1 /*****************************************************************************
2 * transcode.c: transcoding stream output module
3 *****************************************************************************
4 * Copyright (C) 2003-2009 VLC authors and VideoLAN
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * Gildas Bazin <gbazin@videolan.org>
9 * Jean-Paul Saman <jpsaman #_at_# m2x dot nl>
10 * Antoine Cellerier <dionoea at videolan dot org>
11 * Ilkka Ollakka <ileoo at videolan dot org>
13 * This program is free software; you can redistribute it and/or modify it
14 * under the terms of the GNU Lesser General Public License as published by
15 * the Free Software Foundation; either version 2.1 of the License, or
16 * (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU Lesser General Public License for more details.
23 * You should have received a copy of the GNU Lesser General Public License
24 * along with this program; if not, write to the Free Software Foundation,
25 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
26 *****************************************************************************/
28 /*****************************************************************************
30 *****************************************************************************/
35 #include <vlc_common.h>
36 #include <vlc_plugin.h>
40 #include "transcode.h"
42 /*****************************************************************************
44 *****************************************************************************/
45 #define VENC_TEXT N_("Video encoder")
46 #define VENC_LONGTEXT N_( \
47 "This is the video encoder module that will be used (and its associated "\
49 #define VCODEC_TEXT N_("Destination video codec")
50 #define VCODEC_LONGTEXT N_( \
51 "This is the video codec that will be used.")
52 #define VB_TEXT N_("Video bitrate")
53 #define VB_LONGTEXT N_( \
54 "Target bitrate of the transcoded video stream." )
55 #define SCALE_TEXT N_("Video scaling")
56 #define SCALE_LONGTEXT N_( \
57 "Scale factor to apply to the video while transcoding (eg: 0.25)")
58 #define FPS_TEXT N_("Video frame-rate")
59 #define FPS_LONGTEXT N_( \
60 "Target output frame rate for the video stream." )
61 #define DEINTERLACE_TEXT N_("Deinterlace video")
62 #define DEINTERLACE_LONGTEXT N_( \
63 "Deinterlace the video before encoding." )
64 #define DEINTERLACE_MODULE_TEXT N_("Deinterlace module")
65 #define DEINTERLACE_MODULE_LONGTEXT N_( \
66 "Specify the deinterlace module to use." )
67 #define WIDTH_TEXT N_("Video width")
68 #define WIDTH_LONGTEXT N_( \
69 "Output video width." )
70 #define HEIGHT_TEXT N_("Video height")
71 #define HEIGHT_LONGTEXT N_( \
72 "Output video height." )
73 #define MAXWIDTH_TEXT N_("Maximum video width")
74 #define MAXWIDTH_LONGTEXT N_( \
75 "Maximum output video width." )
76 #define MAXHEIGHT_TEXT N_("Maximum video height")
77 #define MAXHEIGHT_LONGTEXT N_( \
78 "Maximum output video height." )
79 #define VFILTER_TEXT N_("Video filter")
80 #define VFILTER_LONGTEXT N_( \
81 "Video filters will be applied to the video streams (after overlays " \
82 "are applied). You can enter a colon-separated list of filters." )
84 #define AENC_TEXT N_("Audio encoder")
85 #define AENC_LONGTEXT N_( \
86 "This is the audio encoder module that will be used (and its associated "\
88 #define ACODEC_TEXT N_("Destination audio codec")
89 #define ACODEC_LONGTEXT N_( \
90 "This is the audio codec that will be used.")
91 #define AB_TEXT N_("Audio bitrate")
92 #define AB_LONGTEXT N_( \
93 "Target bitrate of the transcoded audio stream." )
94 #define ARATE_TEXT N_("Audio sample rate")
95 #define ARATE_LONGTEXT N_( \
96 "Sample rate of the transcoded audio stream (11250, 22500, 44100 or 48000).")
97 #define ALANG_TEXT N_("Audio language")
98 #define ALANG_LONGTEXT N_( \
99 "This is the language of the audio stream.")
