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

   1 /*****************************************************************************
   2  * dshow.cpp : DirectShow access and access_demux module for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2002-2004, 2006, 2008, 2010 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_CONSTANT_MACROS 1
  34 #define __STDC_FORMAT_MACROS 1
  35 #define CFG_PREFIX "dshow-"
  36 #include <inttypes.h>
  37
  38 #include <vlc_common.h>
  39 #include <vlc_plugin.h>
  40 #include <vlc_access.h>
  41 #include <vlc_demux.h>
  42
  43 #include <vlc_dialog.h>      /* dialog_Fatal */
  44 #include <vlc_charset.h>     /* FromWide */
  45
  46 #include "common.h"
  47 #include "filter.h"
  48
  49 /*****************************************************************************
  50  * Access: local prototypes
  51  *****************************************************************************/
  52 static block_t *ReadCompressed( access_t * );
  53 static int AccessControl ( access_t *, int, va_list );
  54
  55 static int Demux       ( demux_t * );
  56 static int DemuxControl( demux_t *, int, va_list );
  57
  58 static int OpenDevice( vlc_object_t *, access_sys_t *, string, bool );
  59 static IBaseFilter *FindCaptureDevice( vlc_object_t *, string *,
  60                                        list<string> *, bool );
  61 static size_t EnumDeviceCaps( vlc_object_t *, IBaseFilter *,
  62                               int, int, int, int, int, int,
  63                               AM_MEDIA_TYPE *mt, size_t );
  64 static bool ConnectFilters( vlc_object_t *, access_sys_t *,
  65                             IBaseFilter *, CaptureFilter * );
  66 static int FindDevicesCallback( vlc_object_t *, char const *,
  67                                 vlc_value_t, vlc_value_t, void * );
  68 static int ConfigDevicesCallback( vlc_object_t *, char const *,
  69                                   vlc_value_t, vlc_value_t, void * );
  70
  71 static void ShowPropertyPage( IUnknown * );
  72 static void ShowDeviceProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
  73                                   IBaseFilter *, bool );
  74 static void ShowTunerProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
  75                                  IBaseFilter *, bool );
  76 static void ConfigTuner( vlc_object_t *, ICaptureGraphBuilder2 *,
  77                          IBaseFilter * );
  78
  79 /*****************************************************************************
  80  * Module descriptor
  81  *****************************************************************************/
  82 static const char *const ppsz_vdev[] = { "", "none" };
  83 static const char *const ppsz_vdev_text[] = { N_("Default"), N_("None") };
  84
  85 static const char *const ppsz_adev[] = { "", "none" };
  86 static const char *const ppsz_adev_text[] = { N_("Default"), N_("None") };
  87
  88 static const int pi_tuner_input[] = { 0, 1, 2 };
  89 static const char *const ppsz_tuner_input_text[] =
  90     {N_("Default"), N_("Cable"), N_("Antenna")};
  91
  92 static const int pi_amtuner_mode[]  = { AMTUNER_MODE_DEFAULT,
  93                                         AMTUNER_MODE_TV,
  94                                         AMTUNER_MODE_FM_RADIO,
  95                                         AMTUNER_MODE_AM_RADIO,
  96                                         AMTUNER_MODE_DSS };
  97 static const char *const ppsz_amtuner_mode_text[] = { N_("Default"),
  98                                           N_("TV"),
  99                                           N_("FM radio"),
 100                                           N_("AM radio"),
 101                                           N_("DSS") };
 102
 103 static const int i_standards_list[] =
 104     {
 105         KS_AnalogVideo_None,
 106         KS_AnalogVideo_NTSC_M, KS_AnalogVideo_NTSC_M_J, KS_AnalogVideo_NTSC_433,
 107         KS_AnalogVideo_PAL_B, KS_AnalogVideo_PAL_D, KS_AnalogVideo_PAL_G,
 108         KS_AnalogVideo_PAL_H, KS_AnalogVideo_PAL_I, KS_AnalogVideo_PAL_M,
 109         KS_AnalogVideo_PAL_N, KS_AnalogVideo_PAL_60,
 110         KS_AnalogVideo_SECAM_B, KS_AnalogVideo_SECAM_D, KS_AnalogVideo_SECAM_G,
 111         KS_AnalogVideo_SECAM_H, KS_AnalogVideo_SECAM_K, KS_AnalogVideo_SECAM_K1,
 112         KS_AnalogVideo_SECAM_L, KS_AnalogVideo_SECAM_L1,
 113         KS_AnalogVideo_PAL_N_COMBO
 114     };
 115 static const char *const ppsz_standards_list_text[] =
 116     {
 117         N_("Default"),
 118         "NTSC_M", "NTSC_M_J", "NTSC_443",
 119         "PAL_B", "PAL_D", "PAL_G",
 120         "PAL_H", "PAL_I", "PAL_M",
 121         "PAL_N", "PAL_60",
 122         "SECAM_B", "SECAM_D", "SECAM_G",
 123         "SECAM_H", "SECAM_K", "SECAM_K1",
 124         "SECAM_L", "SECAM_L1",
 125         "PAL_N_COMBO"
 126     };
 127
 128 #define CACHING_TEXT N_("Caching value in ms")
 129 #define CACHING_LONGTEXT N_( \
 130     "Caching value for DirectShow streams. " \
 131     "This value should be set in milliseconds." )
 132 #define VDEV_TEXT N_("Video device name")
 133 #define VDEV_LONGTEXT N_( \
 134     "Name of the video device that will be used by the " \
 135     "DirectShow plugin. If you don't specify anything, the default device " \
 136     "will be used.")
 137 #define ADEV_TEXT N_("Audio device name")
 138 #define ADEV_LONGTEXT N_( \
 139     "Name of the audio device that will be used by the " \
 140     "DirectShow plugin. If you don't specify anything, the default device " \
 141     "will be used. ")
 142 #define SIZE_TEXT N_("Video size")
 143 #define SIZE_LONGTEXT N_( \
 144     "Size of the video that will be displayed by the " \
 145     "DirectShow plugin. If you don't specify anything the default size for " \
 146     "your device will be used. You can specify a standard size (cif, d1, ...) or <width>x<height>.")
 147 #define ASPECT_TEXT N_("Picture aspect-ratio n:m")
 148 #define ASPECT_LONGTEXT N_("Define input picture aspect-ratio to use. Default is 4:3" )
 149 #define CHROMA_TEXT N_("Video input chroma format")
 150 #define CHROMA_LONGTEXT N_( \
 151     "Force the DirectShow video input to use a specific chroma format " \
 152     "(eg. I420 (default), RV24, etc.)")
 153 #define FPS_TEXT N_("Video input frame rate")
 154 #define FPS_LONGTEXT N_( \
 155     "Force the DirectShow video input to use a specific frame rate" \
 156     "(eg. 0 means default, 25, 29.97, 50, 59.94, etc.)")
 157 #define CONFIG_TEXT N_("Device properties")
 158 #define CONFIG_LONGTEXT N_( \
 159     "Show the properties dialog of the selected device before starting the " \
 160     "stream.")
 161 #define TUNER_TEXT N_("Tuner properties")
 162 #define TUNER_LONGTEXT N_( \
 163     "Show the tuner properties [channel selection] page." )
 164 #define CHANNEL_TEXT N_("Tuner TV Channel")
 165 #define CHANNEL_LONGTEXT N_( \
 166     "Set the TV channel the tuner will set to " \
 167     "(0 means default)." )
 168 #define TVFREQ_TEXT N_("Tuner Frequency")
 169 #define TVFREQ_LONGTEXT N_(  "This overrides the channel. Measured in Hz." )
 170 #define STANDARD_TEXT N_( "Standard" )
 171 #define STANDARD_LONGTEXT N_( "Video standard (Default, SECAM_D, PAL_B, NTSC_M, etc...)." )
 172 #define COUNTRY_TEXT N_("Tuner country code")
 173 #define COUNTRY_LONGTEXT N_( \
 174     "Set the tuner country code that establishes the current " \
 175     "channel-to-frequency mapping (0 means default)." )
 176 #define TUNER_INPUT_TEXT N_("Tuner input type")
 177 #define TUNER_INPUT_LONGTEXT N_( \
 178     "Select the tuner input type (Cable/Antenna)." )
 179 #define VIDEO_IN_TEXT N_("Video input pin")
 180 #define VIDEO_IN_LONGTEXT N_( \
 181   "Select the video input source, such as composite, s-video, " \
 182   "or tuner. Since these settings are hardware-specific, you should find good " \
 183   "settings in the \"Device config\" area, and use those numbers here. -1 " \
 184   "means that settings will not be changed.")
 185 #define AUDIO_IN_TEXT N_("Audio input pin")
 186 #define AUDIO_IN_LONGTEXT N_( \
 187   "Select the audio input source. See the \"video input\" option." )
 188 #define VIDEO_OUT_TEXT N_("Video output pin")
 189 #define VIDEO_OUT_LONGTEXT N_( \
 190   "Select the video output type. See the \"video input\" option." )
 191 #define AUDIO_OUT_TEXT N_("Audio output pin")
 192 #define AUDIO_OUT_LONGTEXT N_( \
 193   "Select the audio output type. See the \"video input\" option." )
 194
 195 #define AMTUNER_MODE_TEXT N_("AM Tuner mode")
 196 #define AMTUNER_MODE_LONGTEXT N_( \
 197     "AM Tuner mode. Can be one of Default (0), TV (1)," \
 198      "AM Radio (2), FM Radio (3) or DSS (4).")
