git.sesse.net Git - vlc/blob - modules/stream_out/transcode.c

   1 /*****************************************************************************
   2  * transcode.c: transcoding stream output module
   3  *****************************************************************************
   4  * Copyright (C) 2003-2004 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *          Gildas Bazin <gbazin@videolan.org>
   9  *          Jean-Paul Saman <jpsaman #_at_# m2x dot nl>
  10  *
  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.
  15  *
  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.
  20  *
  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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  24  *****************************************************************************/
  25
  26 /*****************************************************************************
  27  * Preamble
  28  *****************************************************************************/
  29 #include <stdlib.h>
  30 #include <string.h>
  31 #include <math.h>
  32
  33 #include <vlc/vlc.h>
  34 #include <vlc/input.h>
  35 #include <vlc/sout.h>
  36 #include <vlc/vout.h>
  37 #include <vlc/decoder.h>
  38 #include "vlc_filter.h"
  39 #include "vlc_osd.h"
  40
  41 #define MASTER_SYNC_MAX_DRIFT 100000
  42
  43 /*****************************************************************************
  44  * Module descriptor
  45  *****************************************************************************/
  46 #define VENC_TEXT N_("Video encoder")
  47 #define VENC_LONGTEXT N_( \
  48     "Allows you to specify the video encoder to use and its associated " \
  49     "options." )
  50 #define VCODEC_TEXT N_("Destination video codec")
  51 #define VCODEC_LONGTEXT N_( \
  52     "Allows you to specify the destination video codec used for the " \
  53     "streaming output." )
  54 #define VB_TEXT N_("Video bitrate")
  55 #define VB_LONGTEXT N_( \
  56     "Allows you to specify the video bitrate used for the streaming " \
  57     "output." )
  58 #define SCALE_TEXT N_("Video scaling")
  59 #define SCALE_LONGTEXT N_( \
  60     "Allows you to scale the video before encoding." )
  61 #define FPS_TEXT N_("Video frame-rate")
  62 #define FPS_LONGTEXT N_( \
  63     "Allows you to specify an output frame rate for the video." )
  64 #define DEINTERLACE_TEXT N_("Deinterlace video")
  65 #define DEINTERLACE_LONGTEXT N_( \
  66     "Allows you to deinterlace the video before encoding." )
  67 #define DEINTERLACE_MODULE_TEXT N_("Deinterlace module")
  68 #define DEINTERLACE_MODULE_LONGTEXT N_( \
  69     "Specifies the deinterlace module to use." )
  70 #define WIDTH_TEXT N_("Video width")
  71 #define WIDTH_LONGTEXT N_( \
  72     "Allows you to specify the output video width." )
  73 #define HEIGHT_TEXT N_("Video height")
  74 #define HEIGHT_LONGTEXT N_( \
  75     "Allows you to specify the output video height." )
  76 #define MAXWIDTH_TEXT N_("Maximum video width")
  77 #define MAXWIDTH_LONGTEXT N_( \
  78     "Allows you to specify a maximum output video width." )
  79 #define MAXHEIGHT_TEXT N_("Maximum video height")
  80 #define MAXHEIGHT_LONGTEXT N_( \
  81     "Allows you to specify a maximum output video height." )
  82 #define VFILTER_TEXT N_("Video filter")
  83 #define VFILTER_LONGTEXT N_( \
  84     "Allows you to specify video filters used after the video " \
  85     "transcoding and subpictures overlaying." )
  86
  87 #define CROPTOP_TEXT N_("Video crop top")
  88 #define CROPTOP_LONGTEXT N_( \
  89     "Allows you to specify the top coordinate for the video cropping." )
  90 #define CROPLEFT_TEXT N_("Video crop left")
  91 #define CROPLEFT_LONGTEXT N_( \
  92     "Allows you to specify the left coordinate for the video cropping." )
  93 #define CROPBOTTOM_TEXT N_("Video crop bottom")
  94 #define CROPBOTTOM_LONGTEXT N_( \
  95     "Allows you to specify the bottom coordinate for the video cropping." )
  96 #define CROPRIGHT_TEXT N_("Video crop right")
  97 #define CROPRIGHT_LONGTEXT N_( \
  98     "Allows you to specify the right coordinate for the video cropping." )
  99
 100 #define AENC_TEXT N_("Audio encoder")
 101 #define AENC_LONGTEXT N_( \
 102     "Allows you to specify the audio encoder to use and its associated " \
 103     "options." )
 104 #define ACODEC_TEXT N_("Destination audio codec")
 105 #define ACODEC_LONGTEXT N_( \
 106     "Allows you to specify the destination audio codec used for the " \
 107     "streaming output." )
 108 #define AB_TEXT N_("Audio bitrate")
 109 #define AB_LONGTEXT N_( \
 110     "Allows you to specify the audio bitrate used for the streaming " \
 111     "output." )
 112 #define ARATE_TEXT N_("Audio sample rate")
 113 #define ARATE_LONGTEXT N_( \
 114     "Allows you to specify the audio sample rate used for the streaming " \
 115     "output." )
 116 #define ACHANS_TEXT N_("Audio channels")
 117 #define ACHANS_LONGTEXT N_( \
 118     "Allows you to specify the number of audio channels used for the " \
 119     "streaming output." )
 120
 121 #define SENC_TEXT N_("Subtitles encoder")
 122 #define SENC_LONGTEXT N_( \
 123     "Allows you to specify the subtitles encoder to use and its associated " \
 124     "options." )
 125 #define SCODEC_TEXT N_("Destination subtitles codec")
 126 #define SCODEC_LONGTEXT N_( \
 127     "Allows you to specify the destination subtitles codec used for the " \
 128     "streaming output." )
 129 #define SFILTER_TEXT N_("Subpictures filter")
 130 #define SFILTER_LONGTEXT N_( \
 131     "Allows you to specify subpictures filters used during the video " \
 132     "transcoding. The subpictures produced by the filters will be overlayed " \
 133     "directly onto the video." )
 134
 135 #define OSD_TEXT N_("OSD menu")
 136 #define OSD_LONGTEXT N_(\
 137     "Enable streaming of the On Screen Display. It uses the osdmenu subfilter." )
 138
 139 #define THREADS_TEXT N_("Number of threads")
 140 #define THREADS_LONGTEXT N_( \
 141     "Allows you to specify the number of threads used for the transcoding." )
 142 #define HP_TEXT N_("High priority")
 143 #define HP_LONGTEXT N_( \
 144     "Runs the optional encoder thread at the OUTPUT priority instead of " \
 145     "VIDEO." )
 146
 147 #define ASYNC_TEXT N_("Synchronise on audio track")
 148 #define ASYNC_LONGTEXT N_( \
 149     "This option will drop/duplicate video frames to synchronise the video " \
 150     "track on the audio track." )
 151
 152 #define HURRYUP_TEXT N_( "Hurry up" )
 153 #define HURRYUP_LONGTEXT N_( "Allows you to specify if the transcoder " \
 154   "should drop frames if your CPU can't keep up with the encoding rate." )
 155
 156 static char *ppsz_deinterlace_type[] =
 157 {
 158     "deinterlace", "ffmpeg-deinterlace"
 159 };
 160
 161 static int  Open ( vlc_object_t * );
 162 static void Close( vlc_object_t * );
 163
 164 #define SOUT_CFG_PREFIX "sout-transcode-"
 165
 166 vlc_module_begin();
 167     set_shortname( _("Transcode"));
 168     set_description( _("Transcode stream output") );
 169     set_capability( "sout stream", 50 );
 170     add_shortcut( "transcode" );
 171     set_callbacks( Open, Close );
 172     set_category( CAT_SOUT );
 173     set_subcategory( SUBCAT_SOUT_STREAM );
 174     set_section( N_("Video"), NULL );
 175     add_string( SOUT_CFG_PREFIX "venc", NULL, NULL, VENC_TEXT,
 176                 VENC_LONGTEXT, VLC_FALSE );
 177     add_string( SOUT_CFG_PREFIX "vcodec", NULL, NULL, VCODEC_TEXT,
 178                 VCODEC_LONGTEXT, VLC_FALSE );
 179     add_integer( SOUT_CFG_PREFIX "vb", 800 * 1000, NULL, VB_TEXT,
 180                  VB_LONGTEXT, VLC_FALSE );
 181     add_float( SOUT_CFG_PREFIX "scale", 1, NULL, SCALE_TEXT,
 182                SCALE_LONGTEXT, VLC_FALSE );
 183     add_float( SOUT_CFG_PREFIX "fps", 0, NULL, FPS_TEXT,
 184                FPS_LONGTEXT, VLC_FALSE );
 185     add_bool( SOUT_CFG_PREFIX "hurry-up", VLC_TRUE, NULL, HURRYUP_TEXT,
 186                HURRYUP_LONGTEXT, VLC_FALSE );
 187     add_bool( SOUT_CFG_PREFIX "deinterlace", 0, NULL, DEINTERLACE_TEXT,
 188               DEINTERLACE_LONGTEXT, VLC_FALSE );
 189     add_string( SOUT_CFG_PREFIX "deinterlace-module", "deinterlace", NULL,
 190                 DEINTERLACE_MODULE_TEXT, DEINTERLACE_MODULE_LONGTEXT,
 191                 VLC_FALSE );
 192         change_string_list( ppsz_deinterlace_type, 0, 0 );
 193     add_integer( SOUT_CFG_PREFIX "width", 0, NULL, WIDTH_TEXT,
 194                  WIDTH_LONGTEXT, VLC_TRUE );
 195     add_integer( SOUT_CFG_PREFIX "height", 0, NULL, HEIGHT_TEXT,
 196                  HEIGHT_LONGTEXT, VLC_TRUE );
 197     add_integer( SOUT_CFG_PREFIX "maxwidth", 0, NULL, MAXWIDTH_TEXT,
 198                  MAXWIDTH_LONGTEXT, VLC_TRUE );
 199     add_integer( SOUT_CFG_PREFIX "maxheight", 0, NULL, MAXHEIGHT_TEXT,
 200                  MAXHEIGHT_LONGTEXT, VLC_TRUE );
 201     add_module_list_cat( SOUT_CFG_PREFIX "vfilter", SUBCAT_VIDEO_VFILTER,
 202                      NULL, NULL,
 203                      VFILTER_TEXT, VFILTER_LONGTEXT, VLC_FALSE );
 204
 205     add_integer( SOUT_CFG_PREFIX "croptop", 0, NULL, CROPTOP_TEXT,
 206                  CROPTOP_LONGTEXT, VLC_TRUE );
 207     add_integer( SOUT_CFG_PREFIX "cropleft", 0, NULL, CROPLEFT_TEXT,
 208                  CROPLEFT_LONGTEXT, VLC_TRUE );
 209     add_integer( SOUT_CFG_PREFIX "cropbottom", 0, NULL, CROPBOTTOM_TEXT,
 210                  CROPBOTTOM_LONGTEXT, VLC_TRUE );
 211     add_integer( SOUT_CFG_PREFIX "cropright", 0, NULL, CROPRIGHT_TEXT,
 212                  CROPRIGHT_LONGTEXT, VLC_TRUE );
 213
 214     set_section( N_("Audio"), NULL );
 215     add_string( SOUT_CFG_PREFIX "aenc", NULL, NULL, AENC_TEXT,
 216                 AENC_LONGTEXT, VLC_FALSE );
 217     add_string( SOUT_CFG_PREFIX "acodec", NULL, NULL, ACODEC_TEXT,
 218                 ACODEC_LONGTEXT, VLC_FALSE );
 219     add_integer( SOUT_CFG_PREFIX "ab", 64000, NULL, AB_TEXT,
 220                  AB_LONGTEXT, VLC_FALSE );
 221     add_integer( SOUT_CFG_PREFIX "channels", 0, NULL, ACHANS_TEXT,
 222                  ACHANS_LONGTEXT, VLC_FALSE );
 223     add_integer( SOUT_CFG_PREFIX "samplerate", 0, NULL, ARATE_TEXT,
 224                  ARATE_LONGTEXT, VLC_TRUE );
 225     add_bool( SOUT_CFG_PREFIX "audio-sync", 0, NULL, ASYNC_TEXT,
 226               ASYNC_LONGTEXT, VLC_FALSE );
 227
 228     set_section( N_("Overlays/Subtitles"), NULL );
 229     add_string( SOUT_CFG_PREFIX "senc", NULL, NULL, SENC_TEXT,
 230                 SENC_LONGTEXT, VLC_FALSE );
 231     add_string( SOUT_CFG_PREFIX "scodec", NULL, NULL, SCODEC_TEXT,
 232                 SCODEC_LONGTEXT, VLC_FALSE );
 233     add_bool( SOUT_CFG_PREFIX "soverlay", 0, NULL, SCODEC_TEXT,
 234                SCODEC_LONGTEXT, VLC_FALSE );
 235     add_module_list_cat( SOUT_CFG_PREFIX "sfilter", SUBCAT_VIDEO_SUBPIC,
 236                      NULL, NULL,
 237                      SFILTER_TEXT, SFILTER_LONGTEXT, VLC_FALSE );
 238
 239     set_section( N_("On Screen Display"), NULL );
 240     add_bool( SOUT_CFG_PREFIX "osd", 0, NULL, OSD_TEXT,
 241               OSD_LONGTEXT, VLC_FALSE );
 242
 243     set_section( N_("Miscellaneous"), NULL );
 244     add_integer( SOUT_CFG_PREFIX "threads", 0, NULL, THREADS_TEXT,
