git.sesse.net Git - vlc/blob - modules/access/dshow/dshow.cpp

   1 /*****************************************************************************
   2  * dshow.cpp : DirectShow access module for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2002, 2003 the VideoLAN team
   5  * $Id$
   6  *
   7  * Author: Gildas Bazin <gbazin@videolan.org>
   8  *         Damien Fouilleul <damienf@videolan.org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28
  29 #ifdef HAVE_CONFIG_H
  30 # include "config.h"
  31 #endif
  32
  33 #define __STDC_FORMAT_MACROS 1
  34 #include <inttypes.h>
  35
  36 #include <vlc_common.h>
  37 #include <vlc_plugin.h>
  38 #include <vlc_input.h>
  39 #include <vlc_access.h>
  40 #include <vlc_demux.h>
  41 #include <vlc_vout.h>
  42 #include <vlc_interface.h>
  43
  44 #include "common.h"
  45 #include "filter.h"
  46
  47 /*****************************************************************************
  48  * Access: local prototypes
  49  *****************************************************************************/
  50 static block_t *ReadCompressed( access_t * );
  51 static int AccessControl ( access_t *, int, va_list );
  52
  53 static int Demux       ( demux_t * );
  54 static int DemuxControl( demux_t *, int, va_list );
  55
  56 static int OpenDevice( vlc_object_t *, access_sys_t *, string, bool );
  57 static IBaseFilter *FindCaptureDevice( vlc_object_t *, string *,
  58                                        list<string> *, bool );
  59 static size_t EnumDeviceCaps( vlc_object_t *, IBaseFilter *,
  60                               int, int, int, int, int, int,
  61                               AM_MEDIA_TYPE *mt, size_t );
  62 static bool ConnectFilters( vlc_object_t *, access_sys_t *,
  63                             IBaseFilter *, CaptureFilter * );
  64 static int FindDevicesCallback( vlc_object_t *, char const *,
  65                                 vlc_value_t, vlc_value_t, void * );
  66 static int ConfigDevicesCallback( vlc_object_t *, char const *,
  67                                   vlc_value_t, vlc_value_t, void * );
  68
  69 static void ShowPropertyPage( IUnknown * );
  70 static void ShowDeviceProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
  71                                   IBaseFilter *, bool );
  72 static void ShowTunerProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
  73                                  IBaseFilter *, bool );
  74 static void ConfigTuner( vlc_object_t *, ICaptureGraphBuilder2 *,
  75                          IBaseFilter * );
  76
  77 /*****************************************************************************
  78  * Module descriptor
  79  *****************************************************************************/
  80 static const char *const ppsz_vdev[] = { "", "none" };
  81 static const char *const ppsz_vdev_text[] = { N_("Default"), N_("None") };
  82 static const char *const ppsz_adev[] = { "", "none" };
  83 static const char *const ppsz_adev_text[] = { N_("Default"), N_("None") };
  84 static const int pi_tuner_input[] = { 0, 1, 2 };
  85 static const char *const ppsz_tuner_input_text[] =
  86     {N_("Default"), N_("Cable"), N_("Antenna")};
  87 static const int pi_amtuner_mode[]  = { AMTUNER_MODE_DEFAULT,
  88                                  AMTUNER_MODE_TV,
  89                                  AMTUNER_MODE_FM_RADIO,
  90                                  AMTUNER_MODE_AM_RADIO,
  91                                  AMTUNER_MODE_DSS };
  92 static const char *const ppsz_amtuner_mode_text[] = { N_("Default"),
  93                                           N_("TV"),
  94                                           N_("FM radio"),
  95                                           N_("AM radio"),
  96                                           N_("DSS") };
  97
  98 #define CACHING_TEXT N_("Caching value in ms")
  99 #define CACHING_LONGTEXT N_( \
 100     "Caching value for DirectShow streams. " \
 101     "This value should be set in milliseconds." )
 102 #define VDEV_TEXT N_("Video device name")
 103 #define VDEV_LONGTEXT N_( \
 104     "Name of the video device that will be used by the " \
 105     "DirectShow plugin. If you don't specify anything, the default device " \
 106     "will be used.")
 107 #define ADEV_TEXT N_("Audio device name")
 108 #define ADEV_LONGTEXT N_( \
 109     "Name of the audio device that will be used by the " \
 110     "DirectShow plugin. If you don't specify anything, the default device " \
 111     "will be used. ")
 112 #define SIZE_TEXT N_("Video size")
 113 #define SIZE_LONGTEXT N_( \
 114     "Size of the video that will be displayed by the " \
 115     "DirectShow plugin. If you don't specify anything the default size for " \
 116     "your device will be used. You can specify a standard size (cif, d1, ...) or <width>x<height>.")
 117 #define CHROMA_TEXT N_("Video input chroma format")
 118 #define CHROMA_LONGTEXT N_( \
 119     "Force the DirectShow video input to use a specific chroma format " \
 120     "(eg. I420 (default), RV24, etc.)")
 121 #define FPS_TEXT N_("Video input frame rate")
 122 #define FPS_LONGTEXT N_( \
 123     "Force the DirectShow video input to use a specific frame rate" \
 124     "(eg. 0 means default, 25, 29.97, 50, 59.94, etc.)")
 125 #define CONFIG_TEXT N_("Device properties")
 126 #define CONFIG_LONGTEXT N_( \
 127     "Show the properties dialog of the selected device before starting the " \
 128     "stream.")
 129 #define TUNER_TEXT N_("Tuner properties")
 130 #define TUNER_LONGTEXT N_( \
 131     "Show the tuner properties [channel selection] page." )
 132 #define CHANNEL_TEXT N_("Tuner TV Channel")
 133 #define CHANNEL_LONGTEXT N_( \
 134     "Set the TV channel the tuner will set to " \
 135     "(0 means default)." )
 136 #define COUNTRY_TEXT N_("Tuner country code")
 137 #define COUNTRY_LONGTEXT N_( \
 138     "Set the tuner country code that establishes the current " \
 139     "channel-to-frequency mapping (0 means default)." )
 140 #define TUNER_INPUT_TEXT N_("Tuner input type")
 141 #define TUNER_INPUT_LONGTEXT N_( \
 142     "Select the tuner input type (Cable/Antenna)." )
 143 #define VIDEO_IN_TEXT N_("Video input pin")
 144 #define VIDEO_IN_LONGTEXT N_( \
 145   "Select the video input source, such as composite, s-video, " \
 146   "or tuner. Since these settings are hardware-specific, you should find good " \
 147   "settings in the \"Device config\" area, and use those numbers here. -1 " \
 148   "means that settings will not be changed.")
 149 #define AUDIO_IN_TEXT N_("Audio input pin")
 150 #define AUDIO_IN_LONGTEXT N_( \
 151   "Select the audio input source. See the \"video input\" option." )
 152 #define VIDEO_OUT_TEXT N_("Video output pin")
 153 #define VIDEO_OUT_LONGTEXT N_( \
 154   "Select the video output type. See the \"video input\" option." )
 155 #define AUDIO_OUT_TEXT N_("Audio output pin")
 156 #define AUDIO_OUT_LONGTEXT N_( \
 157   "Select the audio output type. See the \"video input\" option." )
 158
 159 #define AMTUNER_MODE_TEXT N_("AM Tuner mode")
 160 #define AMTUNER_MODE_LONGTEXT N_( \
 161     "AM Tuner mode. Can be one of Default (0), TV (1)," \
 162      "AM Radio (2), FM Radio (3) or DSS (4).")
 163
 164 #define AUDIO_CHANNELS_TEXT N_("Number of audio channels")
 165 #define AUDIO_CHANNELS_LONGTEXT N_( \
 166     "Select audio input format with the given number of audio channels (if non 0)" )
 167
 168 #define AUDIO_SAMPLERATE_TEXT N_("Audio sample rate")
 169 #define AUDIO_SAMPLERATE_LONGTEXT N_( \
 170     "Select audio input format with the given sample rate (if non 0)" )
 171
 172 #define AUDIO_BITSPERSAMPLE_TEXT N_("Audio bits per sample")
 173 #define AUDIO_BITSPERSAMPLE_LONGTEXT N_( \
 174     "Select audio input format with the given bits/sample (if non 0)" )
 175
 176 static int  CommonOpen ( vlc_object_t *, access_sys_t *, bool );
 177 static void CommonClose( vlc_object_t *, access_sys_t * );
 178
 179 static int  AccessOpen ( vlc_object_t * );
 180 static void AccessClose( vlc_object_t * );
 181
 182 static int  DemuxOpen  ( vlc_object_t * );
 183 static void DemuxClose ( vlc_object_t * );
 184
 185 vlc_module_begin();
 186     set_shortname( N_("DirectShow") );
 187     set_description( N_("DirectShow input") );
 188     set_category( CAT_INPUT );
 189     set_subcategory( SUBCAT_INPUT_ACCESS );
 190     add_integer( "dshow-caching", (mtime_t)(0.2*CLOCK_FREQ) / 1000, NULL,
 191                  CACHING_TEXT, CACHING_LONGTEXT, true );
 192
 193     add_string( "dshow-vdev", NULL, NULL, VDEV_TEXT, VDEV_LONGTEXT, false);
 194         change_string_list( ppsz_vdev, ppsz_vdev_text, FindDevicesCallback );
 195         change_action_add( FindDevicesCallback, N_("Refresh list") );
 196         change_action_add( ConfigDevicesCallback, N_("Configure") );
 197
 198     add_string( "dshow-adev", NULL, NULL, ADEV_TEXT, ADEV_LONGTEXT, false);
 199         change_string_list( ppsz_adev, ppsz_adev_text, FindDevicesCallback );
 200         change_action_add( FindDevicesCallback, N_("Refresh list") );
 201         change_action_add( ConfigDevicesCallback, N_("Configure") );
 202
 203     add_string( "dshow-size", NULL, NULL, SIZE_TEXT, SIZE_LONGTEXT, false);
 204
 205     add_string( "dshow-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT,
 206                 true );
 207
 208     add_float( "dshow-fps", 0.0f, NULL, FPS_TEXT, FPS_LONGTEXT,
 209                 true );
 210
 211     add_bool( "dshow-config", false, NULL, CONFIG_TEXT, CONFIG_LONGTEXT,
 212               true );
 213
 214     add_bool( "dshow-tuner", false, NULL, TUNER_TEXT, TUNER_LONGTEXT,
 215               true );
 216
 217     add_integer( "dshow-tuner-channel", 0, NULL, CHANNEL_TEXT,
 218                  CHANNEL_LONGTEXT, true );
 219
 220     add_integer( "dshow-tuner-country", 0, NULL, COUNTRY_TEXT,
 221                  COUNTRY_LONGTEXT, true );
 222
 223     add_integer( "dshow-tuner-input", 0, NULL, TUNER_INPUT_TEXT,
 224                  TUNER_INPUT_LONGTEXT, true );
 225         change_integer_list( pi_tuner_input, ppsz_tuner_input_text, NULL );
 226
 227     add_integer( "dshow-video-input",  -1, NULL, VIDEO_IN_TEXT,
 228                  VIDEO_IN_LONGTEXT, true );
 229
 230     add_integer( "dshow-audio-input",  -1, NULL, AUDIO_IN_TEXT,
 231                  AUDIO_IN_LONGTEXT, true );
 232
 233     add_integer( "dshow-video-output", -1, NULL, VIDEO_OUT_TEXT,
 234                  VIDEO_OUT_LONGTEXT, true );
 235
 236     add_integer( "dshow-audio-output", -1, NULL, AUDIO_OUT_TEXT,
 237                  AUDIO_OUT_LONGTEXT, true );
 238
 239     add_integer( "dshow-amtuner-mode", AMTUNER_MODE_TV, NULL,
 240                 AMTUNER_MODE_TEXT, AMTUNER_MODE_LONGTEXT, false);
 241         change_integer_list( pi_amtuner_mode, ppsz_amtuner_mode_text, NULL );
 242
 243     add_integer( "dshow-audio-channels", 0, NULL, AUDIO_CHANNELS_TEXT,
 244                  AUDIO_CHANNELS_LONGTEXT, true );
 245     add_integer( "dshow-audio-samplerate", 0, NULL, AUDIO_SAMPLERATE_TEXT,
