buffer( VLC_OBJECT(id->pp_filter[i]),
2110 id->pp_filter[i]->p_owner->pp_pics[j] );
2112 free( id->pp_filter[i]->p_owner );
2113 vlc_object_destroy( id->pp_filter[i] );
2114 id->pp_filter[i] = NULL;
2117 for( i = 0; i < id->i_ufilter; i++ )
2119 vlc_object_detach( id->pp_ufilter[i] );
2120 if( id->pp_ufilter[i]->p_module )
2121 module_Unneed( id->pp_ufilter[i], id->pp_ufilter[i]->p_module );
2123 /* Clean-up pictures ring buffer */
2124 for( j = 0; j < PICTURE_RING_SIZE; j++ )
2126 if( id->pp_ufilter[i]->p_owner->pp_pics[j] )
2127 video_del_buffer( VLC_OBJECT(id->pp_ufilter[i]),
2128 id->pp_ufilter[i]->p_owner->pp_pics[j] );
2130 free( id->pp_ufilter[i]->p_owner );
2131 vlc_object_destroy( id->pp_ufilter[i] );
2132 id->pp_ufilter[i] = NULL;
2136 static int transcode_video_process( sout_stream_t *p_stream,
2137 sout_stream_id_t *id,
2138 block_t *in, block_t **out )
2140 sout_stream_sys_t *p_sys = p_stream->p_sys;
2141 int i_duplicate = 1, i;
2142 picture_t *p_pic, *p_pic2 = NULL;
2145 while( (p_pic = id->p_decoder->pf_decode_video( id->p_decoder, &in )) )
2147 subpicture_t *p_subpic = NULL;
2149 sout_UpdateStatistic( p_stream->p_sout, SOUT_STATISTIC_DECODED_VIDEO, 1 );
2151 if( p_stream->p_sout->i_out_pace_nocontrol && p_sys->b_hurry_up )
2153 mtime_t current_date = mdate();
2154 if( current_date + 50000 > p_pic->date )
2156 msg_Dbg( p_stream, "late picture skipped ("I64Fd")",
2157 current_date + 50000 - p_pic->date );
2158 p_pic->pf_release( p_pic );
2163 if( p_sys->b_master_sync )
2165 mtime_t i_video_drift;
2166 mtime_t i_master_drift = p_sys->i_master_drift;
2169 i_pts = date_Get( &id->interpolated_pts ) + 1;
2170 if ( p_pic->date - i_pts > MASTER_SYNC_MAX_DRIFT
2171 || p_pic->date - i_pts < -MASTER_SYNC_MAX_DRIFT )
2173 msg_Dbg( p_stream, "drift is too high, resetting master sync" );
2174 date_Set( &id->interpolated_pts, p_pic->date );
2175 i_pts = p_pic->date + 1;
2177 i_video_drift = p_pic->date - i_pts;
2180 /* Set the pts of the frame being encoded */
2181 p_pic->date = i_pts;
2183 if( i_video_drift < (i_master_drift - 50000) )
2186 msg_Dbg( p_stream, "dropping frame (%i)",
2187 (int)(i_video_drift - i_master_drift) );
2189 p_pic->pf_release( p_pic );
2192 else if( i_video_drift > (i_master_drift + 50000) )
2195 msg_Dbg( p_stream, "adding frame (%i)",
2196 (int)(i_video_drift - i_master_drift) );
2202 if( !id->p_encoder->p_module )
2204 if( transcode_video_encoder_open( p_stream, id ) != VLC_SUCCESS )
2206 p_pic->pf_release( p_pic );
2207 transcode_video_close( p_stream, id );
2208 id->b_transcode = VLC_FALSE;
2209 return VLC_EGENERIC;
2213 if( p_stream->p_sys->b_deinterlace )
2215 id->pp_filter[id->i_filter] =
2216 vlc_object_create( p_stream, VLC_OBJECT_FILTER );
2217 vlc_object_attach( id->pp_filter[id->i_filter], p_stream );
2219 id->pp_filter[id->i_filter]->pf_vout_buffer_new =
2220 video_new_buffer_filter;
2221 id->pp_filter[id->i_filter]->pf_vout_buffer_del =
2222 video_del_buffer_filter;
2224 id->pp_filter[id->i_filter]->fmt_in = id->p_decoder->fmt_out;
