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( vlc_object_t *p_this, access_sys_t *p_sys )
 367 {
 368     DeleteCrossbarRoutes( p_sys );
 369
 370     /* Remove filters from graph */
 371     msg_Dbg( p_this, "DeleteDirectShowGraph: Removing filters" );
 372     for( int i = 0; i < p_sys->i_streams; i++ )
 373     {
 374         /* RemoveFilter does an undocumented Release()
 375          * but does not set item to NULL */
 376         msg_Dbg( p_this, "DeleteDirectShowGraph: Removing capture filter" );
 377         p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_capture_filter );
 378         p_sys->pp_streams[i]->p_capture_filter = NULL;
 379
 380         msg_Dbg( p_this, "DeleteDirectShowGraph: Removing device filter" );
 381         p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_device_filter );
 382         p_sys->pp_streams[i]->p_device_filter = NULL;
 383     }
 384
 385     /* Release directshow objects */
 386     if( p_sys->p_control )
 387     {
 388         p_sys->p_control->Release();
 389         p_sys->p_control = NULL;
 390     }
 391     if( p_sys->p_capture_graph_builder2 )
 392     {
 393         p_sys->p_capture_graph_builder2->Release();
 394         p_sys->p_capture_graph_builder2 = NULL;
 395     }
 396
 397     if( p_sys->p_graph )
 398     {
 399         p_sys->p_graph->Release();
 400         p_sys->p_graph = NULL;
 401     }
 402 }
 403
 404 /*****************************************************************************
 405  * CommonOpen: open direct show device
 406  *****************************************************************************/
 407 static int CommonOpen( vlc_object_t *p_this, access_sys_t *p_sys,
 408                        bool b_access_demux )
 409 {
 410     char *psz_val;
 411
 412     /* Get/parse options and open device(s) */
 413     string vdevname, adevname;
 414     int i_width = 0, i_height = 0;
 415     vlc_fourcc_t i_chroma = 0;
 416     bool b_use_audio = true;
 417     bool b_use_video = true;
 418
 419     /* Initialize OLE/COM */
 420     CoInitialize( 0 );
 421
 422     var_Create( p_this,  CFG_PREFIX "config", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 423     var_Create( p_this,  CFG_PREFIX "tuner", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 424     psz_val = var_CreateGetString( p_this, CFG_PREFIX "vdev" );
 425     if( psz_val )
 426     {
 427         msg_Dbg( p_this, "dshow-vdev: %s", psz_val ) ;
 428         /* skip none device */
 429         if ( strncasecmp( psz_val, "none", 4 ) != 0 )
 430             vdevname = string( psz_val );
 431         else
 432             b_use_video = false ;
 433     }
 434     free( psz_val );
 435
 436     psz_val = var_CreateGetString( p_this, CFG_PREFIX "adev" );
 437     if( psz_val )
 438     {
 439         msg_Dbg( p_this, "dshow-adev: %s", psz_val ) ;
 440         /* skip none device */
 441         if ( strncasecmp( psz_val, "none", 4 ) != 0 )
 442             adevname = string( psz_val );
 443         else
 444             b_use_audio = false ;
 445     }
 446     free( psz_val );
 447
 448     /* DShow Size */
 449     static struct {
 450         const char *psz_size;
 451         int  i_width;
 452         int  i_height;
 453     } size_table[] =
 454     { { "subqcif", 128, 96  },
 455       {    "qsif", 160, 120 },
 456       {    "qcif", 176, 144 },
 457       {     "sif", 320, 240 },
 458       {     "cif", 352, 288 },
 459       {      "d1", 640, 480 },
 460       { 0, 0, 0 },
 461     };
 462
 463     psz_val = var_CreateGetString( p_this, CFG_PREFIX "size" );
 464     if( !EMPTY_STR(psz_val) )
 465     {
 466         int i;
 467         for( i = 0; size_table[i].psz_size; i++ )
 468         {
 469             if( !strcmp( psz_val, size_table[i].psz_size ) )
 470             {
 471                 i_width = size_table[i].i_width;
 472                 i_height = size_table[i].i_height;
 473                 break;
 474             }
 475         }
 476         if( !size_table[i].psz_size ) /* Try to parse "WidthxHeight" */
 477         {
 478             char *psz_parser;
 479             i_width = strtol( psz_val, &psz_parser, 0 );
 480             if( *psz_parser == 'x' || *psz_parser == 'X')
 481             {
 482                 i_height = strtol( psz_parser + 1, &psz_parser, 0 );
 483             }
 484             msg_Dbg( p_this, "width x height %dx%d", i_width, i_height );