 246                  AUDIO_SAMPLERATE_LONGTEXT, true );
 247     add_integer( "dshow-audio-bitspersample", 0, NULL, AUDIO_BITSPERSAMPLE_TEXT,
 248                  AUDIO_BITSPERSAMPLE_LONGTEXT, true );
 249
 250     add_shortcut( "dshow" );
 251     set_capability( "access_demux", 0 );
 252     set_callbacks( DemuxOpen, DemuxClose );
 253
 254     add_submodule();
 255     set_description( N_("DirectShow input") );
 256     set_capability( "access", 0 );
 257     set_callbacks( AccessOpen, AccessClose );
 258
 259 vlc_module_end();
 260
 261 /*****************************************************************************
 262  * DirectShow elementary stream descriptor
 263  *****************************************************************************/
 264 typedef struct dshow_stream_t
 265 {
 266     string          devicename;
 267     IBaseFilter     *p_device_filter;
 268     CaptureFilter   *p_capture_filter;
 269     AM_MEDIA_TYPE   mt;
 270
 271     union
 272     {
 273       VIDEOINFOHEADER video;
 274       WAVEFORMATEX    audio;
 275
 276     } header;
 277
 278     int             i_fourcc;
 279     es_out_id_t     *p_es;
 280
 281     bool      b_pts;
 282 } dshow_stream_t;
 283
 284 /*****************************************************************************
 285  * DirectShow utility functions
 286  *****************************************************************************/
 287 static void CreateDirectShowGraph( access_sys_t *p_sys )
 288 {
 289     p_sys->i_crossbar_route_depth = 0;
 290
 291     /* Create directshow filter graph */
 292     if( SUCCEEDED( CoCreateInstance( CLSID_FilterGraph, 0, CLSCTX_INPROC,
 293                        (REFIID)IID_IFilterGraph, (void **)&p_sys->p_graph) ) )
 294     {
 295         /* Create directshow capture graph builder if available */
 296         if( SUCCEEDED( CoCreateInstance( CLSID_CaptureGraphBuilder2, 0,
 297                          CLSCTX_INPROC, (REFIID)IID_ICaptureGraphBuilder2,
 298                          (void **)&p_sys->p_capture_graph_builder2 ) ) )
 299         {
 300             p_sys->p_capture_graph_builder2->
 301                 SetFiltergraph((IGraphBuilder *)p_sys->p_graph);
 302         }
 303
 304         p_sys->p_graph->QueryInterface( IID_IMediaControl,
 305                                         (void **)&p_sys->p_control );
 306     }
 307 }
 308
 309 static void DeleteDirectShowGraph( access_sys_t *p_sys )
 310 {
 311     DeleteCrossbarRoutes( p_sys );
 312
 313     /* Remove filters from graph */
 314     for( int i = 0; i < p_sys->i_streams; i++ )
 315     {
 316         p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_capture_filter );
 317         p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_device_filter );
 318         p_sys->pp_streams[i]->p_capture_filter->Release();
 319         p_sys->pp_streams[i]->p_device_filter->Release();
 320     }
 321
 322     /* Release directshow objects */
 323     if( p_sys->p_control )
 324     {
 325         p_sys->p_control->Release();
 326         p_sys->p_control = NULL;
 327     }
 328     if( p_sys->p_capture_graph_builder2 )
 329     {
 330         p_sys->p_capture_graph_builder2->Release();
 331         p_sys->p_capture_graph_builder2 = NULL;
 332     }
 333
 334     if( p_sys->p_graph )
 335     {
 336         p_sys->p_graph->Release();
 337         p_sys->p_graph = NULL;
 338     }
 339 }
 340
 341 /*****************************************************************************
 342  * CommonOpen: open direct show device
 343  *****************************************************************************/
 344 static int CommonOpen( vlc_object_t *p_this, access_sys_t *p_sys,
 345                        bool b_access_demux )
 346 {
 347     vlc_value_t  val;
 348     int i;
 349
 350     /* Get/parse options and open device(s) */
 351     string vdevname, adevname;
 352     int i_width = 0, i_height = 0, i_chroma = 0;
 353     bool b_audio = true;
 354
 355     var_Create( p_this, "dshow-config", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 356     var_Create( p_this, "dshow-tuner", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 357     var_Create( p_this, "dshow-vdev", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 358     var_Get( p_this, "dshow-vdev", &val );
 359     if( val.psz_string ) vdevname = string( val.psz_string );
 360     free( val.psz_string );
 361
 362     var_Create( p_this, "dshow-adev", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 363     var_Get( p_this, "dshow-adev", &val );
 364     if( val.psz_string ) adevname = string( val.psz_string );
 365     free( val.psz_string );
 366
 367     static struct {char *psz_size; int  i_width; int  i_height;} size_table[] =
 368     { { "subqcif", 128, 96 }, { "qsif", 160, 120 }, { "qcif", 176, 144 },
 369       { "sif", 320, 240 }, { "cif", 352, 288 }, { "d1", 640, 480 },
 370       { 0, 0, 0 },
 371     };
 372
 373     var_Create( p_this, "dshow-size", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 374     var_Get( p_this, "dshow-size", &val );
 375     if( val.psz_string && *val.psz_string )
 376     {
 377         for( i = 0; size_table[i].psz_size; i++ )
 378         {
 379             if( !strcmp( val.psz_string, size_table[i].psz_size ) )
 380             {
 381                 i_width = size_table[i].i_width;
 382                 i_height = size_table[i].i_height;
 383                 break;
 384             }
 385         }
 386         if( !size_table[i].psz_size ) /* Try to parse "WidthxHeight" */
 387         {
 388             char *psz_parser;
 389             i_width = strtol( val.psz_string, &psz_parser, 0 );
 390             if( *psz_parser == 'x' || *psz_parser == 'X')
 391             {
 392                 i_height = strtol( psz_parser + 1, &psz_parser, 0 );
 393             }
 394             msg_Dbg( p_this, "width x height %dx%d", i_width, i_height );
 395         }
 396     }
 397     free( val.psz_string );
 398
 399     p_sys->b_chroma = false;
 400     var_Create( p_this, "dshow-chroma", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 401     var_Get( p_this, "dshow-chroma", &val );
 402     if( val.psz_string && strlen( val.psz_string ) >= 4 )
 403     {
 404         i_chroma = VLC_FOURCC( val.psz_string[0], val.psz_string[1],
 405                                val.psz_string[2], val.psz_string[3] );
 406         p_sys->b_chroma = true;
 407     }
 408     free( val.psz_string );
 409
 410     var_Create( p_this, "dshow-fps", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
 411     var_Create( p_this, "dshow-tuner-channel",
 412                 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 413     var_Create( p_this, "dshow-tuner-country",
 414                 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 415     var_Create( p_this, "dshow-tuner-input",
 416                 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 417
 418     var_Create( p_this, "dshow-amtuner-mode",
 419                 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 420
 421     var_Create( p_this, "dshow-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 422
 423     var_Create( p_this, "dshow-video-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 424     var_Create( p_this, "dshow-audio-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 425     var_Create( p_this, "dshow-video-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 426     var_Create( p_this, "dshow-audio-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 427
 428     /* Initialize OLE/COM */
 429     CoInitialize( 0 );
 430
 431     /* Initialize some data */
 432     p_sys->i_streams = 0;
 433     p_sys->pp_streams = 0;
 434     p_sys->i_width = i_width;
 435     p_sys->i_height = i_height;
 436     p_sys->i_chroma = i_chroma;
 437
 438     p_sys->p_graph = NULL;
 439     p_sys->p_capture_graph_builder2 = NULL;
 440     p_sys->p_control = NULL;
 441
 442     vlc_mutex_init( &p_sys->lock );
 443     vlc_cond_init( &p_sys->wait );
 444
 445     /* Build directshow graph */
 446     CreateDirectShowGraph( p_sys );
 447
 448     if( OpenDevice( p_this, p_sys, vdevname, 0 ) != VLC_SUCCESS )
 449     {
 450         msg_Err( p_this, "can't open video");
 451     }
 452     else
 453     {
 454         /* Check if we can handle the demuxing ourselves or need to spawn
 455          * a demuxer module */
 456         dshow_stream_t *p_stream = p_sys->pp_streams[p_sys->i_streams-1];
 457
 458         if( p_stream->mt.majortype == MEDIATYPE_Video )
 459         {
 460             if( /* Raw DV stream */
 461                 p_stream->i_fourcc == VLC_FOURCC('d','v','s','l') ||
 462                 p_stream->i_fourcc == VLC_FOURCC('d','v','s','d') ||
 463                 p_stream->i_fourcc == VLC_FOURCC('d','v','h','d') ||
 464                 /* Raw MPEG video stream */
 465                 p_stream->i_fourcc == VLC_FOURCC('m','p','2','v') )
 466             {
 467                 b_audio = false;
 468
 469                 if( b_access_demux )
 470                 {
 471                     /* Let the access (only) take care of that */
 472                     return VLC_EGENERIC;
 473                 }
 474             }
 475         }
 476
 477         if( p_stream->mt.majortype == MEDIATYPE_Stream )
 478         {
 479             b_audio = false;
 480
 481             if( b_access_demux )
 482             {
 483                 /* Let the access (only) take care of that */
 484                 return VLC_EGENERIC;
 485             }
 486
 487             var_Get( p_this, "dshow-tuner", &val );
 488             if( val.b_bool )
 489             {
 490                 /* FIXME: we do MEDIATYPE_Stream here so we don't do
 491                  * it twice. */
 492                 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
 493                                      p_stream->p_device_filter, 0 );
 494             }
 495         }
 496     }
 497
 498     if( b_audio && OpenDevice( p_this, p_sys, adevname, 1 ) != VLC_SUCCESS )
 499     {
 500         msg_Err( p_this, "can't open audio");
 501     }
 502
 503     for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
 504     {
 505             var_Get( p_this, "dshow-video-input", &val );
 506             if( val.i_int >= 0 )
 507                     p_sys->crossbar_routes[i].VideoInputIndex=val.i_int;
 508             var_Get( p_this, "dshow-video-output", &val );
 509             if( val.i_int >= 0 )
 510                     p_sys->crossbar_routes[i].VideoOutputIndex=val.i_int;
 511             var_Get( p_this, "dshow-audio-input", &val );
 512             if( val.i_int >= 0 )
 513                     p_sys->crossbar_routes[i].AudioInputIndex=val.i_int;
 514             var_Get( p_this, "dshow-audio-output", &val );
 515             if( val.i_int >= 0 )
 516                     p_sys->crossbar_routes[i].AudioOutputIndex=val.i_int;
 517
