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
44 #include "../../src/input/input_internal.h"
46 /*****************************************************************************
48 *****************************************************************************/
49 #define VENC_TEXT N_("Video encoder")
50 #define VENC_LONGTEXT N_( \
51 "This is the video encoder module that will be used (and its associated "\
53 #define VCODEC_TEXT N_("Destination video codec")
54 #define VCODEC_LONGTEXT N_( \
55 "This is the video codec that will be used.")
56 #define VB_TEXT N_("Video bitrate")
57 #define VB_LONGTEXT N_( \
58 "Target bitrate of the transcoded video stream." )
59 #define SCALE_TEXT N_("Video scaling")
60 #define SCALE_LONGTEXT N_( \
61 "Scale factor to apply to the video while transcoding (eg: 0.25)")
62 #define FPS_TEXT N_("Video frame-rate")
63 #define FPS_LONGTEXT N_( \
64 "Target output frame rate for the video stream." )
65 #define DEINTERLACE_TEXT N_("Deinterlace video")
66 #define DEINTERLACE_LONGTEXT N_( \
67 "Deinterlace the video before encoding." )
68 #define DEINTERLACE_MODULE_TEXT N_("Deinterlace module")
69 #define DEINTERLACE_MODULE_LONGTEXT N_( \
70 "Specify the deinterlace module to use." )
71 #define WIDTH_TEXT N_("Video width")
72 #define WIDTH_LONGTEXT N_( \
73 "Output video width." )
74 #define HEIGHT_TEXT N_("Video height")
75 #define HEIGHT_LONGTEXT N_( \
76 "Output video height." )
77 #define MAXWIDTH_TEXT N_("Maximum video width")
78 #define MAXWIDTH_LONGTEXT N_( \
79 "Maximum output video width." )
80 #define MAXHEIGHT_TEXT N_("Maximum video height")
81 #define MAXHEIGHT_LONGTEXT N_( \
82 "Maximum output video height." )
83 #define VFILTER_TEXT N_("Video filter")
84 #define VFILTER_LONGTEXT N_( \
85 "Video filters will be applied to the video streams (after overlays " \
86 "are applied). You must enter a comma-separated list of filters." )
88 #define CROPTOP_TEXT N_("Video crop (top)")
89 #define CROPTOP_LONGTEXT N_( \
90 "Number of pixels to crop at the top of the video." )
91 #define CROPLEFT_TEXT N_("Video crop (left)")
92 #define CROPLEFT_LONGTEXT N_( \
93 "Number of pixels to crop at the left of the video." )
94 #define CROPBOTTOM_TEXT N_("Video crop (bottom)")
95 #define CROPBOTTOM_LONGTEXT N_( \
96 "Number of pixels to crop at the bottom of the video." )
97 #define CROPRIGHT_TEXT N_("Video crop (right)")
98 #define CROPRIGHT_LONGTEXT N_( \
99 "Number of pixels to crop at the right of the video." )
101 #define PADDTOP_TEXT N_("Video padding (top)")
102 #define PADDTOP_LONGTEXT N_( \
103 "Size of the black border to add at the top of the video." )
104 #define PADDLEFT_TEXT N_("Video padding (left)")
105 #define PADDLEFT_LONGTEXT N_( \
106 "Size of the black border to add at the left of the video." )
107 #define PADDBOTTOM_TEXT N_("Video padding (bottom)")
108 #define PADDBOTTOM_LONGTEXT N_( \
109 "Size of the black border to add at the bottom of the video." )
110 #define PADDRIGHT_TEXT N_("Video padding (right)")
111 #define PADDRIGHT_LONGTEXT N_( \
112 "Size of the black border to add at the right of the video." )
114 #define CANVAS_WIDTH_TEXT N_("Video canvas width")
115 #define CANVAS_WIDTH_LONGTEXT N_( \
116 "This will automatically crod and pad the video to a specified width." )
117 #define CANVAS_HEIGHT_TEXT N_("Video canvas height")
118 #define CANVAS_HEIGHT_LONGTEXT N_( \
119 "This will automatically crod and pad the video to a specified height." )
120 #define CANVAS_ASPECT_TEXT N_("Video canvas aspect ratio")
121 #define CANVAS_ASPECT_LONGTEXT N_( \
122 "This sets aspect (like 4:3) of the video canvas and letterbox the video "\
125 #define AENC_TEXT N_("Audio encoder")
126 #define AENC_LONGTEXT N_( \
127 "This is the audio encoder module that will be used (and its associated "\
129 #define ACODEC_TEXT N_("Destination audio codec")
130 #define ACODEC_LONGTEXT N_( \
131 "This is the audio codec that will be used.")
132 #define AB_TEXT N_("Audio bitrate")
133 #define AB_LONGTEXT N_( \
134 "Target bitrate of the transcoded audio stream." )
135 #define ARATE_TEXT N_("Audio sample rate")
136 #define ARATE_LONGTEXT N_( \
137 "Sample rate of the transcoded audio stream (11250, 22500, 44100 or 48000).")
138 #define ACHANS_TEXT N_("Audio channels")
139 #define ACHANS_LONGTEXT N_( \
140 "Number of audio channels in the transcoded streams." )
141 #define AFILTER_TEXT N_("Audio filter")
142 #define AFILTER_LONGTEXT N_( \
143 "Audio filters will be applied to the audio streams (after conversion " \
144 "filters are applied). You must enter a comma-separated list of filters." )
146 #define SENC_TEXT N_("Subtitles encoder")
147 #define SENC_LONGTEXT N_( \
148 "This is the subtitles encoder module that will be used (and its " \
149 "associated options)." )
150 #define SCODEC_TEXT N_("Destination subtitles codec")
151 #define SCODEC_LONGTEXT N_( \
152 "This is the subtitles codec that will be used." )
154 #define SFILTER_TEXT N_("Overlays")
155 #define SFILTER_LONGTEXT N_( \
156 "This allows you to add overlays (also known as \"subpictures\" on the "\
157 "transcoded video stream. The subpictures produced by the filters will "\
158 "be overlayed directly onto the video. You must specify a comma-separated "\
159 "list of subpicture modules" )
161 #define OSD_TEXT N_("OSD menu")
162 #define OSD_LONGTEXT N_(\
163 "Stream the On Screen Display menu (using the osdmenu subpicture module)." )
165 #define THREADS_TEXT N_("Number of threads")
166 #define THREADS_LONGTEXT N_( \
167 "Number of threads used for the transcoding." )
168 #define HP_TEXT N_("High priority")
169 #define HP_LONGTEXT N_( \
170 "Runs the optional encoder thread at the OUTPUT priority instead of " \
173 #define ASYNC_TEXT N_("Synchronise on audio track")
174 #define ASYNC_LONGTEXT N_( \
175 "This option will drop/duplicate video frames to synchronise the video " \
176 "track on the audio track." )
178 #define HURRYUP_TEXT N_( "Hurry up" )
179 #define HURRYUP_LONGTEXT N_( "The transcoder will drop frames if your CPU " \
180 "can't keep up with the encoding rate." )
182 static const char *ppsz_deinterlace_type[] =
184 "deinterlace", "ffmpeg-deinterlace"
187 static int Open ( vlc_object_t * );
188 static void Close( vlc_object_t * );
190 #define SOUT_CFG_PREFIX "sout-transcode-"
193 set_shortname( _("Transcode"));
194 set_description( _("Transcode stream output") );
195 set_capability( "sout stream", 50 );
196 add_shortcut( "transcode" );
197 set_callbacks( Open, Close );
198 set_category( CAT_SOUT );
199 set_subcategory( SUBCAT_SOUT_STREAM );
200 set_section( N_("Video"), NULL );
201 add_string( SOUT_CFG_PREFIX "venc", NULL, NULL, VENC_TEXT,
202 VENC_LONGTEXT, VLC_FALSE );
203 add_string( SOUT_CFG_PREFIX "vcodec", NULL, NULL, VCODEC_TEXT,
204 VCODEC_LONGTEXT, VLC_FALSE );
205 add_integer( SOUT_CFG_PREFIX "vb", 800 * 1000, NULL, VB_TEXT,
206 VB_LONGTEXT, VLC_FALSE );
207 add_float( SOUT_CFG_PREFIX "scale", 1, NULL, SCALE_TEXT,
208 SCALE_LONGTEXT, VLC_FALSE );
209 add_float( SOUT_CFG_PREFIX "fps", 0, NULL, FPS_TEXT,
210 FPS_LONGTEXT, VLC_FALSE );
211 add_bool( SOUT_CFG_PREFIX "hurry-up", VLC_TRUE, NULL, HURRYUP_TEXT,
212 HURRYUP_LONGTEXT, VLC_FALSE );
213 add_bool( SOUT_CFG_PREFIX "deinterlace", 0, NULL, DEINTERLACE_TEXT,
214 DEINTERLACE_LONGTEXT, VLC_FALSE );
215 add_string( SOUT_CFG_PREFIX "deinterlace-module", "deinterlace", NULL,
216 DEINTERLACE_MODULE_TEXT, DEINTERLACE_MODULE_LONGTEXT,
218 change_string_list( ppsz_deinterlace_type, 0, 0 );
219 add_integer( SOUT_CFG_PREFIX "width", 0, NULL, WIDTH_TEXT,
220 WIDTH_LONGTEXT, VLC_TRUE );
221 add_integer( SOUT_CFG_PREFIX "height", 0, NULL, HEIGHT_TEXT,
222 HEIGHT_LONGTEXT, VLC_TRUE );
223 add_integer( SOUT_CFG_PREFIX "maxwidth", 0, NULL, MAXWIDTH_TEXT,
224 MAXWIDTH_LONGTEXT, VLC_TRUE );
225 add_integer( SOUT_CFG_PREFIX "maxheight", 0, NULL, MAXHEIGHT_TEXT,
226 MAXHEIGHT_LONGTEXT, VLC_TRUE );
227 add_module_list( SOUT_CFG_PREFIX "vfilter", "video filter2",
229 VFILTER_TEXT, VFILTER_LONGTEXT, VLC_FALSE );
231 add_integer( SOUT_CFG_PREFIX "croptop", 0, NULL, CROPTOP_TEXT,
232 CROPTOP_LONGTEXT, VLC_TRUE );
233 add_integer( SOUT_CFG_PREFIX "cropleft", 0, NULL, CROPLEFT_TEXT,
234 CROPLEFT_LONGTEXT, VLC_TRUE );
235 add_integer( SOUT_CFG_PREFIX "cropbottom", 0, NULL, CROPBOTTOM_TEXT,
236 CROPBOTTOM_LONGTEXT, VLC_TRUE );
237 add_integer( SOUT_CFG_PREFIX "cropright", 0, NULL, CROPRIGHT_TEXT,
238 CROPRIGHT_LONGTEXT, VLC_TRUE );
240 add_integer( SOUT_CFG_PREFIX "paddtop", 0, NULL, PADDTOP_TEXT,
241 PADDTOP_LONGTEXT, VLC_TRUE );
242 add_integer( SOUT_CFG_PREFIX "paddleft", 0, NULL, PADDLEFT_TEXT,
243 PADDLEFT_LONGTEXT, VLC_TRUE );
244 add_integer( SOUT_CFG_PREFIX "paddbottom", 0, NULL, PADDBOTTOM_TEXT,
245 PADDBOTTOM_LONGTEXT, VLC_TRUE );
246 add_integer( SOUT_CFG_PREFIX "paddright", 0, NULL, PADDRIGHT_TEXT,
247 PADDRIGHT_LONGTEXT, VLC_TRUE );
249 add_integer( SOUT_CFG_PREFIX "canvas-width", 0, NULL, CANVAS_WIDTH_TEXT,
250 CANVAS_WIDTH_LONGTEXT, VLC_TRUE );
251 add_integer( SOUT_CFG_PREFIX "canvas-height", 0, NULL, CANVAS_HEIGHT_TEXT,
252 CANVAS_HEIGHT_LONGTEXT, VLC_TRUE );
253 add_string( SOUT_CFG_PREFIX "canvas-aspect", NULL, NULL, CANVAS_ASPECT_TEXT,
254 CANVAS_ASPECT_LONGTEXT, VLC_FALSE );
256 set_section( N_("Audio"), NULL );
257 add_string( SOUT_CFG_PREFIX "aenc", NULL, NULL, AENC_TEXT,
258 AENC_LONGTEXT, VLC_FALSE );
259 add_string( SOUT_CFG_PREFIX "acodec", NULL, NULL, ACODEC_TEXT,
260 ACODEC_LONGTEXT, VLC_FALSE );
261 add_integer( SOUT_CFG_PREFIX "ab", 0, NULL, AB_TEXT,
262 AB_LONGTEXT, VLC_FALSE );
263 add_integer( SOUT_CFG_PREFIX "channels", 0, NULL, ACHANS_TEXT,
264 ACHANS_LONGTEXT, VLC_FALSE );
265 add_integer( SOUT_CFG_PREFIX "samplerate", 0, NULL, ARATE_TEXT,
266 ARATE_LONGTEXT, VLC_TRUE );
267 add_bool( SOUT_CFG_PREFIX "audio-sync", 0, NULL, ASYNC_TEXT,
268 ASYNC_LONGTEXT, VLC_FALSE );
269 add_module_list_cat( SOUT_CFG_PREFIX "afilter", SUBCAT_AUDIO_MISC,