 485         }
 486     }
 487     free( psz_val );
 488
 489     /* Chroma */
 490     psz_val = var_CreateGetString( p_this, CFG_PREFIX "chroma" );
 491     i_chroma = vlc_fourcc_GetCodecFromString( UNKNOWN_ES, psz_val );
 492     p_sys->b_chroma = i_chroma != 0;
 493     free( psz_val );
 494
 495     var_Create( p_this, CFG_PREFIX "fps", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
 496     var_Create( p_this, CFG_PREFIX "tuner-channel",
 497                 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 498     var_Create( p_this, CFG_PREFIX "tuner-frequency",
 499                 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 500     var_Create( p_this, CFG_PREFIX "tuner-standard",
 501                 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 502     var_Create( p_this, CFG_PREFIX "tuner-country",
 503                 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 504     var_Create( p_this, CFG_PREFIX "tuner-input",
 505                 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 506
 507     var_Create( p_this, CFG_PREFIX "amtuner-mode",
 508                 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 509
 510     var_Create( p_this, CFG_PREFIX "video-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 511     var_Create( p_this, CFG_PREFIX "audio-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 512     var_Create( p_this, CFG_PREFIX "video-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 513     var_Create( p_this, CFG_PREFIX "audio-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 514
 515
 516     /* Initialize some data */
 517     p_sys->i_streams = 0;
 518     p_sys->pp_streams = NULL;
 519     p_sys->i_width = i_width;
 520     p_sys->i_height = i_height;
 521     p_sys->i_chroma = i_chroma;
 522
 523     p_sys->p_graph = NULL;
 524     p_sys->p_capture_graph_builder2 = NULL;
 525     p_sys->p_control = NULL;
 526
 527     /* Build directshow graph */
 528     CreateDirectShowGraph( p_sys );
 529
 530     vlc_mutex_init( &p_sys->lock );
 531     vlc_cond_init( &p_sys->wait );
 532
 533     if( !b_use_video && !b_use_audio )
 534     {
 535         dialog_Fatal( p_this, _("Capture failed"),
 536                         _("No video or audio device selected.") );
 537         return VLC_EGENERIC ;
 538     }
 539
 540     if( !b_use_video )
 541         msg_Dbg( p_this, "skipping video device" ) ;
 542     bool b_err_video = false ;
 543
 544     if( b_use_video && OpenDevice( p_this, p_sys, vdevname, 0 ) != VLC_SUCCESS )
 545     {
 546         msg_Err( p_this, "can't open video device");
 547         b_err_video = true ;
 548     }
 549
 550     if ( b_use_video && !b_err_video )
 551     {
 552         /* Check if we can handle the demuxing ourselves or need to spawn
 553          * a demuxer module */
 554         dshow_stream_t *p_stream = p_sys->pp_streams[p_sys->i_streams-1];
 555
 556         if( p_stream->mt.majortype == MEDIATYPE_Video )
 557         {
 558             if( /* Raw DV stream */
 559                 p_stream->i_fourcc == VLC_CODEC_DV ||
 560                 /* Raw MPEG video stream */
 561                 p_stream->i_fourcc == VLC_CODEC_MPGV )
 562             {
 563                 b_use_audio = false;
 564
 565                 if( b_access_demux )
 566                 {
 567                     /* Let the access (only) take care of that */
 568                     return VLC_EGENERIC;
 569                 }
 570             }
 571         }
 572
 573         if( p_stream->mt.majortype == MEDIATYPE_Stream )
 574         {
 575             b_use_audio = false;
 576
 577             if( b_access_demux )
 578             {
 579                 /* Let the access (only) take care of that */
 580                 return VLC_EGENERIC;
 581             }
 582
 583             if( var_GetBool( p_this, CFG_PREFIX "tuner" ) )
 584             {
 585                 /* FIXME: we do MEDIATYPE_Stream here so we don't do
 586                  * it twice. */
 587                 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
 588                                      p_stream->p_device_filter, 0 );
 589             }
 590         }
 591     }
 592
 593     if( !b_use_audio )
 594         msg_Dbg( p_this, "skipping audio device") ;
 595
 596     bool b_err_audio = false ;
 597