 518         IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
 519         LONG VideoInputIndex = p_sys->crossbar_routes[i].VideoInputIndex;
 520         LONG VideoOutputIndex = p_sys->crossbar_routes[i].VideoOutputIndex;
 521         LONG AudioInputIndex = p_sys->crossbar_routes[i].AudioInputIndex;
 522         LONG AudioOutputIndex = p_sys->crossbar_routes[i].AudioOutputIndex;
 523
 524         if( SUCCEEDED(pXbar->Route(VideoOutputIndex, VideoInputIndex)) )
 525         {
 526             msg_Dbg( p_this, "crossbar at depth %d, routed video "
 527                      "output %ld to video input %ld", i, VideoOutputIndex,
 528                      VideoInputIndex );
 529
 530             if( AudioOutputIndex != -1 && AudioInputIndex != -1 )
 531             {
 532                 if( SUCCEEDED( pXbar->Route(AudioOutputIndex,
 533                                             AudioInputIndex)) )
 534                 {
 535                     msg_Dbg(p_this, "crossbar at depth %d, routed audio "
 536                             "output %ld to audio input %ld", i,
 537                             AudioOutputIndex, AudioInputIndex );
 538                 }
 539             }
 540         }
 541     }
 542
 543     /*
 544     ** Show properties pages from other filters in graph
 545     */
 546     var_Get( p_this, "dshow-config", &val );
 547     if( val.b_bool )
 548     {
 549         for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
 550         {
 551             IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
 552             IBaseFilter *p_XF;
 553
 554             if( SUCCEEDED( pXbar->QueryInterface( IID_IBaseFilter,
 555                                                   (void **)&p_XF ) ) )
 556             {
 557                 ShowPropertyPage( p_XF );
 558                 p_XF->Release();
 559             }
 560         }
 561     }
 562
 563     /* Initialize some data */
 564     p_sys->i_current_stream = 0;
 565
 566     if( !p_sys->i_streams ) return VLC_EGENERIC;
 567
 568     return VLC_SUCCESS;
 569 }
 570
 571 /*****************************************************************************
 572  * DemuxOpen: open direct show device as an access_demux module
 573  *****************************************************************************/
 574 static int DemuxOpen( vlc_object_t *p_this )
 575 {
 576     demux_t      *p_demux = (demux_t *)p_this;
 577     access_sys_t *p_sys;
 578     int i;
 579
 580     p_sys = (access_sys_t *)malloc( sizeof( access_sys_t ) );
 581     if( !p_sys )
 582         return VLC_ENOMEM;
 583     memset( p_sys, 0, sizeof( access_sys_t ) );
 584     p_demux->p_sys = (demux_sys_t *)p_sys;
 585
 586     if( CommonOpen( p_this, p_sys, true ) != VLC_SUCCESS )
 587     {
 588         CommonClose( p_this, p_sys );
 589         return VLC_EGENERIC;
 590     }
 591
 592     /* Everything is ready. Let's rock baby */
 593     msg_Dbg( p_this, "Playing...");
 594     p_sys->p_control->Run();
 595
 596     p_demux->pf_demux   = Demux;
 597     p_demux->pf_control = DemuxControl;
 598     p_demux->info.i_update = 0;
 599     p_demux->info.i_title = 0;
 600     p_demux->info.i_seekpoint = 0;
 601
 602     for( i = 0; i < p_sys->i_streams; i++ )
 603     {
 604         dshow_stream_t *p_stream = p_sys->pp_streams[i];
 605         es_format_t fmt;
 606
 607         if( p_stream->mt.majortype == MEDIATYPE_Video )
 608         {
 609             es_format_Init( &fmt, VIDEO_ES, p_stream->i_fourcc );
 610
 611             fmt.video.i_width  = p_stream->header.video.bmiHeader.biWidth;
 612             fmt.video.i_height = p_stream->header.video.bmiHeader.biHeight;
 613             fmt.video.i_aspect = 4 * VOUT_ASPECT_FACTOR / 3;
 614
 615             if( !p_stream->header.video.bmiHeader.biCompression )
 616             {
 617                 /* RGB DIB are coded from bottom to top */
 618                 fmt.video.i_height = (unsigned int)(-(int)fmt.video.i_height);
 619             }
 620
 621             /* Setup rgb mask for RGB formats */
 622             if( p_stream->i_fourcc == VLC_FOURCC('R','V','2','4') )
 623             {
 624                 /* This is in BGR format */
 625                 fmt.video.i_bmask = 0x00ff0000;
 626                 fmt.video.i_gmask = 0x0000ff00;
 627                 fmt.video.i_rmask = 0x000000ff;
 628             }
 629
 630             if( p_stream->header.video.AvgTimePerFrame )
 631             {
 632                 fmt.video.i_frame_rate = 10000000;
 633                 fmt.video.i_frame_rate_base =
 634                     p_stream->header.video.AvgTimePerFrame;
 635             }
 636         }
 637         else if( p_stream->mt.majortype == MEDIATYPE_Audio )
 638         {
 639             es_format_Init( &fmt, AUDIO_ES, p_stream->i_fourcc );
 640
 641             fmt.audio.i_channels = p_stream->header.audio.nChannels;
 642             fmt.audio.i_rate = p_stream->header.audio.nSamplesPerSec;
 643             fmt.audio.i_bitspersample = p_stream->header.audio.wBitsPerSample;
 644             fmt.audio.i_blockalign = fmt.audio.i_channels *
 645                 fmt.audio.i_bitspersample / 8;
 646             fmt.i_bitrate = fmt.audio.i_channels * fmt.audio.i_rate *
 647                 fmt.audio.i_bitspersample;
 648         }
 649
 650         p_stream->p_es = es_out_Add( p_demux->out, &fmt );
 651     }
 652
 653     return VLC_SUCCESS;
 654 }
 655
 656 /*****************************************************************************
 657  * AccessOpen: open direct show device as an access module
 658  *****************************************************************************/
 659 static int AccessOpen( vlc_object_t *p_this )
 660 {
 661     access_t     *p_access = (access_t*)p_this;
 662     access_sys_t *p_sys;
 663
 664     p_access->p_sys = p_sys = (access_sys_t *)malloc( sizeof( access_sys_t ) );
 665     if( !p_sys )
 666         return VLC_ENOMEM;
 667     memset( p_sys, 0, sizeof( access_sys_t ) );
 668
 669     if( CommonOpen( p_this, p_sys, false ) != VLC_SUCCESS )
 670     {
 671         CommonClose( p_this, p_sys );
 672         return VLC_EGENERIC;
 673     }
 674
 675     dshow_stream_t *p_stream = p_sys->pp_streams[0];
 676
 677     /* Check if we need to force demuxers */
 678     if( !p_access->psz_demux || !*p_access->psz_demux )
 679     {
 680         if( p_stream->i_fourcc == VLC_FOURCC('d','v','s','l') ||
 681             p_stream->i_fourcc == VLC_FOURCC('d','v','s','d') ||
 682             p_stream->i_fourcc == VLC_FOURCC('d','v','h','d') )
 683         {
 684             free( p_access->psz_demux );
 685             p_access->psz_demux = strdup( "rawdv" );
 686         }
 687         else if( p_stream->i_fourcc == VLC_FOURCC('m','p','2','v') )
 688         {
 689             free( p_access->psz_demux );
 690             p_access->psz_demux = strdup( "mpgv" );
 691         }
 692     }
 693
 694     /* Setup Access */
 695     p_access->pf_read = NULL;
 696     p_access->pf_block = ReadCompressed;
 697     p_access->pf_control = AccessControl;
 698     p_access->pf_seek = NULL;
 699     p_access->info.i_update = 0;
 700     p_access->info.i_size = 0;
 701     p_access->info.i_pos = 0;
 702     p_access->info.b_eof = false;
 703     p_access->info.i_title = 0;
 704     p_access->info.i_seekpoint = 0;
 705     p_access->p_sys = p_sys;
 706
 707     /* Everything is ready. Let's rock baby */
 708     msg_Dbg( p_this, "Playing...");
 709     p_sys->p_control->Run();
 710
 711     return VLC_SUCCESS;
 712 }
 713
 714 /*****************************************************************************
 715  * CommonClose: close device
 716  *****************************************************************************/
 717 static void CommonClose( vlc_object_t *p_this, access_sys_t *p_sys )
 718 {
 719     msg_Dbg( p_this, "releasing DirectShow");
 720
 721     DeleteDirectShowGraph( p_sys );
 722
 723     /* Uninitialize OLE/COM */
 724     CoUninitialize();
 725
 726     for( int i = 0; i < p_sys->i_streams; i++ ) delete p_sys->pp_streams[i];
 727     if( p_sys->i_streams ) free( p_sys->pp_streams );
 728
 729     vlc_mutex_destroy( &p_sys->lock );
 730     vlc_cond_destroy( &p_sys->wait );
 731
 732     free( p_sys );
 733 }
 734
 735 /*****************************************************************************
 736  * AccessClose: close device
 737  *****************************************************************************/
 738 static void AccessClose( vlc_object_t *p_this )
 739 {
 740     access_t     *p_access = (access_t *)p_this;
 741     access_sys_t *p_sys    = p_access->p_sys;
 742
 743     /* Stop capturing stuff */
 744     p_sys->p_control->Stop();
 745
 746     CommonClose( p_this, p_sys );
 747 }
 748
 749 /*****************************************************************************
 750  * DemuxClose: close device
 751  *****************************************************************************/
 752 static void DemuxClose( vlc_object_t *p_this )
 753 {
 754     demux_t      *p_demux = (demux_t *)p_this;
 755     access_sys_t *p_sys   = (access_sys_t *)p_demux->p_sys;
 756
 757     /* Stop capturing stuff */
 758     p_sys->p_control->Stop();
 759
 760     CommonClose( p_this, p_sys );
 761 }
 762
 763 /****************************************************************************
 764  * ConnectFilters
 765  ****************************************************************************/
 766 static bool ConnectFilters( vlc_object_t *p_this, access_sys_t *p_sys,
 767                             IBaseFilter *p_filter,
 768                             CaptureFilter *p_capture_filter )
 769 {
 770     CapturePin *p_input_pin = p_capture_filter->CustomGetPin();
 771
 772     AM_MEDIA_TYPE mediaType = p_input_pin->CustomGetMediaType();
 773
 774     if( p_sys->p_capture_graph_builder2 )
 775     {
 776         if( FAILED(p_sys->p_capture_graph_builder2->
 777                 RenderStream( &PIN_CATEGORY_CAPTURE, &mediaType.majortype,
 778                               p_filter, 0, (IBaseFilter *)p_capture_filter )) )
 779         {
 780             return false;
 781         }
 782
 783         // Sort out all the possible video inputs
 784         // The class needs to be given the capture filters ANALOGVIDEO input pin
 785         IEnumPins *pins = 0;
 786         if( ( mediaType.majortype == MEDIATYPE_Video ||
 787               mediaType.majortype == MEDIATYPE_Stream ) &&
 788             SUCCEEDED(p_filter->EnumPins(&pins)) )
 789         {
 790             IPin        *pP = 0;
 791             ULONG        n;
 792             PIN_INFO     pinInfo;
 793             BOOL         Found = FALSE;
 794             IKsPropertySet *pKs=0;
 795             GUID guid;
 796             DWORD dw;
 797
 798             while( !Found && ( S_OK == pins->Next(1, &pP, &n) ) )
 799             {
 800                 if( S_OK == pP->QueryPinInfo(&pinInfo) )
 801                 {
 802                     // is this pin an ANALOGVIDEOIN input pin?