100 #define ACHANS_TEXT N_("Audio channels")
101 #define ACHANS_LONGTEXT N_( \
102 "Number of audio channels in the transcoded streams." )
103 #define AFILTER_TEXT N_("Audio filter")
104 #define AFILTER_LONGTEXT N_( \
105 "Audio filters will be applied to the audio streams (after conversion " \
106 "filters are applied). You can enter a colon-separated list of filters." )
108 #define SENC_TEXT N_("Subtitle encoder")
109 #define SENC_LONGTEXT N_( \
110 "This is the subtitle encoder module that will be used (and its " \
111 "associated options)." )
112 #define SCODEC_TEXT N_("Destination subtitle codec")
113 #define SCODEC_LONGTEXT N_( \
114 "This is the subtitle codec that will be used." )
116 #define SFILTER_TEXT N_("Overlays")
117 #define SFILTER_LONGTEXT N_( \
118 "This allows you to add overlays (also known as \"subpictures\" on the "\
119 "transcoded video stream. The subpictures produced by the filters will "\
120 "be overlayed directly onto the video. You can specify a colon-separated "\
121 "list of subpicture modules" )
123 #define OSD_TEXT N_("OSD menu")
124 #define OSD_LONGTEXT N_(\
125 "Stream the On Screen Display menu (using the osdmenu subpicture module)." )
127 #define THREADS_TEXT N_("Number of threads")
128 #define THREADS_LONGTEXT N_( \
129 "Number of threads used for the transcoding." )
130 #define HP_TEXT N_("High priority")
131 #define HP_LONGTEXT N_( \
132 "Runs the optional encoder thread at the OUTPUT priority instead of " \
135 #define ASYNC_TEXT N_("Synchronise on audio track")
136 #define ASYNC_LONGTEXT N_( \
137 "This option will drop/duplicate video frames to synchronise the video " \
138 "track on the audio track." )
140 #define HURRYUP_TEXT N_( "Hurry up" )
141 #define HURRYUP_LONGTEXT N_( "The transcoder will drop frames if your CPU " \
142 "can't keep up with the encoding rate." )
144 static const char *const ppsz_deinterlace_type[] =
146 "deinterlace", "ffmpeg-deinterlace"
149 static int Open ( vlc_object_t * );
150 static void Close( vlc_object_t * );
152 #define SOUT_CFG_PREFIX "sout-transcode-"
155 set_shortname( N_("Transcode"))
156 set_description( N_("Transcode stream output") )
157 set_capability( "sout stream", 50 )
158 add_shortcut( "transcode" )
159 set_callbacks( Open, Close )
160 set_category( CAT_SOUT )
161 set_subcategory( SUBCAT_SOUT_STREAM )
162 set_section( N_("Video"), NULL )
163 add_module( SOUT_CFG_PREFIX "venc", "encoder", NULL, VENC_TEXT,
164 VENC_LONGTEXT, false )
165 add_string( SOUT_CFG_PREFIX "vcodec", NULL, VCODEC_TEXT,
166 VCODEC_LONGTEXT, false )
167 add_integer( SOUT_CFG_PREFIX "vb", 0, VB_TEXT,
169 add_float( SOUT_CFG_PREFIX "scale", 0, SCALE_TEXT,
170 SCALE_LONGTEXT, false )
171 add_float( SOUT_CFG_PREFIX "fps", 0, FPS_TEXT,
172 FPS_LONGTEXT, false )
173 add_bool( SOUT_CFG_PREFIX "hurry-up", false, HURRYUP_TEXT,
174 HURRYUP_LONGTEXT, false )
175 add_bool( SOUT_CFG_PREFIX "deinterlace", false, DEINTERLACE_TEXT,
176 DEINTERLACE_LONGTEXT, false )
177 add_string( SOUT_CFG_PREFIX "deinterlace-module", "deinterlace",
178 DEINTERLACE_MODULE_TEXT, DEINTERLACE_MODULE_LONGTEXT,
180 change_string_list( ppsz_deinterlace_type, ppsz_deinterlace_type )
181 add_integer( SOUT_CFG_PREFIX "width", 0, WIDTH_TEXT,