 245                  THREADS_LONGTEXT, VLC_TRUE );
 246     add_bool( SOUT_CFG_PREFIX "high-priority", 0, NULL, HP_TEXT, HP_LONGTEXT,
 247               VLC_TRUE );
 248
 249 vlc_module_end();
 250
 251 static const char *ppsz_sout_options[] = {
 252     "venc", "vcodec", "vb", "croptop", "cropbottom", "cropleft", "cropright",
 253     "scale", "fps", "width", "height", "vfilter", "deinterlace",
 254     "deinterlace-module", "threads", "hurry-up", "aenc", "acodec", "ab",
 255     "samplerate", "channels", "senc", "scodec", "soverlay", "sfilter",
 256     "osd", "audio-sync", "high-priority", "maxwidth", "maxheight", NULL
 257 };
 258
 259 /*****************************************************************************
 260  * Exported prototypes
 261  *****************************************************************************/
 262 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
 263 static int               Del ( sout_stream_t *, sout_stream_id_t * );
 264 static int               Send( sout_stream_t *, sout_stream_id_t *, block_t* );
 265
 266 static int  transcode_audio_new    ( sout_stream_t *, sout_stream_id_t * );
 267 static void transcode_audio_close  ( sout_stream_t *, sout_stream_id_t * );
 268 static int  transcode_audio_process( sout_stream_t *, sout_stream_id_t *,
 269                                      block_t *, block_t ** );
 270
 271 static aout_buffer_t *audio_new_buffer( decoder_t *, int );
 272 static void audio_del_buffer( decoder_t *, aout_buffer_t * );
 273
 274 static int  transcode_video_new    ( sout_stream_t *, sout_stream_id_t * );
 275 static void transcode_video_close  ( sout_stream_t *, sout_stream_id_t * );
 276 static int  transcode_video_encoder_open( sout_stream_t *, sout_stream_id_t *);
 277 static int  transcode_video_process( sout_stream_t *, sout_stream_id_t *,
 278                                      block_t *, block_t ** );
 279
 280 static void video_del_buffer( vlc_object_t *, picture_t * );
 281 static picture_t *video_new_buffer_decoder( decoder_t * );
 282 static void video_del_buffer_decoder( decoder_t *, picture_t * );
 283 static void video_link_picture_decoder( decoder_t *, picture_t * );
 284 static void video_unlink_picture_decoder( decoder_t *, picture_t * );
 285 static picture_t *video_new_buffer_filter( filter_t * );
 286 static void video_del_buffer_filter( filter_t *, picture_t * );
 287
 288 static int  transcode_spu_new    ( sout_stream_t *, sout_stream_id_t * );
 289 static void transcode_spu_close  ( sout_stream_t *, sout_stream_id_t * );
 290 static int  transcode_spu_process( sout_stream_t *, sout_stream_id_t *,
 291                                    block_t *, block_t ** );
 292
 293 static int  transcode_osd_new    ( sout_stream_t *, sout_stream_id_t * );
 294 static void transcode_osd_close  ( sout_stream_t *, sout_stream_id_t * );
 295 static int  transcode_osd_process( sout_stream_t *, sout_stream_id_t *,
 296                                    block_t *, block_t ** );
 297
 298 static int  EncoderThread( struct sout_stream_sys_t * p_sys );
 299
 300 static int pi_channels_maps[6] =
 301 {
 302     0,
 303     AOUT_CHAN_CENTER,   AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
 304     AOUT_CHAN_CENTER | AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
 305     AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT
 306      | AOUT_CHAN_REARRIGHT,
 307     AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
 308      | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT
 309 };
 310
 311 #define PICTURE_RING_SIZE 64
 312 #define SUBPICTURE_RING_SIZE 20
 313
 314 struct sout_stream_sys_t
 315 {
 316     VLC_COMMON_MEMBERS
 317
 318     sout_stream_t   *p_out;
 319     sout_stream_id_t *id_video;
 320     block_t         *p_buffers;
 321     vlc_mutex_t     lock_out;
 322     vlc_cond_t      cond;
 323     picture_t *     pp_pics[PICTURE_RING_SIZE];
 324     int             i_first_pic, i_last_pic;
 325
 326     /* Audio */
 327     vlc_fourcc_t    i_acodec;   /* codec audio (0 if not transcode) */
 328     char            *psz_aenc;
 329     sout_cfg_t      *p_audio_cfg;
 330     int             i_sample_rate;
 331     int             i_channels;
 332     int             i_abitrate;
 333
 334     /* Video */
 335     vlc_fourcc_t    i_vcodec;   /* codec video (0 if not transcode) */
 336     char            *psz_venc;
 337     sout_cfg_t      *p_video_cfg;
 338     int             i_vbitrate;
 339     double          f_scale;
 340     double          f_fps;
 341     unsigned int    i_width, i_maxwidth;
 342     unsigned int    i_height, i_maxheight;
 343     vlc_bool_t      b_deinterlace;
 344     char            *psz_deinterlace;
 345     sout_cfg_t      *p_deinterlace_cfg;
 346     int             i_threads;
 347     vlc_bool_t      b_high_priority;
 348     vlc_bool_t      b_hurry_up;
 349     char            *psz_vfilters[10];
 350     sout_cfg_t      *p_vfilters_cfg[10];
 351     int             i_vfilters;
 352
 353     int             i_crop_top;
 354     int             i_crop_bottom;
 355     int             i_crop_right;
 356     int             i_crop_left;
 357
 358     /* SPU */
 359     vlc_fourcc_t    i_scodec;   /* codec spu (0 if not transcode) */
 360     char            *psz_senc;
 361     vlc_bool_t      b_soverlay;
 362     sout_cfg_t      *p_spu_cfg;
 363     spu_t           *p_spu;
 364
 365     /* OSD Menu */
 366     sout_stream_id_t *id_osd;   /* extension for streaming OSD menus */
 367     vlc_fourcc_t    i_osdcodec; /* codec osd menu (0 if not transcode) */
 368     char            *psz_osdenc;
 369     sout_cfg_t      *p_osd_cfg;
 370     vlc_bool_t      b_es_osd;      /* VLC_TRUE when osd es is registered */
 371     vlc_bool_t      b_sout_osd;
 372
 373     /* Sync */
 374     vlc_bool_t      b_master_sync;
 375     mtime_t         i_master_drift;
 376 };
 377
 378 struct decoder_owner_sys_t
 379 {
 380     picture_t *pp_pics[PICTURE_RING_SIZE];
 381     sout_stream_sys_t *p_sys;
 382 };
 383 struct filter_owner_sys_t
 384 {
 385     picture_t *pp_pics[PICTURE_RING_SIZE];
 386     sout_stream_sys_t *p_sys;
 387 };
 388
 389 /*****************************************************************************
 390  * Open:
 391  *****************************************************************************/
 392 static int Open( vlc_object_t *p_this )
 393 {
 394     sout_stream_t     *p_stream = (sout_stream_t*)p_this;
 395     sout_stream_sys_t *p_sys;
 396     vlc_value_t       val;
 397
 398     p_sys = vlc_object_create( p_this, sizeof( sout_stream_sys_t ) );
 399
 400     p_sys->p_out = sout_StreamNew( p_stream->p_sout, p_stream->psz_next );
 401     if( !p_sys->p_out )
 402     {
 403         msg_Err( p_stream, "cannot create chain" );
 404         vlc_object_destroy( p_sys );
 405         return VLC_EGENERIC;
 406     }
 407
 408     p_sys->i_master_drift = 0;
 409
 410     sout_CfgParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options,
 411                    p_stream->p_cfg );
 412
 413     /* Audio transcoding parameters */
 414     var_Get( p_stream, SOUT_CFG_PREFIX "aenc", &val );
 415     p_sys->psz_aenc = NULL;
 416     p_sys->p_audio_cfg = NULL;
 417     if( val.psz_string && *val.psz_string )
 418     {
 419         char *psz_next;
 420         psz_next = sout_CfgCreate( &p_sys->psz_aenc, &p_sys->p_audio_cfg,
 421                                    val.psz_string );
 422         if( psz_next ) free( psz_next );
 423     }
 424     if( val.psz_string ) free( val.psz_string );
 425
 426     var_Get( p_stream, SOUT_CFG_PREFIX "acodec", &val );
 427     p_sys->i_acodec = 0;
 428     if( val.psz_string && *val.psz_string )
 429     {
 430         char fcc[4] = "    ";
 431         memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
 432         p_sys->i_acodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
 433     }
 434     if( val.psz_string ) free( val.psz_string );
 435
 436     var_Get( p_stream, SOUT_CFG_PREFIX "ab", &val );
 437     p_sys->i_abitrate = val.i_int;
 438     if( p_sys->i_abitrate < 4000 ) p_sys->i_abitrate *= 1000;
 439
 440     var_Get( p_stream, SOUT_CFG_PREFIX "samplerate", &val );
 441     p_sys->i_sample_rate = val.i_int;
 442
 443     var_Get( p_stream, SOUT_CFG_PREFIX "channels", &val );
 444     p_sys->i_channels = val.i_int;
 445
 446     if( p_sys->i_acodec )
 447     {
 448         if( (strncmp( (char *)&p_sys->i_acodec, "mp3", 3) == 0) &&
 449                             (p_sys->i_channels > 2) )
 450         {
 451             msg_Warn( p_stream, "%d channels invalid for mp3, forcing to 2",
 452                       p_sys->i_channels );
 453             p_sys->i_channels = 2;
 454         }
 455         msg_Dbg( p_stream, "codec audio=%4.4s %dHz %d channels %dKb/s",
 456                  (char *)&p_sys->i_acodec, p_sys->i_sample_rate,
 457                  p_sys->i_channels, p_sys->i_abitrate / 1000 );
 458     }
 459
 460     /* Video transcoding parameters */
 461     var_Get( p_stream, SOUT_CFG_PREFIX "venc", &val );
 462     p_sys->psz_venc = NULL;
 463     p_sys->p_video_cfg = NULL;
 464     if( val.psz_string && *val.psz_string )
 465     {
 466         char *psz_next;
 467         psz_next = sout_CfgCreate( &p_sys->psz_venc, &p_sys->p_video_cfg,
 468                                    val.psz_string );
 469         if( psz_next ) free( psz_next );
 470     }
 471     if( val.psz_string ) free( val.psz_string );
 472
 473     var_Get( p_stream, SOUT_CFG_PREFIX "vcodec", &val );
 474     p_sys->i_vcodec = 0;
 475     if( val.psz_string && *val.psz_string )
 476     {
 477         char fcc[4] = "    ";
 478         memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
 479         p_sys->i_vcodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
 480     }
 481     if( val.psz_string ) free( val.psz_string );
 482
 483     var_Get( p_stream, SOUT_CFG_PREFIX "vb", &val );
 484     p_sys->i_vbitrate = val.i_int;
 485     if( p_sys->i_vbitrate < 16000 ) p_sys->i_vbitrate *= 1000;
 486
 487     var_Get( p_stream, SOUT_CFG_PREFIX "scale", &val );
 488     p_sys->f_scale = val.f_float;
 489
 490     var_Get( p_stream, SOUT_CFG_PREFIX "fps", &val );
 491     p_sys->f_fps = val.f_float;
 492
 493     var_Get( p_stream, SOUT_CFG_PREFIX "hurry-up", &val );
 494     p_sys->b_hurry_up = val.b_bool;
 495
 496     var_Get( p_stream, SOUT_CFG_PREFIX "width", &val );
 497     p_sys->i_width = val.i_int;
 498
 499     var_Get( p_stream, SOUT_CFG_PREFIX "height", &val );
 500     p_sys->i_height = val.i_int;
 501
 502     var_Get( p_stream, SOUT_CFG_PREFIX "maxwidth", &val );
 503     p_sys->i_maxwidth = val.i_int;
 504
 505     var_Get( p_stream, SOUT_CFG_PREFIX "maxheight", &val );
 506     p_sys->i_maxheight = val.i_int;
 507
 508     var_Get( p_stream, SOUT_CFG_PREFIX "vfilter", &val );
 509     p_sys->i_vfilters = 0;
 510     if( val.psz_string && *val.psz_string )
 511     {
 512         char *psz_parser = val.psz_string;
 513
 514         while( psz_parser != NULL && *psz_parser != '\0' )
 515         {
 516             psz_parser = sout_CfgCreate(
 517                                    &p_sys->psz_vfilters[p_sys->i_vfilters],
 518                                    &p_sys->p_vfilters_cfg[p_sys->i_vfilters],