 598     if( b_use_audio && OpenDevice( p_this, p_sys, adevname, 1 ) != VLC_SUCCESS )
 599     {
 600         msg_Err( p_this, "can't open audio device");
 601         b_err_audio = true ;
 602     }
 603
 604     if( ( b_use_video && b_err_video && b_use_audio && b_err_audio ) ||
 605         ( !b_use_video && b_use_audio && b_err_audio ) ||
 606         ( b_use_video && !b_use_audio && b_err_video ) )
 607     {
 608         msg_Err( p_this, "FATAL: could not open ANY device" ) ;
 609         dialog_Fatal( p_this,  _("Capture failed"),
 610                         _("VLC cannot open ANY capture device. "
 611                           "Check the error log for details.") );
 612         return VLC_EGENERIC ;
 613     }
 614
 615     for( int i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
 616     {
 617         int i_val = var_GetInteger( p_this, CFG_PREFIX "video-input" );
 618         if( i_val >= 0 )
 619             p_sys->crossbar_routes[i].VideoInputIndex = i_val;
 620         i_val = var_GetInteger( p_this, CFG_PREFIX "video-output" );
 621         if( i_val >= 0 )
 622             p_sys->crossbar_routes[i].VideoOutputIndex = i_val;
 623         i_val = var_GetInteger( p_this, CFG_PREFIX "audio-input" );
 624         if( i_val >= 0 )
 625             p_sys->crossbar_routes[i].AudioInputIndex = i_val;
 626         i_val = var_GetInteger( p_this, CFG_PREFIX "audio-output" );
 627         if( i_val >= 0 )
 628             p_sys->crossbar_routes[i].AudioOutputIndex = i_val;
 629
 630         IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
 631         LONG VideoInputIndex = p_sys->crossbar_routes[i].VideoInputIndex;
 632         LONG VideoOutputIndex = p_sys->crossbar_routes[i].VideoOutputIndex;
 633         LONG AudioInputIndex = p_sys->crossbar_routes[i].AudioInputIndex;
 634         LONG AudioOutputIndex = p_sys->crossbar_routes[i].AudioOutputIndex;
 635
 636         if( SUCCEEDED(pXbar->Route(VideoOutputIndex, VideoInputIndex)) )
 637         {
 638             msg_Dbg( p_this, "crossbar at depth %d, routed video "
 639                      "output %ld to video input %ld", i, VideoOutputIndex,
 640                      VideoInputIndex );
 641
 642             if( AudioOutputIndex != -1 && AudioInputIndex != -1 )
 643             {
 644                 if( SUCCEEDED( pXbar->Route(AudioOutputIndex,
 645                                             AudioInputIndex)) )
 646                 {
 647                     msg_Dbg(p_this, "crossbar at depth %d, routed audio "
 648                             "output %ld to audio input %ld", i,
 649                             AudioOutputIndex, AudioInputIndex );
 650                 }
 651             }
 652         }
 653         else
 654             msg_Err( p_this, "crossbar at depth %d could not route video "
 655                      "output %ld to input %ld", i, VideoOutputIndex, VideoInputIndex );
 656     }
 657
 658     /*
 659     ** Show properties pages from other filters in graph
 660     */
 661     if( var_GetBool( p_this, CFG_PREFIX "config" ) )
 662     {
 663         for( int i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
 664         {
 665             IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
 666             IBaseFilter *p_XF;
 667
 668             if( SUCCEEDED( pXbar->QueryInterface( IID_IBaseFilter,
 669                                                   (void **)&p_XF ) ) )
 670             {
 671                 ShowPropertyPage( p_XF );
 672                 p_XF->Release();
 673             }
 674         }
 675     }
 676
 677     /* Initialize some data */
 678     p_sys->i_current_stream = 0;
 679
 680     if( !p_sys->i_streams ) return VLC_EGENERIC;
 681
 682     return VLC_SUCCESS;
 683 }
 684
 685 /*****************************************************************************
 686  * DemuxOpen: open direct show device as an access_demux module
 687  *****************************************************************************/
 688 static int DemuxOpen( vlc_object_t *p_this )
 689 {
 690     demux_t      *p_demux = (demux_t *)p_this;
 691     access_sys_t *p_sys;
 692
 693     p_sys = (access_sys_t*)calloc( 1, sizeof( access_sys_t ) );
 694     if( !p_sys )
 695         return VLC_ENOMEM;
 696     p_demux->p_sys = (demux_sys_t *)p_sys;
 697
 698     if( CommonOpen( p_this, p_sys, true ) != VLC_SUCCESS )
 699     {
