1 /*****************************************************************************
2 * transcode.c: transcoding stream output module
3 *****************************************************************************
4 * Copyright (C) 2003-2004 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * Gildas Bazin <gbazin@videolan.org>
9 * Jean-Paul Saman <jpsaman #_at_# m2x dot nl>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
24 *****************************************************************************/
26 /*****************************************************************************
28 *****************************************************************************/
34 #include <vlc_input.h>
38 #include <vlc_codec.h>
39 #include <vlc_block.h>
40 #include <vlc_filter.h>
43 #define MASTER_SYNC_MAX_DRIFT 100000
46 #include "../../src/input/input_internal.h"
48 /*****************************************************************************
50 *****************************************************************************/
51 #define VENC_TEXT N_("Video encoder")
52 #define VENC_LONGTEXT N_( \
53 "This is the video encoder module that will be used (and its associated "\
55 #define VCODEC_TEXT N_("Destination video codec")
56 #define VCODEC_LONGTEXT N_( \
57 "This is the video codec that will be used.")
58 #define VB_TEXT N_("Video bitrate")
59 #define VB_LONGTEXT N_( \
60 "Target bitrate of the transcoded video stream." )
61 #define SCALE_TEXT N_("Video scaling")
62 #define SCALE_LONGTEXT N_( \
63 "Scale factor to apply to the video while transcoding (eg: 0.25)")
64 #define FPS_TEXT N_("Video frame-rate")
65 #define FPS_LONGTEXT N_( \
66 "Target output frame rate for the video stream." )
67 #define DEINTERLACE_TEXT N_("Deinterlace video")
68 #define DEINTERLACE_LONGTEXT N_( \
69 "Deinterlace the video before encoding." )
70 #define DEINTERLACE_MODULE_TEXT N_("Deinterlace module")
71 #define DEINTERLACE_MODULE_LONGTEXT N_( \
72 "Specify the deinterlace module to use." )
73 #define WIDTH_TEXT N_("Video width")
74 #define WIDTH_LONGTEXT N_( \
75 "Output video width." )
76 #define HEIGHT_TEXT N_("Video height")
77 #define HEIGHT_LONGTEXT N_( \
78 "Output video height." )
79 #define MAXWIDTH_TEXT N_("Maximum video width")
80 #define MAXWIDTH_LONGTEXT N_( \
81 "Maximum output video width." )
82 #define MAXHEIGHT_TEXT N_("Maximum video height")
83 #define MAXHEIGHT_LONGTEXT N_( \
84 "Maximum output video height." )
85 #define VFILTER_TEXT N_("Video filter")
86 #define VFILTER_LONGTEXT N_( \
87 "Video filters will be applied to the video streams (after overlays " \
88 "are applied). You must enter a comma-separated list of filters." )
90 #define CROPTOP_TEXT N_("Video crop (top)")
91 #define CROPTOP_LONGTEXT N_( \
92 "Number of pixels to crop at the top of the video." )
93 #define CROPLEFT_TEXT N_("Video crop (left)")
94 #define CROPLEFT_LONGTEXT N_( \
95 "Number of pixels to crop at the left of the video." )
96 #define CROPBOTTOM_TEXT N_("Video crop (bottom)")
97 #define CROPBOTTOM_LONGTEXT N_( \
98 "Number of pixels to crop at the bottom of the video." )
99 #define CROPRIGHT_TEXT N_("Video crop (right)")
100 #define CROPRIGHT_LONGTEXT N_( \
101 "Number of pixels to crop at the right of the video." )
103 #define PADDTOP_TEXT N_("Video padding (top)")
104 #define PADDTOP_LONGTEXT N_( \
105 "Size of the black border to add at the top of the video." )
106 #define PADDLEFT_TEXT N_("Video padding (left)")
107 #define PADDLEFT_LONGTEXT N_( \
108 "Size of the black border to add at the left of the video." )
109 #define PADDBOTTOM_TEXT N_("Video padding (bottom)")
110 #define PADDBOTTOM_LONGTEXT N_( \
111 "Size of the black border to add at the bottom of the video." )
112 #define PADDRIGHT_TEXT N_("Video padding (right)")
113 #define PADDRIGHT_LONGTEXT N_( \
114 "Size of the black border to add at the right of the video." )
116 #define CANVAS_WIDTH_TEXT N_("Video canvas width")
117 #define CANVAS_WIDTH_LONGTEXT N_( \
118 "This will automatically crod and pad the video to a specified width." )
119 #define CANVAS_HEIGHT_TEXT N_("Video canvas height")
120 #define CANVAS_HEIGHT_LONGTEXT N_( \
121 "This will automatically crod and pad the video to a specified height." )
122 #define CANVAS_ASPECT_TEXT N_("Video canvas aspect ratio")
123 #define CANVAS_ASPECT_LONGTEXT N_( \
124 "This sets aspect (like 4:3) of the video canvas and letterbox the video "\
127 #define AENC_TEXT N_("Audio encoder")
128 #define AENC_LONGTEXT N_( \
129 "This is the audio encoder module that will be used (and its associated "\
131 #define ACODEC_TEXT N_("Destination audio codec")
132 #define ACODEC_LONGTEXT N_( \
133 "This is the audio codec that will be used.")
134 #define AB_TEXT N_("Audio bitrate")
135 #define AB_LONGTEXT N_( \
136 "Target bitrate of the transcoded audio stream." )
137 #define ARATE_TEXT N_("Audio sample rate")
138 #define ARATE_LONGTEXT N_( \
139 "Sample rate of the transcoded audio stream (11250, 22500, 44100 or 48000).")
140 #define ACHANS_TEXT N_("Audio channels")
141 #define ACHANS_LONGTEXT N_( \
142 "Number of audio channels in the transcoded streams." )
143 #define AFILTER_TEXT N_("Audio filter")
144 #define AFILTER_LONGTEXT N_( \
145 "Audio filters will be applied to the audio streams (after conversion " \
146 "filters are applied). You must enter a comma-separated list of filters." )
148 #define SENC_TEXT N_("Subtitles encoder")
149 #define SENC_LONGTEXT N_( \
150 "This is the subtitles encoder module that will be used (and its " \
151 "associated options)." )
152 #define SCODEC_TEXT N_("Destination subtitles codec")
153 #define SCODEC_LONGTEXT N_( \
154 "This is the subtitles codec that will be used." )
156 #define SFILTER_TEXT N_("Overlays")
157 #define SFILTER_LONGTEXT N_( \
158 "This allows you to add overlays (also known as \"subpictures\" on the "\
159 "transcoded video stream. The subpictures produced by the filters will "\
160 "be overlayed directly onto the video. You must specify a comma-separated "\
161 "list of subpicture modules" )
163 #define OSD_TEXT N_("OSD menu")
164 #define OSD_LONGTEXT N_(\
165 "Stream the On Screen Display menu (using the osdmenu subpicture module)." )
167 #define THREADS_TEXT N_("Number of threads")
168 #define THREADS_LONGTEXT N_( \
169 "Number of threads used for the transcoding." )
170 #define HP_TEXT N_("High priority")
171 #define HP_LONGTEXT N_( \
172 "Runs the optional encoder thread at the OUTPUT priority instead of " \
175 #define ASYNC_TEXT N_("Synchronise on audio track")
176 #define ASYNC_LONGTEXT N_( \
177 "This option will drop/duplicate video frames to synchronise the video " \
178 "track on the audio track." )
180 #define HURRYUP_TEXT N_( "Hurry up" )
181 #define HURRYUP_LONGTEXT N_( "The transcoder will drop frames if your CPU " \
182 "can't keep up with the encoding rate." )
184 static char *ppsz_deinterlace_type[] =
186 "deinterlace", "ffmpeg-deinterlace"
189 static int Open ( vlc_object_t * );
190 static void Close( vlc_object_t * );
192 #define SOUT_CFG_PREFIX "sout-transcode-"
195 set_shortname( _("Transcode"));
196 set_description( _("Transcode stream output") );
197 set_capability( "sout stream", 50 );
198 add_shortcut( "transcode" );
199 set_callbacks( Open, Close );
200 set_category( CAT_SOUT );
201 set_subcategory( SUBCAT_SOUT_STREAM );
202 set_section( N_("Video"), NULL );
203 add_string( SOUT_CFG_PREFIX "venc", NULL, NULL, VENC_TEXT,
204 VENC_LONGTEXT, VLC_FALSE );
205 add_string( SOUT_CFG_PREFIX "vcodec", NULL, NULL, VCODEC_TEXT,
206 VCODEC_LONGTEXT, VLC_FALSE );
207 add_integer( SOUT_CFG_PREFIX "vb", 800 * 1000, NULL, VB_TEXT,
208 VB_LONGTEXT, VLC_FALSE );
209 add_float( SOUT_CFG_PREFIX "scale", 1, NULL, SCALE_TEXT,
210 SCALE_LONGTEXT, VLC_FALSE );
211 add_float( SOUT_CFG_PREFIX "fps", 0, NULL, FPS_TEXT,
212 FPS_LONGTEXT, VLC_FALSE );
213 add_bool( SOUT_CFG_PREFIX "hurry-up", VLC_TRUE, NULL, HURRYUP_TEXT,
214 HURRYUP_LONGTEXT, VLC_FALSE );
215 add_bool( SOUT_CFG_PREFIX "deinterlace", 0, NULL, DEINTERLACE_TEXT,
216 DEINTERLACE_LONGTEXT, VLC_FALSE );
217 add_string( SOUT_CFG_PREFIX "deinterlace-module", "deinterlace", NULL,
218 DEINTERLACE_MODULE_TEXT, DEINTERLACE_MODULE_LONGTEXT,
220 change_string_list( ppsz_deinterlace_type, 0, 0 );
221 add_integer( SOUT_CFG_PREFIX "width", 0, NULL, WIDTH_TEXT,
222 WIDTH_LONGTEXT, VLC_TRUE );
223 add_integer( SOUT_CFG_PREFIX "height", 0, NULL, HEIGHT_TEXT,
224 HEIGHT_LONGTEXT, VLC_TRUE );
225 add_integer( SOUT_CFG_PREFIX "maxwidth", 0, NULL, MAXWIDTH_TEXT,
226 MAXWIDTH_LONGTEXT, VLC_TRUE );
227 add_integer( SOUT_CFG_PREFIX "maxheight", 0, NULL, MAXHEIGHT_TEXT,
228 MAXHEIGHT_LONGTEXT, VLC_TRUE );
229 add_module_list( SOUT_CFG_PREFIX "vfilter", "video filter2",
231 VFILTER_TEXT, VFILTER_LONGTEXT, VLC_FALSE );
233 add_integer( SOUT_CFG_PREFIX "croptop", 0, NULL, CROPTOP_TEXT,
234 CROPTOP_LONGTEXT, VLC_TRUE );
235 add_integer( SOUT_CFG_PREFIX "cropleft", 0, NULL, CROPLEFT_TEXT,
236 CROPLEFT_LONGTEXT, VLC_TRUE );
237 add_integer( SOUT_CFG_PREFIX "cropbottom", 0, NULL, CROPBOTTOM_TEXT,
238 CROPBOTTOM_LONGTEXT, VLC_TRUE );
239 add_integer( SOUT_CFG_PREFIX "cropright", 0, NULL, CROPRIGHT_TEXT,
240 CROPRIGHT_LONGTEXT, VLC_TRUE );
242 add_integer( SOUT_CFG_PREFIX "paddtop", 0, NULL, PADDTOP_TEXT,
243 PADDTOP_LONGTEXT, VLC_TRUE );
244 add_integer( SOUT_CFG_PREFIX "paddleft", 0, NULL, PADDLEFT_TEXT,
245 PADDLEFT_LONGTEXT, VLC_TRUE );
246 add_integer( SOUT_CFG_PREFIX "paddbottom", 0, NULL, PADDBOTTOM_TEXT,
247 PADDBOTTOM_LONGTEXT, VLC_TRUE );
248 add_integer( SOUT_CFG_PREFIX "paddright", 0, NULL, PADDRIGHT_TEXT,
249 PADDRIGHT_LONGTEXT, VLC_TRUE );
251 add_integer( SOUT_CFG_PREFIX "canvas-width", 0, NULL, CANVAS_WIDTH_TEXT,
252 CANVAS_WIDTH_LONGTEXT, VLC_TRUE );
253 add_integer( SOUT_CFG_PREFIX "canvas-height", 0, NULL, CANVAS_HEIGHT_TEXT,
254 CANVAS_HEIGHT_LONGTEXT, VLC_TRUE );
255 add_string( SOUT_CFG_PREFIX "canvas-aspect", NULL, NULL, CANVAS_ASPECT_TEXT,
256 CANVAS_ASPECT_LONGTEXT, VLC_FALSE );
258 set_section( N_("Audio"), NULL );
259 add_string( SOUT_CFG_PREFIX "aenc", NULL, NULL, AENC_TEXT,
