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 #include <list>
  38 #include <string>
  39 #include <assert.h>
  40
  41 #define VLC_MODULE_LICENSE VLC_LICENSE_GPL_2_PLUS
  42 #include <vlc_common.h>
  43 #include <vlc_plugin.h>
  44 #include <vlc_access.h>
  45 #include <vlc_demux.h>
  46
  47 #include <vlc_dialog.h>      /* dialog_Fatal */
  48 #include <vlc_charset.h>     /* FromWide */
  49
  50 #include <initguid.h>
  51 #include "vlc_dshow.h"
  52
  53 #include "access.h"
  54 #include "filter.h"
  55
  56 #define INSTANCEDATA_OF_PROPERTY_PTR(x) ((PKSPROPERTY((x))) + 1)
  57 #define INSTANCEDATA_OF_PROPERTY_SIZE(x) (sizeof((x)) - sizeof(KSPROPERTY))
  58
  59 /*****************************************************************************
  60  * Access: local prototypes
  61  *****************************************************************************/
  62 static block_t *ReadCompressed( access_t * );
  63 static int AccessControl ( access_t *, int, va_list );
  64
  65 static int Demux       ( demux_t * );
  66 static int DemuxControl( demux_t *, int, va_list );
  67
  68 static int OpenDevice( vlc_object_t *, access_sys_t *, string, bool );
  69 static IBaseFilter *FindCaptureDevice( vlc_object_t *, string *,
  70                                        list<string> *, bool );
  71 static size_t EnumDeviceCaps( vlc_object_t *, IBaseFilter *,
  72                               int, int, int, int, int, int,
  73                               AM_MEDIA_TYPE *mt, size_t );
  74 static bool ConnectFilters( vlc_object_t *, access_sys_t *,
  75                             IBaseFilter *, CaptureFilter * );
  76 static int FindDevices( vlc_object_t *, const char *, char ***, char *** );
  77 static int ConfigDevicesCallback( vlc_object_t *, char const *,
  78                                   vlc_value_t, vlc_value_t, void * );
  79
  80 static void ShowPropertyPage( IUnknown * );
  81 static void ShowDeviceProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
  82                                   IBaseFilter *, bool );
  83 static void ShowTunerProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
  84                                  IBaseFilter *, bool );
  85 static void ConfigTuner( vlc_object_t *, ICaptureGraphBuilder2 *,
  86                          IBaseFilter * );
  87
  88 /*****************************************************************************
  89  * Module descriptor
  90  *****************************************************************************/
  91 static const int pi_tuner_input[] = { 0, 1, 2 };
  92 static const char *const ppsz_tuner_input_text[] =
  93     {N_("Default"), N_("Cable"), N_("Antenna")};
  94
  95 static const int pi_amtuner_mode[]  = { AMTUNER_MODE_DEFAULT,
  96                                         AMTUNER_MODE_TV,
  97                                         AMTUNER_MODE_FM_RADIO,
  98                                         AMTUNER_MODE_AM_RADIO,
  99                                         AMTUNER_MODE_DSS };
 100 static const char *const ppsz_amtuner_mode_text[] = { N_("Default"),
 101                                           N_("TV"),
 102                                           N_("FM radio"),
 103                                           N_("AM radio"),
 104                                           N_("DSS") };
 105
 106 static const int i_standards_list[] =
 107     {
 108         KS_AnalogVideo_None,
 109         KS_AnalogVideo_NTSC_M, KS_AnalogVideo_NTSC_M_J, KS_AnalogVideo_NTSC_433,
 110         KS_AnalogVideo_PAL_B, KS_AnalogVideo_PAL_D, KS_AnalogVideo_PAL_G,
 111         KS_AnalogVideo_PAL_H, KS_AnalogVideo_PAL_I, KS_AnalogVideo_PAL_M,
 112         KS_AnalogVideo_PAL_N, KS_AnalogVideo_PAL_60,
 113         KS_AnalogVideo_SECAM_B, KS_AnalogVideo_SECAM_D, KS_AnalogVideo_SECAM_G,
 114         KS_AnalogVideo_SECAM_H, KS_AnalogVideo_SECAM_K, KS_AnalogVideo_SECAM_K1,
 115         KS_AnalogVideo_SECAM_L, KS_AnalogVideo_SECAM_L1,
 116         KS_AnalogVideo_PAL_N_COMBO
 117     };
 118 static const char *const ppsz_standards_list_text[] =
 119     {
 120         N_("Default"),
 121         "NTSC_M", "NTSC_M_J", "NTSC_443",
 122         "PAL_B", "PAL_D", "PAL_G",
 123         "PAL_H", "PAL_I", "PAL_M",
 124         "PAL_N", "PAL_60",
 125         "SECAM_B", "SECAM_D", "SECAM_G",
 126         "SECAM_H", "SECAM_K", "SECAM_K1",
 127         "SECAM_L", "SECAM_L1",
 128         "PAL_N_COMBO"
 129     };
 130
 131 #define VDEV_TEXT N_("Video device name")
 132 #define VDEV_LONGTEXT N_( \
 133     "Name of the video device that will be used by the " \
 134     "DirectShow plugin. If you don't specify anything, the default device " \
 135     "will be used.")
 136 #define ADEV_TEXT N_("Audio device name")
 137 #define ADEV_LONGTEXT N_( \
 138     "Name of the audio device that will be used by the " \
 139     "DirectShow plugin. If you don't specify anything, the default device " \
 140     "will be used. ")
 141 #define SIZE_TEXT N_("Video size")
 142 #define SIZE_LONGTEXT N_( \
 143     "Size of the video that will be displayed by the " \
 144     "DirectShow plugin. If you don't specify anything the default size for " \
 145     "your device will be used. You can specify a standard size (cif, d1, ...) or <width>x<height>.")
 146 #define ASPECT_TEXT N_("Picture aspect-ratio n:m")
 147 #define ASPECT_LONGTEXT N_("Define input picture aspect-ratio to use. Default is 4:3" )
 148 #define CHROMA_TEXT N_("Video input chroma format")
 149 #define CHROMA_LONGTEXT N_( \
 150     "Force the DirectShow video input to use a specific chroma format " \
 151     "(eg. I420 (default), RV24, etc.)")
 152 #define FPS_TEXT N_("Video input frame rate")
 153 #define FPS_LONGTEXT N_( \
 154     "Force the DirectShow video input to use a specific frame rate " \
 155     "(eg. 0 means default, 25, 29.97, 50, 59.94, etc.)")
 156 #define CONFIG_TEXT N_("Device properties")
 157 #define CONFIG_LONGTEXT N_( \
 158     "Show the properties dialog of the selected device before starting the " \
 159     "stream.")
 160 #define TUNER_TEXT N_("Tuner properties")
 161 #define TUNER_LONGTEXT N_( \
 162     "Show the tuner properties [channel selection] page." )
 163 #define CHANNEL_TEXT N_("Tuner TV Channel")
 164 #define CHANNEL_LONGTEXT N_( \
 165     "Set the TV channel the tuner will set to " \
 166     "(0 means default)." )
 167 #define TVFREQ_TEXT N_("Tuner Frequency")
 168 #define TVFREQ_LONGTEXT N_(  "This overrides the channel. Measured in Hz." )
 169 #define STANDARD_TEXT N_( "Video standard" )
 170 #define COUNTRY_TEXT N_("Tuner country code")
 171 #define COUNTRY_LONGTEXT N_( \
 172     "Set the tuner country code that establishes the current " \
 173     "channel-to-frequency mapping (0 means default)." )
 174 #define TUNER_INPUT_TEXT N_("Tuner input type")
 175 #define TUNER_INPUT_LONGTEXT N_( \
 176     "Select the tuner input type (Cable/Antenna)." )
 177 #define VIDEO_IN_TEXT N_("Video input pin")
 178 #define VIDEO_IN_LONGTEXT N_( \
 179   "Select the video input source, such as composite, s-video, " \
 180   "or tuner. Since these settings are hardware-specific, you should find good " \
 181   "settings in the \"Device config\" area, and use those numbers here. -1 " \
 182   "means that settings will not be changed.")
 183 #define AUDIO_IN_TEXT N_("Audio input pin")
 184 #define AUDIO_IN_LONGTEXT N_( \
 185   "Select the audio input source. See the \"video input\" option." )
 186 #define VIDEO_OUT_TEXT N_("Video output pin")
 187 #define VIDEO_OUT_LONGTEXT N_( \
 188   "Select the video output type. See the \"video input\" option." )
 189 #define AUDIO_OUT_TEXT N_("Audio output pin")
 190 #define AUDIO_OUT_LONGTEXT N_( \
 191   "Select the audio output type. See the \"video input\" option." )
 192
 193 #define AMTUNER_MODE_TEXT N_("AM Tuner mode")
 194 #define AMTUNER_MODE_LONGTEXT N_( \
 195     "AM Tuner mode. Can be one of Default (0), TV (1)," \
 196      "AM Radio (2), FM Radio (3) or DSS (4).")