2225 id->pp_filter[id->i_filter]->fmt_out = id->p_decoder->fmt_out;
2226 id->pp_filter[id->i_filter]->p_cfg = p_sys->p_deinterlace_cfg;
2227 id->pp_filter[id->i_filter]->p_module =
2228 module_Need( id->pp_filter[id->i_filter],
2229 "video filter2", p_sys->psz_deinterlace,
2231 if( id->pp_filter[id->i_filter]->p_module )
2233 id->pp_filter[id->i_filter]->p_owner =
2234 malloc( sizeof(filter_owner_sys_t) );
2235 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2236 id->pp_filter[id->i_filter]->p_owner->pp_pics[i] = 0;
2237 id->pp_filter[id->i_filter]->p_owner->p_sys = p_sys;
2243 msg_Dbg( p_stream, "no video filter found" );
2244 vlc_object_detach( id->pp_filter[id->i_filter] );
2245 vlc_object_destroy( id->pp_filter[id->i_filter] );
2249 /* Check if we need a filter for chroma conversion or resizing */
2250 if( id->p_decoder->fmt_out.video.i_chroma !=
2251 id->p_encoder->fmt_in.video.i_chroma ||
2253 (int)id->p_decoder->fmt_out.video.i_width != p_sys->i_crop_width ||
2254 p_sys->i_crop_width != p_sys->i_nopadd_width ||
2255 p_sys->i_nopadd_width != (int)id->p_encoder->fmt_out.video.i_width ||
2257 (int)id->p_decoder->fmt_out.video.i_height != p_sys->i_crop_height ||
2258 p_sys->i_crop_height != p_sys->i_nopadd_height ||
2259 p_sys->i_nopadd_height != (int)id->p_encoder->fmt_out.video.i_height)
2261 id->pp_filter[id->i_filter] =
2262 vlc_object_create( p_stream, VLC_OBJECT_FILTER );
2263 vlc_object_attach( id->pp_filter[id->i_filter], p_stream );
2265 id->pp_filter[id->i_filter]->pf_vout_buffer_new =
2266 video_new_buffer_filter;
2267 id->pp_filter[id->i_filter]->pf_vout_buffer_del =
2268 video_del_buffer_filter;
2270 id->pp_filter[id->i_filter]->fmt_in = id->p_decoder->fmt_out;
2271 id->pp_filter[id->i_filter]->fmt_out = id->p_encoder->fmt_in;
2272 id->pp_filter[id->i_filter]->p_cfg = NULL;
2274 id->pp_filter[id->i_filter]->fmt_in.video.i_x_offset = p_sys->i_src_x_offset;
2275 id->pp_filter[id->i_filter]->fmt_in.video.i_y_offset = p_sys->i_src_y_offset;
2276 id->pp_filter[id->i_filter]->fmt_in.video.i_visible_width = p_sys->i_crop_width;
2277 id->pp_filter[id->i_filter]->fmt_in.video.i_visible_height = p_sys->i_crop_height;
2279 id->pp_filter[id->i_filter]->fmt_out.video.i_x_offset = p_sys->i_dst_x_offset;
2280 id->pp_filter[id->i_filter]->fmt_out.video.i_y_offset = p_sys->i_dst_y_offset;
2281 id->pp_filter[id->i_filter]->fmt_out.video.i_visible_width = p_sys->i_nopadd_width;
2282 id->pp_filter[id->i_filter]->fmt_out.video.i_visible_height = p_sys->i_nopadd_height;
2284 id->pp_filter[id->i_filter]->p_module =
2285 module_Need( id->pp_filter[id->i_filter],
2286 "crop padd", 0, 0 );
2287 if( id->pp_filter[id->i_filter]->p_module )
2289 id->pp_filter[id->i_filter]->p_owner =
2290 malloc( sizeof(filter_owner_sys_t) );
2291 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2292 id->pp_filter[id->i_filter]->p_owner->pp_pics[i] = 0;
2293 id->pp_filter[id->i_filter]->p_owner->p_sys = p_sys;
2299 msg_Dbg( p_stream, "no video filter found" );