 519                                    psz_parser );
 520             p_sys->i_vfilters++;
 521             if( psz_parser != NULL && *psz_parser != '\0' ) psz_parser++;
 522         }
 523     }
 524     if( val.psz_string ) free( val.psz_string );
 525     p_sys->psz_vfilters[p_sys->i_vfilters] = NULL;
 526     p_sys->p_vfilters_cfg[p_sys->i_vfilters] = NULL;
 527
 528     var_Get( p_stream, SOUT_CFG_PREFIX "deinterlace", &val );
 529     p_sys->b_deinterlace = val.b_bool;
 530
 531     var_Get( p_stream, SOUT_CFG_PREFIX "deinterlace-module", &val );
 532     p_sys->psz_deinterlace = NULL;
 533     p_sys->p_deinterlace_cfg = NULL;
 534     if( val.psz_string && *val.psz_string )
 535     {
 536         char *psz_next;
 537         psz_next = sout_CfgCreate( &p_sys->psz_deinterlace,
 538                                    &p_sys->p_deinterlace_cfg,
 539                                    val.psz_string );
 540         if( psz_next ) free( psz_next );
 541     }
 542     if( val.psz_string ) free( val.psz_string );
 543
 544     var_Get( p_stream, SOUT_CFG_PREFIX "croptop", &val );
 545     p_sys->i_crop_top = val.i_int;
 546     var_Get( p_stream, SOUT_CFG_PREFIX "cropbottom", &val );
 547     p_sys->i_crop_bottom = val.i_int;
 548     var_Get( p_stream, SOUT_CFG_PREFIX "cropleft", &val );
 549     p_sys->i_crop_left = val.i_int;
 550     var_Get( p_stream, SOUT_CFG_PREFIX "cropright", &val );
 551     p_sys->i_crop_right = val.i_int;
 552
 553     var_Get( p_stream, SOUT_CFG_PREFIX "threads", &val );
 554     p_sys->i_threads = val.i_int;
 555     var_Get( p_stream, SOUT_CFG_PREFIX "high-priority", &val );
 556     p_sys->b_high_priority = val.b_bool;
 557
 558     if( p_sys->i_vcodec )
 559     {
 560         msg_Dbg( p_stream, "codec video=%4.4s %dx%d scaling: %f %dkb/s",
 561                  (char *)&p_sys->i_vcodec, p_sys->i_width, p_sys->i_height,
 562                  p_sys->f_scale, p_sys->i_vbitrate / 1000 );
 563     }
 564
 565     /* Subpictures transcoding parameters */
 566     p_sys->p_spu = NULL;
 567     p_sys->psz_senc = NULL;
 568     p_sys->p_spu_cfg = NULL;
 569     p_sys->i_scodec = 0;
 570
 571     var_Get( p_stream, SOUT_CFG_PREFIX "senc", &val );
 572     if( val.psz_string && *val.psz_string )
 573     {
 574         char *psz_next;
 575         psz_next = sout_CfgCreate( &p_sys->psz_senc, &p_sys->p_spu_cfg,
 576                                    val.psz_string );
 577         if( psz_next ) free( psz_next );
 578     }
 579     if( val.psz_string ) free( val.psz_string );
 580
 581     var_Get( p_stream, SOUT_CFG_PREFIX "scodec", &val );
 582     if( val.psz_string && *val.psz_string )
 583     {
 584         char fcc[4] = "    ";
 585         memcpy( fcc, val.psz_string, __MIN( strlen( val.psz_string ), 4 ) );
 586         p_sys->i_scodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
 587     }
 588     if( val.psz_string ) free( val.psz_string );
 589
 590     if( p_sys->i_scodec )
 591     {
 592         msg_Dbg( p_stream, "codec spu=%4.4s", (char *)&p_sys->i_scodec );
 593     }
 594
 595     var_Get( p_stream, SOUT_CFG_PREFIX "soverlay", &val );
 596     p_sys->b_soverlay = val.b_bool;
 597
 598     var_Get( p_stream, SOUT_CFG_PREFIX "sfilter", &val );
 599     if( val.psz_string && *val.psz_string )
 600     {
 601         p_sys->p_spu = spu_Create( p_stream );
 602         var_Create( p_sys->p_spu, "sub-filter", VLC_VAR_STRING );
 603         var_Set( p_sys->p_spu, "sub-filter", val );
 604         spu_Init( p_sys->p_spu );
 605     }
 606     if( val.psz_string ) free( val.psz_string );
 607
 608     /* OSD menu transcoding parameters */
 609     p_sys->psz_osdenc = NULL;
 610     p_sys->p_osd_cfg  = NULL;
 611     p_sys->i_osdcodec = 0;
 612     p_sys->b_es_osd   = VLC_FALSE;
 613
 614     var_Get( p_stream, SOUT_CFG_PREFIX "osd", &val );
 615     p_sys->b_sout_osd = val.b_bool;
 616     if( p_sys->b_sout_osd )
 617     {
 618         vlc_value_t osd_val;
 619         char *psz_next;
 620
 621         psz_next = sout_CfgCreate( &p_sys->psz_osdenc,
 622                                    &p_sys->p_osd_cfg, strdup( "dvbsub") );
 623         if( psz_next ) free( psz_next );
 624
 625         p_sys->i_osdcodec = VLC_FOURCC('Y','U','V','P' );
 626
 627         msg_Dbg( p_stream, "codec osd=%4.4s", (char *)&p_sys->i_osdcodec );
 628
 629         if( !p_sys->p_spu )
 630         {
 631             osd_val.psz_string = strdup("osdmenu");
 632             p_sys->p_spu = spu_Create( p_stream );
 633             var_Create( p_sys->p_spu, "sub-filter", VLC_VAR_STRING );
 634             var_Set( p_sys->p_spu, "sub-filter", osd_val );
 635             spu_Init( p_sys->p_spu );
 636             if( osd_val.psz_string ) free( osd_val.psz_string );
 637         }
 638         else
 639         {
 640             osd_val.psz_string = strdup("osdmenu");
 641             var_Set( p_sys->p_spu, "sub-filter", osd_val );
 642             if( osd_val.psz_string ) free( osd_val.psz_string );
 643         }
 644     }
 645
 646     /* Audio settings */
 647     var_Get( p_stream, SOUT_CFG_PREFIX "audio-sync", &val );
 648     p_sys->b_master_sync = val.b_bool;
 649     if( p_sys->f_fps > 0 ) p_sys->b_master_sync = VLC_TRUE;
 650
 651     p_stream->pf_add    = Add;
 652     p_stream->pf_del    = Del;
 653     p_stream->pf_send   = Send;
 654     p_stream->p_sys     = p_sys;
 655
 656     return VLC_SUCCESS;
 657 }
 658
 659 /*****************************************************************************
 660  * Close:
 661  *****************************************************************************/
 662 static void Close( vlc_object_t * p_this )
 663 {
 664     sout_stream_t       *p_stream = (sout_stream_t*)p_this;
 665     sout_stream_sys_t   *p_sys = p_stream->p_sys;
 666
 667     sout_StreamDelete( p_sys->p_out );
 668
 669     while( p_sys->p_audio_cfg != NULL )
 670     {
 671         sout_cfg_t *p_next = p_sys->p_audio_cfg->p_next;
 672
 673         if( p_sys->p_audio_cfg->psz_name )
 674             free( p_sys->p_audio_cfg->psz_name );
 675         if( p_sys->p_audio_cfg->psz_value )
 676             free( p_sys->p_audio_cfg->psz_value );
 677         free( p_sys->p_audio_cfg );
 678
 679         p_sys->p_audio_cfg = p_next;
 680     }
 681     if( p_sys->psz_aenc ) free( p_sys->psz_aenc );
 682
 683     while( p_sys->p_video_cfg != NULL )
 684     {
 685         sout_cfg_t *p_next = p_sys->p_video_cfg->p_next;
 686
 687         if( p_sys->p_video_cfg->psz_name )
 688             free( p_sys->p_video_cfg->psz_name );
 689         if( p_sys->p_video_cfg->psz_value )
 690             free( p_sys->p_video_cfg->psz_value );
 691         free( p_sys->p_video_cfg );
 692
 693         p_sys->p_video_cfg = p_next;
 694     }
 695     if( p_sys->psz_venc ) free( p_sys->psz_venc );
 696
 697     while( p_sys->p_deinterlace_cfg != NULL )
 698     {
 699         sout_cfg_t *p_next = p_sys->p_deinterlace_cfg->p_next;
 700
 701         if( p_sys->p_deinterlace_cfg->psz_name )
 702             free( p_sys->p_deinterlace_cfg->psz_name );
 703         if( p_sys->p_deinterlace_cfg->psz_value )
 704             free( p_sys->p_deinterlace_cfg->psz_value );
 705         free( p_sys->p_deinterlace_cfg );
 706
 707         p_sys->p_deinterlace_cfg = p_next;
 708     }
 709     if( p_sys->psz_deinterlace ) free( p_sys->psz_deinterlace );
 710
 711     while( p_sys->p_spu_cfg != NULL )
 712     {
 713         sout_cfg_t *p_next = p_sys->p_spu_cfg->p_next;
 714
 715         if( p_sys->p_spu_cfg->psz_name )
 716             free( p_sys->p_spu_cfg->psz_name );
 717         if( p_sys->p_spu_cfg->psz_value )
 718             free( p_sys->p_spu_cfg->psz_value );
 719         free( p_sys->p_spu_cfg );
 720
 721         p_sys->p_spu_cfg = p_next;
 722     }
 723     if( p_sys->psz_senc ) free( p_sys->psz_senc );
 724
 725     if( p_sys->p_spu ) spu_Destroy( p_sys->p_spu );
 726
 727     while( p_sys->p_osd_cfg != NULL )
 728     {
 729         sout_cfg_t *p_next = p_sys->p_osd_cfg->p_next;
 730
 731         if( p_sys->p_osd_cfg->psz_name )
 732             free( p_sys->p_osd_cfg->psz_name );
 733         if( p_sys->p_osd_cfg->psz_value )
 734             free( p_sys->p_osd_cfg->psz_value );
 735         free( p_sys->p_osd_cfg );
 736
 737         p_sys->p_osd_cfg = p_next;
 738     }
 739     if( p_sys->psz_osdenc ) free( p_sys->psz_osdenc );
 740
 741     vlc_object_destroy( p_sys );
 742 }
 743
 744 struct sout_stream_id_t
 745 {
 746     vlc_fourcc_t  b_transcode;
 747
 748     /* id of the out stream */
 749     void *id;
 750
 751     /* Decoder */
 752     decoder_t       *p_decoder;
 753
 754     /* Filters */
 755     filter_t        *pp_filter[10];
 756     int             i_filter;
 757     filter_t        *pp_vfilter[10];
 758     int             i_vfilter;
 759
 760     /* Encoder */
 761     encoder_t       *p_encoder;
 762
 763     /* Sync */
 764     date_t          interpolated_pts;
 765 };
 766
 767 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
 768 {
 769     sout_stream_sys_t *p_sys = p_stream->p_sys;
 770     sout_stream_id_t *id;
 771
 772     id = malloc( sizeof( sout_stream_id_t ) );
 773     memset( id, 0, sizeof(sout_stream_id_t) );
 774
 775     id->id = NULL;
 776     id->p_decoder = NULL;
 777     id->p_encoder = NULL;
 778
 779     /* Create decoder object */
 780     id->p_decoder = vlc_object_create( p_stream, VLC_OBJECT_DECODER );
 781     if( !id->p_decoder )
 782     {
 783         msg_Err( p_stream, "out of memory" );
 784         goto error;
 785     }
 786     vlc_object_attach( id->p_decoder, p_stream );
 787     id->p_decoder->p_module = NULL;
 788     id->p_decoder->fmt_in = *p_fmt;
 789     id->p_decoder->b_pace_control = VLC_TRUE;
 790
 791     /* Create encoder object */
 792     id->p_encoder = vlc_object_create( p_stream, VLC_OBJECT_ENCODER );
 793     if( !id->p_encoder )
 794     {
 795         msg_Err( p_stream, "out of memory" );
 796         goto error;
 797     }
 798     vlc_object_attach( id->p_encoder, p_stream );
 799     id->p_encoder->p_module = NULL;
 800
 801     /* Create destination format */
 802     es_format_Init( &id->p_encoder->fmt_out, p_fmt->i_cat, 0 );
 803     id->p_encoder->fmt_out.i_id    = p_fmt->i_id;
 804     id->p_encoder->fmt_out.i_group = p_fmt->i_group;
 805     if( p_fmt->psz_language )
 806         id->p_encoder->fmt_out.psz_language = strdup( p_fmt->psz_language );
 807
 808     if( p_fmt->i_cat == AUDIO_ES && (p_sys->i_acodec || p_sys->psz_aenc) )
 809     {
 810         msg_Dbg( p_stream,
 811                  "creating audio transcoding from fcc=`%4.4s' to fcc=`%4.4s'",
 812                  (char*)&p_fmt->i_codec, (char*)&p_sys->i_acodec );
 813
 814         /* Complete destination format */
 815         id->p_encoder->fmt_out.i_codec = p_sys->i_acodec;
 816         id->p_encoder->fmt_out.audio.i_rate = p_sys->i_sample_rate > 0 ?
 817             p_sys->i_sample_rate : (int)p_fmt->audio.i_rate;
 818         id->p_encoder->fmt_out.i_bitrate = p_sys->i_abitrate;
 819         id->p_encoder->fmt_out.audio.i_bitspersample =
 820             p_fmt->audio.i_bitspersample;
 821         id->p_encoder->fmt_out.audio.i_channels = p_sys->i_channels > 0 ?