271 AFILTER_TEXT, AFILTER_LONGTEXT, VLC_FALSE );
273 set_section( N_("Overlays/Subtitles"), NULL );
274 add_string( SOUT_CFG_PREFIX "senc", NULL, NULL, SENC_TEXT,
275 SENC_LONGTEXT, VLC_FALSE );
276 add_string( SOUT_CFG_PREFIX "scodec", NULL, NULL, SCODEC_TEXT,
277 SCODEC_LONGTEXT, VLC_FALSE );
278 add_bool( SOUT_CFG_PREFIX "soverlay", 0, NULL, SCODEC_TEXT,
279 SCODEC_LONGTEXT, VLC_FALSE );
280 add_module_list_cat( SOUT_CFG_PREFIX "sfilter", SUBCAT_VIDEO_SUBPIC,
282 SFILTER_TEXT, SFILTER_LONGTEXT, VLC_FALSE );
284 set_section( N_("On Screen Display"), NULL );
285 add_bool( SOUT_CFG_PREFIX "osd", 0, NULL, OSD_TEXT,
286 OSD_LONGTEXT, VLC_FALSE );
288 set_section( N_("Miscellaneous"), NULL );
289 add_integer( SOUT_CFG_PREFIX "threads", 0, NULL, THREADS_TEXT,
290 THREADS_LONGTEXT, VLC_TRUE );
291 add_bool( SOUT_CFG_PREFIX "high-priority", 0, NULL, HP_TEXT, HP_LONGTEXT,
296 static const char *ppsz_sout_options[] = {
297 "venc", "vcodec", "vb", "croptop", "cropbottom", "cropleft", "cropright",
298 "paddtop", "paddbottom", "paddleft", "paddright",
299 "canvas-width", "canvas-height", "canvas-aspect",
300 "scale", "fps", "width", "height", "vfilter", "deinterlace",
301 "deinterlace-module", "threads", "hurry-up", "aenc", "acodec", "ab",
302 "afilter", "samplerate", "channels", "senc", "scodec", "soverlay",
303 "sfilter", "osd", "audio-sync", "high-priority", "maxwidth", "maxheight",
307 /*****************************************************************************
308 * Exported prototypes
309 *****************************************************************************/
310 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
311 static int Del ( sout_stream_t *, sout_stream_id_t * );
312 static int Send( sout_stream_t *, sout_stream_id_t *, block_t* );
314 static int transcode_audio_new ( sout_stream_t *, sout_stream_id_t * );
315 static void transcode_audio_close ( sout_stream_t *, sout_stream_id_t * );
316 static int transcode_audio_process( sout_stream_t *, sout_stream_id_t *,
317 block_t *, block_t ** );
319 static aout_buffer_t *audio_new_buffer( decoder_t *, int );
320 static void audio_del_buffer( decoder_t *, aout_buffer_t * );
322 static int transcode_video_new ( sout_stream_t *, sout_stream_id_t * );
323 static void transcode_video_close ( sout_stream_t *, sout_stream_id_t * );
324 static int transcode_video_encoder_open( sout_stream_t *, sout_stream_id_t *);
325 static int transcode_video_process( sout_stream_t *, sout_stream_id_t *,
326 block_t *, block_t ** );
328 static void video_del_buffer( vlc_object_t *, picture_t * );
329 static picture_t *video_new_buffer_decoder( decoder_t * );
330 static void video_del_buffer_decoder( decoder_t *, picture_t * );
331 static void video_link_picture_decoder( decoder_t *, picture_t * );
332 static void video_unlink_picture_decoder( decoder_t *, picture_t * );
333 static picture_t *video_new_buffer_filter( filter_t * );
334 static void video_del_buffer_filter( filter_t *, picture_t * );
336 static int transcode_spu_new ( sout_stream_t *, sout_stream_id_t * );
337 static void transcode_spu_close ( sout_stream_t *, sout_stream_id_t * );
338 static int transcode_spu_process( sout_stream_t *, sout_stream_id_t *,
339 block_t *, block_t ** );
341 static int transcode_osd_new ( sout_stream_t *, sout_stream_id_t * );
342 static void transcode_osd_close ( sout_stream_t *, sout_stream_id_t * );
343 static int transcode_osd_process( sout_stream_t *, sout_stream_id_t *,
344 block_t *, block_t ** );
346 static int EncoderThread( struct sout_stream_sys_t * p_sys );
348 static int pi_channels_maps[6] =
351 AOUT_CHAN_CENTER, AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
352 AOUT_CHAN_CENTER | AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
353 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT
354 | AOUT_CHAN_REARRIGHT,
355 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
356 | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT
359 #define PICTURE_RING_SIZE 64
360 #define SUBPICTURE_RING_SIZE 20
361 #define TRANSCODE_FILTERS 10
363 struct sout_stream_sys_t
367 sout_stream_t *p_out;
368 sout_stream_id_t *id_video;
370 vlc_mutex_t lock_out;
372 picture_t * pp_pics[PICTURE_RING_SIZE];
373 int i_first_pic, i_last_pic;
376 vlc_fourcc_t i_acodec; /* codec audio (0 if not transcode) */
378 config_chain_t *p_audio_cfg;
382 char *psz_afilters[TRANSCODE_FILTERS];
383 config_chain_t *p_afilters_cfg[TRANSCODE_FILTERS];
387 vlc_fourcc_t i_vcodec; /* codec video (0 if not transcode) */
389 config_chain_t *p_video_cfg;
393 unsigned int i_width, i_maxwidth;
394 unsigned int i_height, i_maxheight;
395 vlc_bool_t b_deinterlace;
396 char *psz_deinterlace;
397 config_chain_t *p_deinterlace_cfg;
399 vlc_bool_t b_high_priority;
400 vlc_bool_t b_hurry_up;
401 char *psz_vfilters[TRANSCODE_FILTERS];
402 config_chain_t *p_vfilters_cfg[TRANSCODE_FILTERS];
419 /* Video, calculated */
431 vlc_fourcc_t i_scodec; /* codec spu (0 if not transcode) */
433 vlc_bool_t b_soverlay;
434 config_chain_t *p_spu_cfg;
438 vlc_fourcc_t i_osdcodec; /* codec osd menu (0 if not transcode) */
440 config_chain_t *p_osd_cfg;
441 vlc_bool_t b_osd; /* VLC_TRUE when osd es is registered */
444 vlc_bool_t b_master_sync;
445 mtime_t i_master_drift;
448 struct decoder_owner_sys_t
450 picture_t *pp_pics[PICTURE_RING_SIZE];
451 sout_stream_sys_t *p_sys;
453 struct filter_owner_sys_t
455 picture_t *pp_pics[PICTURE_RING_SIZE];
456 sout_stream_sys_t *p_sys;
459 /*****************************************************************************
461 *****************************************************************************/
462 static int Open( vlc_object_t *p_this )
464 sout_stream_t *p_stream = (sout_stream_t*)p_this;
465 sout_stream_sys_t *p_sys;
468 p_sys = vlc_object_create( p_this, sizeof( sout_stream_sys_t ) );
470 p_sys->p_out = sout_StreamNew( p_stream->p_sout, p_stream->psz_next );
473 msg_Err( p_stream, "cannot create chain" );
474 vlc_object_destroy( p_sys );
478 p_sys->i_master_drift = 0;
480 config_ChainParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options,
483 /* Audio transcoding parameters */
484 var_Get( p_stream, SOUT_CFG_PREFIX "aenc", &val );
485 p_sys->psz_aenc = NULL;
486 p_sys->p_audio_cfg = NULL;
487 if( val.psz_string && *val.psz_string )
490 psz_next = config_ChainCreate( &p_sys->psz_aenc, &p_sys->p_audio_cfg,
492 if( psz_next ) free( psz_next );
494 if( val.psz_string ) free( val.psz_string );
496 var_Get( p_stream, SOUT_CFG_PREFIX "acodec", &val );
498 if( val.psz_string && *val.psz_string )
501 memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
502 p_sys->i_acodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
504 if( val.psz_string ) free( val.psz_string );
506 var_Get( p_stream, SOUT_CFG_PREFIX "ab", &val );
507 p_sys->i_abitrate = val.i_int;
508 if( p_sys->i_abitrate < 4000 ) p_sys->i_abitrate *= 1000;
510 var_Get( p_stream, SOUT_CFG_PREFIX "samplerate", &val );
511 p_sys->i_sample_rate = val.i_int;
513 var_Get( p_stream, SOUT_CFG_PREFIX "channels", &val );
514 p_sys->i_channels = val.i_int;
516 if( p_sys->i_acodec )
518 if( p_sys->i_acodec == VLC_FOURCC('m','p','3',0) &&
519 p_sys->i_channels > 2 )
521 msg_Warn( p_stream, "%d channels invalid for mp3, forcing to 2",
523 p_sys->i_channels = 2;
525 msg_Dbg( p_stream, "codec audio=%4.4s %dHz %d channels %dKb/s",
526 (char *)&p_sys->i_acodec, p_sys->i_sample_rate,
527 p_sys->i_channels, p_sys->i_abitrate / 1000 );
530 var_Get( p_stream, SOUT_CFG_PREFIX "afilter", &val );
531 p_sys->i_afilters = 0;
532 if( val.psz_string && *val.psz_string )
534 char *psz_parser = val.psz_string;
536 while( (psz_parser != NULL) && (*psz_parser != '\0')
537 && (p_sys->i_afilters < TRANSCODE_FILTERS) )
539 psz_parser = config_ChainCreate(
540 &p_sys->psz_afilters[p_sys->i_afilters],
541 &p_sys->p_afilters_cfg[p_sys->i_afilters],
544 if( (psz_parser != NULL) && (*psz_parser != '\0') ) psz_parser++;
547 if( val.psz_string ) free( val.psz_string );
548 if( p_sys->i_afilters < TRANSCODE_FILTERS-1 )
550 p_sys->psz_afilters[p_sys->i_afilters] = NULL;
551 p_sys->p_afilters_cfg[p_sys->i_afilters] = NULL;
554 /* Video transcoding parameters */
555 var_Get( p_stream, SOUT_CFG_PREFIX "venc", &val );
556 p_sys->psz_venc = NULL;
557 p_sys->p_video_cfg = NULL;
558 if( val.psz_string && *val.psz_string )
561 psz_next = config_ChainCreate( &p_sys->psz_venc, &p_sys->p_video_cfg,
563 if( psz_next ) free( psz_next );
565 if( val.psz_string ) free( val.psz_string );
567 var_Get( p_stream, SOUT_CFG_PREFIX "vcodec", &val );
569 if( val.psz_string && *val.psz_string )
572 memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
573 p_sys->i_vcodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
575 if( val.psz_string ) free( val.psz_string );
577 var_Get( p_stream, SOUT_CFG_PREFIX "vb", &val );
578 p_sys->i_vbitrate = val.i_int;
579 if( p_sys->i_vbitrate < 16000 ) p_sys->i_vbitrate *= 1000;
581 var_Get( p_stream, SOUT_CFG_PREFIX "scale", &val );
582 p_sys->f_scale = val.f_float;
584 var_Get( p_stream, SOUT_CFG_PREFIX "fps", &val );
585 p_sys->f_fps = val.f_float;
587 var_Get( p_stream, SOUT_CFG_PREFIX "hurry-up", &val );
588 p_sys->b_hurry_up = val.b_bool;
590 var_Get( p_stream, SOUT_CFG_PREFIX "width", &val );
591 p_sys->i_width = val.i_int;
593 var_Get( p_stream, SOUT_CFG_PREFIX "height", &val );
594 p_sys->i_height = val.i_int;
596 var_Get( p_stream, SOUT_CFG_PREFIX "maxwidth", &val );
597 p_sys->i_maxwidth = val.i_int;
599 var_Get( p_stream, SOUT_CFG_PREFIX "maxheight", &val );
600 p_sys->i_maxheight = val.i_int;
602 var_Get( p_stream, SOUT_CFG_PREFIX "vfilter", &val );
603 p_sys->i_vfilters = 0;
604 if( val.psz_string && *val.psz_string )
606 char *psz_parser = val.psz_string;
608 while( (psz_parser != NULL) && (*psz_parser != '\0')
609 && (p_sys->i_vfilters < TRANSCODE_FILTERS) )
611 psz_parser = config_ChainCreate(
612 &p_sys->psz_vfilters[p_sys->i_vfilters],