260 AENC_LONGTEXT, VLC_FALSE );
261 add_string( SOUT_CFG_PREFIX "acodec", NULL, NULL, ACODEC_TEXT,
262 ACODEC_LONGTEXT, VLC_FALSE );
263 add_integer( SOUT_CFG_PREFIX "ab", 64000, NULL, AB_TEXT,
264 AB_LONGTEXT, VLC_FALSE );
265 add_integer( SOUT_CFG_PREFIX "channels", 0, NULL, ACHANS_TEXT,
266 ACHANS_LONGTEXT, VLC_FALSE );
267 add_integer( SOUT_CFG_PREFIX "samplerate", 0, NULL, ARATE_TEXT,
268 ARATE_LONGTEXT, VLC_TRUE );
269 add_bool( SOUT_CFG_PREFIX "audio-sync", 0, NULL, ASYNC_TEXT,
270 ASYNC_LONGTEXT, VLC_FALSE );
271 add_module_list_cat( SOUT_CFG_PREFIX "afilter", SUBCAT_AUDIO_MISC,
273 AFILTER_TEXT, AFILTER_LONGTEXT, VLC_FALSE );
275 set_section( N_("Overlays/Subtitles"), NULL );
276 add_string( SOUT_CFG_PREFIX "senc", NULL, NULL, SENC_TEXT,
277 SENC_LONGTEXT, VLC_FALSE );
278 add_string( SOUT_CFG_PREFIX "scodec", NULL, NULL, SCODEC_TEXT,
279 SCODEC_LONGTEXT, VLC_FALSE );
280 add_bool( SOUT_CFG_PREFIX "soverlay", 0, NULL, SCODEC_TEXT,
281 SCODEC_LONGTEXT, VLC_FALSE );
282 add_module_list_cat( SOUT_CFG_PREFIX "sfilter", SUBCAT_VIDEO_SUBPIC,
284 SFILTER_TEXT, SFILTER_LONGTEXT, VLC_FALSE );
286 set_section( N_("On Screen Display"), NULL );
287 add_bool( SOUT_CFG_PREFIX "osd", 0, NULL, OSD_TEXT,
288 OSD_LONGTEXT, VLC_FALSE );
290 set_section( N_("Miscellaneous"), NULL );
291 add_integer( SOUT_CFG_PREFIX "threads", 0, NULL, THREADS_TEXT,
292 THREADS_LONGTEXT, VLC_TRUE );
293 add_bool( SOUT_CFG_PREFIX "high-priority", 0, NULL, HP_TEXT, HP_LONGTEXT,
298 static const char *ppsz_sout_options[] = {
299 "venc", "vcodec", "vb", "croptop", "cropbottom", "cropleft", "cropright",
300 "paddtop", "paddbottom", "paddleft", "paddright",
301 "canvas-width", "canvas-height", "canvas-aspect",
302 "scale", "fps", "width", "height", "vfilter", "deinterlace",
303 "deinterlace-module", "threads", "hurry-up", "aenc", "acodec", "ab",
304 "afilter", "samplerate", "channels", "senc", "scodec", "soverlay",
305 "sfilter", "osd", "audio-sync", "high-priority", "maxwidth", "maxheight",
309 /*****************************************************************************
310 * Exported prototypes
311 *****************************************************************************/
312 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
313 static int Del ( sout_stream_t *, sout_stream_id_t * );
314 static int Send( sout_stream_t *, sout_stream_id_t *, block_t* );
316 static int transcode_audio_new ( sout_stream_t *, sout_stream_id_t * );
317 static void transcode_audio_close ( sout_stream_t *, sout_stream_id_t * );
318 static int transcode_audio_process( sout_stream_t *, sout_stream_id_t *,
319 block_t *, block_t ** );
321 static aout_buffer_t *audio_new_buffer( decoder_t *, int );
322 static void audio_del_buffer( decoder_t *, aout_buffer_t * );
324 static int transcode_video_new ( sout_stream_t *, sout_stream_id_t * );
325 static void transcode_video_close ( sout_stream_t *, sout_stream_id_t * );
326 static int transcode_video_encoder_open( sout_stream_t *, sout_stream_id_t *);
327 static int transcode_video_process( sout_stream_t *, sout_stream_id_t *,
328 block_t *, block_t ** );
330 static void video_del_buffer( vlc_object_t *, picture_t * );
331 static picture_t *video_new_buffer_decoder( decoder_t * );
332 static void video_del_buffer_decoder( decoder_t *, picture_t * );
333 static void video_link_picture_decoder( decoder_t *, picture_t * );
334 static void video_unlink_picture_decoder( decoder_t *, picture_t * );
335 static picture_t *video_new_buffer_filter( filter_t * );
336 static void video_del_buffer_filter( filter_t *, picture_t * );
338 static int transcode_spu_new ( sout_stream_t *, sout_stream_id_t * );
339 static void transcode_spu_close ( sout_stream_t *, sout_stream_id_t * );
340 static int transcode_spu_process( sout_stream_t *, sout_stream_id_t *,
341 block_t *, block_t ** );
343 static int transcode_osd_new ( sout_stream_t *, sout_stream_id_t * );
344 static void transcode_osd_close ( sout_stream_t *, sout_stream_id_t * );
345 static int transcode_osd_process( sout_stream_t *, sout_stream_id_t *,
346 block_t *, block_t ** );
348 static int EncoderThread( struct sout_stream_sys_t * p_sys );
350 static int pi_channels_maps[6] =
353 AOUT_CHAN_CENTER, AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
354 AOUT_CHAN_CENTER | AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
355 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT
356 | AOUT_CHAN_REARRIGHT,
357 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
358 | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT
361 #define PICTURE_RING_SIZE 64
362 #define SUBPICTURE_RING_SIZE 20
363 #define TRANSCODE_FILTERS 10
365 struct sout_stream_sys_t
369 sout_stream_t *p_out;
370 sout_stream_id_t *id_video;
372 vlc_mutex_t lock_out;
374 picture_t * pp_pics[PICTURE_RING_SIZE];
375 int i_first_pic, i_last_pic;
378 vlc_fourcc_t i_acodec; /* codec audio (0 if not transcode) */
380 config_chain_t *p_audio_cfg;
384 char *psz_afilters[TRANSCODE_FILTERS];
385 config_chain_t *p_afilters_cfg[TRANSCODE_FILTERS];
389 vlc_fourcc_t i_vcodec; /* codec video (0 if not transcode) */
391 config_chain_t *p_video_cfg;
395 unsigned int i_width, i_maxwidth;
396 unsigned int i_height, i_maxheight;
397 vlc_bool_t b_deinterlace;
398 char *psz_deinterlace;
399 config_chain_t *p_deinterlace_cfg;
401 vlc_bool_t b_high_priority;
402 vlc_bool_t b_hurry_up;
403 char *psz_vfilters[TRANSCODE_FILTERS];
404 config_chain_t *p_vfilters_cfg[TRANSCODE_FILTERS];
421 /* Video, calculated */
433 vlc_fourcc_t i_scodec; /* codec spu (0 if not transcode) */
435 vlc_bool_t b_soverlay;
436 config_chain_t *p_spu_cfg;
440 sout_stream_id_t *id_osd; /* extension for streaming OSD menus */
441 vlc_fourcc_t i_osdcodec; /* codec osd menu (0 if not transcode) */
443 config_chain_t *p_osd_cfg;
444 vlc_bool_t b_es_osd; /* VLC_TRUE when osd es is registered */
445 vlc_bool_t b_sout_osd;
448 vlc_bool_t b_master_sync;
449 mtime_t i_master_drift;
452 struct decoder_owner_sys_t
454 picture_t *pp_pics[PICTURE_RING_SIZE];
455 sout_stream_sys_t *p_sys;
457 struct filter_owner_sys_t
459 picture_t *pp_pics[PICTURE_RING_SIZE];
460 sout_stream_sys_t *p_sys;
463 /*****************************************************************************
465 *****************************************************************************/
466 static int Open( vlc_object_t *p_this )
468 sout_stream_t *p_stream = (sout_stream_t*)p_this;
469 sout_stream_sys_t *p_sys;
472 p_sys = vlc_object_create( p_this, sizeof( sout_stream_sys_t ) );
474 p_sys->p_out = sout_StreamNew( p_stream->p_sout, p_stream->psz_next );
477 msg_Err( p_stream, "cannot create chain" );
478 vlc_object_destroy( p_sys );
482 p_sys->i_master_drift = 0;
484 config_ChainParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options,
487 /* Audio transcoding parameters */
488 var_Get( p_stream, SOUT_CFG_PREFIX "aenc", &val );
489 p_sys->psz_aenc = NULL;
490 p_sys->p_audio_cfg = NULL;
491 if( val.psz_string && *val.psz_string )
494 psz_next = config_ChainCreate( &p_sys->psz_aenc, &p_sys->p_audio_cfg,
496 if( psz_next ) free( psz_next );
498 if( val.psz_string ) free( val.psz_string );
500 var_Get( p_stream, SOUT_CFG_PREFIX "acodec", &val );
502 if( val.psz_string && *val.psz_string )
505 memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
506 p_sys->i_acodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
508 if( val.psz_string ) free( val.psz_string );
510 var_Get( p_stream, SOUT_CFG_PREFIX "ab", &val );
511 p_sys->i_abitrate = val.i_int;
512 if( p_sys->i_abitrate < 4000 ) p_sys->i_abitrate *= 1000;
514 var_Get( p_stream, SOUT_CFG_PREFIX "samplerate", &val );
515 p_sys->i_sample_rate = val.i_int;
517 var_Get( p_stream, SOUT_CFG_PREFIX "channels", &val );
518 p_sys->i_channels = val.i_int;
520 if( p_sys->i_acodec )
522 if( p_sys->i_acodec == VLC_FOURCC('m','p','3',0) &&
523 p_sys->i_channels > 2 )
525 msg_Warn( p_stream, "%d channels invalid for mp3, forcing to 2",
527 p_sys->i_channels = 2;
529 msg_Dbg( p_stream, "codec audio=%4.4s %dHz %d channels %dKb/s",
530 (char *)&p_sys->i_acodec, p_sys->i_sample_rate,
531 p_sys->i_channels, p_sys->i_abitrate / 1000 );
534 var_Get( p_stream, SOUT_CFG_PREFIX "afilter", &val );
535 p_sys->i_afilters = 0;
536 if( val.psz_string && *val.psz_string )
538 char *psz_parser = val.psz_string;
540 while( (psz_parser != NULL) && (*psz_parser != '\0')
541 && (p_sys->i_afilters < TRANSCODE_FILTERS) )
543 psz_parser = config_ChainCreate(
544 &p_sys->psz_afilters[p_sys->i_afilters],
545 &p_sys->p_afilters_cfg[p_sys->i_afilters],
548 if( (psz_parser != NULL) && (*psz_parser != '\0') ) psz_parser++;
551 if( val.psz_string ) free( val.psz_string );
552 if( p_sys->i_afilters < TRANSCODE_FILTERS-1 )
554 p_sys->psz_afilters[p_sys->i_afilters] = NULL;
555 p_sys->p_afilters_cfg[p_sys->i_afilters] = NULL;
558 /* Video transcoding parameters */
559 var_Get( p_stream, SOUT_CFG_PREFIX "venc", &val );
560 p_sys->psz_venc = NULL;
561 p_sys->p_video_cfg = NULL;
562 if( val.psz_string && *val.psz_string )
565 psz_next = config_ChainCreate( &p_sys->psz_venc, &p_sys->p_video_cfg,
567 if( psz_next ) free( psz_next );
569 if( val.psz_string ) free( val.psz_string );
571 var_Get( p_stream, SOUT_CFG_PREFIX "vcodec", &val );
573 if( val.psz_string && *val.psz_string )
576 memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
577 p_sys->i_vcodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
579 if( val.psz_string ) free( val.psz_string );
581 var_Get( p_stream, SOUT_CFG_PREFIX "vb", &val );
582 p_sys->i_vbitrate = val.i_int;
583 if( p_sys->i_vbitrate < 16000 ) p_sys->i_vbitrate *= 1000;
585 var_Get( p_stream, SOUT_CFG_PREFIX "scale", &val );
586 p_sys->f_scale = val.f_float;
588 var_Get( p_stream, SOUT_CFG_PREFIX "fps", &val );
589 p_sys->f_fps = val.f_float;
591 var_Get( p_stream, SOUT_CFG_PREFIX "hurry-up", &val );
592 p_sys->b_hurry_up = val.b_bool;
594 var_Get( p_stream, SOUT_CFG_PREFIX "width", &val );
595 p_sys->i_width = val.i_int;