 197
 198 #define AUDIO_CHANNELS_TEXT N_("Number of audio channels")
 199 #define AUDIO_CHANNELS_LONGTEXT N_( \
 200     "Select audio input format with the given number of audio channels (if non 0)" )
 201
 202 #define AUDIO_SAMPLERATE_TEXT N_("Audio sample rate")
 203 #define AUDIO_SAMPLERATE_LONGTEXT N_( \
 204     "Select audio input format with the given sample rate (if non 0)" )
 205
 206 #define AUDIO_BITSPERSAMPLE_TEXT N_("Audio bits per sample")
 207 #define AUDIO_BITSPERSAMPLE_LONGTEXT N_( \
 208     "Select audio input format with the given bits/sample (if non 0)" )
 209
 210 static int  CommonOpen ( vlc_object_t *, access_sys_t *, bool );
 211 static void CommonClose( vlc_object_t *, access_sys_t * );
 212
 213 static int  AccessOpen ( vlc_object_t * );
 214 static void AccessClose( vlc_object_t * );
 215
 216 static int  DemuxOpen  ( vlc_object_t * );
 217 static void DemuxClose ( vlc_object_t * );
 218
 219 vlc_module_begin ()
 220     set_shortname( N_("DirectShow") )
 221     set_description( N_("DirectShow input") )
 222     set_category( CAT_INPUT )
 223     set_subcategory( SUBCAT_INPUT_ACCESS )
 224
 225     add_string( CFG_PREFIX "vdev", NULL, VDEV_TEXT, VDEV_LONGTEXT, false)
 226         change_string_cb( FindDevices )
 227         change_action_add( ConfigDevicesCallback, N_("Configure") )
 228
 229     add_string( CFG_PREFIX "adev", NULL, ADEV_TEXT, ADEV_LONGTEXT, false)
 230         change_string_cb( FindDevices )
 231         change_action_add( ConfigDevicesCallback, N_("Configure") )
 232
 233     add_string( CFG_PREFIX "size", NULL, SIZE_TEXT, SIZE_LONGTEXT, false)
 234         change_safe()
 235
 236     add_string( CFG_PREFIX "aspect-ratio", "4:3", ASPECT_TEXT, ASPECT_LONGTEXT, false)
 237         change_safe()
 238
 239     add_string( CFG_PREFIX "chroma", NULL, CHROMA_TEXT, CHROMA_LONGTEXT, true )
 240         change_safe()
 241
 242     add_float( CFG_PREFIX "fps", 0.0f, FPS_TEXT, FPS_LONGTEXT, true )
 243         change_safe()
 244
 245     add_bool( CFG_PREFIX "config", false, CONFIG_TEXT, CONFIG_LONGTEXT, true )
 246
 247     add_bool( CFG_PREFIX "tuner", false, TUNER_TEXT, TUNER_LONGTEXT, true )
 248
 249     add_integer( CFG_PREFIX "tuner-channel", 0, CHANNEL_TEXT, CHANNEL_LONGTEXT,
 250                 true )
 251         change_safe()
 252
 253     add_integer( CFG_PREFIX "tuner-frequency", 0, TVFREQ_TEXT, TVFREQ_LONGTEXT,
 254                 true )
 255         change_safe()
 256
 257     add_integer( CFG_PREFIX "tuner-country", 0, COUNTRY_TEXT, COUNTRY_LONGTEXT,
 258                 true )
 259
 260     add_integer( CFG_PREFIX "tuner-standard", 0, STANDARD_TEXT, STANDARD_TEXT,
 261                 false )
 262         change_integer_list( i_standards_list, ppsz_standards_list_text )
 263         change_safe()
 264
 265     add_integer( CFG_PREFIX "tuner-input", 0, TUNER_INPUT_TEXT,
 266                  TUNER_INPUT_LONGTEXT, true )
 267         change_integer_list( pi_tuner_input, ppsz_tuner_input_text )
 268         change_safe()
 269
 270     add_integer( CFG_PREFIX "video-input",  -1, VIDEO_IN_TEXT,
 271                  VIDEO_IN_LONGTEXT, true )
 272         change_safe()
 273
 274     add_integer( CFG_PREFIX "video-output", -1, VIDEO_OUT_TEXT,
 275                  VIDEO_OUT_LONGTEXT, true )
 276
 277     add_integer( CFG_PREFIX "audio-input",  -1, AUDIO_IN_TEXT,
 278                  AUDIO_IN_LONGTEXT, true )
 279         change_safe()
 280
 281     add_integer( CFG_PREFIX "audio-output", -1, AUDIO_OUT_TEXT,
 282                  AUDIO_OUT_LONGTEXT, true )
 283
 284     add_integer( CFG_PREFIX "amtuner-mode", AMTUNER_MODE_TV,
 285                 AMTUNER_MODE_TEXT, AMTUNER_MODE_LONGTEXT, false)
 286         change_integer_list( pi_amtuner_mode, ppsz_amtuner_mode_text )
 287         change_safe()
 288
 289     add_integer( CFG_PREFIX "audio-channels", 0, AUDIO_CHANNELS_TEXT,
 290                  AUDIO_CHANNELS_LONGTEXT, true )
 291     add_integer( CFG_PREFIX "audio-samplerate", 0, AUDIO_SAMPLERATE_TEXT,
 292                  AUDIO_SAMPLERATE_LONGTEXT, true )
 293     add_integer( CFG_PREFIX "audio-bitspersample", 0, AUDIO_BITSPERSAMPLE_TEXT,
 294                  AUDIO_BITSPERSAMPLE_LONGTEXT, true )
 295
 296     add_shortcut( "dshow" )
 297     set_capability( "access_demux", 0 )
 298     set_callbacks( DemuxOpen, DemuxClose )
 299
 300     add_submodule ()
 301     set_description( N_("DirectShow input") )
 302     add_shortcut( "dshow" )
 303     set_capability( "access", 0 )
 304     set_callbacks( AccessOpen, AccessClose )
 305
 306 vlc_module_end ()
 307
 308
 309 /*****************************************************************************
 310  * DirectShow elementary stream descriptor
 311  *****************************************************************************/
 312 typedef struct dshow_stream_t
 313 {
 314     string          devicename;
 315     IBaseFilter     *p_device_filter;
 316     CaptureFilter   *p_capture_filter;
 317     AM_MEDIA_TYPE   mt;
 318
 319     union
 320     {
 321       VIDEOINFOHEADER video;
 322       WAVEFORMATEX    audio;
 323
 324     } header;
 325
 326     int             i_fourcc;
 327     es_out_id_t     *p_es;
 328
 329     bool      b_pts;
 330
 331     deque<VLCMediaSample> samples_queue;
 332 } dshow_stream_t;
 333
 334 /*****************************************************************************
 335  * DirectShow utility functions
 336  *****************************************************************************/
 337 static void CreateDirectShowGraph( access_sys_t *p_sys )
 338 {
 339     p_sys->i_crossbar_route_depth = 0;
 340
 341     /* Create directshow filter graph */
 342     if( SUCCEEDED( CoCreateInstance( CLSID_FilterGraph, 0, CLSCTX_INPROC,
 343                        (REFIID)IID_IFilterGraph, (void **)&p_sys->p_graph) ) )
 344     {
 345         /* Create directshow capture graph builder if available */
 346         if( SUCCEEDED( CoCreateInstance( CLSID_CaptureGraphBuilder2, 0,
 347                          CLSCTX_INPROC, (REFIID)IID_ICaptureGraphBuilder2,
 348                          (void **)&p_sys->p_capture_graph_builder2 ) ) )
 349         {
 350             p_sys->p_capture_graph_builder2->
 351                 SetFiltergraph((IGraphBuilder *)p_sys->p_graph);
 352         }
 353
 354         p_sys->p_graph->QueryInterface( IID_IMediaControl,
 355                                         (void **)&p_sys->p_control );
 356     }
 357 }
 358
 359 static void DeleteDirectShowGraph( vlc_object_t *p_this, access_sys_t *p_sys )
 360 {
 361     DeleteCrossbarRoutes( p_sys );
 362
 363     /* Remove filters from graph */
 364     msg_Dbg( p_this, "DeleteDirectShowGraph: Removing filters" );
 365     for( int i = 0; i < p_sys->i_streams; i++ )
 366     {
 367         /* RemoveFilter does an undocumented Release()
 368          * but does not set item to NULL */
 369         msg_Dbg( p_this, "DeleteDirectShowGraph: Removing capture filter" );
 370         p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_capture_filter );
 371         p_sys->pp_streams[i]->p_capture_filter = NULL;
 372
 373         msg_Dbg( p_this, "DeleteDirectShowGraph: Removing device filter" );
 374         p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_device_filter );
 375         p_sys->pp_streams[i]->p_device_filter = NULL;
 376     }
 377
 378     /* Release directshow objects */
 379     if( p_sys->p_control )
 380     {
 381         p_sys->p_control->Release();
 382         p_sys->p_control = NULL;
 383     }
 384     if( p_sys->p_capture_graph_builder2 )
 385     {
 386         p_sys->p_capture_graph_builder2->Release();
 387         p_sys->p_capture_graph_builder2 = NULL;
 388     }
 389
 390     if( p_sys->p_graph )
 391     {
 392         p_sys->p_graph->Release();
 393         p_sys->p_graph = NULL;
 394     }
 395 }
 396
 397 /*****************************************************************************
 398  * CommonOpen: open direct show device
 399  *****************************************************************************/
 400 static int CommonOpen( vlc_object_t *p_this, access_sys_t *p_sys,
 401                        bool b_access_demux )
 402 {
 403     char *psz_val;
 404
 405     /* Get/parse options and open device(s) */
 406     string vdevname, adevname;
 407     int i_width = 0, i_height = 0;
 408     vlc_fourcc_t i_chroma = 0;
 409     bool b_use_audio = true;
 410     bool b_use_video = true;
 411
 412     /* Initialize OLE/COM */
 413     if( FAILED(CoInitializeEx( NULL, COINIT_APARTMENTTHREADED )) )
 414         vlc_assert_unreachable();
 415
 416     var_Create( p_this,  CFG_PREFIX "config", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 417     var_Create( p_this,  CFG_PREFIX "tuner", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 418     psz_val = var_CreateGetString( p_this, CFG_PREFIX "vdev" );
 419     if( psz_val )
 420     {
 421         msg_Dbg( p_this, "dshow-vdev: %s", psz_val ) ;
 422         /* skip none device */
 423         if ( strncasecmp( psz_val, "none", 4 ) != 0 )
 424             vdevname = string( psz_val );
 425         else
 426             b_use_video = false ;
 427     }
 428     free( psz_val );
 429
 430     psz_val = var_CreateGetString( p_this, CFG_PREFIX "adev" );
 431     if( psz_val )
 432     {
 433         msg_Dbg( p_this, "dshow-adev: %s", psz_val ) ;
 434         /* skip none device */
 435         if ( strncasecmp( psz_val, "none", 4 ) != 0 )
 436             adevname = string( psz_val );
 437         else
 438             b_use_audio = false ;
 439     }
 440     free( psz_val );
 441
 442     /* DShow Size */
 443     static struct {
 444         const char *psz_size;
 445         int  i_width;
 446         int  i_height;
 447     } size_table[] =
 448     { { "subqcif", 128, 96  },
 449       {    "qsif", 160, 120 },
 450       {    "qcif", 176, 144 },
 451       {     "sif", 320, 240 },
 452       {     "cif", 352, 288 },
 453       {      "d1", 640, 480 },
 454       { 0, 0, 0 },
 455     };
 456
 457     psz_val = var_CreateGetString( p_this, CFG_PREFIX "size" );
 458     if( !EMPTY_STR(psz_val) )
 459     {
 460         int i;
 461         for( i = 0; size_table[i].psz_size; i++ )
 462         {
 463             if( !strcmp( psz_val, size_table[i].psz_size ) )
 464             {
 465                 i_width = size_table[i].i_width;
 466                 i_height = size_table[i].i_height;
 467                 break;
 468             }
 469         }
 470         if( !size_table[i].psz_size ) /* Try to parse "WidthxHeight" */
 471         {
 472             char *psz_parser;
 473             i_width = strtol( psz_val, &psz_parser, 0 );
 474             if( *psz_parser == 'x' || *psz_parser == 'X')
 475             {
 476                 i_height = strtol( psz_parser + 1, &psz_parser, 0 );
 477             }
 478             msg_Dbg( p_this, "width x height %dx%d", i_width, i_height );
 479         }
 480     }
 481     free( psz_val );
 482
 483     /* Chroma */
 484     psz_val = var_CreateGetString( p_this, CFG_PREFIX "chroma" );
 485     i_chroma = vlc_fourcc_GetCodecFromString( UNKNOWN_ES, psz_val );
 486     p_sys->b_chroma = i_chroma != 0;
 487     free( psz_val );
 488
 489     var_Create( p_this, CFG_PREFIX "fps", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
 490     var_Create( p_this, CFG_PREFIX "tuner-channel",
 491                 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 492     var_Create( p_this, CFG_PREFIX "tuner-frequency",
 493                 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 494     var_Create( p_this, CFG_PREFIX "tuner-standard",
 495                 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 496     var_Create( p_this, CFG_PREFIX "tuner-country",
 497                 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 498     var_Create( p_this, CFG_PREFIX "tuner-input",
 499                 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 500
 501     var_Create( p_this, CFG_PREFIX "amtuner-mode",
 502                 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 503
 504     var_Create( p_this, CFG_PREFIX "video-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 505     var_Create( p_this, CFG_PREFIX "audio-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 506     var_Create( p_this, CFG_PREFIX "video-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 507     var_Create( p_this, CFG_PREFIX "audio-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 508
 509
 510     /* Initialize some data */
 511     p_sys->i_streams = 0;
 512     p_sys->pp_streams = NULL;
 513     p_sys->i_width = i_width;
 514     p_sys->i_height = i_height;
 515     p_sys->i_chroma = i_chroma;
 516
 517     p_sys->p_graph = NULL;
 518     p_sys->p_capture_graph_builder2 = NULL;
 519     p_sys->p_control = NULL;
 520
 521     /* Build directshow graph */
 522     CreateDirectShowGraph( p_sys );
 523
 524     vlc_mutex_init( &p_sys->lock );
 525     vlc_cond_init( &p_sys->wait );
 526
 527     if( !b_use_video && !b_use_audio )
 528     {
 529         dialog_Fatal( p_this, _("Capture failed"),
 530                         _("No video or audio device selected.") );
 531         return VLC_EGENERIC ;
 532     }
 533
 534     if( !b_use_video )
 535         msg_Dbg( p_this, "skipping video device" ) ;
 536     bool b_err_video = false ;
 537
 538     if( b_use_video && OpenDevice( p_this, p_sys, vdevname, 0 ) != VLC_SUCCESS )
 539     {
 540         msg_Err( p_this, "can't open video device");
 541         b_err_video = true ;
 542     }
 543
 544     if ( b_use_video && !b_err_video )
 545     {
 546         /* Check if we can handle the demuxing ourselves or need to spawn
 547          * a demuxer module */
 548         dshow_stream_t *p_stream = p_sys->pp_streams[p_sys->i_streams-1];
 549
 550         if( p_stream->mt.majortype == MEDIATYPE_Video )
 551         {
 552             if( /* Raw DV stream */
 553                 p_stream->i_fourcc == VLC_CODEC_DV ||