613 &p_sys->p_vfilters_cfg[p_sys->i_vfilters],
616 if( psz_parser != NULL && *psz_parser != '\0' ) psz_parser++;
619 if( val.psz_string ) free( val.psz_string );
620 if( p_sys->i_vfilters < TRANSCODE_FILTERS-1 )
622 p_sys->psz_vfilters[p_sys->i_vfilters] = NULL;
623 p_sys->p_vfilters_cfg[p_sys->i_vfilters] = NULL;
626 var_Get( p_stream, SOUT_CFG_PREFIX "deinterlace", &val );
627 p_sys->b_deinterlace = val.b_bool;
629 var_Get( p_stream, SOUT_CFG_PREFIX "deinterlace-module", &val );
630 p_sys->psz_deinterlace = NULL;
631 p_sys->p_deinterlace_cfg = NULL;
632 if( val.psz_string && *val.psz_string )
635 psz_next = config_ChainCreate( &p_sys->psz_deinterlace,
636 &p_sys->p_deinterlace_cfg,
638 if( psz_next ) free( psz_next );
640 if( val.psz_string ) free( val.psz_string );
642 var_Get( p_stream, SOUT_CFG_PREFIX "croptop", &val );
643 p_sys->i_crop_top = val.i_int;
644 var_Get( p_stream, SOUT_CFG_PREFIX "cropbottom", &val );
645 p_sys->i_crop_bottom = val.i_int;
646 var_Get( p_stream, SOUT_CFG_PREFIX "cropleft", &val );
647 p_sys->i_crop_left = val.i_int;
648 var_Get( p_stream, SOUT_CFG_PREFIX "cropright", &val );
649 p_sys->i_crop_right = val.i_int;
651 var_Get( p_stream, SOUT_CFG_PREFIX "paddtop", &val );
652 p_sys->i_padd_top = val.i_int;
653 var_Get( p_stream, SOUT_CFG_PREFIX "paddbottom", &val );
654 p_sys->i_padd_bottom = val.i_int;
655 var_Get( p_stream, SOUT_CFG_PREFIX "paddleft", &val );
656 p_sys->i_padd_left = val.i_int;
657 var_Get( p_stream, SOUT_CFG_PREFIX "paddright", &val );
658 p_sys->i_padd_right = val.i_int;
660 var_Get( p_stream, SOUT_CFG_PREFIX "canvas-width", &val );
661 p_sys->i_canvas_width = val.i_int;
662 var_Get( p_stream, SOUT_CFG_PREFIX "canvas-height", &val );
663 p_sys->i_canvas_height = val.i_int;
665 var_Get( p_stream, SOUT_CFG_PREFIX "canvas-aspect", &val );
666 p_sys->i_canvas_aspect = 0;
667 if( val.psz_string && *val.psz_string )
669 char *psz_parser = strchr( val.psz_string, ':' );
672 *psz_parser++ = '\0';
673 p_sys->i_canvas_aspect = atoi( val.psz_string ) *
674 VOUT_ASPECT_FACTOR / atoi( psz_parser );
676 else msg_Warn( p_stream, "bad aspect ratio %s", val.psz_string );
679 if( val.psz_string ) free( val.psz_string );
681 var_Get( p_stream, SOUT_CFG_PREFIX "threads", &val );
682 p_sys->i_threads = val.i_int;
683 var_Get( p_stream, SOUT_CFG_PREFIX "high-priority", &val );
684 p_sys->b_high_priority = val.b_bool;
686 if( p_sys->i_vcodec )
688 msg_Dbg( p_stream, "codec video=%4.4s %dx%d scaling: %f %dkb/s",
689 (char *)&p_sys->i_vcodec, p_sys->i_width, p_sys->i_height,
690 p_sys->f_scale, p_sys->i_vbitrate / 1000 );
693 /* Subpictures transcoding parameters */
695 p_sys->psz_senc = NULL;
696 p_sys->p_spu_cfg = NULL;
699 var_Get( p_stream, SOUT_CFG_PREFIX "senc", &val );
700 if( val.psz_string && *val.psz_string )
703 psz_next = config_ChainCreate( &p_sys->psz_senc, &p_sys->p_spu_cfg,
705 if( psz_next ) free( psz_next );
707 if( val.psz_string ) free( val.psz_string );
709 var_Get( p_stream, SOUT_CFG_PREFIX "scodec", &val );
710 if( val.psz_string && *val.psz_string )
713 memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
714 p_sys->i_scodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
716 if( val.psz_string ) free( val.psz_string );
718 if( p_sys->i_scodec )
720 msg_Dbg( p_stream, "codec spu=%4.4s", (char *)&p_sys->i_scodec );
723 var_Get( p_stream, SOUT_CFG_PREFIX "soverlay", &val );
724 p_sys->b_soverlay = val.b_bool;
726 var_Get( p_stream, SOUT_CFG_PREFIX "sfilter", &val );
727 if( val.psz_string && *val.psz_string )
729 p_sys->p_spu = spu_Create( p_stream );
730 var_Create( p_sys->p_spu, "sub-filter", VLC_VAR_STRING );
731 var_Set( p_sys->p_spu, "sub-filter", val );
732 spu_Init( p_sys->p_spu );
734 if( val.psz_string ) free( val.psz_string );
736 /* OSD menu transcoding parameters */
737 p_sys->psz_osdenc = NULL;
738 p_sys->p_osd_cfg = NULL;
739 p_sys->i_osdcodec = 0;
740 p_sys->b_osd = VLC_FALSE;
742 var_Get( p_stream, SOUT_CFG_PREFIX "osd", &val );
748 psz_next = config_ChainCreate( &p_sys->psz_osdenc,
749 &p_sys->p_osd_cfg, strdup( "dvbsub") );
750 if( psz_next ) free( psz_next );
752 p_sys->i_osdcodec = VLC_FOURCC('Y','U','V','P' );
754 msg_Dbg( p_stream, "codec osd=%4.4s", (char *)&p_sys->i_osdcodec );
758 osd_val.psz_string = strdup("osdmenu");
759 p_sys->p_spu = spu_Create( p_stream );
760 var_Create( p_sys->p_spu, "sub-filter", VLC_VAR_STRING );
761 var_Set( p_sys->p_spu, "sub-filter", osd_val );
762 spu_Init( p_sys->p_spu );
763 if( osd_val.psz_string ) free( osd_val.psz_string );
767 osd_val.psz_string = strdup("osdmenu");
768 var_Set( p_sys->p_spu, "sub-filter", osd_val );
769 if( osd_val.psz_string ) free( osd_val.psz_string );
774 var_Get( p_stream, SOUT_CFG_PREFIX "audio-sync", &val );
775 p_sys->b_master_sync = val.b_bool;
776 if( p_sys->f_fps > 0 ) p_sys->b_master_sync = VLC_TRUE;
778 p_stream->pf_add = Add;
779 p_stream->pf_del = Del;
780 p_stream->pf_send = Send;
781 p_stream->p_sys = p_sys;
786 /*****************************************************************************
788 *****************************************************************************/
789 static void Close( vlc_object_t * p_this )
791 sout_stream_t *p_stream = (sout_stream_t*)p_this;
792 sout_stream_sys_t *p_sys = p_stream->p_sys;
794 sout_StreamDelete( p_sys->p_out );
796 while( p_sys->i_afilters )
799 if( p_sys->psz_afilters[p_sys->i_afilters] )
800 free( p_sys->psz_afilters[p_sys->i_afilters] );
801 if( p_sys->p_afilters_cfg[p_sys->i_afilters] )
802 free( p_sys->p_afilters_cfg[p_sys->i_afilters] );
805 while( p_sys->p_audio_cfg != NULL )
807 config_chain_t *p_next = p_sys->p_audio_cfg->p_next;
809 if( p_sys->p_audio_cfg->psz_name )
810 free( p_sys->p_audio_cfg->psz_name );
811 if( p_sys->p_audio_cfg->psz_value )
812 free( p_sys->p_audio_cfg->psz_value );
813 free( p_sys->p_audio_cfg );
815 p_sys->p_audio_cfg = p_next;
817 if( p_sys->psz_aenc ) free( p_sys->psz_aenc );
819 while( p_sys->i_vfilters )
822 if( p_sys->psz_vfilters[p_sys->i_vfilters] )
823 free( p_sys->psz_vfilters[p_sys->i_vfilters] );
824 if( p_sys->p_vfilters_cfg[p_sys->i_vfilters] )
825 free( p_sys->p_vfilters_cfg[p_sys->i_vfilters] );
828 while( p_sys->p_video_cfg != NULL )
830 config_chain_t *p_next = p_sys->p_video_cfg->p_next;
832 if( p_sys->p_video_cfg->psz_name )
833 free( p_sys->p_video_cfg->psz_name );
834 if( p_sys->p_video_cfg->psz_value )
835 free( p_sys->p_video_cfg->psz_value );
836 free( p_sys->p_video_cfg );
838 p_sys->p_video_cfg = p_next;
840 if( p_sys->psz_venc ) free( p_sys->psz_venc );
842 while( p_sys->p_deinterlace_cfg != NULL )
844 config_chain_t *p_next = p_sys->p_deinterlace_cfg->p_next;
846 if( p_sys->p_deinterlace_cfg->psz_name )
847 free( p_sys->p_deinterlace_cfg->psz_name );
848 if( p_sys->p_deinterlace_cfg->psz_value )
849 free( p_sys->p_deinterlace_cfg->psz_value );
850 free( p_sys->p_deinterlace_cfg );
852 p_sys->p_deinterlace_cfg = p_next;
854 if( p_sys->psz_deinterlace ) free( p_sys->psz_deinterlace );
856 while( p_sys->p_spu_cfg != NULL )
858 config_chain_t *p_next = p_sys->p_spu_cfg->p_next;
860 if( p_sys->p_spu_cfg->psz_name )
861 free( p_sys->p_spu_cfg->psz_name );
862 if( p_sys->p_spu_cfg->psz_value )
863 free( p_sys->p_spu_cfg->psz_value );
864 free( p_sys->p_spu_cfg );
866 p_sys->p_spu_cfg = p_next;
868 if( p_sys->psz_senc ) free( p_sys->psz_senc );
870 if( p_sys->p_spu ) spu_Destroy( p_sys->p_spu );
872 while( p_sys->p_osd_cfg != NULL )
874 config_chain_t *p_next = p_sys->p_osd_cfg->p_next;
876 if( p_sys->p_osd_cfg->psz_name )
877 free( p_sys->p_osd_cfg->psz_name );
878 if( p_sys->p_osd_cfg->psz_value )
879 free( p_sys->p_osd_cfg->psz_value );
880 free( p_sys->p_osd_cfg );
882 p_sys->p_osd_cfg = p_next;
884 if( p_sys->psz_osdenc ) free( p_sys->psz_osdenc );
886 vlc_object_destroy( p_sys );
889 struct sout_stream_id_t
891 vlc_fourcc_t b_transcode;
893 /* id of the out stream */
897 decoder_t *p_decoder;
900 filter_t *pp_filter[TRANSCODE_FILTERS];
902 /* User specified filters */
903 filter_t *pp_ufilter[TRANSCODE_FILTERS];
907 encoder_t *p_encoder;
910 date_t interpolated_pts;
913 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
915 sout_stream_sys_t *p_sys = p_stream->p_sys;
916 sout_stream_id_t *id;
918 id = malloc( sizeof( sout_stream_id_t ) );
921 msg_Err( p_stream, "out of memory" );
924 memset( id, 0, sizeof(sout_stream_id_t) );
927 id->p_decoder = NULL;
928 id->p_encoder = NULL;
930 /* Create decoder object */
931 id->p_decoder = vlc_object_create( p_stream, VLC_OBJECT_DECODER );
934 msg_Err( p_stream, "out of memory" );
937 vlc_object_attach( id->p_decoder, p_stream );
938 id->p_decoder->p_module = NULL;
939 id->p_decoder->fmt_in = *p_fmt;
940 id->p_decoder->b_pace_control = VLC_TRUE;
942 /* Create encoder object */
943 id->p_encoder = vlc_object_create( p_stream, VLC_OBJECT_ENCODER );
946 msg_Err( p_stream, "out of memory" );
949 vlc_object_attach( id->p_encoder, p_stream );
950 id->p_encoder->p_module = NULL;
952 /* Create destination format */
953 es_format_Init( &id->p_encoder->fmt_out, p_fmt->i_cat, 0 );
954 id->p_encoder->fmt_out.i_id = p_fmt->i_id;
955 id->p_encoder->fmt_out.i_group = p_fmt->i_group;
956 if( p_fmt->psz_language )
957 id->p_encoder->fmt_out.psz_language = strdup( p_fmt->psz_language );
959 if( p_fmt->i_cat == AUDIO_ES && (p_sys->i_acodec || p_sys->psz_aenc) )
962 "creating audio transcoding from fcc=`%4.4s' to fcc=`%4.4s'",
963 (char*)&p_fmt->i_codec, (char*)&p_sys->i_acodec );
965 /* Complete destination format */
966 id->p_encoder->fmt_out.i_codec = p_sys->i_acodec;
967 id->p_encoder->fmt_out.audio.i_rate = p_sys->i_sample_rate > 0 ?
968 p_sys->i_sample_rate : (int)p_fmt->audio.i_rate;
969 id->p_encoder->fmt_out.i_bitrate = p_sys->i_abitrate;
970 id->p_encoder->fmt_out.audio.i_bitspersample =
971 p_fmt->audio.i_bitspersample;
972 id->p_encoder->fmt_out.audio.i_channels = p_sys->i_channels > 0 ?