597 var_Get( p_stream, SOUT_CFG_PREFIX "height", &val );
598 p_sys->i_height = val.i_int;
600 var_Get( p_stream, SOUT_CFG_PREFIX "maxwidth", &val );
601 p_sys->i_maxwidth = val.i_int;
603 var_Get( p_stream, SOUT_CFG_PREFIX "maxheight", &val );
604 p_sys->i_maxheight = val.i_int;
606 var_Get( p_stream, SOUT_CFG_PREFIX "vfilter", &val );
607 p_sys->i_vfilters = 0;
608 if( val.psz_string && *val.psz_string )
610 char *psz_parser = val.psz_string;
612 while( (psz_parser != NULL) && (*psz_parser != '\0')
613 && (p_sys->i_vfilters < TRANSCODE_FILTERS) )
615 psz_parser = config_ChainCreate(
616 &p_sys->psz_vfilters[p_sys->i_vfilters],
617 &p_sys->p_vfilters_cfg[p_sys->i_vfilters],
620 if( psz_parser != NULL && *psz_parser != '\0' ) psz_parser++;
623 if( val.psz_string ) free( val.psz_string );
624 if( p_sys->i_vfilters < TRANSCODE_FILTERS-1 )
626 p_sys->psz_vfilters[p_sys->i_vfilters] = NULL;
627 p_sys->p_vfilters_cfg[p_sys->i_vfilters] = NULL;
630 var_Get( p_stream, SOUT_CFG_PREFIX "deinterlace", &val );
631 p_sys->b_deinterlace = val.b_bool;
633 var_Get( p_stream, SOUT_CFG_PREFIX "deinterlace-module", &val );
634 p_sys->psz_deinterlace = NULL;
635 p_sys->p_deinterlace_cfg = NULL;
636 if( val.psz_string && *val.psz_string )
639 psz_next = config_ChainCreate( &p_sys->psz_deinterlace,
640 &p_sys->p_deinterlace_cfg,
642 if( psz_next ) free( psz_next );
644 if( val.psz_string ) free( val.psz_string );
646 var_Get( p_stream, SOUT_CFG_PREFIX "croptop", &val );
647 p_sys->i_crop_top = val.i_int;
648 var_Get( p_stream, SOUT_CFG_PREFIX "cropbottom", &val );
649 p_sys->i_crop_bottom = val.i_int;
650 var_Get( p_stream, SOUT_CFG_PREFIX "cropleft", &val );
651 p_sys->i_crop_left = val.i_int;
652 var_Get( p_stream, SOUT_CFG_PREFIX "cropright", &val );
653 p_sys->i_crop_right = val.i_int;
655 var_Get( p_stream, SOUT_CFG_PREFIX "paddtop", &val );
656 p_sys->i_padd_top = val.i_int;
657 var_Get( p_stream, SOUT_CFG_PREFIX "paddbottom", &val );
658 p_sys->i_padd_bottom = val.i_int;
659 var_Get( p_stream, SOUT_CFG_PREFIX "paddleft", &val );
660 p_sys->i_padd_left = val.i_int;
661 var_Get( p_stream, SOUT_CFG_PREFIX "paddright", &val );
662 p_sys->i_padd_right = val.i_int;
664 var_Get( p_stream, SOUT_CFG_PREFIX "canvas-width", &val );
665 p_sys->i_canvas_width = val.i_int;
666 var_Get( p_stream, SOUT_CFG_PREFIX "canvas-height", &val );
667 p_sys->i_canvas_height = val.i_int;
669 var_Get( p_stream, SOUT_CFG_PREFIX "canvas-aspect", &val );
670 p_sys->i_canvas_aspect = 0;
671 if( val.psz_string && *val.psz_string )
673 char *psz_parser = strchr( val.psz_string, ':' );
676 *psz_parser++ = '\0';
677 p_sys->i_canvas_aspect = atoi( val.psz_string ) *
678 VOUT_ASPECT_FACTOR / atoi( psz_parser );
680 else msg_Warn( p_stream, "bad aspect ratio %s", val.psz_string );
683 if( val.psz_string ) free( val.psz_string );
685 var_Get( p_stream, SOUT_CFG_PREFIX "threads", &val );
686 p_sys->i_threads = val.i_int;
687 var_Get( p_stream, SOUT_CFG_PREFIX "high-priority", &val );
688 p_sys->b_high_priority = val.b_bool;
690 if( p_sys->i_vcodec )
692 msg_Dbg( p_stream, "codec video=%4.4s %dx%d scaling: %f %dkb/s",
693 (char *)&p_sys->i_vcodec, p_sys->i_width, p_sys->i_height,
694 p_sys->f_scale, p_sys->i_vbitrate / 1000 );
697 /* Subpictures transcoding parameters */
699 p_sys->psz_senc = NULL;
700 p_sys->p_spu_cfg = NULL;
703 var_Get( p_stream, SOUT_CFG_PREFIX "senc", &val );
704 if( val.psz_string && *val.psz_string )
707 psz_next = config_ChainCreate( &p_sys->psz_senc, &p_sys->p_spu_cfg,
709 if( psz_next ) free( psz_next );
711 if( val.psz_string ) free( val.psz_string );
713 var_Get( p_stream, SOUT_CFG_PREFIX "scodec", &val );
714 if( val.psz_string && *val.psz_string )
717 memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
718 p_sys->i_scodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
720 if( val.psz_string ) free( val.psz_string );
722 if( p_sys->i_scodec )
724 msg_Dbg( p_stream, "codec spu=%4.4s", (char *)&p_sys->i_scodec );
727 var_Get( p_stream, SOUT_CFG_PREFIX "soverlay", &val );
728 p_sys->b_soverlay = val.b_bool;
730 var_Get( p_stream, SOUT_CFG_PREFIX "sfilter", &val );
731 if( val.psz_string && *val.psz_string )
733 p_sys->p_spu = spu_Create( p_stream );
734 var_Create( p_sys->p_spu, "sub-filter", VLC_VAR_STRING );
735 var_Set( p_sys->p_spu, "sub-filter", val );
736 spu_Init( p_sys->p_spu );
738 if( val.psz_string ) free( val.psz_string );
740 /* OSD menu transcoding parameters */
741 p_sys->psz_osdenc = NULL;
742 p_sys->p_osd_cfg = NULL;
743 p_sys->i_osdcodec = 0;
744 p_sys->b_es_osd = VLC_FALSE;
746 var_Get( p_stream, SOUT_CFG_PREFIX "osd", &val );
747 p_sys->b_sout_osd = val.b_bool;
748 if( p_sys->b_sout_osd )
753 psz_next = config_ChainCreate( &p_sys->psz_osdenc,
754 &p_sys->p_osd_cfg, strdup( "dvbsub") );
755 if( psz_next ) free( psz_next );
757 p_sys->i_osdcodec = VLC_FOURCC('Y','U','V','P' );
759 msg_Dbg( p_stream, "codec osd=%4.4s", (char *)&p_sys->i_osdcodec );
763 osd_val.psz_string = strdup("osdmenu");
764 p_sys->p_spu = spu_Create( p_stream );
765 var_Create( p_sys->p_spu, "sub-filter", VLC_VAR_STRING );
766 var_Set( p_sys->p_spu, "sub-filter", osd_val );
767 spu_Init( p_sys->p_spu );
768 if( osd_val.psz_string ) free( osd_val.psz_string );
772 osd_val.psz_string = strdup("osdmenu");
773 var_Set( p_sys->p_spu, "sub-filter", osd_val );
774 if( osd_val.psz_string ) free( osd_val.psz_string );
779 var_Get( p_stream, SOUT_CFG_PREFIX "audio-sync", &val );
780 p_sys->b_master_sync = val.b_bool;
781 if( p_sys->f_fps > 0 ) p_sys->b_master_sync = VLC_TRUE;
783 p_stream->pf_add = Add;
784 p_stream->pf_del = Del;
785 p_stream->pf_send = Send;
786 p_stream->p_sys = p_sys;
791 /*****************************************************************************
793 *****************************************************************************/
794 static void Close( vlc_object_t * p_this )
796 sout_stream_t *p_stream = (sout_stream_t*)p_this;
797 sout_stream_sys_t *p_sys = p_stream->p_sys;
799 sout_StreamDelete( p_sys->p_out );
801 while( p_sys->p_audio_cfg != NULL )
803 config_chain_t *p_next = p_sys->p_audio_cfg->p_next;
805 if( p_sys->p_audio_cfg->psz_name )
806 free( p_sys->p_audio_cfg->psz_name );
807 if( p_sys->p_audio_cfg->psz_value )
808 free( p_sys->p_audio_cfg->psz_value );
809 free( p_sys->p_audio_cfg );
811 p_sys->p_audio_cfg = p_next;
813 if( p_sys->psz_aenc ) free( p_sys->psz_aenc );
815 while( p_sys->p_video_cfg != NULL )
817 config_chain_t *p_next = p_sys->p_video_cfg->p_next;
819 if( p_sys->p_video_cfg->psz_name )
820 free( p_sys->p_video_cfg->psz_name );
821 if( p_sys->p_video_cfg->psz_value )
822 free( p_sys->p_video_cfg->psz_value );
823 free( p_sys->p_video_cfg );
825 p_sys->p_video_cfg = p_next;
827 if( p_sys->psz_venc ) free( p_sys->psz_venc );
829 while( p_sys->p_deinterlace_cfg != NULL )
831 config_chain_t *p_next = p_sys->p_deinterlace_cfg->p_next;
833 if( p_sys->p_deinterlace_cfg->psz_name )
834 free( p_sys->p_deinterlace_cfg->psz_name );
835 if( p_sys->p_deinterlace_cfg->psz_value )
836 free( p_sys->p_deinterlace_cfg->psz_value );
837 free( p_sys->p_deinterlace_cfg );
839 p_sys->p_deinterlace_cfg = p_next;
841 if( p_sys->psz_deinterlace ) free( p_sys->psz_deinterlace );
843 while( p_sys->p_spu_cfg != NULL )
845 config_chain_t *p_next = p_sys->p_spu_cfg->p_next;
847 if( p_sys->p_spu_cfg->psz_name )
848 free( p_sys->p_spu_cfg->psz_name );
849 if( p_sys->p_spu_cfg->psz_value )
850 free( p_sys->p_spu_cfg->psz_value );
851 free( p_sys->p_spu_cfg );
853 p_sys->p_spu_cfg = p_next;
855 if( p_sys->psz_senc ) free( p_sys->psz_senc );
857 if( p_sys->p_spu ) spu_Destroy( p_sys->p_spu );
859 while( p_sys->p_osd_cfg != NULL )
861 config_chain_t *p_next = p_sys->p_osd_cfg->p_next;
863 if( p_sys->p_osd_cfg->psz_name )
864 free( p_sys->p_osd_cfg->psz_name );
865 if( p_sys->p_osd_cfg->psz_value )
866 free( p_sys->p_osd_cfg->psz_value );
867 free( p_sys->p_osd_cfg );
869 p_sys->p_osd_cfg = p_next;
871 if( p_sys->psz_osdenc ) free( p_sys->psz_osdenc );
873 vlc_object_destroy( p_sys );
876 struct sout_stream_id_t
878 vlc_fourcc_t b_transcode;
880 /* id of the out stream */
884 decoder_t *p_decoder;
887 filter_t *pp_filter[TRANSCODE_FILTERS];
889 /* User specified filters */
890 filter_t *pp_ufilter[TRANSCODE_FILTERS];
894 encoder_t *p_encoder;
897 date_t interpolated_pts;
900 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
902 sout_stream_sys_t *p_sys = p_stream->p_sys;
903 sout_stream_id_t *id;
905 id = malloc( sizeof( sout_stream_id_t ) );
906 memset( id, 0, sizeof(sout_stream_id_t) );
909 id->p_decoder = NULL;
910 id->p_encoder = NULL;
912 /* Create decoder object */
913 id->p_decoder = vlc_object_create( p_stream, VLC_OBJECT_DECODER );
916 msg_Err( p_stream, "out of memory" );
919 vlc_object_attach( id->p_decoder, p_stream );
920 id->p_decoder->p_module = NULL;
921 id->p_decoder->fmt_in = *p_fmt;
922 id->p_decoder->b_pace_control = VLC_TRUE;
924 /* Create encoder object */
925 id->p_encoder = vlc_object_create( p_stream, VLC_OBJECT_ENCODER );
928 msg_Err( p_stream, "out of memory" );
931 vlc_object_attach( id->p_encoder, p_stream );
932 id->p_encoder->p_module = NULL;
934 /* Create destination format */
935 es_format_Init( &id->p_encoder->fmt_out, p_fmt->i_cat, 0 );
936 id->p_encoder->fmt_out.i_id = p_fmt->i_id;
937 id->p_encoder->fmt_out.i_group = p_fmt->i_group;
938 if( p_fmt->psz_language )
939 id->p_encoder->fmt_out.psz_language = strdup( p_fmt->psz_language );
941 if( p_fmt->i_cat == AUDIO_ES && (p_sys->i_acodec || p_sys->psz_aenc) )
944 "creating audio transcoding from fcc=`%4.4s' to fcc=`%4.4s'",
945 (char*)&p_fmt->i_codec, (char*)&p_sys->i_acodec );
947 /* Complete destination format */
948 id->p_encoder->fmt_out.i_codec = p_sys->i_acodec;
949 id->p_encoder->fmt_out.audio.i_rate = p_sys->i_sample_rate > 0 ?
950 p_sys->i_sample_rate : (int)p_fmt->audio.i_rate;
951 id->p_encoder->fmt_out.i_bitrate = p_sys->i_abitrate;
952 id->p_encoder->fmt_out.audio.i_bitspersample =
953 p_fmt->audio.i_bitspersample;
954 id->p_encoder->fmt_out.audio.i_channels = p_sys->i_channels > 0 ?