 803                     if( pinInfo.dir == PINDIR_INPUT &&
 804                         pP->QueryInterface( IID_IKsPropertySet,
 805                                             (void **)&pKs ) == S_OK )
 806                     {
 807                         if( pKs->Get( AMPROPSETID_Pin,
 808                                       AMPROPERTY_PIN_CATEGORY, NULL, 0,
 809                                       &guid, sizeof(GUID), &dw ) == S_OK )
 810                         {
 811                             if( guid == PIN_CATEGORY_ANALOGVIDEOIN )
 812                             {
 813                                 // recursively search crossbar routes
 814                                 FindCrossbarRoutes( p_this, p_sys, pP, 0 );
 815                                 // found it
 816                                 Found = TRUE;
 817                             }
 818                         }
 819                         pKs->Release();
 820                     }
 821                     pinInfo.pFilter->Release();
 822                 }
 823                 pP->Release();
 824             }
 825             pins->Release();
 826         }
 827         return true;
 828     }
 829     else
 830     {
 831         IEnumPins *p_enumpins;
 832         IPin *p_pin;
 833
 834         if( S_OK != p_filter->EnumPins( &p_enumpins ) ) return false;
 835
 836         while( S_OK == p_enumpins->Next( 1, &p_pin, NULL ) )
 837         {
 838             PIN_DIRECTION pin_dir;
 839             p_pin->QueryDirection( &pin_dir );
 840
 841             if( pin_dir == PINDIR_OUTPUT &&
 842                 p_sys->p_graph->ConnectDirect( p_pin, (IPin *)p_input_pin,
 843                                                0 ) == S_OK )
 844             {
 845                 p_pin->Release();
 846                 p_enumpins->Release();
 847                 return true;
 848             }
 849             p_pin->Release();
 850         }
 851
 852         p_enumpins->Release();
 853         return false;
 854     }
 855 }
 856
 857 /*
 858  * get fourcc priority from arbritary preference, the higher the better
 859  */
 860 static int GetFourCCPriority( int i_fourcc )
 861 {
 862     switch( i_fourcc )
 863     {
 864     case VLC_FOURCC('I','4','2','0'):
 865     case VLC_FOURCC('f','l','3','2'):
 866         return 9;
 867     case VLC_FOURCC('Y','V','1','2'):
 868     case VLC_FOURCC('a','r','a','w'):
 869         return 8;
 870     case VLC_FOURCC('R','V','2','4'):
 871         return 7;
 872     case VLC_FOURCC('Y','U','Y','2'):
 873     case VLC_FOURCC('R','V','3','2'):
 874     case VLC_FOURCC('R','G','B','A'):
 875         return 6;
 876     }
 877
 878     return 0;
 879 }
 880
 881 #define MAX_MEDIA_TYPES 32
 882
 883 static int OpenDevice( vlc_object_t *p_this, access_sys_t *p_sys,
 884                        string devicename, bool b_audio )
 885 {
 886     /* See if device is already opened */
 887     for( int i = 0; i < p_sys->i_streams; i++ )
 888     {
 889         if( devicename.size() &&
 890             p_sys->pp_streams[i]->devicename == devicename )
 891         {
 892             /* Already opened */
 893             return VLC_SUCCESS;
 894         }
 895     }
 896
 897     list<string> list_devices;
 898
 899     /* Enumerate devices and display their names */
 900     FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
 901
 902     if( !list_devices.size() )
 903         return VLC_EGENERIC;
 904
 905     list<string>::iterator iter;
 906     for( iter = list_devices.begin(); iter != list_devices.end(); iter++ )
 907         msg_Dbg( p_this, "found device: %s", iter->c_str() );
 908
 909     /* If no device name was specified, pick the 1st one */
 910     if( devicename.size() == 0 )
 911     {
 912         devicename = *list_devices.begin();
 913     }
 914
 915     // Use the system device enumerator and class enumerator to find
 916     // a capture/preview device, such as a desktop USB video camera.
 917     IBaseFilter *p_device_filter =
 918         FindCaptureDevice( p_this, &devicename, 0, b_audio );
 919     if( p_device_filter )
 920         msg_Dbg( p_this, "using device: %s", devicename.c_str() );
 921     else
 922     {
 923         msg_Err( p_this, "can't use device: %s, unsupported device type",
 924                  devicename.c_str() );
 925         intf_UserFatal( p_this, false, _("Capturing failed"),
 926                         _("VLC cannot use the device \"%s\", because its "
 927                           "type is not supported.") );
 928         return VLC_EGENERIC;
 929     }
 930
 931     // Retreive acceptable media types supported by device
 932     AM_MEDIA_TYPE media_types[MAX_MEDIA_TYPES];
 933     size_t media_count =
 934         EnumDeviceCaps( p_this, p_device_filter, b_audio ? 0 : p_sys->i_chroma,
 935                         p_sys->i_width, p_sys->i_height,
 936       b_audio ? var_CreateGetInteger( p_this, "dshow-audio-channels" ) : 0,
 937       b_audio ? var_CreateGetInteger( p_this, "dshow-audio-samplerate" ) : 0,
 938       b_audio ? var_CreateGetInteger( p_this, "dshow-audio-bitspersample" ) : 0,
 939       media_types, MAX_MEDIA_TYPES );
 940
 941     AM_MEDIA_TYPE *mt = NULL;
 942
 943     if( media_count > 0 )
 944     {
 945         mt = (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE) * media_count);
 946
 947         // Order and copy returned media types according to arbitrary
 948         // fourcc priority
 949         for( size_t c = 0; c < media_count; c++ )
 950         {
 951             int slot_priority =
 952                 GetFourCCPriority(GetFourCCFromMediaType(media_types[c]));
 953             size_t slot_copy = c;
 954             for( size_t d = c+1; d < media_count; d++ )
 955             {
 956                 int priority =
 957                     GetFourCCPriority(GetFourCCFromMediaType(media_types[d]));
 958                 if( priority > slot_priority )
 959                 {
 960                     slot_priority = priority;
 961                     slot_copy = d;
 962                 }
 963             }
 964             if( slot_copy != c )
 965             {
 966                 mt[c] = media_types[slot_copy];
 967                 media_types[slot_copy] = media_types[c];
 968             }
 969             else
 970             {
 971                 mt[c] = media_types[c];
 972             }
 973         }
 974     }
 975     else {
 976         /* capture device */
 977         msg_Err( p_this, "capture device '%s' does not support required parameters !", devicename.c_str() );
 978         intf_UserFatal( p_this, false, _("Capturing failed"),
 979                         _("The capture device \"%s\" does not support the "
 980                           "required parameters."), devicename.c_str() );
 981         p_device_filter->Release();
 982         return VLC_EGENERIC;
 983     }
 984
 985     /* Create and add our capture filter */
 986     CaptureFilter *p_capture_filter =
 987         new CaptureFilter( p_this, p_sys, mt, media_count );
 988     p_sys->p_graph->AddFilter( p_capture_filter, 0 );
 989
 990     /* Add the device filter to the graph (seems necessary with VfW before
 991      * accessing pin attributes). */
 992     p_sys->p_graph->AddFilter( p_device_filter, 0 );
 993
 994     /* Attempt to connect one of this device's capture output pins */
 995     msg_Dbg( p_this, "connecting filters" );
 996     if( ConnectFilters( p_this, p_sys, p_device_filter, p_capture_filter ) )
 997     {
 998         /* Success */
 999         msg_Dbg( p_this, "filters connected successfully !" );
1000
1001         dshow_stream_t dshow_stream;
1002         dshow_stream.b_pts = false;
1003         dshow_stream.p_es = 0;
1004         dshow_stream.mt =
1005             p_capture_filter->CustomGetPin()->CustomGetMediaType();
1006
1007         /* Show Device properties. Done here so the VLC stream is setup with
1008          * the proper parameters. */
1009         vlc_value_t val;
1010         var_Get( p_this, "dshow-config", &val );
1011         if( val.b_bool )
1012         {
1013             ShowDeviceProperties( p_this, p_sys->p_capture_graph_builder2,
1014                                   p_device_filter, b_audio );
1015         }
1016
1017         ConfigTuner( p_this, p_sys->p_capture_graph_builder2,
1018                      p_device_filter );
1019
1020         var_Get( p_this, "dshow-tuner", &val );
1021         if( val.b_bool && dshow_stream.mt.majortype != MEDIATYPE_Stream )
1022         {
1023             /* FIXME: we do MEDIATYPE_Stream later so we don't do it twice. */
1024             ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
1025                                  p_device_filter, b_audio );
1026         }
1027
1028         dshow_stream.mt =
1029             p_capture_filter->CustomGetPin()->CustomGetMediaType();
1030
1031         dshow_stream.i_fourcc = GetFourCCFromMediaType( dshow_stream.mt );
1032         if( dshow_stream.i_fourcc )
1033         {
1034             if( dshow_stream.mt.majortype == MEDIATYPE_Video )
1035             {
1036                 dshow_stream.header.video =
1037                     *(VIDEOINFOHEADER *)dshow_stream.mt.pbFormat;
1038                 msg_Dbg( p_this, "MEDIATYPE_Video" );
1039                 msg_Dbg( p_this, "selected video pin accepts format: %4.4s",
1040                          (char *)&dshow_stream.i_fourcc);
1041             }
1042             else if( dshow_stream.mt.majortype == MEDIATYPE_Audio )
1043             {
1044                 dshow_stream.header.audio =
1045                     *(WAVEFORMATEX *)dshow_stream.mt.pbFormat;
1046                 msg_Dbg( p_this, "MEDIATYPE_Audio" );
1047                 msg_Dbg( p_this, "selected audio pin accepts format: %4.4s",
1048                          (char *)&dshow_stream.i_fourcc);
1049             }
1050             else if( dshow_stream.mt.majortype == MEDIATYPE_Stream )
1051             {
1052                 msg_Dbg( p_this, "MEDIATYPE_Stream" );
1053                 msg_Dbg( p_this, "selected stream pin accepts format: %4.4s",
1054                          (char *)&dshow_stream.i_fourcc);
1055             }
1056             else
1057             {
1058                 msg_Dbg( p_this, "unknown stream majortype" );
1059                 goto fail;
1060             }
1061
1062             /* Add directshow elementary stream to our list */
1063             dshow_stream.p_device_filter = p_device_filter;
1064             dshow_stream.p_capture_filter = p_capture_filter;
1065
1066             p_sys->pp_streams = (dshow_stream_t **)realloc( p_sys->pp_streams,
1067                 sizeof(dshow_stream_t *) * (p_sys->i_streams + 1) );
1068             p_sys->pp_streams[p_sys->i_streams] = new dshow_stream_t;
1069             *p_sys->pp_streams[p_sys->i_streams++] = dshow_stream;
1070
1071             return VLC_SUCCESS;
1072         }
1073     }
1074
1075  fail:
1076     /* Remove filters from graph */
1077     p_sys->p_graph->RemoveFilter( p_device_filter );
1078     p_sys->p_graph->RemoveFilter( p_capture_filter );
1079
1080     /* Release objects */
1081     p_device_filter->Release();
1082     p_capture_filter->Release();
1083
1084     return VLC_EGENERIC;
1085 }
1086
1087 static IBaseFilter *
1088 FindCaptureDevice( vlc_object_t *p_this, string *p_devicename,