182 WIDTH_LONGTEXT, true )
183 add_integer( SOUT_CFG_PREFIX "height", 0, HEIGHT_TEXT,
184 HEIGHT_LONGTEXT, true )
185 add_integer( SOUT_CFG_PREFIX "maxwidth", 0, MAXWIDTH_TEXT,
186 MAXWIDTH_LONGTEXT, true )
187 add_integer( SOUT_CFG_PREFIX "maxheight", 0, MAXHEIGHT_TEXT,
188 MAXHEIGHT_LONGTEXT, true )
189 add_module_list( SOUT_CFG_PREFIX "vfilter", "video filter2",
190 NULL, VFILTER_TEXT, VFILTER_LONGTEXT, false )
192 set_section( N_("Audio"), NULL )
193 add_module( SOUT_CFG_PREFIX "aenc", "encoder", NULL, AENC_TEXT,
194 AENC_LONGTEXT, false )
195 add_string( SOUT_CFG_PREFIX "acodec", NULL, ACODEC_TEXT,
196 ACODEC_LONGTEXT, false )
197 add_integer( SOUT_CFG_PREFIX "ab", 96, AB_TEXT,
199 add_string( SOUT_CFG_PREFIX "alang", NULL, ALANG_TEXT,
200 ALANG_LONGTEXT, true )
201 add_integer( SOUT_CFG_PREFIX "channels", 0, ACHANS_TEXT,
202 ACHANS_LONGTEXT, false )
203 add_integer( SOUT_CFG_PREFIX "samplerate", 0, ARATE_TEXT,
204 ARATE_LONGTEXT, true )
205 add_bool( SOUT_CFG_PREFIX "audio-sync", false, ASYNC_TEXT,
206 ASYNC_LONGTEXT, false )
207 add_module_list( SOUT_CFG_PREFIX "afilter", "audio filter",
208 NULL, AFILTER_TEXT, AFILTER_LONGTEXT, false )
210 set_section( N_("Overlays/Subtitles"), NULL )
211 add_module( SOUT_CFG_PREFIX "senc", "encoder", NULL, SENC_TEXT,
212 SENC_LONGTEXT, false )
213 add_string( SOUT_CFG_PREFIX "scodec", NULL, SCODEC_TEXT,
214 SCODEC_LONGTEXT, false )
215 add_bool( SOUT_CFG_PREFIX "soverlay", false, SCODEC_TEXT,
216 SCODEC_LONGTEXT, false )
217 add_module_list( SOUT_CFG_PREFIX "sfilter", "video filter",
218 NULL, SFILTER_TEXT, SFILTER_LONGTEXT, false )
220 set_section( N_("On Screen Display"), NULL )
221 add_bool( SOUT_CFG_PREFIX "osd", false, OSD_TEXT,
222 OSD_LONGTEXT, false )
224 set_section( N_("Miscellaneous"), NULL )
225 add_integer( SOUT_CFG_PREFIX "threads", 0, THREADS_TEXT,
226 THREADS_LONGTEXT, true )
227 add_bool( SOUT_CFG_PREFIX "high-priority", false, HP_TEXT, HP_LONGTEXT,
232 static const char *const ppsz_sout_options[] = {
233 "venc", "vcodec", "vb",
234 "scale", "fps", "width", "height", "vfilter", "deinterlace",
235 "deinterlace-module", "threads", "hurry-up", "aenc", "acodec", "ab", "alang",
236 "afilter", "samplerate", "channels", "senc", "scodec", "soverlay",
237 "sfilter", "osd", "audio-sync", "high-priority", "maxwidth", "maxheight",
241 /*****************************************************************************
242 * Exported prototypes
243 *****************************************************************************/
244 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
245 static int Del ( sout_stream_t *, sout_stream_id_t * );
246 static int Send( sout_stream_t *, sout_stream_id_t *, block_t* );
248 /*****************************************************************************
250 *****************************************************************************/
251 static int Open( vlc_object_t *p_this )
253 sout_stream_t *p_stream = (sout_stream_t*)p_this;
254 sout_stream_sys_t *p_sys;
257 if( !p_stream->p_next )
259 msg_Err( p_stream, "cannot create chain" );
262 p_sys = calloc( 1, sizeof( *p_sys ) );
263 p_sys->i_master_drift = 0;