2300 vlc_object_detach( id->pp_filter[id->i_filter] );
2301 vlc_object_destroy( id->pp_filter[id->i_filter] );
2303 p_pic->pf_release( p_pic );
2304 transcode_video_close( p_stream, id );
2305 id->b_transcode = VLC_FALSE;
2306 return VLC_EGENERIC;
2310 for( i = 0; (i < p_sys->i_vfilters) && (id->i_ufilter < TRANSCODE_FILTERS); i++ )
2312 id->pp_ufilter[id->i_ufilter] =
2313 vlc_object_create( p_stream, VLC_OBJECT_FILTER );
2314 vlc_object_attach( id->pp_ufilter[id->i_ufilter], p_stream );
2316 id->pp_ufilter[id->i_ufilter]->pf_vout_buffer_new =
2317 video_new_buffer_filter;
2318 id->pp_ufilter[id->i_ufilter]->pf_vout_buffer_del =
2319 video_del_buffer_filter;
2321 id->pp_ufilter[id->i_ufilter]->fmt_in = id->p_encoder->fmt_in;
2322 id->pp_ufilter[id->i_ufilter]->fmt_out = id->p_encoder->fmt_in;
2323 id->pp_ufilter[id->i_ufilter]->p_cfg = p_sys->p_vfilters_cfg[i];
2324 id->pp_ufilter[id->i_ufilter]->p_module =
2325 module_Need( id->pp_ufilter[id->i_ufilter],
2326 "video filter2", p_sys->psz_vfilters[i], VLC_TRUE );
2327 if( id->pp_ufilter[id->i_ufilter]->p_module )
2329 id->pp_ufilter[id->i_ufilter]->p_owner =
2330 malloc( sizeof(filter_owner_sys_t) );
2331 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2332 id->pp_ufilter[id->i_ufilter]->p_owner->pp_pics[i] = 0;
2333 id->pp_ufilter[id->i_ufilter]->p_owner->p_sys = p_sys;
2338 msg_Dbg( p_stream, "no video filter found" );
2339 vlc_object_detach( id->pp_ufilter[id->i_ufilter] );
2340 vlc_object_destroy( id->pp_ufilter[id->i_ufilter] );
2341 id->pp_ufilter[id->i_ufilter] = NULL;
2346 /* Run filter chain */
2347 for( i = 0; i < id->i_filter; i++ )
2349 p_pic = id->pp_filter[i]->pf_video_filter(id->pp_filter[i], p_pic);
2356 /* Check if we have a subpicture to overlay */
2359 p_subpic = spu_SortSubpictures( p_sys->p_spu, p_pic->date,
2360 VLC_FALSE /* Fixme: check if stream is paused */ );
2361 /* TODO: get another pic */
2364 /* Overlay subpicture */
2367 int i_scale_width, i_scale_height;
2368 video_format_t *p_fmt;
2370 i_scale_width = id->p_encoder->fmt_in.video.i_width * 1000 /
2371 id->p_decoder->fmt_out.video.i_width;
2372 i_scale_height = id->p_encoder->fmt_in.video.i_height * 1000 /
2373 id->p_decoder->fmt_out.video.i_height;
2375 if( p_pic->i_refcount && !id->i_filter )
2377 /* We can't modify the picture, we need to duplicate it */
2378 picture_t *p_tmp = video_new_buffer_decoder( id->p_decoder );
2381 vout_CopyPicture( p_stream, p_tmp, p_pic );
2382 p_pic->pf_release( p_pic );
2388 p_fmt = &id->pp_filter[id->i_filter -1]->fmt_out.video;
2390 p_fmt = &id->p_decoder->fmt_out.video;
2392 /* FIXME (shouldn't have to be done here) */
2393 p_fmt->i_sar_num = p_fmt->i_aspect *
2394 p_fmt->i_height / p_fmt->i_width;
2395 p_fmt->i_sar_den = VOUT_ASPECT_FACTOR;
2397 spu_RenderSubpictures( p_sys->p_spu, p_fmt, p_pic, p_pic, p_subpic,
2398 i_scale_width, i_scale_height );
2401 /* Run user specified filter chain */
2402 for( i = 0; i < id->i_ufilter; i++ )
2404 p_pic = id->pp_ufilter[i]->pf_video_filter( id->pp_ufilter[i],