 554                 /* Raw MPEG video stream */
 555                 p_stream->i_fourcc == VLC_CODEC_MPGV )
 556             {
 557                 b_use_audio = false;
 558
 559                 if( b_access_demux )
 560                 {
 561                     /* Let the access (only) take care of that */
 562                     return VLC_EGENERIC;
 563                 }
 564             }
 565         }
 566
 567         if( p_stream->mt.majortype == MEDIATYPE_Stream )
 568         {
 569             b_use_audio = false;
 570
 571             if( b_access_demux )
 572             {
 573                 /* Let the access (only) take care of that */
 574                 return VLC_EGENERIC;
 575             }
 576
 577             if( var_GetBool( p_this, CFG_PREFIX "tuner" ) )
 578             {
 579                 /* FIXME: we do MEDIATYPE_Stream here so we don't do
 580                  * it twice. */
 581                 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
 582                                      p_stream->p_device_filter, 0 );
 583             }
 584         }
 585     }
 586
 587     if( !b_use_audio )
 588         msg_Dbg( p_this, "skipping audio device") ;
 589
 590     bool b_err_audio = false ;
 591
 592     if( b_use_audio && OpenDevice( p_this, p_sys, adevname, 1 ) != VLC_SUCCESS )
 593     {
 594         msg_Err( p_this, "can't open audio device");
 595         b_err_audio = true ;
 596     }
 597
 598     if( ( b_use_video && b_err_video && b_use_audio && b_err_audio ) ||
 599         ( !b_use_video && b_use_audio && b_err_audio ) ||
 600         ( b_use_video && !b_use_audio && b_err_video ) )
 601     {
 602         msg_Err( p_this, "FATAL: could not open ANY device" ) ;
 603         dialog_Fatal( p_this,  _("Capture failed"),
 604                         _("VLC cannot open ANY capture device. "
 605                           "Check the error log for details.") );
 606         return VLC_EGENERIC ;
 607     }
 608
 609     for( int i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
 610     {
 611         int i_val = var_GetInteger( p_this, CFG_PREFIX "video-input" );
 612         if( i_val >= 0 )
 613             p_sys->crossbar_routes[i].VideoInputIndex = i_val;
 614         i_val = var_GetInteger( p_this, CFG_PREFIX "video-output" );
 615         if( i_val >= 0 )
 616             p_sys->crossbar_routes[i].VideoOutputIndex = i_val;
 617         i_val = var_GetInteger( p_this, CFG_PREFIX "audio-input" );
 618         if( i_val >= 0 )
 619             p_sys->crossbar_routes[i].AudioInputIndex = i_val;
 620         i_val = var_GetInteger( p_this, CFG_PREFIX "audio-output" );
 621         if( i_val >= 0 )
 622             p_sys->crossbar_routes[i].AudioOutputIndex = i_val;
 623
 624         IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
 625         LONG VideoInputIndex = p_sys->crossbar_routes[i].VideoInputIndex;
 626         LONG VideoOutputIndex = p_sys->crossbar_routes[i].VideoOutputIndex;
 627         LONG AudioInputIndex = p_sys->crossbar_routes[i].AudioInputIndex;
 628         LONG AudioOutputIndex = p_sys->crossbar_routes[i].AudioOutputIndex;
 629
 630         if( SUCCEEDED(pXbar->Route(VideoOutputIndex, VideoInputIndex)) )
 631         {
 632             msg_Dbg( p_this, "crossbar at depth %d, routed video "
 633                      "output %ld to video input %ld", i, VideoOutputIndex,
 634                      VideoInputIndex );
 635
 636             if( AudioOutputIndex != -1 && AudioInputIndex != -1 )
 637             {
 638                 if( SUCCEEDED( pXbar->Route(AudioOutputIndex,
 639                                             AudioInputIndex)) )
 640                 {
 641                     msg_Dbg(p_this, "crossbar at depth %d, routed audio "
 642                             "output %ld to audio input %ld", i,
 643                             AudioOutputIndex, AudioInputIndex );
 644                 }
 645             }
 646         }
 647         else
 648             msg_Err( p_this, "crossbar at depth %d could not route video "
 649                      "output %ld to input %ld", i, VideoOutputIndex, VideoInputIndex );
 650     }
 651
 652     /*
 653     ** Show properties pages from other filters in graph
 654     */
 655     if( var_GetBool( p_this, CFG_PREFIX "config" ) )
 656     {
 657         for( int i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
 658         {
 659             IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
 660             IBaseFilter *p_XF;
 661
 662             if( SUCCEEDED( pXbar->QueryInterface( IID_IBaseFilter,
 663                                                   (void **)&p_XF ) ) )
 664             {
 665                 ShowPropertyPage( p_XF );
 666                 p_XF->Release();
 667             }
 668         }
 669     }
 670
 671     /* Initialize some data */
 672     p_sys->i_current_stream = 0;
 673
 674     if( !p_sys->i_streams ) return VLC_EGENERIC;
 675
 676     return VLC_SUCCESS;
 677 }
 678
 679 /*****************************************************************************
 680  * DemuxOpen: open direct show device as an access_demux module
 681  *****************************************************************************/
 682 static int DemuxOpen( vlc_object_t *p_this )
 683 {
 684     demux_t      *p_demux = (demux_t *)p_this;
 685     access_sys_t *p_sys;
 686
 687     p_sys = (access_sys_t*)calloc( 1, sizeof( access_sys_t ) );
 688     if( !p_sys )
 689         return VLC_ENOMEM;
 690     p_demux->p_sys = (demux_sys_t *)p_sys;
 691
 692     if( CommonOpen( p_this, p_sys, true ) != VLC_SUCCESS )
 693     {
 694         CommonClose( p_this, p_sys );
 695         return VLC_EGENERIC;
 696     }
 697
 698     /* Everything is ready. Let's rock baby */
 699     msg_Dbg( p_this, "Playing...");
 700     p_sys->p_control->Run();
 701
 702     p_demux->pf_demux   = Demux;
 703     p_demux->pf_control = DemuxControl;
 704     p_demux->info.i_title = 0;
 705     p_demux->info.i_seekpoint = 0;
 706
 707     for( int i = 0; i < p_sys->i_streams; i++ )
 708     {
 709         dshow_stream_t *p_stream = p_sys->pp_streams[i];
 710         es_format_t fmt;
 711
 712         if( p_stream->mt.majortype == MEDIATYPE_Video )
 713         {
 714             char *psz_aspect = var_CreateGetString( p_this, CFG_PREFIX "aspect-ratio" );
 715             char *psz_delim = !EMPTY_STR( psz_aspect ) ? strchr( psz_aspect, ':' ) : NULL;
 716
 717             es_format_Init( &fmt, VIDEO_ES, p_stream->i_fourcc );
 718
 719             fmt.video.i_width  = p_stream->header.video.bmiHeader.biWidth;
 720             fmt.video.i_height = p_stream->header.video.bmiHeader.biHeight;
 721
 722             if( psz_delim )
 723             {
 724                 fmt.video.i_sar_num = atoi( psz_aspect ) * fmt.video.i_height;
 725                 fmt.video.i_sar_den = atoi( psz_delim + 1 ) * fmt.video.i_width;
 726             }
 727             else
 728             {
 729                 fmt.video.i_sar_num = 4 * fmt.video.i_height;
 730                 fmt.video.i_sar_den = 3 * fmt.video.i_width;
 731             }
 732             free( psz_aspect );
 733
 734             if( !p_stream->header.video.bmiHeader.biCompression )
 735             {
 736                 /* RGB DIB are coded from bottom to top */
 737                 fmt.video.orientation = ORIENT_BOTTOM_LEFT;
 738             }
 739
 740             /* Setup rgb mask for RGB formats */
 741             if( p_stream->i_fourcc == VLC_CODEC_RGB24 )
 742             {
 743                 /* This is in RGB format
 744             http://msdn.microsoft.com/en-us/library/dd407253%28VS.85%29.aspx?ppud=4
 745                  */
 746                 fmt.video.i_rmask = 0x00ff0000;
 747                 fmt.video.i_gmask = 0x0000ff00;
 748                 fmt.video.i_bmask = 0x000000ff;
 749             }
 750
 751             if( p_stream->header.video.AvgTimePerFrame )
 752             {
 753                 fmt.video.i_frame_rate = 10000000;
 754                 fmt.video.i_frame_rate_base =
 755                     p_stream->header.video.AvgTimePerFrame;
 756             }
 757         }
 758         else if( p_stream->mt.majortype == MEDIATYPE_Audio )
 759         {
 760             es_format_Init( &fmt, AUDIO_ES, p_stream->i_fourcc );
 761
 762             fmt.audio.i_channels = p_stream->header.audio.nChannels;
 763             fmt.audio.i_rate = p_stream->header.audio.nSamplesPerSec;
 764             fmt.audio.i_bitspersample = p_stream->header.audio.wBitsPerSample;
 765             fmt.audio.i_blockalign = fmt.audio.i_channels *
 766                 fmt.audio.i_bitspersample / 8;
 767             fmt.i_bitrate = fmt.audio.i_channels * fmt.audio.i_rate *
 768                 fmt.audio.i_bitspersample;
 769         }
 770
 771         p_stream->p_es = es_out_Add( p_demux->out, &fmt );
 772     }
 773
 774     return VLC_SUCCESS;
 775 }
 776
 777 /*****************************************************************************
 778  * AccessOpen: open direct show device as an access module
 779  *****************************************************************************/
 780 static int AccessOpen( vlc_object_t *p_this )
 781 {
 782     access_t     *p_access = (access_t*)p_this;
 783     access_sys_t *p_sys;
 784
 785     p_access->p_sys = p_sys = (access_sys_t*)calloc( 1, sizeof( access_sys_t ) );
 786     if( !p_sys )
 787         return VLC_ENOMEM;
 788
 789     if( CommonOpen( p_this, p_sys, false ) != VLC_SUCCESS )
 790     {
 791         CommonClose( p_this, p_sys );
 792         return VLC_EGENERIC;
 793     }
 794
 795     dshow_stream_t *p_stream = p_sys->pp_streams[0];
 796
 797     /* Check if we need to force demuxers */
 798     if( p_stream->i_fourcc == VLC_CODEC_DV )
 799     {
 800         free( p_access->psz_demux );
 801         p_access->psz_demux = strdup( "rawdv" );
 802     }
 803     else if( p_stream->i_fourcc == VLC_CODEC_MPGV )
 804     {
 805         free( p_access->psz_demux );
 806         p_access->psz_demux = strdup( "mpgv" );
 807     }
 808
 809     /* Setup Access */
 810     p_access->pf_read = NULL;
 811     p_access->pf_block = ReadCompressed;
 812     p_access->pf_control = AccessControl;
 813     p_access->pf_seek = NULL;
 814     p_access->info.i_pos = 0;
 815     p_access->info.b_eof = false;
 816     p_access->p_sys = p_sys;
 817
 818     /* Everything is ready. Let's rock baby */
 819     msg_Dbg( p_this, "Playing...");
 820     p_sys->p_control->Run();
 821
 822     return VLC_SUCCESS;
 823 }
 824
 825 /*****************************************************************************
 826  * CommonClose: close device
 827  *****************************************************************************/
 828 static void CommonClose( vlc_object_t *p_this, access_sys_t *p_sys )
 829 {
 830     msg_Dbg( p_this, "releasing DirectShow");
 831
 832     DeleteDirectShowGraph( p_this, p_sys );
 833
 834     /* Uninitialize OLE/COM */
 835     CoUninitialize();
 836
 837     for( int i = 0; i < p_sys->i_streams; i++ ) delete p_sys->pp_streams[i];
 838     if( p_sys->i_streams ) free( p_sys->pp_streams );
 839
 840     vlc_mutex_destroy( &p_sys->lock );
 841     vlc_cond_destroy( &p_sys->wait );
 842
 843     free( p_sys );
 844 }
 845
 846 /*****************************************************************************
 847  * AccessClose: close device
 848  *****************************************************************************/
 849 static void AccessClose( vlc_object_t *p_this )
 850 {
 851     access_t     *p_access = (access_t *)p_this;
 852     access_sys_t *p_sys    = p_access->p_sys;
 853
 854     /* Stop capturing stuff */
 855     p_sys->p_control->Stop();
 856
 857     CommonClose( p_this, p_sys );
 858 }
 859
 860 /*****************************************************************************
 861  * DemuxClose: close device
 862  *****************************************************************************/
 863 static void DemuxClose( vlc_object_t *p_this )
 864 {
 865     demux_t      *p_demux = (demux_t *)p_this;
 866     access_sys_t *p_sys   = (access_sys_t *)p_demux->p_sys;
 867
 868     /* Stop capturing stuff */
 869     p_sys->p_control->Stop();
 870
 871     CommonClose( p_this, p_sys );
 872 }
 873
 874 /****************************************************************************
 875  * ConnectFilters
 876  ****************************************************************************/
 877 static bool ConnectFilters( vlc_object_t *p_this, access_sys_t *p_sys,
 878                             IBaseFilter *p_filter,
 879                             CaptureFilter *p_capture_filter )
 880 {
 881     CapturePin *p_input_pin = p_capture_filter->CustomGetPin();
 882
 883     AM_MEDIA_TYPE mediaType = p_input_pin->CustomGetMediaType();
 884
 885     if( p_sys->p_capture_graph_builder2 )
 886     {
 887         if( FAILED(p_sys->p_capture_graph_builder2->
 888                 RenderStream( &PIN_CATEGORY_CAPTURE, &mediaType.majortype,
 889                               p_filter, 0, (IBaseFilter *)p_capture_filter )) )
 890         {
 891             return false;
 892         }
 893
 894         // Sort out all the possible video inputs
 895         // The class needs to be given the capture filters ANALOGVIDEO input pin
 896         IEnumPins *pins = NULL;
 897         if( ( mediaType.majortype == MEDIATYPE_Video ||
 898               mediaType.majortype == MEDIATYPE_Stream ) &&
 899             SUCCEEDED(p_filter->EnumPins(&pins)) )
 900         {
 901             IPin        *pP = NULL;
 902             ULONG        n;
 903             PIN_INFO     pinInfo;
 904             BOOL         Found = FALSE;
 905             IKsPropertySet *pKs = NULL;
 906             GUID guid;
 907             DWORD dw;
 908
 909             while( !Found && ( S_OK == pins->Next(1, &pP, &n) ) )
 910             {
 911                 if( S_OK == pP->QueryPinInfo(&pinInfo) )
 912                 {
 913                     // is this pin an ANALOGVIDEOIN input pin?