265 config_ChainParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options,
268 /* Audio transcoding parameters */
269 psz_string = var_GetString( p_stream, SOUT_CFG_PREFIX "aenc" );
270 p_sys->psz_aenc = NULL;
271 p_sys->p_audio_cfg = NULL;
272 if( psz_string && *psz_string )
275 psz_next = config_ChainCreate( &p_sys->psz_aenc, &p_sys->p_audio_cfg,
281 psz_string = var_GetString( p_stream, SOUT_CFG_PREFIX "acodec" );
283 if( psz_string && *psz_string )
286 memcpy( fcc, psz_string, __MIN( strlen( psz_string ), 4 ) );
287 p_sys->i_acodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
291 p_sys->psz_alang = var_GetNonEmptyString( p_stream, SOUT_CFG_PREFIX "alang" );
293 p_sys->i_abitrate = var_GetInteger( p_stream, SOUT_CFG_PREFIX "ab" );
294 if( p_sys->i_abitrate < 4000 ) p_sys->i_abitrate *= 1000;
296 p_sys->i_sample_rate = var_GetInteger( p_stream, SOUT_CFG_PREFIX "samplerate" );
298 p_sys->i_channels = var_GetInteger( p_stream, SOUT_CFG_PREFIX "channels" );
300 if( p_sys->i_acodec )
302 if( ( p_sys->i_acodec == VLC_CODEC_MP3 ||
303 p_sys->i_acodec == VLC_CODEC_MP2 ||
304 p_sys->i_acodec == VLC_CODEC_MPGA ) && p_sys->i_channels > 2 )
306 msg_Warn( p_stream, "%d channels invalid for mp2/mp3, forcing to 2",
308 p_sys->i_channels = 2;
310 msg_Dbg( p_stream, "codec audio=%4.4s %dHz %d channels %dKb/s",
311 (char *)&p_sys->i_acodec, p_sys->i_sample_rate,
312 p_sys->i_channels, p_sys->i_abitrate / 1000 );
315 psz_string = var_GetString( p_stream, SOUT_CFG_PREFIX "afilter" );
316 if( psz_string && *psz_string )
317 p_sys->psz_af = strdup( psz_string );
319 p_sys->psz_af = NULL;
322 /* Video transcoding parameters */
323 psz_string = var_GetString( p_stream, SOUT_CFG_PREFIX "venc" );
324 p_sys->psz_venc = NULL;
325 p_sys->p_video_cfg = NULL;
326 if( psz_string && *psz_string )
329 psz_next = config_ChainCreate( &p_sys->psz_venc, &p_sys->p_video_cfg,
335 psz_string = var_GetString( p_stream, SOUT_CFG_PREFIX "vcodec" );
337 if( psz_string && *psz_string )
340 memcpy( fcc, psz_string, __MIN( strlen( psz_string ), 4 ) );
341 p_sys->i_vcodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
345 p_sys->i_vbitrate = var_GetInteger( p_stream, SOUT_CFG_PREFIX "vb" );
346 if( p_sys->i_vbitrate < 16000 ) p_sys->i_vbitrate *= 1000;
348 p_sys->f_scale = var_GetFloat( p_stream, SOUT_CFG_PREFIX "scale" );
350 p_sys->f_fps = var_GetFloat( p_stream, SOUT_CFG_PREFIX "fps" );
352 p_sys->b_hurry_up = var_GetBool( p_stream, SOUT_CFG_PREFIX "hurry-up" );
354 p_sys->i_width = var_GetInteger( p_stream, SOUT_CFG_PREFIX "width" );
356 p_sys->i_height = var_GetInteger( p_stream, SOUT_CFG_PREFIX "height" );
358 p_sys->i_maxwidth = var_GetInteger( p_stream, SOUT_CFG_PREFIX "maxwidth" );
360 p_sys->i_maxheight = var_GetInteger( p_stream, SOUT_CFG_PREFIX "maxheight" );
362 psz_string = var_GetString( p_stream, SOUT_CFG_PREFIX "vfilter" );
363 if( psz_string && *psz_string )
364 p_sys->psz_vf2 = strdup(psz_string );
366 p_sys->psz_vf2 = NULL;
369 p_sys->b_deinterlace = var_GetBool( p_stream, SOUT_CFG_PREFIX "deinterlace" );
371 psz_string = var_GetString( p_stream, SOUT_CFG_PREFIX "deinterlace-module" );
372 p_sys->psz_deinterlace = NULL;
373 p_sys->p_deinterlace_cfg = NULL;
