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
  40 #include <vlc_common.h>
  41 #include <vlc_plugin.h>
  42 #include <vlc_access.h>
  43 #include <vlc_demux.h>
  44
  45 #include <vlc_dialog.h>      /* dialog_Fatal */
  46 #include <vlc_charset.h>     /* FromWide */
  47
  48 #include <initguid.h>
  49 #include "vlc_dshow.h"
  50
  51 #include "access.h"
  52 #include "filter.h"
  53
  54 #define INSTANCEDATA_OF_PROPERTY_PTR(x) ((PKSPROPERTY((x))) + 1)
  55 #define INSTANCEDATA_OF_PROPERTY_SIZE(x) (sizeof((x)) - sizeof(KSPROPERTY))
  56
  57 /*****************************************************************************
  58  * Access: local prototypes
  59  *****************************************************************************/
  60 static block_t *ReadCompressed( access_t * );
  61 static int AccessControl ( access_t *, int, va_list );
  62
  63 static int Demux       ( demux_t * );
  64 static int DemuxControl( demux_t *, int, va_list );
  65
  66 static int OpenDevice( vlc_object_t *, access_sys_t *, string, bool );
  67 static IBaseFilter *FindCaptureDevice( vlc_object_t *, string *,
  68                                        list<string> *, bool );
  69 static size_t EnumDeviceCaps( vlc_object_t *, IBaseFilter *,
  70                               int, int, int, int, int, int,
  71                               AM_MEDIA_TYPE *mt, size_t );
  72 static bool ConnectFilters( vlc_object_t *, access_sys_t *,
  73                             IBaseFilter *, CaptureFilter * );
  74 static int FindDevicesCallback( vlc_object_t *, char const *,
  75                                 vlc_value_t, vlc_value_t, void * );
  76 static int ConfigDevicesCallback( vlc_object_t *, char const *,
  77                                   vlc_value_t, vlc_value_t, void * );
  78
  79 static void ShowPropertyPage( IUnknown * );
  80 static void ShowDeviceProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
  81                                   IBaseFilter *, bool );
  82 static void ShowTunerProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
  83                                  IBaseFilter *, bool );
  84 static void ConfigTuner( vlc_object_t *, ICaptureGraphBuilder2 *,
  85                          IBaseFilter * );
  86
  87 /*****************************************************************************
  88  * Module descriptor
  89  *****************************************************************************/
  90 static const char *const ppsz_vdev[] = { "", "none" };
  91 static const char *const ppsz_vdev_text[] = { N_("Default"), N_("None") };
  92
  93 static const char *const ppsz_adev[] = { "", "none" };
  94 static const char *const ppsz_adev_text[] = { N_("Default"), N_("None") };
  95
  96 static const int pi_tuner_input[] = { 0, 1, 2 };
  97 static const char *const ppsz_tuner_input_text[] =
  98     {N_("Default"), N_("Cable"), N_("Antenna")};
  99
 100 static const int pi_amtuner_mode[]  = { AMTUNER_MODE_DEFAULT,
 101                                         AMTUNER_MODE_TV,
 102                                         AMTUNER_MODE_FM_RADIO,
 103                                         AMTUNER_MODE_AM_RADIO,
 104                                         AMTUNER_MODE_DSS };
 105 static const char *const ppsz_amtuner_mode_text[] = { N_("Default"),
 106                                           N_("TV"),
 107                                           N_("FM radio"),
 108                                           N_("AM radio"),
 109                                           N_("DSS") };
 110
 111 static const int i_standards_list[] =
 112     {
 113         KS_AnalogVideo_None,
 114         KS_AnalogVideo_NTSC_M, KS_AnalogVideo_NTSC_M_J, KS_AnalogVideo_NTSC_433,
 115         KS_AnalogVideo_PAL_B, KS_AnalogVideo_PAL_D, KS_AnalogVideo_PAL_G,
 116         KS_AnalogVideo_PAL_H, KS_AnalogVideo_PAL_I, KS_AnalogVideo_PAL_M,
 117         KS_AnalogVideo_PAL_N, KS_AnalogVideo_PAL_60,
 118         KS_AnalogVideo_SECAM_B, KS_AnalogVideo_SECAM_D, KS_AnalogVideo_SECAM_G,
 119         KS_AnalogVideo_SECAM_H, KS_AnalogVideo_SECAM_K, KS_AnalogVideo_SECAM_K1,
 120         KS_AnalogVideo_SECAM_L, KS_AnalogVideo_SECAM_L1,
 121         KS_AnalogVideo_PAL_N_COMBO
 122     };
 123 static const char *const ppsz_standards_list_text[] =
 124     {
 125         N_("Default"),
 126         "NTSC_M", "NTSC_M_J", "NTSC_443",
 127         "PAL_B", "PAL_D", "PAL_G",
 128         "PAL_H", "PAL_I", "PAL_M",
 129         "PAL_N", "PAL_60",
 130         "SECAM_B", "SECAM_D", "SECAM_G",
 131         "SECAM_H", "SECAM_K", "SECAM_K1",
 132         "SECAM_L", "SECAM_L1",
 133         "PAL_N_COMBO"
 134     };
 135
 136 #define VDEV_TEXT N_("Video device name")
 137 #define VDEV_LONGTEXT N_( \
 138     "Name of the video 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 ADEV_TEXT N_("Audio device name")
 142 #define ADEV_LONGTEXT N_( \
 143     "Name of the audio device that will be used by the " \
 144     "DirectShow plugin. If you don't specify anything, the default device " \
 145     "will be used. ")
 146 #define SIZE_TEXT N_("Video size")
 147 #define SIZE_LONGTEXT N_( \
 148     "Size of the video that will be displayed by the " \
 149     "DirectShow plugin. If you don't specify anything the default size for " \
 150     "your device will be used. You can specify a standard size (cif, d1, ...) or <width>x<height>.")
 151 #define ASPECT_TEXT N_("Picture aspect-ratio n:m")
 152 #define ASPECT_LONGTEXT N_("Define input picture aspect-ratio to use. Default is 4:3" )
 153 #define CHROMA_TEXT N_("Video input chroma format")
 154 #define CHROMA_LONGTEXT N_( \
 155     "Force the DirectShow video input to use a specific chroma format " \
 156     "(eg. I420 (default), RV24, etc.)")
 157 #define FPS_TEXT N_("Video input frame rate")
 158 #define FPS_LONGTEXT N_( \
 159     "Force the DirectShow video input to use a specific frame rate" \
 160     "(eg. 0 means default, 25, 29.97, 50, 59.94, etc.)")
 161 #define CONFIG_TEXT N_("Device properties")
 162 #define CONFIG_LONGTEXT N_( \
 163     "Show the properties dialog of the selected device before starting the " \
 164     "stream.")
 165 #define TUNER_TEXT N_("Tuner properties")
 166 #define TUNER_LONGTEXT N_( \
 167     "Show the tuner properties [channel selection] page." )
 168 #define CHANNEL_TEXT N_("Tuner TV Channel")
 169 #define CHANNEL_LONGTEXT N_( \
 170     "Set the TV channel the tuner will set to " \
 171     "(0 means default)." )
 172 #define TVFREQ_TEXT N_("Tuner Frequency")
 173 #define TVFREQ_LONGTEXT N_(  "This overrides the channel. Measured in Hz." )
 174 #define STANDARD_TEXT N_( "Video standard" )
 175 #define COUNTRY_TEXT N_("Tuner country code")
 176 #define COUNTRY_LONGTEXT N_( \
 177     "Set the tuner country code that establishes the current " \
 178     "channel-to-frequency mapping (0 means default)." )
 179 #define TUNER_INPUT_TEXT N_("Tuner input type")
 180 #define TUNER_INPUT_LONGTEXT N_( \
 181     "Select the tuner input type (Cable/Antenna)." )
 182 #define VIDEO_IN_TEXT N_("Video input pin")
 183 #define VIDEO_IN_LONGTEXT N_( \
 184   "Select the video input source, such as composite, s-video, " \
 185   "or tuner. Since these settings are hardware-specific, you should find good " \
 186   "settings in the \"Device config\" area, and use those numbers here. -1 " \
 187   "means that settings will not be changed.")
 188 #define AUDIO_IN_TEXT N_("Audio input pin")
 189 #define AUDIO_IN_LONGTEXT N_( \
 190   "Select the audio input source. See the \"video input\" option." )
 191 #define VIDEO_OUT_TEXT N_("Video output pin")
 192 #define VIDEO_OUT_LONGTEXT N_( \
 193   "Select the video output type. See the \"video input\" option." )
 194 #define AUDIO_OUT_TEXT N_("Audio output pin")
 195 #define AUDIO_OUT_LONGTEXT N_( \
 196   "Select the audio output type. See the \"video input\" option." )
 197
 198 #define AMTUNER_MODE_TEXT N_("AM Tuner mode")
 199 #define AMTUNER_MODE_LONGTEXT N_( \
 200     "AM Tuner mode. Can be one of Default (0), TV (1)," \
 201      "AM Radio (2), FM Radio (3) or DSS (4).")