955 p_sys->i_channels : p_fmt->audio.i_channels;
956 /* Sanity check for audio channels */
957 id->p_encoder->fmt_out.audio.i_channels =
958 __MIN( id->p_encoder->fmt_out.audio.i_channels,
959 id->p_decoder->fmt_in.audio.i_channels );
960 id->p_encoder->fmt_out.audio.i_original_channels =
961 id->p_decoder->fmt_in.audio.i_physical_channels;
962 if( id->p_decoder->fmt_in.audio.i_channels ==
963 id->p_encoder->fmt_out.audio.i_channels )
965 id->p_encoder->fmt_out.audio.i_physical_channels =
966 id->p_decoder->fmt_in.audio.i_physical_channels;
970 id->p_encoder->fmt_out.audio.i_physical_channels =
971 pi_channels_maps[id->p_encoder->fmt_out.audio.i_channels];
974 /* Build decoder -> filter -> encoder chain */
975 if( transcode_audio_new( p_stream, id ) )
977 msg_Err( p_stream, "cannot create audio chain" );
981 /* Open output stream */
982 id->id = p_sys->p_out->pf_add( p_sys->p_out, &id->p_encoder->fmt_out );
983 id->b_transcode = VLC_TRUE;
987 transcode_audio_close( p_stream, id );
991 date_Init( &id->interpolated_pts, p_fmt->audio.i_rate, 1 );
993 else if( p_fmt->i_cat == VIDEO_ES &&
994 (p_sys->i_vcodec != 0 || p_sys->psz_venc) )
997 "creating video transcoding from fcc=`%4.4s' to fcc=`%4.4s'",
998 (char*)&p_fmt->i_codec, (char*)&p_sys->i_vcodec );
1000 /* Complete destination format */
1001 id->p_encoder->fmt_out.i_codec = p_sys->i_vcodec;
1002 id->p_encoder->fmt_out.video.i_width = p_sys->i_width & ~1;
1003 id->p_encoder->fmt_out.video.i_height = p_sys->i_height & ~1;
1004 id->p_encoder->fmt_out.i_bitrate = p_sys->i_vbitrate;
1006 /* Build decoder -> filter -> encoder chain */
1007 if( transcode_video_new( p_stream, id ) )
1009 msg_Err( p_stream, "cannot create video chain" );
1013 /* Stream will be added later on because we don't know
1014 * all the characteristics of the decoded stream yet */
1015 id->b_transcode = VLC_TRUE;
1017 if( p_sys->f_fps > 0 )
1019 id->p_encoder->fmt_out.video.i_frame_rate =
1020 (p_sys->f_fps * 1001) + 0.5;
1021 id->p_encoder->fmt_out.video.i_frame_rate_base = 1001;
1024 else if( p_fmt->i_cat == SPU_ES && (p_sys->i_scodec || p_sys->psz_senc) )
1026 msg_Dbg( p_stream, "creating subtitles transcoding from fcc=`%4.4s' "
1027 "to fcc=`%4.4s'", (char*)&p_fmt->i_codec,
1028 (char*)&p_sys->i_scodec );
1030 /* Complete destination format */
1031 id->p_encoder->fmt_out.i_codec = p_sys->i_scodec;
1033 /* build decoder -> filter -> encoder */
1034 if( transcode_spu_new( p_stream, id ) )
1036 msg_Err( p_stream, "cannot create subtitles chain" );
1040 /* open output stream */
1041 id->id = p_sys->p_out->pf_add( p_sys->p_out, &id->p_encoder->fmt_out );
1042 id->b_transcode = VLC_TRUE;
1046 transcode_spu_close( p_stream, id );
1050 else if( p_fmt->i_cat == SPU_ES && p_sys->b_soverlay )
1052 msg_Dbg( p_stream, "subtitles (fcc=`%4.4s') overlaying",
1053 (char*)&p_fmt->i_codec );
1055 id->b_transcode = VLC_TRUE;
1057 /* Build decoder -> filter -> overlaying chain */
1058 if( transcode_spu_new( p_stream, id ) )
1060 msg_Err( p_stream, "cannot create subtitles chain" );
1066 msg_Dbg( p_stream, "not transcoding a stream (fcc=`%4.4s')",
1067 (char*)&p_fmt->i_codec );
1068 id->id = p_sys->p_out->pf_add( p_sys->p_out, p_fmt );
1069 id->b_transcode = VLC_FALSE;
1071 if( !id->id ) goto error;
1074 if( p_sys->b_sout_osd )
1076 /* Create a fake OSD menu elementary stream */
1077 if( !p_sys->b_es_osd && (p_sys->i_osdcodec != 0 || p_sys->psz_osdenc) )
1079 if( transcode_osd_new( p_stream, p_sys->id_osd ) )
1081 msg_Err( p_stream, "cannot create osd chain" );
1084 p_sys->b_es_osd = VLC_TRUE;
1092 vlc_object_detach( id->p_decoder );
1093 vlc_object_destroy( id->p_decoder );
1094 id->p_decoder = NULL;
1099 vlc_object_detach( id->p_encoder );
1100 es_format_Clean( &id->p_encoder->fmt_out );
1101 vlc_object_destroy( id->p_encoder );
1102 id->p_encoder = NULL;
1109 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
1111 sout_stream_sys_t *p_sys = p_stream->p_sys;
1113 if( p_sys->b_es_osd )
1114 transcode_osd_close( p_stream, p_sys->id_osd );
1116 if( id->b_transcode )
1118 switch( id->p_decoder->fmt_in.i_cat )
1121 transcode_audio_close( p_stream, id );
1124 transcode_video_close( p_stream, id );
1127 transcode_spu_close( p_stream, id );
1132 if( id->id ) p_sys->p_out->pf_del( p_sys->p_out, id->id );
1136 vlc_object_detach( id->p_decoder );
1137 vlc_object_destroy( id->p_decoder );
1138 id->p_decoder = NULL;
1143 vlc_object_detach( id->p_encoder );
1144 es_format_Clean( &id->p_encoder->fmt_out );
1145 vlc_object_destroy( id->p_encoder );
1146 id->p_encoder = NULL;
1153 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
1156 sout_stream_sys_t *p_sys = p_stream->p_sys;
1157 block_t *p_out = NULL;
1159 if( !id->b_transcode && id->id )
1161 /* Transcode OSD menu pictures. */
1162 if( p_sys->b_es_osd )
1164 transcode_osd_process( p_stream, id, p_buffer, &p_out );
1166 return p_sys->p_out->pf_send( p_sys->p_out, id->id, p_buffer );
1168 else if( !id->b_transcode )
1170 block_Release( p_buffer );
1171 return VLC_EGENERIC;
1174 switch( id->p_decoder->fmt_in.i_cat )
1177 transcode_audio_process( p_stream, id, p_buffer, &p_out );
1181 if( transcode_video_process( p_stream, id, p_buffer, &p_out )
1184 return VLC_EGENERIC;
1189 if( transcode_spu_process( p_stream, id, p_buffer, &p_out ) !=
1192 return VLC_EGENERIC;
1198 block_Release( p_buffer );
1202 if( p_out ) return p_sys->p_out->pf_send( p_sys->p_out, id->id, p_out );
1206 /****************************************************************************
1207 * decoder reencoder part
1208 ****************************************************************************/
1209 int audio_BitsPerSample( vlc_fourcc_t i_format )
1213 case VLC_FOURCC('u','8',' ',' '):
1214 case VLC_FOURCC('s','8',' ',' '):
1217 case VLC_FOURCC('u','1','6','l'):
1218 case VLC_FOURCC('s','1','6','l'):
1219 case VLC_FOURCC('u','1','6','b'):
1220 case VLC_FOURCC('s','1','6','b'):
1223 case VLC_FOURCC('u','2','4','l'):
1224 case VLC_FOURCC('s','2','4','l'):
1225 case VLC_FOURCC('u','2','4','b'):
1226 case VLC_FOURCC('s','2','4','b'):
1229 case VLC_FOURCC('u','3','2','l'):
1230 case VLC_FOURCC('s','3','2','l'):
1231 case VLC_FOURCC('u','3','2','b'):
1232 case VLC_FOURCC('s','3','2','b'):
1233 case VLC_FOURCC('f','l','3','2'):
1234 case VLC_FOURCC('f','i','3','2'):
1237 case VLC_FOURCC('f','l','6','4'):
1244 static filter_t *transcode_audio_filter_new( sout_stream_t *p_stream,
1245 sout_stream_id_t *id,
1246 es_format_t *p_fmt_in,
1247 es_format_t *p_fmt_out,
1250 sout_stream_sys_t *p_sys = p_stream->p_sys;
1251 filter_t *p_filter = vlc_object_create( p_stream, VLC_OBJECT_FILTER );
1253 vlc_object_attach( p_filter, p_stream );
1254 p_filter->pf_audio_buffer_new = (block_t* (*) (filter_t*, int))__block_New;
1256 p_filter->fmt_in = *p_fmt_in;
1257 p_filter->fmt_out = *p_fmt_out;
1259 p_filter->p_cfg = p_sys->p_afilters_cfg[id->i_ufilter];
1261 p_filter->p_module = module_Need( p_filter, "audio filter2", psz_name, 0 );
1262 if( p_filter->p_module )
1264 p_filter->fmt_out.audio.i_bitspersample =
1265 audio_BitsPerSample( p_filter->fmt_out.i_codec );
1266 *p_fmt_in = p_filter->fmt_out;
1270 vlc_object_detach( p_filter );
1271 vlc_object_destroy( p_filter );
1278 static int transcode_audio_new( sout_stream_t *p_stream,
1279 sout_stream_id_t *id )
1281 sout_stream_sys_t *p_sys = p_stream->p_sys;
1282 es_format_t fmt_last;
1289 /* Initialization of decoder structures */
1290 id->p_decoder->fmt_out = id->p_decoder->fmt_in;
1291 id->p_decoder->fmt_out.i_extra = 0;
1292 id->p_decoder->fmt_out.p_extra = 0;
1293 id->p_decoder->pf_decode_audio = 0;
1294 id->p_decoder->pf_aout_buffer_new = audio_new_buffer;
1295 id->p_decoder->pf_aout_buffer_del = audio_del_buffer;
1296 /* id->p_decoder->p_cfg = p_sys->p_audio_cfg; */
1298 id->p_decoder->p_module =
1299 module_Need( id->p_decoder, "decoder", "$codec", 0 );
1300 if( !id->p_decoder->p_module )
1302 msg_Err( p_stream, "cannot find decoder" );
1303 return VLC_EGENERIC;
1305 id->p_decoder->fmt_out.audio.i_bitspersample =
1306 audio_BitsPerSample( id->p_decoder->fmt_out.i_codec );
1307 fmt_last = id->p_decoder->fmt_out;
1308 /* FIX decoders so we don't have to do this */
1309 fmt_last.audio.i_rate = id->p_decoder->fmt_in.audio.i_rate;
1315 /* Initialization of encoder format structures */
1316 es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
1317 id->p_decoder->fmt_out.i_codec );
1318 id->p_encoder->fmt_in.audio.i_format = id->p_decoder->fmt_out.i_codec;
1320 /* Initialization of encoder format structures */
1321 es_format_Init( &id->p_encoder->fmt_in, AUDIO_ES, VLC_FOURCC('f','l','3','2') );
1322 id->p_encoder->fmt_in.audio.i_format = VLC_FOURCC('f','l','3','2');
1324 id->p_encoder->fmt_in.audio.i_rate = id->p_encoder->fmt_out.audio.i_rate;
1325 id->p_encoder->fmt_in.audio.i_physical_channels =
1326 id->p_encoder->fmt_out.audio.i_physical_channels;
1327 id->p_encoder->fmt_in.audio.i_original_channels =
1328 id->p_encoder->fmt_out.audio.i_original_channels;
1329 id->p_encoder->fmt_in.audio.i_channels =
1330 id->p_encoder->fmt_out.audio.i_channels;
1331 id->p_encoder->fmt_in.audio.i_bitspersample =
1332 audio_BitsPerSample( id->p_encoder->fmt_in.i_codec );
1334 id->p_encoder->p_cfg = p_stream->p_sys->p_audio_cfg;
1335 id->p_encoder->p_module =
1336 module_Need( id->p_encoder, "encoder", p_sys->psz_aenc, VLC_TRUE );
1337 if( !id->p_encoder->p_module )
1339 msg_Err( p_stream, "cannot find encoder (%s)", p_sys->psz_aenc );
1340 module_Unneed( id->p_decoder, id->p_decoder->p_module );
1341 id->p_decoder->p_module = NULL;
1342 return VLC_EGENERIC;
1344 id->p_encoder->fmt_in.audio.i_format = id->p_encoder->fmt_in.i_codec;
1345 id->p_encoder->fmt_in.audio.i_bitspersample =
1346 audio_BitsPerSample( id->p_encoder->fmt_in.i_codec );
1348 /* Load conversion filters */
1349 if( fmt_last.audio.i_channels != id->p_encoder->fmt_in.audio.i_channels ||
1350 fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate )
1352 /* We'll have to go through fl32 first */
1353 es_format_t fmt_out = id->p_encoder->fmt_in;
1354 fmt_out.i_codec = fmt_out.audio.i_format = VLC_FOURCC('f','l','3','2');
1356 id->pp_filter[id->i_filter] =
1357 transcode_audio_filter_new( p_stream, id, &fmt_last, &fmt_out, NULL );
1359 if( id->pp_filter[id->i_filter] ) id->i_filter++;
1362 for( i = 0; i < TRANSCODE_FILTERS; i++ )
1364 if( (fmt_last.audio.i_channels !=
1365 id->p_encoder->fmt_in.audio.i_channels) ||
1366 (fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate) ||
1367 (fmt_last.i_codec != id->p_encoder->fmt_in.i_codec) )
1369 id->pp_filter[id->i_filter] =
1370 transcode_audio_filter_new( p_stream, id, &fmt_last,
1371 &id->p_encoder->fmt_in, NULL );
1373 if( id->pp_filter[id->i_filter] )
1380 /* Final checks to see if conversions were successful */
1381 if( fmt_last.i_codec != id->p_encoder->fmt_in.i_codec )
1383 msg_Err( p_stream, "no audio filter found (%4.4s->%4.4s)",
1384 (char *)&fmt_last.i_codec,
1385 (char *)&id->p_encoder->fmt_in.i_codec );
1386 transcode_audio_close( p_stream, id );
1387 return VLC_EGENERIC;
1390 /* Load user specified audio filters now */
1391 for( i = 0; (i < p_sys->i_afilters) &&
1392 (id->i_ufilter < TRANSCODE_FILTERS); i++ )
1394 id->pp_ufilter[id->i_ufilter] =
1395 transcode_audio_filter_new( p_stream, id, &fmt_last,
1396 &id->p_encoder->fmt_in,
1397 p_sys->psz_afilters[i] );
1399 if( id->pp_ufilter[id->i_ufilter] )
1405 if( fmt_last.audio.i_channels != id->p_encoder->fmt_in.audio.i_channels )
1408 module_Unneed( id->p_encoder, id->p_encoder->p_module );
1409 id->p_encoder->p_module = NULL;
1411 /* This might work, but only if the encoder is restarted */
1412 id->p_encoder->fmt_in.audio.i_channels = fmt_last.audio.i_channels;
1413 id->p_encoder->fmt_out.audio.i_channels = fmt_last.audio.i_channels;
1415 id->p_encoder->fmt_in.audio.i_physical_channels =
1416 id->p_encoder->fmt_in.audio.i_original_channels =
1417 fmt_last.audio.i_physical_channels;
1418 id->p_encoder->fmt_out.audio.i_physical_channels =
1419 id->p_encoder->fmt_out.audio.i_original_channels =
1420 fmt_last.audio.i_physical_channels;
1422 msg_Dbg( p_stream, "number of audio channels for mixing changed, "
1423 "trying to reopen the encoder for mixing %i to %i channels",
1424 fmt_last.audio.i_channels,
1425 id->p_encoder->fmt_in.audio.i_channels );
1427 /* reload encoder */
1428 id->p_encoder->p_cfg = p_stream->p_sys->p_audio_cfg;
1429 id->p_encoder->p_module =