1089                    list<string> *p_listdevices, bool b_audio )
1090 {
1091     IBaseFilter *p_base_filter = NULL;
1092     IMoniker *p_moniker = NULL;
1093     ULONG i_fetched;
1094     HRESULT hr;
1095     list<string> devicelist;
1096
1097     /* Create the system device enumerator */
1098     ICreateDevEnum *p_dev_enum = NULL;
1099
1100     hr = CoCreateInstance( CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
1101                            IID_ICreateDevEnum, (void **)&p_dev_enum );
1102     if( FAILED(hr) )
1103     {
1104         msg_Err( p_this, "failed to create the device enumerator (0x%lx)", hr);
1105         return NULL;
1106     }
1107
1108     /* Create an enumerator for the video capture devices */
1109     IEnumMoniker *p_class_enum = NULL;
1110     if( !b_audio )
1111         hr = p_dev_enum->CreateClassEnumerator( CLSID_VideoInputDeviceCategory,
1112                                                 &p_class_enum, 0 );
1113     else
1114         hr = p_dev_enum->CreateClassEnumerator( CLSID_AudioInputDeviceCategory,
1115                                                 &p_class_enum, 0 );
1116     p_dev_enum->Release();
1117     if( FAILED(hr) )
1118     {
1119         msg_Err( p_this, "failed to create the class enumerator (0x%lx)", hr );
1120         return NULL;
1121     }
1122
1123     /* If there are no enumerators for the requested type, then
1124      * CreateClassEnumerator will succeed, but p_class_enum will be NULL */
1125     if( p_class_enum == NULL )
1126     {
1127         msg_Err( p_this, "no capture device was detected" );
1128         return NULL;
1129     }
1130
1131     /* Enumerate the devices */
1132
1133     /* Note that if the Next() call succeeds but there are no monikers,
1134      * it will return S_FALSE (which is not a failure). Therefore, we check
1135      * that the return code is S_OK instead of using SUCCEEDED() macro. */
1136
1137     while( p_class_enum->Next( 1, &p_moniker, &i_fetched ) == S_OK )
1138     {
1139         /* Getting the property page to get the device name */
1140         IPropertyBag *p_bag;
1141         hr = p_moniker->BindToStorage( 0, 0, IID_IPropertyBag,
1142                                        (void **)&p_bag );
1143         if( SUCCEEDED(hr) )
1144         {
1145             VARIANT var;
1146             var.vt = VT_BSTR;
1147             hr = p_bag->Read( L"FriendlyName", &var, NULL );
1148             p_bag->Release();
1149             if( SUCCEEDED(hr) )
1150             {
1151                 int i_convert = WideCharToMultiByte(CP_ACP, 0, var.bstrVal,
1152                         SysStringLen(var.bstrVal), NULL, 0, NULL, NULL);
1153                 char *p_buf = (char *)alloca( i_convert+1 ); p_buf[0] = 0;
1154                 WideCharToMultiByte( CP_ACP, 0, var.bstrVal,
1155                         SysStringLen(var.bstrVal), p_buf, i_convert, NULL, NULL );
1156                 SysFreeString(var.bstrVal);
1157                 p_buf[i_convert] = '\0';
1158
1159         string devname = string(p_buf);
1160
1161         int dup = 0;
1162         /* find out if this name is already used by a previously found device */
1163         list<string>::const_iterator iter = devicelist.begin();
1164         list<string>::const_iterator end = devicelist.end();
1165         while ( iter != end )
1166         {
1167             if( 0 == (*iter).compare(0, devname.size(), devname) )
1168             ++dup;
1169             ++iter;
1170         }
1171         if( dup )
1172         {
1173             /* we have a duplicate device name, append a sequence number to name
1174                to provive a unique list back to the user */
1175             char seq[16];
1176             sprintf(seq, " #%d", dup);
1177             devname.append(seq);
1178         }
1179         devicelist.push_back( devname );
1180
1181                 if( p_devicename && *p_devicename == devname )
1182                 {
1183                     /* Bind Moniker to a filter object */
1184                     hr = p_moniker->BindToObject( 0, 0, IID_IBaseFilter,
1185                                                   (void **)&p_base_filter );
1186                     if( FAILED(hr) )
1187                     {
1188                         msg_Err( p_this, "couldn't bind moniker to filter "
1189                                  "object (0x%lx)", hr );
1190                         p_moniker->Release();
1191                         p_class_enum->Release();
1192                         return NULL;
1193                     }
1194                     p_moniker->Release();
1195                     p_class_enum->Release();
1196                     return p_base_filter;
1197                 }
1198             }
1199         }
1200
1201         p_moniker->Release();
1202     }
1203
1204     p_class_enum->Release();
1205
1206     if( p_listdevices ) {
1207     devicelist.sort();
1208     *p_listdevices = devicelist;
1209     }
1210     return NULL;
1211 }
1212
1213 static size_t EnumDeviceCaps( vlc_object_t *p_this, IBaseFilter *p_filter,
1214                               int i_fourcc, int i_width, int i_height,
1215                               int i_channels, int i_samplespersec,
1216                               int i_bitspersample, AM_MEDIA_TYPE *mt,
1217                               size_t mt_max )
1218 {
1219     IEnumPins *p_enumpins;
1220     IPin *p_output_pin;
1221     IEnumMediaTypes *p_enummt;
1222     size_t mt_count = 0;
1223
1224     LONGLONG i_AvgTimePerFrame = 0;
1225     float r_fps = var_GetFloat( p_this, "dshow-fps" );
1226     if( r_fps )
1227         i_AvgTimePerFrame = 10000000000LL/(LONGLONG)(r_fps*1000.0f);
1228
1229     if( FAILED(p_filter->EnumPins( &p_enumpins )) )
1230     {
1231         msg_Dbg( p_this, "EnumDeviceCaps failed: no pin enumeration !");
1232         return 0;
1233     }
1234
1235     while( S_OK == p_enumpins->Next( 1, &p_output_pin, NULL ) )
1236     {
1237         PIN_INFO info;
1238
1239         if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1240         {
1241             msg_Dbg( p_this, "EnumDeviceCaps: %s pin: %S",
1242                      info.dir == PINDIR_INPUT ? "input" : "output",
1243                      info.achName );
1244             if( info.pFilter ) info.pFilter->Release();
1245         }
1246
1247         p_output_pin->Release();
1248     }
1249
1250     p_enumpins->Reset();
1251
1252     while( !mt_count && p_enumpins->Next( 1, &p_output_pin, NULL ) == S_OK )
1253     {
1254         PIN_INFO info;
1255
1256         if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1257         {
1258             if( info.pFilter ) info.pFilter->Release();
1259             if( info.dir == PINDIR_INPUT )
1260             {
1261                 p_output_pin->Release();
1262                 continue;
1263             }
1264             msg_Dbg( p_this, "EnumDeviceCaps: trying pin %S", info.achName );
1265         }
1266
1267         AM_MEDIA_TYPE *p_mt;
1268
1269         /*
1270         ** Configure pin with a default compatible media if possible
1271         */
1272
1273         IAMStreamConfig *pSC;
1274         if( SUCCEEDED(p_output_pin->QueryInterface( IID_IAMStreamConfig,
1275                                             (void **)&pSC )) )
1276         {
1277             int piCount, piSize;
1278             if( SUCCEEDED(pSC->GetNumberOfCapabilities(&piCount, &piSize)) )
1279             {
1280                 BYTE *pSCC= (BYTE *)CoTaskMemAlloc(piSize);
1281                 if( NULL != pSCC )
1282                 {
1283                     int i_priority = -1;
1284                     for( int i=0; i<piCount; ++i )
1285                     {
1286                         if( SUCCEEDED(pSC->GetStreamCaps(i, &p_mt, pSCC)) )
1287                         {
1288                             int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1289                             int i_current_priority = GetFourCCPriority(i_current_fourcc);
1290
1291                             if( (i_fourcc && (i_current_fourcc != i_fourcc))
1292                              || (i_priority > i_current_priority) )
1293                             {
1294                                 // unwanted chroma, try next media type
1295                                 FreeMediaType( *p_mt );
1296                                 CoTaskMemFree( (PVOID)p_mt );
1297                                 continue;
1298                             }
1299
1300                             if( MEDIATYPE_Video == p_mt->majortype
1301                                     && FORMAT_VideoInfo == p_mt->formattype )
1302                             {
1303                                 VIDEO_STREAM_CONFIG_CAPS *pVSCC = reinterpret_cast<VIDEO_STREAM_CONFIG_CAPS*>(pSCC);
1304                                 VIDEOINFOHEADER *pVih = reinterpret_cast<VIDEOINFOHEADER*>(p_mt->pbFormat);
1305
1306                                 if( i_AvgTimePerFrame )
1307                                 {
1308                                     if( pVSCC->MinFrameInterval > i_AvgTimePerFrame
1309                                       || i_AvgTimePerFrame > pVSCC->MaxFrameInterval )
1310                                     {
1311                                         // required frame rate not compatible, try next media type
1312                                         FreeMediaType( *p_mt );
1313                                         CoTaskMemFree( (PVOID)p_mt );
1314                                         continue;
1315                                     }
1316                                     pVih->AvgTimePerFrame = i_AvgTimePerFrame;
1317                                 }
1318
1319                                 if( i_width )
1320                                 {
1321                                     if( i_width % pVSCC->OutputGranularityX
1322                                      || pVSCC->MinOutputSize.cx > i_width
1323                                      || i_width > pVSCC->MaxOutputSize.cx )
1324                                     {
1325                                         // required width not compatible, try next media type
1326                                         FreeMediaType( *p_mt );
1327                                         CoTaskMemFree( (PVOID)p_mt );
1328                                         continue;
1329                                     }
1330                                     pVih->bmiHeader.biWidth = i_width;
1331                                 }
1332
1333                                 if( i_height )
1334                                 {
1335                                     if( i_height % pVSCC->OutputGranularityY
1336                                      || pVSCC->MinOutputSize.cy > i_height
1337                                      || i_height > pVSCC->MaxOutputSize.cy )
1338                                     {
1339                                         // required height not compatible, try next media type
1340                                         FreeMediaType( *p_mt );
1341                                         CoTaskMemFree( (PVOID)p_mt );
1342                                         continue;
1343                                     }
1344                                     pVih->bmiHeader.biHeight = i_height;
1345                                 }
1346
1347                                 // Set the sample size and image size.