 202
 203 #define AUDIO_CHANNELS_TEXT N_("Number of audio channels")
 204 #define AUDIO_CHANNELS_LONGTEXT N_( \
 205     "Select audio input format with the given number of audio channels (if non 0)" )
 206
 207 #define AUDIO_SAMPLERATE_TEXT N_("Audio sample rate")
 208 #define AUDIO_SAMPLERATE_LONGTEXT N_( \
 209     "Select audio input format with the given sample rate (if non 0)" )
 210
 211 #define AUDIO_BITSPERSAMPLE_TEXT N_("Audio bits per sample")
 212 #define AUDIO_BITSPERSAMPLE_LONGTEXT N_( \
 213     "Select audio input format with the given bits/sample (if non 0)" )
 214
 215 static int  CommonOpen ( vlc_object_t *, access_sys_t *, bool );
 216 static void CommonClose( vlc_object_t *, access_sys_t * );
 217
 218 static int  AccessOpen ( vlc_object_t * );
 219 static void AccessClose( vlc_object_t * );
 220
 221 static int  DemuxOpen  ( vlc_object_t * );
 222 static void DemuxClose ( vlc_object_t * );
 223
 224 vlc_module_begin ()
 225     set_shortname( N_("DirectShow") )
 226     set_description( N_("DirectShow input") )
 227     set_category( CAT_INPUT )
 228     set_subcategory( SUBCAT_INPUT_ACCESS )
 229
 230     add_string( CFG_PREFIX "vdev", NULL, VDEV_TEXT, VDEV_LONGTEXT, false)
 231         change_string_list( ppsz_vdev, ppsz_vdev_text, FindDevicesCallback )
 232         change_action_add( FindDevicesCallback, N_("Refresh list") )
 233         change_action_add( ConfigDevicesCallback, N_("Configure") )
 234
 235     add_string( CFG_PREFIX "adev", NULL, ADEV_TEXT, ADEV_LONGTEXT, false)
 236         change_string_list( ppsz_adev, ppsz_adev_text, FindDevicesCallback )
 237         change_action_add( FindDevicesCallback, N_("Refresh list") )
 238         change_action_add( ConfigDevicesCallback, N_("Configure") )
 239
 240     add_string( CFG_PREFIX "size", NULL, SIZE_TEXT, SIZE_LONGTEXT, false)
 241         change_safe()
 242
 243     add_string( CFG_PREFIX "aspect-ratio", "4:3", ASPECT_TEXT, ASPECT_LONGTEXT, false)
 244         change_safe()
 245
 246     add_string( CFG_PREFIX "chroma", NULL, CHROMA_TEXT, CHROMA_LONGTEXT, true )
 247         change_safe()
 248
 249     add_float( CFG_PREFIX "fps", 0.0f, FPS_TEXT, FPS_LONGTEXT, true )
 250         change_safe()
 251
 252     add_bool( CFG_PREFIX "config", false, CONFIG_TEXT, CONFIG_LONGTEXT, true )
 253
 254     add_bool( CFG_PREFIX "tuner", false, TUNER_TEXT, TUNER_LONGTEXT, true )
 255
 256     add_integer( CFG_PREFIX "tuner-channel", 0, CHANNEL_TEXT, CHANNEL_LONGTEXT,
 257                 true )
 258         change_safe()
 259
 260     add_integer( CFG_PREFIX "tuner-frequency", 0, TVFREQ_TEXT, TVFREQ_LONGTEXT,
 261                 true )
 262         change_safe()
 263
 264     add_integer( CFG_PREFIX "tuner-country", 0, COUNTRY_TEXT, COUNTRY_LONGTEXT,
 265                 true )
 266
 267     add_integer( CFG_PREFIX "tuner-standard", 0, STANDARD_TEXT, STANDARD_TEXT,
 268                 false )
 269         change_integer_list( i_standards_list, ppsz_standards_list_text )
 270         change_safe()
 271
 272     add_integer( CFG_PREFIX "tuner-input", 0, TUNER_INPUT_TEXT,
 273                  TUNER_INPUT_LONGTEXT, true )
 274         change_integer_list( pi_tuner_input, ppsz_tuner_input_text )
 275         change_safe()
 276
 277     add_integer( CFG_PREFIX "video-input",  -1, VIDEO_IN_TEXT,
 278                  VIDEO_IN_LONGTEXT, true )
 279         change_safe()
 280
 281     add_integer( CFG_PREFIX "video-output", -1, VIDEO_OUT_TEXT,
 282                  VIDEO_OUT_LONGTEXT, true )
 283
 284     add_integer( CFG_PREFIX "audio-input",  -1, AUDIO_IN_TEXT,
 285                  AUDIO_IN_LONGTEXT, true )
 286         change_safe()
 287
 288     add_integer( CFG_PREFIX "audio-output", -1, AUDIO_OUT_TEXT,
 289                  AUDIO_OUT_LONGTEXT, true )
 290
 291     add_integer( CFG_PREFIX "amtuner-mode", AMTUNER_MODE_TV,
 292                 AMTUNER_MODE_TEXT, AMTUNER_MODE_LONGTEXT, false)
 293         change_integer_list( pi_amtuner_mode, ppsz_amtuner_mode_text )
 294         change_safe()
 295
 296     add_integer( CFG_PREFIX "audio-channels", 0, AUDIO_CHANNELS_TEXT,
 297                  AUDIO_CHANNELS_LONGTEXT, true )
 298     add_integer( CFG_PREFIX "audio-samplerate", 0, AUDIO_SAMPLERATE_TEXT,
 299                  AUDIO_SAMPLERATE_LONGTEXT, true )
 300     add_integer( CFG_PREFIX "audio-bitspersample", 0, AUDIO_BITSPERSAMPLE_TEXT,
 301                  AUDIO_BITSPERSAMPLE_LONGTEXT, true )
 302
 303     add_shortcut( "dshow" )
 304     set_capability( "access_demux", 0 )
 305     set_callbacks( DemuxOpen, DemuxClose )
 306
 307     add_submodule ()
 308     set_description( N_("DirectShow input") )
 309     add_shortcut( "dshow" )
 310     set_capability( "access", 0 )
 311     set_callbacks( AccessOpen, AccessClose )
 312
 313 vlc_module_end ()
 314
 315
 316 /*****************************************************************************
 317  * DirectShow elementary stream descriptor
 318  *****************************************************************************/
 319 typedef struct dshow_stream_t
 320 {
 321     string          devicename;
 322     IBaseFilter     *p_device_filter;
 323     CaptureFilter   *p_capture_filter;
 324     AM_MEDIA_TYPE   mt;
 325
 326     union
 327     {
 328       VIDEOINFOHEADER video;
 329       WAVEFORMATEX    audio;
 330
 331     } header;
 332
 333     int             i_fourcc;
 334     es_out_id_t     *p_es;
 335
 336     bool      b_pts;
 337
 338     deque<VLCMediaSample> samples_queue;
 339 } dshow_stream_t;
 340
 341 /*****************************************************************************
 342  * DirectShow utility functions
 343  *****************************************************************************/
 344 static void CreateDirectShowGraph( access_sys_t *p_sys )
 345 {
 346     p_sys->i_crossbar_route_depth = 0;
 347
 348     /* Create directshow filter graph */
 349     if( SUCCEEDED( CoCreateInstance( CLSID_FilterGraph, 0, CLSCTX_INPROC,
 350                        (REFIID)IID_IFilterGraph, (void **)&p_sys->p_graph) ) )
 351     {
 352         /* Create directshow capture graph builder if available */
 353         if( SUCCEEDED( CoCreateInstance( CLSID_CaptureGraphBuilder2, 0,
 354                          CLSCTX_INPROC, (REFIID)IID_ICaptureGraphBuilder2,
 355                          (void **)&p_sys->p_capture_graph_builder2 ) ) )
 356         {
 357             p_sys->p_capture_graph_builder2->
 358                 SetFiltergraph((IGraphBuilder *)p_sys->p_graph);
 359         }
 360
 361         p_sys->p_graph->QueryInterface( IID_IMediaControl,
 362                                         (void **)&p_sys->p_control );
 363     }
 364 }
 365
 366 static void DeleteDirectShowGraph( access_sys_t *p_sys )
 367 {
 368     DeleteCrossbarRoutes( p_sys );
 369
 370     /* Remove filters from graph */
 371     for( int i = 0; i < p_sys->i_streams; i++ )
 372     {
 373         p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_capture_filter );
 374         p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_device_filter );
 375         p_sys->pp_streams[i]->p_capture_filter->Release();
 376         p_sys->pp_streams[i]->p_device_filter->Release();
 377     }
 378
 379     /* Release directshow objects */
 380     if( p_sys->p_control )
 381     {
 382         p_sys->p_control->Release();
 383         p_sys->p_control = NULL;
 384     }
 385     if( p_sys->p_capture_graph_builder2 )
 386     {
 387         p_sys->p_capture_graph_builder2->Release();
 388         p_sys->p_capture_graph_builder2 = NULL;
 389     }
 390
 391     if( p_sys->p_graph )
 392     {
 393         p_sys->p_graph->Release();
 394         p_sys->p_graph = NULL;
 395     }
 396 }
 397
 398 /*****************************************************************************
 399  * CommonOpen: open direct show device
 400  *****************************************************************************/
 401 static int CommonOpen( vlc_object_t *p_this, access_sys_t *p_sys,
 402                        bool b_access_demux )
 403 {
 404     char *psz_val;
 405
 406     /* Get/parse options and open device(s) */
 407     string vdevname, adevname;
 408     int i_width = 0, i_height = 0;
 409     vlc_fourcc_t i_chroma = 0;
 410     bool b_use_audio = true;
 411     bool b_use_video = true;
 412
 413     /* Initialize OLE/COM */
 414     CoInitialize( 0 );
 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_update = 0;
 705     p_demux->info.i_title = 0;
 706     p_demux->info.i_seekpoint = 0;
 707
 708     for( int i = 0; i < p_sys->i_streams; i++ )
 709     {
 710         dshow_stream_t *p_stream = p_sys->pp_streams[i];
 711         es_format_t fmt;
 712
 713         if( p_stream->mt.majortype == MEDIATYPE_Video )
 714         {
 715             char *psz_aspect = var_CreateGetString( p_this, CFG_PREFIX "aspect-ratio" );
 716             char *psz_delim = !EMPTY_STR( psz_aspect ) ? strchr( psz_aspect, ':' ) : NULL;
 717
 718             es_format_Init( &fmt, VIDEO_ES, p_stream->i_fourcc );
 719
 720             fmt.video.i_width  = p_stream->header.video.bmiHeader.biWidth;
 721             fmt.video.i_height = p_stream->header.video.bmiHeader.biHeight;
 722
 723             if( psz_delim )
 724             {
 725                 fmt.video.i_sar_num = atoi( psz_aspect ) * fmt.video.i_height;
 726                 fmt.video.i_sar_den = atoi( psz_delim + 1 ) * fmt.video.i_width;
 727             }
 728             else
 729             {
 730                 fmt.video.i_sar_num = 4 * fmt.video.i_height;
 731                 fmt.video.i_sar_den = 3 * fmt.video.i_width;
 732             }
 733             free( psz_aspect );
 734
 735             if( !p_stream->header.video.bmiHeader.biCompression )
 736             {
 737                 /* RGB DIB are coded from bottom to top */
 738                 fmt.video.i_height = (unsigned int)(-(int)fmt.video.i_height);
 739             }
 740
 741             /* Setup rgb mask for RGB formats */
 742             if( p_stream->i_fourcc == VLC_CODEC_RGB24 )
 743             {
 744                 /* This is in RGB format
 745             http://msdn.microsoft.com/en-us/library/dd407253%28VS.85%29.aspx?ppud=4
 746                  */
 747                 fmt.video.i_rmask = 0x00ff0000;
 748                 fmt.video.i_gmask = 0x0000ff00;
 749                 fmt.video.i_bmask = 0x000000ff;
 750             }
 751
 752             if( p_stream->header.video.AvgTimePerFrame )
 753             {
 754                 fmt.video.i_frame_rate = 10000000;
 755                 fmt.video.i_frame_rate_base =