 199
 200 #define AUDIO_CHANNELS_TEXT N_("Number of audio channels")
 201 #define AUDIO_CHANNELS_LONGTEXT N_( \
 202     "Select audio input format with the given number of audio channels (if non 0)" )
 203
 204 #define AUDIO_SAMPLERATE_TEXT N_("Audio sample rate")
 205 #define AUDIO_SAMPLERATE_LONGTEXT N_( \
 206     "Select audio input format with the given sample rate (if non 0)" )
 207
 208 #define AUDIO_BITSPERSAMPLE_TEXT N_("Audio bits per sample")
 209 #define AUDIO_BITSPERSAMPLE_LONGTEXT N_( \
 210     "Select audio input format with the given bits/sample (if non 0)" )
 211
 212 static int  CommonOpen ( vlc_object_t *, access_sys_t *, bool );
 213 static void CommonClose( vlc_object_t *, access_sys_t * );
 214
 215 static int  AccessOpen ( vlc_object_t * );
 216 static void AccessClose( vlc_object_t * );
 217
 218 static int  DemuxOpen  ( vlc_object_t * );
 219 static void DemuxClose ( vlc_object_t * );
 220
 221 vlc_module_begin ()
 222     set_shortname( N_("DirectShow") )
 223     set_description( N_("DirectShow input") )
 224     set_category( CAT_INPUT )
 225     set_subcategory( SUBCAT_INPUT_ACCESS )
 226     add_integer( CFG_PREFIX "caching", (mtime_t)(0.2*CLOCK_FREQ) / 1000, NULL,
 227                  CACHING_TEXT, CACHING_LONGTEXT, true )
 228
 229     add_string( CFG_PREFIX "vdev", NULL, NULL, VDEV_TEXT, VDEV_LONGTEXT, false)
 230         change_string_list( ppsz_vdev, ppsz_vdev_text, FindDevicesCallback )
 231         change_action_add( FindDevicesCallback, N_("Refresh list") )
 232         change_action_add( ConfigDevicesCallback, N_("Configure") )
 233
 234     add_string( CFG_PREFIX "adev", NULL, NULL, ADEV_TEXT, ADEV_LONGTEXT, false)
 235         change_string_list( ppsz_adev, ppsz_adev_text, FindDevicesCallback )
 236         change_action_add( FindDevicesCallback, N_("Refresh list") )
 237         change_action_add( ConfigDevicesCallback, N_("Configure") )
 238
 239     add_string( CFG_PREFIX "size", NULL, NULL, SIZE_TEXT, SIZE_LONGTEXT, false)
 240
 241     add_string( CFG_PREFIX "aspect-ratio", "4:3", NULL, ASPECT_TEXT, ASPECT_LONGTEXT, false)
 242
 243     add_string( CFG_PREFIX "chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT, true )
 244
 245     add_float( CFG_PREFIX "fps", 0.0f, NULL, FPS_TEXT, FPS_LONGTEXT, true )
 246
 247     add_bool( CFG_PREFIX "config", false, NULL, CONFIG_TEXT, CONFIG_LONGTEXT, true )
 248
 249     add_bool( CFG_PREFIX "tuner", false, NULL, TUNER_TEXT, TUNER_LONGTEXT, true )
 250
 251     add_integer( CFG_PREFIX "tuner-channel", 0, NULL, CHANNEL_TEXT, CHANNEL_LONGTEXT,
 252                 true )
 253
 254     add_integer( CFG_PREFIX "tuner-frequency", 0, NULL, TVFREQ_TEXT, TVFREQ_LONGTEXT,
 255                 true )
 256
 257     add_integer( CFG_PREFIX "tuner-country", 0, NULL, COUNTRY_TEXT, COUNTRY_LONGTEXT,
 258                 true )
 259
 260     add_integer( CFG_PREFIX "tuner-standard", 0, NULL, STANDARD_TEXT, STANDARD_LONGTEXT,
 261                 false )
 262         change_integer_list( i_standards_list, ppsz_standards_list_text, NULL )
 263
 264     add_integer( CFG_PREFIX "tuner-input", 0, NULL, TUNER_INPUT_TEXT,
 265                  TUNER_INPUT_LONGTEXT, true )
 266         change_integer_list( pi_tuner_input, ppsz_tuner_input_text, NULL )
 267
 268     add_integer( CFG_PREFIX "video-input",  -1, NULL, VIDEO_IN_TEXT,
 269                  VIDEO_IN_LONGTEXT, true )
 270
 271     add_integer( CFG_PREFIX "video-output", -1, NULL, VIDEO_OUT_TEXT,
 272                  VIDEO_OUT_LONGTEXT, true )
 273
 274     add_integer( CFG_PREFIX "audio-input",  -1, NULL, AUDIO_IN_TEXT,
 275                  AUDIO_IN_LONGTEXT, true )
 276
 277     add_integer( CFG_PREFIX "audio-output", -1, NULL, AUDIO_OUT_TEXT,
 278                  AUDIO_OUT_LONGTEXT, true )
 279
 280     add_integer( CFG_PREFIX "amtuner-mode", AMTUNER_MODE_TV, NULL,
 281                 AMTUNER_MODE_TEXT, AMTUNER_MODE_LONGTEXT, false)
 282         change_integer_list( pi_amtuner_mode, ppsz_amtuner_mode_text, NULL )
 283
 284     add_integer( CFG_PREFIX "audio-channels", 0, NULL, AUDIO_CHANNELS_TEXT,
 285                  AUDIO_CHANNELS_LONGTEXT, true )
 286     add_integer( CFG_PREFIX "audio-samplerate", 0, NULL, AUDIO_SAMPLERATE_TEXT,
 287                  AUDIO_SAMPLERATE_LONGTEXT, true )
 288     add_integer( CFG_PREFIX "audio-bitspersample", 0, NULL, AUDIO_BITSPERSAMPLE_TEXT,
 289                  AUDIO_BITSPERSAMPLE_LONGTEXT, true )
 290
 291     add_shortcut( "dshow" )
 292     set_capability( "access_demux", 0 )
 293     set_callbacks( DemuxOpen, DemuxClose )
 294
 295     add_submodule ()
 296     set_description( N_("DirectShow input") )
 297     add_shortcut( "dshow" )
 298     set_capability( "access", 0 )
 299     set_callbacks( AccessOpen, AccessClose )
 300
 301 vlc_module_end ()
 302
 303
 304 /*****************************************************************************
 305  * DirectShow elementary stream descriptor
 306  *****************************************************************************/
 307 typedef struct dshow_stream_t
 308 {
 309     string          devicename;
 310     IBaseFilter     *p_device_filter;
 311     CaptureFilter   *p_capture_filter;
 312     AM_MEDIA_TYPE   mt;
 313
 314     union
 315     {
 316       VIDEOINFOHEADER video;
 317       WAVEFORMATEX    audio;
 318
 319     } header;
 320
 321     int             i_fourcc;
 322     es_out_id_t     *p_es;
 323
 324     bool      b_pts;
 325
 326     deque<VLCMediaSample> samples_queue;
 327 } dshow_stream_t;
 328
 329 /*****************************************************************************
 330  * DirectShow utility functions
 331  *****************************************************************************/
 332 static void CreateDirectShowGraph( access_sys_t *p_sys )
 333 {
 334     p_sys->i_crossbar_route_depth = 0;
 335
 336     /* Create directshow filter graph */
 337     if( SUCCEEDED( CoCreateInstance( CLSID_FilterGraph, 0, CLSCTX_INPROC,
 338                        (REFIID)IID_IFilterGraph, (void **)&p_sys->p_graph) ) )
 339     {
 340         /* Create directshow capture graph builder if available */
 341         if( SUCCEEDED( CoCreateInstance( CLSID_CaptureGraphBuilder2, 0,
 342                          CLSCTX_INPROC, (REFIID)IID_ICaptureGraphBuilder2,
 343                          (void **)&p_sys->p_capture_graph_builder2 ) ) )
 344         {
 345             p_sys->p_capture_graph_builder2->
 346                 SetFiltergraph((IGraphBuilder *)p_sys->p_graph);
 347         }
 348
 349         p_sys->p_graph->QueryInterface( IID_IMediaControl,
 350                                         (void **)&p_sys->p_control );
 351     }
 352 }
 353
 354 static void DeleteDirectShowGraph( access_sys_t *p_sys )
 355 {
 356     DeleteCrossbarRoutes( p_sys );
 357
 358     /* Remove filters from graph */
 359     for( int i = 0; i < p_sys->i_streams; i++ )
 360     {
 361         p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_capture_filter );
 362         p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_device_filter );
 363         p_sys->pp_streams[i]->p_capture_filter->Release();
 364         p_sys->pp_streams[i]->p_device_filter->Release();
 365     }
 366
 367     /* Release directshow objects */
 368     if( p_sys->p_control )
 369     {
 370         p_sys->p_control->Release();
 371         p_sys->p_control = NULL;
 372     }
 373     if( p_sys->p_capture_graph_builder2 )
 374     {
 375         p_sys->p_capture_graph_builder2->Release();
 376         p_sys->p_capture_graph_builder2 = NULL;
 377     }
 378
 379     if( p_sys->p_graph )
 380     {
 381         p_sys->p_graph->Release();
 382         p_sys->p_graph = NULL;
 383     }
 384 }
 385
 386 /*****************************************************************************
 387  * CommonOpen: open direct show device
 388  *****************************************************************************/
 389 static int CommonOpen( vlc_object_t *p_this, access_sys_t *p_sys,
 390                        bool b_access_demux )
 391 {
 392     char *psz_val;
 393
 394     /* Get/parse options and open device(s) */
 395     string vdevname, adevname;
 396     int i_width = 0, i_height = 0;
 397     vlc_fourcc_t i_chroma = 0;
 398     bool b_use_audio = true;
 399     bool b_use_video = true;
 400
 401     /* Initialize OLE/COM */
 402     CoInitialize( 0 );
 403
 404     var_Create( p_this,  CFG_PREFIX "config", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 405     var_Create( p_this,  CFG_PREFIX "tuner", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 406     psz_val = var_CreateGetString( p_this, CFG_PREFIX "vdev" );
 407     if( psz_val )
 408     {
 409         msg_Dbg( p_this, "dshow-vdev: %s", psz_val ) ;
 410         /* skip none device */
 411         if ( strncasecmp( psz_val, "none", 4 ) != 0 )
 412             vdevname = string( psz_val );
 413         else
 414             b_use_video = false ;
 415     }
 416     free( psz_val );
 417
 418     psz_val = var_CreateGetString( p_this, CFG_PREFIX "adev" );
 419     if( psz_val )
 420     {
 421         msg_Dbg( p_this, "dshow-adev: %s", psz_val ) ;
 422         /* skip none device */
 423         if ( strncasecmp( psz_val, "none", 4 ) != 0 )
 424             adevname = string( psz_val );
 425         else
 426             b_use_audio = false ;
 427     }
 428     free( psz_val );
 429
 430     /* DShow Size */
 431     static struct {
 432         const char *psz_size;
 433         int  i_width;
 434         int  i_height;
 435     } size_table[] =
 436     { { "subqcif", 128, 96  },
 437       {    "qsif", 160, 120 },
 438       {    "qcif", 176, 144 },
 439       {     "sif", 320, 240 },
 440       {     "cif", 352, 288 },
 441       {      "d1", 640, 480 },
 442       { 0, 0, 0 },
 443     };
 444
 445     psz_val = var_CreateGetString( p_this, CFG_PREFIX "size" );
 446     if( !EMPTY_STR(psz_val) )
 447     {
 448         int i;
 449         for( i = 0; size_table[i].psz_size; i++ )
 450         {
 451             if( !strcmp( psz_val, size_table[i].psz_size ) )
 452             {
 453                 i_width = size_table[i].i_width;
 454                 i_height = size_table[i].i_height;
 455                 break;
 456             }
 457         }
 458         if( !size_table[i].psz_size ) /* Try to parse "WidthxHeight" */
 459         {
 460             char *psz_parser;
 461             i_width = strtol( psz_val, &psz_parser, 0 );
 462             if( *psz_parser == 'x' || *psz_parser == 'X')
 463             {
 464                 i_height = strtol( psz_parser + 1, &psz_parser, 0 );
 465             }
 466             msg_Dbg( p_this, "width x height %dx%d", i_width, i_height );
 467         }
 468     }
 469     free( psz_val );
 470
 471     /* Chroma */
 472     psz_val = var_CreateGetString( p_this, CFG_PREFIX "chroma" );
 473     i_chroma = vlc_fourcc_GetCodecFromString( UNKNOWN_ES, psz_val );
 474     p_sys->b_chroma = i_chroma != 0;
 475     free( psz_val );
 476
 477     var_Create( p_this, CFG_PREFIX "fps", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
 478     var_Create( p_this, CFG_PREFIX "tuner-channel",
 479                 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 480     var_Create( p_this, CFG_PREFIX "tuner-frequency",
 481                 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 482     var_Create( p_this, CFG_PREFIX "tuner-standard",
 483                 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 484     var_Create( p_this, CFG_PREFIX "tuner-country",
 485                 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 486     var_Create( p_this, CFG_PREFIX "tuner-input",
 487                 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 488
 489     var_Create( p_this, CFG_PREFIX "amtuner-mode",
 490                 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 491
 492     var_Create( p_this, CFG_PREFIX "caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 493
 494     var_Create( p_this, CFG_PREFIX "video-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 495     var_Create( p_this, CFG_PREFIX "audio-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 496     var_Create( p_this, CFG_PREFIX "video-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 497     var_Create( p_this, CFG_PREFIX "audio-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 498
 499
 500     /* Initialize some data */
 501     p_sys->i_streams = 0;
 502     p_sys->pp_streams = NULL;
 503     p_sys->i_width = i_width;
 504     p_sys->i_height = i_height;
 505     p_sys->i_chroma = i_chroma;
 506
 507     p_sys->p_graph = NULL;
 508     p_sys->p_capture_graph_builder2 = NULL;
 509     p_sys->p_control = NULL;
 510
 511     /* Build directshow graph */
 512     CreateDirectShowGraph( p_sys );
 513
 514     vlc_mutex_init( &p_sys->lock );
 515     vlc_cond_init( &p_sys->wait );
 516
 517     if( !b_use_video && !b_use_audio )
 518     {
 519         dialog_Fatal( p_this, _("Capture failed"),
 520                         _("No video or audio device selected.") );
 521         return VLC_EGENERIC ;
 522     }
 523
 524     if( !b_use_video )
 525         msg_Dbg( p_this, "skipping video device" ) ;
 526     bool b_err_video = false ;
 527
 528     if( b_use_video && OpenDevice( p_this, p_sys, vdevname, 0 ) != VLC_SUCCESS )
 529     {
 530         msg_Err( p_this, "can't open video device");
 531         b_err_video = true ;
 532     }
 533
 534     if ( b_use_video && !b_err_video )
 535     {
 536         /* Check if we can handle the demuxing ourselves or need to spawn
 537          * a demuxer module */
 538         dshow_stream_t *p_stream = p_sys->pp_streams[p_sys->i_streams-1];
 539
 540         if( p_stream->mt.majortype == MEDIATYPE_Video )
 541         {
 542             if( /* Raw DV stream */
 543                 p_stream->i_fourcc == VLC_CODEC_DV ||
 544                 /* Raw MPEG video stream */
 545                 p_stream->i_fourcc == VLC_CODEC_MPGV )
 546             {
 547                 b_use_audio = false;
 548
 549                 if( b_access_demux )
 550                 {
 551                     /* Let the access (only) take care of that */
 552                     return VLC_EGENERIC;
 553                 }
 554             }
 555         }
 556
 557         if( p_stream->mt.majortype == MEDIATYPE_Stream )
 558         {
 559             b_use_audio = false;
 560
 561             if( b_access_demux )
 562             {
 563                 /* Let the access (only) take care of that */
 564                 return VLC_EGENERIC;
 565             }
 566
 567             if( var_GetBool( p_this, CFG_PREFIX "tuner" ) )
 568             {
 569                 /* FIXME: we do MEDIATYPE_Stream here so we don't do
 570                  * it twice. */
 571                 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
 572                                      p_stream->p_device_filter, 0 );
 573             }
 574         }
 575     }
 576
 577     if( !b_use_audio )
 578         msg_Dbg( p_this, "skipping audio device") ;
 579
 580     bool b_err_audio = false ;
 581
 582     if( b_use_audio && OpenDevice( p_this, p_sys, adevname, 1 ) != VLC_SUCCESS )
 583     {
 584         msg_Err( p_this, "can't open audio device");
 585         b_err_audio = true ;
 586     }
 587
 588     if( ( b_use_video && b_err_video && b_use_audio && b_err_audio ) ||
 589         ( !b_use_video && b_use_audio && b_err_audio ) ||
 590         ( b_use_video && !b_use_audio && b_err_video ) )
 591     {
 592         msg_Err( p_this, "FATAL: could not open ANY device" ) ;
 593         dialog_Fatal( p_this,  _("Capture failed"),
 594                         _("VLC cannot open ANY capture device."