 700         CommonClose( p_this, p_sys );
 701         return VLC_EGENERIC;
 702     }
 703
 704     /* Everything is ready. Let's rock baby */
 705     msg_Dbg( p_this, "Playing...");
 706     p_sys->p_control->Run();
 707
 708     p_demux->pf_demux   = Demux;
 709     p_demux->pf_control = DemuxControl;
 710     p_demux->info.i_update = 0;
 711     p_demux->info.i_title = 0;
 712     p_demux->info.i_seekpoint = 0;
 713
 714     for( int i = 0; i < p_sys->i_streams; i++ )
 715     {
 716         dshow_stream_t *p_stream = p_sys->pp_streams[i];
 717         es_format_t fmt;
 718
 719         if( p_stream->mt.majortype == MEDIATYPE_Video )
 720         {
 721             char *psz_aspect = var_CreateGetString( p_this, CFG_PREFIX "aspect-ratio" );
 722             char *psz_delim = !EMPTY_STR( psz_aspect ) ? strchr( psz_aspect, ':' ) : NULL;
 723
 724             es_format_Init( &fmt, VIDEO_ES, p_stream->i_fourcc );
 725
 726             fmt.video.i_width  = p_stream->header.video.bmiHeader.biWidth;
 727             fmt.video.i_height = p_stream->header.video.bmiHeader.biHeight;
 728
 729             if( psz_delim )
 730             {
 731                 fmt.video.i_sar_num = atoi( psz_aspect ) * fmt.video.i_height;
 732                 fmt.video.i_sar_den = atoi( psz_delim + 1 ) * fmt.video.i_width;
 733             }
 734             else
 735             {
 736                 fmt.video.i_sar_num = 4 * fmt.video.i_height;
 737                 fmt.video.i_sar_den = 3 * fmt.video.i_width;
 738             }
 739             free( psz_aspect );
 740
 741             if( !p_stream->header.video.bmiHeader.biCompression )
 742             {
 743                 /* RGB DIB are coded from bottom to top */
 744                 fmt.video.i_height = (unsigned int)(-(int)fmt.video.i_height);
 745             }
 746
 747             /* Setup rgb mask for RGB formats */
 748             if( p_stream->i_fourcc == VLC_CODEC_RGB24 )
 749             {
 750                 /* This is in RGB format
 751             http://msdn.microsoft.com/en-us/library/dd407253%28VS.85%29.aspx?ppud=4
 752                  */
 753                 fmt.video.i_rmask = 0x00ff0000;
 754                 fmt.video.i_gmask = 0x0000ff00;
 755                 fmt.video.i_bmask = 0x000000ff;
 756             }
 757
 758             if( p_stream->header.video.AvgTimePerFrame )
 759             {
 760                 fmt.video.i_frame_rate = 10000000;
 761                 fmt.video.i_frame_rate_base =
 762                     p_stream->header.video.AvgTimePerFrame;
 763             }
 764         }
 765         else if( p_stream->mt.majortype == MEDIATYPE_Audio )
 766         {
 767             es_format_Init( &fmt, AUDIO_ES, p_stream->i_fourcc );
 768
 769             fmt.audio.i_channels = p_stream->header.audio.nChannels;
 770             fmt.audio.i_rate = p_stream->header.audio.nSamplesPerSec;
 771             fmt.audio.i_bitspersample = p_stream->header.audio.wBitsPerSample;
 772             fmt.audio.i_blockalign = fmt.audio.i_channels *
 773                 fmt.audio.i_bitspersample / 8;
 774             fmt.i_bitrate = fmt.audio.i_channels * fmt.audio.i_rate *
 775                 fmt.audio.i_bitspersample;
 776         }
 777
 778         p_stream->p_es = es_out_Add( p_demux->out, &fmt );
 779     }
 780
 781     return VLC_SUCCESS;
 782 }
 783
 784 /*****************************************************************************
 785  * AccessOpen: open direct show device as an access module
 786  *****************************************************************************/
 787 static int AccessOpen( vlc_object_t *p_this )
 788 {
 789     access_t     *p_access = (access_t*)p_this;
 790     access_sys_t *p_sys;
 791
 792     p_access->p_sys = p_sys = (access_sys_t*)calloc( 1, sizeof( access_sys_t ) );
 793     if( !p_sys )
 794         return VLC_ENOMEM;
 795
 796     if( CommonOpen( p_this, p_sys, false ) != VLC_SUCCESS )
 797     {
 798         CommonClose( p_this, p_sys );
 799         return VLC_EGENERIC;
 800     }
 801
 802     dshow_stream_t *p_stream = p_sys->pp_streams[0];
 803
 804     /* Check if we need to force demuxers */
 805     if( !p_access->psz_demux || !*p_access->psz_demux )
 806     {
 807         if( p_stream->i_fourcc == VLC_CODEC_DV )
 808         {
 809             free( p_access->psz_demux );
 810             p_access->psz_demux = strdup( "rawdv" );