973 p_sys->i_channels : p_fmt->audio.i_channels;
974 /* Sanity check for audio channels */
975 id->p_encoder->fmt_out.audio.i_channels =
976 __MIN( id->p_encoder->fmt_out.audio.i_channels,
977 id->p_decoder->fmt_in.audio.i_channels );
978 id->p_encoder->fmt_out.audio.i_original_channels =
979 id->p_decoder->fmt_in.audio.i_physical_channels;
980 if( id->p_decoder->fmt_in.audio.i_channels ==
981 id->p_encoder->fmt_out.audio.i_channels )
983 id->p_encoder->fmt_out.audio.i_physical_channels =
984 id->p_decoder->fmt_in.audio.i_physical_channels;
988 id->p_encoder->fmt_out.audio.i_physical_channels =
989 pi_channels_maps[id->p_encoder->fmt_out.audio.i_channels];
992 /* Build decoder -> filter -> encoder chain */
993 if( transcode_audio_new( p_stream, id ) )
995 msg_Err( p_stream, "cannot create audio chain" );
999 /* Open output stream */
1000 id->id = p_sys->p_out->pf_add( p_sys->p_out, &id->p_encoder->fmt_out );
1001 id->b_transcode = VLC_TRUE;
1005 transcode_audio_close( p_stream, id );
1009 date_Init( &id->interpolated_pts, p_fmt->audio.i_rate, 1 );
1011 else if( p_fmt->i_cat == VIDEO_ES &&
1012 (p_sys->i_vcodec != 0 || p_sys->psz_venc) )
1015 "creating video transcoding from fcc=`%4.4s' to fcc=`%4.4s'",
1016 (char*)&p_fmt->i_codec, (char*)&p_sys->i_vcodec );
1018 /* Complete destination format */
1019 id->p_encoder->fmt_out.i_codec = p_sys->i_vcodec;
1020 id->p_encoder->fmt_out.video.i_width = p_sys->i_width & ~1;
1021 id->p_encoder->fmt_out.video.i_height = p_sys->i_height & ~1;
1022 id->p_encoder->fmt_out.i_bitrate = p_sys->i_vbitrate;
1024 /* Build decoder -> filter -> encoder chain */
1025 if( transcode_video_new( p_stream, id ) )
1027 msg_Err( p_stream, "cannot create video chain" );
1031 /* Stream will be added later on because we don't know
1032 * all the characteristics of the decoded stream yet */
1033 id->b_transcode = VLC_TRUE;
1035 if( p_sys->f_fps > 0 )
1037 id->p_encoder->fmt_out.video.i_frame_rate =
1038 (p_sys->f_fps * 1001) + 0.5;
1039 id->p_encoder->fmt_out.video.i_frame_rate_base = 1001;
1042 else if( ( p_fmt->i_cat == SPU_ES ) &&
1043 ( p_sys->i_scodec || p_sys->psz_senc ) )
1045 msg_Dbg( p_stream, "creating subtitles transcoding from fcc=`%4.4s' "
1046 "to fcc=`%4.4s'", (char*)&p_fmt->i_codec,
1047 (char*)&p_sys->i_scodec );
1049 /* Complete destination format */
1050 id->p_encoder->fmt_out.i_codec = p_sys->i_scodec;
1052 /* build decoder -> filter -> encoder */
1053 if( transcode_spu_new( p_stream, id ) )
1055 msg_Err( p_stream, "cannot create subtitles chain" );
1059 /* open output stream */
1060 id->id = p_sys->p_out->pf_add( p_sys->p_out, &id->p_encoder->fmt_out );
1061 id->b_transcode = VLC_TRUE;
1065 transcode_spu_close( p_stream, id );
1069 else if( p_fmt->i_cat == SPU_ES && p_sys->b_soverlay )
1071 msg_Dbg( p_stream, "subtitles (fcc=`%4.4s') overlaying",
1072 (char*)&p_fmt->i_codec );
1074 id->b_transcode = VLC_TRUE;
1076 /* Build decoder -> filter -> overlaying chain */
1077 if( transcode_spu_new( p_stream, id ) )
1079 msg_Err( p_stream, "cannot create subtitles chain" );
1083 else if( !p_sys->b_osd && (p_sys->i_osdcodec != 0 || p_sys->psz_osdenc) )
1085 msg_Dbg( p_stream, "creating osd transcoding from fcc=`%4.4s' "
1086 "to fcc=`%4.4s'", (char*)&p_fmt->i_codec,
1087 (char*)&p_sys->i_scodec );
1089 id->b_transcode = VLC_TRUE;
1091 /* Create a fake OSD menu elementary stream */
1092 if( transcode_osd_new( p_stream, id ) )
1094 msg_Err( p_stream, "cannot create osd chain" );
1097 p_sys->b_osd = VLC_TRUE;
1101 msg_Dbg( p_stream, "not transcoding a stream (fcc=`%4.4s')",
1102 (char*)&p_fmt->i_codec );
1103 id->id = p_sys->p_out->pf_add( p_sys->p_out, p_fmt );
1104 id->b_transcode = VLC_FALSE;
1106 if( !id->id ) goto error;
1114 vlc_object_detach( id->p_decoder );
1115 vlc_object_destroy( id->p_decoder );
1116 id->p_decoder = NULL;
1121 vlc_object_detach( id->p_encoder );
1122 es_format_Clean( &id->p_encoder->fmt_out );
1123 vlc_object_destroy( id->p_encoder );
1124 id->p_encoder = NULL;
1131 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
1133 sout_stream_sys_t *p_sys = p_stream->p_sys;
1135 if( id->b_transcode )
1137 switch( id->p_decoder->fmt_in.i_cat )
1140 transcode_audio_close( p_stream, id );
1143 transcode_video_close( p_stream, id );
1147 transcode_osd_close( p_stream, id );
1149 transcode_spu_close( p_stream, id );
1154 if( id->id ) p_sys->p_out->pf_del( p_sys->p_out, id->id );
1158 vlc_object_detach( id->p_decoder );
1159 vlc_object_destroy( id->p_decoder );
1160 id->p_decoder = NULL;
1165 vlc_object_detach( id->p_encoder );
1166 es_format_Clean( &id->p_encoder->fmt_out );
1167 vlc_object_destroy( id->p_encoder );
1168 id->p_encoder = NULL;
1175 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
1178 sout_stream_sys_t *p_sys = p_stream->p_sys;
1179 block_t *p_out = NULL;
1181 if( !id->b_transcode && id->id )
1183 return p_sys->p_out->pf_send( p_sys->p_out, id->id, p_buffer );
1185 else if( !id->b_transcode )
1187 block_Release( p_buffer );
1188 return VLC_EGENERIC;
1191 switch( id->p_decoder->fmt_in.i_cat )
1194 transcode_audio_process( p_stream, id, p_buffer, &p_out );
1198 if( transcode_video_process( p_stream, id, p_buffer, &p_out )
1201 return VLC_EGENERIC;
1206 /* Transcode OSD menu pictures. */
1209 if( transcode_osd_process( p_stream, id, p_buffer, &p_out ) !=
1212 return VLC_EGENERIC;
1215 else if ( transcode_spu_process( p_stream, id, p_buffer, &p_out ) !=
1218 return VLC_EGENERIC;
1224 block_Release( p_buffer );
1228 if( p_out ) return p_sys->p_out->pf_send( p_sys->p_out, id->id, p_out );
1232 /****************************************************************************
1233 * decoder reencoder part
1234 ****************************************************************************/
1235 static int audio_BitsPerSample( vlc_fourcc_t i_format )
1239 case VLC_FOURCC('u','8',' ',' '):
1240 case VLC_FOURCC('s','8',' ',' '):
1243 case VLC_FOURCC('u','1','6','l'):
1244 case VLC_FOURCC('s','1','6','l'):
1245 case VLC_FOURCC('u','1','6','b'):
1246 case VLC_FOURCC('s','1','6','b'):
1249 case VLC_FOURCC('u','2','4','l'):
1250 case VLC_FOURCC('s','2','4','l'):
1251 case VLC_FOURCC('u','2','4','b'):
1252 case VLC_FOURCC('s','2','4','b'):
1255 case VLC_FOURCC('u','3','2','l'):
1256 case VLC_FOURCC('s','3','2','l'):
1257 case VLC_FOURCC('u','3','2','b'):
1258 case VLC_FOURCC('s','3','2','b'):
1259 case VLC_FOURCC('f','l','3','2'):
1260 case VLC_FOURCC('f','i','3','2'):
1263 case VLC_FOURCC('f','l','6','4'):
1270 static filter_t *transcode_audio_filter_new( sout_stream_t *p_stream,
1271 sout_stream_id_t *id,
1272 es_format_t *p_fmt_in,
1273 es_format_t *p_fmt_out,
1276 sout_stream_sys_t *p_sys = p_stream->p_sys;
1277 filter_t *p_filter = vlc_object_create( p_stream, VLC_OBJECT_FILTER );
1279 vlc_object_attach( p_filter, p_stream );
1280 p_filter->pf_audio_buffer_new = (block_t* (*) (filter_t*, int))__block_New;
1282 p_filter->fmt_in = *p_fmt_in;
1283 p_filter->fmt_out = *p_fmt_out;
1285 p_filter->p_cfg = p_sys->p_afilters_cfg[id->i_ufilter];
1287 p_filter->p_module = module_Need( p_filter, "audio filter2", psz_name,
1289 if( p_filter->p_module )
1291 p_filter->fmt_out.audio.i_bitspersample =
1292 audio_BitsPerSample( p_filter->fmt_out.i_codec );
1293 *p_fmt_in = p_filter->fmt_out;
1297 vlc_object_detach( p_filter );
1298 vlc_object_destroy( p_filter );
1305 static int transcode_audio_new( sout_stream_t *p_stream,
1306 sout_stream_id_t *id )
1308 sout_stream_sys_t *p_sys = p_stream->p_sys;
1309 es_format_t fmt_last;
1316 /* Initialization of decoder structures */
1317 id->p_decoder->fmt_out = id->p_decoder->fmt_in;
1318 id->p_decoder->fmt_out.i_extra = 0;
1319 id->p_decoder->fmt_out.p_extra = 0;
1320 id->p_decoder->pf_decode_audio = 0;
1321 id->p_decoder->pf_aout_buffer_new = audio_new_buffer;
1322 id->p_decoder->pf_aout_buffer_del = audio_del_buffer;
1323 /* id->p_decoder->p_cfg = p_sys->p_audio_cfg; */
1325 id->p_decoder->p_module =
1326 module_Need( id->p_decoder, "decoder", "$codec", 0 );
1327 if( !id->p_decoder->p_module )
1329 msg_Err( p_stream, "cannot find decoder" );
1330 return VLC_EGENERIC;
1332 id->p_decoder->fmt_out.audio.i_bitspersample =
1333 audio_BitsPerSample( id->p_decoder->fmt_out.i_codec );
1334 fmt_last = id->p_decoder->fmt_out;
1335 /* Fix AAC SBR changing number of channels and sampling rate */
1336 if( !(id->p_decoder->fmt_in.i_codec == VLC_FOURCC('m','p','4','a') &&
1337 fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate &&
1338 fmt_last.audio.i_channels != id->p_encoder->fmt_in.audio.i_channels) )
1339 fmt_last.audio.i_rate = id->p_decoder->fmt_in.audio.i_rate;
1345 /* Initialization of encoder format structures */
1346 es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
1347 id->p_decoder->fmt_out.i_codec );
1348 id->p_encoder->fmt_in.audio.i_format = id->p_decoder->fmt_out.i_codec;
1350 /* Initialization of encoder format structures */
1351 es_format_Init( &id->p_encoder->fmt_in, AUDIO_ES, VLC_FOURCC('f','l','3','2') );
1352 id->p_encoder->fmt_in.audio.i_format = VLC_FOURCC('f','l','3','2');
1354 id->p_encoder->fmt_in.audio.i_rate = id->p_encoder->fmt_out.audio.i_rate;
1355 id->p_encoder->fmt_in.audio.i_physical_channels =
1356 id->p_encoder->fmt_out.audio.i_physical_channels;
1357 id->p_encoder->fmt_in.audio.i_original_channels =
1358 id->p_encoder->fmt_out.audio.i_original_channels;
1359 id->p_encoder->fmt_in.audio.i_channels =
1360 id->p_encoder->fmt_out.audio.i_channels;
1361 id->p_encoder->fmt_in.audio.i_bitspersample =
1362 audio_BitsPerSample( id->p_encoder->fmt_in.i_codec );
1364 id->p_encoder->p_cfg = p_stream->p_sys->p_audio_cfg;
1365 id->p_encoder->p_module =
1366 module_Need( id->p_encoder, "encoder", p_sys->psz_aenc, VLC_TRUE );
1367 if( !id->p_encoder->p_module )
1369 msg_Err( p_stream, "cannot find encoder (%s)", p_sys->psz_aenc );
1370 module_Unneed( id->p_decoder, id->p_decoder->p_module );
1371 id->p_decoder->p_module = NULL;
1372 return VLC_EGENERIC;
1374 id->p_encoder->fmt_in.audio.i_format = id->p_encoder->fmt_in.i_codec;
1375 id->p_encoder->fmt_in.audio.i_bitspersample =
1376 audio_BitsPerSample( id->p_encoder->fmt_in.i_codec );
1378 /* Fix AAC SBR changing number of channels and sampling rate */
1379 if( id->p_decoder->fmt_in.i_codec == VLC_FOURCC('m','p','4','a') &&
1380 fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate &&
1381 fmt_last.audio.i_channels != id->p_encoder->fmt_in.audio.i_channels )
1383 id->p_encoder->fmt_in.audio.i_rate = fmt_last.audio.i_rate;
1384 id->p_encoder->fmt_out.audio.i_rate = fmt_last.audio.i_rate;
1387 /* Load conversion filters */
1388 if( fmt_last.audio.i_channels != id->p_encoder->fmt_in.audio.i_channels ||
1389 fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate )
1391 /* We'll have to go through fl32 first */
1392 es_format_t fmt_out = id->p_encoder->fmt_in;
1393 fmt_out.i_codec = fmt_out.audio.i_format = VLC_FOURCC('f','l','3','2');