1430 module_Need( id->p_encoder, "encoder", p_sys->psz_aenc, VLC_TRUE );
1431 if( !id->p_encoder->p_module )
1433 msg_Err( p_stream, "cannot find encoder (%s)", p_sys->psz_aenc );
1434 transcode_audio_close( p_stream, id );
1435 return VLC_EGENERIC;
1437 id->p_encoder->fmt_in.audio.i_format = id->p_encoder->fmt_in.i_codec;
1438 id->p_encoder->fmt_in.audio.i_bitspersample =
1439 audio_BitsPerSample( id->p_encoder->fmt_in.i_codec );
1441 msg_Err( p_stream, "no audio filter found for mixing from"
1442 " %i to %i channels", fmt_last.audio.i_channels,
1443 id->p_encoder->fmt_in.audio.i_channels );
1445 transcode_audio_close( p_stream, id );
1446 return VLC_EGENERIC;
1450 if( fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate )
1452 msg_Err( p_stream, "no audio filter found for resampling from"
1453 " %iHz to %iHz", fmt_last.audio.i_rate,
1454 id->p_encoder->fmt_in.audio.i_rate );
1456 /* FIXME : this might work, but only if the encoder is restarted */
1457 id->p_encoder->fmt_in.audio.i_rate = fmt_last.audio.i_rate;
1458 id->p_encoder->fmt_out.audio.i_rate = fmt_last.audio.i_rate;
1460 transcode_audio_close( p_stream, id );
1461 return VLC_EGENERIC;
1465 /* FIXME: Hack for mp3 transcoding support */
1466 if( id->p_encoder->fmt_out.i_codec == VLC_FOURCC( 'm','p','3',' ' ) )
1467 id->p_encoder->fmt_out.i_codec = VLC_FOURCC( 'm','p','g','a' );
1472 static void transcode_audio_close( sout_stream_t *p_stream,
1473 sout_stream_id_t *id )
1478 if( id->p_decoder->p_module )
1479 module_Unneed( id->p_decoder, id->p_decoder->p_module );
1480 id->p_decoder->p_module = NULL;
1483 if( id->p_encoder->p_module )
1484 module_Unneed( id->p_encoder, id->p_encoder->p_module );
1485 id->p_encoder->p_module = NULL;
1488 for( i = 0; i < id->i_filter; i++ )
1490 vlc_object_detach( id->pp_filter[i] );
1491 if( id->pp_filter[i]->p_module )
1492 module_Unneed( id->pp_filter[i], id->pp_filter[i]->p_module );
1493 vlc_object_destroy( id->pp_filter[i] );
1495 for( i = 0; i < id->i_ufilter; i++ )
1497 vlc_object_detach( id->pp_ufilter[i] );
1498 if( id->pp_ufilter[i]->p_module )
1499 module_Unneed( id->pp_ufilter[i], id->pp_ufilter[i]->p_module );
1500 vlc_object_destroy( id->pp_ufilter[i] );
1504 static int transcode_audio_process( sout_stream_t *p_stream,
1505 sout_stream_id_t *id,
1506 block_t *in, block_t **out )
1508 sout_stream_sys_t *p_sys = p_stream->p_sys;
1509 aout_buffer_t *p_audio_buf;
1510 block_t *p_block, *p_audio_block;
1513 input_thread_t *p_input = NULL;
1515 if( p_stream->p_parent->p_parent && p_stream->p_parent->p_parent->
1516 i_object_type == VLC_OBJECT_INPUT )
1517 p_input = (input_thread_t *)p_stream->p_parent->p_parent;
1519 while( (p_audio_buf = id->p_decoder->pf_decode_audio( id->p_decoder,
1523 stats_UpdateInteger( p_input, p_input->p->counters.p_decoded_audio,
1525 if( p_sys->b_master_sync )
1527 mtime_t i_dts = date_Get( &id->interpolated_pts ) + 1;
1528 if ( p_audio_buf->start_date - i_dts > MASTER_SYNC_MAX_DRIFT
1529 || p_audio_buf->start_date - i_dts < -MASTER_SYNC_MAX_DRIFT )
1531 msg_Dbg( p_stream, "drift is too high, resetting master sync" );
1532 date_Set( &id->interpolated_pts, p_audio_buf->start_date );
1533 i_dts = p_audio_buf->start_date + 1;
1535 p_sys->i_master_drift = p_audio_buf->start_date - i_dts;
1536 date_Increment( &id->interpolated_pts, p_audio_buf->i_nb_samples );
1537 p_audio_buf->start_date -= p_sys->i_master_drift;
1538 p_audio_buf->end_date -= p_sys->i_master_drift;
1541 p_audio_block = p_audio_buf->p_sys;
1542 p_audio_block->i_buffer = p_audio_buf->i_nb_bytes;
1543 p_audio_block->i_dts = p_audio_block->i_pts =
1544 p_audio_buf->start_date;
1545 p_audio_block->i_length = p_audio_buf->end_date -
1546 p_audio_buf->start_date;
1547 p_audio_block->i_samples = p_audio_buf->i_nb_samples;
1549 /* Run filter chain */
1550 for( i = 0; i < id->i_filter; i++ )
1553 id->pp_filter[i]->pf_audio_filter( id->pp_filter[i],
1557 /* Run user specified filter chain */
1558 for( i = 0; i < id->i_ufilter; i++ )
1561 id->pp_ufilter[i]->pf_audio_filter( id->pp_ufilter[i],
1565 p_audio_buf->p_buffer = p_audio_block->p_buffer;
1566 p_audio_buf->i_nb_bytes = p_audio_block->i_buffer;
1567 p_audio_buf->i_nb_samples = p_audio_block->i_samples;
1568 p_audio_buf->start_date = p_audio_block->i_dts;
1569 p_audio_buf->end_date = p_audio_block->i_dts + p_audio_block->i_length;
1571 p_block = id->p_encoder->pf_encode_audio( id->p_encoder, p_audio_buf );
1572 block_ChainAppend( out, p_block );
1573 block_Release( p_audio_block );
1574 free( p_audio_buf );
1580 static void audio_release_buffer( aout_buffer_t *p_buffer )
1582 if( p_buffer && p_buffer->p_sys ) block_Release( p_buffer->p_sys );
1583 if( p_buffer ) free( p_buffer );
1586 static aout_buffer_t *audio_new_buffer( decoder_t *p_dec, int i_samples )
1588 aout_buffer_t *p_buffer;
1592 if( p_dec->fmt_out.audio.i_bitspersample )
1594 i_size = i_samples * p_dec->fmt_out.audio.i_bitspersample / 8 *
1595 p_dec->fmt_out.audio.i_channels;
1597 else if( p_dec->fmt_out.audio.i_bytes_per_frame &&
1598 p_dec->fmt_out.audio.i_frame_length )
1600 i_size = i_samples * p_dec->fmt_out.audio.i_bytes_per_frame /
1601 p_dec->fmt_out.audio.i_frame_length;
1605 i_size = i_samples * 4 * p_dec->fmt_out.audio.i_channels;
1608 p_buffer = malloc( sizeof(aout_buffer_t) );
1609 p_buffer->pf_release = audio_release_buffer;
1610 p_buffer->p_sys = p_block = block_New( p_dec, i_size );
1612 p_buffer->p_buffer = p_block->p_buffer;
1613 p_buffer->i_size = p_buffer->i_nb_bytes = p_block->i_buffer;
1614 p_buffer->i_nb_samples = i_samples;
1615 p_block->i_samples = i_samples;
1620 static void audio_del_buffer( decoder_t *p_dec, aout_buffer_t *p_buffer )
1622 if( p_buffer && p_buffer->p_sys ) block_Release( p_buffer->p_sys );
1623 if( p_buffer ) free( p_buffer );
1629 static int transcode_video_new( sout_stream_t *p_stream, sout_stream_id_t *id )
1631 sout_stream_sys_t *p_sys = p_stream->p_sys;
1635 * Initialization of decoder structures
1637 id->p_decoder->fmt_out = id->p_decoder->fmt_in;
1638 id->p_decoder->fmt_out.i_extra = 0;
1639 id->p_decoder->fmt_out.p_extra = 0;
1640 id->p_decoder->pf_decode_video = 0;
1641 id->p_decoder->pf_vout_buffer_new = video_new_buffer_decoder;
1642 id->p_decoder->pf_vout_buffer_del = video_del_buffer_decoder;
1643 id->p_decoder->pf_picture_link = video_link_picture_decoder;
1644 id->p_decoder->pf_picture_unlink = video_unlink_picture_decoder;
1645 id->p_decoder->p_owner = malloc( sizeof(decoder_owner_sys_t) );
1646 for( i = 0; i < PICTURE_RING_SIZE; i++ )
1647 id->p_decoder->p_owner->pp_pics[i] = 0;
1648 id->p_decoder->p_owner->p_sys = p_sys;
1649 /* id->p_decoder->p_cfg = p_sys->p_video_cfg; */
1651 id->p_decoder->p_module =
1652 module_Need( id->p_decoder, "decoder", "$codec", 0 );
1654 if( !id->p_decoder->p_module )
1656 msg_Err( p_stream, "cannot find decoder" );
1657 return VLC_EGENERIC;
1662 * Because some info about the decoded input will only be available
1663 * once the first frame is decoded, we actually only test the availability
1664 * of the encoder here.
1667 /* Initialization of encoder format structures */
1668 es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
1669 id->p_decoder->fmt_out.i_codec );
1670 id->p_encoder->fmt_in.video.i_chroma = id->p_decoder->fmt_out.i_codec;
1672 /* The dimensions will be set properly later on.
1673 * Just put sensible values so we can test an encoder is available. */
1674 id->p_encoder->fmt_in.video.i_width =
1675 id->p_encoder->fmt_out.video.i_width ?
1676 id->p_encoder->fmt_out.video.i_width :
1677 id->p_decoder->fmt_in.video.i_width ?
1678 id->p_decoder->fmt_in.video.i_width : 16;
1679 id->p_encoder->fmt_in.video.i_height =
1680 id->p_encoder->fmt_out.video.i_height ?
1681 id->p_encoder->fmt_out.video.i_height :
1682 id->p_decoder->fmt_in.video.i_height ?
1683 id->p_decoder->fmt_in.video.i_height : 16;
1684 id->p_encoder->fmt_in.video.i_frame_rate = 25;
1685 id->p_encoder->fmt_in.video.i_frame_rate_base = 1;
1687 id->p_encoder->i_threads = p_sys->i_threads;
1688 id->p_encoder->p_cfg = p_sys->p_video_cfg;
1690 id->p_encoder->p_module =
1691 module_Need( id->p_encoder, "encoder", p_sys->psz_venc, VLC_TRUE );
1692 if( !id->p_encoder->p_module )
1694 msg_Err( p_stream, "cannot find encoder (%s)", p_sys->psz_venc );
1695 module_Unneed( id->p_decoder, id->p_decoder->p_module );
1696 id->p_decoder->p_module = 0;
1697 return VLC_EGENERIC;
1700 /* Close the encoder.
1701 * We'll open it only when we have the first frame. */
1702 module_Unneed( id->p_encoder, id->p_encoder->p_module );
1703 if( id->p_encoder->fmt_out.p_extra )
1705 free( id->p_encoder->fmt_out.p_extra );
1706 id->p_encoder->fmt_out.p_extra = NULL;
1707 id->p_encoder->fmt_out.i_extra = 0;
1709 id->p_encoder->p_module = NULL;
1711 if( p_sys->i_threads >= 1 )
1713 int i_priority = p_sys->b_high_priority ? VLC_THREAD_PRIORITY_OUTPUT :
1714 VLC_THREAD_PRIORITY_VIDEO;
1715 p_sys->id_video = id;
1716 vlc_mutex_init( p_stream, &p_sys->lock_out );
1717 vlc_cond_init( p_stream, &p_sys->cond );
1718 memset( p_sys->pp_pics, 0, sizeof(p_sys->pp_pics) );
1719 p_sys->i_first_pic = 0;
1720 p_sys->i_last_pic = 0;
1721 p_sys->p_buffers = NULL;
1722 p_sys->b_die = p_sys->b_error = 0;
1723 if( vlc_thread_create( p_sys, "encoder", EncoderThread, i_priority,
1726 msg_Err( p_stream, "cannot spawn encoder thread" );
1727 module_Unneed( id->p_decoder, id->p_decoder->p_module );
1728 id->p_decoder->p_module = 0;
1729 return VLC_EGENERIC;
1736 static int transcode_video_encoder_open( sout_stream_t *p_stream,
1737 sout_stream_id_t *id )
1739 sout_stream_sys_t *p_sys = p_stream->p_sys;
1741 /* Calculate scaling, padding, cropping etc. */
1742 /* width/height of source */
1743 int i_src_width = id->p_decoder->fmt_out.video.i_width;
1744 int i_src_height = id->p_decoder->fmt_out.video.i_height;
1746 /* with/height scaling */
1747 float f_scale_width = 1;
1748 float f_scale_height = 1;
1750 /* width/height of output stream */
1755 float f_aspect = (float)id->p_decoder->fmt_out.video.i_aspect /
1758 msg_Dbg( p_stream, "decoder aspect is %i:%i",
1759 id->p_decoder->fmt_out.video.i_aspect, VOUT_ASPECT_FACTOR );
1761 /* Change f_aspect from source frame to source pixel */
1762 f_aspect = f_aspect * i_src_height / i_src_width;
1763 msg_Dbg( p_stream, "source pixel aspect is %f:1", f_aspect );
1765 /* width/height after cropping */
1766 p_sys->i_src_x_offset = p_sys->i_crop_left & ~1;
1767 p_sys->i_src_y_offset = p_sys->i_crop_top & ~1;
1768 p_sys->i_crop_width = i_src_width - ( p_sys->i_crop_left & ~1 ) -
1769 ( p_sys->i_crop_right & ~1 );
1770 p_sys->i_crop_height = i_src_height - ( p_sys->i_crop_top & ~1 ) -
1771 ( p_sys->i_crop_bottom & ~1 );
1773 /* Calculate scaling factor for specified parameters */
1774 if( id->p_encoder->fmt_out.video.i_width <= 0 &&
1775 id->p_encoder->fmt_out.video.i_height <= 0 && p_sys->f_scale )
1777 /* Global scaling. Make sure width will remain a factor of 16 */
1780 int i_new_width = i_src_width * p_sys->f_scale;
1782 if( i_new_width % 16 <= 7 && i_new_width >= 16 )
1783 i_new_width -= i_new_width % 16;
1785 i_new_width += 16 - i_new_width % 16;
1787 f_real_scale = (float)( i_new_width ) / (float) i_src_width;
1789 i_new_height = __MAX( 16, i_src_height * (float)f_real_scale );
1791 f_scale_width = f_real_scale;
1792 f_scale_height = (float) i_new_height / (float) i_src_height;
1794 else if( id->p_encoder->fmt_out.video.i_width > 0 &&
1795 id->p_encoder->fmt_out.video.i_height <= 0 )
1797 /* Only width specified */
1798 f_scale_width = (float)id->p_encoder->fmt_out.video.i_width /
1799 p_sys->i_crop_width;
1800 f_scale_height = f_scale_width;
1802 else if( id->p_encoder->fmt_out.video.i_width <= 0 &&
1803 id->p_encoder->fmt_out.video.i_height > 0 )
1805 /* Only height specified */
1806 f_scale_height = (float)id->p_encoder->fmt_out.video.i_height /
1807 p_sys->i_crop_height;
1808 f_scale_width = f_scale_height;
1810 else if( id->p_encoder->fmt_out.video.i_width > 0 &&
1811 id->p_encoder->fmt_out.video.i_height > 0 )
1813 /* Width and height specified */
1814 f_scale_width = (float)id->p_encoder->fmt_out.video.i_width
1815 / p_sys->i_crop_width;
1816 f_scale_height = (float)id->p_encoder->fmt_out.video.i_height
1817 / p_sys->i_crop_height;
1820 /* check maxwidth and maxheight
1821 * note: maxwidth and maxheight currently does not handle
1822 * canvas and padding, just scaling and cropping.