 914                     if( pinInfo.dir == PINDIR_INPUT &&
 915                         pP->QueryInterface( IID_IKsPropertySet,
 916                                             (void **)&pKs ) == S_OK )
 917                     {
 918                         if( pKs->Get( AMPROPSETID_Pin,
 919                                       AMPROPERTY_PIN_CATEGORY, NULL, 0,
 920                                       &guid, sizeof(GUID), &dw ) == S_OK )
 921                         {
 922                             if( guid == PIN_CATEGORY_ANALOGVIDEOIN )
 923                             {
 924                                 // recursively search crossbar routes
 925                                 FindCrossbarRoutes( p_this, p_sys, pP, 0 );
 926                                 // found it
 927                                 Found = TRUE;
 928                             }
 929                         }
 930                         pKs->Release();
 931                     }
 932                     pinInfo.pFilter->Release();
 933                 }
 934                 pP->Release();
 935             }
 936             pins->Release();
 937             msg_Dbg( p_this, "ConnectFilters: graph_builder2 available.") ;
 938             if ( !Found )
 939                 msg_Warn( p_this, "ConnectFilters: No crossBar routes found (incompatible pin types)" ) ;
 940         }
 941         return true;
 942     }
 943     else
 944     {
 945         IEnumPins *p_enumpins;
 946         IPin *p_pin;
 947
 948         if( S_OK != p_filter->EnumPins( &p_enumpins ) ) return false;
 949
 950         while( S_OK == p_enumpins->Next( 1, &p_pin, NULL ) )
 951         {
 952             PIN_DIRECTION pin_dir;
 953             p_pin->QueryDirection( &pin_dir );
 954
 955             if( pin_dir == PINDIR_OUTPUT &&
 956                 p_sys->p_graph->ConnectDirect( p_pin, (IPin *)p_input_pin,
 957                                                0 ) == S_OK )
 958             {
 959                 p_pin->Release();
 960                 p_enumpins->Release();
 961                 return true;
 962             }
 963             p_pin->Release();
 964         }
 965
 966         p_enumpins->Release();
 967         return false;
 968     }
 969 }
 970
 971 /*
 972  * get fourcc priority from arbritary preference, the higher the better
 973  */
 974 static int GetFourCCPriority( int i_fourcc )
 975 {
 976     switch( i_fourcc )
 977     {
 978     case VLC_CODEC_I420:
 979     case VLC_CODEC_FL32:
 980         return 9;
 981     case VLC_CODEC_YV12:
 982     case VLC_FOURCC('a','r','a','w'):
 983         return 8;
 984     case VLC_CODEC_RGB24:
 985         return 7;
 986     case VLC_CODEC_YUYV:
 987     case VLC_CODEC_RGB32:
 988     case VLC_CODEC_RGBA:
 989         return 6;
 990     }
 991
 992     return 0;
 993 }
 994
 995 #define MAX_MEDIA_TYPES 32
 996
 997 static int OpenDevice( vlc_object_t *p_this, access_sys_t *p_sys,
 998                        string devicename, bool b_audio )
 999 {
1000     /* See if device is already opened */
1001     for( int i = 0; i < p_sys->i_streams; i++ )
1002     {
1003         if( devicename.size() &&
1004             p_sys->pp_streams[i]->devicename == devicename )
1005         {
1006             /* Already opened */
1007             return VLC_SUCCESS;
1008         }
1009     }
1010
1011     list<string> list_devices;
1012
1013     /* Enumerate devices and display their names */
1014     FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1015     if( list_devices.empty() )
1016         return VLC_EGENERIC;
1017
1018     list<string>::iterator iter;
1019     for( iter = list_devices.begin(); iter != list_devices.end(); ++iter )
1020         msg_Dbg( p_this, "found device: %s", iter->c_str() );
1021
1022     /* If no device name was specified, pick the 1st one */
1023     if( devicename.size() == 0 )
1024     {
1025         /* When none selected */
1026         devicename = *list_devices.begin();
1027         msg_Dbg( p_this, "asking for default device: %s", devicename.c_str() ) ;
1028     }
1029     else
1030         msg_Dbg( p_this, "asking for device: %s", devicename.c_str() ) ;
1031     // Use the system device enumerator and class enumerator to find
1032     // a capture/preview device, such as a desktop USB video camera.
1033     IBaseFilter *p_device_filter =
1034         FindCaptureDevice( p_this, &devicename, NULL, b_audio );
1035
1036     if( p_device_filter )
1037         msg_Dbg( p_this, "using device: %s", devicename.c_str() );
1038     else
1039     {
1040         msg_Err( p_this, "can't use device: %s, unsupported device type",
1041                  devicename.c_str() );
1042         dialog_Fatal( p_this, _("Capture failed"),
1043                         _("The device you selected cannot be used, because its "
1044                           "type is not supported.") );
1045         return VLC_EGENERIC;
1046     }
1047
1048     // Retreive acceptable media types supported by device
1049     AM_MEDIA_TYPE media_types[MAX_MEDIA_TYPES];
1050     size_t media_count =
1051         EnumDeviceCaps( p_this, p_device_filter, b_audio ? 0 : p_sys->i_chroma,
1052                         p_sys->i_width, p_sys->i_height,
1053       b_audio ? var_CreateGetInteger( p_this, CFG_PREFIX "audio-channels" ) : 0,
1054       b_audio ? var_CreateGetInteger( p_this, CFG_PREFIX "audio-samplerate" ) : 0,
1055       b_audio ? var_CreateGetInteger( p_this, CFG_PREFIX "audio-bitspersample" ) : 0,
1056       media_types, MAX_MEDIA_TYPES );
1057
1058     AM_MEDIA_TYPE *mt = NULL;
1059
1060     if( media_count > 0 )
1061     {
1062         mt = (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE) * media_count);
1063
1064         // Order and copy returned media types according to arbitrary
1065         // fourcc priority
1066         for( size_t c = 0; c < media_count; c++ )
1067         {
1068             int slot_priority =
1069                 GetFourCCPriority(GetFourCCFromMediaType(media_types[c]));
1070             size_t slot_copy = c;
1071             for( size_t d = c+1; d < media_count; d++ )
1072             {
1073                 int priority =
1074                     GetFourCCPriority(GetFourCCFromMediaType(media_types[d]));
1075                 if( priority > slot_priority )
1076                 {
1077                     slot_priority = priority;
1078                     slot_copy = d;
1079                 }
1080             }
1081             if( slot_copy != c )
1082             {
1083                 mt[c] = media_types[slot_copy];
1084                 media_types[slot_copy] = media_types[c];
1085             }
1086             else
1087             {
1088                 mt[c] = media_types[c];
1089             }
1090         }
1091     }
1092     else {
1093         /* capture device */
1094         msg_Err( p_this, "capture device '%s' does not support required parameters !", devicename.c_str() );
1095         dialog_Fatal( p_this, _("Capture failed"),
1096                         _("The capture device \"%s\" does not support the "
1097                           "required parameters."), devicename.c_str() );
1098         p_device_filter->Release();
1099         return VLC_EGENERIC;
1100     }
1101
1102     /* Create and add our capture filter */
1103     CaptureFilter *p_capture_filter =
1104         new CaptureFilter( p_this, p_sys, mt, media_count );
1105     p_sys->p_graph->AddFilter( p_capture_filter, 0 );
1106
1107     /* Add the device filter to the graph (seems necessary with VfW before
1108      * accessing pin attributes). */
1109     p_sys->p_graph->AddFilter( p_device_filter, 0 );
1110
1111     /* Attempt to connect one of this device's capture output pins */
1112     msg_Dbg( p_this, "connecting filters" );
1113     if( ConnectFilters( p_this, p_sys, p_device_filter, p_capture_filter ) )
1114     {
1115         /* Success */
1116         msg_Dbg( p_this, "filters connected successfully !" );
1117
1118         dshow_stream_t dshow_stream;
1119         dshow_stream.b_pts = false;
1120         dshow_stream.p_es = 0;
1121         dshow_stream.mt =
1122             p_capture_filter->CustomGetPin()->CustomGetMediaType();
1123
1124         /* Show Device properties. Done here so the VLC stream is setup with
1125          * the proper parameters. */
1126         if( var_GetBool( p_this, CFG_PREFIX "config" ) )
1127         {
1128             ShowDeviceProperties( p_this, p_sys->p_capture_graph_builder2,
1129                                   p_device_filter, b_audio );
1130         }
1131
1132         ConfigTuner( p_this, p_sys->p_capture_graph_builder2,
1133                      p_device_filter );
1134
1135         if( var_GetBool( p_this, CFG_PREFIX "tuner" ) &&
1136             dshow_stream.mt.majortype != MEDIATYPE_Stream )
1137         {
1138             /* FIXME: we do MEDIATYPE_Stream later so we don't do it twice. */
1139             ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
1140                                  p_device_filter, b_audio );
1141         }
1142
1143         dshow_stream.mt =
1144             p_capture_filter->CustomGetPin()->CustomGetMediaType();
1145
1146         dshow_stream.i_fourcc = GetFourCCFromMediaType( dshow_stream.mt );
1147         if( dshow_stream.i_fourcc )
1148         {
1149             if( dshow_stream.mt.majortype == MEDIATYPE_Video )
1150             {
1151                 dshow_stream.header.video =
1152                     *(VIDEOINFOHEADER *)dshow_stream.mt.pbFormat;
1153                 msg_Dbg( p_this, "MEDIATYPE_Video" );
1154                 msg_Dbg( p_this, "selected video pin accepts format: %4.4s",
1155                          (char *)&dshow_stream.i_fourcc);
1156             }
1157             else if( dshow_stream.mt.majortype == MEDIATYPE_Audio )
1158             {
1159                 dshow_stream.header.audio =
1160                     *(WAVEFORMATEX *)dshow_stream.mt.pbFormat;
1161                 msg_Dbg( p_this, "MEDIATYPE_Audio" );
1162                 msg_Dbg( p_this, "selected audio pin accepts format: %4.4s",
1163                          (char *)&dshow_stream.i_fourcc);
1164             }
1165             else if( dshow_stream.mt.majortype == MEDIATYPE_Stream )
1166             {
1167                 msg_Dbg( p_this, "MEDIATYPE_Stream" );
1168                 msg_Dbg( p_this, "selected stream pin accepts format: %4.4s",
1169                          (char *)&dshow_stream.i_fourcc);
1170             }
1171             else
1172             {
1173                 msg_Dbg( p_this, "unknown stream majortype" );
1174                 goto fail;
1175             }
1176
1177             /* Add directshow elementary stream to our list */
1178             dshow_stream.p_device_filter = p_device_filter;
1179             dshow_stream.p_capture_filter = p_capture_filter;
1180
1181             p_sys->pp_streams = (dshow_stream_t **)xrealloc( p_sys->pp_streams,
1182                           sizeof(dshow_stream_t *) * (p_sys->i_streams + 1) );
1183             p_sys->pp_streams[p_sys->i_streams] = new dshow_stream_t;
1184             *p_sys->pp_streams[p_sys->i_streams++] = dshow_stream;
1185
1186             return VLC_SUCCESS;
1187         }
1188     }
1189
1190  fail:
1191     /* Remove filters from graph */
1192     msg_Dbg( p_this, "OpenDevice: Removing filters" ) ;
1193     p_sys->p_graph->RemoveFilter( p_device_filter );
1194     p_sys->p_graph->RemoveFilter( p_capture_filter );
1195
1196     /* Release objects */
1197     /* RemoveFilter does an undocumented Release()
1198      * but does not set item to NULL*/
1199
1200     p_device_filter = NULL;
1201     p_capture_filter = NULL;
1202
1203     return VLC_EGENERIC;
1204 }
1205
1206 /* FindCaptureDevices:: This Function had two purposes :