 822             p_sys->i_channels : p_fmt->audio.i_channels;
 823         /* Sanity check for audio channels */
 824         id->p_encoder->fmt_out.audio.i_channels =
 825             __MIN( id->p_encoder->fmt_out.audio.i_channels,
 826                    id->p_decoder->fmt_in.audio.i_channels );
 827         id->p_encoder->fmt_out.audio.i_original_channels =
 828             id->p_decoder->fmt_in.audio.i_physical_channels;
 829         if( id->p_decoder->fmt_in.audio.i_channels ==
 830             id->p_encoder->fmt_out.audio.i_channels )
 831         {
 832             id->p_encoder->fmt_out.audio.i_physical_channels =
 833                 id->p_decoder->fmt_in.audio.i_physical_channels;
 834         }
 835         else
 836         {
 837             id->p_encoder->fmt_out.audio.i_physical_channels =
 838                 pi_channels_maps[id->p_encoder->fmt_out.audio.i_channels];
 839         }
 840
 841         /* Build decoder -> filter -> encoder chain */
 842         if( transcode_audio_new( p_stream, id ) )
 843         {
 844             msg_Err( p_stream, "cannot create audio chain" );
 845             goto error;
 846         }
 847
 848         /* Open output stream */
 849         id->id = p_sys->p_out->pf_add( p_sys->p_out, &id->p_encoder->fmt_out );
 850         id->b_transcode = VLC_TRUE;
 851
 852         if( !id->id ) goto error;
 853
 854         date_Init( &id->interpolated_pts, p_fmt->audio.i_rate, 1 );
 855     }
 856     else if( p_fmt->i_cat == VIDEO_ES &&
 857              (p_sys->i_vcodec != 0 || p_sys->psz_venc) )
 858     {
 859         msg_Dbg( p_stream,
 860                  "creating video transcoding from fcc=`%4.4s' to fcc=`%4.4s'",
 861                  (char*)&p_fmt->i_codec, (char*)&p_sys->i_vcodec );
 862
 863         /* Complete destination format */
 864         id->p_encoder->fmt_out.i_codec = p_sys->i_vcodec;
 865         id->p_encoder->fmt_out.video.i_width  = p_sys->i_width;
 866         id->p_encoder->fmt_out.video.i_height = p_sys->i_height;
 867         id->p_encoder->fmt_out.i_bitrate = p_sys->i_vbitrate;
 868
 869         /* Build decoder -> filter -> encoder chain */
 870         if( transcode_video_new( p_stream, id ) )
 871         {
 872             msg_Err( p_stream, "cannot create video chain" );
 873             goto error;
 874         }
 875
 876         /* Stream will be added later on because we don't know
 877          * all the characteristics of the decoded stream yet */
 878         id->b_transcode = VLC_TRUE;
 879
 880         if( p_sys->f_fps > 0 )
 881         {
 882             id->p_encoder->fmt_out.video.i_frame_rate =
 883                 (p_sys->f_fps * 1001) + 0.5;
 884             id->p_encoder->fmt_out.video.i_frame_rate_base = 1001;
 885         }
 886     }
 887     else if( p_fmt->i_cat == SPU_ES && (p_sys->i_scodec || p_sys->psz_senc) )
 888     {
 889         msg_Dbg( p_stream, "creating subtitles transcoding from fcc=`%4.4s' "
 890                  "to fcc=`%4.4s'", (char*)&p_fmt->i_codec,
 891                  (char*)&p_sys->i_scodec );
 892
 893         /* Complete destination format */
 894         id->p_encoder->fmt_out.i_codec = p_sys->i_scodec;
 895
 896         /* build decoder -> filter -> encoder */
 897         if( transcode_spu_new( p_stream, id ) )
 898         {
 899             msg_Err( p_stream, "cannot create subtitles chain" );
 900             goto error;
 901         }
 902
 903         /* open output stream */
 904         id->id = p_sys->p_out->pf_add( p_sys->p_out, &id->p_encoder->fmt_out );
 905         id->b_transcode = VLC_TRUE;
 906
 907         if( !id->id ) goto error;
 908     }
 909     else if( p_fmt->i_cat == SPU_ES && p_sys->b_soverlay )
 910     {
 911         msg_Dbg( p_stream, "subtitles (fcc=`%4.4s') overlaying",
 912                  (char*)&p_fmt->i_codec );
 913
 914         id->b_transcode = VLC_TRUE;
 915
 916         /* Build decoder -> filter -> overlaying chain */
 917         if( transcode_spu_new( p_stream, id ) )
 918         {
 919             msg_Err( p_stream, "cannot create subtitles chain" );
 920             goto error;
 921         }
 922     }
 923     else
 924     {
 925         msg_Dbg( p_stream, "not transcoding a stream (fcc=`%4.4s')",
 926                  (char*)&p_fmt->i_codec );
 927         id->id = p_sys->p_out->pf_add( p_sys->p_out, p_fmt );
 928         id->b_transcode = VLC_FALSE;
 929
 930         if( !id->id ) goto error;
 931     }
 932
 933     if( p_sys->b_sout_osd )
 934     {
 935         /* Create a fake OSD menu elementary stream */
 936         if( !p_sys->b_es_osd && (p_sys->i_osdcodec != 0 || p_sys->psz_osdenc) )
 937         {
 938             if( transcode_osd_new( p_stream, p_sys->id_osd ) )
 939             {
 940                 msg_Err( p_stream, "cannot create osd chain" );
 941                 goto error;
 942             }
 943             p_sys->b_es_osd = VLC_TRUE;
 944         }
 945     }
 946     return id;
 947
 948  error:
 949     if( id->p_decoder )
 950     {
 951         vlc_object_detach( id->p_decoder );
 952         vlc_object_destroy( id->p_decoder );
 953     }
 954
 955     if( id->p_encoder )
 956     {
 957         vlc_object_detach( id->p_encoder );
 958         vlc_object_destroy( id->p_encoder );
 959     }
 960
 961     free( id );
 962     return NULL;
 963 }
 964
 965 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
 966 {
 967     sout_stream_sys_t *p_sys = p_stream->p_sys;
 968
 969     if( p_sys->b_es_osd )
 970         transcode_osd_close( p_stream, p_sys->id_osd );
 971
 972     if( id->b_transcode )
 973     {
 974         switch( id->p_decoder->fmt_in.i_cat )
 975         {
 976         case AUDIO_ES:
 977             transcode_audio_close( p_stream, id );
 978             break;
 979         case VIDEO_ES:
 980             transcode_video_close( p_stream, id );
 981             break;
 982         case SPU_ES:
 983             transcode_spu_close( p_stream, id );
 984             break;
 985         }
 986     }
 987
 988     if( id->id ) p_sys->p_out->pf_del( p_sys->p_out, id->id );
 989
 990     if( id->p_decoder )
 991     {
 992         vlc_object_detach( id->p_decoder );
 993         vlc_object_destroy( id->p_decoder );
 994     }
 995
 996     if( id->p_encoder )
 997     {
 998         vlc_object_detach( id->p_encoder );
 999         vlc_object_destroy( id->p_encoder );
1000     }
1001
1002     free( id );
1003
1004     return VLC_SUCCESS;
1005 }
1006
1007 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
1008                  block_t *p_buffer )
1009 {
1010     sout_stream_sys_t *p_sys = p_stream->p_sys;
1011     block_t *p_out = NULL;
1012
1013     if( !id->b_transcode && id->id )
1014     {
1015         /* Transcode OSD menu pictures. */
1016         if( p_sys->b_es_osd )
1017         {
1018             transcode_osd_process( p_stream, id, p_buffer, &p_out );
1019         }
1020         return p_sys->p_out->pf_send( p_sys->p_out, id->id, p_buffer );
1021     }
1022     else if( !id->b_transcode )
1023     {
1024         block_Release( p_buffer );
1025         return VLC_EGENERIC;
1026     }
1027
1028     switch( id->p_decoder->fmt_in.i_cat )
1029     {
1030     case AUDIO_ES:
1031         transcode_audio_process( p_stream, id, p_buffer, &p_out );
1032         break;
1033
1034     case VIDEO_ES:
1035         if( transcode_video_process( p_stream, id, p_buffer, &p_out )
1036             != VLC_SUCCESS )
1037         {
1038             return VLC_EGENERIC;
1039         }
1040         break;
1041
1042     case SPU_ES:
1043         if( transcode_spu_process( p_stream, id, p_buffer, &p_out ) !=
1044             VLC_SUCCESS )
1045         {
1046             return VLC_EGENERIC;
1047         }
1048         break;
1049
1050     default:
1051         p_out = NULL;
1052         block_Release( p_buffer );
1053         break;
1054     }
1055
1056     if( p_out ) return p_sys->p_out->pf_send( p_sys->p_out, id->id, p_out );
1057     return VLC_SUCCESS;
1058 }
1059
1060 /****************************************************************************
1061  * decoder reencoder part
1062  ****************************************************************************/
1063 int audio_BitsPerSample( vlc_fourcc_t i_format )
1064 {
1065     switch( i_format )
1066     {
1067     case VLC_FOURCC('u','8',' ',' '):
1068     case VLC_FOURCC('s','8',' ',' '):
1069         return 8;
1070
1071     case VLC_FOURCC('u','1','6','l'):
1072     case VLC_FOURCC('s','1','6','l'):
1073     case VLC_FOURCC('u','1','6','b'):
1074     case VLC_FOURCC('s','1','6','b'):
1075         return 16;
1076
1077     case VLC_FOURCC('u','2','4','l'):
1078     case VLC_FOURCC('s','2','4','l'):
1079     case VLC_FOURCC('u','2','4','b'):
1080     case VLC_FOURCC('s','2','4','b'):
1081         return 24;
1082
1083     case VLC_FOURCC('u','3','2','l'):
1084     case VLC_FOURCC('s','3','2','l'):
1085     case VLC_FOURCC('u','3','2','b'):
1086     case VLC_FOURCC('s','3','2','b'):
1087     case VLC_FOURCC('f','l','3','2'):
1088     case VLC_FOURCC('f','i','3','2'):
1089         return 32;
1090
1091     case VLC_FOURCC('f','l','6','4'):
1092         return 64;
1093     }
1094
1095     return 0;
1096 }
1097
1098 static filter_t *transcode_audio_filter_new( sout_stream_t *p_stream,
1099                                              sout_stream_id_t *id,
1100                                              es_format_t *p_fmt_in,
1101                                              es_format_t *p_fmt_out )
1102 {
1103     filter_t *p_filter = vlc_object_create( p_stream, VLC_OBJECT_FILTER );
1104
1105     vlc_object_attach( p_filter, p_stream );
1106     p_filter->pf_audio_buffer_new = (block_t* (*) (filter_t*, int))__block_New;
1107
1108     p_filter->fmt_in = *p_fmt_in;
1109     p_filter->fmt_out = *p_fmt_out;
1110
1111     p_filter->p_module = module_Need( p_filter, "audio filter2", 0, 0 );
1112     if( p_filter->p_module )
1113     {
1114         p_filter->fmt_out.audio.i_bitspersample =
1115             audio_BitsPerSample( p_filter->fmt_out.i_codec );
1116         *p_fmt_in = p_filter->fmt_out;
1117     }
1118     else
1119     {
1120         vlc_object_detach( p_filter );
1121         vlc_object_destroy( p_filter );
1122         p_filter = 0;
1123     }
1124
1125     return p_filter;
1126 }
1127
1128 static int transcode_audio_new( sout_stream_t *p_stream,
1129                                 sout_stream_id_t *id )
1130 {
1131     sout_stream_sys_t *p_sys = p_stream->p_sys;
1132     es_format_t fmt_last;
1133     int i_pass = 6;
1134
1135     /*
1136      * Open decoder
1137      */
1138
1139     /* Initialization of decoder structures */
1140     id->p_decoder->fmt_out = id->p_decoder->fmt_in;
1141     id->p_decoder->fmt_out.i_extra = 0;
1142     id->p_decoder->fmt_out.p_extra = 0;
1143     id->p_decoder->pf_decode_audio = 0;
1144     id->p_decoder->pf_aout_buffer_new = audio_new_buffer;
1145     id->p_decoder->pf_aout_buffer_del = audio_del_buffer;
1146     /* id->p_decoder->p_cfg = p_sys->p_audio_cfg; */
1147
1148     id->p_decoder->p_module =
1149         module_Need( id->p_decoder, "decoder", "$codec", 0 );
1150
1151     if( !id->p_decoder->p_module )
1152     {
1153         msg_Err( p_stream, "cannot find decoder" );
1154         return VLC_EGENERIC;
1155     }
1156     id->p_decoder->fmt_out.audio.i_bitspersample =
1157         audio_BitsPerSample( id->p_decoder->fmt_out.i_codec );
1158     fmt_last = id->p_decoder->fmt_out;
1159     /* FIX decoders so we don't have to do this */
1160     fmt_last.audio.i_rate = id->p_decoder->fmt_in.audio.i_rate;
1161
1162     /*
1163      * Open encoder
1164      */
1165
1166     /* Initialization of encoder format structures */
1167     es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
1168                     id->p_decoder->fmt_out.i_codec );
1169     id->p_encoder->fmt_in.audio.i_format = id->p_decoder->fmt_out.i_codec;
1170
1171     /* Initialization of encoder format structures */
1172     es_format_Init( &id->p_encoder->fmt_in, AUDIO_ES, AOUT_FMT_S16_NE );
1173     id->p_encoder->fmt_in.audio.i_format = AOUT_FMT_S16_NE;
1174     id->p_encoder->fmt_in.audio.i_rate = id->p_encoder->fmt_out.audio.i_rate;
1175     id->p_encoder->fmt_in.audio.i_physical_channels =
1176         id->p_encoder->fmt_out.audio.i_physical_channels;
1177     id->p_encoder->fmt_in.audio.i_original_channels =
1178         id->p_encoder->fmt_out.audio.i_original_channels;
1179     id->p_encoder->fmt_in.audio.i_channels =
1180         id->p_encoder->fmt_out.audio.i_channels;
1181     id->p_encoder->fmt_in.audio.i_bitspersample =