1824 if( p_sys->i_maxwidth && f_scale_width > (float)p_sys->i_maxwidth /
1825 p_sys->i_crop_width )
1827 f_scale_width = (float)p_sys->i_maxwidth / p_sys->i_crop_width;
1829 if( p_sys->i_maxheight && f_scale_height > (float)p_sys->i_maxheight /
1830 p_sys->i_crop_height )
1832 f_scale_height = (float)p_sys->i_maxheight / p_sys->i_crop_height;
1835 /* Change aspect ratio from source pixel to scaled pixel */
1836 f_aspect = f_aspect * f_scale_height / f_scale_width;
1837 msg_Dbg( p_stream, "scaled pixel aspect is %f:1", f_aspect );
1839 /* Correct scaling for target aspect ratio
1840 * Shrink video if necessary
1842 if ( p_sys->i_canvas_aspect > 0 )
1844 float f_target_aspect = (float)p_sys->i_canvas_aspect /
1847 if( p_sys->i_canvas_width > 0 && p_sys->i_canvas_height > 0)
1849 /* Calculate pixel aspect of canvas */
1850 f_target_aspect = f_target_aspect / p_sys->i_canvas_width *
1851 p_sys->i_canvas_height;
1853 if( f_target_aspect > f_aspect )
1855 /* Reduce width scale to increase aspect */
1856 f_scale_width = f_scale_width * f_aspect / f_target_aspect;
1860 /* Reduce height scale to decrease aspect */
1861 f_scale_height = f_scale_height * f_target_aspect / f_aspect;
1863 f_aspect = f_target_aspect;
1864 msg_Dbg( p_stream, "canvas scaled pixel aspect is %f:1", f_aspect );
1867 /* f_scale_width and f_scale_height are now final */
1868 /* Calculate width, height from scaling
1869 * Make sure its multiple of 2
1871 i_dst_width = 2 * (int)( p_sys->i_crop_width * f_scale_width / 2 + 0.5 );
1873 (int)( p_sys->i_crop_height * f_scale_height / 2 + 0.5 );
1875 p_sys->i_nopadd_width = i_dst_width;
1876 p_sys->i_nopadd_height = i_dst_height;
1877 p_sys->i_dst_x_offset = 0;
1878 p_sys->i_dst_y_offset = 0;
1880 /* Handle canvas and padding */
1881 if( p_sys->i_canvas_width <= 0 )
1883 /* No canvas width set, add explicit padding border */
1884 i_dst_width = p_sys->i_nopadd_width + ( p_sys->i_padd_left & ~1 ) +
1885 ( p_sys->i_padd_right & ~1 );
1886 p_sys->i_dst_x_offset = ( p_sys->i_padd_left & ~1 );
1890 /* Canvas set, check if we have to padd or crop */
1891 if( p_sys->i_canvas_width < p_sys->i_nopadd_width )
1893 /* need to crop more, but keep same scaling */
1894 int i_crop = 2 * (int)( ( p_sys->i_canvas_width & ~1 ) /
1895 f_scale_width / 2 + 0.5 );
1897 p_sys->i_src_x_offset += ( ( p_sys->i_crop_width - i_crop ) / 2 )
1899 p_sys->i_crop_width = i_crop;
1900 i_dst_width = p_sys->i_canvas_width & ~1;
1901 p_sys->i_nopadd_width = i_dst_width;
1903 else if( p_sys->i_canvas_width > p_sys->i_nopadd_width )
1906 i_dst_width = p_sys->i_canvas_width & ~1;
1907 p_sys->i_dst_x_offset = ( i_dst_width - p_sys->i_nopadd_width )/2;
1908 p_sys->i_dst_x_offset = p_sys->i_dst_x_offset & ~1;
1912 if( p_sys->i_canvas_height <= 0 )
1914 /* No canvas set, add padding border */
1915 i_dst_height = p_sys->i_nopadd_height + ( p_sys->i_padd_top & ~1 ) +
1916 ( p_sys->i_padd_bottom & ~1 );
1917 p_sys->i_dst_y_offset = ( p_sys->i_padd_top & ~1 );
1921 /* Canvas set, check if we have to padd or crop */
1922 if( p_sys->i_canvas_height < p_sys->i_nopadd_height )
1924 /* need to crop more, but keep same scaling */
1925 int i_crop = 2 * (int)( ( p_sys->i_canvas_height & ~1 ) /
1926 f_scale_height / 2 + 0.5 );
1928 p_sys->i_src_y_offset += ( ( p_sys->i_crop_height - i_crop ) / 2 )
1930 p_sys->i_crop_height = i_crop;
1931 i_dst_height = p_sys->i_canvas_height & ~1;
1932 p_sys->i_nopadd_height = i_dst_height;
1934 else if( p_sys->i_canvas_height > p_sys->i_nopadd_height )
1937 i_dst_height = p_sys->i_canvas_height & ~1;
1938 p_sys->i_dst_y_offset = ( i_dst_height - p_sys->i_nopadd_height )
1940 p_sys->i_dst_y_offset = p_sys->i_dst_y_offset & ~1;
1944 /* Change aspect ratio from scaled pixel to output frame */
1945 f_aspect = f_aspect * i_dst_width / i_dst_height;
1947 /* Store calculated values */
1948 id->p_encoder->fmt_out.video.i_width = i_dst_width;
1949 id->p_encoder->fmt_out.video.i_height = i_dst_height;
1951 id->p_encoder->fmt_in.video.i_width = i_dst_width;
1952 id->p_encoder->fmt_in.video.i_height = i_dst_height;
1954 msg_Dbg( p_stream, "source %ix%i, crop %ix%i, "
1955 "destination %ix%i, padding %ix%i",
1956 i_src_width, i_src_height,
1957 p_sys->i_crop_width, p_sys->i_crop_height,
1958 p_sys->i_nopadd_width, p_sys->i_nopadd_height,
1959 i_dst_width, i_dst_height
1962 /* Handle frame rate conversion */
1963 if( !id->p_encoder->fmt_out.video.i_frame_rate ||
1964 !id->p_encoder->fmt_out.video.i_frame_rate_base )
1966 if( id->p_decoder->fmt_out.video.i_frame_rate &&
1967 id->p_decoder->fmt_out.video.i_frame_rate_base )
1969 id->p_encoder->fmt_out.video.i_frame_rate =
1970 id->p_decoder->fmt_out.video.i_frame_rate;
1971 id->p_encoder->fmt_out.video.i_frame_rate_base =
1972 id->p_decoder->fmt_out.video.i_frame_rate_base;
1976 /* Pick a sensible default value */
1977 id->p_encoder->fmt_out.video.i_frame_rate = 25;
1978 id->p_encoder->fmt_out.video.i_frame_rate_base = 1;
1982 id->p_encoder->fmt_in.video.i_frame_rate =
1983 id->p_encoder->fmt_out.video.i_frame_rate;
1984 id->p_encoder->fmt_in.video.i_frame_rate_base =
1985 id->p_encoder->fmt_out.video.i_frame_rate_base;
1987 date_Init( &id->interpolated_pts,
1988 id->p_encoder->fmt_out.video.i_frame_rate,
1989 id->p_encoder->fmt_out.video.i_frame_rate_base );
1991 /* Check whether a particular aspect ratio was requested */
1992 if( !id->p_encoder->fmt_out.video.i_aspect )
1994 id->p_encoder->fmt_out.video.i_aspect = (int)( f_aspect * VOUT_ASPECT_FACTOR + 0.5 );
1996 id->p_encoder->fmt_in.video.i_aspect =
1997 id->p_encoder->fmt_out.video.i_aspect;
1999 msg_Dbg( p_stream, "encoder aspect is %i:%i", id->p_encoder->fmt_out.video.i_aspect, VOUT_ASPECT_FACTOR );
2001 id->p_encoder->p_module =
2002 module_Need( id->p_encoder, "encoder", p_sys->psz_venc, VLC_TRUE );
2003 if( !id->p_encoder->p_module )
2005 msg_Err( p_stream, "cannot find encoder (%s)", p_sys->psz_venc );
2006 return VLC_EGENERIC;
2009 id->p_encoder->fmt_in.video.i_chroma = id->p_encoder->fmt_in.i_codec;
2011 /* Hack for mp2v/mp1v transcoding support */
2012 if( id->p_encoder->fmt_out.i_codec == VLC_FOURCC('m','p','1','v') ||
2013 id->p_encoder->fmt_out.i_codec == VLC_FOURCC('m','p','2','v') )
2015 id->p_encoder->fmt_out.i_codec = VLC_FOURCC('m','p','g','v');
2018 id->id = p_stream->p_sys->p_out->pf_add( p_stream->p_sys->p_out,
2019 &id->p_encoder->fmt_out );
2022 msg_Err( p_stream, "cannot add this stream" );
2023 return VLC_EGENERIC;
2029 static void transcode_video_close( sout_stream_t *p_stream,
2030 sout_stream_id_t *id )
2034 if( p_stream->p_sys->i_threads >= 1 )
2036 vlc_mutex_lock( &p_stream->p_sys->lock_out );
2037 p_stream->p_sys->b_die = 1;
2038 vlc_cond_signal( &p_stream->p_sys->cond );
2039 vlc_mutex_unlock( &p_stream->p_sys->lock_out );
2040 vlc_thread_join( p_stream->p_sys );
2041 vlc_mutex_destroy( &p_stream->p_sys->lock_out );
2042 vlc_cond_destroy( &p_stream->p_sys->cond );
2046 if( id->p_decoder->p_module )
2047 module_Unneed( id->p_decoder, id->p_decoder->p_module );
2049 if( id->p_decoder->p_owner )
2051 /* Clean-up pictures ring buffer */
2052 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2054 if( id->p_decoder->p_owner->pp_pics[i] )
2055 video_del_buffer( VLC_OBJECT(id->p_decoder),
2056 id->p_decoder->p_owner->pp_pics[i] );
2058 free( id->p_decoder->p_owner );
2062 if( id->p_encoder->p_module )
2063 module_Unneed( id->p_encoder, id->p_encoder->p_module );
2066 for( i = 0; i < id->i_filter; i++ )
2068 vlc_object_detach( id->pp_filter[i] );
2069 if( id->pp_filter[i]->p_module )
2070 module_Unneed( id->pp_filter[i], id->pp_filter[i]->p_module );
2072 /* Clean-up pictures ring buffer */
2073 for( j = 0; j < PICTURE_RING_SIZE; j++ )
2075 if( id->pp_filter[i]->p_owner->pp_pics[j] )
2076 video_del_buffer( VLC_OBJECT(id->pp_filter[i]),
2077 id->pp_filter[i]->p_owner->pp_pics[j] );
2079 free( id->pp_filter[i]->p_owner );
2080 vlc_object_destroy( id->pp_filter[i] );
2081 id->pp_filter[i] = NULL;
2084 for( i = 0; i < id->i_ufilter; i++ )
2086 vlc_object_detach( id->pp_ufilter[i] );
2087 if( id->pp_ufilter[i]->p_module )
2088 module_Unneed( id->pp_ufilter[i], id->pp_ufilter[i]->p_module );
2090 /* Clean-up pictures ring buffer */
2091 for( j = 0; j < PICTURE_RING_SIZE; j++ )
2093 if( id->pp_ufilter[i]->p_owner->pp_pics[j] )
2094 video_del_buffer( VLC_OBJECT(id->pp_ufilter[i]),
2095 id->pp_ufilter[i]->p_owner->pp_pics[j] );
2097 free( id->pp_ufilter[i]->p_owner );
2098 vlc_object_destroy( id->pp_ufilter[i] );
2099 id->pp_ufilter[i] = NULL;
2103 static int transcode_video_process( sout_stream_t *p_stream,
2104 sout_stream_id_t *id,
2105 block_t *in, block_t **out )
2107 sout_stream_sys_t *p_sys = p_stream->p_sys;
2108 int i_duplicate = 1, i;
2109 picture_t *p_pic, *p_pic2 = NULL;
2111 input_thread_t *p_input = NULL;
2113 if( p_stream->p_parent->p_parent && p_stream->p_parent->p_parent->
2114 i_object_type == VLC_OBJECT_INPUT )
2115 p_input = (input_thread_t *)p_stream->p_parent->p_parent;
2117 while( (p_pic = id->p_decoder->pf_decode_video( id->p_decoder, &in )) )
2119 subpicture_t *p_subpic = 0;
2121 stats_UpdateInteger( p_input, p_input->p->counters.p_decoded_video,
2124 if( p_stream->p_sout->i_out_pace_nocontrol && p_sys->b_hurry_up )
2126 mtime_t current_date = mdate();
2127 if( current_date + 50000 > p_pic->date )
2129 msg_Dbg( p_stream, "late picture skipped ("I64Fd")",
2130 current_date + 50000 - p_pic->date );
2131 p_pic->pf_release( p_pic );
2136 if( p_sys->b_master_sync )
2138 mtime_t i_video_drift;
2139 mtime_t i_master_drift = p_sys->i_master_drift;
2142 i_pts = date_Get( &id->interpolated_pts ) + 1;
2143 if ( p_pic->date - i_pts > MASTER_SYNC_MAX_DRIFT
2144 || p_pic->date - i_pts < -MASTER_SYNC_MAX_DRIFT )
2146 msg_Dbg( p_stream, "drift is too high, resetting master sync" );
2147 date_Set( &id->interpolated_pts, p_pic->date );
2148 i_pts = p_pic->date + 1;
2150 i_video_drift = p_pic->date - i_pts;
2153 /* Set the pts of the frame being encoded */
2154 p_pic->date = i_pts;
2156 if( i_video_drift < i_master_drift - 50000 )
2159 msg_Dbg( p_stream, "dropping frame (%i)",
2160 (int)(i_video_drift - i_master_drift) );