1395 id->pp_filter[id->i_filter] =
1396 transcode_audio_filter_new( p_stream, id, &fmt_last, &fmt_out, NULL );
1398 if( id->pp_filter[id->i_filter] ) id->i_filter++;
1401 for( i = 0; i < TRANSCODE_FILTERS; i++ )
1403 if( (fmt_last.audio.i_channels !=
1404 id->p_encoder->fmt_in.audio.i_channels) ||
1405 (fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate) ||
1406 (fmt_last.i_codec != id->p_encoder->fmt_in.i_codec) )
1408 id->pp_filter[id->i_filter] =
1409 transcode_audio_filter_new( p_stream, id, &fmt_last,
1410 &id->p_encoder->fmt_in, NULL );
1412 if( id->pp_filter[id->i_filter] )
1419 /* Final checks to see if conversions were successful */
1420 if( fmt_last.i_codec != id->p_encoder->fmt_in.i_codec )
1422 msg_Err( p_stream, "no audio filter found (%4.4s->%4.4s)",
1423 (char *)&fmt_last.i_codec,
1424 (char *)&id->p_encoder->fmt_in.i_codec );
1425 transcode_audio_close( p_stream, id );
1426 return VLC_EGENERIC;
1429 /* Load user specified audio filters now */
1430 for( i = 0; (i < p_sys->i_afilters) &&
1431 (id->i_ufilter < TRANSCODE_FILTERS); i++ )
1433 id->pp_ufilter[id->i_ufilter] =
1434 transcode_audio_filter_new( p_stream, id, &fmt_last,
1435 &id->p_encoder->fmt_in,
1436 p_sys->psz_afilters[i] );
1438 if( id->pp_ufilter[id->i_ufilter] )
1444 if( fmt_last.audio.i_channels != id->p_encoder->fmt_in.audio.i_channels )
1447 module_Unneed( id->p_encoder, id->p_encoder->p_module );
1448 id->p_encoder->p_module = NULL;
1450 /* This might work, but only if the encoder is restarted */
1451 id->p_encoder->fmt_in.audio.i_channels = fmt_last.audio.i_channels;
1452 id->p_encoder->fmt_out.audio.i_channels = fmt_last.audio.i_channels;
1454 id->p_encoder->fmt_in.audio.i_physical_channels =
1455 id->p_encoder->fmt_in.audio.i_original_channels =
1456 fmt_last.audio.i_physical_channels;
1457 id->p_encoder->fmt_out.audio.i_physical_channels =
1458 id->p_encoder->fmt_out.audio.i_original_channels =
1459 fmt_last.audio.i_physical_channels;
1461 msg_Dbg( p_stream, "number of audio channels for mixing changed, "
1462 "trying to reopen the encoder for mixing %i to %i channels",
1463 fmt_last.audio.i_channels,
1464 id->p_encoder->fmt_in.audio.i_channels );
1466 /* reload encoder */
1467 id->p_encoder->p_cfg = p_stream->p_sys->p_audio_cfg;
1468 id->p_encoder->p_module =
1469 module_Need( id->p_encoder, "encoder", p_sys->psz_aenc, VLC_TRUE );
1470 if( !id->p_encoder->p_module )
1472 msg_Err( p_stream, "cannot find encoder (%s)", p_sys->psz_aenc );
1473 transcode_audio_close( p_stream, id );
1474 return VLC_EGENERIC;
1476 id->p_encoder->fmt_in.audio.i_format = id->p_encoder->fmt_in.i_codec;
1477 id->p_encoder->fmt_in.audio.i_bitspersample =
1478 audio_BitsPerSample( id->p_encoder->fmt_in.i_codec );
1480 msg_Err( p_stream, "no audio filter found for mixing from"
1481 " %i to %i channels", fmt_last.audio.i_channels,
1482 id->p_encoder->fmt_in.audio.i_channels );
1484 transcode_audio_close( p_stream, id );
1485 return VLC_EGENERIC;
1489 if( fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate )
1491 msg_Err( p_stream, "no audio filter found for resampling from"
1492 " %iHz to %iHz", fmt_last.audio.i_rate,
1493 id->p_encoder->fmt_in.audio.i_rate );
1495 /* FIXME : this might work, but only if the encoder is restarted */
1496 id->p_encoder->fmt_in.audio.i_rate = fmt_last.audio.i_rate;
1497 id->p_encoder->fmt_out.audio.i_rate = fmt_last.audio.i_rate;
1499 transcode_audio_close( p_stream, id );
1500 return VLC_EGENERIC;
1504 /* FIXME: Hack for mp3 transcoding support */
1505 if( id->p_encoder->fmt_out.i_codec == VLC_FOURCC( 'm','p','3',' ' ) )
1506 id->p_encoder->fmt_out.i_codec = VLC_FOURCC( 'm','p','g','a' );
1511 static void transcode_audio_close( sout_stream_t *p_stream,
1512 sout_stream_id_t *id )
1517 if( id->p_decoder->p_module )
1518 module_Unneed( id->p_decoder, id->p_decoder->p_module );
1519 id->p_decoder->p_module = NULL;
1522 if( id->p_encoder->p_module )
1523 module_Unneed( id->p_encoder, id->p_encoder->p_module );
1524 id->p_encoder->p_module = NULL;
1527 for( i = 0; i < id->i_filter; i++ )
1529 vlc_object_detach( id->pp_filter[i] );
1530 if( id->pp_filter[i]->p_module )
1531 module_Unneed( id->pp_filter[i], id->pp_filter[i]->p_module );
1532 vlc_object_destroy( id->pp_filter[i] );
1534 for( i = 0; i < id->i_ufilter; i++ )
1536 vlc_object_detach( id->pp_ufilter[i] );
1537 if( id->pp_ufilter[i]->p_module )
1538 module_Unneed( id->pp_ufilter[i], id->pp_ufilter[i]->p_module );
1539 vlc_object_destroy( id->pp_ufilter[i] );
1543 static int transcode_audio_process( sout_stream_t *p_stream,
1544 sout_stream_id_t *id,
1545 block_t *in, block_t **out )
1547 sout_stream_sys_t *p_sys = p_stream->p_sys;
1548 aout_buffer_t *p_audio_buf;
1549 block_t *p_block, *p_audio_block;
1552 input_thread_t *p_input = NULL;
1554 if( p_stream->p_parent->p_parent && p_stream->p_parent->p_parent->
1555 i_object_type == VLC_OBJECT_INPUT )
1556 p_input = (input_thread_t *)p_stream->p_parent->p_parent;
1558 while( (p_audio_buf = id->p_decoder->pf_decode_audio( id->p_decoder,
1562 stats_UpdateInteger( p_input, p_input->p->counters.p_decoded_audio,
1564 if( p_sys->b_master_sync )
1566 mtime_t i_dts = date_Get( &id->interpolated_pts ) + 1;
1567 if ( p_audio_buf->start_date - i_dts > MASTER_SYNC_MAX_DRIFT
1568 || p_audio_buf->start_date - i_dts < -MASTER_SYNC_MAX_DRIFT )
1570 msg_Dbg( p_stream, "drift is too high, resetting master sync" );
1571 date_Set( &id->interpolated_pts, p_audio_buf->start_date );
1572 i_dts = p_audio_buf->start_date + 1;
1574 p_sys->i_master_drift = p_audio_buf->start_date - i_dts;
1575 date_Increment( &id->interpolated_pts, p_audio_buf->i_nb_samples );
1576 p_audio_buf->start_date -= p_sys->i_master_drift;
1577 p_audio_buf->end_date -= p_sys->i_master_drift;
1580 p_audio_block = p_audio_buf->p_sys;
1581 p_audio_block->i_buffer = p_audio_buf->i_nb_bytes;
1582 p_audio_block->i_dts = p_audio_block->i_pts =
1583 p_audio_buf->start_date;
1584 p_audio_block->i_length = p_audio_buf->end_date -
1585 p_audio_buf->start_date;
1586 p_audio_block->i_samples = p_audio_buf->i_nb_samples;
1588 /* Run filter chain */
1589 for( i = 0; i < id->i_filter; i++ )
1592 id->pp_filter[i]->pf_audio_filter( id->pp_filter[i],
1596 /* Run user specified filter chain */
1597 for( i = 0; i < id->i_ufilter; i++ )
1600 id->pp_ufilter[i]->pf_audio_filter( id->pp_ufilter[i],
1604 p_audio_buf->p_buffer = p_audio_block->p_buffer;
1605 p_audio_buf->i_nb_bytes = p_audio_block->i_buffer;
1606 p_audio_buf->i_nb_samples = p_audio_block->i_samples;
1607 p_audio_buf->start_date = p_audio_block->i_dts;
1608 p_audio_buf->end_date = p_audio_block->i_dts + p_audio_block->i_length;
1610 p_block = id->p_encoder->pf_encode_audio( id->p_encoder, p_audio_buf );
1611 block_ChainAppend( out, p_block );
1612 block_Release( p_audio_block );
1613 free( p_audio_buf );
1619 static void audio_release_buffer( aout_buffer_t *p_buffer )
1621 if( p_buffer && p_buffer->p_sys ) block_Release( p_buffer->p_sys );
1622 if( p_buffer ) free( p_buffer );
1625 static aout_buffer_t *audio_new_buffer( decoder_t *p_dec, int i_samples )
1627 aout_buffer_t *p_buffer;
1631 if( p_dec->fmt_out.audio.i_bitspersample )
1633 i_size = i_samples * p_dec->fmt_out.audio.i_bitspersample / 8 *
1634 p_dec->fmt_out.audio.i_channels;
1636 else if( p_dec->fmt_out.audio.i_bytes_per_frame &&
1637 p_dec->fmt_out.audio.i_frame_length )
1639 i_size = i_samples * p_dec->fmt_out.audio.i_bytes_per_frame /
1640 p_dec->fmt_out.audio.i_frame_length;
1644 i_size = i_samples * 4 * p_dec->fmt_out.audio.i_channels;
1647 p_buffer = malloc( sizeof(aout_buffer_t) );
1648 if( !p_buffer ) return NULL;
1649 p_buffer->b_discontinuity = VLC_FALSE;
1650 p_buffer->pf_release = audio_release_buffer;
1651 p_buffer->p_sys = p_block = block_New( p_dec, i_size );
1653 p_buffer->p_buffer = p_block->p_buffer;
1654 p_buffer->i_size = p_buffer->i_nb_bytes = p_block->i_buffer;
1655 p_buffer->i_nb_samples = i_samples;
1656 p_block->i_samples = i_samples;
1661 static void audio_del_buffer( decoder_t *p_dec, aout_buffer_t *p_buffer )
1663 if( p_buffer && p_buffer->p_sys ) block_Release( p_buffer->p_sys );
1664 if( p_buffer ) free( p_buffer );
1670 static int transcode_video_new( sout_stream_t *p_stream, sout_stream_id_t *id )
1672 sout_stream_sys_t *p_sys = p_stream->p_sys;
1676 * Initialization of decoder structures
1678 id->p_decoder->fmt_out = id->p_decoder->fmt_in;
1679 id->p_decoder->fmt_out.i_extra = 0;
1680 id->p_decoder->fmt_out.p_extra = 0;
1681 id->p_decoder->pf_decode_video = 0;
1682 id->p_decoder->pf_get_cc = 0;
1683 id->p_decoder->pf_vout_buffer_new = video_new_buffer_decoder;
1684 id->p_decoder->pf_vout_buffer_del = video_del_buffer_decoder;
1685 id->p_decoder->pf_picture_link = video_link_picture_decoder;
1686 id->p_decoder->pf_picture_unlink = video_unlink_picture_decoder;
1687 id->p_decoder->p_owner = malloc( sizeof(decoder_owner_sys_t) );
1688 for( i = 0; i < PICTURE_RING_SIZE; i++ )
1689 id->p_decoder->p_owner->pp_pics[i] = 0;
1690 id->p_decoder->p_owner->p_sys = p_sys;
1691 /* id->p_decoder->p_cfg = p_sys->p_video_cfg; */
1693 id->p_decoder->p_module =
1694 module_Need( id->p_decoder, "decoder", "$codec", 0 );
1696 if( !id->p_decoder->p_module )
1698 msg_Err( p_stream, "cannot find decoder" );
1699 return VLC_EGENERIC;
1704 * Because some info about the decoded input will only be available
1705 * once the first frame is decoded, we actually only test the availability
1706 * of the encoder here.
1709 /* Initialization of encoder format structures */
1710 es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
1711 id->p_decoder->fmt_out.i_codec );
1712 id->p_encoder->fmt_in.video.i_chroma = id->p_decoder->fmt_out.i_codec;
1714 /* The dimensions will be set properly later on.
1715 * Just put sensible values so we can test an encoder is available. */
1716 id->p_encoder->fmt_in.video.i_width =
1717 id->p_encoder->fmt_out.video.i_width ?
1718 id->p_encoder->fmt_out.video.i_width :
1719 id->p_decoder->fmt_in.video.i_width ?
1720 id->p_decoder->fmt_in.video.i_width : 16;
1721 id->p_encoder->fmt_in.video.i_height =
1722 id->p_encoder->fmt_out.video.i_height ?
1723 id->p_encoder->fmt_out.video.i_height :
1724 id->p_decoder->fmt_in.video.i_height ?
1725 id->p_decoder->fmt_in.video.i_height : 16;
1726 id->p_encoder->fmt_in.video.i_frame_rate = 25;
1727 id->p_encoder->fmt_in.video.i_frame_rate_base = 1;
1729 id->p_encoder->i_threads = p_sys->i_threads;
1730 id->p_encoder->p_cfg = p_sys->p_video_cfg;
1732 id->p_encoder->p_module =
1733 module_Need( id->p_encoder, "encoder", p_sys->psz_venc, VLC_TRUE );
1734 if( !id->p_encoder->p_module )
1736 msg_Err( p_stream, "cannot find encoder (%s)", p_sys->psz_venc );
1737 module_Unneed( id->p_decoder, id->p_decoder->p_module );
1738 id->p_decoder->p_module = 0;
1739 return VLC_EGENERIC;
1742 /* Close the encoder.