1207     Returns the list of capture devices when p_listdevices != NULL
1208     Creates an IBaseFilter when p_devicename corresponds to an existing devname
1209    These actions *may* be requested whith a single call.
1210 */
1211 static IBaseFilter *
1212 FindCaptureDevice( vlc_object_t *p_this, string *p_devicename,
1213                    list<string> *p_listdevices, bool b_audio )
1214 {
1215     IBaseFilter *p_base_filter = NULL;
1216     IMoniker *p_moniker = NULL;
1217     ULONG i_fetched;
1218     HRESULT hr;
1219     list<string> devicelist;
1220
1221     /* Create the system device enumerator */
1222     ICreateDevEnum *p_dev_enum = NULL;
1223
1224     hr = CoCreateInstance( CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
1225                            IID_ICreateDevEnum, (void **)&p_dev_enum );
1226     if( FAILED(hr) )
1227     {
1228         msg_Err( p_this, "failed to create the device enumerator (0x%lx)", hr);
1229         return NULL;
1230     }
1231
1232     /* Create an enumerator for the video capture devices */
1233     IEnumMoniker *p_class_enum = NULL;
1234     if( !b_audio )
1235         hr = p_dev_enum->CreateClassEnumerator( CLSID_VideoInputDeviceCategory,
1236                                                 &p_class_enum, 0 );
1237     else
1238         hr = p_dev_enum->CreateClassEnumerator( CLSID_AudioInputDeviceCategory,
1239                                                 &p_class_enum, 0 );
1240     p_dev_enum->Release();
1241     if( FAILED(hr) )
1242     {
1243         msg_Err( p_this, "failed to create the class enumerator (0x%lx)", hr );
1244         return NULL;
1245     }
1246
1247     /* If there are no enumerators for the requested type, then
1248      * CreateClassEnumerator will succeed, but p_class_enum will be NULL */
1249     if( p_class_enum == NULL )
1250     {
1251         msg_Err( p_this, "no %s capture device was detected", ( b_audio ? "audio" : "video" ) );
1252         return NULL;
1253     }
1254
1255     /* Enumerate the devices */
1256
1257     /* Note that if the Next() call succeeds but there are no monikers,
1258      * it will return S_FALSE (which is not a failure). Therefore, we check
1259      * that the return code is S_OK instead of using SUCCEEDED() macro. */
1260
1261     while( p_class_enum->Next( 1, &p_moniker, &i_fetched ) == S_OK )
1262     {
1263         /* Getting the property page to get the device name */
1264         IPropertyBag *p_bag;
1265         hr = p_moniker->BindToStorage( 0, 0, IID_IPropertyBag,
1266                                        (void **)&p_bag );
1267         if( SUCCEEDED(hr) )
1268         {
1269             VARIANT var;
1270             var.vt = VT_BSTR;
1271             hr = p_bag->Read( L"FriendlyName", &var, NULL );
1272             p_bag->Release();
1273             if( SUCCEEDED(hr) )
1274             {
1275                 char *p_buf = FromWide( var.bstrVal );
1276                 string devname = string(p_buf);
1277                 free( p_buf) ;
1278
1279                 int dup = 0;
1280                 /* find out if this name is already used by a previously found device */
1281                 list<string>::const_iterator iter = devicelist.begin();
1282                 list<string>::const_iterator end = devicelist.end();
1283                 string ordevname = devname ;
1284                 while ( iter != end )
1285                 {
1286                     if( 0 == (*iter).compare( devname ) )
1287                     { /* devname is on the list. Try another name with sequence
1288                          number apended and then rescan until a unique entry is found*/
1289                          char seq[16];
1290                          snprintf(seq, 16, " #%d", ++dup);
1291                          devname = ordevname + seq;
1292                          iter = devicelist.begin();
1293                     }
1294                     else
1295                          ++iter;
1296                 }
1297                 devicelist.push_back( devname );
1298
1299                 if( p_devicename && *p_devicename == devname )
1300                 {
1301                     msg_Dbg( p_this, "asked for %s, binding to %s", p_devicename->c_str() , devname.c_str() ) ;
1302                     /* NULL possibly means we don't need BindMoniker BindCtx ?? */
1303                     hr = p_moniker->BindToObject( NULL, 0, IID_IBaseFilter,
1304                                                   (void **)&p_base_filter );
1305                     if( FAILED(hr) )
1306                     {
1307                         msg_Err( p_this, "couldn't bind moniker to filter "
1308                                  "object (0x%lx)", hr );
1309                         p_moniker->Release();
1310                         p_class_enum->Release();
1311                         return NULL;
1312                     }
1313                     p_moniker->Release();
1314                     p_class_enum->Release();
1315                     return p_base_filter;
1316                 }
1317             }
1318         }
1319
1320         p_moniker->Release();
1321     }
1322
1323     p_class_enum->Release();
1324
1325     if( p_listdevices ) {
1326         devicelist.sort();
1327         *p_listdevices = devicelist;
1328     }
1329     return NULL;
1330 }
1331
1332 static size_t EnumDeviceCaps( vlc_object_t *p_this, IBaseFilter *p_filter,
1333                               int i_fourcc, int i_width, int i_height,
1334                               int i_channels, int i_samplespersec,
1335                               int i_bitspersample, AM_MEDIA_TYPE *mt,
1336                               size_t mt_max )
1337 {
1338     IEnumPins *p_enumpins;
1339     IPin *p_output_pin;
1340     IEnumMediaTypes *p_enummt;
1341     size_t mt_count = 0;
1342
1343     LONGLONG i_AvgTimePerFrame = 0;
1344     float r_fps = var_GetFloat( p_this, CFG_PREFIX "fps" );
1345     if( r_fps )
1346         i_AvgTimePerFrame = 10000000000LL/(LONGLONG)(r_fps*1000.0f);
1347
1348     if( FAILED(p_filter->EnumPins( &p_enumpins )) )
1349     {
1350         msg_Dbg( p_this, "EnumDeviceCaps failed: no pin enumeration !");
1351         return 0;
1352     }
1353
1354     while( S_OK == p_enumpins->Next( 1, &p_output_pin, NULL ) )
1355     {
1356         PIN_INFO info;
1357
1358         if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1359         {
1360             msg_Dbg( p_this, "EnumDeviceCaps: %s pin: %S",
1361                      info.dir == PINDIR_INPUT ? "input" : "output",
1362                      info.achName );
1363             if( info.pFilter ) info.pFilter->Release();
1364         }
1365
1366         p_output_pin->Release();
1367     }
1368
1369     p_enumpins->Reset();
1370
1371     while( !mt_count && p_enumpins->Next( 1, &p_output_pin, NULL ) == S_OK )
1372     {
1373         PIN_INFO info;
1374
1375         if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1376         {
1377             if( info.pFilter ) info.pFilter->Release();
1378             if( info.dir == PINDIR_INPUT )
1379             {
1380                 p_output_pin->Release();
1381                 continue;
1382             }
1383             msg_Dbg( p_this, "EnumDeviceCaps: trying pin %S", info.achName );
1384         }
1385
1386         AM_MEDIA_TYPE *p_mt;
1387
1388         /*
1389         ** Configure pin with a default compatible media if possible
1390         */
1391
1392         IAMStreamConfig *pSC;
1393         if( SUCCEEDED(p_output_pin->QueryInterface( IID_IAMStreamConfig,
1394                                             (void **)&pSC )) )
1395         {
1396             int piCount, piSize;
1397             if( SUCCEEDED(pSC->GetNumberOfCapabilities(&piCount, &piSize)) )
1398             {
1399                 BYTE *pSCC= (BYTE *)CoTaskMemAlloc(piSize);
1400                 if( NULL != pSCC )
1401                 {
1402                     int i_priority = ES_PRIORITY_NOT_DEFAULTABLE;
1403                     for( int i=0; i<piCount; ++i )
1404                     {
1405                         if( SUCCEEDED(pSC->GetStreamCaps(i, &p_mt, pSCC)) )
1406                         {
1407                             int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1408                             int i_current_priority = GetFourCCPriority(i_current_fourcc);
1409
1410                             if( (i_fourcc && (i_current_fourcc != i_fourcc))
1411                              || (i_priority > i_current_priority) )
1412                             {
1413                                 // unwanted chroma, try next media type
1414                                 FreeMediaType( *p_mt );
1415                                 CoTaskMemFree( (PVOID)p_mt );
1416                                 continue;
1417                             }
1418
1419                             if( MEDIATYPE_Video == p_mt->majortype
1420                                     && FORMAT_VideoInfo == p_mt->formattype )
1421                             {
1422                                 VIDEO_STREAM_CONFIG_CAPS *pVSCC = reinterpret_cast<VIDEO_STREAM_CONFIG_CAPS*>(pSCC);
1423                                 VIDEOINFOHEADER *pVih = reinterpret_cast<VIDEOINFOHEADER*>(p_mt->pbFormat);
1424
1425                                 if( i_AvgTimePerFrame )
1426                                 {
1427                                     if( pVSCC->MinFrameInterval > i_AvgTimePerFrame
1428                                       || i_AvgTimePerFrame > pVSCC->MaxFrameInterval )
1429                                     {
1430                                         // required frame rate not compatible, try next media type
1431                                         FreeMediaType( *p_mt );
1432                                         CoTaskMemFree( (PVOID)p_mt );
1433                                         continue;
1434                                     }
1435                                     pVih->AvgTimePerFrame = i_AvgTimePerFrame;
1436                                 }
1437
1438                                 if( i_width )
1439                                 {
1440                                     if((   !pVSCC->OutputGranularityX
1441                                            && i_width != pVSCC->MinOutputSize.cx
1442                                            && i_width != pVSCC->MaxOutputSize.cx)
1443                                        ||
1444                                        (   pVSCC->OutputGranularityX
1445                                            && ((i_width % pVSCC->OutputGranularityX)
1446                                                || pVSCC->MinOutputSize.cx > i_width
1447                                                || i_width > pVSCC->MaxOutputSize.cx )))
1448                                     {
1449                                         // required width not compatible, try next media type
1450                                         FreeMediaType( *p_mt );
1451                                         CoTaskMemFree( (PVOID)p_mt );
1452                                         continue;
1453                                     }
1454                                     pVih->bmiHeader.biWidth = i_width;
1455                                 }
1456
1457                                 if( i_height )
1458                                 {
1459                                     if((   !pVSCC->OutputGranularityY
1460                                            && i_height != pVSCC->MinOutputSize.cy
1461                                            && i_height != pVSCC->MaxOutputSize.cy)
1462                                        ||
1463                                        (   pVSCC->OutputGranularityY
1464                                            && ((i_height % pVSCC->OutputGranularityY)
1465                                                || pVSCC->MinOutputSize.cy > i_height
1466                                                || i_height > pVSCC->MaxOutputSize.cy )))
1467                                     {
1468                                         // required height not compatible, try next media type
1469                                         FreeMediaType( *p_mt );
1470                                         CoTaskMemFree( (PVOID)p_mt );
1471                                         continue;
1472                                     }
1473                                     pVih->bmiHeader.biHeight = i_height;
1474                                 }
1475
1476                                 // Set the sample size and image size.