2408 if( p_sys->i_threads == 0 )
2411 p_block = id->p_encoder->pf_encode_video( id->p_encoder, p_pic );
2412 block_ChainAppend( out, p_block );
2415 if( p_sys->b_master_sync )
2417 mtime_t i_pts = date_Get( &id->interpolated_pts ) + 1;
2418 if ( p_pic->date - i_pts > MASTER_SYNC_MAX_DRIFT
2419 || p_pic->date - i_pts < -MASTER_SYNC_MAX_DRIFT )
2421 msg_Dbg( p_stream, "drift is too high, resetting master sync" );
2422 date_Set( &id->interpolated_pts, p_pic->date );
2423 i_pts = p_pic->date + 1;
2425 date_Increment( &id->interpolated_pts, 1 );
2428 if( p_sys->b_master_sync && i_duplicate > 1 )
2430 mtime_t i_pts = date_Get( &id->interpolated_pts ) + 1;
2431 if( (p_pic->date - i_pts > MASTER_SYNC_MAX_DRIFT)
2432 || ((p_pic->date - i_pts) < -MASTER_SYNC_MAX_DRIFT) )
2434 msg_Dbg( p_stream, "drift is too high, resetting master sync" );
2435 date_Set( &id->interpolated_pts, p_pic->date );
2436 i_pts = p_pic->date + 1;
2438 date_Increment( &id->interpolated_pts, 1 );
2440 if( p_sys->i_threads >= 1 )
2442 /* We can't modify the picture, we need to duplicate it */
2443 p_pic2 = video_new_buffer_decoder( id->p_decoder );
2444 if( p_pic2 != NULL )
2446 vout_CopyPicture( p_stream, p_pic2, p_pic );
2447 p_pic2->date = i_pts;
2453 p_pic->date = i_pts;
2454 p_block = id->p_encoder->pf_encode_video(id->p_encoder, p_pic);
2455 block_ChainAppend( out, p_block );
2459 if( p_sys->i_threads == 0 )
2461 p_pic->pf_release( p_pic );
2465 vlc_mutex_lock( &p_sys->lock_out );
2466 p_sys->pp_pics[p_sys->i_last_pic++] = p_pic;
2467 p_sys->i_last_pic %= PICTURE_RING_SIZE;
2468 *out = p_sys->p_buffers;
2469 p_sys->p_buffers = NULL;
2470 if( p_pic2 != NULL )
2472 p_sys->pp_pics[p_sys->i_last_pic++] = p_pic2;
2473 p_sys->i_last_pic %= PICTURE_RING_SIZE;
2475 vlc_cond_signal( &p_sys->cond );
2476 vlc_mutex_unlock( &p_sys->lock_out );
2483 static int EncoderThread( sout_stream_sys_t *p_sys )
2485 sout_stream_id_t *id = p_sys->id_video;
2488 while( !p_sys->b_die && !p_sys->b_error )
2492 vlc_mutex_lock( &p_sys->lock_out );
2493 while( p_sys->i_last_pic == p_sys->i_first_pic )
2495 vlc_cond_wait( &p_sys->cond, &p_sys->lock_out );
2496 if( p_sys->b_die || p_sys->b_error ) break;
2498 if( p_sys->b_die || p_sys->b_error )
2500 vlc_mutex_unlock( &p_sys->lock_out );
2504 p_pic = p_sys->pp_pics[p_sys->i_first_pic++];
2505 p_sys->i_first_pic %= PICTURE_RING_SIZE;
2506 vlc_mutex_unlock( &p_sys->lock_out );
2508 p_block = id->p_encoder->pf_encode_video( id->p_encoder, p_pic );
2509 vlc_mutex_lock( &p_sys->lock_out );
2510 block_ChainAppend( &p_sys->p_buffers, p_block );
2512 vlc_mutex_unlock( &p_sys->lock_out );
2513 p_pic->pf_release( p_pic );
2516 while( p_sys->i_last_pic != p_sys->i_first_pic )
2518 p_pic = p_sys->pp_pics[p_sys->i_first_pic++];
2519 p_sys->i_first_pic %= PICTURE_RING_SIZE;
2520 p_pic->pf_release( p_pic );
2522 block_ChainRelease( p_sys->p_buffers );
2527 struct picture_sys_t
2529 vlc_object_t *p_owner;
2532 static void video_release_buffer( picture_t *p_pic )