1743 * We'll open it only when we have the first frame. */
1744 module_Unneed( id->p_encoder, id->p_encoder->p_module );
1745 if( id->p_encoder->fmt_out.p_extra )
1747 free( id->p_encoder->fmt_out.p_extra );
1748 id->p_encoder->fmt_out.p_extra = NULL;
1749 id->p_encoder->fmt_out.i_extra = 0;
1751 id->p_encoder->p_module = NULL;
1753 if( p_sys->i_threads >= 1 )
1755 int i_priority = p_sys->b_high_priority ? VLC_THREAD_PRIORITY_OUTPUT :
1756 VLC_THREAD_PRIORITY_VIDEO;
1757 p_sys->id_video = id;
1758 vlc_mutex_init( p_stream, &p_sys->lock_out );
1759 vlc_cond_init( p_stream, &p_sys->cond );
1760 memset( p_sys->pp_pics, 0, sizeof(p_sys->pp_pics) );
1761 p_sys->i_first_pic = 0;
1762 p_sys->i_last_pic = 0;
1763 p_sys->p_buffers = NULL;
1764 p_sys->b_die = p_sys->b_error = 0;
1765 if( vlc_thread_create( p_sys, "encoder", EncoderThread, i_priority,
1768 msg_Err( p_stream, "cannot spawn encoder thread" );
1769 module_Unneed( id->p_decoder, id->p_decoder->p_module );
1770 id->p_decoder->p_module = 0;
1771 return VLC_EGENERIC;
1778 static int transcode_video_encoder_open( sout_stream_t *p_stream,
1779 sout_stream_id_t *id )
1781 sout_stream_sys_t *p_sys = p_stream->p_sys;
1783 /* Calculate scaling, padding, cropping etc. */
1784 /* width/height of source */
1785 int i_src_width = id->p_decoder->fmt_out.video.i_width;
1786 int i_src_height = id->p_decoder->fmt_out.video.i_height;
1788 /* with/height scaling */
1789 float f_scale_width = 1;
1790 float f_scale_height = 1;
1792 /* width/height of output stream */
1797 float f_aspect = (float)id->p_decoder->fmt_out.video.i_aspect /
1800 msg_Dbg( p_stream, "decoder aspect is %i:%i",
1801 id->p_decoder->fmt_out.video.i_aspect, VOUT_ASPECT_FACTOR );
1803 /* Change f_aspect from source frame to source pixel */
1804 f_aspect = f_aspect * i_src_height / i_src_width;
1805 msg_Dbg( p_stream, "source pixel aspect is %f:1", f_aspect );
1807 /* width/height after cropping */
1808 p_sys->i_src_x_offset = p_sys->i_crop_left & ~1;
1809 p_sys->i_src_y_offset = p_sys->i_crop_top & ~1;
1810 p_sys->i_crop_width = i_src_width - ( p_sys->i_crop_left & ~1 ) -
1811 ( p_sys->i_crop_right & ~1 );
1812 p_sys->i_crop_height = i_src_height - ( p_sys->i_crop_top & ~1 ) -
1813 ( p_sys->i_crop_bottom & ~1 );
1815 /* Calculate scaling factor for specified parameters */
1816 if( id->p_encoder->fmt_out.video.i_width <= 0 &&
1817 id->p_encoder->fmt_out.video.i_height <= 0 && p_sys->f_scale )
1819 /* Global scaling. Make sure width will remain a factor of 16 */
1822 int i_new_width = i_src_width * p_sys->f_scale;
1824 if( i_new_width % 16 <= 7 && i_new_width >= 16 )
1825 i_new_width -= i_new_width % 16;
1827 i_new_width += 16 - i_new_width % 16;
1829 f_real_scale = (float)( i_new_width ) / (float) i_src_width;
1831 i_new_height = __MAX( 16, i_src_height * (float)f_real_scale );
1833 f_scale_width = f_real_scale;
1834 f_scale_height = (float) i_new_height / (float) i_src_height;
1836 else if( id->p_encoder->fmt_out.video.i_width > 0 &&
1837 id->p_encoder->fmt_out.video.i_height <= 0 )
1839 /* Only width specified */
1840 f_scale_width = (float)id->p_encoder->fmt_out.video.i_width /
1841 p_sys->i_crop_width;
1842 f_scale_height = f_scale_width;
1844 else if( id->p_encoder->fmt_out.video.i_width <= 0 &&
1845 id->p_encoder->fmt_out.video.i_height > 0 )
1847 /* Only height specified */
1848 f_scale_height = (float)id->p_encoder->fmt_out.video.i_height /
1849 p_sys->i_crop_height;
1850 f_scale_width = f_scale_height;
1852 else if( id->p_encoder->fmt_out.video.i_width > 0 &&
1853 id->p_encoder->fmt_out.video.i_height > 0 )
1855 /* Width and height specified */
1856 f_scale_width = (float)id->p_encoder->fmt_out.video.i_width
1857 / p_sys->i_crop_width;
1858 f_scale_height = (float)id->p_encoder->fmt_out.video.i_height
1859 / p_sys->i_crop_height;
1862 /* check maxwidth and maxheight
1863 * note: maxwidth and maxheight currently does not handle
1864 * canvas and padding, just scaling and cropping.
1866 if( p_sys->i_maxwidth && f_scale_width > (float)p_sys->i_maxwidth /
1867 p_sys->i_crop_width )
1869 f_scale_width = (float)p_sys->i_maxwidth / p_sys->i_crop_width;
1871 if( p_sys->i_maxheight && f_scale_height > (float)p_sys->i_maxheight /
1872 p_sys->i_crop_height )
1874 f_scale_height = (float)p_sys->i_maxheight / p_sys->i_crop_height;
1877 /* Change aspect ratio from source pixel to scaled pixel */
1878 f_aspect = f_aspect * f_scale_height / f_scale_width;
1879 msg_Dbg( p_stream, "scaled pixel aspect is %f:1", f_aspect );
1881 /* Correct scaling for target aspect ratio
1882 * Shrink video if necessary
1884 if ( p_sys->i_canvas_aspect > 0 )
1886 float f_target_aspect = (float)p_sys->i_canvas_aspect /
1889 if( p_sys->i_canvas_width > 0 && p_sys->i_canvas_height > 0)
1891 /* Calculate pixel aspect of canvas */
1892 f_target_aspect = f_target_aspect / p_sys->i_canvas_width *
1893 p_sys->i_canvas_height;
1895 if( f_target_aspect > f_aspect )
1897 /* Reduce width scale to increase aspect */
1898 f_scale_width = f_scale_width * f_aspect / f_target_aspect;
1902 /* Reduce height scale to decrease aspect */
1903 f_scale_height = f_scale_height * f_target_aspect / f_aspect;
1905 f_aspect = f_target_aspect;
1906 msg_Dbg( p_stream, "canvas scaled pixel aspect is %f:1", f_aspect );
1909 /* f_scale_width and f_scale_height are now final */
1910 /* Calculate width, height from scaling
1911 * Make sure its multiple of 2
1913 i_dst_width = 2 * (int)( p_sys->i_crop_width * f_scale_width / 2 + 0.5 );
1915 (int)( p_sys->i_crop_height * f_scale_height / 2 + 0.5 );
1917 p_sys->i_nopadd_width = i_dst_width;
1918 p_sys->i_nopadd_height = i_dst_height;
1919 p_sys->i_dst_x_offset = 0;
1920 p_sys->i_dst_y_offset = 0;
1922 /* Handle canvas and padding */
1923 if( p_sys->i_canvas_width <= 0 )
1925 /* No canvas width set, add explicit padding border */
1926 i_dst_width = p_sys->i_nopadd_width + ( p_sys->i_padd_left & ~1 ) +
1927 ( p_sys->i_padd_right & ~1 );
1928 p_sys->i_dst_x_offset = ( p_sys->i_padd_left & ~1 );
1932 /* Canvas set, check if we have to padd or crop */
1933 if( p_sys->i_canvas_width < p_sys->i_nopadd_width )
1935 /* need to crop more, but keep same scaling */
1936 int i_crop = 2 * (int)( ( p_sys->i_canvas_width & ~1 ) /
1937 f_scale_width / 2 + 0.5 );
1939 p_sys->i_src_x_offset += ( ( p_sys->i_crop_width - i_crop ) / 2 )
1941 p_sys->i_crop_width = i_crop;
1942 i_dst_width = p_sys->i_canvas_width & ~1;
1943 p_sys->i_nopadd_width = i_dst_width;
1945 else if( p_sys->i_canvas_width > p_sys->i_nopadd_width )
1948 i_dst_width = p_sys->i_canvas_width & ~1;
1949 p_sys->i_dst_x_offset = ( i_dst_width - p_sys->i_nopadd_width )/2;
1950 p_sys->i_dst_x_offset = p_sys->i_dst_x_offset & ~1;
1954 if( p_sys->i_canvas_height <= 0 )
1956 /* No canvas set, add padding border */
1957 i_dst_height = p_sys->i_nopadd_height + ( p_sys->i_padd_top & ~1 ) +
1958 ( p_sys->i_padd_bottom & ~1 );
1959 p_sys->i_dst_y_offset = ( p_sys->i_padd_top & ~1 );
1963 /* Canvas set, check if we have to padd or crop */
1964 if( p_sys->i_canvas_height < p_sys->i_nopadd_height )
1966 /* need to crop more, but keep same scaling */
1967 int i_crop = 2 * (int)( ( p_sys->i_canvas_height & ~1 ) /
1968 f_scale_height / 2 + 0.5 );
1970 p_sys->i_src_y_offset += ( ( p_sys->i_crop_height - i_crop ) / 2 )
1972 p_sys->i_crop_height = i_crop;
1973 i_dst_height = p_sys->i_canvas_height & ~1;
1974 p_sys->i_nopadd_height = i_dst_height;
1976 else if( p_sys->i_canvas_height > p_sys->i_nopadd_height )
1979 i_dst_height = p_sys->i_canvas_height & ~1;
1980 p_sys->i_dst_y_offset = ( i_dst_height - p_sys->i_nopadd_height )
1982 p_sys->i_dst_y_offset = p_sys->i_dst_y_offset & ~1;
1986 /* Change aspect ratio from scaled pixel to output frame */
1987 f_aspect = f_aspect * i_dst_width / i_dst_height;
1989 /* Store calculated values */
1990 id->p_encoder->fmt_out.video.i_width = i_dst_width;
1991 id->p_encoder->fmt_out.video.i_height = i_dst_height;
1993 id->p_encoder->fmt_in.video.i_width = i_dst_width;
1994 id->p_encoder->fmt_in.video.i_height = i_dst_height;
1996 msg_Dbg( p_stream, "source %ix%i, crop %ix%i, "
1997 "destination %ix%i, padding %ix%i",
1998 i_src_width, i_src_height,
1999 p_sys->i_crop_width, p_sys->i_crop_height,
2000 p_sys->i_nopadd_width, p_sys->i_nopadd_height,
2001 i_dst_width, i_dst_height
2004 /* Handle frame rate conversion */
2005 if( !id->p_encoder->fmt_out.video.i_frame_rate ||
2006 !id->p_encoder->fmt_out.video.i_frame_rate_base )
2008 if( id->p_decoder->fmt_out.video.i_frame_rate &&
2009 id->p_decoder->fmt_out.video.i_frame_rate_base )
2011 id->p_encoder->fmt_out.video.i_frame_rate =
2012 id->p_decoder->fmt_out.video.i_frame_rate;
2013 id->p_encoder->fmt_out.video.i_frame_rate_base =
2014 id->p_decoder->fmt_out.video.i_frame_rate_base;
2018 /* Pick a sensible default value */
2019 id->p_encoder->fmt_out.video.i_frame_rate = 25;
2020 id->p_encoder->fmt_out.video.i_frame_rate_base = 1;
2024 id->p_encoder->fmt_in.video.i_frame_rate =
2025 id->p_encoder->fmt_out.video.i_frame_rate;
2026 id->p_encoder->fmt_in.video.i_frame_rate_base =
2027 id->p_encoder->fmt_out.video.i_frame_rate_base;
2029 date_Init( &id->interpolated_pts,
2030 id->p_encoder->fmt_out.video.i_frame_rate,
2031 id->p_encoder->fmt_out.video.i_frame_rate_base );
2033 /* Check whether a particular aspect ratio was requested */
2034 if( !id->p_encoder->fmt_out.video.i_aspect )
2036 id->p_encoder->fmt_out.video.i_aspect = (int)( f_aspect * VOUT_ASPECT_FACTOR + 0.5 );
2038 id->p_encoder->fmt_in.video.i_aspect =
2039 id->p_encoder->fmt_out.video.i_aspect;
2041 msg_Dbg( p_stream, "encoder aspect is %i:%i", id->p_encoder->fmt_out.video.i_aspect, VOUT_ASPECT_FACTOR );
2043 id->p_encoder->p_module =
2044 module_Need( id->p_encoder, "encoder", p_sys->psz_venc, VLC_TRUE );
2045 if( !id->p_encoder->p_module )
2047 msg_Err( p_stream, "cannot find encoder (%s)", p_sys->psz_venc );
2048 return VLC_EGENERIC;
2051 id->p_encoder->fmt_in.video.i_chroma = id->p_encoder->fmt_in.i_codec;
2053 /* Hack for mp2v/mp1v transcoding support */
2054 if( id->p_encoder->fmt_out.i_codec == VLC_FOURCC('m','p','1','v') ||
2055 id->p_encoder->fmt_out.i_codec == VLC_FOURCC('m','p','2','v') )
2057 id->p_encoder->fmt_out.i_codec = VLC_FOURCC('m','p','g','v');
2060 id->id = p_stream->p_sys->p_out->pf_add( p_stream->p_sys->p_out,
2061 &id->p_encoder->fmt_out );
2064 msg_Err( p_stream, "cannot add this stream" );
2065 return VLC_EGENERIC;
2071 static void transcode_video_close( sout_stream_t *p_stream,
2072 sout_stream_id_t *id )
2076 if( p_stream->p_sys->i_threads >= 1 )
2078 vlc_mutex_lock( &p_stream->p_sys->lock_out );
2079 vlc_object_kill( p_stream->p_sys );
2080 vlc_cond_signal( &p_stream->p_sys->cond );
2081 vlc_mutex_unlock( &p_stream->p_sys->lock_out );
2082 vlc_thread_join( p_stream->p_sys );
2083 vlc_mutex_destroy( &p_stream->p_sys->lock_out );
2084 vlc_cond_destroy( &p_stream->p_sys->cond );
2088 if( id->p_decoder->p_module )
2089 module_Unneed( id->p_decoder, id->p_decoder->p_module );