 756                     p_stream->header.video.AvgTimePerFrame;
 757             }
 758         }
 759         else if( p_stream->mt.majortype == MEDIATYPE_Audio )
 760         {
 761             es_format_Init( &fmt, AUDIO_ES, p_stream->i_fourcc );
 762
 763             fmt.audio.i_channels = p_stream->header.audio.nChannels;
 764             fmt.audio.i_rate = p_stream->header.audio.nSamplesPerSec;
 765             fmt.audio.i_bitspersample = p_stream->header.audio.wBitsPerSample;
 766             fmt.audio.i_blockalign = fmt.audio.i_channels *
 767                 fmt.audio.i_bitspersample / 8;
 768             fmt.i_bitrate = fmt.audio.i_channels * fmt.audio.i_rate *
 769                 fmt.audio.i_bitspersample;
 770         }
 771
 772         p_stream->p_es = es_out_Add( p_demux->out, &fmt );
 773     }
 774
 775     return VLC_SUCCESS;
 776 }
 777
 778 /*****************************************************************************
 779  * AccessOpen: open direct show device as an access module
 780  *****************************************************************************/
 781 static int AccessOpen( vlc_object_t *p_this )
 782 {
 783     access_t     *p_access = (access_t*)p_this;
 784     access_sys_t *p_sys;
 785
 786     p_access->p_sys = p_sys = (access_sys_t*)calloc( 1, sizeof( access_sys_t ) );
 787     if( !p_sys )
 788         return VLC_ENOMEM;
 789
 790     if( CommonOpen( p_this, p_sys, false ) != VLC_SUCCESS )
 791     {
 792         CommonClose( p_this, p_sys );
 793         return VLC_EGENERIC;
 794     }
 795
 796     dshow_stream_t *p_stream = p_sys->pp_streams[0];
 797
 798     /* Check if we need to force demuxers */
 799     if( !p_access->psz_demux || !*p_access->psz_demux )
 800     {
 801         if( p_stream->i_fourcc == VLC_CODEC_DV )
 802         {
 803             free( p_access->psz_demux );
 804             p_access->psz_demux = strdup( "rawdv" );
 805         }
 806         else if( p_stream->i_fourcc == VLC_CODEC_MPGV )
 807         {
 808             free( p_access->psz_demux );
 809             p_access->psz_demux = strdup( "mpgv" );
 810         }
 811     }
 812
 813     /* Setup Access */
 814     p_access->pf_read = NULL;
 815     p_access->pf_block = ReadCompressed;
 816     p_access->pf_control = AccessControl;
 817     p_access->pf_seek = NULL;
 818     p_access->info.i_update = 0;
 819     p_access->info.i_size = 0;
 820     p_access->info.i_pos = 0;
 821     p_access->info.b_eof = false;
 822     p_access->info.i_title = 0;
 823     p_access->info.i_seekpoint = 0;
 824     p_access->p_sys = p_sys;
 825
 826     /* Everything is ready. Let's rock baby */
 827     msg_Dbg( p_this, "Playing...");
 828     p_sys->p_control->Run();
 829
 830     return VLC_SUCCESS;
 831 }
 832
 833 /*****************************************************************************
 834  * CommonClose: close device
 835  *****************************************************************************/
 836 static void CommonClose( vlc_object_t *p_this, access_sys_t *p_sys )
 837 {
 838     msg_Dbg( p_this, "releasing DirectShow");
 839
 840     DeleteDirectShowGraph( p_sys );
 841
 842     /* Uninitialize OLE/COM */
 843     CoUninitialize();
 844
 845     for( int i = 0; i < p_sys->i_streams; i++ ) delete p_sys->pp_streams[i];
 846     if( p_sys->i_streams ) free( p_sys->pp_streams );
 847
 848     vlc_mutex_destroy( &p_sys->lock );
 849     vlc_cond_destroy( &p_sys->wait );
 850
 851     free( p_sys );
 852 }
 853
 854 /*****************************************************************************
 855  * AccessClose: close device
 856  *****************************************************************************/
 857 static void AccessClose( vlc_object_t *p_this )
 858 {
 859     access_t     *p_access = (access_t *)p_this;
 860     access_sys_t *p_sys    = p_access->p_sys;
 861
 862     /* Stop capturing stuff */
 863     p_sys->p_control->Stop();
 864
 865     CommonClose( p_this, p_sys );
 866 }
 867
 868 /*****************************************************************************
 869  * DemuxClose: close device
 870  *****************************************************************************/
 871 static void DemuxClose( vlc_object_t *p_this )
 872 {
 873     demux_t      *p_demux = (demux_t *)p_this;
 874     access_sys_t *p_sys   = (access_sys_t *)p_demux->p_sys;
 875
 876     /* Stop capturing stuff */
 877     p_sys->p_control->Stop();
 878
 879     CommonClose( p_this, p_sys );
 880 }
 881
 882 /****************************************************************************
 883  * ConnectFilters
 884  ****************************************************************************/
 885 static bool ConnectFilters( vlc_object_t *p_this, access_sys_t *p_sys,
 886                             IBaseFilter *p_filter,
 887                             CaptureFilter *p_capture_filter )
 888 {
 889     CapturePin *p_input_pin = p_capture_filter->CustomGetPin();
 890
 891     AM_MEDIA_TYPE mediaType = p_input_pin->CustomGetMediaType();
 892
 893     if( p_sys->p_capture_graph_builder2 )
 894     {
 895         if( FAILED(p_sys->p_capture_graph_builder2->
 896                 RenderStream( &PIN_CATEGORY_CAPTURE, &mediaType.majortype,
 897                               p_filter, 0, (IBaseFilter *)p_capture_filter )) )
 898         {
 899             return false;
 900         }
 901
 902         // Sort out all the possible video inputs
 903         // The class needs to be given the capture filters ANALOGVIDEO input pin
 904         IEnumPins *pins = NULL;
 905         if( ( mediaType.majortype == MEDIATYPE_Video ||
 906               mediaType.majortype == MEDIATYPE_Stream ) &&
 907             SUCCEEDED(p_filter->EnumPins(&pins)) )
 908         {
 909             IPin        *pP = NULL;
 910             ULONG        n;
 911             PIN_INFO     pinInfo;
 912             BOOL         Found = FALSE;
 913             IKsPropertySet *pKs = NULL;
 914             GUID guid;
 915             DWORD dw;
 916
 917             while( !Found && ( S_OK == pins->Next(1, &pP, &n) ) )
 918             {
 919                 if( S_OK == pP->QueryPinInfo(&pinInfo) )
 920                 {
 921                     // is this pin an ANALOGVIDEOIN input pin?
 922                     if( pinInfo.dir == PINDIR_INPUT &&
 923                         pP->QueryInterface( IID_IKsPropertySet,
 924                                             (void **)&pKs ) == S_OK )
 925                     {
 926                         if( pKs->Get( AMPROPSETID_Pin,
 927                                       AMPROPERTY_PIN_CATEGORY, NULL, 0,
 928                                       &guid, sizeof(GUID), &dw ) == S_OK )
 929                         {
 930                             if( guid == PIN_CATEGORY_ANALOGVIDEOIN )
 931                             {
 932                                 // recursively search crossbar routes
 933                                 FindCrossbarRoutes( p_this, p_sys, pP, 0 );
 934                                 // found it
 935                                 Found = TRUE;
 936                             }
 937                         }
 938                         pKs->Release();
 939                     }
 940                     pinInfo.pFilter->Release();
 941                 }
 942                 pP->Release();
 943             }
 944             pins->Release();
 945             msg_Dbg( p_this, "ConnectFilters: graph_builder2 available.") ;
 946             if ( !Found )
 947                 msg_Warn( p_this, "ConnectFilters: No crossBar routes found (incompatible pin types)" ) ;
 948         }
 949         return true;
 950     }
 951     else
 952     {
 953         IEnumPins *p_enumpins;
 954         IPin *p_pin;
 955
 956         if( S_OK != p_filter->EnumPins( &p_enumpins ) ) return false;
 957
 958         while( S_OK == p_enumpins->Next( 1, &p_pin, NULL ) )
 959         {
 960             PIN_DIRECTION pin_dir;
 961             p_pin->QueryDirection( &pin_dir );
 962
 963             if( pin_dir == PINDIR_OUTPUT &&
 964                 p_sys->p_graph->ConnectDirect( p_pin, (IPin *)p_input_pin,
 965                                                0 ) == S_OK )
 966             {
 967                 p_pin->Release();
 968                 p_enumpins->Release();
 969                 return true;
 970             }
 971             p_pin->Release();
 972         }
 973
 974         p_enumpins->Release();
 975         return false;
 976     }
 977 }
 978
 979 /*
 980  * get fourcc priority from arbritary preference, the higher the better
 981  */
 982 static int GetFourCCPriority( int i_fourcc )
 983 {
 984     switch( i_fourcc )
 985     {
 986     case VLC_CODEC_I420:
 987     case VLC_CODEC_FL32:
 988         return 9;
 989     case VLC_CODEC_YV12:
 990     case VLC_FOURCC('a','r','a','w'):
 991         return 8;
 992     case VLC_CODEC_RGB24:
 993         return 7;
 994     case VLC_CODEC_YUYV:
 995     case VLC_CODEC_RGB32:
 996     case VLC_CODEC_RGBA:
 997         return 6;
 998     }
 999
1000     return 0;
1001 }
1002
1003 #define MAX_MEDIA_TYPES 32
1004
1005 static int OpenDevice( vlc_object_t *p_this, access_sys_t *p_sys,
1006                        string devicename, bool b_audio )
1007 {
1008     /* See if device is already opened */
1009     for( int i = 0; i < p_sys->i_streams; i++ )
1010     {
1011         if( devicename.size() &&
1012             p_sys->pp_streams[i]->devicename == devicename )
1013         {
1014             /* Already opened */
1015             return VLC_SUCCESS;
1016         }
1017     }
1018
1019     list<string> list_devices;
1020
1021     /* Enumerate devices and display their names */
1022     FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1023     if( list_devices.empty() )
1024         return VLC_EGENERIC;
1025
1026     list<string>::iterator iter;
1027     for( iter = list_devices.begin(); iter != list_devices.end(); ++iter )
1028         msg_Dbg( p_this, "found device: %s", iter->c_str() );
1029
1030     /* If no device name was specified, pick the 1st one */
1031     if( devicename.size() == 0 )
1032     {
1033         /* When none selected */
1034         devicename = *list_devices.begin();
1035         msg_Dbg( p_this, "asking for default device: %s", devicename.c_str() ) ;
1036     }
1037     else
1038         msg_Dbg( p_this, "asking for device: %s", devicename.c_str() ) ;
1039     // Use the system device enumerator and class enumerator to find
1040     // a capture/preview device, such as a desktop USB video camera.