2162 p_pic->pf_release( p_pic );
2165 else if( i_video_drift > i_master_drift + 50000 )
2168 msg_Dbg( p_stream, "adding frame (%i)",
2169 (int)(i_video_drift - i_master_drift) );
2175 if( !id->p_encoder->p_module )
2177 if( transcode_video_encoder_open( p_stream, id ) != VLC_SUCCESS )
2179 p_pic->pf_release( p_pic );
2180 transcode_video_close( p_stream, id );
2181 id->b_transcode = VLC_FALSE;
2182 return VLC_EGENERIC;
2186 if( p_stream->p_sys->b_deinterlace )
2188 id->pp_filter[id->i_filter] =
2189 vlc_object_create( p_stream, VLC_OBJECT_FILTER );
2190 vlc_object_attach( id->pp_filter[id->i_filter], p_stream );
2192 id->pp_filter[id->i_filter]->pf_vout_buffer_new =
2193 video_new_buffer_filter;
2194 id->pp_filter[id->i_filter]->pf_vout_buffer_del =
2195 video_del_buffer_filter;
2197 id->pp_filter[id->i_filter]->fmt_in = id->p_decoder->fmt_out;
2198 id->pp_filter[id->i_filter]->fmt_out = id->p_decoder->fmt_out;
2199 id->pp_filter[id->i_filter]->p_cfg = p_sys->p_deinterlace_cfg;
2200 id->pp_filter[id->i_filter]->p_module =
2201 module_Need( id->pp_filter[id->i_filter],
2202 "video filter2", p_sys->psz_deinterlace, 0 );
2203 if( id->pp_filter[id->i_filter]->p_module )
2205 id->pp_filter[id->i_filter]->p_owner =
2206 malloc( sizeof(filter_owner_sys_t) );
2207 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2208 id->pp_filter[id->i_filter]->p_owner->pp_pics[i] = 0;
2209 id->pp_filter[id->i_filter]->p_owner->p_sys = p_sys;
2215 msg_Dbg( p_stream, "no video filter found" );
2216 vlc_object_detach( id->pp_filter[id->i_filter] );
2217 vlc_object_destroy( id->pp_filter[id->i_filter] );
2221 /* Check if we need a filter for chroma conversion or resizing */
2222 if( id->p_decoder->fmt_out.video.i_chroma !=
2223 id->p_encoder->fmt_in.video.i_chroma ||
2225 (int)id->p_decoder->fmt_out.video.i_width != p_sys->i_crop_width ||
2226 p_sys->i_crop_width != p_sys->i_nopadd_width ||
2227 p_sys->i_nopadd_width != (int)id->p_encoder->fmt_out.video.i_width ||
2229 (int)id->p_decoder->fmt_out.video.i_height != p_sys->i_crop_height ||
2230 p_sys->i_crop_height != p_sys->i_nopadd_height ||
2231 p_sys->i_nopadd_height != (int)id->p_encoder->fmt_out.video.i_height)
2233 id->pp_filter[id->i_filter] =
2234 vlc_object_create( p_stream, VLC_OBJECT_FILTER );
2235 vlc_object_attach( id->pp_filter[id->i_filter], p_stream );
2237 id->pp_filter[id->i_filter]->pf_vout_buffer_new =
2238 video_new_buffer_filter;
2239 id->pp_filter[id->i_filter]->pf_vout_buffer_del =
2240 video_del_buffer_filter;
2242 id->pp_filter[id->i_filter]->fmt_in = id->p_decoder->fmt_out;
2243 id->pp_filter[id->i_filter]->fmt_out = id->p_encoder->fmt_in;
2244 id->pp_filter[id->i_filter]->p_cfg = NULL;
2246 id->pp_filter[id->i_filter]->fmt_in.video.i_x_offset = p_sys->i_src_x_offset;
2247 id->pp_filter[id->i_filter]->fmt_in.video.i_y_offset = p_sys->i_src_y_offset;
2248 id->pp_filter[id->i_filter]->fmt_in.video.i_visible_width = p_sys->i_crop_width;
2249 id->pp_filter[id->i_filter]->fmt_in.video.i_visible_height = p_sys->i_crop_height;
2251 id->pp_filter[id->i_filter]->fmt_out.video.i_x_offset = p_sys->i_dst_x_offset;
2252 id->pp_filter[id->i_filter]->fmt_out.video.i_y_offset = p_sys->i_dst_y_offset;
2253 id->pp_filter[id->i_filter]->fmt_out.video.i_visible_width = p_sys->i_nopadd_width;
2254 id->pp_filter[id->i_filter]->fmt_out.video.i_visible_height = p_sys->i_nopadd_height;
2256 id->pp_filter[id->i_filter]->p_module =
2257 module_Need( id->pp_filter[id->i_filter],
2258 "crop padd", 0, 0 );
2259 if( id->pp_filter[id->i_filter]->p_module )
2261 id->pp_filter[id->i_filter]->p_owner =
2262 malloc( sizeof(filter_owner_sys_t) );
2263 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2264 id->pp_filter[id->i_filter]->p_owner->pp_pics[i] = 0;
2265 id->pp_filter[id->i_filter]->p_owner->p_sys = p_sys;
2271 msg_Dbg( p_stream, "no video filter found" );
2272 vlc_object_detach( id->pp_filter[id->i_filter] );
2273 vlc_object_destroy( id->pp_filter[id->i_filter] );
2275 p_pic->pf_release( p_pic );
2276 transcode_video_close( p_stream, id );
2277 id->b_transcode = VLC_FALSE;
2278 return VLC_EGENERIC;
2282 for( i = 0; (i < p_sys->i_vfilters) && (id->i_ufilter < TRANSCODE_FILTERS); i++ )
2284 id->pp_ufilter[id->i_ufilter] =
2285 vlc_object_create( p_stream, VLC_OBJECT_FILTER );
2286 vlc_object_attach( id->pp_ufilter[id->i_ufilter], p_stream );
2288 id->pp_ufilter[id->i_ufilter]->pf_vout_buffer_new =
2289 video_new_buffer_filter;
2290 id->pp_ufilter[id->i_ufilter]->pf_vout_buffer_del =
2291 video_del_buffer_filter;
2293 id->pp_ufilter[id->i_ufilter]->fmt_in = id->p_encoder->fmt_in;
2294 id->pp_ufilter[id->i_ufilter]->fmt_out = id->p_encoder->fmt_in;
2295 id->pp_ufilter[id->i_ufilter]->p_cfg = p_sys->p_vfilters_cfg[i];
2296 id->pp_ufilter[id->i_ufilter]->p_module =
2297 module_Need( id->pp_ufilter[id->i_ufilter],
2298 "video filter2", p_sys->psz_vfilters[i], 0 );
2299 if( id->pp_ufilter[id->i_ufilter]->p_module )
2301 id->pp_ufilter[id->i_ufilter]->p_owner =
2302 malloc( sizeof(filter_owner_sys_t) );
2303 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2304 id->pp_ufilter[id->i_ufilter]->p_owner->pp_pics[i] = 0;
2305 id->pp_ufilter[id->i_ufilter]->p_owner->p_sys = p_sys;
2310 msg_Dbg( p_stream, "no video filter found" );
2311 vlc_object_detach( id->pp_ufilter[id->i_ufilter] );
2312 vlc_object_destroy( id->pp_ufilter[id->i_ufilter] );
2313 id->pp_ufilter[id->i_ufilter] = NULL;
2318 /* Run filter chain */
2319 for( i = 0; i < id->i_filter; i++ )
2321 p_pic = id->pp_filter[i]->pf_video_filter(id->pp_filter[i], p_pic);
2328 /* Check if we have a subpicture to overlay */
2331 p_subpic = spu_SortSubpictures( p_sys->p_spu, p_pic->date,
2332 VLC_FALSE /* Fixme: check if stream is paused */ );
2333 /* TODO: get another pic */
2336 /* Overlay subpicture */
2339 int i_scale_width, i_scale_height;
2340 video_format_t *p_fmt;
2342 i_scale_width = id->p_encoder->fmt_in.video.i_width * 1000 /
2343 id->p_decoder->fmt_out.video.i_width;
2344 i_scale_height = id->p_encoder->fmt_in.video.i_height * 1000 /
2345 id->p_decoder->fmt_out.video.i_height;
2347 if( p_pic->i_refcount && !id->i_filter )
2349 /* We can't modify the picture, we need to duplicate it */
2350 picture_t *p_tmp = video_new_buffer_decoder( id->p_decoder );
2353 vout_CopyPicture( p_stream, p_tmp, p_pic );
2354 p_pic->pf_release( p_pic );
2360 p_fmt = &id->pp_filter[id->i_filter -1]->fmt_out.video;
2362 p_fmt = &id->p_decoder->fmt_out.video;
2364 /* FIXME (shouldn't have to be done here) */
2365 p_fmt->i_sar_num = p_fmt->i_aspect *
2366 p_fmt->i_height / p_fmt->i_width;
2367 p_fmt->i_sar_den = VOUT_ASPECT_FACTOR;
2369 spu_RenderSubpictures( p_sys->p_spu, p_fmt, p_pic, p_pic, p_subpic,
2370 i_scale_width, i_scale_height );
2373 /* Run user specified filter chain */
2374 for( i = 0; i < id->i_ufilter; i++ )
2376 p_pic = id->pp_ufilter[i]->pf_video_filter(id->pp_ufilter[i], p_pic);
2379 if( p_sys->i_threads == 0 )
2382 p_block = id->p_encoder->pf_encode_video( id->p_encoder, p_pic );
2383 block_ChainAppend( out, p_block );
2386 if( p_sys->b_master_sync )
2388 mtime_t i_pts = date_Get( &id->interpolated_pts ) + 1;
2389 if ( p_pic->date - i_pts > MASTER_SYNC_MAX_DRIFT
2390 || p_pic->date - i_pts < -MASTER_SYNC_MAX_DRIFT )
2392 msg_Dbg( p_stream, "drift is too high, resetting master sync" );
2393 date_Set( &id->interpolated_pts, p_pic->date );
2394 i_pts = p_pic->date + 1;
2396 date_Increment( &id->interpolated_pts, 1 );
2399 if( p_sys->b_master_sync && i_duplicate > 1 )
2401 mtime_t i_pts = date_Get( &id->interpolated_pts ) + 1;
2402 if ( p_pic->date - i_pts > MASTER_SYNC_MAX_DRIFT
2403 || p_pic->date - i_pts < -MASTER_SYNC_MAX_DRIFT )
2405 msg_Dbg( p_stream, "drift is too high, resetting master sync" );
2406 date_Set( &id->interpolated_pts, p_pic->date );
2407 i_pts = p_pic->date + 1;
2409 date_Increment( &id->interpolated_pts, 1 );
2411 if( p_sys->i_threads >= 1 )
2413 /* We can't modify the picture, we need to duplicate it */
2414 p_pic2 = video_new_buffer_decoder( id->p_decoder );
2415 if( p_pic2 != NULL )
2417 vout_CopyPicture( p_stream, p_pic2, p_pic );
2418 p_pic2->date = i_pts;
2424 p_pic->date = i_pts;
2425 p_block = id->p_encoder->pf_encode_video(id->p_encoder, p_pic);
2426 block_ChainAppend( out, p_block );
2430 if( p_sys->i_threads == 0 )
2432 p_pic->pf_release( p_pic );
2436 vlc_mutex_lock( &p_sys->lock_out );
2437 p_sys->pp_pics[p_sys->i_last_pic++] = p_pic;
2438 p_sys->i_last_pic %= PICTURE_RING_SIZE;
2439 *out = p_sys->p_buffers;
2440 p_sys->p_buffers = NULL;
2441 if( p_pic2 != NULL )
2443 p_sys->pp_pics[p_sys->i_last_pic++] = p_pic2;
2444 p_sys->i_last_pic %= PICTURE_RING_SIZE;
2446 vlc_cond_signal( &p_sys->cond );
2447 vlc_mutex_unlock( &p_sys->lock_out );
2454 static int EncoderThread( sout_stream_sys_t *p_sys )
2456 sout_stream_id_t *id = p_sys->id_video;
2459 while( !p_sys->b_die && !p_sys->b_error )
2463 vlc_mutex_lock( &p_sys->lock_out );
2464 while( p_sys->i_last_pic == p_sys->i_first_pic )
2466 vlc_cond_wait( &p_sys->cond, &p_sys->lock_out );
2467 if( p_sys->b_die || p_sys->b_error ) break;
2469 if( p_sys->b_die || p_sys->b_error )
2471 vlc_mutex_unlock( &p_sys->lock_out );
2475 p_pic = p_sys->pp_pics[p_sys->i_first_pic++];
2476 p_sys->i_first_pic %= PICTURE_RING_SIZE;
2477 vlc_mutex_unlock( &p_sys->lock_out );
2479 p_block = id->p_encoder->pf_encode_video( id->p_encoder, p_pic );
2480 vlc_mutex_lock( &p_sys->lock_out );
2481 block_ChainAppend( &p_sys->p_buffers, p_block );
2483 vlc_mutex_unlock( &p_sys->lock_out );
2484 p_pic->pf_release( p_pic );
2487 while( p_sys->i_last_pic != p_sys->i_first_pic )
2489 p_pic = p_sys->pp_pics[p_sys->i_first_pic++];
2490 p_sys->i_first_pic %= PICTURE_RING_SIZE;
2491 p_pic->pf_release( p_pic );
2493 block_ChainRelease( p_sys->p_buffers );
2498 struct picture_sys_t
2500 vlc_object_t *p_owner;
2503 static void video_release_buffer( picture_t *p_pic )
2505 if( p_pic && !p_pic->i_refcount && p_pic->pf_release && p_pic->p_sys )
2507 video_del_buffer_decoder( (decoder_t *)p_pic->p_sys->p_owner, p_pic );
2509 else if( p_pic && p_pic->i_refcount > 0 ) p_pic->i_refcount--;