374 if( psz_string && *psz_string )
377 psz_next = config_ChainCreate( &p_sys->psz_deinterlace,
378 &p_sys->p_deinterlace_cfg,
384 p_sys->i_threads = var_GetInteger( p_stream, SOUT_CFG_PREFIX "threads" );
385 p_sys->b_high_priority = var_GetBool( p_stream, SOUT_CFG_PREFIX "high-priority" );
387 if( p_sys->i_vcodec )
389 msg_Dbg( p_stream, "codec video=%4.4s %dx%d scaling: %f %dkb/s",
390 (char *)&p_sys->i_vcodec, p_sys->i_width, p_sys->i_height,
391 p_sys->f_scale, p_sys->i_vbitrate / 1000 );
394 /* Subpictures transcoding parameters */
396 p_sys->p_spu_blend = NULL;
397 p_sys->psz_senc = NULL;
398 p_sys->p_spu_cfg = NULL;
401 psz_string = var_GetString( p_stream, SOUT_CFG_PREFIX "senc" );
402 if( psz_string && *psz_string )
405 psz_next = config_ChainCreate( &p_sys->psz_senc, &p_sys->p_spu_cfg,
411 psz_string = var_GetString( p_stream, SOUT_CFG_PREFIX "scodec" );
412 if( psz_string && *psz_string )
415 memcpy( fcc, psz_string, __MIN( strlen( psz_string ), 4 ) );
416 p_sys->i_scodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
420 if( p_sys->i_scodec )
422 msg_Dbg( p_stream, "codec spu=%4.4s", (char *)&p_sys->i_scodec );
425 p_sys->b_soverlay = var_GetBool( p_stream, SOUT_CFG_PREFIX "soverlay" );
427 psz_string = var_GetString( p_stream, SOUT_CFG_PREFIX "sfilter" );
428 if( psz_string && *psz_string )
430 p_sys->p_spu = spu_Create( p_stream );
432 spu_ChangeSources( p_sys->p_spu, psz_string );
436 /* OSD menu transcoding parameters */
437 p_sys->psz_osdenc = NULL;
438 p_sys->p_osd_cfg = NULL;
439 p_sys->i_osdcodec = 0;
440 p_sys->b_osd = var_GetBool( p_stream, SOUT_CFG_PREFIX "osd" );
446 psz_next = config_ChainCreate( &p_sys->psz_osdenc,
447 &p_sys->p_osd_cfg, strdup( "dvbsub") );
450 p_sys->i_osdcodec = VLC_CODEC_YUVP;
452 msg_Dbg( p_stream, "codec osd=%4.4s", (char *)&p_sys->i_osdcodec );
456 p_sys->p_spu = spu_Create( p_stream );
458 spu_ChangeSources( p_sys->p_spu, "osdmenu" );
462 spu_ChangeSources( p_sys->p_spu, "osdmenu" );
467 p_sys->b_master_sync = var_GetBool( p_stream, SOUT_CFG_PREFIX "audio-sync" );
468 if( p_sys->f_fps > 0 ) p_sys->b_master_sync = true;
470 p_stream->pf_add = Add;
471 p_stream->pf_del = Del;
472 p_stream->pf_send = Send;
473 p_stream->p_sys = p_sys;
478 /*****************************************************************************
480 *****************************************************************************/
481 static void Close( vlc_object_t * p_this )
483 sout_stream_t *p_stream = (sout_stream_t*)p_this;
484 sout_stream_sys_t *p_sys = p_stream->p_sys;
486 free( p_sys->psz_af );
488 config_ChainDestroy( p_sys->p_audio_cfg );
489 free( p_sys->psz_aenc );
490 free( p_sys->psz_alang );
492 free( p_sys->psz_vf2 );
494 config_ChainDestroy( p_sys->p_video_cfg );
495 free( p_sys->psz_venc );
497 config_ChainDestroy( p_sys->p_deinterlace_cfg );
498 free( p_sys->psz_deinterlace );
500 config_ChainDestroy( p_sys->p_spu_cfg );
501 free( p_sys->psz_senc );
503 if( p_sys->p_spu ) spu_Destroy( p_sys->p_spu );
504 if( p_sys->p_spu_blend ) filter_DeleteBlend( p_sys->p_spu_blend );
506 config_ChainDestroy( p_sys->p_osd_cfg );
507 free( p_sys->psz_osdenc );
512 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