1348                                 // (Round the image width up to a DWORD boundary.)
1349                                 p_mt->lSampleSize = pVih->bmiHeader.biSizeImage =
1350                                     ((pVih->bmiHeader.biWidth + 3) & ~3) *
1351                                     pVih->bmiHeader.biHeight * (pVih->bmiHeader.biBitCount>>3);
1352
1353                                 // no cropping, use full video input buffer
1354                                 memset(&(pVih->rcSource), 0, sizeof(RECT));
1355                                 memset(&(pVih->rcTarget), 0, sizeof(RECT));
1356
1357                                 // select this format as default
1358                                 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1359                                 {
1360                                     i_priority = i_current_priority;
1361                                     if( i_fourcc )
1362                                         // no need to check any more media types
1363                                         i = piCount;
1364                                 }
1365                             }
1366                             else if( p_mt->majortype == MEDIATYPE_Audio
1367                                     && p_mt->formattype == FORMAT_WaveFormatEx )
1368                             {
1369                                 AUDIO_STREAM_CONFIG_CAPS *pASCC = reinterpret_cast<AUDIO_STREAM_CONFIG_CAPS*>(pSCC);
1370                                 WAVEFORMATEX *pWfx = reinterpret_cast<WAVEFORMATEX*>(p_mt->pbFormat);
1371
1372                                 if( i_current_fourcc && (WAVE_FORMAT_PCM == pWfx->wFormatTag) )
1373                                 {
1374                                     int val = i_channels;
1375                                     if( ! val )
1376                                         val = 2;
1377
1378                                     if( val % pASCC->ChannelsGranularity
1379                                      || (unsigned int)val < pASCC->MinimumChannels
1380                                      || (unsigned int)val > pASCC->MaximumChannels )
1381                                     {
1382                                         // required number channels not available, try next media type
1383                                         FreeMediaType( *p_mt );
1384                                         CoTaskMemFree( (PVOID)p_mt );
1385                                         continue;
1386                                     }
1387                                     pWfx->nChannels = val;
1388
1389                                     val = i_samplespersec;
1390                                     if( ! val )
1391                                         val = 44100;
1392
1393                                     if( val % pASCC->SampleFrequencyGranularity
1394                                      || (unsigned int)val < pASCC->MinimumSampleFrequency
1395                                      || (unsigned int)val > pASCC->MaximumSampleFrequency )
1396                                     {
1397                                         // required sampling rate not available, try next media type
1398                                         FreeMediaType( *p_mt );
1399                                         CoTaskMemFree( (PVOID)p_mt );
1400                                         continue;
1401                                     }
1402                                     pWfx->nSamplesPerSec = val;
1403
1404                                     val = i_bitspersample;
1405                                     if( ! val )
1406                                     {
1407                                         if( VLC_FOURCC('f', 'l', '3', '2') == i_current_fourcc )
1408                                             val = 32;
1409                                         else
1410                                             val = 16;
1411                                     }
1412
1413                                     if( val % pASCC->BitsPerSampleGranularity
1414                                      || (unsigned int)val < pASCC->MinimumBitsPerSample
1415                                      || (unsigned int)val > pASCC->MaximumBitsPerSample )
1416                                     {
1417                                         // required sample size not available, try next media type
1418                                         FreeMediaType( *p_mt );
1419                                         CoTaskMemFree( (PVOID)p_mt );
1420                                         continue;
1421                                     }
1422
1423                                     pWfx->wBitsPerSample = val;
1424                                     pWfx->nBlockAlign = (pWfx->wBitsPerSample * pWfx->nChannels)/8;
1425                                     pWfx->nAvgBytesPerSec = pWfx->nSamplesPerSec * pWfx->nBlockAlign;
1426
1427                                     // select this format as default
1428                                     if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1429                                     {
1430                                         i_priority = i_current_priority;
1431                                     }
1432                                 }
1433                             }
1434                             FreeMediaType( *p_mt );
1435                             CoTaskMemFree( (PVOID)p_mt );
1436                         }
1437                     }
1438                     CoTaskMemFree( (LPVOID)pSCC );
1439                     if( i_priority >= 0 )
1440                         msg_Dbg( p_this, "EnumDeviceCaps: input pin default format configured");
1441                 }
1442             }
1443             pSC->Release();
1444         }
1445
1446         /*
1447         ** Probe pin for available medias (may be a previously configured one)
1448         */
1449
1450         if( FAILED( p_output_pin->EnumMediaTypes( &p_enummt ) ) )
1451         {
1452             p_output_pin->Release();
1453             continue;
1454         }
1455
1456         while( p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1457         {
1458             int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1459             if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Video
1460                 && p_mt->formattype == FORMAT_VideoInfo )
1461             {
1462                 int i_current_width = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1463                 int i_current_height = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1464                 LONGLONG i_current_atpf = ((VIDEOINFOHEADER *)p_mt->pbFormat)->AvgTimePerFrame;
1465
1466                 if( i_current_height < 0 )
1467                     i_current_height = -i_current_height;
1468
1469                 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1470                          "accepts chroma: %4.4s, width:%i, height:%i, fps:%f",
1471                          (char *)&i_current_fourcc, i_current_width,
1472                          i_current_height, (10000000.0f/((float)i_current_atpf)) );
1473
1474                 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1475                     ( !i_width || i_width == i_current_width ) &&
1476                     ( !i_height || i_height == i_current_height ) &&
1477                     ( !i_AvgTimePerFrame || i_AvgTimePerFrame == i_current_atpf ) &&
1478                     mt_count < mt_max )
1479                 {
1480                     /* Pick match */
1481                     mt[mt_count++] = *p_mt;
1482                 }
1483                 else FreeMediaType( *p_mt );
1484             }
1485             else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Audio
1486                     && p_mt->formattype == FORMAT_WaveFormatEx)
1487             {
1488                 int i_current_channels =
1489                     ((WAVEFORMATEX *)p_mt->pbFormat)->nChannels;
1490                 int i_current_samplespersec =
1491                     ((WAVEFORMATEX *)p_mt->pbFormat)->nSamplesPerSec;
1492                 int i_current_bitspersample =
1493                     ((WAVEFORMATEX *)p_mt->pbFormat)->wBitsPerSample;
1494
1495                 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1496                          "accepts format: %4.4s, channels:%i, "
1497                          "samples/sec:%i bits/sample:%i",
1498                          (char *)&i_current_fourcc, i_current_channels,
1499                          i_current_samplespersec, i_current_bitspersample);
1500
1501                 if( (!i_channels || i_channels == i_current_channels) &&
1502                     (!i_samplespersec ||
1503                      i_samplespersec == i_current_samplespersec) &&
1504                     (!i_bitspersample ||
1505                      i_bitspersample == i_current_bitspersample) &&
1506                     mt_count < mt_max )
1507                 {
1508                     /* Pick  match */
1509                     mt[mt_count++] = *p_mt;
1510
1511                     /* Setup a few properties like the audio latency */
1512                     IAMBufferNegotiation *p_ambuf;
1513                     if( SUCCEEDED( p_output_pin->QueryInterface(
1514                           IID_IAMBufferNegotiation, (void **)&p_ambuf ) ) )
1515                     {
1516                         ALLOCATOR_PROPERTIES AllocProp;
1517                         AllocProp.cbAlign = -1;
1518
1519                         /* 100 ms of latency */
1520                         AllocProp.cbBuffer = i_current_channels *
1521                           i_current_samplespersec *
1522                           i_current_bitspersample / 8 / 10;
1523
1524                         AllocProp.cbPrefix = -1;
1525                         AllocProp.cBuffers = -1;
1526                         p_ambuf->SuggestAllocatorProperties( &AllocProp );
1527                         p_ambuf->Release();
1528                     }
1529                 }
1530                 else FreeMediaType( *p_mt );
1531             }
1532             else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Stream )
1533             {
1534                 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1535                          "accepts stream format: %4.4s",
1536                          (char *)&i_current_fourcc );
1537
1538                 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1539                     mt_count < mt_max )
1540                 {
1541                     /* Pick match */
1542                     mt[mt_count++] = *p_mt;
1543                     i_fourcc = i_current_fourcc;
1544                 }
1545                 else FreeMediaType( *p_mt );
1546             }
1547             else
1548             {
1549                 char *psz_type = "unknown";
1550                 if( p_mt->majortype == MEDIATYPE_Video ) psz_type = "video";
1551                 if( p_mt->majortype == MEDIATYPE_Audio ) psz_type = "audio";
1552                 if( p_mt->majortype == MEDIATYPE_Stream ) psz_type = "stream";
1553                 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: unsupported format "
1554                          "(%s %4.4s)", psz_type, (char *)&p_mt->subtype );
1555
1556                 FreeMediaType( *p_mt );
1557             }
1558             CoTaskMemFree( (PVOID)p_mt );
1559         }
1560
1561         if( !mt_count && p_enummt->Reset() == S_OK )
1562         {
1563             // VLC did not find any supported MEDIATYPE for this output pin.
1564             // However the graph builder might insert converter filters in
1565             // the graph if we use a different codec in VLC filter input pin.
1566             // however, in order to avoid nasty surprises, make use of this
1567             // facility only for known unsupported codecs.