1182         audio_BitsPerSample( id->p_encoder->fmt_in.i_codec );
1183
1184     id->p_encoder->p_cfg = p_stream->p_sys->p_audio_cfg;
1185
1186     id->p_encoder->p_module =
1187         module_Need( id->p_encoder, "encoder", p_sys->psz_aenc, VLC_TRUE );
1188     if( !id->p_encoder->p_module )
1189     {
1190         msg_Err( p_stream, "cannot find encoder" );
1191         module_Unneed( id->p_decoder, id->p_decoder->p_module );
1192         id->p_decoder->p_module = 0;
1193         return VLC_EGENERIC;
1194     }
1195     id->p_encoder->fmt_in.audio.i_format = id->p_encoder->fmt_in.i_codec;
1196     id->p_encoder->fmt_in.audio.i_bitspersample =
1197         audio_BitsPerSample( id->p_encoder->fmt_in.i_codec );
1198
1199     /* Load conversion filters */
1200     if( fmt_last.audio.i_channels != id->p_encoder->fmt_in.audio.i_channels ||
1201         fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate )
1202     {
1203         /* We'll have to go through fl32 first */
1204         es_format_t fmt_out = id->p_encoder->fmt_in;
1205         fmt_out.i_codec = fmt_out.audio.i_format = VLC_FOURCC('f','l','3','2');
1206
1207         id->pp_filter[id->i_filter] =
1208             transcode_audio_filter_new( p_stream, id, &fmt_last, &fmt_out );
1209
1210         if( id->pp_filter[id->i_filter] ) id->i_filter++;
1211     }
1212
1213     while( i_pass-- )
1214     {
1215         if( fmt_last.audio.i_channels !=
1216             id->p_encoder->fmt_in.audio.i_channels ||
1217             fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate ||
1218             fmt_last.i_codec != id->p_encoder->fmt_in.i_codec )
1219         {
1220             id->pp_filter[id->i_filter] =
1221                 transcode_audio_filter_new( p_stream, id, &fmt_last,
1222                                             &id->p_encoder->fmt_in );
1223
1224             if( id->pp_filter[id->i_filter] ) id->i_filter++;
1225             else break;
1226         }
1227     }
1228
1229     /* Final checks to see if conversions were successful */
1230     if( fmt_last.i_codec != id->p_encoder->fmt_in.i_codec )
1231     {
1232         msg_Err( p_stream, "no audio filter found (%4.4s->%4.4s)",
1233                  (char *)&fmt_last.i_codec,
1234                  (char *)&id->p_encoder->fmt_in.i_codec );
1235         transcode_audio_close( p_stream, id );
1236         return VLC_EGENERIC;
1237     }
1238
1239     if( fmt_last.audio.i_channels != id->p_encoder->fmt_in.audio.i_channels )
1240     {
1241         msg_Err( p_stream, "no audio filter found for mixing from"
1242                  " %i to %i channels", fmt_last.audio.i_channels,
1243                  id->p_encoder->fmt_in.audio.i_channels );
1244 #if 0
1245         /* FIXME : this might work, but only if the encoder is restarted */
1246         id->p_encoder->fmt_in.audio.i_channels = fmt_last.audio.i_channels;
1247         id->p_encoder->fmt_out.audio.i_channels = fmt_last.audio.i_channels;
1248
1249         id->p_encoder->fmt_in.audio.i_physical_channels =
1250             id->p_encoder->fmt_in.audio.i_original_channels =
1251                 fmt_last.audio.i_physical_channels;
1252         id->p_encoder->fmt_out.audio.i_physical_channels =
1253             id->p_encoder->fmt_out.audio.i_original_channels =
1254                 fmt_last.audio.i_physical_channels;
1255 #else
1256         transcode_audio_close( p_stream, id );
1257         return VLC_EGENERIC;
1258 #endif
1259     }
1260
1261     if( fmt_last.audio.i_rate != id->p_encoder->fmt_in.audio.i_rate )
1262     {
1263         msg_Err( p_stream, "no audio filter found for resampling from"
1264                  " %iHz to %iHz", fmt_last.audio.i_rate,
1265                  id->p_encoder->fmt_in.audio.i_rate );
1266 #if 0
1267         /* FIXME : this might work, but only if the encoder is restarted */
1268         id->p_encoder->fmt_in.audio.i_rate = fmt_last.audio.i_rate;
1269         id->p_encoder->fmt_out.audio.i_rate = fmt_last.audio.i_rate;
1270 #else
1271         transcode_audio_close( p_stream, id );
1272         return VLC_EGENERIC;
1273 #endif
1274     }
1275
1276     /* FIXME: Hack for mp3 transcoding support */
1277     if( id->p_encoder->fmt_out.i_codec == VLC_FOURCC( 'm','p','3',' ' ) )
1278         id->p_encoder->fmt_out.i_codec = VLC_FOURCC( 'm','p','g','a' );
1279
1280     return VLC_SUCCESS;
1281 }
1282
1283 static void transcode_audio_close( sout_stream_t *p_stream,
1284                                    sout_stream_id_t *id )
1285 {
1286     int i;
1287
1288     /* Close decoder */
1289     if( id->p_decoder->p_module )
1290         module_Unneed( id->p_decoder, id->p_decoder->p_module );
1291     id->p_decoder->p_module = 0;
1292
1293     /* Close encoder */
1294     if( id->p_encoder->p_module )
1295         module_Unneed( id->p_encoder, id->p_encoder->p_module );
1296     id->p_encoder->p_module = 0;
1297
1298     /* Close filters */
1299     for( i = 0; i < id->i_filter; i++ )
1300     {
1301         vlc_object_detach( id->pp_filter[i] );
1302         if( id->pp_filter[i]->p_module )
1303             module_Unneed( id->pp_filter[i], id->pp_filter[i]->p_module );
1304         vlc_object_destroy( id->pp_filter[i] );
1305     }
1306 }
1307
1308 static int transcode_audio_process( sout_stream_t *p_stream,
1309                                     sout_stream_id_t *id,
1310                                     block_t *in, block_t **out )
1311 {
1312     sout_stream_sys_t *p_sys = p_stream->p_sys;
1313     aout_buffer_t *p_audio_buf;
1314     block_t *p_block, *p_audio_block;
1315     int i;
1316     *out = NULL;
1317
1318     while( (p_audio_buf = id->p_decoder->pf_decode_audio( id->p_decoder,
1319                                                           &in )) )
1320     {
1321         if( p_sys->b_master_sync )
1322         {
1323             mtime_t i_dts = date_Get( &id->interpolated_pts ) + 1;
1324             if ( p_audio_buf->start_date - i_dts > MASTER_SYNC_MAX_DRIFT
1325                   || p_audio_buf->start_date - i_dts < -MASTER_SYNC_MAX_DRIFT )
1326             {
1327                 msg_Dbg( p_stream, "drift is too high, resetting master sync" );
1328                 date_Set( &id->interpolated_pts, p_audio_buf->start_date );
1329                 i_dts = p_audio_buf->start_date + 1;
1330             }
1331             p_sys->i_master_drift = p_audio_buf->start_date - i_dts;
1332             date_Increment( &id->interpolated_pts, p_audio_buf->i_nb_samples );
1333             p_audio_buf->start_date -= p_sys->i_master_drift;
1334             p_audio_buf->end_date -= p_sys->i_master_drift;
1335         }
1336
1337         p_audio_block = p_audio_buf->p_sys;
1338         p_audio_block->i_buffer = p_audio_buf->i_nb_bytes;
1339         p_audio_block->i_dts = p_audio_block->i_pts =
1340             p_audio_buf->start_date;
1341         p_audio_block->i_length = p_audio_buf->end_date -
1342             p_audio_buf->start_date;
1343         p_audio_block->i_samples = p_audio_buf->i_nb_samples;
1344
1345         /* Run filter chain */
1346         for( i = 0; i < id->i_filter; i++ )
1347         {
1348             p_audio_block =
1349                 id->pp_filter[i]->pf_audio_filter( id->pp_filter[i],
1350                                                    p_audio_block );
1351         }
1352
1353         p_audio_buf->p_buffer = p_audio_block->p_buffer;
1354         p_audio_buf->i_nb_bytes = p_audio_block->i_buffer;
1355         p_audio_buf->i_nb_samples = p_audio_block->i_samples;
1356         p_audio_buf->start_date = p_audio_block->i_dts;
1357         p_audio_buf->end_date = p_audio_block->i_dts + p_audio_block->i_length;
1358
1359         p_block = id->p_encoder->pf_encode_audio( id->p_encoder, p_audio_buf );
1360         block_ChainAppend( out, p_block );
1361         block_Release( p_audio_block );
1362         free( p_audio_buf );
1363     }
1364
1365     return VLC_SUCCESS;
1366 }
1367
1368 static void audio_release_buffer( aout_buffer_t *p_buffer )
1369 {
1370     if( p_buffer && p_buffer->p_sys ) block_Release( p_buffer->p_sys );
1371     if( p_buffer ) free( p_buffer );
1372 }
1373
1374 static aout_buffer_t *audio_new_buffer( decoder_t *p_dec, int i_samples )
1375 {
1376     aout_buffer_t *p_buffer;
1377     block_t *p_block;
1378     int i_size;
1379
1380     if( p_dec->fmt_out.audio.i_bitspersample )
1381     {
1382         i_size = i_samples * p_dec->fmt_out.audio.i_bitspersample / 8 *
1383             p_dec->fmt_out.audio.i_channels;
1384     }
1385     else if( p_dec->fmt_out.audio.i_bytes_per_frame &&
1386              p_dec->fmt_out.audio.i_frame_length )
1387     {
1388         i_size = i_samples * p_dec->fmt_out.audio.i_bytes_per_frame /
1389             p_dec->fmt_out.audio.i_frame_length;
1390     }
1391     else
1392     {
1393         i_size = i_samples * 4 * p_dec->fmt_out.audio.i_channels;
1394     }
1395
1396     p_buffer = malloc( sizeof(aout_buffer_t) );
1397     p_buffer->pf_release = audio_release_buffer;
1398     p_buffer->p_sys = p_block = block_New( p_dec, i_size );
1399
1400     p_buffer->p_buffer = p_block->p_buffer;
1401     p_buffer->i_size = p_buffer->i_nb_bytes = p_block->i_buffer;
1402     p_buffer->i_nb_samples = i_samples;
1403     p_block->i_samples = i_samples;
1404
1405     return p_buffer;
1406 }
1407
1408 static void audio_del_buffer( decoder_t *p_dec, aout_buffer_t *p_buffer )
1409 {
1410     if( p_buffer && p_buffer->p_sys ) block_Release( p_buffer->p_sys );
1411     if( p_buffer ) free( p_buffer );
1412 }
1413
1414 /*
1415  * video
1416  */
1417 static int transcode_video_new( sout_stream_t *p_stream, sout_stream_id_t *id )
1418 {
1419     sout_stream_sys_t *p_sys = p_stream->p_sys;
1420     int i;
1421
1422     /*
1423      * Open decoder
1424      */
1425
1426     /* Initialization of decoder structures */
1427     id->p_decoder->fmt_out = id->p_decoder->fmt_in;
1428     id->p_decoder->fmt_out.i_extra = 0;
1429     id->p_decoder->fmt_out.p_extra = 0;
1430     id->p_decoder->pf_decode_video = 0;
1431     id->p_decoder->pf_vout_buffer_new = video_new_buffer_decoder;
1432     id->p_decoder->pf_vout_buffer_del = video_del_buffer_decoder;
1433     id->p_decoder->pf_picture_link    = video_link_picture_decoder;
1434     id->p_decoder->pf_picture_unlink  = video_unlink_picture_decoder;
1435     id->p_decoder->p_owner = malloc( sizeof(decoder_owner_sys_t) );
1436     for( i = 0; i < PICTURE_RING_SIZE; i++ )
1437         id->p_decoder->p_owner->pp_pics[i] = 0;
1438     id->p_decoder->p_owner->p_sys = p_sys;
1439     /* id->p_decoder->p_cfg = p_sys->p_video_cfg; */
1440
1441     id->p_decoder->p_module =
1442         module_Need( id->p_decoder, "decoder", "$codec", 0 );
1443
1444     if( !id->p_decoder->p_module )
1445     {
1446         msg_Err( p_stream, "cannot find decoder" );
1447         return VLC_EGENERIC;
1448     }
1449
1450     /*
1451      * Open encoder.
1452      * Because some info about the decoded input will only be available
1453      * once the first frame is decoded, we actually only test the availability
1454      * of the encoder here.
1455      */
1456
1457     /* Initialization of encoder format structures */
1458     es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
1459                     id->p_decoder->fmt_out.i_codec );
1460     id->p_encoder->fmt_in.video.i_chroma = id->p_decoder->fmt_out.i_codec;
1461
1462     /* The dimensions will be set properly later on.
1463      * Just put sensible values so we can test an encoder is available. */
1464     id->p_encoder->fmt_in.video.i_width =
1465         id->p_encoder->fmt_out.video.i_width ?
1466         id->p_encoder->fmt_out.video.i_width :
1467         id->p_decoder->fmt_in.video.i_width ?
1468         id->p_decoder->fmt_in.video.i_width : 16;
1469     id->p_encoder->fmt_in.video.i_height =
1470         id->p_encoder->fmt_out.video.i_height ?
1471         id->p_encoder->fmt_out.video.i_height :
1472         id->p_decoder->fmt_in.video.i_height ?
1473         id->p_decoder->fmt_in.video.i_height : 16;
1474     id->p_encoder->fmt_in.video.i_frame_rate = 25;
1475     id->p_encoder->fmt_in.video.i_frame_rate_base = 1;
1476
1477     id->p_encoder->i_threads = p_sys->i_threads;
1478     id->p_encoder->p_cfg = p_sys->p_video_cfg;
1479
1480     id->p_encoder->p_module =
1481         module_Need( id->p_encoder, "encoder", p_sys->psz_venc, VLC_TRUE );
1482     if( !id->p_encoder->p_module )
1483     {
1484         msg_Err( p_stream, "cannot find encoder" );
1485         module_Unneed( id->p_decoder, id->p_decoder->p_module );
1486         id->p_decoder->p_module = 0;
1487         return VLC_EGENERIC;
1488     }
1489
1490     /* Close the encoder.