1041     IBaseFilter *p_device_filter =
1042         FindCaptureDevice( p_this, &devicename, NULL, b_audio );
1043
1044     if( p_device_filter )
1045         msg_Dbg( p_this, "using device: %s", devicename.c_str() );
1046     else
1047     {
1048         msg_Err( p_this, "can't use device: %s, unsupported device type",
1049                  devicename.c_str() );
1050         dialog_Fatal( p_this, _("Capture failed"),
1051                         _("VLC cannot use the device \"%s\", because its "
1052                           "type is not supported."), devicename.c_str() );
1053         return VLC_EGENERIC;
1054     }
1055
1056     // Retreive acceptable media types supported by device
1057     AM_MEDIA_TYPE media_types[MAX_MEDIA_TYPES];
1058     size_t media_count =
1059         EnumDeviceCaps( p_this, p_device_filter, b_audio ? 0 : p_sys->i_chroma,
1060                         p_sys->i_width, p_sys->i_height,
1061       b_audio ? var_CreateGetInteger( p_this, CFG_PREFIX "audio-channels" ) : 0,
1062       b_audio ? var_CreateGetInteger( p_this, CFG_PREFIX "audio-samplerate" ) : 0,
1063       b_audio ? var_CreateGetInteger( p_this, CFG_PREFIX "audio-bitspersample" ) : 0,
1064       media_types, MAX_MEDIA_TYPES );
1065
1066     AM_MEDIA_TYPE *mt = NULL;
1067
1068     if( media_count > 0 )
1069     {
1070         mt = (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE) * media_count);
1071
1072         // Order and copy returned media types according to arbitrary
1073         // fourcc priority
1074         for( size_t c = 0; c < media_count; c++ )
1075         {
1076             int slot_priority =
1077                 GetFourCCPriority(GetFourCCFromMediaType(media_types[c]));
1078             size_t slot_copy = c;
1079             for( size_t d = c+1; d < media_count; d++ )
1080             {
1081                 int priority =
1082                     GetFourCCPriority(GetFourCCFromMediaType(media_types[d]));
1083                 if( priority > slot_priority )
1084                 {
1085                     slot_priority = priority;
1086                     slot_copy = d;
1087                 }
1088             }
1089             if( slot_copy != c )
1090             {
1091                 mt[c] = media_types[slot_copy];
1092                 media_types[slot_copy] = media_types[c];
1093             }
1094             else
1095             {
1096                 mt[c] = media_types[c];
1097             }
1098         }
1099     }
1100     else {
1101         /* capture device */
1102         msg_Err( p_this, "capture device '%s' does not support required parameters !", devicename.c_str() );
1103         dialog_Fatal( p_this, _("Capture failed"),
1104                         _("The capture device \"%s\" does not support the "
1105                           "required parameters."), devicename.c_str() );
1106         p_device_filter->Release();
1107         return VLC_EGENERIC;
1108     }
1109
1110     /* Create and add our capture filter */
1111     CaptureFilter *p_capture_filter =
1112         new CaptureFilter( p_this, p_sys, mt, media_count );
1113     p_sys->p_graph->AddFilter( p_capture_filter, 0 );
1114
1115     /* Add the device filter to the graph (seems necessary with VfW before
1116      * accessing pin attributes). */
1117     p_sys->p_graph->AddFilter( p_device_filter, 0 );
1118
1119     /* Attempt to connect one of this device's capture output pins */
1120     msg_Dbg( p_this, "connecting filters" );
1121     if( ConnectFilters( p_this, p_sys, p_device_filter, p_capture_filter ) )
1122     {
1123         /* Success */
1124         msg_Dbg( p_this, "filters connected successfully !" );
1125
1126         dshow_stream_t dshow_stream;
1127         dshow_stream.b_pts = false;
1128         dshow_stream.p_es = 0;
1129         dshow_stream.mt =
1130             p_capture_filter->CustomGetPin()->CustomGetMediaType();
1131
1132         /* Show Device properties. Done here so the VLC stream is setup with
1133          * the proper parameters. */
1134         if( var_GetBool( p_this, CFG_PREFIX "config" ) )
1135         {
1136             ShowDeviceProperties( p_this, p_sys->p_capture_graph_builder2,
1137                                   p_device_filter, b_audio );
1138         }
1139
1140         ConfigTuner( p_this, p_sys->p_capture_graph_builder2,
1141                      p_device_filter );
1142
1143         if( var_GetBool( p_this, CFG_PREFIX "tuner" ) &&
1144             dshow_stream.mt.majortype != MEDIATYPE_Stream )
1145         {
1146             /* FIXME: we do MEDIATYPE_Stream later so we don't do it twice. */
1147             ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
1148                                  p_device_filter, b_audio );
1149         }
1150
1151         dshow_stream.mt =
1152             p_capture_filter->CustomGetPin()->CustomGetMediaType();
1153
1154         dshow_stream.i_fourcc = GetFourCCFromMediaType( dshow_stream.mt );
1155         if( dshow_stream.i_fourcc )
1156         {
1157             if( dshow_stream.mt.majortype == MEDIATYPE_Video )
1158             {
1159                 dshow_stream.header.video =
1160                     *(VIDEOINFOHEADER *)dshow_stream.mt.pbFormat;
1161                 msg_Dbg( p_this, "MEDIATYPE_Video" );
1162                 msg_Dbg( p_this, "selected video pin accepts format: %4.4s",
1163                          (char *)&dshow_stream.i_fourcc);
1164             }
1165             else if( dshow_stream.mt.majortype == MEDIATYPE_Audio )
1166             {
1167                 dshow_stream.header.audio =
1168                     *(WAVEFORMATEX *)dshow_stream.mt.pbFormat;
1169                 msg_Dbg( p_this, "MEDIATYPE_Audio" );
1170                 msg_Dbg( p_this, "selected audio pin accepts format: %4.4s",
1171                          (char *)&dshow_stream.i_fourcc);
1172             }
1173             else if( dshow_stream.mt.majortype == MEDIATYPE_Stream )
1174             {
1175                 msg_Dbg( p_this, "MEDIATYPE_Stream" );
1176                 msg_Dbg( p_this, "selected stream pin accepts format: %4.4s",
1177                          (char *)&dshow_stream.i_fourcc);
1178             }
1179             else
1180             {
1181                 msg_Dbg( p_this, "unknown stream majortype" );
1182                 goto fail;
1183             }
1184
1185             /* Add directshow elementary stream to our list */
1186             dshow_stream.p_device_filter = p_device_filter;
1187             dshow_stream.p_capture_filter = p_capture_filter;
1188
1189             p_sys->pp_streams = (dshow_stream_t **)xrealloc( p_sys->pp_streams,
1190                           sizeof(dshow_stream_t *) * (p_sys->i_streams + 1) );
1191             p_sys->pp_streams[p_sys->i_streams] = new dshow_stream_t;
1192             *p_sys->pp_streams[p_sys->i_streams++] = dshow_stream;
1193
1194             return VLC_SUCCESS;
1195         }
1196     }
1197
1198  fail:
1199     /* Remove filters from graph */
1200     p_sys->p_graph->RemoveFilter( p_device_filter );
1201     p_sys->p_graph->RemoveFilter( p_capture_filter );
1202
1203     /* Release objects */
1204     p_device_filter->Release();
1205     p_capture_filter->Release();
1206
1207     return VLC_EGENERIC;
1208 }
1209
1210 /* FindCaptureDevices:: This Function had two purposes :
1211     Returns the list of capture devices when p_listdevices != NULL
1212     Creates an IBaseFilter when p_devicename corresponds to an existing devname
1213    These actions *may* be requested whith a single call.
1214 */
1215 static IBaseFilter *
1216 FindCaptureDevice( vlc_object_t *p_this, string *p_devicename,
1217                    list<string> *p_listdevices, bool b_audio )
1218 {
1219     IBaseFilter *p_base_filter = NULL;
1220     IMoniker *p_moniker = NULL;
1221     ULONG i_fetched;
1222     HRESULT hr;
1223     list<string> devicelist;
1224
1225     /* Create the system device enumerator */
1226     ICreateDevEnum *p_dev_enum = NULL;
1227
1228     hr = CoCreateInstance( CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
1229                            IID_ICreateDevEnum, (void **)&p_dev_enum );
1230     if( FAILED(hr) )
1231     {
1232         msg_Err( p_this, "failed to create the device enumerator (0x%lx)", hr);
1233         return NULL;
1234     }
1235
1236     /* Create an enumerator for the video capture devices */
1237     IEnumMoniker *p_class_enum = NULL;
1238     if( !b_audio )
1239         hr = p_dev_enum->CreateClassEnumerator( CLSID_VideoInputDeviceCategory,
1240                                                 &p_class_enum, 0 );
1241     else
1242         hr = p_dev_enum->CreateClassEnumerator( CLSID_AudioInputDeviceCategory,
1243                                                 &p_class_enum, 0 );
1244     p_dev_enum->Release();
1245     if( FAILED(hr) )
1246     {
1247         msg_Err( p_this, "failed to create the class enumerator (0x%lx)", hr );
1248         return NULL;
1249     }
1250
1251     /* If there are no enumerators for the requested type, then
1252      * CreateClassEnumerator will succeed, but p_class_enum will be NULL */
1253     if( p_class_enum == NULL )
1254     {
1255         msg_Err( p_this, "no %s capture device was detected", ( b_audio ? "audio" : "video" ) );
1256         return NULL;
1257     }
1258
1259     /* Enumerate the devices */
1260
1261     /* Note that if the Next() call succeeds but there are no monikers,
1262      * it will return S_FALSE (which is not a failure). Therefore, we check
1263      * that the return code is S_OK instead of using SUCCEEDED() macro. */
1264
1265     while( p_class_enum->Next( 1, &p_moniker, &i_fetched ) == S_OK )
1266     {
1267         /* Getting the property page to get the device name */
1268         IPropertyBag *p_bag;
1269         hr = p_moniker->BindToStorage( 0, 0, IID_IPropertyBag,
1270                                        (void **)&p_bag );
1271         if( SUCCEEDED(hr) )
1272         {
1273             VARIANT var;
1274             var.vt = VT_BSTR;
1275             hr = p_bag->Read( L"FriendlyName", &var, NULL );
1276             p_bag->Release();
1277             if( SUCCEEDED(hr) )
1278             {
1279                 char *p_buf = FromWide( var.bstrVal );
1280                 string devname = string(p_buf);
1281                 free( p_buf) ;
1282
1283                 int dup = 0;
1284                 /* find out if this name is already used by a previously found device */
1285                 list<string>::const_iterator iter = devicelist.begin();
1286                 list<string>::const_iterator end = devicelist.end();
1287                 string ordevname = devname ;
1288                 while ( iter != end )
1289                 {
1290                     if( 0 == (*iter).compare( devname ) )
1291                     { /* devname is on the list. Try another name with sequence
1292                          number apended and then rescan until a unique entry is found*/
1293                          char seq[16];
1294                          snprintf(seq, 16, " #%d", ++dup);
1295                          devname = ordevname + seq;
1296                          iter = devicelist.begin();
1297                     }
1298                     else
1299                          ++iter;
1300                 }
1301                 devicelist.push_back( devname );
1302
1303                 if( p_devicename && *p_devicename == devname )
1304                 {
1305                     msg_Dbg( p_this, "asked for %s, binding to %s", p_devicename->c_str() , devname.c_str() ) ;
1306                     /* NULL possibly means we don't need BindMoniker BindCtx ?? */
1307                     hr = p_moniker->BindToObject( NULL, 0, IID_IBaseFilter,
1308                                                   (void **)&p_base_filter );
1309                     if( FAILED(hr) )
1310                     {
1311                         msg_Err( p_this, "couldn't bind moniker to filter "
1312                                  "object (0x%lx)", hr );
1313                         p_moniker->Release();
1314                         p_class_enum->Release();