1477                                 // (Round the image width up to a DWORD boundary.)
1478                                 p_mt->lSampleSize = pVih->bmiHeader.biSizeImage =
1479                                     ((pVih->bmiHeader.biWidth + 3) & ~3) *
1480                                     pVih->bmiHeader.biHeight * (pVih->bmiHeader.biBitCount>>3);
1481
1482                                 // no cropping, use full video input buffer
1483                                 memset(&(pVih->rcSource), 0, sizeof(RECT));
1484                                 memset(&(pVih->rcTarget), 0, sizeof(RECT));
1485
1486                                 // select this format as default
1487                                 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1488                                 {
1489                                     i_priority = i_current_priority;
1490                                     if( i_fourcc )
1491                                         // no need to check any more media types
1492                                         i = piCount;
1493                                 }
1494                             }
1495                             else if( p_mt->majortype == MEDIATYPE_Audio
1496                                     && p_mt->formattype == FORMAT_WaveFormatEx )
1497                             {
1498                                 AUDIO_STREAM_CONFIG_CAPS *pASCC = reinterpret_cast<AUDIO_STREAM_CONFIG_CAPS*>(pSCC);
1499                                 WAVEFORMATEX *pWfx = reinterpret_cast<WAVEFORMATEX*>(p_mt->pbFormat);
1500
1501                                 if( i_current_fourcc && (WAVE_FORMAT_PCM == pWfx->wFormatTag) )
1502                                 {
1503                                     int val = i_channels;
1504                                     if( ! val )
1505                                         val = 2;
1506
1507                                     if( (   !pASCC->ChannelsGranularity
1508                                             && (unsigned int)val != pASCC->MinimumChannels
1509                                             && (unsigned int)val != pASCC->MaximumChannels)
1510                                         ||
1511                                         (   pASCC->ChannelsGranularity
1512                                             && ((val % pASCC->ChannelsGranularity)
1513                                                 || (unsigned int)val < pASCC->MinimumChannels
1514                                                 || (unsigned int)val > pASCC->MaximumChannels)))
1515                                     {
1516                                         // required number channels not available, try next media type
1517                                         FreeMediaType( *p_mt );
1518                                         CoTaskMemFree( (PVOID)p_mt );
1519                                         continue;
1520                                     }
1521                                     pWfx->nChannels = val;
1522
1523                                     val = i_samplespersec;
1524                                     if( ! val )
1525                                         val = 44100;
1526
1527                                     if( (   !pASCC->SampleFrequencyGranularity
1528                                             && (unsigned int)val != pASCC->MinimumSampleFrequency
1529                                             && (unsigned int)val != pASCC->MaximumSampleFrequency)
1530                                         ||
1531                                         (   pASCC->SampleFrequencyGranularity
1532                                             && ((val % pASCC->SampleFrequencyGranularity)
1533                                                 || (unsigned int)val < pASCC->MinimumSampleFrequency
1534                                                 || (unsigned int)val > pASCC->MaximumSampleFrequency )))
1535                                     {
1536                                         // required sampling rate not available, try next media type
1537                                         FreeMediaType( *p_mt );
1538                                         CoTaskMemFree( (PVOID)p_mt );
1539                                         continue;
1540                                     }
1541                                     pWfx->nSamplesPerSec = val;
1542
1543                                     val = i_bitspersample;
1544                                     if( ! val )
1545                                     {
1546                                         if( VLC_CODEC_FL32 == i_current_fourcc )
1547                                             val = 32;
1548                                         else
1549                                             val = 16;
1550                                     }
1551
1552                                     if( (   !pASCC->BitsPerSampleGranularity
1553                                             && (unsigned int)val != pASCC->MinimumBitsPerSample
1554                                             && (unsigned int)val != pASCC->MaximumBitsPerSample )
1555                                         ||
1556                                         (   pASCC->BitsPerSampleGranularity
1557                                             && ((val % pASCC->BitsPerSampleGranularity)
1558                                                 || (unsigned int)val < pASCC->MinimumBitsPerSample
1559                                                 || (unsigned int)val > pASCC->MaximumBitsPerSample )))
1560                                     {
1561                                         // required sample size not available, try next media type
1562                                         FreeMediaType( *p_mt );
1563                                         CoTaskMemFree( (PVOID)p_mt );
1564                                         continue;
1565                                     }
1566
1567                                     pWfx->wBitsPerSample = val;
1568                                     pWfx->nBlockAlign = (pWfx->wBitsPerSample * pWfx->nChannels)/8;
1569                                     pWfx->nAvgBytesPerSec = pWfx->nSamplesPerSec * pWfx->nBlockAlign;
1570
1571                                     // select this format as default
1572                                     if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1573                                     {
1574                                         i_priority = i_current_priority;
1575                                     }
1576                                 }
1577                             }
1578                             FreeMediaType( *p_mt );
1579                             CoTaskMemFree( (PVOID)p_mt );
1580                         }
1581                     }
1582                     CoTaskMemFree( (LPVOID)pSCC );
1583                     if( i_priority >= ES_PRIORITY_SELECTABLE_MIN )
1584                         msg_Dbg( p_this, "EnumDeviceCaps: input pin default format configured");
1585                 }
1586             }
1587             pSC->Release();
1588         }
1589
1590         /*
1591         ** Probe pin for available medias (may be a previously configured one)
1592         */
1593
1594         if( FAILED( p_output_pin->EnumMediaTypes( &p_enummt ) ) )
1595         {
1596             p_output_pin->Release();
1597             continue;
1598         }
1599
1600         while( p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1601         {
1602             int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1603             if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Video
1604                 && p_mt->formattype == FORMAT_VideoInfo )
1605             {
1606                 int i_current_width = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1607                 int i_current_height = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1608                 LONGLONG i_current_atpf = ((VIDEOINFOHEADER *)p_mt->pbFormat)->AvgTimePerFrame;
1609
1610                 if( i_current_height < 0 )
1611                     i_current_height = -i_current_height;
1612
1613                 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1614                          "accepts chroma: %4.4s, width:%i, height:%i, fps:%f",
1615                          (char *)&i_current_fourcc, i_current_width,
1616                          i_current_height, (10000000.0f/((float)i_current_atpf)) );
1617
1618                 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1619                     ( !i_width || i_width == i_current_width ) &&
1620                     ( !i_height || i_height == i_current_height ) &&
1621                     ( !i_AvgTimePerFrame || i_AvgTimePerFrame == i_current_atpf ) &&
1622                     mt_count < mt_max )
1623                 {
1624                     /* Pick match */
1625                     mt[mt_count++] = *p_mt;
1626                 }
1627                 else FreeMediaType( *p_mt );
1628             }
1629             else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Audio
1630                     && p_mt->formattype == FORMAT_WaveFormatEx)
1631             {
1632                 int i_current_channels =
1633                     ((WAVEFORMATEX *)p_mt->pbFormat)->nChannels;
1634                 int i_current_samplespersec =
1635                     ((WAVEFORMATEX *)p_mt->pbFormat)->nSamplesPerSec;
1636                 int i_current_bitspersample =
1637                     ((WAVEFORMATEX *)p_mt->pbFormat)->wBitsPerSample;
1638
1639                 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1640                          "accepts format: %4.4s, channels:%i, "
1641                          "samples/sec:%i bits/sample:%i",
1642                          (char *)&i_current_fourcc, i_current_channels,
1643                          i_current_samplespersec, i_current_bitspersample);
1644
1645                 if( (!i_channels || i_channels == i_current_channels) &&
1646                     (!i_samplespersec ||
1647                      i_samplespersec == i_current_samplespersec) &&
1648                     (!i_bitspersample ||
1649                      i_bitspersample == i_current_bitspersample) &&
1650                     mt_count < mt_max )
1651                 {
1652                     /* Pick  match */
1653                     mt[mt_count++] = *p_mt;
1654
1655                     /* Setup a few properties like the audio latency */
1656                     IAMBufferNegotiation *p_ambuf;
1657                     if( SUCCEEDED( p_output_pin->QueryInterface(
1658                           IID_IAMBufferNegotiation, (void **)&p_ambuf ) ) )
1659                     {
1660                         ALLOCATOR_PROPERTIES AllocProp;
1661                         AllocProp.cbAlign = -1;
1662
1663                         /* 100 ms of latency */
1664                         AllocProp.cbBuffer = i_current_channels *
1665                           i_current_samplespersec *
1666                           i_current_bitspersample / 8 / 10;
1667
1668                         AllocProp.cbPrefix = -1;
1669                         AllocProp.cBuffers = -1;
1670                         p_ambuf->SuggestAllocatorProperties( &AllocProp );
1671                         p_ambuf->Release();
1672                     }
1673                 }
1674                 else FreeMediaType( *p_mt );
1675             }
1676             else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Stream )
1677             {
1678                 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1679                          "accepts stream format: %4.4s",
1680                          (char *)&i_current_fourcc );
1681
1682                 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1683                     mt_count < mt_max )
1684                 {
1685                     /* Pick match */
1686                     mt[mt_count++] = *p_mt;
1687                     i_fourcc = i_current_fourcc;
1688                 }
1689                 else FreeMediaType( *p_mt );
1690             }
1691             else
1692             {
1693                 const char * psz_type = "unknown";
1694                 if( p_mt->majortype == MEDIATYPE_Video ) psz_type = "video";
1695                 if( p_mt->majortype == MEDIATYPE_Audio ) psz_type = "audio";
1696                 if( p_mt->majortype == MEDIATYPE_Stream ) psz_type = "stream";
1697                 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: unsupported format "
1698                          "(%s %4.4s)", psz_type, (char *)&p_mt->subtype );
1699
1700                 FreeMediaType( *p_mt );
1701             }
1702             CoTaskMemFree( (PVOID)p_mt );
1703         }
1704
1705         if( !mt_count && p_enummt->Reset() == S_OK )
1706         {
1707             // VLC did not find any supported MEDIATYPE for this output pin.
1708             // However the graph builder might insert converter filters in
1709             // the graph if we use a different codec in VLC filter input pin.
1710             // however, in order to avoid nasty surprises, make use of this
1711             // facility only for known unsupported codecs.
1712
1713             while( !mt_count && p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1714             {
1715                 // the first four bytes of subtype GUID contains the codec FOURCC
1716                 const char *pfcc = (char *)&p_mt->subtype;
1717                 int i_current_fourcc = VLC_FOURCC(pfcc[0], pfcc[1], pfcc[2], pfcc[3]);
1718                 if( VLC_FOURCC('H','C','W','2') == i_current_fourcc
1719                  && p_mt->majortype == MEDIATYPE_Video )
1720                 {
1721                     // output format for 'Hauppauge WinTV PVR PCI II Capture'
1722                     // try I420 as an input format
1723                     i_current_fourcc = VLC_CODEC_I420;
1724                     if( !i_fourcc || i_fourcc == i_current_fourcc )
1725                     {
1726                         // return alternative media type
1727                         AM_MEDIA_TYPE mtr;
1728                         VIDEOINFOHEADER vh;
1729
1730                         mtr.majortype            = MEDIATYPE_Video;
1731                         mtr.subtype              = MEDIASUBTYPE_I420;
1732                         mtr.bFixedSizeSamples    = TRUE;
1733                         mtr.bTemporalCompression = FALSE;
1734                         mtr.pUnk                 = NULL;
1735                         mtr.formattype           = FORMAT_VideoInfo;
1736                         mtr.cbFormat             = sizeof(vh);
1737                         mtr.pbFormat             = (BYTE *)&vh;
1738
1739                         memset(&vh, 0, sizeof(vh));
1740
1741                         vh.bmiHeader.biSize   = sizeof(vh.bmiHeader);
1742                         vh.bmiHeader.biWidth  = i_width > 0 ? i_width :
1743                             ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1744                         vh.bmiHeader.biHeight = i_height > 0 ? i_height :
1745                             ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1746                         vh.bmiHeader.biPlanes      = 3;
1747                         vh.bmiHeader.biBitCount    = 12;
1748                         vh.bmiHeader.biCompression = VLC_CODEC_I420;
1749                         vh.bmiHeader.biSizeImage   = vh.bmiHeader.biWidth * 12 *
1750                             vh.bmiHeader.biHeight / 8;
1751                         mtr.lSampleSize            = vh.bmiHeader.biSizeImage;
1752
1753                         msg_Dbg( p_this, "EnumDeviceCaps: input pin media: using 'I420' in place of unsupported format 'HCW2'");
1754
1755                         if( SUCCEEDED(CopyMediaType(mt+mt_count, &mtr)) )
1756                             ++mt_count;
1757                     }
1758                 }
1759                 FreeMediaType( *p_mt );
1760             }
1761         }
1762
1763         p_enummt->Release();
1764         p_output_pin->Release();
1765     }
1766
1767     p_enumpins->Release();
1768     return mt_count;
1769 }
1770
1771 /*****************************************************************************
1772  * ReadCompressed: reads compressed (MPEG/DV) data from the device.