1491      * We'll open it only when we have the first frame. */
1492     module_Unneed( id->p_encoder, id->p_encoder->p_module );
1493     id->p_encoder->p_module = NULL;
1494
1495     if( p_sys->i_threads >= 1 )
1496     {
1497         int i_priority = p_sys->b_high_priority ? VLC_THREAD_PRIORITY_OUTPUT :
1498                            VLC_THREAD_PRIORITY_VIDEO;
1499         p_sys->id_video = id;
1500         vlc_mutex_init( p_stream, &p_sys->lock_out );
1501         vlc_cond_init( p_stream, &p_sys->cond );
1502         memset( p_sys->pp_pics, 0, sizeof(p_sys->pp_pics) );
1503         p_sys->i_first_pic = 0;
1504         p_sys->i_last_pic = 0;
1505         p_sys->p_buffers = NULL;
1506         p_sys->b_die = p_sys->b_error = 0;
1507         if( vlc_thread_create( p_sys, "encoder", EncoderThread, i_priority,
1508                                VLC_FALSE ) )
1509         {
1510             msg_Err( p_stream, "cannot spawn encoder thread" );
1511             module_Unneed( id->p_decoder, id->p_decoder->p_module );
1512             id->p_decoder->p_module = 0;
1513             return VLC_EGENERIC;
1514         }
1515     }
1516
1517     return VLC_SUCCESS;
1518 }
1519
1520 static int transcode_video_encoder_open( sout_stream_t *p_stream,
1521                                          sout_stream_id_t *id )
1522 {
1523     sout_stream_sys_t *p_sys = p_stream->p_sys;
1524
1525     /* Hack because of the copy packetizer which can fail to detect the
1526      * proper size (which forces us to wait until the 1st frame
1527      * is decoded) */
1528     int i_width = id->p_decoder->fmt_out.video.i_width -
1529         p_sys->i_crop_left - p_sys->i_crop_right;
1530     int i_height = id->p_decoder->fmt_out.video.i_height -
1531         p_sys->i_crop_top - p_sys->i_crop_bottom;
1532
1533     if( id->p_encoder->fmt_out.video.i_width <= 0 &&
1534         id->p_encoder->fmt_out.video.i_height <= 0 && p_sys->f_scale )
1535     {
1536         /* Apply the scaling */
1537         id->p_encoder->fmt_out.video.i_width = i_width * p_sys->f_scale;
1538         id->p_encoder->fmt_out.video.i_height = i_height * p_sys->f_scale;
1539     }
1540     else if( id->p_encoder->fmt_out.video.i_width > 0 &&
1541              id->p_encoder->fmt_out.video.i_height <= 0 )
1542     {
1543         id->p_encoder->fmt_out.video.i_height =
1544             id->p_encoder->fmt_out.video.i_width / (double)i_width * i_height;
1545     }
1546     else if( id->p_encoder->fmt_out.video.i_width <= 0 &&
1547              id->p_encoder->fmt_out.video.i_height > 0 )
1548     {
1549         id->p_encoder->fmt_out.video.i_width =
1550             id->p_encoder->fmt_out.video.i_height / (double)i_height * i_width;
1551     }
1552
1553     if( p_sys->i_maxwidth
1554          && id->p_encoder->fmt_out.video.i_width > p_sys->i_maxwidth )
1555         id->p_encoder->fmt_out.video.i_width = p_sys->i_maxwidth;
1556     if( p_sys->i_maxheight
1557          && id->p_encoder->fmt_out.video.i_height > p_sys->i_maxheight )
1558         id->p_encoder->fmt_out.video.i_height = p_sys->i_maxheight;
1559
1560     /* Make sure the size is at least a multiple of 2 */
1561     id->p_encoder->fmt_out.video.i_width =
1562         (id->p_encoder->fmt_out.video.i_width + 1) >> 1 << 1;
1563     id->p_encoder->fmt_out.video.i_height =
1564         (id->p_encoder->fmt_out.video.i_height + 1) >> 1 << 1;
1565
1566     id->p_encoder->fmt_in.video.i_width =
1567         id->p_encoder->fmt_out.video.i_width;
1568     id->p_encoder->fmt_in.video.i_height =
1569         id->p_encoder->fmt_out.video.i_height;
1570
1571     if( !id->p_encoder->fmt_out.video.i_frame_rate ||
1572         !id->p_encoder->fmt_out.video.i_frame_rate_base )
1573     {
1574         if( id->p_decoder->fmt_out.video.i_frame_rate &&
1575             id->p_decoder->fmt_out.video.i_frame_rate_base )
1576         {
1577             id->p_encoder->fmt_out.video.i_frame_rate =
1578                 id->p_decoder->fmt_out.video.i_frame_rate;
1579             id->p_encoder->fmt_out.video.i_frame_rate_base =
1580                 id->p_decoder->fmt_out.video.i_frame_rate_base;
1581         }
1582         else
1583         {
1584             /* Pick a sensible default value */
1585             id->p_encoder->fmt_out.video.i_frame_rate = 25;
1586             id->p_encoder->fmt_out.video.i_frame_rate_base = 1;
1587         }
1588     }
1589
1590     id->p_encoder->fmt_in.video.i_frame_rate =
1591         id->p_encoder->fmt_out.video.i_frame_rate;
1592     id->p_encoder->fmt_in.video.i_frame_rate_base =
1593         id->p_encoder->fmt_out.video.i_frame_rate_base;
1594
1595     date_Init( &id->interpolated_pts,
1596                id->p_encoder->fmt_out.video.i_frame_rate,
1597                id->p_encoder->fmt_out.video.i_frame_rate_base );
1598
1599     /* Check whether a particular aspect ratio was requested */
1600     if( !id->p_encoder->fmt_out.video.i_aspect )
1601     {
1602         id->p_encoder->fmt_out.video.i_aspect =
1603             id->p_decoder->fmt_out.video.i_aspect;
1604     }
1605     id->p_encoder->fmt_in.video.i_aspect =
1606         id->p_encoder->fmt_out.video.i_aspect;
1607
1608     id->p_encoder->p_module =
1609         module_Need( id->p_encoder, "encoder", p_sys->psz_venc, VLC_TRUE );
1610     if( !id->p_encoder->p_module )
1611     {
1612         msg_Err( p_stream, "cannot find encoder" );
1613         return VLC_EGENERIC;
1614     }
1615
1616     id->p_encoder->fmt_in.video.i_chroma = id->p_encoder->fmt_in.i_codec;
1617
1618     /* Hack for mp2v/mp1v transcoding support */
1619     if( id->p_encoder->fmt_out.i_codec == VLC_FOURCC('m','p','1','v') ||
1620         id->p_encoder->fmt_out.i_codec == VLC_FOURCC('m','p','2','v') )
1621     {
1622         id->p_encoder->fmt_out.i_codec = VLC_FOURCC('m','p','g','v');
1623     }
1624
1625     id->id = p_stream->p_sys->p_out->pf_add( p_stream->p_sys->p_out,
1626                                              &id->p_encoder->fmt_out );
1627     if( !id->id )
1628     {
1629         msg_Err( p_stream, "cannot add this stream" );
1630         return VLC_EGENERIC;
1631     }
1632
1633     return VLC_SUCCESS;
1634 }
1635
1636 static void transcode_video_close( sout_stream_t *p_stream,
1637                                    sout_stream_id_t *id )
1638 {
1639     int i, j;
1640
1641     if( p_stream->p_sys->i_threads >= 1 )
1642     {
1643         vlc_mutex_lock( &p_stream->p_sys->lock_out );
1644         p_stream->p_sys->b_die = 1;
1645         vlc_cond_signal( &p_stream->p_sys->cond );
1646         vlc_mutex_unlock( &p_stream->p_sys->lock_out );
1647         vlc_thread_join( p_stream->p_sys );
1648         vlc_mutex_destroy( &p_stream->p_sys->lock_out );
1649         vlc_cond_destroy( &p_stream->p_sys->cond );
1650     }
1651
1652     /* Close decoder */
1653     if( id->p_decoder->p_module )
1654         module_Unneed( id->p_decoder, id->p_decoder->p_module );
1655
1656     if( id->p_decoder->p_owner )
1657     {
1658         /* Clean-up pictures ring buffer */
1659         for( i = 0; i < PICTURE_RING_SIZE; i++ )
1660         {
1661             if( id->p_decoder->p_owner->pp_pics[i] )
1662                 video_del_buffer( VLC_OBJECT(id->p_decoder),
1663                                   id->p_decoder->p_owner->pp_pics[i] );
1664         }
1665         free( id->p_decoder->p_owner );
1666     }
1667
1668     /* Close encoder */
1669     if( id->p_encoder->p_module )
1670         module_Unneed( id->p_encoder, id->p_encoder->p_module );
1671
1672     /* Close filters */
1673     for( i = 0; i < id->i_filter; i++ )
1674     {
1675         vlc_object_detach( id->pp_filter[i] );
1676         if( id->pp_filter[i]->p_module )
1677             module_Unneed( id->pp_filter[i], id->pp_filter[i]->p_module );
1678
1679         /* Clean-up pictures ring buffer */
1680         for( j = 0; j < PICTURE_RING_SIZE; j++ )
1681         {
1682             if( id->pp_filter[i]->p_owner->pp_pics[j] )
1683                 video_del_buffer( VLC_OBJECT(id->pp_filter[i]),
1684                                   id->pp_filter[i]->p_owner->pp_pics[j] );
1685         }
1686         free( id->pp_filter[i]->p_owner );
1687
1688         vlc_object_destroy( id->pp_filter[i] );
1689     }
1690     for( i = 0; i < id->i_vfilter; i++ )
1691     {
1692         vlc_object_detach( id->pp_vfilter[i] );
1693         if( id->pp_vfilter[i]->p_module )
1694             module_Unneed( id->pp_vfilter[i], id->pp_vfilter[i]->p_module );
1695
1696         /* Clean-up pictures ring buffer */
1697         for( j = 0; j < PICTURE_RING_SIZE; j++ )
1698         {
1699             if( id->pp_vfilter[i]->p_owner->pp_pics[j] )
1700                 video_del_buffer( VLC_OBJECT(id->pp_vfilter[i]),
1701                                   id->pp_vfilter[i]->p_owner->pp_pics[j] );
1702         }
1703         free( id->pp_vfilter[i]->p_owner );
1704
1705         vlc_object_destroy( id->pp_vfilter[i] );
1706     }
1707 }
1708
1709 static int transcode_video_process( sout_stream_t *p_stream,
1710                                     sout_stream_id_t *id,
1711                                     block_t *in, block_t **out )
1712 {
1713     sout_stream_sys_t *p_sys = p_stream->p_sys;
1714     int i_duplicate = 1, i;
1715     picture_t *p_pic, *p_pic2 = NULL;
1716     *out = NULL;
1717
1718     while( (p_pic = id->p_decoder->pf_decode_video( id->p_decoder, &in )) )
1719     {
1720         subpicture_t *p_subpic = 0;
1721
1722         if( p_stream->p_sout->i_out_pace_nocontrol && p_sys->b_hurry_up )
1723         {
1724             mtime_t current_date = mdate();
1725             if( current_date + 50000 > p_pic->date )
1726             {
1727                 msg_Dbg( p_stream, "late picture skipped ("I64Fd")",
1728                          current_date + 50000 - p_pic->date );
1729                 p_pic->pf_release( p_pic );
1730                 continue;
1731             }
1732         }
1733
1734         if( p_sys->b_master_sync )
1735         {
1736             mtime_t i_video_drift;
1737             mtime_t i_master_drift = p_sys->i_master_drift;
1738             mtime_t i_pts;
1739
1740             i_pts = date_Get( &id->interpolated_pts ) + 1;
1741             if ( p_pic->date - i_pts > MASTER_SYNC_MAX_DRIFT
1742                   || p_pic->date - i_pts < -MASTER_SYNC_MAX_DRIFT )
1743             {
1744                 msg_Dbg( p_stream, "drift is too high, resetting master sync" );
1745                 date_Set( &id->interpolated_pts, p_pic->date );
1746                 i_pts = p_pic->date + 1;
1747             }
1748             i_video_drift = p_pic->date - i_pts;
1749             i_duplicate = 1;
1750
1751             /* Set the pts of the frame being encoded */
1752             p_pic->date = i_pts;
1753
1754             if( i_video_drift < i_master_drift - 50000 )
1755             {
1756 #if 0
1757                 msg_Dbg( p_stream, "dropping frame (%i)",
1758                          (int)(i_video_drift - i_master_drift) );
1759 #endif
1760                 p_pic->pf_release( p_pic );
1761                 continue;
1762             }
1763             else if( i_video_drift > i_master_drift + 50000 )
1764             {
1765 #if 0
1766                 msg_Dbg( p_stream, "adding frame (%i)",
1767                          (int)(i_video_drift - i_master_drift) );
1768 #endif
1769                 i_duplicate = 2;
1770             }
1771         }
1772
1773         if( !id->p_encoder->p_module )
1774         {
1775             if( transcode_video_encoder_open( p_stream, id ) != VLC_SUCCESS )
1776             {
1777                 p_pic->pf_release( p_pic );
1778                 transcode_video_close( p_stream, id );
1779                 id->b_transcode = VLC_FALSE;
1780                 return VLC_EGENERIC;
1781             }
1782
1783             /* Deinterlace */
1784             if( p_stream->p_sys->b_deinterlace )
1785             {
1786                 id->pp_filter[id->i_filter] =
1787                     vlc_object_create( p_stream, VLC_OBJECT_FILTER );
1788                 vlc_object_attach( id->pp_filter[id->i_filter], p_stream );
1789
1790                 id->pp_filter[id->i_filter]->pf_vout_buffer_new =
1791                     video_new_buffer_filter;
1792                 id->pp_filter[id->i_filter]->pf_vout_buffer_del =
1793                     video_del_buffer_filter;
1794
1795                 id->pp_filter[id->i_filter]->fmt_in = id->p_decoder->fmt_out;
1796                 id->pp_filter[id->i_filter]->fmt_out = id->p_decoder->fmt_out;
1797                 id->pp_filter[id->i_filter]->p_cfg = p_sys->p_deinterlace_cfg;
1798                 id->pp_filter[id->i_filter]->p_module =
1799                     module_Need( id->pp_filter[id->i_filter],
1800                                  "video filter2", p_sys->psz_deinterlace, 0 );
1801                 if( id->pp_filter[id->i_filter]->p_module )
1802                 {
1803                     id->pp_filter[id->i_filter]->p_owner =
1804                         malloc( sizeof(filter_owner_sys_t) );
1805                     for( i = 0; i < PICTURE_RING_SIZE; i++ )
1806                         id->pp_filter[id->i_filter]->p_owner->pp_pics[i] = 0;