1315                         return NULL;
1316                     }
1317                     p_moniker->Release();
1318                     p_class_enum->Release();
1319                     return p_base_filter;
1320                 }
1321             }
1322         }
1323
1324         p_moniker->Release();
1325     }
1326
1327     p_class_enum->Release();
1328
1329     if( p_listdevices ) {
1330         devicelist.sort();
1331         *p_listdevices = devicelist;
1332     }
1333     return NULL;
1334 }
1335
1336 static size_t EnumDeviceCaps( vlc_object_t *p_this, IBaseFilter *p_filter,
1337                               int i_fourcc, int i_width, int i_height,
1338                               int i_channels, int i_samplespersec,
1339                               int i_bitspersample, AM_MEDIA_TYPE *mt,
1340                               size_t mt_max )
1341 {
1342     IEnumPins *p_enumpins;
1343     IPin *p_output_pin;
1344     IEnumMediaTypes *p_enummt;
1345     size_t mt_count = 0;
1346
1347     LONGLONG i_AvgTimePerFrame = 0;
1348     float r_fps = var_GetFloat( p_this, CFG_PREFIX "fps" );
1349     if( r_fps )
1350         i_AvgTimePerFrame = 10000000000LL/(LONGLONG)(r_fps*1000.0f);
1351
1352     if( FAILED(p_filter->EnumPins( &p_enumpins )) )
1353     {
1354         msg_Dbg( p_this, "EnumDeviceCaps failed: no pin enumeration !");
1355         return 0;
1356     }
1357
1358     while( S_OK == p_enumpins->Next( 1, &p_output_pin, NULL ) )
1359     {
1360         PIN_INFO info;
1361
1362         if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1363         {
1364             msg_Dbg( p_this, "EnumDeviceCaps: %s pin: %S",
1365                      info.dir == PINDIR_INPUT ? "input" : "output",
1366                      info.achName );
1367             if( info.pFilter ) info.pFilter->Release();
1368         }
1369
1370         p_output_pin->Release();
1371     }
1372
1373     p_enumpins->Reset();
1374
1375     while( !mt_count && p_enumpins->Next( 1, &p_output_pin, NULL ) == S_OK )
1376     {
1377         PIN_INFO info;
1378
1379         if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1380         {
1381             if( info.pFilter ) info.pFilter->Release();
1382             if( info.dir == PINDIR_INPUT )
1383             {
1384                 p_output_pin->Release();
1385                 continue;
1386             }
1387             msg_Dbg( p_this, "EnumDeviceCaps: trying pin %S", info.achName );
1388         }
1389
1390         AM_MEDIA_TYPE *p_mt;
1391
1392         /*
1393         ** Configure pin with a default compatible media if possible
1394         */
1395
1396         IAMStreamConfig *pSC;
1397         if( SUCCEEDED(p_output_pin->QueryInterface( IID_IAMStreamConfig,
1398                                             (void **)&pSC )) )
1399         {
1400             int piCount, piSize;
1401             if( SUCCEEDED(pSC->GetNumberOfCapabilities(&piCount, &piSize)) )
1402             {
1403                 BYTE *pSCC= (BYTE *)CoTaskMemAlloc(piSize);
1404                 if( NULL != pSCC )
1405                 {
1406                     int i_priority = -1;
1407                     for( int i=0; i<piCount; ++i )
1408                     {
1409                         if( SUCCEEDED(pSC->GetStreamCaps(i, &p_mt, pSCC)) )
1410                         {
1411                             int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1412                             int i_current_priority = GetFourCCPriority(i_current_fourcc);
1413
1414                             if( (i_fourcc && (i_current_fourcc != i_fourcc))
1415                              || (i_priority > i_current_priority) )
1416                             {
1417                                 // unwanted chroma, try next media type
1418                                 FreeMediaType( *p_mt );
1419                                 CoTaskMemFree( (PVOID)p_mt );
1420                                 continue;
1421                             }
1422
1423                             if( MEDIATYPE_Video == p_mt->majortype
1424                                     && FORMAT_VideoInfo == p_mt->formattype )
1425                             {
1426                                 VIDEO_STREAM_CONFIG_CAPS *pVSCC = reinterpret_cast<VIDEO_STREAM_CONFIG_CAPS*>(pSCC);
1427                                 VIDEOINFOHEADER *pVih = reinterpret_cast<VIDEOINFOHEADER*>(p_mt->pbFormat);
1428
1429                                 if( i_AvgTimePerFrame )
1430                                 {
1431                                     if( pVSCC->MinFrameInterval > i_AvgTimePerFrame
1432                                       || i_AvgTimePerFrame > pVSCC->MaxFrameInterval )
1433                                     {
1434                                         // required frame rate not compatible, try next media type
1435                                         FreeMediaType( *p_mt );
1436                                         CoTaskMemFree( (PVOID)p_mt );
1437                                         continue;
1438                                     }
1439                                     pVih->AvgTimePerFrame = i_AvgTimePerFrame;
1440                                 }
1441
1442                                 if( i_width )
1443                                 {
1444                                     if((   !pVSCC->OutputGranularityX
1445                                            && i_width != pVSCC->MinOutputSize.cx
1446                                            && i_width != pVSCC->MaxOutputSize.cx)
1447                                        ||
1448                                        (   pVSCC->OutputGranularityX
1449                                            && ((i_width % pVSCC->OutputGranularityX)
1450                                                || pVSCC->MinOutputSize.cx > i_width
1451                                                || i_width > pVSCC->MaxOutputSize.cx )))
1452                                     {
1453                                         // required width not compatible, try next media type
1454                                         FreeMediaType( *p_mt );
1455                                         CoTaskMemFree( (PVOID)p_mt );
1456                                         continue;
1457                                     }
1458                                     pVih->bmiHeader.biWidth = i_width;
1459                                 }
1460
1461                                 if( i_height )
1462                                 {
1463                                     if((   !pVSCC->OutputGranularityY
1464                                            && i_height != pVSCC->MinOutputSize.cy
1465                                            && i_height != pVSCC->MaxOutputSize.cy)
1466                                        ||
1467                                        (   pVSCC->OutputGranularityY
1468                                            && ((i_height % pVSCC->OutputGranularityY)
1469                                                || pVSCC->MinOutputSize.cy > i_height
1470                                                || i_height > pVSCC->MaxOutputSize.cy )))
1471                                     {
1472                                         // required height not compatible, try next media type
1473                                         FreeMediaType( *p_mt );
1474                                         CoTaskMemFree( (PVOID)p_mt );
1475                                         continue;
1476                                     }
1477                                     pVih->bmiHeader.biHeight = i_height;
1478                                 }
1479
1480                                 // Set the sample size and image size.
1481                                 // (Round the image width up to a DWORD boundary.)
1482                                 p_mt->lSampleSize = pVih->bmiHeader.biSizeImage =
1483                                     ((pVih->bmiHeader.biWidth + 3) & ~3) *
1484                                     pVih->bmiHeader.biHeight * (pVih->bmiHeader.biBitCount>>3);
1485
1486                                 // no cropping, use full video input buffer
1487                                 memset(&(pVih->rcSource), 0, sizeof(RECT));
1488                                 memset(&(pVih->rcTarget), 0, sizeof(RECT));
1489
1490                                 // select this format as default
1491                                 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1492                                 {
1493                                     i_priority = i_current_priority;
1494                                     if( i_fourcc )
1495                                         // no need to check any more media types
1496                                         i = piCount;
1497                                 }
1498                             }
1499                             else if( p_mt->majortype == MEDIATYPE_Audio
1500                                     && p_mt->formattype == FORMAT_WaveFormatEx )
1501                             {
1502                                 AUDIO_STREAM_CONFIG_CAPS *pASCC = reinterpret_cast<AUDIO_STREAM_CONFIG_CAPS*>(pSCC);
1503                                 WAVEFORMATEX *pWfx = reinterpret_cast<WAVEFORMATEX*>(p_mt->pbFormat);
1504
1505                                 if( i_current_fourcc && (WAVE_FORMAT_PCM == pWfx->wFormatTag) )
1506                                 {
1507                                     int val = i_channels;
1508                                     if( ! val )
1509                                         val = 2;
1510
1511                                     if( (   !pASCC->ChannelsGranularity
1512                                             && (unsigned int)val != pASCC->MinimumChannels
1513                                             && (unsigned int)val != pASCC->MaximumChannels)
1514                                         ||
1515                                         (   pASCC->ChannelsGranularity
1516                                             && ((val % pASCC->ChannelsGranularity)
1517                                                 || (unsigned int)val < pASCC->MinimumChannels
1518                                                 || (unsigned int)val > pASCC->MaximumChannels)))
1519                                     {
1520                                         // required number channels not available, try next media type
1521                                         FreeMediaType( *p_mt );
1522                                         CoTaskMemFree( (PVOID)p_mt );
1523                                         continue;
1524                                     }
1525                                     pWfx->nChannels = val;
1526
1527                                     val = i_samplespersec;
1528                                     if( ! val )
1529                                         val = 44100;
1530
1531                                     if( (   !pASCC->SampleFrequencyGranularity
1532                                             && (unsigned int)val != pASCC->MinimumSampleFrequency
1533                                             && (unsigned int)val != pASCC->MaximumSampleFrequency)
1534                                         ||
1535                                         (   pASCC->SampleFrequencyGranularity
1536                                             && ((val % pASCC->SampleFrequencyGranularity)
1537                                                 || (unsigned int)val < pASCC->MinimumSampleFrequency
1538                                                 || (unsigned int)val > pASCC->MaximumSampleFrequency )))
1539                                     {
1540                                         // required sampling rate not available, try next media type
1541                                         FreeMediaType( *p_mt );
1542                                         CoTaskMemFree( (PVOID)p_mt );
1543                                         continue;
1544                                     }
1545                                     pWfx->nSamplesPerSec = val;
1546