1568
1569             while( !mt_count && p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1570             {
1571                 // the first four bytes of subtype GUID contains the codec FOURCC
1572                 const char *pfcc = (char *)&p_mt->subtype;
1573                 int i_current_fourcc = VLC_FOURCC(pfcc[0], pfcc[1], pfcc[2], pfcc[3]);
1574                 if( VLC_FOURCC('H','C','W','2') == i_current_fourcc
1575                  && p_mt->majortype == MEDIATYPE_Video )
1576                 {
1577                     // output format for 'Hauppauge WinTV PVR PCI II Capture'
1578                     // try I420 as an input format
1579                     i_current_fourcc = VLC_FOURCC('I','4','2','0');
1580                     if( !i_fourcc || i_fourcc == i_current_fourcc )
1581                     {
1582                         // return alternative media type
1583                         AM_MEDIA_TYPE mtr;
1584                         VIDEOINFOHEADER vh;
1585
1586                         mtr.majortype            = MEDIATYPE_Video;
1587                         mtr.subtype              = MEDIASUBTYPE_I420;
1588                         mtr.bFixedSizeSamples    = TRUE;
1589                         mtr.bTemporalCompression = FALSE;
1590                         mtr.pUnk                 = NULL;
1591                         mtr.formattype           = FORMAT_VideoInfo;
1592                         mtr.cbFormat             = sizeof(vh);
1593                         mtr.pbFormat             = (BYTE *)&vh;
1594
1595                         memset(&vh, 0, sizeof(vh));
1596
1597                         vh.bmiHeader.biSize   = sizeof(vh.bmiHeader);
1598                         vh.bmiHeader.biWidth  = i_width > 0 ? i_width :
1599                             ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1600                         vh.bmiHeader.biHeight = i_height > 0 ? i_height :
1601                             ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1602                         vh.bmiHeader.biPlanes      = 3;
1603                         vh.bmiHeader.biBitCount    = 12;
1604                         vh.bmiHeader.biCompression = VLC_FOURCC('I','4','2','0');
1605                         vh.bmiHeader.biSizeImage   = vh.bmiHeader.biWidth * 12 *
1606                             vh.bmiHeader.biHeight / 8;
1607                         mtr.lSampleSize            = vh.bmiHeader.biSizeImage;
1608
1609                         msg_Dbg( p_this, "EnumDeviceCaps: input pin media: using 'I420' in place of unsupported format 'HCW2'");
1610
1611                         if( SUCCEEDED(CopyMediaType(mt+mt_count, &mtr)) )
1612                             ++mt_count;
1613                     }
1614                 }
1615                 FreeMediaType( *p_mt );
1616             }
1617         }
1618
1619         p_enummt->Release();
1620         p_output_pin->Release();
1621     }
1622
1623     p_enumpins->Release();
1624     return mt_count;
1625 }
1626
1627 /*****************************************************************************
1628  * ReadCompressed: reads compressed (MPEG/DV) data from the device.
1629  *****************************************************************************
1630  * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
1631  * bytes.
1632  *****************************************************************************/
1633 static block_t *ReadCompressed( access_t *p_access )
1634 {
1635     access_sys_t   *p_sys = p_access->p_sys;
1636     dshow_stream_t *p_stream = NULL;
1637     VLCMediaSample sample;
1638
1639     /* Read 1 DV/MPEG frame (they contain the video and audio data) */
1640
1641     /* There must be only 1 elementary stream to produce a valid stream
1642      * of MPEG or DV data */
1643     p_stream = p_sys->pp_streams[0];
1644
1645     while( 1 )
1646     {
1647         if( !vlc_object_alive (p_access) || p_access->b_error ) return 0;
1648
1649         /* Get new sample/frame from the elementary stream (blocking). */
1650         vlc_mutex_lock( &p_sys->lock );
1651
1652         if( p_stream->p_capture_filter->CustomGetPin()
1653               ->CustomGetSample( &sample ) != S_OK )
1654         {
1655             /* No data available. Wait until some data has arrived */
1656             vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1657             vlc_mutex_unlock( &p_sys->lock );
1658             continue;
1659         }
1660
1661         vlc_mutex_unlock( &p_sys->lock );
1662
1663         /*
1664          * We got our sample
1665          */
1666         block_t *p_block;
1667         uint8_t *p_data;
1668         int i_data_size = sample.p_sample->GetActualDataLength();
1669
1670         if( !i_data_size || !(p_block = block_New( p_access, i_data_size )) )
1671         {
1672             sample.p_sample->Release();
1673             continue;
1674         }
1675
1676         sample.p_sample->GetPointer( &p_data );
1677         vlc_memcpy( p_block->p_buffer, p_data, i_data_size );
1678         sample.p_sample->Release();
1679
1680         /* The caller got what he wanted */
1681         return p_block;
1682     }
1683
1684     return 0; /* never reached */
1685 }
1686
1687 /****************************************************************************
1688  * Demux:
1689  ****************************************************************************/
1690 static int Demux( demux_t *p_demux )
1691 {
1692     access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
1693     dshow_stream_t *p_stream = NULL;
1694     VLCMediaSample sample;
1695     int i_data_size, i_stream;
1696     uint8_t *p_data;
1697     block_t *p_block;
1698
1699     vlc_mutex_lock( &p_sys->lock );
1700
1701     /* Try to grab an audio sample (audio has a higher priority) */
1702     for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1703     {
1704         p_stream = p_sys->pp_streams[i_stream];
1705         if( p_stream->mt.majortype == MEDIATYPE_Audio &&
1706             p_stream->p_capture_filter &&
1707             p_stream->p_capture_filter->CustomGetPin()
1708               ->CustomGetSample( &sample ) == S_OK )
1709         {
1710             break;
1711         }
1712     }
1713     /* Try to grab a video sample */
1714     if( i_stream == p_sys->i_streams )
1715     {
1716         for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1717         {
1718             p_stream = p_sys->pp_streams[i_stream];
1719             if( p_stream->p_capture_filter &&
1720                 p_stream->p_capture_filter->CustomGetPin()
1721                     ->CustomGetSample( &sample ) == S_OK )
1722             {
1723                 break;
1724             }
1725         }
1726     }
1727
1728     vlc_mutex_unlock( &p_sys->lock );
1729
1730     if( i_stream == p_sys->i_streams )
1731     {
1732         /* Sleep so we do not consume all the cpu, 10ms seems
1733          * like a good value (100fps) */
1734         msleep( 10000 );
1735         return 1;
1736     }
1737
1738     /*
1739      * We got our sample
1740      */
1741     i_data_size = sample.p_sample->GetActualDataLength();
1742     sample.p_sample->GetPointer( &p_data );
1743
1744     REFERENCE_TIME i_pts, i_end_date;
1745     HRESULT hr = sample.p_sample->GetTime( &i_pts, &i_end_date );
1746     if( hr != VFW_S_NO_STOP_TIME && hr != S_OK ) i_pts = 0;
1747
1748     if( !i_pts )
1749     {
1750         if( p_stream->mt.majortype == MEDIATYPE_Video || !p_stream->b_pts )
1751         {
1752             /* Use our data timestamp */
1753             i_pts = sample.i_timestamp;
1754             p_stream->b_pts = true;
1755         }
1756     }
1757
1758     i_pts /= 10; /* Dshow works with 100 nano-seconds resolution */
1759
1760 #if 0
1761     msg_Dbg( p_demux, "Read() stream: %i, size: %i, PTS: %"PRId64,
1762              i_stream, i_data_size, i_pts );
1763 #endif
1764
1765     p_block = block_New( p_demux, i_data_size );
1766     vlc_memcpy( p_block->p_buffer, p_data, i_data_size );
1767     p_block->i_pts = p_block->i_dts = i_pts;
1768     sample.p_sample->Release();
1769
1770     es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_pts > 0 ? i_pts : 0 );
1771     es_out_Send( p_demux->out, p_stream->p_es, p_block );
1772
1773     return 1;
1774 }
1775
1776 /*****************************************************************************
1777  * AccessControl:
1778  *****************************************************************************/
1779 static int AccessControl( access_t *p_access, int i_query, va_list args )
1780 {
1781     bool   *pb_bool;
1782     int          *pi_int;
1783     int64_t      *pi_64;
1784
1785     switch( i_query )
1786     {
1787     /* */
1788     case ACCESS_CAN_SEEK:
1789     case ACCESS_CAN_FASTSEEK:
1790     case ACCESS_CAN_PAUSE:
1791     case ACCESS_CAN_CONTROL_PACE:
1792         pb_bool = (bool*)va_arg( args, bool* );
1793         *pb_bool = false;
1794         break;
1795
1796     /* */
1797     case ACCESS_GET_MTU:
1798         pi_int = (int*)va_arg( args, int * );
1799         *pi_int = 0;
1800         break;
1801
1802     case ACCESS_GET_PTS_DELAY:
1803         pi_64 = (int64_t*)va_arg( args, int64_t * );
1804         *pi_64 = (int64_t)var_GetInteger( p_access, "dshow-caching" ) * 1000;
1805         break;
1806
1807     /* */
1808     case ACCESS_SET_PAUSE_STATE:
1809     case ACCESS_GET_TITLE_INFO:
1810     case ACCESS_SET_TITLE:
1811     case ACCESS_SET_SEEKPOINT:
1812     case ACCESS_SET_PRIVATE_ID_STATE:
1813         return VLC_EGENERIC;
1814
1815     default:
1816         msg_Warn( p_access, "unimplemented query in control" );
1817         return VLC_EGENERIC;
1818     }
1819
1820     return VLC_SUCCESS;
1821 }
1822
1823 /****************************************************************************
1824  * DemuxControl:
1825  ****************************************************************************/
1826 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
1827 {
1828     bool *pb;
1829     int64_t    *pi64;
1830
1831     switch( i_query )
1832     {
1833     /* Special for access_demux */
1834     case DEMUX_CAN_PAUSE:
1835     case DEMUX_CAN_SEEK:
1836     case DEMUX_SET_PAUSE_STATE:
1837     case DEMUX_CAN_CONTROL_PACE:
1838         pb = (bool*)va_arg( args, bool * );
1839         *pb = false;
1840         return VLC_SUCCESS;
1841
1842     case DEMUX_GET_PTS_DELAY:
1843         pi64 = (int64_t*)va_arg( args, int64_t * );
1844         *pi64 = (int64_t)var_GetInteger( p_demux, "dshow-caching" ) * 1000;
1845         return VLC_SUCCESS;
1846
1847     case DEMUX_GET_TIME:
1848         pi64 = (int64_t*)va_arg( args, int64_t * );
1849         *pi64 = mdate();
1850         return VLC_SUCCESS;
1851
1852     /* TODO implement others */
1853     default:
1854         return VLC_EGENERIC;
1855     }
1856
1857     return VLC_EGENERIC;
1858 }
1859
1860 /*****************************************************************************
1861  * config variable callback
1862  *****************************************************************************/