1807                     id->pp_filter[id->i_filter]->p_owner->p_sys = p_sys;
1808
1809                     id->i_filter++;
1810                 }
1811                 else
1812                 {
1813                     msg_Dbg( p_stream, "no video filter found" );
1814                     vlc_object_detach( id->pp_filter[id->i_filter] );
1815                     vlc_object_destroy( id->pp_filter[id->i_filter] );
1816                 }
1817             }
1818
1819             /* Check if we need a filter for chroma conversion or resizing */
1820             if( id->p_decoder->fmt_out.video.i_chroma !=
1821                 id->p_encoder->fmt_in.video.i_chroma ||
1822                 id->p_decoder->fmt_out.video.i_width !=
1823                 id->p_encoder->fmt_out.video.i_width ||
1824                 id->p_decoder->fmt_out.video.i_height !=
1825                 id->p_encoder->fmt_out.video.i_height ||
1826                 p_sys->i_crop_top > 0 || p_sys->i_crop_bottom > 0 ||
1827                 p_sys->i_crop_left > 0 || p_sys->i_crop_right > 0 )
1828             {
1829                 id->pp_filter[id->i_filter] =
1830                     vlc_object_create( p_stream, VLC_OBJECT_FILTER );
1831                 vlc_object_attach( id->pp_filter[id->i_filter], p_stream );
1832
1833                 id->pp_filter[id->i_filter]->pf_vout_buffer_new =
1834                     video_new_buffer_filter;
1835                 id->pp_filter[id->i_filter]->pf_vout_buffer_del =
1836                     video_del_buffer_filter;
1837
1838                 id->pp_filter[id->i_filter]->fmt_in = id->p_decoder->fmt_out;
1839                 id->pp_filter[id->i_filter]->fmt_out = id->p_encoder->fmt_in;
1840                 id->pp_filter[id->i_filter]->p_cfg = NULL;
1841                 id->pp_filter[id->i_filter]->p_module =
1842                     module_Need( id->pp_filter[id->i_filter],
1843                                  "video filter2", 0, 0 );
1844                 if( id->pp_filter[id->i_filter]->p_module )
1845                 {
1846                     id->pp_filter[id->i_filter]->p_owner =
1847                         malloc( sizeof(filter_owner_sys_t) );
1848                     for( i = 0; i < PICTURE_RING_SIZE; i++ )
1849                         id->pp_filter[id->i_filter]->p_owner->pp_pics[i] = 0;
1850                     id->pp_filter[id->i_filter]->p_owner->p_sys = p_sys;
1851
1852                     id->i_filter++;
1853                 }
1854                 else
1855                 {
1856                     msg_Dbg( p_stream, "no video filter found" );
1857                     vlc_object_detach( id->pp_filter[id->i_filter] );
1858                     vlc_object_destroy( id->pp_filter[id->i_filter] );
1859
1860                     p_pic->pf_release( p_pic );
1861                     transcode_video_close( p_stream, id );
1862                     id->b_transcode = VLC_FALSE;
1863                     return VLC_EGENERIC;
1864                 }
1865             }
1866
1867             for( i = 0; i < p_sys->i_vfilters; i++ )
1868             {
1869                 id->pp_vfilter[id->i_vfilter] =
1870                     vlc_object_create( p_stream, VLC_OBJECT_FILTER );
1871                 vlc_object_attach( id->pp_vfilter[id->i_vfilter], p_stream );
1872
1873                 id->pp_vfilter[id->i_vfilter]->pf_vout_buffer_new =
1874                     video_new_buffer_filter;
1875                 id->pp_vfilter[id->i_vfilter]->pf_vout_buffer_del =
1876                     video_del_buffer_filter;
1877
1878                 id->pp_vfilter[id->i_vfilter]->fmt_in = id->p_encoder->fmt_in;
1879                 id->pp_vfilter[id->i_vfilter]->fmt_out = id->p_encoder->fmt_in;
1880                 id->pp_vfilter[id->i_vfilter]->p_cfg = p_sys->p_vfilters_cfg[i];
1881                 id->pp_vfilter[id->i_vfilter]->p_module =
1882                     module_Need( id->pp_vfilter[id->i_vfilter],
1883                           "video filter2", p_sys->psz_vfilters[i], 0 );
1884                 if( id->pp_vfilter[id->i_vfilter]->p_module )
1885                 {
1886                     id->pp_vfilter[id->i_vfilter]->p_owner =
1887                         malloc( sizeof(filter_owner_sys_t) );
1888                     for( i = 0; i < PICTURE_RING_SIZE; i++ )
1889                         id->pp_vfilter[id->i_vfilter]->p_owner->pp_pics[i] = 0;
1890                     id->pp_vfilter[id->i_vfilter]->p_owner->p_sys = p_sys;
1891
1892                     id->i_vfilter++;
1893                 }
1894                 else
1895                 {
1896                     msg_Dbg( p_stream, "no video filter found" );
1897                     vlc_object_detach( id->pp_vfilter[id->i_vfilter] );
1898                     vlc_object_destroy( id->pp_vfilter[id->i_vfilter] );
1899                 }
1900             }
1901         }
1902
1903         /* Run filter chain */
1904         for( i = 0; i < id->i_filter; i++ )
1905         {
1906             p_pic = id->pp_filter[i]->pf_video_filter(id->pp_filter[i], p_pic);
1907         }
1908
1909         /*
1910          * Encoding
1911          */
1912
1913         /* Check if we have a subpicture to overlay */
1914         if( p_sys->p_spu )
1915         {
1916             p_subpic = spu_SortSubpictures( p_sys->p_spu, p_pic->date );
1917             /* TODO: get another pic */
1918         }
1919
1920         /* Overlay subpicture */
1921         if( p_subpic )
1922         {
1923             int i_scale_width, i_scale_height;
1924             video_format_t *p_fmt;
1925
1926             i_scale_width = id->p_encoder->fmt_in.video.i_width * 1000 /
1927                 id->p_decoder->fmt_out.video.i_width;
1928             i_scale_height = id->p_encoder->fmt_in.video.i_height * 1000 /
1929                 id->p_decoder->fmt_out.video.i_height;
1930
1931             if( p_pic->i_refcount && !id->i_filter )
1932             {
1933                 /* We can't modify the picture, we need to duplicate it */
1934                 picture_t *p_tmp = video_new_buffer_decoder( id->p_decoder );
1935                 if( p_tmp )
1936                 {
1937                     vout_CopyPicture( p_stream, p_tmp, p_pic );
1938                     p_pic->pf_release( p_pic );
1939                     p_pic = p_tmp;
1940                 }
1941             }
1942
1943             if( id->i_filter )
1944                 p_fmt = &id->pp_filter[id->i_filter -1]->fmt_out.video;
1945             else
1946                 p_fmt = &id->p_decoder->fmt_out.video;
1947
1948             /* FIXME (shouldn't have to be done here) */
1949             p_fmt->i_sar_num = p_fmt->i_aspect *
1950                 p_fmt->i_height / p_fmt->i_width;
1951             p_fmt->i_sar_den = VOUT_ASPECT_FACTOR;
1952
1953             spu_RenderSubpictures( p_sys->p_spu, p_fmt, p_pic, p_pic, p_subpic,
1954                                    i_scale_width, i_scale_height );
1955         }
1956
1957         /* Run vfilter chain */
1958         for( i = 0; i < id->i_vfilter; i++ )
1959         {
1960             p_pic = id->pp_vfilter[i]->pf_video_filter(id->pp_vfilter[i], p_pic);
1961         }
1962
1963         if( p_sys->i_threads == 0 )
1964         {
1965             block_t *p_block;
1966             p_block = id->p_encoder->pf_encode_video( id->p_encoder, p_pic );
1967             block_ChainAppend( out, p_block );
1968         }
1969
1970         if( p_sys->b_master_sync )
1971         {
1972             mtime_t i_pts = date_Get( &id->interpolated_pts ) + 1;
1973             if ( p_pic->date - i_pts > MASTER_SYNC_MAX_DRIFT
1974                   || p_pic->date - i_pts < -MASTER_SYNC_MAX_DRIFT )
1975             {
1976                 msg_Dbg( p_stream, "drift is too high, resetting master sync" );
1977                 date_Set( &id->interpolated_pts, p_pic->date );
1978                 i_pts = p_pic->date + 1;
1979             }
1980             date_Increment( &id->interpolated_pts, 1 );
1981         }
1982
1983         if( p_sys->b_master_sync && i_duplicate > 1 )
1984         {
1985             mtime_t i_pts = date_Get( &id->interpolated_pts ) + 1;
1986             if ( p_pic->date - i_pts > MASTER_SYNC_MAX_DRIFT
1987                   || p_pic->date - i_pts < -MASTER_SYNC_MAX_DRIFT )
1988             {
1989                 msg_Dbg( p_stream, "drift is too high, resetting master sync" );
1990                 date_Set( &id->interpolated_pts, p_pic->date );
1991                 i_pts = p_pic->date + 1;
1992             }
1993             date_Increment( &id->interpolated_pts, 1 );
1994
1995             if( p_sys->i_threads >= 1 )
1996             {
1997                 /* We can't modify the picture, we need to duplicate it */
1998                 p_pic2 = video_new_buffer_decoder( id->p_decoder );
1999                 if( p_pic2 != NULL )
2000                 {
2001                     vout_CopyPicture( p_stream, p_pic2, p_pic );
2002                     p_pic2->date = i_pts;
2003                 }
2004             }
2005             else
2006             {
2007                 block_t *p_block;
2008                 p_pic->date = i_pts;
2009                 p_block = id->p_encoder->pf_encode_video(id->p_encoder, p_pic);
2010                 block_ChainAppend( out, p_block );
2011             }
2012         }
2013
2014         if( p_sys->i_threads == 0 )
2015         {
2016             p_pic->pf_release( p_pic );
2017         }
2018         else
2019         {
2020             vlc_mutex_lock( &p_sys->lock_out );
2021             p_sys->pp_pics[p_sys->i_last_pic++] = p_pic;
2022             p_sys->i_last_pic %= PICTURE_RING_SIZE;
2023             *out = p_sys->p_buffers;
2024             p_sys->p_buffers = NULL;
2025             if( p_pic2 != NULL )
2026             {
2027                 p_sys->pp_pics[p_sys->i_last_pic++] = p_pic2;
2028                 p_sys->i_last_pic %= PICTURE_RING_SIZE;
2029             }
2030             vlc_cond_signal( &p_sys->cond );
2031             vlc_mutex_unlock( &p_sys->lock_out );
2032         }
2033
2034     }
2035
2036     return VLC_SUCCESS;
2037 }
2038
2039 static int EncoderThread( sout_stream_sys_t *p_sys )
2040 {
2041     sout_stream_id_t *id = p_sys->id_video;
2042     picture_t *p_pic;
2043
2044     while( !p_sys->b_die && !p_sys->b_error )
2045     {
2046         block_t *p_block;
2047
2048         vlc_mutex_lock( &p_sys->lock_out );
2049         while( p_sys->i_last_pic == p_sys->i_first_pic )
2050         {
2051             vlc_cond_wait( &p_sys->cond, &p_sys->lock_out );
2052             if( p_sys->b_die || p_sys->b_error ) break;
2053         }
2054         if( p_sys->b_die || p_sys->b_error )
2055         {
2056             vlc_mutex_unlock( &p_sys->lock_out );
2057             break;
2058         }
2059
2060         p_pic = p_sys->pp_pics[p_sys->i_first_pic++];
2061         p_sys->i_first_pic %= PICTURE_RING_SIZE;
2062         vlc_mutex_unlock( &p_sys->lock_out );
2063
2064         p_block = id->p_encoder->pf_encode_video( id->p_encoder, p_pic );
2065         vlc_mutex_lock( &p_sys->lock_out );
2066         block_ChainAppend( &p_sys->p_buffers, p_block );
2067
2068         vlc_mutex_unlock( &p_sys->lock_out );
2069
2070         p_pic->pf_release( p_pic );
2071     }
2072
2073     while( p_sys->i_last_pic != p_sys->i_first_pic )
2074     {
2075         p_pic = p_sys->pp_pics[p_sys->i_first_pic++];
2076         p_sys->i_first_pic %= PICTURE_RING_SIZE;
2077
2078         p_pic->pf_release( p_pic );
2079     }
2080
2081     block_ChainRelease( p_sys->p_buffers );
2082
2083     return 0;
2084 }
2085
2086 struct picture_sys_t
2087 {
2088     vlc_object_t *p_owner;
2089 };
2090
2091 static void video_release_buffer( picture_t *p_pic )
2092 {
2093     if( p_pic && !p_pic->i_refcount && p_pic->pf_release && p_pic->p_sys )
2094     {
2095         video_del_buffer_decoder( (decoder_t *)p_pic->p_sys->p_owner, p_pic );
2096     }
2097     else if( p_pic && p_pic->i_refcount > 0 ) p_pic->i_refcount--;
2098 }
2099
2100 static picture_t *video_new_buffer( vlc_object_t *p_this, picture_t **pp_ring,
2101                                     sout_stream_sys_t *p_sys )
2102 {
2103     decoder_t *p_dec = (decoder_t *)p_this;
2104     picture_t *p_pic;
2105     int i;
2106
2107     /* Find an empty space in the picture ring buffer */
2108     for( i = 0; i < PICTURE_RING_SIZE; i++ )
2109     {
2110         if( pp_ring[i] != 0 && pp_ring[i]->i_status == DESTROYED_PICTURE )
2111         {
2112             pp_ring[i]->i_status = RESERVED_PICTURE;
2113             return pp_ring[i];
2114         }
2115     }
2116     for( i = 0; i < PICTURE_RING_SIZE; i++ )
2117     {
2118         if( pp_ring[i] == 0 ) break;
2119     }
2120
2121     if( i == PICTURE_RING_SIZE && p_sys->i_threads >= 1 )
2122     {
2123         int i_first_pic = p_sys->i_first_pic;
2124
2125         if( p_sys->i_first_pic != p_sys->i_last_pic )
2126         {
2127             /* Encoder still has stuff to encode, wait to clear-up the list */
2128             while( p_sys->i_first_pic == i_first_pic )
2129                 msleep( 100000 );
2130         }
2131