 595                           "Check the error log for details.") );
 596         return VLC_EGENERIC ;
 597     }
 598
 599     for( int i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
 600     {
 601         int i_val = var_GetInteger( p_this, CFG_PREFIX "video-input" );
 602         if( i_val >= 0 )
 603             p_sys->crossbar_routes[i].VideoInputIndex = i_val;
 604         i_val = var_GetInteger( p_this, CFG_PREFIX "video-output" );
 605         if( i_val >= 0 )
 606             p_sys->crossbar_routes[i].VideoOutputIndex = i_val;
 607         i_val = var_GetInteger( p_this, CFG_PREFIX "audio-input" );
 608         if( i_val >= 0 )
 609             p_sys->crossbar_routes[i].AudioInputIndex = i_val;
 610         i_val = var_GetInteger( p_this, CFG_PREFIX "audio-output" );
 611         if( i_val >= 0 )
 612             p_sys->crossbar_routes[i].AudioOutputIndex = i_val;
 613
 614         IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
 615         LONG VideoInputIndex = p_sys->crossbar_routes[i].VideoInputIndex;
 616         LONG VideoOutputIndex = p_sys->crossbar_routes[i].VideoOutputIndex;
 617         LONG AudioInputIndex = p_sys->crossbar_routes[i].AudioInputIndex;
 618         LONG AudioOutputIndex = p_sys->crossbar_routes[i].AudioOutputIndex;
 619
 620         if( SUCCEEDED(pXbar->Route(VideoOutputIndex, VideoInputIndex)) )
 621         {
 622             msg_Dbg( p_this, "crossbar at depth %d, routed video "
 623                      "output %ld to video input %ld", i, VideoOutputIndex,
 624                      VideoInputIndex );
 625
 626             if( AudioOutputIndex != -1 && AudioInputIndex != -1 )
 627             {
 628                 if( SUCCEEDED( pXbar->Route(AudioOutputIndex,
 629                                             AudioInputIndex)) )
 630                 {
 631                     msg_Dbg(p_this, "crossbar at depth %d, routed audio "
 632                             "output %ld to audio input %ld", i,
 633                             AudioOutputIndex, AudioInputIndex );
 634                 }
 635             }
 636         }
 637         else
 638             msg_Err( p_this, "crossbar at depth %d could not route video "
 639                      "output %ld to input %ld", i, VideoOutputIndex, VideoInputIndex );
 640     }
 641
 642     /*
 643     ** Show properties pages from other filters in graph
 644     */
 645     if( var_GetBool( p_this, CFG_PREFIX "config" ) )
 646     {
 647         for( int i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
 648         {
 649             IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
 650             IBaseFilter *p_XF;
 651
 652             if( SUCCEEDED( pXbar->QueryInterface( IID_IBaseFilter,
 653                                                   (void **)&p_XF ) ) )
 654             {
 655                 ShowPropertyPage( p_XF );
 656                 p_XF->Release();
 657             }
 658         }
 659     }
 660
 661     /* Initialize some data */
 662     p_sys->i_current_stream = 0;
 663
 664     if( !p_sys->i_streams ) return VLC_EGENERIC;
 665
 666     return VLC_SUCCESS;
 667 }
 668
 669 /*****************************************************************************
 670  * DemuxOpen: open direct show device as an access_demux module
 671  *****************************************************************************/
 672 static int DemuxOpen( vlc_object_t *p_this )
 673 {
 674     demux_t      *p_demux = (demux_t *)p_this;
 675     access_sys_t *p_sys;
 676
 677     p_sys = (access_sys_t*)calloc( 1, sizeof( access_sys_t ) );
 678     if( !p_sys )
 679         return VLC_ENOMEM;
 680     p_demux->p_sys = (demux_sys_t *)p_sys;
 681
 682     if( CommonOpen( p_this, p_sys, true ) != VLC_SUCCESS )
 683     {
 684         CommonClose( p_this, p_sys );
 685         return VLC_EGENERIC;
 686     }
 687
 688     /* Everything is ready. Let's rock baby */
 689     msg_Dbg( p_this, "Playing...");
 690     p_sys->p_control->Run();
 691
 692     p_demux->pf_demux   = Demux;
 693     p_demux->pf_control = DemuxControl;
 694     p_demux->info.i_update = 0;
 695     p_demux->info.i_title = 0;
 696     p_demux->info.i_seekpoint = 0;
 697
 698     for( int i = 0; i < p_sys->i_streams; i++ )
 699     {
 700         dshow_stream_t *p_stream = p_sys->pp_streams[i];
 701         es_format_t fmt;
 702
 703         if( p_stream->mt.majortype == MEDIATYPE_Video )
 704         {
 705             char *psz_aspect = var_CreateGetString( p_this, CFG_PREFIX "aspect-ratio" );
 706             char *psz_delim = !EMPTY_STR( psz_aspect ) ? strchr( psz_aspect, ':' ) : NULL;
 707
 708             es_format_Init( &fmt, VIDEO_ES, p_stream->i_fourcc );
 709
 710             fmt.video.i_width  = p_stream->header.video.bmiHeader.biWidth;
 711             fmt.video.i_height = p_stream->header.video.bmiHeader.biHeight;
 712
 713             if( psz_delim )
 714             {
 715                 fmt.video.i_sar_num = atoi( psz_aspect ) * fmt.video.i_height;
 716                 fmt.video.i_sar_den = atoi( psz_delim + 1 ) * fmt.video.i_width;
 717             }
 718             else
 719             {
 720                 fmt.video.i_sar_num = 4 * fmt.video.i_height;
 721                 fmt.video.i_sar_den = 3 * fmt.video.i_width;
 722             }
 723             free( psz_aspect );
 724
 725             if( !p_stream->header.video.bmiHeader.biCompression )
 726             {
 727                 /* RGB DIB are coded from bottom to top */
 728                 fmt.video.i_height = (unsigned int)(-(int)fmt.video.i_height);
 729             }
 730
 731             /* Setup rgb mask for RGB formats */
 732             if( p_stream->i_fourcc == VLC_CODEC_RGB24 )
 733             {
 734                 /* This is in RGB format
 735             http://msdn.microsoft.com/en-us/library/dd407253%28VS.85%29.aspx?ppud=4
 736                  */
 737                 fmt.video.i_rmask = 0x00ff0000;
 738                 fmt.video.i_gmask = 0x0000ff00;
 739                 fmt.video.i_bmask = 0x000000ff;
 740             }
 741
 742             if( p_stream->header.video.AvgTimePerFrame )
 743             {
 744                 fmt.video.i_frame_rate = 10000000;
 745                 fmt.video.i_frame_rate_base =
 746                     p_stream->header.video.AvgTimePerFrame;
 747             }
 748         }
 749         else if( p_stream->mt.majortype == MEDIATYPE_Audio )
 750         {
 751             es_format_Init( &fmt, AUDIO_ES, p_stream->i_fourcc );
 752
 753             fmt.audio.i_channels = p_stream->header.audio.nChannels;
 754             fmt.audio.i_rate = p_stream->header.audio.nSamplesPerSec;
 755             fmt.audio.i_bitspersample = p_stream->header.audio.wBitsPerSample;
 756             fmt.audio.i_blockalign = fmt.audio.i_channels *
 757                 fmt.audio.i_bitspersample / 8;
 758             fmt.i_bitrate = fmt.audio.i_channels * fmt.audio.i_rate *
 759                 fmt.audio.i_bitspersample;
 760         }
 761
 762         p_stream->p_es = es_out_Add( p_demux->out, &fmt );
 763     }
 764
 765     return VLC_SUCCESS;
 766 }
 767
 768 /*****************************************************************************
 769  * AccessOpen: open direct show device as an access module
 770  *****************************************************************************/
 771 static int AccessOpen( vlc_object_t *p_this )
 772 {
 773     access_t     *p_access = (access_t*)p_this;
 774     access_sys_t *p_sys;
 775
 776     p_access->p_sys = p_sys = (access_sys_t*)calloc( 1, sizeof( access_sys_t ) );
 777     if( !p_sys )
 778         return VLC_ENOMEM;
 779
 780     if( CommonOpen( p_this, p_sys, false ) != VLC_SUCCESS )
 781     {
 782         CommonClose( p_this, p_sys );
 783         return VLC_EGENERIC;
 784     }
 785
 786     dshow_stream_t *p_stream = p_sys->pp_streams[0];
 787
 788     /* Check if we need to force demuxers */
 789     if( !p_access->psz_demux || !*p_access->psz_demux )
 790     {
 791         if( p_stream->i_fourcc == VLC_CODEC_DV )
 792         {
 793             free( p_access->psz_demux );
 794             p_access->psz_demux = strdup( "rawdv" );
 795         }
 796         else if( p_stream->i_fourcc == VLC_CODEC_MPGV )
 797         {
 798             free( p_access->psz_demux );
 799             p_access->psz_demux = strdup( "mpgv" );
 800         }
 801     }
 802
 803     /* Setup Access */
 804     p_access->pf_read = NULL;
 805     p_access->pf_block = ReadCompressed;
 806     p_access->pf_control = AccessControl;
 807     p_access->pf_seek = NULL;
 808     p_access->info.i_update = 0;
 809     p_access->info.i_size = 0;
 810     p_access->info.i_pos = 0;
 811     p_access->info.b_eof = false;
 812     p_access->info.i_title = 0;
 813     p_access->info.i_seekpoint = 0;
 814     p_access->p_sys = p_sys;
 815
 816     /* Everything is ready. Let's rock baby */
 817     msg_Dbg( p_this, "Playing...");
 818     p_sys->p_control->Run();
 819
 820     return VLC_SUCCESS;
 821 }
 822
 823 /*****************************************************************************
 824  * CommonClose: close device
 825  *****************************************************************************/
 826 static void CommonClose( vlc_object_t *p_this, access_sys_t *p_sys )
 827 {
 828     msg_Dbg( p_this, "releasing DirectShow");
 829
 830     DeleteDirectShowGraph( p_sys );
 831
 832     /* Uninitialize OLE/COM */
 833     CoUninitialize();
 834
 835     for( int i = 0; i < p_sys->i_streams; i++ ) delete p_sys->pp_streams[i];
 836     if( p_sys->i_streams ) free( p_sys->pp_streams );
 837
 838     vlc_mutex_destroy( &p_sys->lock );
 839     vlc_cond_destroy( &p_sys->wait );
 840
 841     free( p_sys );
 842 }
 843
 844 /*****************************************************************************
 845  * AccessClose: close device
 846  *****************************************************************************/
 847 static void AccessClose( vlc_object_t *p_this )
 848 {
 849     access_t     *p_access = (access_t *)p_this;
 850     access_sys_t *p_sys    = p_access->p_sys;
 851
 852     /* Stop capturing stuff */
 853     p_sys->p_control->Stop();
 854
 855     CommonClose( p_this, p_sys );
 856 }
 857
 858 /*****************************************************************************
 859  * DemuxClose: close device
 860  *****************************************************************************/
 861 static void DemuxClose( vlc_object_t *p_this )
 862 {
 863     demux_t      *p_demux = (demux_t *)p_this;
 864     access_sys_t *p_sys   = (access_sys_t *)p_demux->p_sys;
 865
 866     /* Stop capturing stuff */
 867     p_sys->p_control->Stop();
 868
 869     CommonClose( p_this, p_sys );
 870 }
 871
 872 /****************************************************************************
 873  * ConnectFilters
 874  ****************************************************************************/
 875 static bool ConnectFilters( vlc_object_t *p_this, access_sys_t *p_sys,
 876                             IBaseFilter *p_filter,
 877                             CaptureFilter *p_capture_filter )
 878 {
 879     CapturePin *p_input_pin = p_capture_filter->CustomGetPin();
 880
 881     AM_MEDIA_TYPE mediaType = p_input_pin->CustomGetMediaType();
 882
 883     if( p_sys->p_capture_graph_builder2 )
 884     {
 885         if( FAILED(p_sys->p_capture_graph_builder2->
 886                 RenderStream( &PIN_CATEGORY_CAPTURE, &mediaType.majortype,
 887                               p_filter, 0, (IBaseFilter *)p_capture_filter )) )
 888         {
 889             return false;
 890         }
 891
 892         // Sort out all the possible video inputs
 893         // The class needs to be given the capture filters ANALOGVIDEO input pin
 894         IEnumPins *pins = NULL;
 895         if( ( mediaType.majortype == MEDIATYPE_Video ||
 896               mediaType.majortype == MEDIATYPE_Stream ) &&
 897             SUCCEEDED(p_filter->EnumPins(&pins)) )
 898         {
 899             IPin        *pP = NULL;
 900             ULONG        n;
 901             PIN_INFO     pinInfo;
 902             BOOL         Found = FALSE;
 903             IKsPropertySet *pKs = NULL;
 904             GUID guid;
 905             DWORD dw;
 906
 907             while( !Found && ( S_OK == pins->Next(1, &pP, &n) ) )
 908             {
 909                 if( S_OK == pP->QueryPinInfo(&pinInfo) )
 910                 {
 911                     // is this pin an ANALOGVIDEOIN input pin?