2534 if( p_pic && !p_pic->i_refcount && p_pic->pf_release && p_pic->p_sys )
2536 video_del_buffer_decoder( (decoder_t *)p_pic->p_sys->p_owner, p_pic );
2538 else if( p_pic && p_pic->i_refcount > 0 ) p_pic->i_refcount--;
2541 static picture_t *video_new_buffer( vlc_object_t *p_this, picture_t **pp_ring,
2542 sout_stream_sys_t *p_sys )
2544 decoder_t *p_dec = (decoder_t *)p_this;
2548 /* Find an empty space in the picture ring buffer */
2549 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2551 if( pp_ring[i] != 0 && pp_ring[i]->i_status == DESTROYED_PICTURE )
2553 pp_ring[i]->i_status = RESERVED_PICTURE;
2557 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2559 if( pp_ring[i] == 0 ) break;
2562 if( i == PICTURE_RING_SIZE && p_sys->i_threads >= 1 )
2564 int i_first_pic = p_sys->i_first_pic;
2566 if( p_sys->i_first_pic != p_sys->i_last_pic )
2568 /* Encoder still has stuff to encode, wait to clear-up the list */
2569 while( p_sys->i_first_pic == i_first_pic )
2573 /* Find an empty space in the picture ring buffer */
2574 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2576 if( pp_ring[i] != 0 && pp_ring[i]->i_status == DESTROYED_PICTURE )
2578 pp_ring[i]->i_status = RESERVED_PICTURE;
2582 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2584 if( pp_ring[i] == 0 ) break;
2588 if( i == PICTURE_RING_SIZE )
2590 msg_Err( p_this, "decoder/filter is leaking pictures, "
2591 "resetting its ring buffer" );
2593 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2595 pp_ring[i]->pf_release( pp_ring[i] );
2601 p_pic = malloc( sizeof(picture_t) );
2602 if( !p_pic ) return NULL;
2603 p_dec->fmt_out.video.i_chroma = p_dec->fmt_out.i_codec;
2604 vout_AllocatePicture( VLC_OBJECT(p_dec), p_pic,
2605 p_dec->fmt_out.video.i_chroma,
2606 p_dec->fmt_out.video.i_width,
2607 p_dec->fmt_out.video.i_height,
2608 p_dec->fmt_out.video.i_aspect );
2610 if( !p_pic->i_planes )
2616 p_pic->pf_release = video_release_buffer;
2617 p_pic->p_sys = malloc( sizeof(picture_sys_t) );
2624 p_pic->p_sys->p_owner = p_this;
2625 p_pic->i_status = RESERVED_PICTURE;
2631 static picture_t *video_new_buffer_decoder( decoder_t *p_dec )
2633 return video_new_buffer( VLC_OBJECT(p_dec),
2634 p_dec->p_owner->pp_pics, p_dec->p_owner->p_sys );
2637 static picture_t *video_new_buffer_filter( filter_t *p_filter )
2639 return video_new_buffer( VLC_OBJECT(p_filter),
2640 p_filter->p_owner->pp_pics,
2641 p_filter->p_owner->p_sys );
2644 static void video_del_buffer( vlc_object_t *p_this, picture_t *p_pic )
2646 if( p_pic && p_pic->p_data_orig ) free( p_pic->p_data_orig );
2647 if( p_pic && p_pic->p_sys ) free( p_pic->p_sys );
2648 if( p_pic ) free( p_pic );
2651 static void video_del_buffer_decoder( decoder_t *p_decoder, picture_t *p_pic )
2653 p_pic->i_refcount = 0;
2654 p_pic->i_status = DESTROYED_PICTURE;
2657 static void video_del_buffer_filter( filter_t *p_filter, picture_t *p_pic )
2659 p_pic->i_refcount = 0;
2660 p_pic->i_status = DESTROYED_PICTURE;