2132         /* Find an empty space in the picture ring buffer */
2133         for( i = 0; i < PICTURE_RING_SIZE; i++ )
2134         {
2135             if( pp_ring[i] != 0 && pp_ring[i]->i_status == DESTROYED_PICTURE )
2136             {
2137                 pp_ring[i]->i_status = RESERVED_PICTURE;
2138                 return pp_ring[i];
2139             }
2140         }
2141         for( i = 0; i < PICTURE_RING_SIZE; i++ )
2142         {
2143             if( pp_ring[i] == 0 ) break;
2144         }
2145     }
2146
2147     if( i == PICTURE_RING_SIZE )
2148     {
2149         msg_Err( p_this, "decoder/filter is leaking pictures, "
2150                  "resetting its ring buffer" );
2151
2152         for( i = 0; i < PICTURE_RING_SIZE; i++ )
2153         {
2154             pp_ring[i]->pf_release( pp_ring[i] );
2155         }
2156
2157         i = 0;
2158     }
2159
2160     p_pic = malloc( sizeof(picture_t) );
2161     p_dec->fmt_out.video.i_chroma = p_dec->fmt_out.i_codec;
2162     vout_AllocatePicture( VLC_OBJECT(p_dec), p_pic,
2163                           p_dec->fmt_out.video.i_chroma,
2164                           p_dec->fmt_out.video.i_width,
2165                           p_dec->fmt_out.video.i_height,
2166                           p_dec->fmt_out.video.i_aspect );
2167
2168     if( !p_pic->i_planes )
2169     {
2170         free( p_pic );
2171         return 0;
2172     }
2173
2174     p_pic->pf_release = video_release_buffer;
2175     p_pic->p_sys = malloc( sizeof(picture_sys_t) );
2176     p_pic->p_sys->p_owner = p_this;
2177     p_pic->i_status = RESERVED_PICTURE;
2178
2179     pp_ring[i] = p_pic;
2180
2181     return p_pic;
2182 }
2183
2184 static picture_t *video_new_buffer_decoder( decoder_t *p_dec )
2185 {
2186     return video_new_buffer( VLC_OBJECT(p_dec),
2187                              p_dec->p_owner->pp_pics, p_dec->p_owner->p_sys );
2188 }
2189
2190 static picture_t *video_new_buffer_filter( filter_t *p_filter )
2191 {
2192     return video_new_buffer( VLC_OBJECT(p_filter),
2193                              p_filter->p_owner->pp_pics,
2194                              p_filter->p_owner->p_sys );
2195 }
2196
2197 static void video_del_buffer( vlc_object_t *p_this, picture_t *p_pic )
2198 {
2199     if( p_pic && p_pic->p_data_orig ) free( p_pic->p_data_orig );
2200     if( p_pic && p_pic->p_sys ) free( p_pic->p_sys );
2201     if( p_pic ) free( p_pic );
2202 }
2203
2204 static void video_del_buffer_decoder( decoder_t *p_decoder, picture_t *p_pic )
2205 {
2206     p_pic->i_refcount = 0;
2207     p_pic->i_status = DESTROYED_PICTURE;
2208 }
2209
2210 static void video_del_buffer_filter( filter_t *p_filter, picture_t *p_pic )
2211 {
2212     p_pic->i_refcount = 0;
2213     p_pic->i_status = DESTROYED_PICTURE;
2214 }
2215
2216 static void video_link_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
2217 {
2218     p_pic->i_refcount++;
2219 }
2220
2221 static void video_unlink_picture_decoder( decoder_t *p_dec, picture_t *p_pic )
2222 {
2223     video_release_buffer( p_pic );
2224 }
2225
2226 /*
2227  * SPU
2228  */
2229 static subpicture_t *spu_new_buffer( decoder_t * );
2230 static void spu_del_buffer( decoder_t *, subpicture_t * );
2231
2232 static int transcode_spu_new( sout_stream_t *p_stream, sout_stream_id_t *id )
2233 {
2234     sout_stream_sys_t *p_sys = p_stream->p_sys;
2235
2236     /*
2237      * Open decoder
2238      */
2239
2240     /* Initialization of decoder structures */
2241     id->p_decoder->pf_spu_buffer_new = spu_new_buffer;
2242     id->p_decoder->pf_spu_buffer_del = spu_del_buffer;
2243     id->p_decoder->p_owner = (decoder_owner_sys_t *)p_stream;
2244     /* id->p_decoder->p_cfg = p_sys->p_spu_cfg; */
2245
2246     id->p_decoder->p_module =
2247         module_Need( id->p_decoder, "decoder", "$codec", 0 );
2248
2249     if( !id->p_decoder->p_module )
2250     {
2251         msg_Err( p_stream, "cannot find decoder" );
2252         return VLC_EGENERIC;
2253     }
2254
2255     if( !p_sys->b_soverlay )
2256     {
2257         /*
2258          * Open encoder
2259          */
2260
2261         /* Initialization of encoder format structures */
2262         es_format_Init( &id->p_encoder->fmt_in, id->p_decoder->fmt_in.i_cat,
2263                         id->p_decoder->fmt_in.i_codec );
2264
2265         id->p_encoder->p_cfg = p_sys->p_spu_cfg;
2266
2267         id->p_encoder->p_module =
2268             module_Need( id->p_encoder, "encoder", p_sys->psz_senc, VLC_TRUE );
2269
2270         if( !id->p_encoder->p_module )
2271         {
2272             module_Unneed( id->p_decoder, id->p_decoder->p_module );
2273             msg_Err( p_stream, "cannot find encoder" );
2274             return VLC_EGENERIC;
2275         }
2276     }
2277
2278     if( !p_sys->p_spu )
2279     {
2280         p_sys->p_spu = spu_Create( p_stream );
2281         spu_Init( p_sys->p_spu );
2282     }
2283
2284     return VLC_SUCCESS;
2285 }
2286
2287 static void transcode_spu_close( sout_stream_t *p_stream, sout_stream_id_t *id)
2288 {
2289     /* Close decoder */
2290     if( id->p_decoder->p_module )
2291         module_Unneed( id->p_decoder, id->p_decoder->p_module );
2292
2293     /* Close encoder */
2294     if( id->p_encoder->p_module )
2295         module_Unneed( id->p_encoder, id->p_encoder->p_module );
2296 }
2297
2298 static int transcode_spu_process( sout_stream_t *p_stream,
2299                                   sout_stream_id_t *id,
2300                                   block_t *in, block_t **out )
2301 {
2302     sout_stream_sys_t *p_sys = p_stream->p_sys;
2303     subpicture_t *p_subpic;
2304     *out = NULL;
2305
2306     p_subpic = id->p_decoder->pf_decode_sub( id->p_decoder, &in );
2307     if( !p_subpic ) return VLC_EGENERIC;
2308
2309     if( p_sys->b_master_sync && p_sys->i_master_drift )
2310     {
2311         p_subpic->i_start -= p_sys->i_master_drift;
2312         if( p_subpic->i_stop ) p_subpic->i_stop -= p_sys->i_master_drift;
2313     }
2314
2315     if( p_sys->b_soverlay )
2316     {
2317         spu_DisplaySubpicture( p_sys->p_spu, p_subpic );
2318     }
2319     else
2320     {
2321         block_t *p_block;
2322
2323         p_block = id->p_encoder->pf_encode_sub( id->p_encoder, p_subpic );
2324         spu_del_buffer( id->p_decoder, p_subpic );
2325
2326         if( p_block )
2327         {
2328             block_ChainAppend( out, p_block );
2329             return VLC_SUCCESS;
2330         }
2331     }
2332
2333     return VLC_EGENERIC;
2334 }
2335
2336 static subpicture_t *spu_new_buffer( decoder_t *p_dec )
2337 {
2338     sout_stream_t *p_stream = (sout_stream_t *)p_dec->p_owner;
2339     return spu_CreateSubpicture( p_stream->p_sys->p_spu );
2340 }
2341
2342 static void spu_del_buffer( decoder_t *p_dec, subpicture_t *p_subpic )
2343 {
2344     sout_stream_t *p_stream = (sout_stream_t *)p_dec->p_owner;
2345     spu_DestroySubpicture( p_stream->p_sys->p_spu, p_subpic );
2346 }
2347
2348 /*
2349  * OSD menu
2350  */
2351 static int transcode_osd_new( sout_stream_t *p_stream, sout_stream_id_t *id )
2352 {
2353     sout_stream_sys_t *p_sys = p_stream->p_sys;
2354     es_format_t fmt;
2355
2356     fmt.i_cat = SPU_ES;
2357     fmt.i_id = 0xbd1f; /* pid ?? */
2358     fmt.i_group = 3;   /* pmt entry ?? */
2359     fmt.i_codec = VLC_FOURCC( 'Y', 'U', 'V', 'A' );
2360     fmt.psz_language = strdup( "osd" );
2361
2362     id = malloc( sizeof( sout_stream_id_t ) );
2363     memset( id, 0, sizeof(sout_stream_id_t) );
2364
2365     id->id = NULL;
2366     id->p_decoder = NULL;
2367     id->p_encoder = NULL;
2368
2369     /* Create encoder object */
2370     id->p_encoder = vlc_object_create( p_stream, VLC_OBJECT_ENCODER );
2371     if( !id->p_encoder )
2372     {
2373         msg_Err( p_stream, "out of memory" );
2374         goto error;
2375     }
2376     vlc_object_attach( id->p_encoder, p_stream );
2377     id->p_encoder->p_module = NULL;
2378
2379     /* Create fake destination format */
2380     es_format_Init( &id->p_encoder->fmt_out, fmt.i_cat, 0 );
2381     id->p_encoder->fmt_out.i_id    = fmt.i_id;
2382     id->p_encoder->fmt_out.i_group = fmt.i_group;
2383     id->p_encoder->fmt_out.psz_language = strdup( fmt.psz_language );
2384
2385     if( p_sys->i_osdcodec != 0 || p_sys->psz_osdenc )
2386     {
2387         msg_Dbg( p_stream, "creating osdmenu transcoding from fcc=`%4.4s' "
2388                  "to fcc=`%4.4s'", (char*)&fmt.i_codec,
2389                  (char*)&p_sys->i_osdcodec );
2390
2391         /* Complete destination format */
2392         id->p_encoder->fmt_out.i_codec = p_sys->i_osdcodec;
2393
2394         /*
2395          * Open encoder
2396          */
2397
2398         /* Initialization of encoder format structures */
2399         es_format_Init( &id->p_encoder->fmt_in, fmt.i_cat, fmt.i_codec );
2400         id->p_encoder->fmt_in.psz_language = strdup( fmt.psz_language );
2401
2402         id->p_encoder->p_cfg = p_sys->p_osd_cfg;
2403
2404         id->p_encoder->p_module =
2405             module_Need( id->p_encoder, "encoder", p_sys->psz_osdenc, VLC_TRUE );
2406
2407         if( !id->p_encoder->p_module )
2408         {
2409             msg_Err( p_stream, "cannot find encoder" );
2410             goto error;
2411         }
2412
2413         /* open output stream */
2414         id->id = p_sys->p_out->pf_add( p_sys->p_out, &id->p_encoder->fmt_out );
2415         id->b_transcode = VLC_TRUE;
2416
2417         if( !id->id ) goto error;
2418     }
2419     else
2420     {
2421         msg_Dbg( p_stream, "not transcoding a stream (fcc=`%4.4s')",
2422                  (char*)&fmt.i_codec );
2423         id->id = p_sys->p_out->pf_add( p_sys->p_out, &fmt );
2424         id->b_transcode = VLC_FALSE;
2425
2426         if( !id->id ) goto error;
2427     }
2428
2429     p_sys->id_osd = id;
2430     p_sys->b_es_osd = VLC_TRUE;
2431
2432     if( !p_sys->p_spu )
2433     {
2434         p_sys->p_spu = spu_Create( p_stream );
2435         if( spu_Init( p_sys->p_spu ) != VLC_SUCCESS )
2436             msg_Err( p_sys, "spu initialisation failed" );
2437     }
2438
2439     if( fmt.psz_language )
2440         free( fmt.psz_language );
2441
2442     return VLC_SUCCESS;
2443
2444  error:
2445     msg_Err( p_stream, "starting osd encoding thread failed" );
2446     if( id->p_encoder->p_module )
2447             module_Unneed( id->p_encoder, id->p_encoder->p_module );
2448     if( id->p_encoder )
2449     {
2450         vlc_object_detach( id->p_encoder );
2451         vlc_object_destroy( id->p_encoder );
2452     }
2453     if( fmt.psz_language ) free( fmt.psz_language );
2454     if( id ) free( id );
2455     p_sys->id_osd = NULL;
2456     p_sys->b_es_osd = VLC_FALSE;
2457     return VLC_EGENERIC;
2458 }
2459
2460 static void transcode_osd_close( sout_stream_t *p_stream, sout_stream_id_t *id)
2461 {
2462     sout_stream_sys_t *p_sys = p_stream->p_sys;
2463
2464     /* Close encoder */
2465     if( p_sys->b_es_osd && id )
2466     {
2467         if( id->p_encoder->p_module )
2468             module_Unneed( id->p_encoder, id->p_encoder->p_module );
2469
2470         if( id->id ) p_sys->p_out->pf_del( p_sys->p_out, id->id );
2471
2472         if( id->p_encoder )
2473         {
2474             vlc_object_detach( id->p_encoder );
2475             vlc_object_destroy( id->p_encoder );
2476         }
2477     }
2478     p_sys->b_es_osd = VLC_FALSE;
2479     if( id ) free( id );
2480 }
2481
2482 static int transcode_osd_process( sout_stream_t *p_stream,
2483                                   sout_stream_id_t *id,
2484                                   block_t *in, block_t **out )
2485 {
2486     sout_stream_sys_t *p_sys = p_stream->p_sys;
2487     subpicture_t *p_subpic = NULL;
2488
2489     /* Check if we have a subpicture to send */
2490     if( p_sys->p_spu && in->i_dts > 0)
2491     {
2492         p_subpic = spu_SortSubpictures( p_sys->p_spu, in->i_dts );
2493     }
2494     else
2495     {
2496         msg_Warn( p_stream, "spu channel not initialized, doing it now" );
2497         if( !p_sys->p_spu )
2498         {
2499             p_sys->p_spu = spu_Create( p_stream );
2500             if( spu_Init( p_sys->p_spu ) != VLC_SUCCESS )
2501                 msg_Err( p_stream, "spu initialisation failed" );
2502         }
2503     }
2504
2505     if( p_subpic )
2506     {
2507         block_t *p_block = NULL;
2508
2509         if( p_sys->b_master_sync && p_sys->i_master_drift )
2510         {
2511             p_subpic->i_start -= p_sys->i_master_drift;
2512             if( p_subpic->i_stop ) p_subpic->i_stop -= p_sys->i_master_drift;
2513         }
2514
2515         p_block = p_sys->id_osd->p_encoder->pf_encode_sub( p_sys->id_osd->p_encoder, p_subpic );
2516         if( p_block )
2517         {
2518             p_block->i_dts = p_block->i_pts = in->i_dts;
2519             block_ChainAppend( out, p_block );
2520             if( *out )
2521             {
2522                 if( p_sys->p_out->pf_send( p_sys->p_out, p_sys->id_osd->id, *out ) == VLC_SUCCESS )
2523                     spu_DestroySubpicture( p_sys->p_spu, p_subpic );
2524             }
2525             return VLC_SUCCESS;
2526         }
2527     }
2528     return VLC_EGENERIC;
2529 }