2091 if( id->p_decoder->p_owner )
2093 /* Clean-up pictures ring buffer */
2094 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2096 if( id->p_decoder->p_owner->pp_pics[i] )
2097 video_del_buffer( VLC_OBJECT(id->p_decoder),
2098 id->p_decoder->p_owner->pp_pics[i] );
2100 free( id->p_decoder->p_owner );
2104 if( id->p_encoder->p_module )
2105 module_Unneed( id->p_encoder, id->p_encoder->p_module );
2108 for( i = 0; i < id->i_filter; i++ )
2110 vlc_object_detach( id->pp_filter[i] );
2111 if( id->pp_filter[i]->p_module )
2112 module_Unneed( id->pp_filter[i], id->pp_filter[i]->p_module );
2114 /* Clean-up pictures ring buffer */
2115 for( j = 0; j < PICTURE_RING_SIZE; j++ )
2117 if( id->pp_filter[i]->p_owner->pp_pics[j] )
2118 video_del_buffer( VLC_OBJECT(id->pp_filter[i]),
2119 id->pp_filter[i]->p_owner->pp_pics[j] );
2121 free( id->pp_filter[i]->p_owner );
2122 vlc_object_destroy( id->pp_filter[i] );
2123 id->pp_filter[i] = NULL;
2126 for( i = 0; i < id->i_ufilter; i++ )
2128 vlc_object_detach( id->pp_ufilter[i] );
2129 if( id->pp_ufilter[i]->p_module )
2130 module_Unneed( id->pp_ufilter[i], id->pp_ufilter[i]->p_module );
2132 /* Clean-up pictures ring buffer */
2133 for( j = 0; j < PICTURE_RING_SIZE; j++ )
2135 if( id->pp_ufilter[i]->p_owner->pp_pics[j] )
2136 video_del_buffer( VLC_OBJECT(id->pp_ufilter[i]),
2137 id->pp_ufilter[i]->p_owner->pp_pics[j] );
2139 free( id->pp_ufilter[i]->p_owner );
2140 vlc_object_destroy( id->pp_ufilter[i] );
2141 id->pp_ufilter[i] = NULL;
2145 static int transcode_video_process( sout_stream_t *p_stream,
2146 sout_stream_id_t *id,
2147 block_t *in, block_t **out )
2149 sout_stream_sys_t *p_sys = p_stream->p_sys;
2150 int i_duplicate = 1, i;
2151 picture_t *p_pic, *p_pic2 = NULL;
2153 input_thread_t *p_input = NULL;
2155 if( p_stream->p_parent->p_parent && p_stream->p_parent->p_parent->
2156 i_object_type == VLC_OBJECT_INPUT )
2157 p_input = (input_thread_t *)p_stream->p_parent->p_parent;
2159 while( (p_pic = id->p_decoder->pf_decode_video( id->p_decoder, &in )) )
2161 subpicture_t *p_subpic = NULL;
2163 stats_UpdateInteger( p_input, p_input->p->counters.p_decoded_video,
2166 if( p_stream->p_sout->i_out_pace_nocontrol && p_sys->b_hurry_up )
2168 mtime_t current_date = mdate();
2169 if( current_date + 50000 > p_pic->date )
2171 msg_Dbg( p_stream, "late picture skipped ("I64Fd")",
2172 current_date + 50000 - p_pic->date );
2173 p_pic->pf_release( p_pic );
2178 if( p_sys->b_master_sync )
2180 mtime_t i_video_drift;
2181 mtime_t i_master_drift = p_sys->i_master_drift;
2184 i_pts = date_Get( &id->interpolated_pts ) + 1;
2185 if ( p_pic->date - i_pts > MASTER_SYNC_MAX_DRIFT
2186 || p_pic->date - i_pts < -MASTER_SYNC_MAX_DRIFT )
2188 msg_Dbg( p_stream, "drift is too high, resetting master sync" );
2189 date_Set( &id->interpolated_pts, p_pic->date );
2190 i_pts = p_pic->date + 1;
2192 i_video_drift = p_pic->date - i_pts;
2195 /* Set the pts of the frame being encoded */
2196 p_pic->date = i_pts;
2198 if( i_video_drift < (i_master_drift - 50000) )
2201 msg_Dbg( p_stream, "dropping frame (%i)",
2202 (int)(i_video_drift - i_master_drift) );
2204 p_pic->pf_release( p_pic );
2207 else if( i_video_drift > (i_master_drift + 50000) )
2210 msg_Dbg( p_stream, "adding frame (%i)",
2211 (int)(i_video_drift - i_master_drift) );
2217 if( !id->p_encoder->p_module )
2219 if( transcode_video_encoder_open( p_stream, id ) != VLC_SUCCESS )
2221 p_pic->pf_release( p_pic );
2222 transcode_video_close( p_stream, id );
2223 id->b_transcode = VLC_FALSE;
2224 return VLC_EGENERIC;
2228 if( p_stream->p_sys->b_deinterlace )
2230 id->pp_filter[id->i_filter] =
2231 vlc_object_create( p_stream, VLC_OBJECT_FILTER );
2232 vlc_object_attach( id->pp_filter[id->i_filter], p_stream );
2234 id->pp_filter[id->i_filter]->pf_vout_buffer_new =
2235 video_new_buffer_filter;
2236 id->pp_filter[id->i_filter]->pf_vout_buffer_del =
2237 video_del_buffer_filter;
2239 id->pp_filter[id->i_filter]->fmt_in = id->p_decoder->fmt_out;
2240 id->pp_filter[id->i_filter]->fmt_out = id->p_decoder->fmt_out;
2241 id->pp_filter[id->i_filter]->p_cfg = p_sys->p_deinterlace_cfg;
2242 id->pp_filter[id->i_filter]->p_module =
2243 module_Need( id->pp_filter[id->i_filter],
2244 "video filter2", p_sys->psz_deinterlace,
2246 if( id->pp_filter[id->i_filter]->p_module )
2248 id->pp_filter[id->i_filter]->p_owner =
2249 malloc( sizeof(filter_owner_sys_t) );
2250 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2251 id->pp_filter[id->i_filter]->p_owner->pp_pics[i] = 0;
2252 id->pp_filter[id->i_filter]->p_owner->p_sys = p_sys;
2258 msg_Dbg( p_stream, "no video filter found" );
2259 vlc_object_detach( id->pp_filter[id->i_filter] );
2260 vlc_object_destroy( id->pp_filter[id->i_filter] );
2264 /* Check if we need a filter for chroma conversion or resizing */
2265 if( id->p_decoder->fmt_out.video.i_chroma !=
2266 id->p_encoder->fmt_in.video.i_chroma ||
2268 (int)id->p_decoder->fmt_out.video.i_width != p_sys->i_crop_width ||
2269 p_sys->i_crop_width != p_sys->i_nopadd_width ||
2270 p_sys->i_nopadd_width != (int)id->p_encoder->fmt_out.video.i_width ||
2272 (int)id->p_decoder->fmt_out.video.i_height != p_sys->i_crop_height ||
2273 p_sys->i_crop_height != p_sys->i_nopadd_height ||
2274 p_sys->i_nopadd_height != (int)id->p_encoder->fmt_out.video.i_height)
2276 id->pp_filter[id->i_filter] =
2277 vlc_object_create( p_stream, VLC_OBJECT_FILTER );
2278 vlc_object_attach( id->pp_filter[id->i_filter], p_stream );
2280 id->pp_filter[id->i_filter]->pf_vout_buffer_new =
2281 video_new_buffer_filter;
2282 id->pp_filter[id->i_filter]->pf_vout_buffer_del =
2283 video_del_buffer_filter;
2285 id->pp_filter[id->i_filter]->fmt_in = id->p_decoder->fmt_out;
2286 id->pp_filter[id->i_filter]->fmt_out = id->p_encoder->fmt_in;
2287 id->pp_filter[id->i_filter]->p_cfg = NULL;
2289 id->pp_filter[id->i_filter]->fmt_in.video.i_x_offset = p_sys->i_src_x_offset;
2290 id->pp_filter[id->i_filter]->fmt_in.video.i_y_offset = p_sys->i_src_y_offset;
2291 id->pp_filter[id->i_filter]->fmt_in.video.i_visible_width = p_sys->i_crop_width;
2292 id->pp_filter[id->i_filter]->fmt_in.video.i_visible_height = p_sys->i_crop_height;
2294 id->pp_filter[id->i_filter]->fmt_out.video.i_x_offset = p_sys->i_dst_x_offset;
2295 id->pp_filter[id->i_filter]->fmt_out.video.i_y_offset = p_sys->i_dst_y_offset;
2296 id->pp_filter[id->i_filter]->fmt_out.video.i_visible_width = p_sys->i_nopadd_width;
2297 id->pp_filter[id->i_filter]->fmt_out.video.i_visible_height = p_sys->i_nopadd_height;
2299 id->pp_filter[id->i_filter]->p_module =
2300 module_Need( id->pp_filter[id->i_filter],
2301 "crop padd", 0, 0 );
2302 if( id->pp_filter[id->i_filter]->p_module )
2304 id->pp_filter[id->i_filter]->p_owner =
2305 malloc( sizeof(filter_owner_sys_t) );
2306 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2307 id->pp_filter[id->i_filter]->p_owner->pp_pics[i] = 0;
2308 id->pp_filter[id->i_filter]->p_owner->p_sys = p_sys;
2314 msg_Dbg( p_stream, "no video filter found" );
2315 vlc_object_detach( id->pp_filter[id->i_filter] );
2316 vlc_object_destroy( id->pp_filter[id->i_filter] );
2318 p_pic->pf_release( p_pic );
2319 transcode_video_close( p_stream, id );
2320 id->b_transcode = VLC_FALSE;
2321 return VLC_EGENERIC;
2325 for( i = 0; (i < p_sys->i_vfilters) && (id->i_ufilter < TRANSCODE_FILTERS); i++ )
2327 id->pp_ufilter[id->i_ufilter] =
2328 vlc_object_create( p_stream, VLC_OBJECT_FILTER );
2329 vlc_object_attach( id->pp_ufilter[id->i_ufilter], p_stream );
2331 id->pp_ufilter[id->i_ufilter]->pf_vout_buffer_new =
2332 video_new_buffer_filter;
2333 id->pp_ufilter[id->i_ufilter]->pf_vout_buffer_del =
2334 video_del_buffer_filter;
2336 id->pp_ufilter[id->i_ufilter]->fmt_in = id->p_encoder->fmt_in;
2337 id->pp_ufilter[id->i_ufilter]->fmt_out = id->p_encoder->fmt_in;
2338 id->pp_ufilter[id->i_ufilter]->p_cfg = p_sys->p_vfilters_cfg[i];
2339 id->pp_ufilter[id->i_ufilter]->p_module =
2340 module_Need( id->pp_ufilter[id->i_ufilter],
2341 "video filter2", p_sys->psz_vfilters[i], VLC_TRUE );
2342 if( id->pp_ufilter[id->i_ufilter]->p_module )
2344 id->pp_ufilter[id->i_ufilter]->p_owner =
2345 malloc( sizeof(filter_owner_sys_t) );
2346 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2347 id->pp_ufilter[id->i_ufilter]->p_owner->pp_pics[i] = 0;
2348 id->pp_ufilter[id->i_ufilter]->p_owner->p_sys = p_sys;
2353 msg_Dbg( p_stream, "no video filter found" );
2354 vlc_object_detach( id->pp_ufilter[id->i_ufilter] );
2355 vlc_object_destroy( id->pp_ufilter[id->i_ufilter] );
2356 id->pp_ufilter[id->i_ufilter] = NULL;
2361 /* Run filter chain */
2362 for( i = 0; i < id->i_filter; i++ )
2364 p_pic = id->pp_filter[i]->pf_video_filter(id->pp_filter[i], p_pic);
2371 /* Check if we have a subpicture to overlay */
2374 p_subpic = spu_SortSubpictures( p_sys->p_spu, p_pic->date,
2375 VLC_FALSE /* Fixme: check if stream is paused */ );
2376 /* TODO: get another pic */
2379 /* Overlay subpicture */
2382 int i_scale_width, i_scale_height;
2383 video_format_t *p_fmt;
2385 i_scale_width = id->p_encoder->fmt_in.video.i_width * 1000 /
2386 id->p_decoder->fmt_out.video.i_width;
2387 i_scale_height = id->p_encoder->fmt_in.video.i_height * 1000 /
2388 id->p_decoder->fmt_out.video.i_height;
2390 if( p_pic->i_refcount && !id->i_filter )
2392 /* We can't modify the picture, we need to duplicate it */
2393 picture_t *p_tmp = video_new_buffer_decoder( id->p_decoder );
2396 vout_CopyPicture( p_stream, p_tmp, p_pic );
2397 p_pic->pf_release( p_pic );
2403 p_fmt = &id->pp_filter[id->i_filter -1]->fmt_out.video;
2405 p_fmt = &id->p_decoder->fmt_out.video;
2407 /* FIXME (shouldn't have to be done here) */
2408 p_fmt->i_sar_num = p_fmt->i_aspect *
2409 p_fmt->i_height / p_fmt->i_width;
2410 p_fmt->i_sar_den = VOUT_ASPECT_FACTOR;
2412 spu_RenderSubpictures( p_sys->p_spu, p_fmt, p_pic, p_pic, p_subpic,
2413 i_scale_width, i_scale_height );
2416 /* Run user specified filter chain */
2417 for( i = 0; i < id->i_ufilter; i++ )
2419 p_pic = id->pp_ufilter[i]->pf_video_filter( id->pp_ufilter[i],
2423 if( p_sys->i_threads == 0 )
2426 p_block = id->p_encoder->pf_encode_video( id->p_encoder, p_pic );
2427 block_ChainAppend( out, p_block );
2430 if( p_sys->b_master_sync )
2432 mtime_t i_pts = date_Get( &id->interpolated_pts ) + 1;
2433 if ( p_pic->date - i_pts > MASTER_SYNC_MAX_DRIFT
2434 || p_pic->date - i_pts < -MASTER_SYNC_MAX_DRIFT )
2436 msg_Dbg( p_stream, "drift is too high, resetting master sync" );
2437 date_Set( &id->interpolated_pts, p_pic->date );
2438 i_pts = p_pic->date + 1;
2440 date_Increment( &id->interpolated_pts, 1 );
2443 if( p_sys->b_master_sync && i_duplicate > 1 )
2445 mtime_t i_pts = date_Get( &id->interpolated_pts ) + 1;
2446 if( (p_pic->date - i_pts > MASTER_SYNC_MAX_DRIFT)
2447 || ((p_pic->date - i_pts) < -MASTER_SYNC_MAX_DRIFT) )
2449 msg_Dbg( p_stream, "drift is too high, resetting master sync" );
2450 date_Set( &id->interpolated_pts, p_pic->date );
2451 i_pts = p_pic->date + 1;