 912                     if( pinInfo.dir == PINDIR_INPUT &&
 913                         pP->QueryInterface( IID_IKsPropertySet,
 914                                             (void **)&pKs ) == S_OK )
 915                     {
 916                         if( pKs->Get( AMPROPSETID_Pin,
 917                                       AMPROPERTY_PIN_CATEGORY, NULL, 0,
 918                                       &guid, sizeof(GUID), &dw ) == S_OK )
 919                         {
 920                             if( guid == PIN_CATEGORY_ANALOGVIDEOIN )
 921                             {
 922                                 // recursively search crossbar routes
 923                                 FindCrossbarRoutes( p_this, p_sys, pP, 0 );
 924                                 // found it
 925                                 Found = TRUE;
 926                             }
 927                         }
 928                         pKs->Release();
 929                     }
 930                     pinInfo.pFilter->Release();
 931                 }
 932                 pP->Release();
 933             }
 934             pins->Release();
 935             msg_Dbg( p_this, "ConnectFilters: graph_builder2 available.") ;
 936             if ( !Found )
 937                 msg_Warn( p_this, "ConnectFilters: No crossBar routes found (incobatible pin types)" ) ;
 938         }
 939         return true;
 940     }
 941     else
 942     {
 943         IEnumPins *p_enumpins;
 944         IPin *p_pin;
 945
 946         if( S_OK != p_filter->EnumPins( &p_enumpins ) ) return false;
 947
 948         while( S_OK == p_enumpins->Next( 1, &p_pin, NULL ) )
 949         {
 950             PIN_DIRECTION pin_dir;
 951             p_pin->QueryDirection( &pin_dir );
 952
 953             if( pin_dir == PINDIR_OUTPUT &&
 954                 p_sys->p_graph->ConnectDirect( p_pin, (IPin *)p_input_pin,
 955                                                0 ) == S_OK )
 956             {
 957                 p_pin->Release();
 958                 p_enumpins->Release();
 959                 return true;
 960             }
 961             p_pin->Release();
 962         }
 963
 964         p_enumpins->Release();
 965         return false;
 966     }
 967 }
 968
 969 /*
 970  * get fourcc priority from arbritary preference, the higher the better
 971  */
 972 static int GetFourCCPriority( int i_fourcc )
 973 {
 974     switch( i_fourcc )
 975     {
 976     case VLC_CODEC_I420:
 977     case VLC_CODEC_FL32:
 978         return 9;
 979     case VLC_CODEC_YV12:
 980     case VLC_FOURCC('a','r','a','w'):
 981         return 8;
 982     case VLC_CODEC_RGB24:
 983         return 7;
 984     case VLC_CODEC_YUYV:
 985     case VLC_CODEC_RGB32:
 986     case VLC_CODEC_RGBA:
 987         return 6;
 988     }
 989
 990     return 0;
 991 }
 992
 993 #define MAX_MEDIA_TYPES 32
 994
 995 static int OpenDevice( vlc_object_t *p_this, access_sys_t *p_sys,
 996                        string devicename, bool b_audio )
 997 {
 998     /* See if device is already opened */
 999     for( int i = 0; i < p_sys->i_streams; i++ )
1000     {
1001         if( devicename.size() &&
1002             p_sys->pp_streams[i]->devicename == devicename )
1003         {
1004             /* Already opened */
1005             return VLC_SUCCESS;
1006         }
1007     }
1008
1009     list<string> list_devices;
1010
1011     /* Enumerate devices and display their names */
1012     FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1013     if( !list_devices.size() )
1014         return VLC_EGENERIC;
1015
1016     list<string>::iterator iter;
1017     for( iter = list_devices.begin(); iter != list_devices.end(); iter++ )
1018         msg_Dbg( p_this, "found device: %s", iter->c_str() );
1019
1020     /* If no device name was specified, pick the 1st one */
1021     if( devicename.size() == 0 )
1022     {
1023         /* When none selected */
1024         devicename = *list_devices.begin();
1025         msg_Dbg( p_this, "asking for default device: %s", devicename.c_str() ) ;
1026     }
1027     else
1028         msg_Dbg( p_this, "asking for device: %s", devicename.c_str() ) ;
1029     // Use the system device enumerator and class enumerator to find
1030     // a capture/preview device, such as a desktop USB video camera.
1031     IBaseFilter *p_device_filter =
1032         FindCaptureDevice( p_this, &devicename, NULL, b_audio );
1033
1034     if( p_device_filter )
1035         msg_Dbg( p_this, "using device: %s", devicename.c_str() );
1036     else
1037     {
1038         msg_Err( p_this, "can't use device: %s, unsupported device type",
1039                  devicename.c_str() );
1040         dialog_Fatal( p_this, _("Capture failed"),
1041                         _("VLC cannot use the device \"%s\", because its "
1042                           "type is not supported."), devicename.c_str() );
1043         return VLC_EGENERIC;
1044     }
1045
1046     // Retreive acceptable media types supported by device
1047     AM_MEDIA_TYPE media_types[MAX_MEDIA_TYPES];
1048     size_t media_count =
1049         EnumDeviceCaps( p_this, p_device_filter, b_audio ? 0 : p_sys->i_chroma,
1050                         p_sys->i_width, p_sys->i_height,
1051       b_audio ? var_CreateGetInteger( p_this, CFG_PREFIX "audio-channels" ) : 0,
1052       b_audio ? var_CreateGetInteger( p_this, CFG_PREFIX "audio-samplerate" ) : 0,
1053       b_audio ? var_CreateGetInteger( p_this, CFG_PREFIX "audio-bitspersample" ) : 0,
1054       media_types, MAX_MEDIA_TYPES );
1055
1056     AM_MEDIA_TYPE *mt = NULL;
1057
1058     if( media_count > 0 )
1059     {
1060         mt = (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE) * media_count);
1061
1062         // Order and copy returned media types according to arbitrary
1063         // fourcc priority
1064         for( size_t c = 0; c < media_count; c++ )
1065         {
1066             int slot_priority =
1067                 GetFourCCPriority(GetFourCCFromMediaType(media_types[c]));
1068             size_t slot_copy = c;
1069             for( size_t d = c+1; d < media_count; d++ )
1070             {
1071                 int priority =
1072                     GetFourCCPriority(GetFourCCFromMediaType(media_types[d]));
1073                 if( priority > slot_priority )
1074                 {
1075                     slot_priority = priority;
1076                     slot_copy = d;
1077                 }
1078             }
1079             if( slot_copy != c )
1080             {
1081                 mt[c] = media_types[slot_copy];
1082                 media_types[slot_copy] = media_types[c];
1083             }
1084             else
1085             {
1086                 mt[c] = media_types[c];
1087             }
1088         }
1089     }
1090     else {
1091         /* capture device */
1092         msg_Err( p_this, "capture device '%s' does not support required parameters !", devicename.c_str() );
1093         dialog_Fatal( p_this, _("Capture failed"),
1094                         _("The capture device \"%s\" does not support the "
1095                           "required parameters."), devicename.c_str() );
1096         p_device_filter->Release();
1097         return VLC_EGENERIC;
1098     }
1099
1100     /* Create and add our capture filter */
1101     CaptureFilter *p_capture_filter =
1102         new CaptureFilter( p_this, p_sys, mt, media_count );
1103     p_sys->p_graph->AddFilter( p_capture_filter, 0 );
1104
1105     /* Add the device filter to the graph (seems necessary with VfW before
1106      * accessing pin attributes). */
1107     p_sys->p_graph->AddFilter( p_device_filter, 0 );
1108
1109     /* Attempt to connect one of this device's capture output pins */
1110     msg_Dbg( p_this, "connecting filters" );
1111     if( ConnectFilters( p_this, p_sys, p_device_filter, p_capture_filter ) )
1112     {
1113         /* Success */
1114         msg_Dbg( p_this, "filters connected successfully !" );
1115
1116         dshow_stream_t dshow_stream;
1117         dshow_stream.b_pts = false;
1118         dshow_stream.p_es = 0;
1119         dshow_stream.mt =
1120             p_capture_filter->CustomGetPin()->CustomGetMediaType();
1121
1122         /* Show Device properties. Done here so the VLC stream is setup with
1123          * the proper parameters. */
1124         if( var_GetBool( p_this, CFG_PREFIX "config" ) )
1125         {
1126             ShowDeviceProperties( p_this, p_sys->p_capture_graph_builder2,
1127                                   p_device_filter, b_audio );
1128         }
1129
1130         ConfigTuner( p_this, p_sys->p_capture_graph_builder2,
1131                      p_device_filter );
1132
1133         if( var_GetBool( p_this, CFG_PREFIX "tuner" ) &&
1134             dshow_stream.mt.majortype != MEDIATYPE_Stream )
1135         {
1136             /* FIXME: we do MEDIATYPE_Stream later so we don't do it twice. */
1137             ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
1138                                  p_device_filter, b_audio );
1139         }
1140
1141         dshow_stream.mt =
1142             p_capture_filter->CustomGetPin()->CustomGetMediaType();
1143
1144         dshow_stream.i_fourcc = GetFourCCFromMediaType( dshow_stream.mt );
1145         if( dshow_stream.i_fourcc )
1146         {
1147             if( dshow_stream.mt.majortype == MEDIATYPE_Video )
1148             {
1149                 dshow_stream.header.video =
1150                     *(VIDEOINFOHEADER *)dshow_stream.mt.pbFormat;
1151                 msg_Dbg( p_this, "MEDIATYPE_Video" );
1152                 msg_Dbg( p_this, "selected video pin accepts format: %4.4s",
1153                          (char *)&dshow_stream.i_fourcc);
1154             }
1155             else if( dshow_stream.mt.majortype == MEDIATYPE_Audio )
1156             {
1157                 dshow_stream.header.audio =
1158                     *(WAVEFORMATEX *)dshow_stream.mt.pbFormat;
1159                 msg_Dbg( p_this, "MEDIATYPE_Audio" );
1160                 msg_Dbg( p_this, "selected audio pin accepts format: %4.4s",
1161                          (char *)&dshow_stream.i_fourcc);
1162             }
1163             else if( dshow_stream.mt.majortype == MEDIATYPE_Stream )
1164             {
1165                 msg_Dbg( p_this, "MEDIATYPE_Stream" );
1166                 msg_Dbg( p_this, "selected stream pin accepts format: %4.4s",
1167                          (char *)&dshow_stream.i_fourcc);
1168             }
1169             else
1170             {
1171                 msg_Dbg( p_this, "unknown stream majortype" );
1172                 goto fail;
1173             }
1174
1175             /* Add directshow elementary stream to our list */
1176             dshow_stream.p_device_filter = p_device_filter;
1177             dshow_stream.p_capture_filter = p_capture_filter;
1178
1179             p_sys->pp_streams = (dshow_stream_t **)xrealloc( p_sys->pp_streams,
1180                           sizeof(dshow_stream_t *) * (p_sys->i_streams + 1) );
1181             p_sys->pp_streams[p_sys->i_streams] = new dshow_stream_t;
1182             *p_sys->pp_streams[p_sys->i_streams++] = dshow_stream;
1183
1184             return VLC_SUCCESS;
1185         }
1186     }
1187
1188  fail:
1189     /* Remove filters from graph */
1190     p_sys->p_graph->RemoveFilter( p_device_filter );
1191     p_sys->p_graph->RemoveFilter( p_capture_filter );
1192
1193     /* Release objects */
1194     p_device_filter->Release();
1195     p_capture_filter->Release();
1196
1197     return VLC_EGENERIC;
1198 }
1199
1200 /* FindCaptureDevices:: This Function had two purposes :