514 sout_stream_sys_t *p_sys = p_stream->p_sys;
515 sout_stream_id_t *id;
517 id = calloc( 1, sizeof( sout_stream_id_t ) );
522 id->p_decoder = NULL;
523 id->p_encoder = NULL;
525 /* Create decoder object */
526 id->p_decoder = vlc_object_create( p_stream, sizeof( decoder_t ) );
529 id->p_decoder->p_module = NULL;
530 id->p_decoder->fmt_in = *p_fmt;
531 id->p_decoder->b_pace_control = true;
533 /* Create encoder object */
534 id->p_encoder = sout_EncoderCreate( p_stream );
537 id->p_encoder->p_module = NULL;
539 /* Create destination format */
540 es_format_Init( &id->p_encoder->fmt_out, p_fmt->i_cat, 0 );
541 id->p_encoder->fmt_out.i_id = p_fmt->i_id;
542 id->p_encoder->fmt_out.i_group = p_fmt->i_group;
544 if( p_sys->psz_alang )
545 id->p_encoder->fmt_out.psz_language = strdup( p_sys->psz_alang );
546 else if( p_fmt->psz_language )
547 id->p_encoder->fmt_out.psz_language = strdup( p_fmt->psz_language );
551 if( p_fmt->i_cat == AUDIO_ES && (p_sys->i_acodec || p_sys->psz_aenc) )
552 success = transcode_audio_add(p_stream, p_fmt, id);
553 else if( p_fmt->i_cat == VIDEO_ES && (p_sys->i_vcodec || p_sys->psz_venc) )
554 success = transcode_video_add(p_stream, p_fmt, id);
555 else if( ( p_fmt->i_cat == SPU_ES ) &&
556 ( p_sys->i_scodec || p_sys->psz_senc || p_sys->b_soverlay ) )
557 success = transcode_spu_add(p_stream, p_fmt, id);
558 else if( !p_sys->b_osd && (p_sys->i_osdcodec != 0 || p_sys->psz_osdenc) )
559 success = transcode_osd_add(p_stream, p_fmt, id);
562 msg_Dbg( p_stream, "not transcoding a stream (fcc=`%4.4s')",
563 (char*)&p_fmt->i_codec );
564 id->id = sout_StreamIdAdd( p_stream->p_next, p_fmt );
565 id->b_transcode = false;
580 vlc_object_release( id->p_decoder );
581 id->p_decoder = NULL;
586 es_format_Clean( &id->p_encoder->fmt_out );
587 vlc_object_release( id->p_encoder );
588 id->p_encoder = NULL;
596 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
598 sout_stream_sys_t *p_sys = p_stream->p_sys;
600 if( id->b_transcode )
602 switch( id->p_decoder->fmt_in.i_cat )
605 Send( p_stream, id, NULL );
606 transcode_audio_close( id );
609 Send( p_stream, id, NULL );
610 transcode_video_close( p_stream, id );
614 transcode_osd_close( p_stream, id );
616 transcode_spu_close( p_stream, id );
621 if( id->id ) sout_StreamIdDel( p_stream->p_next, id->id );
625 vlc_object_release( id->p_decoder );
626 id->p_decoder = NULL;
631 es_format_Clean( &id->p_encoder->fmt_out );
632 vlc_object_release( id->p_encoder );
633 id->p_encoder = NULL;
640 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
643 sout_stream_sys_t *p_sys = p_stream->p_sys;
644 block_t *p_out = NULL;
646 if( !id->b_transcode )
649 return sout_StreamIdSend( p_stream->p_next, id->id, p_buffer );
651 block_Release( p_buffer );
655 switch( id->p_decoder->fmt_in.i_cat )
658 transcode_audio_process( p_stream, id, p_buffer, &p_out );
662 if( transcode_video_process( p_stream, id, p_buffer, &p_out )
670 /* Transcode OSD menu pictures. */
673 if( transcode_osd_process( p_stream, id, p_buffer, &p_out ) !=
679 else if ( transcode_spu_process( p_stream, id, p_buffer, &p_out ) !=
688 block_Release( p_buffer );
693 return sout_StreamIdSend( p_stream->p_next, id->id, p_out );