1547                                     val = i_bitspersample;
1548                                     if( ! val )
1549                                     {
1550                                         if( VLC_CODEC_FL32 == i_current_fourcc )
1551                                             val = 32;
1552                                         else
1553                                             val = 16;
1554                                     }
1555
1556                                     if( (   !pASCC->BitsPerSampleGranularity
1557                                             && (unsigned int)val != pASCC->MinimumBitsPerSample
1558                                             && (unsigned int)val != pASCC->MaximumBitsPerSample )
1559                                         ||
1560                                         (   pASCC->BitsPerSampleGranularity
1561                                             && ((val % pASCC->BitsPerSampleGranularity)
1562                                                 || (unsigned int)val < pASCC->MinimumBitsPerSample
1563                                                 || (unsigned int)val > pASCC->MaximumBitsPerSample )))
1564                                     {
1565                                         // required sample size not available, try next media type
1566                                         FreeMediaType( *p_mt );
1567                                         CoTaskMemFree( (PVOID)p_mt );
1568                                         continue;
1569                                     }
1570
1571                                     pWfx->wBitsPerSample = val;
1572                                     pWfx->nBlockAlign = (pWfx->wBitsPerSample * pWfx->nChannels)/8;
1573                                     pWfx->nAvgBytesPerSec = pWfx->nSamplesPerSec * pWfx->nBlockAlign;
1574
1575                                     // select this format as default
1576                                     if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1577                                     {
1578                                         i_priority = i_current_priority;
1579                                     }
1580                                 }
1581                             }
1582                             FreeMediaType( *p_mt );
1583                             CoTaskMemFree( (PVOID)p_mt );
1584                         }
1585                     }
1586                     CoTaskMemFree( (LPVOID)pSCC );
1587                     if( i_priority >= 0 )
1588                         msg_Dbg( p_this, "EnumDeviceCaps: input pin default format configured");
1589                 }
1590             }
1591             pSC->Release();
1592         }
1593
1594         /*
1595         ** Probe pin for available medias (may be a previously configured one)
1596         */
1597
1598         if( FAILED( p_output_pin->EnumMediaTypes( &p_enummt ) ) )
1599         {
1600             p_output_pin->Release();
1601             continue;
1602         }
1603
1604         while( p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1605         {
1606             int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1607             if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Video
1608                 && p_mt->formattype == FORMAT_VideoInfo )
1609             {
1610                 int i_current_width = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1611                 int i_current_height = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1612                 LONGLONG i_current_atpf = ((VIDEOINFOHEADER *)p_mt->pbFormat)->AvgTimePerFrame;
1613
1614                 if( i_current_height < 0 )
1615                     i_current_height = -i_current_height;
1616
1617                 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1618                          "accepts chroma: %4.4s, width:%i, height:%i, fps:%f",
1619                          (char *)&i_current_fourcc, i_current_width,
1620                          i_current_height, (10000000.0f/((float)i_current_atpf)) );
1621
1622                 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1623                     ( !i_width || i_width == i_current_width ) &&
1624                     ( !i_height || i_height == i_current_height ) &&
1625                     ( !i_AvgTimePerFrame || i_AvgTimePerFrame == i_current_atpf ) &&
1626                     mt_count < mt_max )
1627                 {
1628                     /* Pick match */
1629                     mt[mt_count++] = *p_mt;
1630                 }
1631                 else FreeMediaType( *p_mt );
1632             }
1633             else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Audio
1634                     && p_mt->formattype == FORMAT_WaveFormatEx)
1635             {
1636                 int i_current_channels =
1637                     ((WAVEFORMATEX *)p_mt->pbFormat)->nChannels;
1638                 int i_current_samplespersec =
1639                     ((WAVEFORMATEX *)p_mt->pbFormat)->nSamplesPerSec;
1640                 int i_current_bitspersample =
1641                     ((WAVEFORMATEX *)p_mt->pbFormat)->wBitsPerSample;
1642
1643                 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1644                          "accepts format: %4.4s, channels:%i, "
1645                          "samples/sec:%i bits/sample:%i",
1646                          (char *)&i_current_fourcc, i_current_channels,
1647                          i_current_samplespersec, i_current_bitspersample);
1648
1649                 if( (!i_channels || i_channels == i_current_channels) &&
1650                     (!i_samplespersec ||
1651                      i_samplespersec == i_current_samplespersec) &&
1652                     (!i_bitspersample ||
1653                      i_bitspersample == i_current_bitspersample) &&
1654                     mt_count < mt_max )
1655                 {
1656                     /* Pick  match */
1657                     mt[mt_count++] = *p_mt;
1658
1659                     /* Setup a few properties like the audio latency */
1660                     IAMBufferNegotiation *p_ambuf;
1661                     if( SUCCEEDED( p_output_pin->QueryInterface(
1662                           IID_IAMBufferNegotiation, (void **)&p_ambuf ) ) )
1663                     {
1664                         ALLOCATOR_PROPERTIES AllocProp;
1665                         AllocProp.cbAlign = -1;
1666
1667                         /* 100 ms of latency */
1668                         AllocProp.cbBuffer = i_current_channels *
1669                           i_current_samplespersec *
1670                           i_current_bitspersample / 8 / 10;
1671
1672                         AllocProp.cbPrefix = -1;
1673                         AllocProp.cBuffers = -1;
1674                         p_ambuf->SuggestAllocatorProperties( &AllocProp );
1675                         p_ambuf->Release();
1676                     }
1677                 }
1678                 else FreeMediaType( *p_mt );
1679             }
1680             else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Stream )
1681             {
1682                 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1683                          "accepts stream format: %4.4s",
1684                          (char *)&i_current_fourcc );
1685
1686                 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1687                     mt_count < mt_max )
1688                 {
1689                     /* Pick match */
1690                     mt[mt_count++] = *p_mt;
1691                     i_fourcc = i_current_fourcc;
1692                 }
1693                 else FreeMediaType( *p_mt );
1694             }
1695             else
1696             {
1697                 const char * psz_type = "unknown";
1698                 if( p_mt->majortype == MEDIATYPE_Video ) psz_type = "video";
1699                 if( p_mt->majortype == MEDIATYPE_Audio ) psz_type = "audio";
1700                 if( p_mt->majortype == MEDIATYPE_Stream ) psz_type = "stream";
1701                 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: unsupported format "
1702                          "(%s %4.4s)", psz_type, (char *)&p_mt->subtype );
1703
1704                 FreeMediaType( *p_mt );
1705             }
1706             CoTaskMemFree( (PVOID)p_mt );
1707         }
1708
1709         if( !mt_count && p_enummt->Reset() == S_OK )
1710         {
1711             // VLC did not find any supported MEDIATYPE for this output pin.
1712             // However the graph builder might insert converter filters in
1713             // the graph if we use a different codec in VLC filter input pin.
1714             // however, in order to avoid nasty surprises, make use of this
1715             // facility only for known unsupported codecs.
1716
1717             while( !mt_count && p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1718             {
1719                 // the first four bytes of subtype GUID contains the codec FOURCC
1720                 const char *pfcc = (char *)&p_mt->subtype;
1721                 int i_current_fourcc = VLC_FOURCC(pfcc[0], pfcc[1], pfcc[2], pfcc[3]);
1722                 if( VLC_FOURCC('H','C','W','2') == i_current_fourcc
1723                  && p_mt->majortype == MEDIATYPE_Video )
1724                 {
1725                     // output format for 'Hauppauge WinTV PVR PCI II Capture'
1726                     // try I420 as an input format
1727                     i_current_fourcc = VLC_CODEC_I420;
1728                     if( !i_fourcc || i_fourcc == i_current_fourcc )
1729                     {
1730                         // return alternative media type
1731                         AM_MEDIA_TYPE mtr;
1732                         VIDEOINFOHEADER vh;
1733
1734                         mtr.majortype            = MEDIATYPE_Video;
1735                         mtr.subtype              = MEDIASUBTYPE_I420;
1736                         mtr.bFixedSizeSamples    = TRUE;
1737                         mtr.bTemporalCompression = FALSE;
1738                         mtr.pUnk                 = NULL;
1739                         mtr.formattype           = FORMAT_VideoInfo;
1740                         mtr.cbFormat             = sizeof(vh);
1741                         mtr.pbFormat             = (BYTE *)&vh;
1742
1743                         memset(&vh, 0, sizeof(vh));
1744
1745                         vh.bmiHeader.biSize   = sizeof(vh.bmiHeader);
1746                         vh.bmiHeader.biWidth  = i_width > 0 ? i_width :
1747                             ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1748                         vh.bmiHeader.biHeight = i_height > 0 ? i_height :
1749                             ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1750                         vh.bmiHeader.biPlanes      = 3;
1751                         vh.bmiHeader.biBitCount    = 12;
1752                         vh.bmiHeader.biCompression = VLC_CODEC_I420;
1753                         vh.bmiHeader.biSizeImage   = vh.bmiHeader.biWidth * 12 *
1754                             vh.bmiHeader.biHeight / 8;
1755                         mtr.lSampleSize            = vh.bmiHeader.biSizeImage;
1756
1757                         msg_Dbg( p_this, "EnumDeviceCaps: input pin media: using 'I420' in place of unsupported format 'HCW2'");
1758
1759                         if( SUCCEEDED(CopyMediaType(mt+mt_count, &mtr)) )
1760                             ++mt_count;
1761                     }
1762                 }
1763                 FreeMediaType( *p_mt );
1764             }
1765         }
1766
1767         p_enummt->Release();
1768         p_output_pin->Release();
1769     }
1770
1771     p_enumpins->Release();
1772     return mt_count;
1773 }
1774
1775 /*****************************************************************************
1776  * ReadCompressed: reads compressed (MPEG/DV) data from the device.
1777  *****************************************************************************
1778  * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
1779  * bytes.