2663 static void video_link_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
2665 p_pic->i_refcount++;
2668 static void video_unlink_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
2670 video_release_buffer( p_pic );
2676 static subpicture_t *spu_new_buffer( decoder_t * );
2677 static void spu_del_buffer( decoder_t *, subpicture_t * );
2679 static int transcode_spu_new( sout_stream_t *p_stream, sout_stream_id_t *id )
2681 sout_stream_sys_t *p_sys = p_stream->p_sys;
2687 /* Initialization of decoder structures */
2688 id->p_decoder->pf_decode_sub = NULL;
2689 id->p_decoder->pf_spu_buffer_new = spu_new_buffer;
2690 id->p_decoder->pf_spu_buffer_del = spu_del_buffer;
2691 id->p_decoder->p_owner = (decoder_owner_sys_t *)p_stream;
2692 /* id->p_decoder->p_cfg = p_sys->p_spu_cfg; */
2694 id->p_decoder->p_module =
2695 module_Need( id->p_decoder, "decoder", "$codec", 0 );
2697 if( !id->p_decoder->p_module )
2699 msg_Err( p_stream, "cannot find decoder" );
2700 return VLC_EGENERIC;
2703 if( !p_sys->b_soverlay )
2706 /* Initialization of encoder format structures */
2707 es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
2708 id->p_decoder->fmt_in.i_codec );
2710 id->p_encoder->p_cfg = p_sys->p_spu_cfg;
2712 id->p_encoder->p_module =
2713 module_Need( id->p_encoder, "encoder", p_sys->psz_senc, VLC_TRUE );
2715 if( !id->p_encoder->p_module )
2717 module_Unneed( id->p_decoder, id->p_decoder->p_module );
2718 msg_Err( p_stream, "cannot find encoder (%s)", p_sys->psz_senc );
2719 return VLC_EGENERIC;
2725 p_sys->p_spu = spu_Create( p_stream );
2726 spu_Init( p_sys->p_spu );
2732 static void transcode_spu_close( sout_stream_t *p_stream, sout_stream_id_t *id)
2735 if( id->p_decoder->p_module )
2736 module_Unneed( id->p_decoder, id->p_decoder->p_module );
2739 if( id->p_encoder->p_module )
2740 module_Unneed( id->p_encoder, id->p_encoder->p_module );
2743 static int transcode_spu_process( sout_stream_t *p_stream,
2744 sout_stream_id_t *id,
2745 block_t *in, block_t **out )
2747 sout_stream_sys_t *p_sys = p_stream->p_sys;
2748 subpicture_t *p_subpic;
2751 p_subpic = id->p_decoder->pf_decode_sub( id->p_decoder, &in );
2753 return VLC_EGENERIC;
2755 sout_UpdateStatistic( p_stream->p_sout, SOUT_STATISTIC_DECODED_SUBTITLE, 1 );
2757 if( p_sys->b_master_sync && p_sys->i_master_drift )
2759 p_subpic->i_start -= p_sys->i_master_drift;
2760 if( p_subpic->i_stop ) p_subpic->i_stop -= p_sys->i_master_drift;
2763 if( p_sys->b_soverlay )
2765 spu_DisplaySubpicture( p_sys->p_spu, p_subpic );
2771 p_block = id->p_encoder->pf_encode_sub( id->p_encoder, p_subpic );
2772 spu_del_buffer( id->p_decoder, p_subpic );
2775 block_ChainAppend( out, p_block );
2780 return VLC_EGENERIC;
2783 static subpicture_t *spu_new_buffer( decoder_t *p_dec )
2785 sout_stream_t *p_stream = (sout_stream_t *)p_dec->p_owner;
2786 return spu_CreateSubpicture( p_stream->p_sys->p_spu );
2789 static void spu_del_buffer( decoder_t *p_dec, subpicture_t *p_subpic )
2791 sout_stream_t *p_stream = (sout_stream_t *)p_dec->p_owner;