 811         }
 812         else if( p_stream->i_fourcc == VLC_CODEC_MPGV )
 813         {
 814             free( p_access->psz_demux );
 815             p_access->psz_demux = strdup( "mpgv" );
 816         }
 817     }
 818
 819     /* Setup Access */
 820     p_access->pf_read = NULL;
 821     p_access->pf_block = ReadCompressed;
 822     p_access->pf_control = AccessControl;
 823     p_access->pf_seek = NULL;
 824     p_access->info.i_update = 0;
 825     p_access->info.i_size = 0;
 826     p_access->info.i_pos = 0;
 827     p_access->info.b_eof = false;
 828     p_access->info.i_title = 0;
 829     p_access->info.i_seekpoint = 0;
 830     p_access->p_sys = p_sys;
 831
 832     /* Everything is ready. Let's rock baby */
 833     msg_Dbg( p_this, "Playing...");
 834     p_sys->p_control->Run();
 835
 836     return VLC_SUCCESS;
 837 }
 838
 839 /*****************************************************************************
 840  * CommonClose: close device
 841  *****************************************************************************/
 842 static void CommonClose( vlc_object_t *p_this, access_sys_t *p_sys )
 843 {
 844     msg_Dbg( p_this, "releasing DirectShow");
 845
 846     DeleteDirectShowGraph( p_this, p_sys );
 847
 848     /* Uninitialize OLE/COM */
 849     CoUninitialize();
 850
 851     for( int i = 0; i < p_sys->i_streams; i++ ) delete p_sys->pp_streams[i];
 852     if( p_sys->i_streams ) free( p_sys->pp_streams );
 853
 854     vlc_mutex_destroy( &p_sys->lock );
 855     vlc_cond_destroy( &p_sys->wait );
 856
 857     free( p_sys );
 858 }
 859
 860 /*****************************************************************************
 861  * AccessClose: close device
 862  *****************************************************************************/
 863 static void AccessClose( vlc_object_t *p_this )
 864 {
 865     access_t     *p_access = (access_t *)p_this;
 866     access_sys_t *p_sys    = p_access->p_sys;
 867
 868     /* Stop capturing stuff */
 869     p_sys->p_control->Stop();
 870
 871     CommonClose( p_this, p_sys );
 872 }
 873
 874 /*****************************************************************************
 875  * DemuxClose: close device
 876  *****************************************************************************/
 877 static void DemuxClose( vlc_object_t *p_this )
 878 {
 879     demux_t      *p_demux = (demux_t *)p_this;
 880     access_sys_t *p_sys   = (access_sys_t *)p_demux->p_sys;
 881
 882     /* Stop capturing stuff */
 883     p_sys->p_control->Stop();
 884
 885     CommonClose( p_this, p_sys );
 886 }
 887
 888 /****************************************************************************
 889  * ConnectFilters
 890  ****************************************************************************/
 891 static bool ConnectFilters( vlc_object_t *p_this, access_sys_t *p_sys,
 892                             IBaseFilter *p_filter,
 893                             CaptureFilter *p_capture_filter )
 894 {
 895     CapturePin *p_input_pin = p_capture_filter->CustomGetPin();
 896
 897     AM_MEDIA_TYPE mediaType = p_input_pin->CustomGetMediaType();
 898
 899     if( p_sys->p_capture_graph_builder2 )
 900     {
 901         if( FAILED(p_sys->p_capture_graph_builder2->
 902                 RenderStream( &PIN_CATEGORY_CAPTURE, &mediaType.majortype,
 903                               p_filter, 0, (IBaseFilter *)p_capture_filter )) )
 904         {
 905             return false;
 906         }
 907
 908         // Sort out all the possible video inputs
 909         // The class needs to be given the capture filters ANALOGVIDEO input pin
 910         IEnumPins *pins = NULL;
 911         if( ( mediaType.majortype == MEDIATYPE_Video ||
 912               mediaType.majortype == MEDIATYPE_Stream ) &&
 913             SUCCEEDED(p_filter->EnumPins(&pins)) )
 914         {
 915             IPin        *pP = NULL;
 916             ULONG        n;
 917             PIN_INFO     pinInfo;
 918             BOOL         Found = FALSE;
 919             IKsPropertySet *pKs = NULL;
 920             GUID guid;
 921             DWORD dw;
 922
 923             while( !Found && ( S_OK == pins->Next(1, &pP, &n) ) )
 924             {
 925                 if( S_OK == pP->QueryPinInfo(&pinInfo) )
 926                 {
 927                     // is this pin an ANALOGVIDEOIN input pin?