2512 static picture_t *video_new_buffer( vlc_object_t *p_this, picture_t **pp_ring,
2513 sout_stream_sys_t *p_sys )
2515 decoder_t *p_dec = (decoder_t *)p_this;
2519 /* Find an empty space in the picture ring buffer */
2520 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2522 if( pp_ring[i] != 0 && pp_ring[i]->i_status == DESTROYED_PICTURE )
2524 pp_ring[i]->i_status = RESERVED_PICTURE;
2528 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2530 if( pp_ring[i] == 0 ) break;
2533 if( i == PICTURE_RING_SIZE && p_sys->i_threads >= 1 )
2535 int i_first_pic = p_sys->i_first_pic;
2537 if( p_sys->i_first_pic != p_sys->i_last_pic )
2539 /* Encoder still has stuff to encode, wait to clear-up the list */
2540 while( p_sys->i_first_pic == i_first_pic )
2544 /* Find an empty space in the picture ring buffer */
2545 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2547 if( pp_ring[i] != 0 && pp_ring[i]->i_status == DESTROYED_PICTURE )
2549 pp_ring[i]->i_status = RESERVED_PICTURE;
2553 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2555 if( pp_ring[i] == 0 ) break;
2559 if( i == PICTURE_RING_SIZE )
2561 msg_Err( p_this, "decoder/filter is leaking pictures, "
2562 "resetting its ring buffer" );
2564 for( i = 0; i < PICTURE_RING_SIZE; i++ )
2566 pp_ring[i]->pf_release( pp_ring[i] );
2572 p_pic = malloc( sizeof(picture_t) );
2573 p_dec->fmt_out.video.i_chroma = p_dec->fmt_out.i_codec;
2574 vout_AllocatePicture( VLC_OBJECT(p_dec), p_pic,
2575 p_dec->fmt_out.video.i_chroma,
2576 p_dec->fmt_out.video.i_width,
2577 p_dec->fmt_out.video.i_height,
2578 p_dec->fmt_out.video.i_aspect );
2580 if( !p_pic->i_planes )
2586 p_pic->pf_release = video_release_buffer;
2587 p_pic->p_sys = malloc( sizeof(picture_sys_t) );
2588 p_pic->p_sys->p_owner = p_this;
2589 p_pic->i_status = RESERVED_PICTURE;
2595 static picture_t *video_new_buffer_decoder( decoder_t *p_dec )
2597 return video_new_buffer( VLC_OBJECT(p_dec),
2598 p_dec->p_owner->pp_pics, p_dec->p_owner->p_sys );
2601 static picture_t *video_new_buffer_filter( filter_t *p_filter )
2603 return video_new_buffer( VLC_OBJECT(p_filter),
2604 p_filter->p_owner->pp_pics,
2605 p_filter->p_owner->p_sys );
2608 static void video_del_buffer( vlc_object_t *p_this, picture_t *p_pic )
2610 if( p_pic && p_pic->p_data_orig ) free( p_pic->p_data_orig );
2611 if( p_pic && p_pic->p_sys ) free( p_pic->p_sys );
2612 if( p_pic ) free( p_pic );
2615 static void video_del_buffer_decoder( decoder_t *p_decoder, picture_t *p_pic )
2617 p_pic->i_refcount = 0;
2618 p_pic->i_status = DESTROYED_PICTURE;
2621 static void video_del_buffer_filter( filter_t *p_filter, picture_t *p_pic )
2623 p_pic->i_refcount = 0;
2624 p_pic->i_status = DESTROYED_PICTURE;
2627 static void video_link_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
2629 p_pic->i_refcount++;
2632 static void video_unlink_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
2634 video_release_buffer( p_pic );
2640 static subpicture_t *spu_new_buffer( decoder_t * );
2641 static void spu_del_buffer( decoder_t *, subpicture_t * );
2643 static int transcode_spu_new( sout_stream_t *p_stream, sout_stream_id_t *id )
2645 sout_stream_sys_t *p_sys = p_stream->p_sys;
2651 /* Initialization of decoder structures */
2652 id->p_decoder->pf_spu_buffer_new = spu_new_buffer;
2653 id->p_decoder->pf_spu_buffer_del = spu_del_buffer;
2654 id->p_decoder->p_owner = (decoder_owner_sys_t *)p_stream;
2655 /* id->p_decoder->p_cfg = p_sys->p_spu_cfg; */
2657 id->p_decoder->p_module =
2658 module_Need( id->p_decoder, "decoder", "$codec", 0 );
2660 if( !id->p_decoder->p_module )
2662 msg_Err( p_stream, "cannot find decoder" );
2663 return VLC_EGENERIC;
2666 if( !p_sys->b_soverlay )
2669 /* Initialization of encoder format structures */
2670 es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
2671 id->p_decoder->fmt_in.i_codec );
2673 id->p_encoder->p_cfg = p_sys->p_spu_cfg;
2675 id->p_encoder->p_module =
2676 module_Need( id->p_encoder, "encoder", p_sys->psz_senc, VLC_TRUE );
2678 if( !id->p_encoder->p_module )
2680 module_Unneed( id->p_decoder, id->p_decoder->p_module );
2681 msg_Err( p_stream, "cannot find encoder (%s)", p_sys->psz_senc );
2682 return VLC_EGENERIC;
2688 p_sys->p_spu = spu_Create( p_stream );
2689 spu_Init( p_sys->p_spu );
2695 static void transcode_spu_close( sout_stream_t *p_stream, sout_stream_id_t *id)
2698 if( id->p_decoder->p_module )
2699 module_Unneed( id->p_decoder, id->p_decoder->p_module );
2702 if( id->p_encoder->p_module )
2703 module_Unneed( id->p_encoder, id->p_encoder->p_module );
2706 static int transcode_spu_process( sout_stream_t *p_stream,
2707 sout_stream_id_t *id,
2708 block_t *in, block_t **out )
2710 sout_stream_sys_t *p_sys = p_stream->p_sys;
2711 subpicture_t *p_subpic;
2714 p_subpic = id->p_decoder->pf_decode_sub( id->p_decoder, &in );
2715 if( !p_subpic ) return VLC_EGENERIC;
2717 if( p_sys->b_master_sync && p_sys->i_master_drift )
2719 p_subpic->i_start -= p_sys->i_master_drift;
2720 if( p_subpic->i_stop ) p_subpic->i_stop -= p_sys->i_master_drift;
2723 if( p_sys->b_soverlay )
2725 spu_DisplaySubpicture( p_sys->p_spu, p_subpic );
2731 p_block = id->p_encoder->pf_encode_sub( id->p_encoder, p_subpic );
2732 spu_del_buffer( id->p_decoder, p_subpic );
2736 block_ChainAppend( out, p_block );
2741 return VLC_EGENERIC;
2744 static subpicture_t *spu_new_buffer( decoder_t *p_dec )
2746 sout_stream_t *p_stream = (sout_stream_t *)p_dec->p_owner;
2747 return spu_CreateSubpicture( p_stream->p_sys->p_spu );
2750 static void spu_del_buffer( decoder_t *p_dec, subpicture_t *p_subpic )
2752 sout_stream_t *p_stream = (sout_stream_t *)p_dec->p_owner;
2753 spu_DestroySubpicture( p_stream->p_sys->p_spu, p_subpic );
2759 static int transcode_osd_new( sout_stream_t *p_stream, sout_stream_id_t *id )
2761 sout_stream_sys_t *p_sys = p_stream->p_sys;
2765 fmt.i_id = 0xbd1f; /* pid ?? */
2766 fmt.i_group = 3; /* pmt entry ?? */
2767 fmt.i_codec = VLC_FOURCC( 'Y', 'U', 'V', 'A' );
2768 fmt.psz_language = strdup( "osd" );
2770 id = malloc( sizeof( sout_stream_id_t ) );
2771 memset( id, 0, sizeof(sout_stream_id_t) );
2774 id->p_decoder = NULL;
2775 id->p_encoder = NULL;
2777 /* Create encoder object */
2778 id->p_encoder = vlc_object_create( p_stream, VLC_OBJECT_ENCODER );
2779 if( !id->p_encoder )
2781 msg_Err( p_stream, "out of memory" );
2784 vlc_object_attach( id->p_encoder, p_stream );
2785 id->p_encoder->p_module = NULL;
2787 /* Create fake destination format */
2788 es_format_Init( &id->p_encoder->fmt_out, fmt.i_cat, 0 );
2789 id->p_encoder->fmt_out.i_id = fmt.i_id;
2790 id->p_encoder->fmt_out.i_group = fmt.i_group;
2791 id->p_encoder->fmt_out.psz_language = strdup( fmt.psz_language );
2793 if( p_sys->i_osdcodec != 0 || p_sys->psz_osdenc )
2795 msg_Dbg( p_stream, "creating osdmenu transcoding from fcc=`%4.4s' "
2796 "to fcc=`%4.4s'", (char*)&fmt.i_codec,
2797 (char*)&p_sys->i_osdcodec );
2799 /* Complete destination format */
2800 id->p_encoder->fmt_out.i_codec = p_sys->i_osdcodec;
2803 /* Initialization of encoder format structures */
2804 es_format_Init( &id->p_encoder->fmt_in, fmt.i_cat, fmt.i_codec );
2805 id->p_encoder->fmt_in.psz_language = strdup( fmt.psz_language );
2807 id->p_encoder->p_cfg = p_sys->p_osd_cfg;
2809 id->p_encoder->p_module =
2810 module_Need( id->p_encoder, "encoder", p_sys->psz_osdenc, VLC_TRUE );
2812 if( !id->p_encoder->p_module )
2814 msg_Err( p_stream, "cannot find encoder (%s)", p_sys->psz_osdenc );
2818 /* open output stream */
2819 id->id = p_sys->p_out->pf_add( p_sys->p_out, &id->p_encoder->fmt_out );
2820 id->b_transcode = VLC_TRUE;
2822 if( !id->id ) goto error;
2826 msg_Dbg( p_stream, "not transcoding a stream (fcc=`%4.4s')",
2827 (char*)&fmt.i_codec );
2828 id->id = p_sys->p_out->pf_add( p_sys->p_out, &fmt );
2829 id->b_transcode = VLC_FALSE;
2831 if( !id->id ) goto error;
2835 p_sys->b_es_osd = VLC_TRUE;
2839 p_sys->p_spu = spu_Create( p_stream );
2840 if( spu_Init( p_sys->p_spu ) != VLC_SUCCESS )
2841 msg_Err( p_sys, "spu initialisation failed" );
2844 if( fmt.psz_language )
2845 free( fmt.psz_language );
2850 msg_Err( p_stream, "starting osd encoding thread failed" );
2851 if( id->p_encoder->p_module )
2852 module_Unneed( id->p_encoder, id->p_encoder->p_module );
2855 vlc_object_detach( id->p_encoder );
2856 vlc_object_destroy( id->p_encoder );
2858 if( fmt.psz_language ) free( fmt.psz_language );
2859 if( id ) free( id );
2860 p_sys->id_osd = NULL;
2861 p_sys->b_es_osd = VLC_FALSE;
2862 return VLC_EGENERIC;
2865 static void transcode_osd_close( sout_stream_t *p_stream, sout_stream_id_t *id)
2867 sout_stream_sys_t *p_sys = p_stream->p_sys;
2870 if( p_sys->b_es_osd && id )
2872 if( id->p_encoder->p_module )
2873 module_Unneed( id->p_encoder, id->p_encoder->p_module );
2875 if( id->id ) p_sys->p_out->pf_del( p_sys->p_out, id->id );
2879 vlc_object_detach( id->p_encoder );
2880 vlc_object_destroy( id->p_encoder );
2883 p_sys->b_es_osd = VLC_FALSE;
2884 if( id ) free( id );
2887 static int transcode_osd_process( sout_stream_t *p_stream,
2888 sout_stream_id_t *id,
2889 block_t *in, block_t **out )
2891 sout_stream_sys_t *p_sys = p_stream->p_sys;
2892 subpicture_t *p_subpic = NULL;
2894 /* Check if we have a subpicture to send */
2895 if( p_sys->p_spu && in->i_dts > 0)
2897 p_subpic = spu_SortSubpictures( p_sys->p_spu, in->i_dts, VLC_FALSE );
2901 msg_Warn( p_stream, "spu channel not initialized, doing it now" );
2904 p_sys->p_spu = spu_Create( p_stream );
2905 if( spu_Init( p_sys->p_spu ) != VLC_SUCCESS )
2906 msg_Err( p_stream, "spu initialisation failed" );
2912 block_t *p_block = NULL;
2914 if( p_sys->b_master_sync && p_sys->i_master_drift )
2916 p_subpic->i_start -= p_sys->i_master_drift;
2917 if( p_subpic->i_stop ) p_subpic->i_stop -= p_sys->i_master_drift;
2920 p_block = p_sys->id_osd->p_encoder->pf_encode_sub( p_sys->id_osd->p_encoder, p_subpic );
2923 p_block->i_dts = p_block->i_pts = in->i_dts;
2924 block_ChainAppend( out, p_block );
2927 if( p_sys->p_out->pf_send( p_sys->p_out, p_sys->id_osd->id, *out ) == VLC_SUCCESS )
2928 spu_DestroySubpicture( p_sys->p_spu, p_subpic );
2933 return VLC_EGENERIC;