2792 spu_DestroySubpicture( p_stream->p_sys->p_spu, p_subpic );
2798 static int transcode_osd_new( sout_stream_t *p_stream, sout_stream_id_t *id )
2800 sout_stream_sys_t *p_sys = p_stream->p_sys;
2802 id->p_decoder->fmt_in.i_cat = SPU_ES;
2803 id->p_encoder->fmt_out.psz_language = strdup( "osd" );
2805 if( p_sys->i_osdcodec != 0 || p_sys->psz_osdenc )
2807 msg_Dbg( p_stream, "creating osdmenu transcoding from fcc=`%4.4s' "
2808 "to fcc=`%4.4s'", (char*)&id->p_encoder->fmt_out.i_codec,
2809 (char*)&p_sys->i_osdcodec );
2811 /* Complete destination format */
2812 id->p_encoder->fmt_out.i_codec = p_sys->i_osdcodec;
2815 es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
2816 VLC_FOURCC('Y','U','V','A') );
2817 id->p_encoder->fmt_in.psz_language = strdup( "osd" );
2819 id->p_encoder->p_cfg = p_sys->p_osd_cfg;
2821 id->p_encoder->p_module =
2822 module_Need( id->p_encoder, "encoder", p_sys->psz_osdenc, VLC_TRUE );
2824 if( !id->p_encoder->p_module )
2826 msg_Err( p_stream, "cannot find encoder (%s)", p_sys->psz_osdenc );
2830 /* open output stream */
2831 id->id = p_sys->p_out->pf_add( p_sys->p_out, &id->p_encoder->fmt_out );
2832 id->b_transcode = VLC_TRUE;
2834 if( !id->id ) goto error;
2838 msg_Dbg( p_stream, "not transcoding a stream (fcc=`%4.4s')",
2839 (char*)&id->p_decoder->fmt_out.i_codec );
2840 id->id = p_sys->p_out->pf_add( p_sys->p_out, &id->p_decoder->fmt_out );
2841 id->b_transcode = VLC_FALSE;
2843 if( !id->id ) goto error;
2848 p_sys->p_spu = spu_Create( p_stream );
2849 spu_Init( p_sys->p_spu );
2855 msg_Err( p_stream, "starting osd encoding thread failed" );
2856 if( id->p_encoder->p_module )
2857 module_Unneed( id->p_encoder, id->p_encoder->p_module );
2858 p_sys->b_osd = VLC_FALSE;
2859 return VLC_EGENERIC;
2862 static void transcode_osd_close( sout_stream_t *p_stream, sout_stream_id_t *id)
2864 sout_stream_sys_t *p_sys = p_stream->p_sys;
2867 if( p_sys->b_osd && id )
2869 if( id->p_encoder->p_module )
2870 module_Unneed( id->p_encoder, id->p_encoder->p_module );
2872 p_sys->b_osd = VLC_FALSE;
2875 static int transcode_osd_process( sout_stream_t *p_stream,
2876 sout_stream_id_t *id,
2877 block_t *in, block_t **out )
2879 sout_stream_sys_t *p_sys = p_stream->p_sys;
2880 subpicture_t *p_subpic = NULL;
2882 /* Check if we have a subpicture to send */
2883 if( p_sys->p_spu && in->i_dts > 0)
2885 p_subpic = spu_SortSubpictures( p_sys->p_spu, in->i_dts, VLC_FALSE );
2889 msg_Warn( p_stream, "spu channel not initialized, doing it now" );
2892 p_sys->p_spu = spu_Create( p_stream );
2893 spu_Init( p_sys->p_spu );
2899 block_t *p_block = NULL;
2901 if( p_sys->b_master_sync && p_sys->i_master_drift )
2903 p_subpic->i_start -= p_sys->i_master_drift;
2904 if( p_subpic->i_stop ) p_subpic->i_stop -= p_sys->i_master_drift;
2907 p_block = id->p_encoder->pf_encode_sub( id->p_encoder, p_subpic );
2908 spu_DestroySubpicture( p_sys->p_spu, p_subpic );
2911 p_block->i_dts = p_block->i_pts = in->i_dts;
2912 block_ChainAppend( out, p_block );
2916 return VLC_EGENERIC;