 928                     if( pinInfo.dir == PINDIR_INPUT &&
 929                         pP->QueryInterface( IID_IKsPropertySet,
 930                                             (void **)&pKs ) == S_OK )
 931                     {
 932                         if( pKs->Get( AMPROPSETID_Pin,
 933                                       AMPROPERTY_PIN_CATEGORY, NULL, 0,
 934                                       &guid, sizeof(GUID), &dw ) == S_OK )
 935                         {
 936                             if( guid == PIN_CATEGORY_ANALOGVIDEOIN )
 937                             {
 938                                 // recursively search crossbar routes
 939                                 FindCrossbarRoutes( p_this, p_sys, pP, 0 );
 940                                 // found it
 941                                 Found = TRUE;
 942                             }
 943                         }
 944                         pKs->Release();
 945                     }
 946                     pinInfo.pFilter->Release();
 947                 }
 948                 pP->Release();
 949             }
 950             pins->Release();
 951             msg_Dbg( p_this, "ConnectFilters: graph_builder2 available.") ;
 952             if ( !Found )
 953                 msg_Warn( p_this, "ConnectFilters: No crossBar routes found (incompatible pin types)" ) ;
 954         }
 955         return true;
 956     }
 957     else
 958     {
 959         IEnumPins *p_enumpins;
 960         IPin *p_pin;
 961
 962         if( S_OK != p_filter->EnumPins( &p_enumpins ) ) return false;
 963
 964         while( S_OK == p_enumpins->Next( 1, &p_pin, NULL ) )
 965         {
 966             PIN_DIRECTION pin_dir;
 967             p_pin->QueryDirection( &pin_dir );
 968
 969             if( pin_dir == PINDIR_OUTPUT &&
 970                 p_sys->p_graph->ConnectDirect( p_pin, (IPin *)p_input_pin,
 971                                                0 ) == S_OK )
 972             {
 973                 p_pin->Release();
 974                 p_enumpins->Release();
 975                 return true;
 976             }
 977             p_pin->Release();
 978         }
 979
 980         p_enumpins->Release();
 981         return false;
 982     }
 983 }
 984
 985 /*
 986  * get fourcc priority from arbritary preference, the higher the better
 987  */
 988 static int GetFourCCPriority( int i_fourcc )
 989 {
 990     switch( i_fourcc )
 991     {
 992     case VLC_CODEC_I420:
 993     case VLC_CODEC_FL32:
 994         return 9;
 995     case VLC_CODEC_YV12:
 996     case VLC_FOURCC('a','r','a','w'):
 997         return 8;
 998     case VLC_CODEC_RGB24:
 999         return 7;
1000     case VLC_CODEC_YUYV:
1001     case VLC_CODEC_RGB32:
1002     case VLC_CODEC_RGBA:
1003         return 6;
1004     }
1005
1006     return 0;
1007 }
1008
1009 #define MAX_MEDIA_TYPES 32
1010
1011 static int OpenDevice( vlc_object_t *p_this, access_sys_t *p_sys,
1012                        string devicename, bool b_audio )
1013 {
1014     /* See if device is already opened */
1015     for( int i = 0; i < p_sys->i_streams; i++ )
1016     {
1017         if( devicename.size() &&
1018             p_sys->pp_streams[i]->devicename == devicename )
1019         {
1020             /* Already opened */
1021             return VLC_SUCCESS;
1022         }
1023     }
1024
1025     list<string> list_devices;
1026
1027     /* Enumerate devices and display their names */
1028     FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1029     if( list_devices.empty() )
1030         return VLC_EGENERIC;
1031
1032     list<string>::iterator iter;
1033     for( iter = list_devices.begin(); iter != list_devices.end(); ++iter )
1034         msg_Dbg( p_this, "found device: %s", iter->c_str() );
1035
1036     /* If no device name was specified, pick the 1st one */
1037     if( devicename.size() == 0 )
1038     {
1039         /* When none selected */
1040         devicename = *list_devices.begin();
1041         msg_Dbg( p_this, "asking for default device: %s", devicename.c_str() ) ;
1042     }
1043     else
1044         msg_Dbg( p_this, "asking for device: %s", devicename.c_str() ) ;
1045     // Use the system device enumerator and class enumerator to find
1046     // a capture/preview device, such as a desktop USB video camera.