1773  *****************************************************************************
1774  * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
1775  * bytes.
1776  *****************************************************************************/
1777 static block_t *ReadCompressed( access_t *p_access )
1778 {
1779     access_sys_t   *p_sys = p_access->p_sys;
1780     dshow_stream_t *p_stream = NULL;
1781     VLCMediaSample sample;
1782
1783     /* Read 1 DV/MPEG frame (they contain the video and audio data) */
1784
1785     /* There must be only 1 elementary stream to produce a valid stream
1786      * of MPEG or DV data */
1787     p_stream = p_sys->pp_streams[0];
1788
1789     while( 1 )
1790     {
1791         if( !vlc_object_alive (p_access) ) return NULL;
1792
1793         /* Get new sample/frame from the elementary stream (blocking). */
1794         vlc_mutex_lock( &p_sys->lock );
1795
1796         if( p_stream->p_capture_filter->CustomGetPin()
1797               ->CustomGetSample( &sample ) != S_OK )
1798         {
1799             /* No data available. Wait until some data has arrived */
1800             vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1801             vlc_mutex_unlock( &p_sys->lock );
1802             continue;
1803         }
1804
1805         vlc_mutex_unlock( &p_sys->lock );
1806
1807         /*
1808          * We got our sample
1809          */
1810         block_t *p_block;
1811         uint8_t *p_data;
1812         int i_data_size = sample.p_sample->GetActualDataLength();
1813
1814         if( !i_data_size || !(p_block = block_Alloc( i_data_size )) )
1815         {
1816             sample.p_sample->Release();
1817             continue;
1818         }
1819
1820         sample.p_sample->GetPointer( &p_data );
1821         memcpy( p_block->p_buffer, p_data, i_data_size );
1822         sample.p_sample->Release();
1823
1824         /* The caller got what he wanted */
1825         return p_block;
1826     }
1827
1828     return NULL; /* never reached */
1829 }
1830
1831 /****************************************************************************
1832  * Demux:
1833  ****************************************************************************/
1834 static int Demux( demux_t *p_demux )
1835 {
1836     access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
1837     int i_found_samples;
1838
1839     i_found_samples = 0;
1840     vlc_mutex_lock( &p_sys->lock );
1841
1842     while ( !i_found_samples )
1843     {
1844         /* Try to grab samples from all streams */
1845         for( int i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1846         {
1847             dshow_stream_t *p_stream = p_sys->pp_streams[i_stream];
1848             if( p_stream->p_capture_filter &&
1849                 p_stream->p_capture_filter->CustomGetPin()
1850                 ->CustomGetSamples( p_stream->samples_queue ) == S_OK )
1851             {
1852                 i_found_samples = 1;
1853             }
1854         }
1855
1856         if ( !i_found_samples)
1857         {
1858             /* Didn't find any audio nor video sample, just wait till the
1859              * dshow thread pushes some samples */
1860             vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1861             /* Some DShow thread pushed data, or the OS broke the wait all
1862              * by itself. In all cases, it's *strongly* advised to test the
1863              * condition again, so let the loop do the test again */
1864         }
1865     }
1866
1867     vlc_mutex_unlock( &p_sys->lock );
1868
1869     for ( int i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1870     {
1871         int i_samples;
1872         dshow_stream_t *p_stream = p_sys->pp_streams[i_stream];
1873
1874         i_samples = p_stream->samples_queue.size();
1875         while ( i_samples > 0 )
1876         {
1877             int i_data_size;
1878             uint8_t *p_data;
1879             block_t *p_block;
1880             VLCMediaSample sample;
1881
1882             sample = p_stream->samples_queue.front();
1883             p_stream->samples_queue.pop_front();
1884
1885             i_data_size = sample.p_sample->GetActualDataLength();
1886             sample.p_sample->GetPointer( &p_data );
1887
1888             REFERENCE_TIME i_pts, i_end_date;
1889             HRESULT hr = sample.p_sample->GetTime( &i_pts, &i_end_date );
1890             if( hr == S_OK || hr == VFW_S_NO_STOP_TIME )
1891             {
1892                 if( p_stream->mt.majortype == MEDIATYPE_Video || !p_stream->b_pts )
1893                 {
1894                     /* Use our data timestamp */
1895                     i_pts = sample.i_timestamp;
1896                     p_stream->b_pts = true;
1897                 }
1898                 i_pts += (i_pts >= 0) ? +5 : -4;
1899                 i_pts /= 10; /* 100-ns to µs conversion */
1900                 i_pts += VLC_TS_0;
1901             }
1902             else
1903                 i_pts = VLC_TS_INVALID;
1904 #if 0
1905             msg_Dbg( p_demux, "Read() stream: %i, size: %i, PTS: %"PRId64,
1906                      i_stream, i_data_size, i_pts );
1907 #endif
1908
1909             p_block = block_Alloc( i_data_size );
1910             memcpy( p_block->p_buffer, p_data, i_data_size );
1911             p_block->i_pts = p_block->i_dts = i_pts;
1912             sample.p_sample->Release();
1913
1914             if( i_pts > VLC_TS_INVALID )
1915                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_pts );
1916             es_out_Send( p_demux->out, p_stream->p_es, p_block );
1917
1918             i_samples--;
1919         }
1920     }
1921
1922     return 1;
1923 }
1924
1925 /*****************************************************************************
1926  * AccessControl:
1927  *****************************************************************************/
1928 static int AccessControl( access_t *p_access, int i_query, va_list args )
1929 {
1930     bool    *pb_bool;
1931     int64_t *pi_64;
1932
1933     switch( i_query )
1934     {
1935     case ACCESS_CAN_SEEK:
1936     case ACCESS_CAN_FASTSEEK:
1937     case ACCESS_CAN_PAUSE:
1938     case ACCESS_CAN_CONTROL_PACE:
1939         pb_bool = (bool*)va_arg( args, bool* );
1940         *pb_bool = false;
1941         break;
1942
1943     case ACCESS_GET_PTS_DELAY:
1944         pi_64 = (int64_t*)va_arg( args, int64_t * );
1945         *pi_64 =
1946             INT64_C(1000) * var_InheritInteger( p_access, "live-caching" );
1947         break;
1948
1949     default:
1950         return VLC_EGENERIC;
1951     }
1952
1953     return VLC_SUCCESS;
1954 }
1955
1956 /****************************************************************************
1957  * DemuxControl:
1958  ****************************************************************************/
1959 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
1960 {
1961     bool    *pb;
1962     int64_t *pi64;
1963
1964     switch( i_query )
1965     {
1966     /* Special for access_demux */
1967     case DEMUX_CAN_PAUSE:
1968     case DEMUX_CAN_SEEK:
1969     case DEMUX_SET_PAUSE_STATE:
1970     case DEMUX_CAN_CONTROL_PACE:
1971         pb = (bool*)va_arg( args, bool * );
1972         *pb = false;
1973         return VLC_SUCCESS;
1974
1975     case DEMUX_GET_PTS_DELAY:
1976         pi64 = (int64_t*)va_arg( args, int64_t * );
1977         *pi64 =
1978             INT64_C(1000) * var_InheritInteger( p_demux, "live-caching" );
1979         return VLC_SUCCESS;
1980
1981     case DEMUX_GET_TIME:
1982         pi64 = (int64_t*)va_arg( args, int64_t * );
1983         *pi64 = mdate();
1984         return VLC_SUCCESS;
1985
1986     /* TODO implement others */
1987     default:
1988         return VLC_EGENERIC;
1989     }
1990
1991     return VLC_EGENERIC;
1992 }
1993
1994 /*****************************************************************************
1995  * config variable callback
1996  *****************************************************************************/
1997 static int FindDevices( vlc_object_t *p_this, const char *psz_name,
1998                             char ***vp, char ***tp )
1999 {
2000     /* Find list of devices */
2001     list<string> list_devices;
2002     if( SUCCEEDED(CoInitializeEx( NULL, COINIT_MULTITHREADED ))
2003      || SUCCEEDED(CoInitializeEx( NULL, COINIT_APARTMENTTHREADED )) )
2004     {
2005         bool b_audio = !strcmp( psz_name, CFG_PREFIX "adev" );
2006
2007         FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
2008         CoUninitialize();
2009     }
2010
2011     unsigned count = 2 + list_devices.size(), i = 2;
2012     char **values = (char **)xmalloc( count * sizeof(*values) );
2013     char **texts = (char **)xmalloc( count * sizeof(*texts) );
2014
2015     values[0] = strdup( "" );
2016     texts[0] = strdup( N_("Default") );
2017     values[1] = strdup( "none" );
2018     texts[1] = strdup( N_("None") );
2019
2020     for( list<string>::iterator iter = list_devices.begin();
2021          iter != list_devices.end();
2022          ++iter )
2023     {
2024         assert( i < count );
2025         values[i] = strdup( iter->c_str() );
2026         texts[i] = strdup( iter->c_str() );
2027         i++;
2028     }
2029
2030     *vp = values;
2031     *tp = texts;
2032     return count;
2033 }
2034
2035 static int ConfigDevicesCallback( vlc_object_t *p_this, char const *psz_name,
2036                                   vlc_value_t newval, vlc_value_t, void * )
2037 {
2038     module_config_t *p_item;
2039     bool b_audio = false;
2040     char *psz_device = NULL;
2041     int i_ret = VLC_SUCCESS;
2042
2043     if( FAILED(CoInitializeEx( NULL, COINIT_MULTITHREADED ))
2044      && FAILED(CoInitializeEx( NULL, COINIT_APARTMENTTHREADED )) )
2045         return VLC_EGENERIC;
2046
2047     if( !EMPTY_STR( newval.psz_string ) )
2048         psz_device = strdup( newval.psz_string );
2049
2050
2051     p_item = config_FindConfig( p_this, psz_name );
2052
2053     if( !p_item )
2054     {
2055         free( psz_device );
2056         CoUninitialize();
2057         return VLC_SUCCESS;
2058     }
2059
2060     if( !strcmp( psz_name, CFG_PREFIX "adev" ) ) b_audio = true;
2061
2062     string devicename;
2063
2064     if( psz_device )
2065     {
2066         devicename = psz_device ;
2067     }
2068     else
2069     {
2070         /* If no device name was specified, pick the 1st one */
2071         list<string> list_devices;
2072
2073         /* Enumerate devices */
2074         FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
2075         if( list_devices.empty() )
2076         {
2077             CoUninitialize();
2078             return VLC_EGENERIC;
2079         }
2080         devicename = *list_devices.begin();
2081     }
2082
2083     IBaseFilter *p_device_filter =
2084         FindCaptureDevice( p_this, &devicename, NULL, b_audio );
2085     if( p_device_filter )
2086     {
2087         ShowPropertyPage( p_device_filter );
2088         p_device_filter->Release();
2089     }
2090     else
2091     {
2092         msg_Err( p_this, "didn't find device: %s", devicename.c_str() );
2093         i_ret = VLC_EGENERIC;
2094     }
2095
2096     CoUninitialize();
2097     free( psz_device );
2098     return i_ret;
2099 }
2100
2101 /*****************************************************************************
2102  * Properties
2103  *****************************************************************************/
2104
2105 static void ShowPropertyPage( IUnknown *obj )
2106 {
2107     ISpecifyPropertyPages *p_spec;