1780  *****************************************************************************/
1781 static block_t *ReadCompressed( access_t *p_access )
1782 {
1783     access_sys_t   *p_sys = p_access->p_sys;
1784     dshow_stream_t *p_stream = NULL;
1785     VLCMediaSample sample;
1786
1787     /* Read 1 DV/MPEG frame (they contain the video and audio data) */
1788
1789     /* There must be only 1 elementary stream to produce a valid stream
1790      * of MPEG or DV data */
1791     p_stream = p_sys->pp_streams[0];
1792
1793     while( 1 )
1794     {
1795         if( !vlc_object_alive (p_access) ) return NULL;
1796
1797         /* Get new sample/frame from the elementary stream (blocking). */
1798         vlc_mutex_lock( &p_sys->lock );
1799
1800         if( p_stream->p_capture_filter->CustomGetPin()
1801               ->CustomGetSample( &sample ) != S_OK )
1802         {
1803             /* No data available. Wait until some data has arrived */
1804             vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1805             vlc_mutex_unlock( &p_sys->lock );
1806             continue;
1807         }
1808
1809         vlc_mutex_unlock( &p_sys->lock );
1810
1811         /*
1812          * We got our sample
1813          */
1814         block_t *p_block;
1815         uint8_t *p_data;
1816         int i_data_size = sample.p_sample->GetActualDataLength();
1817
1818         if( !i_data_size || !(p_block = block_New( p_access, i_data_size )) )
1819         {
1820             sample.p_sample->Release();
1821             continue;
1822         }
1823
1824         sample.p_sample->GetPointer( &p_data );
1825         vlc_memcpy( p_block->p_buffer, p_data, i_data_size );
1826         sample.p_sample->Release();
1827
1828         /* The caller got what he wanted */
1829         return p_block;
1830     }
1831
1832     return NULL; /* never reached */
1833 }
1834
1835 /****************************************************************************
1836  * Demux:
1837  ****************************************************************************/
1838 static int Demux( demux_t *p_demux )
1839 {
1840     access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
1841     int i_found_samples;
1842
1843     i_found_samples = 0;
1844     vlc_mutex_lock( &p_sys->lock );
1845
1846     while ( !i_found_samples )
1847     {
1848         /* Try to grab samples from all streams */
1849         for( int i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1850         {
1851             dshow_stream_t *p_stream = p_sys->pp_streams[i_stream];
1852             if( p_stream->p_capture_filter &&
1853                 p_stream->p_capture_filter->CustomGetPin()
1854                 ->CustomGetSamples( p_stream->samples_queue ) == S_OK )
1855             {
1856                 i_found_samples = 1;
1857             }
1858         }
1859
1860         if ( !i_found_samples)
1861         {
1862             /* Didn't find any audio nor video sample, just wait till the
1863              * dshow thread pushes some samples */
1864             vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1865             /* Some DShow thread pushed data, or the OS broke the wait all
1866              * by itself. In all cases, it's *strongly* advised to test the
1867              * condition again, so let the loop do the test again */
1868         }
1869     }
1870
1871     vlc_mutex_unlock( &p_sys->lock );
1872
1873     for ( int i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1874     {
1875         int i_samples;
1876         dshow_stream_t *p_stream = p_sys->pp_streams[i_stream];
1877
1878         i_samples = p_stream->samples_queue.size();
1879         while ( i_samples > 0 )
1880         {
1881             int i_data_size;
1882             uint8_t *p_data;
1883             block_t *p_block;
1884             VLCMediaSample sample;
1885
1886             sample = p_stream->samples_queue.front();
1887             p_stream->samples_queue.pop_front();
1888
1889             i_data_size = sample.p_sample->GetActualDataLength();
1890             sample.p_sample->GetPointer( &p_data );
1891
1892             REFERENCE_TIME i_pts, i_end_date;
1893             HRESULT hr = sample.p_sample->GetTime( &i_pts, &i_end_date );
1894             if( hr != VFW_S_NO_STOP_TIME && hr != S_OK ) i_pts = 0;
1895
1896             if( !i_pts )
1897             {
1898                 if( p_stream->mt.majortype == MEDIATYPE_Video || !p_stream->b_pts )
1899                 {
1900                     /* Use our data timestamp */
1901                     i_pts = sample.i_timestamp;
1902                     p_stream->b_pts = true;
1903                 }
1904             }
1905
1906             i_pts /= 10; /* Dshow works with 100 nano-seconds resolution */
1907
1908 #if 0
1909             msg_Dbg( p_demux, "Read() stream: %i, size: %i, PTS: %"PRId64,
1910                      i_stream, i_data_size, i_pts );
1911 #endif
1912
1913             p_block = block_New( p_demux, i_data_size );
1914             vlc_memcpy( p_block->p_buffer, p_data, i_data_size );
1915             p_block->i_pts = p_block->i_dts = i_pts;
1916             sample.p_sample->Release();
1917
1918             es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_pts > 0 ? i_pts : 0 );
1919             es_out_Send( p_demux->out, p_stream->p_es, p_block );
1920
1921             i_samples--;
1922         }
1923     }
1924
1925     return 1;
1926 }
1927
1928 /*****************************************************************************
1929  * AccessControl:
1930  *****************************************************************************/
1931 static int AccessControl( access_t *p_access, int i_query, va_list args )
1932 {
1933     bool    *pb_bool;
1934     int64_t *pi_64;
1935
1936     switch( i_query )
1937     {
1938     /* */
1939     case ACCESS_CAN_SEEK:
1940     case ACCESS_CAN_FASTSEEK:
1941     case ACCESS_CAN_PAUSE:
1942     case ACCESS_CAN_CONTROL_PACE:
1943         pb_bool = (bool*)va_arg( args, bool* );
1944         *pb_bool = false;
1945         break;
1946
1947     /* */
1948     case ACCESS_GET_PTS_DELAY:
1949         pi_64 = (int64_t*)va_arg( args, int64_t * );
1950         *pi_64 =
1951             INT64_C(1000) * var_InheritInteger( p_access, "live-caching" );
1952         break;
1953
1954     /* */
1955     case ACCESS_SET_PAUSE_STATE:
1956     case ACCESS_GET_TITLE_INFO:
1957     case ACCESS_SET_TITLE:
1958     case ACCESS_SET_SEEKPOINT:
1959     case ACCESS_SET_PRIVATE_ID_STATE:
1960         return VLC_EGENERIC;
1961
1962     default:
1963         msg_Warn( p_access, "unimplemented query in control" );
1964         return VLC_EGENERIC;
1965     }
1966
1967     return VLC_SUCCESS;
1968 }
1969
1970 /****************************************************************************
1971  * DemuxControl:
1972  ****************************************************************************/
1973 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
1974 {
1975     bool    *pb;
1976     int64_t *pi64;
1977
1978     switch( i_query )
1979     {
1980     /* Special for access_demux */
1981     case DEMUX_CAN_PAUSE:
1982     case DEMUX_CAN_SEEK:
1983     case DEMUX_SET_PAUSE_STATE:
1984     case DEMUX_CAN_CONTROL_PACE:
1985         pb = (bool*)va_arg( args, bool * );
1986         *pb = false;
1987         return VLC_SUCCESS;
1988
1989     case DEMUX_GET_PTS_DELAY:
1990         pi64 = (int64_t*)va_arg( args, int64_t * );
1991         *pi64 =
1992             INT64_C(1000) * var_InheritInteger( p_demux, "live-caching" );
1993         return VLC_SUCCESS;
1994
1995     case DEMUX_GET_TIME:
1996         pi64 = (int64_t*)va_arg( args, int64_t * );
1997         *pi64 = mdate();
1998         return VLC_SUCCESS;
1999
2000     /* TODO implement others */
2001     default:
2002         return VLC_EGENERIC;
2003     }
2004
2005     return VLC_EGENERIC;
2006 }
2007
2008 /*****************************************************************************
2009  * config variable callback
2010  *****************************************************************************/
2011 static int FindDevicesCallback( vlc_object_t *p_this, char const *psz_name,
2012                                vlc_value_t, vlc_value_t, void * )
2013 {
2014     module_config_t *p_item;
2015     bool b_audio = false;
2016     int i;
2017
2018     p_item = config_FindConfig( p_this, psz_name );
2019     if( !p_item ) return VLC_SUCCESS;
2020
2021     if( !strcmp( psz_name, CFG_PREFIX "adev" ) ) b_audio = true;
2022
2023     /* Clear-up the current list */
2024     if( p_item->i_list )
2025     {
2026         /* Keep the 2 first entries */
2027         for( i = 2; i < p_item->i_list; i++ )
2028         {
2029             free( p_item->ppsz_list[i] );
2030             free( p_item->ppsz_list_text[i] );
2031         }
2032         /* TODO: Remove when no more needed */
2033         p_item->ppsz_list[i] = NULL;
2034         p_item->ppsz_list_text[i] = NULL;
2035     }
2036     p_item->i_list = 2;
2037
2038     /* Find list of devices */
2039     list<string> list_devices;
2040
2041     /* Initialize OLE/COM */
2042     CoInitialize( 0 );
2043
2044     FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
2045
2046     /* Uninitialize OLE/COM */
2047     CoUninitialize();
2048
2049     if( list_devices.empty() ) return VLC_SUCCESS;
2050
2051     p_item->ppsz_list = (char**)xrealloc( p_item->ppsz_list,
2052                           (list_devices.size()+3) * sizeof(char *) );
2053     p_item->ppsz_list_text = (char**)xrealloc( p_item->ppsz_list_text,
2054                           (list_devices.size()+3) * sizeof(char *) );
2055
2056     list<string>::iterator iter;
2057     for( iter = list_devices.begin(), i = 2; iter != list_devices.end();
2058          ++iter, i++ )
2059     {
2060         p_item->ppsz_list[i] = strdup( iter->c_str() );
2061         p_item->ppsz_list_text[i] = NULL;
2062         p_item->i_list++;
2063     }
2064     p_item->ppsz_list[i] = NULL;
2065     p_item->ppsz_list_text[i] = NULL;
2066
2067     /* Signal change to the interface */
2068     p_item->b_dirty = true;
2069
2070     return VLC_SUCCESS;
2071 }
2072
2073 static int ConfigDevicesCallback( vlc_object_t *p_this, char const *psz_name,
2074                                   vlc_value_t newval, vlc_value_t, void * )
2075 {
2076     module_config_t *p_item;
2077     bool b_audio = false;
2078     char *psz_device = NULL;
2079     int i_ret = VLC_SUCCESS;
2080
2081     if( !EMPTY_STR( newval.psz_string ) )
2082         psz_device = strdup( newval.psz_string );
2083
2084     /* Initialize OLE/COM */
2085     CoInitialize( 0 );
2086
2087     p_item = config_FindConfig( p_this, psz_name );
2088
2089     if( !p_item )
2090     {
2091         free( psz_device );
2092         CoUninitialize();
2093         return VLC_SUCCESS;
2094     }
2095
2096     if( !strcmp( psz_name, CFG_PREFIX "adev" ) ) b_audio = true;
2097
2098     string devicename;
2099
2100     if( psz_device )
2101     {
2102         devicename = psz_device ;
2103     }
2104     else
2105     {
2106         /* If no device name was specified, pick the 1st one */
2107         list<string> list_devices;
2108
2109         /* Enumerate devices */
2110         FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
2111         if( list_devices.empty() )
2112         {
2113             CoUninitialize();
2114             return VLC_EGENERIC;
2115         }
2116         devicename = *list_devices.begin();
2117     }
2118
2119     IBaseFilter *p_device_filter =
2120         FindCaptureDevice( p_this, &devicename, NULL, b_audio );
2121     if( p_device_filter )
2122     {
2123         ShowPropertyPage( p_device_filter );
2124         p_device_filter->Release();
2125     }
2126     else
2127     {
2128         msg_Err( p_this, "didn't find device: %s", devicename.c_str() );
2129         i_ret = VLC_EGENERIC;
2130     }
2131
2132     /* Uninitialize OLE/COM */