1047     IBaseFilter *p_device_filter =
1048         FindCaptureDevice( p_this, &devicename, NULL, b_audio );
1049
1050     if( p_device_filter )
1051         msg_Dbg( p_this, "using device: %s", devicename.c_str() );
1052     else
1053     {
1054         msg_Err( p_this, "can't use device: %s, unsupported device type",
1055                  devicename.c_str() );
1056         dialog_Fatal( p_this, _("Capture failed"),
1057                         _("VLC cannot use the device \"%s\", because its "
1058                           "type is not supported."), devicename.c_str() );
1059         return VLC_EGENERIC;
1060     }
1061
1062     // Retreive acceptable media types supported by device
1063     AM_MEDIA_TYPE media_types[MAX_MEDIA_TYPES];
1064     size_t media_count =
1065         EnumDeviceCaps( p_this, p_device_filter, b_audio ? 0 : p_sys->i_chroma,
1066                         p_sys->i_width, p_sys->i_height,
1067       b_audio ? var_CreateGetInteger( p_this, CFG_PREFIX "audio-channels" ) : 0,
1068       b_audio ? var_CreateGetInteger( p_this, CFG_PREFIX "audio-samplerate" ) : 0,
1069       b_audio ? var_CreateGetInteger( p_this, CFG_PREFIX "audio-bitspersample" ) : 0,
1070       media_types, MAX_MEDIA_TYPES );
1071
1072     AM_MEDIA_TYPE *mt = NULL;
1073
1074     if( media_count > 0 )
1075     {
1076         mt = (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE) * media_count);
1077
1078         // Order and copy returned media types according to arbitrary
1079         // fourcc priority
1080         for( size_t c = 0; c < media_count; c++ )
1081         {
1082             int slot_priority =
1083                 GetFourCCPriority(GetFourCCFromMediaType(media_types[c]));
1084             size_t slot_copy = c;
1085             for( size_t d = c+1; d < media_count; d++ )
1086             {
1087                 int priority =
1088                     GetFourCCPriority(GetFourCCFromMediaType(media_types[d]));
1089                 if( priority > slot_priority )
1090                 {
1091                     slot_priority = priority;
1092                     slot_copy = d;
1093                 }
1094             }
1095             if( slot_copy != c )
1096             {
1097                 mt[c] = media_types[slot_copy];
1098                 media_types[slot_copy] = media_types[c];
1099             }
1100             else
1101             {
1102                 mt[c] = media_types[c];
1103             }
1104         }
1105     }
1106     else {
1107         /* capture device */
1108         msg_Err( p_this, "capture device '%s' does not support required parameters !", devicename.c_str() );
1109         dialog_Fatal( p_this, _("Capture failed"),
1110                         _("The capture device \"%s\" does not support the "
1111                           "required parameters."), devicename.c_str() );
1112         p_device_filter->Release();
1113         return VLC_EGENERIC;
1114     }
1115
1116     /* Create and add our capture filter */
1117     CaptureFilter *p_capture_filter =
1118         new CaptureFilter( p_this, p_sys, mt, media_count );
1119     p_sys->p_graph->AddFilter( p_capture_filter, 0 );
1120
1121     /* Add the device filter to the graph (seems necessary with VfW before
1122      * accessing pin attributes). */
1123     p_sys->p_graph->AddFilter( p_device_filter, 0 );
1124
1125     /* Attempt to connect one of this device's capture output pins */
1126     msg_Dbg( p_this, "connecting filters" );
1127     if( ConnectFilters( p_this, p_sys, p_device_filter, p_capture_filter ) )
1128     {
1129         /* Success */
1130         msg_Dbg( p_this, "filters connected successfully !" );
1131
1132         dshow_stream_t dshow_stream;
1133         dshow_stream.b_pts = false;
1134         dshow_stream.p_es = 0;
1135         dshow_stream.mt =
1136             p_capture_filter->CustomGetPin()->CustomGetMediaType();