2108     CAUUID cauuid;
2109
2110     HRESULT hr = obj->QueryInterface( IID_ISpecifyPropertyPages,
2111                                       (void **)&p_spec );
2112     if( FAILED(hr) ) return;
2113
2114     if( SUCCEEDED(p_spec->GetPages( &cauuid )) )
2115     {
2116         if( cauuid.cElems > 0 )
2117         {
2118             HWND hwnd_desktop = ::GetDesktopWindow();
2119
2120             OleCreatePropertyFrame( hwnd_desktop, 30, 30, NULL, 1, &obj,
2121                                     cauuid.cElems, cauuid.pElems, 0, 0, NULL );
2122
2123             CoTaskMemFree( cauuid.pElems );
2124         }
2125         p_spec->Release();
2126     }
2127 }
2128
2129 static void ShowDeviceProperties( vlc_object_t *p_this,
2130                                   ICaptureGraphBuilder2 *p_graph,
2131                                   IBaseFilter *p_device_filter,
2132                                   bool b_audio )
2133 {
2134     HRESULT hr;
2135     msg_Dbg( p_this, "configuring Device Properties" );
2136
2137     /*
2138      * Video or audio capture filter page
2139      */
2140     ShowPropertyPage( p_device_filter );
2141
2142     /*
2143      * Audio capture pin
2144      */
2145     if( p_graph && b_audio )
2146     {
2147         IAMStreamConfig *p_SC;
2148
2149         msg_Dbg( p_this, "showing WDM Audio Configuration Pages" );
2150
2151         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2152                                      &MEDIATYPE_Audio, p_device_filter,
2153                                      IID_IAMStreamConfig, (void **)&p_SC );
2154         if( SUCCEEDED(hr) )
2155         {
2156             ShowPropertyPage(p_SC);
2157             p_SC->Release();
2158         }
2159
2160         /*
2161          * TV Audio filter
2162          */
2163         IAMTVAudio *p_TVA;
2164         HRESULT hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2165                                              &MEDIATYPE_Audio, p_device_filter,
2166                                              IID_IAMTVAudio, (void **)&p_TVA );
2167         if( SUCCEEDED(hr) )
2168         {
2169             ShowPropertyPage(p_TVA);
2170             p_TVA->Release();
2171         }
2172     }
2173
2174     /*
2175      * Video capture pin
2176      */
2177     if( p_graph && !b_audio )
2178     {
2179         IAMStreamConfig *p_SC;
2180
2181         msg_Dbg( p_this, "showing WDM Video Configuration Pages" );
2182
2183         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2184                                      &MEDIATYPE_Interleaved, p_device_filter,
2185                                      IID_IAMStreamConfig, (void **)&p_SC );
2186         if( FAILED(hr) )
2187         {
2188             hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2189                                          &MEDIATYPE_Video, p_device_filter,
2190                                          IID_IAMStreamConfig, (void **)&p_SC );
2191         }
2192
2193         if( FAILED(hr) )
2194         {
2195             hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2196                                          &MEDIATYPE_Stream, p_device_filter,
2197                                          IID_IAMStreamConfig, (void **)&p_SC );
2198         }
2199
2200         if( SUCCEEDED(hr) )
2201         {
2202             ShowPropertyPage(p_SC);
2203             p_SC->Release();
2204         }
2205     }
2206 }
2207
2208 static void ShowTunerProperties( vlc_object_t *p_this,
2209                                  ICaptureGraphBuilder2 *p_graph,
2210                                  IBaseFilter *p_device_filter,
2211                                  bool b_audio )
2212 {
2213     HRESULT hr;
2214     msg_Dbg( p_this, "configuring Tuner Properties" );
2215
2216     if( !p_graph || b_audio ) return;
2217
2218     IAMTVTuner *p_TV;
2219     hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2220                                  &MEDIATYPE_Interleaved, p_device_filter,
2221                                  IID_IAMTVTuner, (void **)&p_TV );
2222     if( FAILED(hr) )
2223     {
2224         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2225                                      &MEDIATYPE_Video, p_device_filter,
2226                                      IID_IAMTVTuner, (void **)&p_TV );
2227     }
2228
2229     if( FAILED(hr) )
2230     {
2231         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2232                                      &MEDIATYPE_Stream, p_device_filter,
2233                                      IID_IAMTVTuner, (void **)&p_TV );
2234     }
2235
2236     if( SUCCEEDED(hr) )
2237     {
2238         ShowPropertyPage(p_TV);
2239         p_TV->Release();
2240     }
2241 }
2242
2243 static void ConfigTuner( vlc_object_t *p_this, ICaptureGraphBuilder2 *p_graph,
2244                          IBaseFilter *p_device_filter )
2245 {
2246     int i_channel, i_country, i_input, i_amtuner_mode, i_standard;
2247     long l_modes = 0;
2248     unsigned i_frequency;
2249     IAMTVTuner *p_TV;
2250     HRESULT hr;
2251
2252     if( !p_graph ) return;
2253
2254     i_channel =      var_GetInteger( p_this, CFG_PREFIX "tuner-channel" );
2255     i_country =      var_GetInteger( p_this, CFG_PREFIX "tuner-country" );
2256     i_input =        var_GetInteger( p_this, CFG_PREFIX "tuner-input" );
2257     i_amtuner_mode = var_GetInteger( p_this, CFG_PREFIX "amtuner-mode" );
2258     i_frequency =    var_GetInteger( p_this, CFG_PREFIX "tuner-frequency" );
2259     i_standard =     var_GetInteger( p_this, CFG_PREFIX "tuner-standard" );
2260
2261     if( !i_channel && !i_frequency && !i_country && !i_input ) return; /* Nothing to do */
2262
2263     msg_Dbg( p_this, "tuner config: channel %i, frequency %i, country %i, input type %i, standard %s",
2264              i_channel, i_frequency, i_country, i_input, ppsz_standards_list_text[i_standard] );
2265
2266
2267     hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Interleaved,
2268                                  p_device_filter, IID_IAMTVTuner,
2269                                  (void **)&p_TV );
2270     if( FAILED(hr) )
2271     {
2272         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video,
2273                                      p_device_filter, IID_IAMTVTuner,
2274                                      (void **)&p_TV );
2275     }
2276
2277     if( FAILED(hr) )
2278     {
2279         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Stream,
2280                                      p_device_filter, IID_IAMTVTuner,
2281                                      (void **)&p_TV );
2282     }
2283
2284     if( FAILED(hr) )
2285     {
2286         msg_Dbg( p_this, "couldn't find tuner interface" );
2287         return;
2288     }
2289
2290     hr = p_TV->GetAvailableModes( &l_modes );
2291     if( SUCCEEDED(hr) && (l_modes & i_amtuner_mode) )
2292     {
2293         hr = p_TV->put_Mode( (AMTunerModeType)i_amtuner_mode );
2294     }
2295
2296     if( i_input == 1 ) p_TV->put_InputType( 0, TunerInputCable );
2297     else if( i_input == 2 ) p_TV->put_InputType( 0, TunerInputAntenna );
2298
2299     p_TV->put_CountryCode( i_country );
2300
2301     if( i_frequency <= 0 ) p_TV->put_Channel( i_channel, AMTUNER_SUBCHAN_NO_TUNE,
2302                        AMTUNER_SUBCHAN_NO_TUNE );
2303
2304     if( i_frequency > 0 || i_standard > 0) {
2305         IKsPropertySet *pKs = NULL;
2306         DWORD dw_supported = 0;
2307         KSPROPERTY_TUNER_MODE_CAPS_S ModeCaps;
2308         KSPROPERTY_TUNER_FREQUENCY_S Frequency;
2309         KSPROPERTY_TUNER_STANDARD_S Standard;
2310
2311         hr = p_TV->QueryInterface(IID_IKsPropertySet,(void **)&pKs);
2312         if (FAILED(hr))
2313         {
2314             msg_Dbg( p_this, "Couldn't QI for IKsPropertySet" );
2315             p_TV->Release();
2316             return;
2317         }
2318
2319         memset(&ModeCaps,0,sizeof(KSPROPERTY_TUNER_MODE_CAPS_S));
2320         memset(&Frequency,0,sizeof(KSPROPERTY_TUNER_FREQUENCY_S));
2321         memset(&Standard,0,sizeof(KSPROPERTY_TUNER_STANDARD_S));
2322         ModeCaps.Mode = AMTUNER_MODE_TV;
2323
2324         hr = pKs->QuerySupported(PROPSETID_TUNER,
2325                 KSPROPERTY_TUNER_MODE_CAPS,&dw_supported);
2326         if(SUCCEEDED(hr) && dw_supported&KSPROPERTY_SUPPORT_GET)
2327         {
2328             DWORD cbBytes=0;
2329             hr = pKs->Get(PROPSETID_TUNER,KSPROPERTY_TUNER_MODE_CAPS,
2330                 INSTANCEDATA_OF_PROPERTY_PTR(&ModeCaps),
2331                 INSTANCEDATA_OF_PROPERTY_SIZE(ModeCaps),
2332                 &ModeCaps,
2333                 sizeof(ModeCaps),
2334                 &cbBytes);
2335         }
2336         else
2337         {
2338             msg_Dbg( p_this, "KSPROPERTY_TUNER_MODE_CAPS not supported!" );
2339             goto free_on_error;
2340         }
2341
2342         msg_Dbg( p_this, "Frequency range supported from %ld to %ld.",
2343                  ModeCaps.MinFrequency, ModeCaps.MaxFrequency);
2344         msg_Dbg( p_this, "Video standards supported by the tuner: ");
2345         for(size_t i = 0 ; i < ARRAY_SIZE(ppsz_standards_list_text); i++) {
2346             if(ModeCaps.StandardsSupported & i_standards_list[i])
2347                 msg_Dbg( p_this, "%s, ", ppsz_standards_list_text[i]);
2348         }
2349
2350         if(i_frequency > 0) {
2351             Frequency.Frequency=i_frequency;
2352             if(ModeCaps.Strategy==KS_TUNER_STRATEGY_DRIVER_TUNES)
2353                 Frequency.TuningFlags=KS_TUNER_TUNING_FINE;
2354             else
2355                 Frequency.TuningFlags=KS_TUNER_TUNING_EXACT;
2356
2357             if(i_frequency>=ModeCaps.MinFrequency && i_frequency<=ModeCaps.MaxFrequency)
2358             {
2359
2360                 hr = pKs->Set(PROPSETID_TUNER,
2361                     KSPROPERTY_TUNER_FREQUENCY,
2362                     INSTANCEDATA_OF_PROPERTY_PTR(&Frequency),
2363                     INSTANCEDATA_OF_PROPERTY_SIZE(Frequency),
2364                     &Frequency,
2365                     sizeof(Frequency));
2366                 if(FAILED(hr))
2367                 {
2368                     msg_Dbg( p_this, "Couldn't set KSPROPERTY_TUNER_FREQUENCY!" );
2369                     goto free_on_error;
2370                 }
2371             }
2372             else
2373             {
2374                 msg_Dbg( p_this, "Requested frequency exceeds the supported range!" );
2375                 goto free_on_error;
2376             }
2377         }
2378
2379         if(i_standard > 0) {
2380             if(i_standard & ModeCaps.StandardsSupported )
2381             {
2382                 Standard.Standard = i_standard;
2383                 hr = pKs->Set(PROPSETID_TUNER,
2384                     KSPROPERTY_TUNER_STANDARD,
2385                     INSTANCEDATA_OF_PROPERTY_PTR(&Standard),
2386                     INSTANCEDATA_OF_PROPERTY_SIZE(Standard),
2387                     &Standard,
2388                     sizeof(Standard));
2389                 if(FAILED(hr))
2390                 {
2391                     msg_Dbg( p_this, "Couldn't set KSPROPERTY_TUNER_STANDARD!" );
2392                     goto free_on_error;
2393                 }
2394             }
2395             else
2396             {
2397                 msg_Dbg( p_this, "Requested video standard is not supported by the tuner!" );
2398                 goto free_on_error;
2399             }
2400         }
2401 free_on_error:
2402         pKs->Release();
2403     }
2404
2405     p_TV->Release();
2406 }