2133     CoUninitialize();
2134
2135     free( psz_device );
2136     return i_ret;
2137 }
2138
2139 /*****************************************************************************
2140  * Properties
2141  *****************************************************************************/
2142
2143 static void ShowPropertyPage( IUnknown *obj )
2144 {
2145     ISpecifyPropertyPages *p_spec;
2146     CAUUID cauuid;
2147
2148     HRESULT hr = obj->QueryInterface( IID_ISpecifyPropertyPages,
2149                                       (void **)&p_spec );
2150     if( FAILED(hr) ) return;
2151
2152     if( SUCCEEDED(p_spec->GetPages( &cauuid )) )
2153     {
2154         if( cauuid.cElems > 0 )
2155         {
2156             HWND hwnd_desktop = ::GetDesktopWindow();
2157
2158             OleCreatePropertyFrame( hwnd_desktop, 30, 30, NULL, 1, &obj,
2159                                     cauuid.cElems, cauuid.pElems, 0, 0, NULL );
2160
2161             CoTaskMemFree( cauuid.pElems );
2162         }
2163         p_spec->Release();
2164     }
2165 }
2166
2167 static void ShowDeviceProperties( vlc_object_t *p_this,
2168                                   ICaptureGraphBuilder2 *p_graph,
2169                                   IBaseFilter *p_device_filter,
2170                                   bool b_audio )
2171 {
2172     HRESULT hr;
2173     msg_Dbg( p_this, "configuring Device Properties" );
2174
2175     /*
2176      * Video or audio capture filter page
2177      */
2178     ShowPropertyPage( p_device_filter );
2179
2180     /*
2181      * Audio capture pin
2182      */
2183     if( p_graph && b_audio )
2184     {
2185         IAMStreamConfig *p_SC;
2186
2187         msg_Dbg( p_this, "showing WDM Audio Configuration Pages" );
2188
2189         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2190                                      &MEDIATYPE_Audio, p_device_filter,
2191                                      IID_IAMStreamConfig, (void **)&p_SC );
2192         if( SUCCEEDED(hr) )
2193         {
2194             ShowPropertyPage(p_SC);
2195             p_SC->Release();
2196         }
2197
2198         /*
2199          * TV Audio filter
2200          */
2201         IAMTVAudio *p_TVA;
2202         HRESULT hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2203                                              &MEDIATYPE_Audio, p_device_filter,
2204                                              IID_IAMTVAudio, (void **)&p_TVA );
2205         if( SUCCEEDED(hr) )
2206         {
2207             ShowPropertyPage(p_TVA);
2208             p_TVA->Release();
2209         }
2210     }
2211
2212     /*
2213      * Video capture pin
2214      */
2215     if( p_graph && !b_audio )
2216     {
2217         IAMStreamConfig *p_SC;
2218
2219         msg_Dbg( p_this, "showing WDM Video Configuration Pages" );
2220
2221         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2222                                      &MEDIATYPE_Interleaved, p_device_filter,
2223                                      IID_IAMStreamConfig, (void **)&p_SC );
2224         if( FAILED(hr) )
2225         {
2226             hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2227                                          &MEDIATYPE_Video, p_device_filter,
2228                                          IID_IAMStreamConfig, (void **)&p_SC );
2229         }
2230
2231         if( FAILED(hr) )
2232         {
2233             hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2234                                          &MEDIATYPE_Stream, p_device_filter,
2235                                          IID_IAMStreamConfig, (void **)&p_SC );
2236         }
2237
2238         if( SUCCEEDED(hr) )
2239         {
2240             ShowPropertyPage(p_SC);
2241             p_SC->Release();
2242         }
2243     }
2244 }
2245
2246 static void ShowTunerProperties( vlc_object_t *p_this,
2247                                  ICaptureGraphBuilder2 *p_graph,
2248                                  IBaseFilter *p_device_filter,
2249                                  bool b_audio )
2250 {
2251     HRESULT hr;
2252     msg_Dbg( p_this, "configuring Tuner Properties" );
2253
2254     if( !p_graph || b_audio ) return;
2255
2256     IAMTVTuner *p_TV;
2257     hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2258                                  &MEDIATYPE_Interleaved, p_device_filter,
2259                                  IID_IAMTVTuner, (void **)&p_TV );
2260     if( FAILED(hr) )
2261     {
2262         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2263                                      &MEDIATYPE_Video, p_device_filter,
2264                                      IID_IAMTVTuner, (void **)&p_TV );
2265     }
2266
2267     if( FAILED(hr) )
2268     {
2269         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2270                                      &MEDIATYPE_Stream, p_device_filter,
2271                                      IID_IAMTVTuner, (void **)&p_TV );
2272     }
2273
2274     if( SUCCEEDED(hr) )
2275     {
2276         ShowPropertyPage(p_TV);
2277         p_TV->Release();
2278     }
2279 }
2280
2281 static void ConfigTuner( vlc_object_t *p_this, ICaptureGraphBuilder2 *p_graph,
2282                          IBaseFilter *p_device_filter )
2283 {
2284     int i_channel, i_country, i_input, i_amtuner_mode, i_standard;
2285     long l_modes = 0;
2286     unsigned i_frequency;
2287     IAMTVTuner *p_TV;
2288     HRESULT hr;
2289
2290     if( !p_graph ) return;
2291
2292     i_channel =      var_GetInteger( p_this, CFG_PREFIX "tuner-channel" );
2293     i_country =      var_GetInteger( p_this, CFG_PREFIX "tuner-country" );
2294     i_input =        var_GetInteger( p_this, CFG_PREFIX "tuner-input" );
2295     i_amtuner_mode = var_GetInteger( p_this, CFG_PREFIX "amtuner-mode" );
2296     i_frequency =    var_GetInteger( p_this, CFG_PREFIX "tuner-frequency" );
2297     i_standard =     var_GetInteger( p_this, CFG_PREFIX "tuner-standard" );
2298
2299     if( !i_channel && !i_frequency && !i_country && !i_input ) return; /* Nothing to do */
2300
2301     msg_Dbg( p_this, "tuner config: channel %i, frequency %i, country %i, input type %i, standard %s",
2302              i_channel, i_frequency, i_country, i_input, ppsz_standards_list_text[i_standard] );
2303
2304
2305     hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Interleaved,
2306                                  p_device_filter, IID_IAMTVTuner,
2307                                  (void **)&p_TV );
2308     if( FAILED(hr) )
2309     {
2310         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video,
2311                                      p_device_filter, IID_IAMTVTuner,
2312                                      (void **)&p_TV );
2313     }
2314
2315     if( FAILED(hr) )
2316     {
2317         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Stream,
2318                                      p_device_filter, IID_IAMTVTuner,
2319                                      (void **)&p_TV );
2320     }
2321
2322     if( FAILED(hr) )
2323     {
2324         msg_Dbg( p_this, "couldn't find tuner interface" );
2325         return;
2326     }
2327
2328     hr = p_TV->GetAvailableModes( &l_modes );
2329     if( SUCCEEDED(hr) && (l_modes & i_amtuner_mode) )
2330     {
2331         hr = p_TV->put_Mode( (AMTunerModeType)i_amtuner_mode );
2332     }
2333
2334     if( i_input == 1 ) p_TV->put_InputType( 0, TunerInputCable );
2335     else if( i_input == 2 ) p_TV->put_InputType( 0, TunerInputAntenna );
2336
2337     p_TV->put_CountryCode( i_country );
2338
2339     if( i_frequency <= 0 ) p_TV->put_Channel( i_channel, AMTUNER_SUBCHAN_NO_TUNE,
2340                        AMTUNER_SUBCHAN_NO_TUNE );
2341
2342     if( i_frequency > 0 || i_standard > 0) {
2343         IKsPropertySet *pKs = NULL;
2344         DWORD dw_supported = 0;
2345         KSPROPERTY_TUNER_MODE_CAPS_S ModeCaps;
2346         KSPROPERTY_TUNER_FREQUENCY_S Frequency;
2347         KSPROPERTY_TUNER_STANDARD_S Standard;
2348
2349         hr = p_TV->QueryInterface(IID_IKsPropertySet,(void **)&pKs);
2350         if (FAILED(hr))
2351         {
2352             msg_Dbg( p_this, "Couldn't QI for IKsPropertySet" );
2353             p_TV->Release();
2354             return;
2355         }
2356
2357         memset(&ModeCaps,0,sizeof(KSPROPERTY_TUNER_MODE_CAPS_S));
2358         memset(&Frequency,0,sizeof(KSPROPERTY_TUNER_FREQUENCY_S));
2359         memset(&Standard,0,sizeof(KSPROPERTY_TUNER_STANDARD_S));
2360         ModeCaps.Mode = AMTUNER_MODE_TV;
2361
2362         hr = pKs->QuerySupported(PROPSETID_TUNER,
2363                 KSPROPERTY_TUNER_MODE_CAPS,&dw_supported);
2364         if(SUCCEEDED(hr) && dw_supported&KSPROPERTY_SUPPORT_GET)
2365         {
2366             DWORD cbBytes=0;
2367             hr = pKs->Get(PROPSETID_TUNER,KSPROPERTY_TUNER_MODE_CAPS,
2368                 INSTANCEDATA_OF_PROPERTY_PTR(&ModeCaps),
2369                 INSTANCEDATA_OF_PROPERTY_SIZE(ModeCaps),
2370                 &ModeCaps,
2371                 sizeof(ModeCaps),
2372                 &cbBytes);
2373         }
2374         else
2375         {
2376             msg_Dbg( p_this, "KSPROPERTY_TUNER_MODE_CAPS not supported!" );
2377             goto free_on_error;
2378         }
2379
2380         msg_Dbg( p_this, "Frequency range supported from %ld to %ld.",
2381                  ModeCaps.MinFrequency, ModeCaps.MaxFrequency);
2382         msg_Dbg( p_this, "Video standards supported by the tuner: ");
2383         for(size_t i = 0 ; i < ARRAY_SIZE(ppsz_standards_list_text); i++) {
2384             if(ModeCaps.StandardsSupported & i_standards_list[i])
2385                 msg_Dbg( p_this, "%s, ", ppsz_standards_list_text[i]);
2386         }
2387
2388         if(i_frequency > 0) {
2389             Frequency.Frequency=i_frequency;
2390             if(ModeCaps.Strategy==KS_TUNER_STRATEGY_DRIVER_TUNES)
2391                 Frequency.TuningFlags=KS_TUNER_TUNING_FINE;
2392             else
2393                 Frequency.TuningFlags=KS_TUNER_TUNING_EXACT;
2394
2395             if(i_frequency>=ModeCaps.MinFrequency && i_frequency<=ModeCaps.MaxFrequency)
2396             {
2397
2398                 hr = pKs->Set(PROPSETID_TUNER,
2399                     KSPROPERTY_TUNER_FREQUENCY,
2400                     INSTANCEDATA_OF_PROPERTY_PTR(&Frequency),
2401                     INSTANCEDATA_OF_PROPERTY_SIZE(Frequency),
2402                     &Frequency,
2403                     sizeof(Frequency));
2404                 if(FAILED(hr))
2405                 {
2406                     msg_Dbg( p_this, "Couldn't set KSPROPERTY_TUNER_FREQUENCY!" );
2407                     goto free_on_error;
2408                 }
2409             }
2410             else
2411             {
2412                 msg_Dbg( p_this, "Requested frequency exceeds the supported range!" );
2413                 goto free_on_error;
2414             }
2415         }
2416
2417         if(i_standard > 0) {
2418             if(i_standard & ModeCaps.StandardsSupported )
2419             {
2420                 Standard.Standard = i_standard;
2421                 hr = pKs->Set(PROPSETID_TUNER,
2422                     KSPROPERTY_TUNER_STANDARD,
2423                     INSTANCEDATA_OF_PROPERTY_PTR(&Standard),
2424                     INSTANCEDATA_OF_PROPERTY_SIZE(Standard),
2425                     &Standard,
2426                     sizeof(Standard));
2427                 if(FAILED(hr))
2428                 {
2429                     msg_Dbg( p_this, "Couldn't set KSPROPERTY_TUNER_STANDARD!" );
2430                     goto free_on_error;
2431                 }
2432             }
2433             else
2434             {
2435                 msg_Dbg( p_this, "Requested video standard is not supported by the tuner!" );
2436                 goto free_on_error;
2437             }
2438         }
2439 free_on_error:
2440         pKs->Release();
2441     }
2442
2443     p_TV->Release();
2444 }