1201     Returns the list of capture devices when p_listdevices != NULL
1202     Creates an IBaseFilter when p_devicename corresponds to an existing devname
1203    These actions *may* be requested whith a single call.
1204 */
1205 static IBaseFilter *
1206 FindCaptureDevice( vlc_object_t *p_this, string *p_devicename,
1207                    list<string> *p_listdevices, bool b_audio )
1208 {
1209     IBaseFilter *p_base_filter = NULL;
1210     IMoniker *p_moniker = NULL;
1211     ULONG i_fetched;
1212     HRESULT hr;
1213     list<string> devicelist;
1214
1215     /* Create the system device enumerator */
1216     ICreateDevEnum *p_dev_enum = NULL;
1217
1218     hr = CoCreateInstance( CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
1219                            IID_ICreateDevEnum, (void **)&p_dev_enum );
1220     if( FAILED(hr) )
1221     {
1222         msg_Err( p_this, "failed to create the device enumerator (0x%lx)", hr);
1223         return NULL;
1224     }
1225
1226     /* Create an enumerator for the video capture devices */
1227     IEnumMoniker *p_class_enum = NULL;
1228     if( !b_audio )
1229         hr = p_dev_enum->CreateClassEnumerator( CLSID_VideoInputDeviceCategory,
1230                                                 &p_class_enum, 0 );
1231     else
1232         hr = p_dev_enum->CreateClassEnumerator( CLSID_AudioInputDeviceCategory,
1233                                                 &p_class_enum, 0 );
1234     p_dev_enum->Release();
1235     if( FAILED(hr) )
1236     {
1237         msg_Err( p_this, "failed to create the class enumerator (0x%lx)", hr );
1238         return NULL;
1239     }
1240
1241     /* If there are no enumerators for the requested type, then
1242      * CreateClassEnumerator will succeed, but p_class_enum will be NULL */
1243     if( p_class_enum == NULL )
1244     {
1245         msg_Err( p_this, "no %s capture device was detected", ( b_audio ? "audio" : "video" ) );
1246         return NULL;
1247     }
1248
1249     /* Enumerate the devices */
1250
1251     /* Note that if the Next() call succeeds but there are no monikers,
1252      * it will return S_FALSE (which is not a failure). Therefore, we check
1253      * that the return code is S_OK instead of using SUCCEEDED() macro. */
1254
1255     while( p_class_enum->Next( 1, &p_moniker, &i_fetched ) == S_OK )
1256     {
1257         /* Getting the property page to get the device name */
1258         IPropertyBag *p_bag;
1259         hr = p_moniker->BindToStorage( 0, 0, IID_IPropertyBag,
1260                                        (void **)&p_bag );
1261         if( SUCCEEDED(hr) )
1262         {
1263             VARIANT var;
1264             var.vt = VT_BSTR;
1265             hr = p_bag->Read( L"FriendlyName", &var, NULL );
1266             p_bag->Release();
1267             if( SUCCEEDED(hr) )
1268             {
1269                 char *p_buf = FromWide( var.bstrVal );
1270                 string devname = string(p_buf);
1271                 free( p_buf) ;
1272
1273                 int dup = 0;
1274                 /* find out if this name is already used by a previously found device */
1275                 list<string>::const_iterator iter = devicelist.begin();
1276                 list<string>::const_iterator end = devicelist.end();
1277                 string ordevname = devname ;
1278                 while ( iter != end )
1279                 {
1280                     if( 0 == (*iter).compare( devname ) )
1281                     { /* devname is on the list. Try another name with sequence
1282                          number apended and then rescan until a unique entry is found*/
1283                          char seq[16];
1284                          snprintf(seq, 16, " #%d", ++dup);
1285                          devname = ordevname + seq;
1286                          iter = devicelist.begin();
1287                     }
1288                     else
1289                          ++iter;
1290                 }
1291                 devicelist.push_back( devname );
1292
1293                 if( p_devicename && *p_devicename == devname )
1294                 {
1295                     msg_Dbg( p_this, "asked for %s, binding to %s", p_devicename->c_str() , devname.c_str() ) ;
1296                     /* NULL possibly means we don't need BindMoniker BindCtx ?? */
1297                     hr = p_moniker->BindToObject( NULL, 0, IID_IBaseFilter,
1298                                                   (void **)&p_base_filter );
1299                     if( FAILED(hr) )
1300                     {
1301                         msg_Err( p_this, "couldn't bind moniker to filter "
1302                                  "object (0x%lx)", hr );
1303                         p_moniker->Release();
1304                         p_class_enum->Release();
1305                         return NULL;
1306                     }
1307                     p_moniker->Release();
1308                     p_class_enum->Release();
1309                     return p_base_filter;
1310                 }
1311             }
1312         }
1313
1314         p_moniker->Release();
1315     }
1316
1317     p_class_enum->Release();
1318
1319     if( p_listdevices ) {
1320         devicelist.sort();
1321         *p_listdevices = devicelist;
1322     }
1323     return NULL;
1324 }
1325
1326 static size_t EnumDeviceCaps( vlc_object_t *p_this, IBaseFilter *p_filter,
1327                               int i_fourcc, int i_width, int i_height,
1328                               int i_channels, int i_samplespersec,
1329                               int i_bitspersample, AM_MEDIA_TYPE *mt,
1330                               size_t mt_max )
1331 {
1332     IEnumPins *p_enumpins;
1333     IPin *p_output_pin;
1334     IEnumMediaTypes *p_enummt;
1335     size_t mt_count = 0;
1336
1337     LONGLONG i_AvgTimePerFrame = 0;
1338     float r_fps = var_GetFloat( p_this, CFG_PREFIX "fps" );
1339     if( r_fps )
1340         i_AvgTimePerFrame = 10000000000LL/(LONGLONG)(r_fps*1000.0f);
1341
1342     if( FAILED(p_filter->EnumPins( &p_enumpins )) )
1343     {
1344         msg_Dbg( p_this, "EnumDeviceCaps failed: no pin enumeration !");
1345         return 0;
1346     }
1347
1348     while( S_OK == p_enumpins->Next( 1, &p_output_pin, NULL ) )
1349     {
1350         PIN_INFO info;
1351
1352         if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1353         {
1354             msg_Dbg( p_this, "EnumDeviceCaps: %s pin: %S",
1355                      info.dir == PINDIR_INPUT ? "input" : "output",
1356                      info.achName );
1357             if( info.pFilter ) info.pFilter->Release();
1358         }
1359
1360         p_output_pin->Release();
1361     }
1362
1363     p_enumpins->Reset();
1364
1365     while( !mt_count && p_enumpins->Next( 1, &p_output_pin, NULL ) == S_OK )
1366     {
1367         PIN_INFO info;
1368
1369         if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1370         {
1371             if( info.pFilter ) info.pFilter->Release();
1372             if( info.dir == PINDIR_INPUT )
1373             {
1374                 p_output_pin->Release();
1375                 continue;
1376             }
1377             msg_Dbg( p_this, "EnumDeviceCaps: trying pin %S", info.achName );
1378         }
1379
1380         AM_MEDIA_TYPE *p_mt;
1381
1382         /*
1383         ** Configure pin with a default compatible media if possible
1384         */
1385
1386         IAMStreamConfig *pSC;
1387         if( SUCCEEDED(p_output_pin->QueryInterface( IID_IAMStreamConfig,
1388                                             (void **)&pSC )) )
1389         {
1390             int piCount, piSize;
1391             if( SUCCEEDED(pSC->GetNumberOfCapabilities(&piCount, &piSize)) )
1392             {
1393                 BYTE *pSCC= (BYTE *)CoTaskMemAlloc(piSize);
1394                 if( NULL != pSCC )
1395                 {
1396                     int i_priority = -1;
1397                     for( int i=0; i<piCount; ++i )
1398                     {
1399                         if( SUCCEEDED(pSC->GetStreamCaps(i, &p_mt, pSCC)) )
1400                         {
1401                             int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1402                             int i_current_priority = GetFourCCPriority(i_current_fourcc);
1403
1404                             if( (i_fourcc && (i_current_fourcc != i_fourcc))
1405                              || (i_priority > i_current_priority) )
1406                             {
1407                                 // unwanted chroma, try next media type
1408                                 FreeMediaType( *p_mt );
1409                                 CoTaskMemFree( (PVOID)p_mt );
1410                                 continue;
1411                             }
1412
1413                             if( MEDIATYPE_Video == p_mt->majortype
1414                                     && FORMAT_VideoInfo == p_mt->formattype )
1415                             {
1416                                 VIDEO_STREAM_CONFIG_CAPS *pVSCC = reinterpret_cast<VIDEO_STREAM_CONFIG_CAPS*>(pSCC);
1417                                 VIDEOINFOHEADER *pVih = reinterpret_cast<VIDEOINFOHEADER*>(p_mt->pbFormat);
1418
1419                                 if( i_AvgTimePerFrame )
1420                                 {
1421                                     if( pVSCC->MinFrameInterval > i_AvgTimePerFrame
1422                                       || i_AvgTimePerFrame > pVSCC->MaxFrameInterval )
1423                                     {
1424                                         // required frame rate not compatible, try next media type
1425                                         FreeMediaType( *p_mt );
1426                                         CoTaskMemFree( (PVOID)p_mt );
1427                                         continue;
1428                                     }
1429                                     pVih->AvgTimePerFrame = i_AvgTimePerFrame;
1430                                 }
1431
1432                                 if( i_width )
1433                                 {
1434                                     if((   !pVSCC->OutputGranularityX
1435                                            && i_width != pVSCC->MinOutputSize.cx
1436                                            && i_width != pVSCC->MaxOutputSize.cx)
1437                                        ||
1438                                        (   pVSCC->OutputGranularityX
1439                                            && ((i_width % pVSCC->OutputGranularityX)
1440                                                || pVSCC->MinOutputSize.cx > i_width
1441                                                || i_width > pVSCC->MaxOutputSize.cx )))
1442                                     {
1443                                         // required width not compatible, try next media type
1444                                         FreeMediaType( *p_mt );
1445                                         CoTaskMemFree( (PVOID)p_mt );
1446                                         continue;
1447                                     }
1448                                     pVih->bmiHeader.biWidth = i_width;
1449                                 }
1450
1451                                 if( i_height )
1452                                 {
1453                                     if((   !pVSCC->OutputGranularityY
1454                                            && i_height != pVSCC->MinOutputSize.cy
1455                                            && i_height != pVSCC->MaxOutputSize.cy)
1456                                        ||
1457                                        (   pVSCC->OutputGranularityY
1458                                            && ((i_height % pVSCC->OutputGranularityY)
1459                                                || pVSCC->MinOutputSize.cy > i_height
1460                                                || i_height > pVSCC->MaxOutputSize.cy )))
1461                                     {
1462                                         // required height not compatible, try next media type
1463                                         FreeMediaType( *p_mt );
1464                                         CoTaskMemFree( (PVOID)p_mt );
1465                                         continue;
1466                                     }
1467                                     pVih->bmiHeader.biHeight = i_height;
1468                                 }
1469
1470                                 // Set the sample size and image size.