2453 date_Increment( &id->interpolated_pts, 1 );
2455 if( p_sys->i_threads >= 1 )
2457 /* We can't modify the picture, we need to duplicate it */
2458 p_pic2 = video_new_buffer_decoder( id->p_decoder );
2459 if( p_pic2 != NULL )
2461 vout_CopyPicture( p_stream, p_pic2, p_pic );
2462 p_pic2->date = i_pts;
2468 p_pic->date = i_pts;
2469 p_block = id->p_encoder->pf_encode_video(id->p_encoder, p_pic);
2470 block_ChainAppend( out, p_block );
2474 if( p_sys->i_threads == 0 )
2476 p_pic->pf_release( p_pic );
2480 vlc_mutex_lock( &p_sys->lock_out );
2481 p_sys->pp_pics[p_sys->i_last_pic++] = p_pic;
2482 p_sys->i_last_pic %= PICTURE_RING_SIZE;
2483 *out = p_sys->p_buffers;
2484 p_sys->p_buffers = NULL;
2485 if( p_pic2 != NULL )
2487 p_sys->pp_pics[p_sys->i_last_pic++] = p_pic2;
2488 p_sys->i_last_pic %= PICTURE_RING_SIZE;
2490 vlc_cond_signal( &p_sys->cond );
2491 vlc_mutex_unlock( &p_sys->lock_out );
2498 static int EncoderThread( sout_stream_sys_t *p_sys )
2500 sout_stream_id_t *id = p_sys->id_video;
2503 while( !p_sys->b_die && !p_sys->b_error )
2507 vlc_mutex_lock( &p_sys->lock_out );
2508 while( p_sys->i_last_pic == p_sys->i_first_pic )
2510 vlc_cond_wait( &p_sys->cond, &p_sys->lock_out );
2511 if( p_sys->b_die || p_sys->b_error ) break;
2513 if( p_sys->b_die || p_sys->b_error )
2515 vlc_mutex_unlock( &p_sys->lock_out );
2519 p_pic = p_sys->pp_pics[p_sys->i_first_pic++];
2520 p_sys->i_first_pic %= PICTURE_RING_SIZE;
2521 vlc_mutex_unlock( &p_sys->lock_out );
2523 p_block = id->p_encoder->pf_encode_video( id->p_encoder, p_pic );
2524 vlc_mutex_lock( &p_sys->lock_out );
2525 block_ChainAppend( &p_sys->p_buffers, p_block );
2527 vlc_mutex_unlock( &p_sys->lock_out );
2528 p_pic->pf_release( p_pic );
2531 while( p_sys->i_last_pic != p_sys->i_first_pic )
2533 p_pic = p_sys->pp_pics[p_sys->i_first_pic++];
2534 p_sys->i_first_pic %= PICTURE_RING_SIZE;
2535 p_pic->pf_release( p_pic );
2537 block_ChainRelease( p_sys->p_buffers );
2542 struct picture_sys_t
2544 vlc_object_t *p_owner;
2547 static void video_release_buffer( picture_t *p_pic )
2549 if( p_pic && !p_pic->i_refcount && p_pic->pf_release && p_pic->p_sys )
2551 video_del_buffer_decoder( (decoder_t *)p_pic->p_sys->p_owner, p_pic );
2553 else if( p_pic && p_pic->i_refcount > 0 ) p_pic->i_refcount--;
2556 static picture_t *video_new_buffer( vlc_object_t *p_this, picture_t **pp_ring,
2557 sout_stream_sys_t *p_sys )
2559 decoder_t *p_dec = (decoder_t *)p_this;
2563 /* Find an empty space in the picture ring buffer */
2564 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2566 if( pp_ring[i] != 0 && pp_ring[i]->i_status == DESTROYED_PICTURE )
2568 pp_ring[i]->i_status = RESERVED_PICTURE;
2572 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2574 if( pp_ring[i] == 0 ) break;
2577 if( i == PICTURE_RING_SIZE && p_sys->i_threads >= 1 )
2579 int i_first_pic = p_sys->i_first_pic;
2581 if( p_sys->i_first_pic != p_sys->i_last_pic )
2583 /* Encoder still has stuff to encode, wait to clear-up the list */
2584 while( p_sys->i_first_pic == i_first_pic )
2588 /* Find an empty space in the picture ring buffer */
2589 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2591 if( pp_ring[i] != 0 && pp_ring[i]->i_status == DESTROYED_PICTURE )
2593 pp_ring[i]->i_status = RESERVED_PICTURE;
2597 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2599 if( pp_ring[i] == 0 ) break;
2603 if( i == PICTURE_RING_SIZE )
2605 msg_Err( p_this, "decoder/filter is leaking pictures, "
2606 "resetting its ring buffer" );
2608 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2610 pp_ring[i]->pf_release( pp_ring[i] );
2616 p_pic = malloc( sizeof(picture_t) );
2617 if( !p_pic ) return NULL;
2618 p_dec->fmt_out.video.i_chroma = p_dec->fmt_out.i_codec;
2619 vout_AllocatePicture( VLC_OBJECT(p_dec), p_pic,
2620 p_dec->fmt_out.video.i_chroma,
2621 p_dec->fmt_out.video.i_width,
2622 p_dec->fmt_out.video.i_height,
2623 p_dec->fmt_out.video.i_aspect );
2625 if( !p_pic->i_planes )
2631 p_pic->pf_release = video_release_buffer;
2632 p_pic->p_sys = malloc( sizeof(picture_sys_t) );
2639 p_pic->p_sys->p_owner = p_this;
2640 p_pic->i_status = RESERVED_PICTURE;
2646 static picture_t *video_new_buffer_decoder( decoder_t *p_dec )
2648 return video_new_buffer( VLC_OBJECT(p_dec),
2649 p_dec->p_owner->pp_pics, p_dec->p_owner->p_sys );
2652 static picture_t *video_new_buffer_filter( filter_t *p_filter )
2654 return video_new_buffer( VLC_OBJECT(p_filter),
2655 p_filter->p_owner->pp_pics,
2656 p_filter->p_owner->p_sys );
2659 static void video_del_buffer( vlc_object_t *p_this, picture_t *p_pic )
2661 if( p_pic && p_pic->p_data_orig ) free( p_pic->p_data_orig );
2662 if( p_pic && p_pic->p_sys ) free( p_pic->p_sys );
2663 if( p_pic ) free( p_pic );
2666 static void video_del_buffer_decoder( decoder_t *p_decoder, picture_t *p_pic )
2668 p_pic->i_refcount = 0;
2669 p_pic->i_status = DESTROYED_PICTURE;
2672 static void video_del_buffer_filter( filter_t *p_filter, picture_t *p_pic )
2674 p_pic->i_refcount = 0;
2675 p_pic->i_status = DESTROYED_PICTURE;
2678 static void video_link_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
2680 p_pic->i_refcount++;
2683 static void video_unlink_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
2685 video_release_buffer( p_pic );
2691 static subpicture_t *spu_new_buffer( decoder_t * );
2692 static void spu_del_buffer( decoder_t *, subpicture_t * );
2694 static int transcode_spu_new( sout_stream_t *p_stream, sout_stream_id_t *id )
2696 sout_stream_sys_t *p_sys = p_stream->p_sys;
2702 /* Initialization of decoder structures */
2703 id->p_decoder->pf_spu_buffer_new = spu_new_buffer;
2704 id->p_decoder->pf_spu_buffer_del = spu_del_buffer;
2705 id->p_decoder->p_owner = (decoder_owner_sys_t *)p_stream;
2706 /* id->p_decoder->p_cfg = p_sys->p_spu_cfg; */
2708 id->p_decoder->p_module =
2709 module_Need( id->p_decoder, "decoder", "$codec", 0 );
2711 if( !id->p_decoder->p_module )
2713 msg_Err( p_stream, "cannot find decoder" );
2714 return VLC_EGENERIC;
2717 if( !p_sys->b_soverlay )
2720 /* Initialization of encoder format structures */
2721 es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
2722 id->p_decoder->fmt_in.i_codec );
2724 id->p_encoder->p_cfg = p_sys->p_spu_cfg;
2726 id->p_encoder->p_module =
2727 module_Need( id->p_encoder, "encoder", p_sys->psz_senc, VLC_TRUE );
2729 if( !id->p_encoder->p_module )
2731 module_Unneed( id->p_decoder, id->p_decoder->p_module );
2732 msg_Err( p_stream, "cannot find encoder (%s)", p_sys->psz_senc );
2733 return VLC_EGENERIC;
2739 p_sys->p_spu = spu_Create( p_stream );
2740 spu_Init( p_sys->p_spu );
2746 static void transcode_spu_close( sout_stream_t *p_stream, sout_stream_id_t *id)
2749 if( id->p_decoder->p_module )
2750 module_Unneed( id->p_decoder, id->p_decoder->p_module );
2753 if( id->p_encoder->p_module )
2754 module_Unneed( id->p_encoder, id->p_encoder->p_module );
2757 static int transcode_spu_process( sout_stream_t *p_stream,
2758 sout_stream_id_t *id,
2759 block_t *in, block_t **out )
2761 sout_stream_sys_t *p_sys = p_stream->p_sys;
2762 subpicture_t *p_subpic;
2765 p_subpic = id->p_decoder->pf_decode_sub( id->p_decoder, &in );
2766 if( !p_subpic ) return VLC_EGENERIC;
2768 if( p_sys->b_master_sync && p_sys->i_master_drift )
2770 p_subpic->i_start -= p_sys->i_master_drift;
2771 if( p_subpic->i_stop ) p_subpic->i_stop -= p_sys->i_master_drift;
2774 if( p_sys->b_soverlay )
2776 spu_DisplaySubpicture( p_sys->p_spu, p_subpic );
2782 p_block = id->p_encoder->pf_encode_sub( id->p_encoder, p_subpic );
2783 spu_del_buffer( id->p_decoder, p_subpic );
2786 block_ChainAppend( out, p_block );
2791 return VLC_EGENERIC;
2794 static subpicture_t *spu_new_buffer( decoder_t *p_dec )
2796 sout_stream_t *p_stream = (sout_stream_t *)p_dec->p_owner;
2797 return spu_CreateSubpicture( p_stream->p_sys->p_spu );
2800 static void spu_del_buffer( decoder_t *p_dec, subpicture_t *p_subpic )
2802 sout_stream_t *p_stream = (sout_stream_t *)p_dec->p_owner;
2803 spu_DestroySubpicture( p_stream->p_sys->p_spu, p_subpic );
2809 static int transcode_osd_new( sout_stream_t *p_stream, sout_stream_id_t *id )
2811 sout_stream_sys_t *p_sys = p_stream->p_sys;
2813 id->p_decoder->fmt_in.i_cat = SPU_ES;
2814 id->p_encoder->fmt_out.psz_language = strdup( "osd" );
2816 if( p_sys->i_osdcodec != 0 || p_sys->psz_osdenc )
2818 msg_Dbg( p_stream, "creating osdmenu transcoding from fcc=`%4.4s' "
2819 "to fcc=`%4.4s'", (char*)&id->p_encoder->fmt_out.i_codec,
2820 (char*)&p_sys->i_osdcodec );
2822 /* Complete destination format */
2823 id->p_encoder->fmt_out.i_codec = p_sys->i_osdcodec;
2826 es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
2827 VLC_FOURCC('Y','U','V','A') );
2828 id->p_encoder->fmt_in.psz_language = strdup( "osd" );
2830 id->p_encoder->p_cfg = p_sys->p_osd_cfg;
2832 id->p_encoder->p_module =
2833 module_Need( id->p_encoder, "encoder", p_sys->psz_osdenc, VLC_TRUE );
2835 if( !id->p_encoder->p_module )
2837 msg_Err( p_stream, "cannot find encoder (%s)", p_sys->psz_osdenc );
2841 /* open output stream */
2842 id->id = p_sys->p_out->pf_add( p_sys->p_out, &id->p_encoder->fmt_out );
2843 id->b_transcode = VLC_TRUE;
2845 if( !id->id ) goto error;
2849 msg_Dbg( p_stream, "not transcoding a stream (fcc=`%4.4s')",
2850 (char*)&id->p_decoder->fmt_out.i_codec );
2851 id->id = p_sys->p_out->pf_add( p_sys->p_out, &id->p_decoder->fmt_out );
2852 id->b_transcode = VLC_FALSE;
2854 if( !id->id ) goto error;
2859 p_sys->p_spu = spu_Create( p_stream );
2860 spu_Init( p_sys->p_spu );
2866 msg_Err( p_stream, "starting osd encoding thread failed" );
2867 if( id->p_encoder->p_module )
2868 module_Unneed( id->p_encoder, id->p_encoder->p_module );
2869 p_sys->b_osd = VLC_FALSE;
2870 return VLC_EGENERIC;
2873 static void transcode_osd_close( sout_stream_t *p_stream, sout_stream_id_t *id)
2875 sout_stream_sys_t *p_sys = p_stream->p_sys;
2878 if( p_sys->b_osd && id )
2880 if( id->p_encoder->p_module )
2881 module_Unneed( id->p_encoder, id->p_encoder->p_module );
2883 p_sys->b_osd = VLC_FALSE;
2886 static int transcode_osd_process( sout_stream_t *p_stream,
2887 sout_stream_id_t *id,
2888 block_t *in, block_t **out )
2890 sout_stream_sys_t *p_sys = p_stream->p_sys;
2891 subpicture_t *p_subpic = NULL;
2893 /* Check if we have a subpicture to send */
2894 if( p_sys->p_spu && in->i_dts > 0)
2896 p_subpic = spu_SortSubpictures( p_sys->p_spu, in->i_dts, VLC_FALSE );
2900 msg_Warn( p_stream, "spu channel not initialized, doing it now" );
2903 p_sys->p_spu = spu_Create( p_stream );
2904 spu_Init( p_sys->p_spu );
2910 block_t *p_block = NULL;
2912 if( p_sys->b_master_sync && p_sys->i_master_drift )
2914 p_subpic->i_start -= p_sys->i_master_drift;
2915 if( p_subpic->i_stop ) p_subpic->i_stop -= p_sys->i_master_drift;
2918 p_block = id->p_encoder->pf_encode_sub( id->p_encoder, p_subpic );
2919 spu_DestroySubpicture( p_sys->p_spu, p_subpic );
2922 p_block->i_dts = p_block->i_pts = in->i_dts;
2923 block_ChainAppend( out, p_block );
2927 return VLC_EGENERIC;