1863 static int FindDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1864                                vlc_value_t newval, vlc_value_t oldval, void * )
1865 {
1866     module_config_t *p_item;
1867     bool b_audio = false;
1868     int i;
1869
1870     p_item = config_FindConfig( p_this, psz_name );
1871     if( !p_item ) return VLC_SUCCESS;
1872
1873     if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = true;
1874
1875     /* Clear-up the current list */
1876     if( p_item->i_list )
1877     {
1878         /* Keep the 2 first entries */
1879         for( i = 2; i < p_item->i_list; i++ )
1880         {
1881             free( const_cast<char *>(p_item->ppsz_list[i]) );
1882             free( const_cast<char *>(p_item->ppsz_list_text[i]) );
1883         }
1884         /* TODO: Remove when no more needed */
1885         p_item->ppsz_list[i] = NULL;
1886         p_item->ppsz_list_text[i] = NULL;
1887     }
1888     p_item->i_list = 2;
1889
1890     /* Find list of devices */
1891     list<string> list_devices;
1892
1893     /* Initialize OLE/COM */
1894     CoInitialize( 0 );
1895
1896     FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1897
1898     /* Uninitialize OLE/COM */
1899     CoUninitialize();
1900
1901     if( !list_devices.size() ) return VLC_SUCCESS;
1902
1903     p_item->ppsz_list =
1904         (char **)realloc( p_item->ppsz_list,
1905                           (list_devices.size()+3) * sizeof(char *) );
1906     p_item->ppsz_list_text =
1907         (char **)realloc( p_item->ppsz_list_text,
1908                           (list_devices.size()+3) * sizeof(char *) );
1909
1910     list<string>::iterator iter;
1911     for( iter = list_devices.begin(), i = 2; iter != list_devices.end();
1912          iter++, i++ )
1913     {
1914         p_item->ppsz_list[i] = strdup( iter->c_str() );
1915         p_item->ppsz_list_text[i] = NULL;
1916         p_item->i_list++;
1917     }
1918     p_item->ppsz_list[i] = NULL;
1919     p_item->ppsz_list_text[i] = NULL;
1920
1921     /* Signal change to the interface */
1922     p_item->b_dirty = true;
1923
1924     return VLC_SUCCESS;
1925 }
1926
1927 static int ConfigDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1928                                vlc_value_t newval, vlc_value_t oldval, void * )
1929 {
1930     module_config_t *p_item;
1931     bool b_audio = false;
1932
1933     /* Initialize OLE/COM */
1934     CoInitialize( 0 );
1935
1936     p_item = config_FindConfig( p_this, psz_name );
1937     if( !p_item ) return VLC_SUCCESS;
1938
1939     if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = true;
1940
1941     string devicename;
1942
1943     if( newval.psz_string && *newval.psz_string )
1944     {
1945         devicename = newval.psz_string;
1946     }
1947     else
1948     {
1949         /* If no device name was specified, pick the 1st one */
1950         list<string> list_devices;
1951
1952         /* Enumerate devices */
1953         FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1954         if( !list_devices.size() ) return VLC_EGENERIC;
1955         devicename = *list_devices.begin();
1956     }
1957
1958     IBaseFilter *p_device_filter =
1959         FindCaptureDevice( p_this, &devicename, NULL, b_audio );
1960     if( p_device_filter )
1961     {
1962         ShowPropertyPage( p_device_filter );
1963         p_device_filter->Release();
1964     }
1965     else
1966     {
1967         /* Uninitialize OLE/COM */
1968         CoUninitialize();
1969
1970         msg_Err( p_this, "didn't find device: %s", devicename.c_str() );
1971         return VLC_EGENERIC;
1972     }
1973
1974     /* Uninitialize OLE/COM */
1975     CoUninitialize();
1976
1977     return VLC_SUCCESS;
1978 }
1979
1980 /*****************************************************************************
1981  * Properties
1982  *****************************************************************************/
1983 static void ShowPropertyPage( IUnknown *obj )
1984 {
1985     ISpecifyPropertyPages *p_spec;
1986     CAUUID cauuid;
1987
1988     HRESULT hr = obj->QueryInterface( IID_ISpecifyPropertyPages,
1989                                       (void **)&p_spec );
1990     if( FAILED(hr) ) return;
1991
1992     if( SUCCEEDED(p_spec->GetPages( &cauuid )) )
1993     {
1994         if( cauuid.cElems > 0 )
1995         {
1996             HWND hwnd_desktop = ::GetDesktopWindow();
1997
1998             OleCreatePropertyFrame( hwnd_desktop, 30, 30, NULL, 1, &obj,
1999                                     cauuid.cElems, cauuid.pElems, 0, 0, NULL );
2000
2001             CoTaskMemFree( cauuid.pElems );
2002         }
2003         p_spec->Release();
2004     }
2005 }
2006
2007 static void ShowDeviceProperties( vlc_object_t *p_this,
2008                                   ICaptureGraphBuilder2 *p_graph,
2009                                   IBaseFilter *p_device_filter,
2010                                   bool b_audio )
2011 {
2012     HRESULT hr;
2013     msg_Dbg( p_this, "configuring Device Properties" );
2014
2015     /*
2016      * Video or audio capture filter page
2017      */
2018     ShowPropertyPage( p_device_filter );
2019
2020     /*
2021      * Audio capture pin
2022      */
2023     if( p_graph && b_audio )
2024     {
2025         IAMStreamConfig *p_SC;
2026
2027         msg_Dbg( p_this, "showing WDM Audio Configuration Pages" );
2028
2029         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2030                                      &MEDIATYPE_Audio, p_device_filter,
2031                                      IID_IAMStreamConfig, (void **)&p_SC );
2032         if( SUCCEEDED(hr) )
2033         {
2034             ShowPropertyPage(p_SC);
2035             p_SC->Release();
2036         }
2037
2038         /*
2039          * TV Audio filter
2040          */
2041         IAMTVAudio *p_TVA;
2042         HRESULT hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2043                                              &MEDIATYPE_Audio, p_device_filter,
2044                                              IID_IAMTVAudio, (void **)&p_TVA );
2045         if( SUCCEEDED(hr) )
2046         {
2047             ShowPropertyPage(p_TVA);
2048             p_TVA->Release();
2049         }
2050     }
2051
2052     /*
2053      * Video capture pin
2054      */
2055     if( p_graph && !b_audio )
2056     {
2057         IAMStreamConfig *p_SC;
2058
2059         msg_Dbg( p_this, "showing WDM Video Configuration Pages" );
2060
2061         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2062                                      &MEDIATYPE_Interleaved, p_device_filter,
2063                                      IID_IAMStreamConfig, (void **)&p_SC );
2064         if( FAILED(hr) )
2065         {
2066             hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2067                                          &MEDIATYPE_Video, p_device_filter,
2068                                          IID_IAMStreamConfig, (void **)&p_SC );
2069         }
2070
2071         if( FAILED(hr) )
2072         {
2073             hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2074                                          &MEDIATYPE_Stream, p_device_filter,
2075                                          IID_IAMStreamConfig, (void **)&p_SC );
2076         }
2077
2078         if( SUCCEEDED(hr) )
2079         {
2080             ShowPropertyPage(p_SC);
2081             p_SC->Release();
2082         }
2083     }
2084 }
2085
2086 static void ShowTunerProperties( vlc_object_t *p_this,
2087                                  ICaptureGraphBuilder2 *p_graph,
2088                                  IBaseFilter *p_device_filter,
2089                                  bool b_audio )
2090 {
2091     HRESULT hr;
2092     msg_Dbg( p_this, "configuring Tuner Properties" );
2093
2094     if( !p_graph || b_audio ) return;
2095
2096     IAMTVTuner *p_TV;
2097     hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2098                                  &MEDIATYPE_Interleaved, p_device_filter,
2099                                  IID_IAMTVTuner, (void **)&p_TV );
2100     if( FAILED(hr) )
2101     {
2102         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2103                                      &MEDIATYPE_Video, p_device_filter,
2104                                      IID_IAMTVTuner, (void **)&p_TV );
2105     }
2106
2107     if( FAILED(hr) )
2108     {
2109         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2110                                      &MEDIATYPE_Stream, p_device_filter,
2111                                      IID_IAMTVTuner, (void **)&p_TV );
2112     }
2113
2114     if( SUCCEEDED(hr) )
2115     {
2116         ShowPropertyPage(p_TV);
2117         p_TV->Release();
2118     }
2119 }
2120
2121 static void ConfigTuner( vlc_object_t *p_this, ICaptureGraphBuilder2 *p_graph,
2122                          IBaseFilter *p_device_filter )
2123 {
2124     int i_channel, i_country, i_input, i_amtuner_mode;
2125     long l_modes = 0;
2126     IAMTVTuner *p_TV;
2127     HRESULT hr;
2128
2129     if( !p_graph ) return;
2130
2131     i_channel = var_GetInteger( p_this, "dshow-tuner-channel" );
2132     i_country = var_GetInteger( p_this, "dshow-tuner-country" );
2133     i_input = var_GetInteger( p_this, "dshow-tuner-input" );
2134     i_amtuner_mode = var_GetInteger( p_this, "dshow-amtuner-mode" );
2135
2136     if( !i_channel && !i_country && !i_input ) return; /* Nothing to do */
2137
2138     msg_Dbg( p_this, "tuner config: channel %i, country %i, input type %i",
2139              i_channel, i_country, i_input );
2140
2141     hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Interleaved,
2142                                  p_device_filter, IID_IAMTVTuner,
2143                                  (void **)&p_TV );
2144     if( FAILED(hr) )
2145     {
2146         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video,
2147                                      p_device_filter, IID_IAMTVTuner,
2148                                      (void **)&p_TV );
2149     }
2150
2151     if( FAILED(hr) )
2152     {
2153         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Stream,
2154                                      p_device_filter, IID_IAMTVTuner,
2155                                      (void **)&p_TV );
2156     }
2157
2158     if( FAILED(hr) )
2159     {
2160         msg_Dbg( p_this, "couldn't find tuner interface" );
2161         return;
2162     }
2163
2164     hr = p_TV->GetAvailableModes( &l_modes );
2165     if( SUCCEEDED(hr) && (l_modes & i_amtuner_mode) )
2166     {
2167         hr = p_TV->put_Mode( (AMTunerModeType)i_amtuner_mode );
2168     }
2169
2170     if( i_input == 1 ) p_TV->put_InputType( 0, TunerInputCable );
2171     else if( i_input == 2 ) p_TV->put_InputType( 0, TunerInputAntenna );
2172
2173     p_TV->put_CountryCode( i_country );
2174     p_TV->put_Channel( i_channel, AMTUNER_SUBCHAN_NO_TUNE,
2175                        AMTUNER_SUBCHAN_NO_TUNE );
2176     p_TV->Release();
2177 }