1471                                 // (Round the image width up to a DWORD boundary.)
1472                                 p_mt->lSampleSize = pVih->bmiHeader.biSizeImage =
1473                                     ((pVih->bmiHeader.biWidth + 3) & ~3) *
1474                                     pVih->bmiHeader.biHeight * (pVih->bmiHeader.biBitCount>>3);
1475
1476                                 // no cropping, use full video input buffer
1477                                 memset(&(pVih->rcSource), 0, sizeof(RECT));
1478                                 memset(&(pVih->rcTarget), 0, sizeof(RECT));
1479
1480                                 // select this format as default
1481                                 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1482                                 {
1483                                     i_priority = i_current_priority;
1484                                     if( i_fourcc )
1485                                         // no need to check any more media types
1486                                         i = piCount;
1487                                 }
1488                             }
1489                             else if( p_mt->majortype == MEDIATYPE_Audio
1490                                     && p_mt->formattype == FORMAT_WaveFormatEx )
1491                             {
1492                                 AUDIO_STREAM_CONFIG_CAPS *pASCC = reinterpret_cast<AUDIO_STREAM_CONFIG_CAPS*>(pSCC);
1493                                 WAVEFORMATEX *pWfx = reinterpret_cast<WAVEFORMATEX*>(p_mt->pbFormat);
1494
1495                                 if( i_current_fourcc && (WAVE_FORMAT_PCM == pWfx->wFormatTag) )
1496                                 {
1497                                     int val = i_channels;
1498                                     if( ! val )
1499                                         val = 2;
1500
1501                                     if( (   !pASCC->ChannelsGranularity
1502                                             && (unsigned int)val != pASCC->MinimumChannels
1503                                             && (unsigned int)val != pASCC->MaximumChannels)
1504                                         ||
1505                                         (   pASCC->ChannelsGranularity
1506                                             && ((val % pASCC->ChannelsGranularity)
1507                                                 || (unsigned int)val < pASCC->MinimumChannels
1508                                                 || (unsigned int)val > pASCC->MaximumChannels)))
1509                                     {
1510                                         // required number channels not available, try next media type
1511                                         FreeMediaType( *p_mt );
1512                                         CoTaskMemFree( (PVOID)p_mt );
1513                                         continue;
1514                                     }
1515                                     pWfx->nChannels = val;
1516
1517                                     val = i_samplespersec;
1518                                     if( ! val )
1519                                         val = 44100;
1520
1521                                     if( (   !pASCC->SampleFrequencyGranularity
1522                                             && (unsigned int)val != pASCC->MinimumSampleFrequency
1523                                             && (unsigned int)val != pASCC->MaximumSampleFrequency)
1524                                         ||
1525                                         (   pASCC->SampleFrequencyGranularity
1526                                             && ((val % pASCC->SampleFrequencyGranularity)
1527                                                 || (unsigned int)val < pASCC->MinimumSampleFrequency
1528                                                 || (unsigned int)val > pASCC->MaximumSampleFrequency )))
1529                                     {
1530                                         // required sampling rate not available, try next media type
1531                                         FreeMediaType( *p_mt );
1532                                         CoTaskMemFree( (PVOID)p_mt );
1533                                         continue;
1534                                     }
1535                                     pWfx->nSamplesPerSec = val;
1536
1537                                     val = i_bitspersample;
1538                                     if( ! val )
1539                                     {
1540                                         if( VLC_CODEC_FL32 == i_current_fourcc )
1541                                             val = 32;
1542                                         else
1543                                             val = 16;
1544                                     }
1545
1546                                     if( (   !pASCC->BitsPerSampleGranularity
1547                                             && (unsigned int)val != pASCC->MinimumBitsPerSample
1548                                             && (unsigned int)val != pASCC->MaximumBitsPerSample )
1549                                         ||
1550                                         (   pASCC->BitsPerSampleGranularity
1551                                             && ((val % pASCC->BitsPerSampleGranularity)
1552                                                 || (unsigned int)val < pASCC->MinimumBitsPerSample
1553                                                 || (unsigned int)val > pASCC->MaximumBitsPerSample )))
1554                                     {
1555                                         // required sample size not available, try next media type
1556                                         FreeMediaType( *p_mt );
1557                                         CoTaskMemFree( (PVOID)p_mt );
1558                                         continue;
1559                                     }
1560
1561                                     pWfx->wBitsPerSample = val;
1562                                     pWfx->nBlockAlign = (pWfx->wBitsPerSample * pWfx->nChannels)/8;
1563                                     pWfx->nAvgBytesPerSec = pWfx->nSamplesPerSec * pWfx->nBlockAlign;
1564
1565                                     // select this format as default
1566                                     if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1567                                     {
1568                                         i_priority = i_current_priority;
1569                                     }
1570                                 }
1571                             }
1572                             FreeMediaType( *p_mt );
1573                             CoTaskMemFree( (PVOID)p_mt );
1574                         }
1575                     }
1576                     CoTaskMemFree( (LPVOID)pSCC );
1577                     if( i_priority >= 0 )
1578                         msg_Dbg( p_this, "EnumDeviceCaps: input pin default format configured");
1579                 }
1580             }
1581             pSC->Release();
1582         }
1583
1584         /*
1585         ** Probe pin for available medias (may be a previously configured one)
1586         */
1587
1588         if( FAILED( p_output_pin->EnumMediaTypes( &p_enummt ) ) )
1589         {
1590             p_output_pin->Release();
1591             continue;
1592         }
1593
1594         while( p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1595         {
1596             int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1597             if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Video
1598                 && p_mt->formattype == FORMAT_VideoInfo )
1599             {
1600                 int i_current_width = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1601                 int i_current_height = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1602                 LONGLONG i_current_atpf = ((VIDEOINFOHEADER *)p_mt->pbFormat)->AvgTimePerFrame;
1603
1604                 if( i_current_height < 0 )
1605                     i_current_height = -i_current_height;
1606
1607                 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1608                          "accepts chroma: %4.4s, width:%i, height:%i, fps:%f",
1609                          (char *)&i_current_fourcc, i_current_width,
1610                          i_current_height, (10000000.0f/((float)i_current_atpf)) );
1611
1612                 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1613                     ( !i_width || i_width == i_current_width ) &&
1614                     ( !i_height || i_height == i_current_height ) &&
1615                     ( !i_AvgTimePerFrame || i_AvgTimePerFrame == i_current_atpf ) &&
1616                     mt_count < mt_max )
1617                 {
1618                     /* Pick match */
1619                     mt[mt_count++] = *p_mt;
1620                 }
1621                 else FreeMediaType( *p_mt );
1622             }
1623             else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Audio
1624                     && p_mt->formattype == FORMAT_WaveFormatEx)
1625             {
1626                 int i_current_channels =
1627                     ((WAVEFORMATEX *)p_mt->pbFormat)->nChannels;
1628                 int i_current_samplespersec =
1629                     ((WAVEFORMATEX *)p_mt->pbFormat)->nSamplesPerSec;
1630                 int i_current_bitspersample =
1631                     ((WAVEFORMATEX *)p_mt->pbFormat)->wBitsPerSample;
1632
1633                 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1634                          "accepts format: %4.4s, channels:%i, "
1635                          "samples/sec:%i bits/sample:%i",
1636                          (char *)&i_current_fourcc, i_current_channels,
1637                          i_current_samplespersec, i_current_bitspersample);
1638
1639                 if( (!i_channels || i_channels == i_current_channels) &&
1640                     (!i_samplespersec ||
1641                      i_samplespersec == i_current_samplespersec) &&
1642                     (!i_bitspersample ||
1643                      i_bitspersample == i_current_bitspersample) &&
1644                     mt_count < mt_max )
1645                 {
1646                     /* Pick  match */
1647                     mt[mt_count++] = *p_mt;
1648
1649                     /* Setup a few properties like the audio latency */
1650                     IAMBufferNegotiation *p_ambuf;
1651                     if( SUCCEEDED( p_output_pin->QueryInterface(
1652                           IID_IAMBufferNegotiation, (void **)&p_ambuf ) ) )
1653                     {
1654                         ALLOCATOR_PROPERTIES AllocProp;
1655                         AllocProp.cbAlign = -1;
1656
1657                         /* 100 ms of latency */
1658                         AllocProp.cbBuffer = i_current_channels *
1659                           i_current_samplespersec *
1660                           i_current_bitspersample / 8 / 10;
1661
1662                         AllocProp.cbPrefix = -1;
1663                         AllocProp.cBuffers = -1;
1664                         p_ambuf->SuggestAllocatorProperties( &AllocProp );
1665                         p_ambuf->Release();
1666                     }
1667                 }
1668                 else FreeMediaType( *p_mt );
1669             }
1670             else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Stream )
1671             {
1672                 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1673                          "accepts stream format: %4.4s",
1674                          (char *)&i_current_fourcc );
1675
1676                 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1677                     mt_count < mt_max )
1678                 {
1679                     /* Pick match */
1680                     mt[mt_count++] = *p_mt;
1681                     i_fourcc = i_current_fourcc;
1682                 }
1683                 else FreeMediaType( *p_mt );
1684             }
1685             else
1686             {
1687                 const char * psz_type = "unknown";
1688                 if( p_mt->majortype == MEDIATYPE_Video ) psz_type = "video";
1689                 if( p_mt->majortype == MEDIATYPE_Audio ) psz_type = "audio";
1690                 if( p_mt->majortype == MEDIATYPE_Stream ) psz_type = "stream";
1691                 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: unsupported format "
1692                          "(%s %4.4s)", psz_type, (char *)&p_mt->subtype );
1693
1694                 FreeMediaType( *p_mt );
1695             }
1696             CoTaskMemFree( (PVOID)p_mt );
1697         }
1698
1699         if( !mt_count && p_enummt->Reset() == S_OK )
1700         {
1701             // VLC did not find any supported MEDIATYPE for this output pin.
1702             // However the graph builder might insert converter filters in
1703             // the graph if we use a different codec in VLC filter input pin.
1704             // however, in order to avoid nasty surprises, make use of this
1705             // facility only for known unsupported codecs.
1706
1707             while( !mt_count && p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1708             {
1709                 // the first four bytes of subtype GUID contains the codec FOURCC
1710                 const char *pfcc = (char *)&p_mt->subtype;
1711                 int i_current_fourcc = VLC_FOURCC(pfcc[0], pfcc[1], pfcc[2], pfcc[3]);
1712                 if( VLC_FOURCC('H','C','W','2') == i_current_fourcc
1713                  && p_mt->majortype == MEDIATYPE_Video )
1714                 {
1715                     // output format for 'Hauppauge WinTV PVR PCI II Capture'
1716                     // try I420 as an input format
1717                     i_current_fourcc = VLC_CODEC_I420;
1718                     if( !i_fourcc || i_fourcc == i_current_fourcc )
1719                     {
1720                         // return alternative media type
1721                         AM_MEDIA_TYPE mtr;
1722                         VIDEOINFOHEADER vh;
1723
1724                         mtr.majortype            = MEDIATYPE_Video;
1725                         mtr.subtype              = MEDIASUBTYPE_I420;
1726                         mtr.bFixedSizeSamples    = TRUE;
1727                         mtr.bTemporalCompression = FALSE;
1728                         mtr.pUnk                 = NULL;
1729                         mtr.formattype           = FORMAT_VideoInfo;
1730                         mtr.cbFormat             = sizeof(vh);
1731                         mtr.pbFormat             = (BYTE *)&vh;
1732
1733                         memset(&vh, 0, sizeof(vh));
1734
1735                         vh.bmiHeader.biSize   = sizeof(vh.bmiHeader);
1736                         vh.bmiHeader.biWidth  = i_width > 0 ? i_width :
1737                             ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1738                         vh.bmiHeader.biHeight = i_height > 0 ? i_height :
1739                             ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1740                         vh.bmiHeader.biPlanes      = 3;
1741                         vh.bmiHeader.biBitCount    = 12;
1742                         vh.bmiHeader.biCompression = VLC_CODEC_I420;
1743                         vh.bmiHeader.biSizeImage   = vh.bmiHeader.biWidth * 12 *
1744                             vh.bmiHeader.biHeight / 8;
1745                         mtr.lSampleSize            = vh.bmiHeader.biSizeImage;
1746
1747                         msg_Dbg( p_this, "EnumDeviceCaps: input pin media: using 'I420' in place of unsupported format 'HCW2'");
1748
1749                         if( SUCCEEDED(CopyMediaType(mt+mt_count, &mtr)) )
1750                             ++mt_count;
1751                     }
1752                 }
1753                 FreeMediaType( *p_mt );
1754             }
1755         }
1756
1757         p_enummt->Release();
1758         p_output_pin->Release();
1759     }
1760
1761     p_enumpins->Release();
1762     return mt_count;
1763 }
1764
1765 /*****************************************************************************
1766  * ReadCompressed: reads compressed (MPEG/DV) data from the device.
1767  *****************************************************************************
1768  * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
1769  * bytes.
1770  *****************************************************************************/
1771 static block_t *ReadCompressed( access_t *p_access )
1772 {
1773     access_sys_t   *p_sys = p_access->p_sys;
1774     dshow_stream_t *p_stream = NULL;
1775     VLCMediaSample sample;
1776
1777     /* Read 1 DV/MPEG frame (they contain the video and audio data) */
1778
1779     /* There must be only 1 elementary stream to produce a valid stream
1780      * of MPEG or DV data */
1781     p_stream = p_sys->pp_streams[0];
1782
1783     while( 1 )
1784     {
1785         if( !vlc_object_alive (p_access) ) return NULL;
1786
1787         /* Get new sample/frame from the elementary stream (blocking). */
1788         vlc_mutex_lock( &p_sys->lock );
1789
1790         if( p_stream->p_capture_filter->CustomGetPin()
1791               ->CustomGetSample( &sample ) != S_OK )
1792         {
1793             /* No data available. Wait until some data has arrived */
1794             vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1795             vlc_mutex_unlock( &p_sys->lock );
1796             continue;
1797         }
1798
1799         vlc_mutex_unlock( &p_sys->lock );
1800
1801         /*
1802          * We got our sample
1803          */
1804         block_t *p_block;
1805         uint8_t *p_data;
1806         int i_data_size = sample.p_sample->GetActualDataLength();
1807
1808         if( !i_data_size || !(p_block = block_New( p_access, i_data_size )) )
1809         {
1810             sample.p_sample->Release();
1811             continue;
1812         }
1813
1814         sample.p_sample->GetPointer( &p_data );
1815         vlc_memcpy( p_block->p_buffer, p_data, i_data_size );
1816         sample.p_sample->Release();
1817
1818         /* The caller got what he wanted */
1819         return p_block;
1820     }
1821
1822     return NULL; /* never reached */
1823 }
1824
1825 /****************************************************************************
1826  * Demux:
1827  ****************************************************************************/
1828 static int Demux( demux_t *p_demux )
1829 {
1830     access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
1831     int i_found_samples;
1832
1833     i_found_samples = 0;
1834     vlc_mutex_lock( &p_sys->lock );
1835
1836     while ( !i_found_samples )
1837     {
1838         /* Try to grab samples from all streams */
1839         for( int i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1840         {
1841             dshow_stream_t *p_stream = p_sys->pp_streams[i_stream];
1842             if( p_stream->p_capture_filter &&
1843                 p_stream->p_capture_filter->CustomGetPin()
1844                 ->CustomGetSamples( p_stream->samples_queue ) == S_OK )
1845             {
1846                 i_found_samples = 1;
1847             }
1848         }
1849
1850         if ( !i_found_samples)
1851         {
1852             /* Didn't find any audio nor video sample, just wait till the
1853              * dshow thread pushes some samples */
1854             vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1855             /* Some DShow thread pushed data, or the OS broke the wait all
1856              * by itself. In all cases, it's *strongly* advised to test the
1857              * condition again, so let the loop do the test again */
1858         }
1859     }
1860
1861     vlc_mutex_unlock( &p_sys->lock );
1862
1863     for ( int i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1864     {
1865         int i_samples;
1866         dshow_stream_t *p_stream = p_sys->pp_streams[i_stream];
1867
1868         i_samples = p_stream->samples_queue.size();
1869         while ( i_samples > 0 )
1870         {
1871             int i_data_size;
1872             uint8_t *p_data;
1873             block_t *p_block;
1874             VLCMediaSample sample;
1875
1876             sample = p_stream->samples_queue.front();
1877             p_stream->samples_queue.pop_front();
1878
1879             i_data_size = sample.p_sample->GetActualDataLength();
1880             sample.p_sample->GetPointer( &p_data );
1881
1882             REFERENCE_TIME i_pts, i_end_date;
1883             HRESULT hr = sample.p_sample->GetTime( &i_pts, &i_end_date );
1884             if( hr != VFW_S_NO_STOP_TIME && hr != S_OK ) i_pts = 0;
1885
1886             if( !i_pts )
1887             {
1888                 if( p_stream->mt.majortype == MEDIATYPE_Video || !p_stream->b_pts )
1889                 {
1890                     /* Use our data timestamp */
1891                     i_pts = sample.i_timestamp;
1892                     p_stream->b_pts = true;
1893                 }
1894             }
1895
1896             i_pts /= 10; /* Dshow works with 100 nano-seconds resolution */
1897
1898 #if 0
1899             msg_Dbg( p_demux, "Read() stream: %i, size: %i, PTS: %"PRId64,
1900                      i_stream, i_data_size, i_pts );
1901 #endif
1902
1903             p_block = block_New( p_demux, i_data_size );
1904             vlc_memcpy( p_block->p_buffer, p_data, i_data_size );
1905             p_block->i_pts = p_block->i_dts = i_pts;
1906             sample.p_sample->Release();
1907
1908             es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_pts > 0 ? i_pts : 0 );
1909             es_out_Send( p_demux->out, p_stream->p_es, p_block );
1910
1911             i_samples--;
1912         }
1913     }
1914
1915     return 1;
1916 }
1917
1918 /*****************************************************************************
1919  * AccessControl:
1920  *****************************************************************************/
1921 static int AccessControl( access_t *p_access, int i_query, va_list args )
1922 {
1923     bool    *pb_bool;
1924     int64_t *pi_64;
1925
1926     switch( i_query )
1927     {
1928     /* */
1929     case ACCESS_CAN_SEEK:
1930     case ACCESS_CAN_FASTSEEK:
1931     case ACCESS_CAN_PAUSE:
1932     case ACCESS_CAN_CONTROL_PACE:
1933         pb_bool = (bool*)va_arg( args, bool* );
1934         *pb_bool = false;
1935         break;
1936
1937     /* */
1938     case ACCESS_GET_PTS_DELAY:
1939         pi_64 = (int64_t*)va_arg( args, int64_t * );
1940         *pi_64 = var_GetInteger( p_access, CFG_PREFIX "caching" ) * 1000;
1941         break;
1942
1943     /* */
1944     case ACCESS_SET_PAUSE_STATE:
1945     case ACCESS_GET_TITLE_INFO:
1946     case ACCESS_SET_TITLE:
1947     case ACCESS_SET_SEEKPOINT:
1948     case ACCESS_SET_PRIVATE_ID_STATE:
1949         return VLC_EGENERIC;
1950
1951     default:
1952         msg_Warn( p_access, "unimplemented query in control" );
1953         return VLC_EGENERIC;
1954     }
1955
1956     return VLC_SUCCESS;
1957 }
1958
1959 /****************************************************************************
1960  * DemuxControl:
1961  ****************************************************************************/
1962 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
1963 {
1964     bool    *pb;
1965     int64_t *pi64;
1966
1967     switch( i_query )
1968     {
1969     /* Special for access_demux */
1970     case DEMUX_CAN_PAUSE:
1971     case DEMUX_CAN_SEEK:
1972     case DEMUX_SET_PAUSE_STATE:
1973     case DEMUX_CAN_CONTROL_PACE:
1974         pb = (bool*)va_arg( args, bool * );
1975         *pb = false;
1976         return VLC_SUCCESS;
1977
1978     case DEMUX_GET_PTS_DELAY:
1979         pi64 = (int64_t*)va_arg( args, int64_t * );
1980         *pi64 = var_GetInteger( p_demux, CFG_PREFIX "caching" ) * 1000;
1981         return VLC_SUCCESS;
1982
1983     case DEMUX_GET_TIME:
1984         pi64 = (int64_t*)va_arg( args, int64_t * );
1985         *pi64 = mdate();
1986         return VLC_SUCCESS;
1987
1988     /* TODO implement others */
1989     default:
1990         return VLC_EGENERIC;
1991     }
1992
1993     return VLC_EGENERIC;
1994 }
1995
1996 /*****************************************************************************
1997  * config variable callback
1998  *****************************************************************************/
1999 static int FindDevicesCallback( vlc_object_t *p_this, char const *psz_name,
2000                                vlc_value_t newval, vlc_value_t oldval, void * )
2001 {
2002     module_config_t *p_item;
2003     bool b_audio = false;
2004     int i;
2005
2006     p_item = config_FindConfig( p_this, psz_name );
2007     if( !p_item ) return VLC_SUCCESS;
2008
2009     if( !strcmp( psz_name, CFG_PREFIX "adev" ) ) b_audio = true;
2010
2011     /* Clear-up the current list */
2012     if( p_item->i_list )
2013     {
2014         /* Keep the 2 first entries */
2015         for( i = 2; i < p_item->i_list; i++ )
2016         {
2017             free( const_cast<char *>(p_item->ppsz_list[i]) );
2018             free( const_cast<char *>(p_item->ppsz_list_text[i]) );
2019         }
2020         /* TODO: Remove when no more needed */
2021         p_item->ppsz_list[i] = NULL;
2022         p_item->ppsz_list_text[i] = NULL;
2023     }
2024     p_item->i_list = 2;
2025
2026     /* Find list of devices */
2027     list<string> list_devices;
2028
2029     /* Initialize OLE/COM */
2030     CoInitialize( 0 );
2031
2032     FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
2033
2034     /* Uninitialize OLE/COM */
2035     CoUninitialize();
2036
2037     if( list_devices.empty() ) return VLC_SUCCESS;
2038
2039     p_item->ppsz_list = (char**)xrealloc( p_item->ppsz_list,
2040                           (list_devices.size()+3) * sizeof(char *) );
2041     p_item->ppsz_list_text = (char**)xrealloc( p_item->ppsz_list_text,
2042                           (list_devices.size()+3) * sizeof(char *) );
2043
2044     list<string>::iterator iter;
2045     for( iter = list_devices.begin(), i = 2; iter != list_devices.end();
2046          iter++, i++ )
2047     {
2048         p_item->ppsz_list[i] = strdup( iter->c_str() );
2049         p_item->ppsz_list_text[i] = NULL;
2050         p_item->i_list++;
2051     }
2052     p_item->ppsz_list[i] = NULL;
2053     p_item->ppsz_list_text[i] = NULL;
2054
2055     /* Signal change to the interface */
2056     p_item->b_dirty = true;
2057
2058     return VLC_SUCCESS;
2059 }
2060
2061 static int ConfigDevicesCallback( vlc_object_t *p_this, char const *psz_name,
2062                                vlc_value_t newval, vlc_value_t oldval, void * )
2063 {
2064     module_config_t *p_item;
2065     bool b_audio = false;
2066     char *psz_device = NULL;
2067     int i_ret = VLC_SUCCESS;
2068
2069     if( !EMPTY_STR( newval.psz_string ) )
2070         psz_device = strdup( newval.psz_string );
2071
2072     /* Initialize OLE/COM */
2073     CoInitialize( 0 );
2074
2075     p_item = config_FindConfig( p_this, psz_name );
2076
2077     if( !p_item )
2078     {
2079         free( psz_device );
2080         CoUninitialize();
2081         return VLC_SUCCESS;
2082     }
2083
2084     if( !strcmp( psz_name, CFG_PREFIX "adev" ) ) b_audio = true;
2085
2086     string devicename;
2087
2088     if( psz_device )
2089     {
2090         devicename = psz_device ;
2091     }
2092     else
2093     {
2094         /* If no device name was specified, pick the 1st one */
2095         list<string> list_devices;
2096
2097         /* Enumerate devices */
2098         FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
2099         if( list_devices.empty() )
2100         {
2101             CoUninitialize();
2102             return VLC_EGENERIC;
2103         }
2104         devicename = *list_devices.begin();
2105     }
2106
2107     IBaseFilter *p_device_filter =
2108         FindCaptureDevice( p_this, &devicename, NULL, b_audio );
2109     if( p_device_filter )
2110     {
2111         ShowPropertyPage( p_device_filter );
2112         p_device_filter->Release();
2113     }
2114     else
2115     {
2116         msg_Err( p_this, "didn't find device: %s", devicename.c_str() );
2117         i_ret = VLC_EGENERIC;
2118     }
2119
2120     /* Uninitialize OLE/COM */
2121     CoUninitialize();
2122
2123     free( psz_device );
2124     return i_ret;
2125 }
2126
2127 /*****************************************************************************
2128  * Properties
2129  *****************************************************************************/
2130
2131 static void ShowPropertyPage( IUnknown *obj )
2132 {
2133     ISpecifyPropertyPages *p_spec;
2134     CAUUID cauuid;
2135
2136     HRESULT hr = obj->QueryInterface( IID_ISpecifyPropertyPages,
2137                                       (void **)&p_spec );
2138     if( FAILED(hr) ) return;
2139
2140     if( SUCCEEDED(p_spec->GetPages( &cauuid )) )
2141     {
2142         if( cauuid.cElems > 0 )
2143         {
2144             HWND hwnd_desktop = ::GetDesktopWindow();
2145
2146             OleCreatePropertyFrame( hwnd_desktop, 30, 30, NULL, 1, &obj,
2147                                     cauuid.cElems, cauuid.pElems, 0, 0, NULL );
2148
2149             CoTaskMemFree( cauuid.pElems );
2150         }
2151         p_spec->Release();
2152     }
2153 }
2154
2155 static void ShowDeviceProperties( vlc_object_t *p_this,
2156                                   ICaptureGraphBuilder2 *p_graph,
2157                                   IBaseFilter *p_device_filter,
2158                                   bool b_audio )
2159 {
2160     HRESULT hr;
2161     msg_Dbg( p_this, "configuring Device Properties" );
2162
2163     /*
2164      * Video or audio capture filter page
2165      */
2166     ShowPropertyPage( p_device_filter );
2167
2168     /*
2169      * Audio capture pin
2170      */
2171     if( p_graph && b_audio )
2172     {
2173         IAMStreamConfig *p_SC;
2174
2175         msg_Dbg( p_this, "showing WDM Audio Configuration Pages" );
2176
2177         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2178                                      &MEDIATYPE_Audio, p_device_filter,
2179                                      IID_IAMStreamConfig, (void **)&p_SC );
2180         if( SUCCEEDED(hr) )
2181         {
2182             ShowPropertyPage(p_SC);
2183             p_SC->Release();
2184         }
2185
2186         /*
2187          * TV Audio filter
2188          */
2189         IAMTVAudio *p_TVA;
2190         HRESULT hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2191                                              &MEDIATYPE_Audio, p_device_filter,
2192                                              IID_IAMTVAudio, (void **)&p_TVA );
2193         if( SUCCEEDED(hr) )
2194         {
2195             ShowPropertyPage(p_TVA);
2196             p_TVA->Release();
2197         }
2198     }
2199
2200     /*
2201      * Video capture pin
2202      */
2203     if( p_graph && !b_audio )
2204     {
2205         IAMStreamConfig *p_SC;
2206
2207         msg_Dbg( p_this, "showing WDM Video Configuration Pages" );
2208
2209         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2210                                      &MEDIATYPE_Interleaved, p_device_filter,
2211                                      IID_IAMStreamConfig, (void **)&p_SC );
2212         if( FAILED(hr) )
2213         {
2214             hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2215                                          &MEDIATYPE_Video, p_device_filter,
2216                                          IID_IAMStreamConfig, (void **)&p_SC );
2217         }
2218
2219         if( FAILED(hr) )
2220         {
2221             hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2222                                          &MEDIATYPE_Stream, p_device_filter,
2223                                          IID_IAMStreamConfig, (void **)&p_SC );
2224         }
2225
2226         if( SUCCEEDED(hr) )
2227         {
2228             ShowPropertyPage(p_SC);
2229             p_SC->Release();
2230         }
2231     }
2232 }
2233
2234 static void ShowTunerProperties( vlc_object_t *p_this,
2235                                  ICaptureGraphBuilder2 *p_graph,
2236                                  IBaseFilter *p_device_filter,
2237                                  bool b_audio )
2238 {
2239     HRESULT hr;
2240     msg_Dbg( p_this, "configuring Tuner Properties" );
2241
2242     if( !p_graph || b_audio ) return;
2243
2244     IAMTVTuner *p_TV;
2245     hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2246                                  &MEDIATYPE_Interleaved, p_device_filter,
2247                                  IID_IAMTVTuner, (void **)&p_TV );
2248     if( FAILED(hr) )
2249     {
2250         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2251                                      &MEDIATYPE_Video, p_device_filter,
2252                                      IID_IAMTVTuner, (void **)&p_TV );
2253     }
2254
2255     if( FAILED(hr) )
2256     {
2257         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2258                                      &MEDIATYPE_Stream, p_device_filter,
2259                                      IID_IAMTVTuner, (void **)&p_TV );
2260     }
2261
2262     if( SUCCEEDED(hr) )
2263     {
2264         ShowPropertyPage(p_TV);
2265         p_TV->Release();
2266     }
2267 }
2268
2269 static void ConfigTuner( vlc_object_t *p_this, ICaptureGraphBuilder2 *p_graph,
2270                          IBaseFilter *p_device_filter )
2271 {
2272     int i_channel, i_country, i_input, i_amtuner_mode, i_standard, i_frequency;
2273     long l_modes = 0;
2274     IAMTVTuner *p_TV;
2275     HRESULT hr;
2276
2277     if( !p_graph ) return;
2278
2279     i_channel =      var_GetInteger( p_this, CFG_PREFIX "tuner-channel" );
2280     i_country =      var_GetInteger( p_this, CFG_PREFIX "tuner-country" );
2281     i_input =        var_GetInteger( p_this, CFG_PREFIX "tuner-input" );
2282     i_amtuner_mode = var_GetInteger( p_this, CFG_PREFIX "amtuner-mode" );
2283     i_frequency =    var_GetInteger( p_this, CFG_PREFIX "tuner-frequency" );
2284     i_standard =     var_GetInteger( p_this, CFG_PREFIX "tuner-standard" );
2285
2286     if( !i_channel && !i_frequency && !i_country && !i_input ) return; /* Nothing to do */
2287
2288     msg_Dbg( p_this, "tuner config: channel %i, frequency %i, country %i, input type %i, standard %s",
2289              i_channel, i_frequency, i_country, i_input, ppsz_standards_list_text[i_standard] );
2290
2291
2292     hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Interleaved,
2293                                  p_device_filter, IID_IAMTVTuner,
2294                                  (void **)&p_TV );
2295     if( FAILED(hr) )
2296     {
2297         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video,
2298                                      p_device_filter, IID_IAMTVTuner,
2299                                      (void **)&p_TV );
2300     }
2301
2302     if( FAILED(hr) )
2303     {
2304         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Stream,
2305                                      p_device_filter, IID_IAMTVTuner,
2306                                      (void **)&p_TV );
2307     }
2308
2309     if( FAILED(hr) )
2310     {
2311         msg_Dbg( p_this, "couldn't find tuner interface" );
2312         return;
2313     }
2314
2315     hr = p_TV->GetAvailableModes( &l_modes );
2316     if( SUCCEEDED(hr) && (l_modes & i_amtuner_mode) )
2317     {
2318         hr = p_TV->put_Mode( (AMTunerModeType)i_amtuner_mode );
2319     }
2320
2321     if( i_input == 1 ) p_TV->put_InputType( 0, TunerInputCable );
2322     else if( i_input == 2 ) p_TV->put_InputType( 0, TunerInputAntenna );
2323
2324     p_TV->put_CountryCode( i_country );
2325
2326     if( i_frequency <= 0 ) p_TV->put_Channel( i_channel, AMTUNER_SUBCHAN_NO_TUNE,
2327                        AMTUNER_SUBCHAN_NO_TUNE );
2328
2329     if( i_frequency > 0 || i_standard > 0) {
2330         IKsPropertySet *pKs = NULL;
2331         DWORD dw_supported = 0;
2332         KSPROPERTY_TUNER_MODE_CAPS_S ModeCaps;
2333         KSPROPERTY_TUNER_FREQUENCY_S Frequency;
2334         KSPROPERTY_TUNER_STANDARD_S Standard;
2335
2336         hr = p_TV->QueryInterface(IID_IKsPropertySet,(void **)&pKs);
2337         if (FAILED(hr))
2338         {
2339             msg_Dbg( p_this, "Couldn't QI for IKsPropertySet" );
2340             p_TV->Release();
2341             return;
2342         }
2343
2344         memset(&ModeCaps,0,sizeof(KSPROPERTY_TUNER_MODE_CAPS_S));
2345         memset(&Frequency,0,sizeof(KSPROPERTY_TUNER_FREQUENCY_S));
2346         memset(&Standard,0,sizeof(KSPROPERTY_TUNER_STANDARD_S));
2347         ModeCaps.Mode = AMTUNER_MODE_TV;
2348
2349         hr = pKs->QuerySupported(PROPSETID_TUNER,
2350                 KSPROPERTY_TUNER_MODE_CAPS,&dw_supported);
2351         if(SUCCEEDED(hr) && dw_supported&KSPROPERTY_SUPPORT_GET)
2352         {
2353             DWORD cbBytes=0;
2354             hr = pKs->Get(PROPSETID_TUNER,KSPROPERTY_TUNER_MODE_CAPS,
2355                 INSTANCEDATA_OF_PROPERTY_PTR(&ModeCaps),
2356                 INSTANCEDATA_OF_PROPERTY_SIZE(ModeCaps),
2357                 &ModeCaps,
2358                 sizeof(ModeCaps),
2359                 &cbBytes);
2360         }
2361         else
2362         {
2363             msg_Dbg( p_this, "KSPROPERTY_TUNER_MODE_CAPS not supported!" );
2364             goto free_on_error;
2365         }
2366
2367         msg_Dbg( p_this, "Frequency range supproted from %d to %d.", ModeCaps.MinFrequency, ModeCaps.MaxFrequency);
2368         msg_Dbg( p_this, "Video standards supproted by the tuner: ");
2369         for(int i = 0 ; i < ARRAY_SIZE(ppsz_standards_list_text); i++) {
2370             if(ModeCaps.StandardsSupported & i_standards_list[i])
2371                 msg_Dbg( p_this, "%s, ", ppsz_standards_list_text[i]);
2372         }
2373
2374         if(i_frequency > 0) {
2375             Frequency.Frequency=i_frequency;
2376             if(ModeCaps.Strategy==KS_TUNER_STRATEGY_DRIVER_TUNES)
2377                 Frequency.TuningFlags=KS_TUNER_TUNING_FINE;
2378             else
2379                 Frequency.TuningFlags=KS_TUNER_TUNING_EXACT;
2380
2381             if(i_frequency>=ModeCaps.MinFrequency && i_frequency<=ModeCaps.MaxFrequency)
2382             {
2383
2384                 hr = pKs->Set(PROPSETID_TUNER,
2385                     KSPROPERTY_TUNER_FREQUENCY,
2386                     INSTANCEDATA_OF_PROPERTY_PTR(&Frequency),
2387                     INSTANCEDATA_OF_PROPERTY_SIZE(Frequency),
2388                     &Frequency,
2389                     sizeof(Frequency));
2390                 if(FAILED(hr))
2391                 {
2392                     msg_Dbg( p_this, "Couldn't set KSPROPERTY_TUNER_FREQUENCY!" );
2393                     goto free_on_error;
2394                 }
2395             }
2396             else
2397             {
2398                 msg_Dbg( p_this, "Requested frequency exceeds the supported range!" );
2399                 goto free_on_error;
2400             }
2401         }
2402
2403         if(i_standard > 0) {
2404             if(i_standard & ModeCaps.StandardsSupported )
2405             {
2406                 Standard.Standard = i_standard;
2407                 hr = pKs->Set(PROPSETID_TUNER,
2408                     KSPROPERTY_TUNER_STANDARD,
2409                     INSTANCEDATA_OF_PROPERTY_PTR(&Standard),
2410                     INSTANCEDATA_OF_PROPERTY_SIZE(Standard),
2411                     &Standard,
2412                     sizeof(Standard));
2413                 if(FAILED(hr))
2414                 {
2415                     msg_Dbg( p_this, "Couldn't set KSPROPERTY_TUNER_STANDARD!" );
2416                     goto free_on_error;
2417                 }
2418             }
2419             else
2420             {
2421                 msg_Dbg( p_this, "Requested video standard is not supported by the tuner!" );
2422                 goto free_on_error;
2423             }
2424         }
2425 free_on_error:
2426         pKs->Release();
2427     }
2428
2429     p_TV->Release();
2430 }