1137
1138         /* Show Device properties. Done here so the VLC stream is setup with
1139          * the proper parameters. */
1140         if( var_GetBool( p_this, CFG_PREFIX "config" ) )
1141         {
1142             ShowDeviceProperties( p_this, p_sys->p_capture_graph_builder2,
1143                                   p_device_filter, b_audio );
1144         }
1145
1146         ConfigTuner( p_this, p_sys->p_capture_graph_builder2,
1147                      p_device_filter );
1148
1149         if( var_GetBool( p_this, CFG_PREFIX "tuner" ) &&
1150             dshow_stream.mt.majortype != MEDIATYPE_Stream )
1151         {
1152             /* FIXME: we do MEDIATYPE_Stream later so we don't do it twice. */
1153             ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
1154                                  p_device_filter, b_audio );
1155         }
1156
1157         dshow_stream.mt =
1158             p_capture_filter->CustomGetPin()->CustomGetMediaType();
1159
1160         dshow_stream.i_fourcc = GetFourCCFromMediaType( dshow_stream.mt );
1161         if( dshow_stream.i_fourcc )
1162         {
1163             if( dshow_stream.mt.majortype == MEDIATYPE_Video )
1164             {
1165                 dshow_stream.header.video =
1166                     *(VIDEOINFOHEADER *)dshow_stream.mt.pbFormat;
1167                 msg_Dbg( p_this, "MEDIATYPE_Video" );
1168                 msg_Dbg( p_this, "selected video pin accepts format: %4.4s",
1169                          (char *)&dshow_stream.i_fourcc);
1170             }
1171             else if( dshow_stream.mt.majortype == MEDIATYPE_Audio )
1172             {
1173                 dshow_stream.header.audio =
1174                     *(WAVEFORMATEX *)dshow_stream.mt.pbFormat;
1175                 msg_Dbg( p_this, "MEDIATYPE_Audio" );
1176                 msg_Dbg( p_this, "selected audio pin accepts format: %4.4s",
1177                          (char *)&dshow_stream.i_fourcc);
1178             }
1179             else if( dshow_stream.mt.majortype == MEDIATYPE_Stream )
1180             {
1181                 msg_Dbg( p_this, "MEDIATYPE_Stream" );
1182                 msg_Dbg( p_this, "selected stream pin accepts format: %4.4s",
1183                          (char *)&dshow_stream.i_fourcc);
1184             }
1185             else
1186             {
1187                 msg_Dbg( p_this, "unknown stream majortype" );
1188                 goto fail;
1189             }
1190
1191             /* Add directshow elementary stream to our list */
1192             dshow_stream.p_device_filter = p_device_filter;
1193             dshow_stream.p_capture_filter = p_capture_filter;
1194
1195             p_sys->pp_streams = (dshow_stream_t **)xrealloc( p_sys->pp_streams,
1196                           sizeof(dshow_stream_t *) * (p_sys->i_streams + 1) );
1197             p_sys->pp_streams[p_sys->i_streams] = new dshow_stream_t;
1198             *p_sys->pp_streams[p_sys->i_streams++] = dshow_stream;
1199
1200             return VLC_SUCCESS;
1201         }
1202     }
1203
1204  fail:
1205     /* Remove filters from graph */
1206     msg_Dbg( p_this, "OpenDevice: Removing filters" ) ;
1207     p_sys->p_graph->RemoveFilter( p_device_filter );
1208     p_sys->p_graph->RemoveFilter( p_capture_filter );
1209
1210     /* Release objects */
1211     /* RemoveFilter does an undocumented Release()
1212      * but does not set item to NULL*/
1213
1214     p_device_filter = NULL;
1215     p_capture_filter = NULL;
1216
1217     return VLC_EGENERIC;
1218 }
1219
1220 /* FindCaptureDevices:: This Function had two purposes :
1221     Returns the list of capture devices when p_listdevices != NULL
1222     Creates an IBaseFilter when p_devicename corresponds to an existing devname
1223    These actions *may* be requested whith a single call.
1224 */
1225 static IBaseFilter *
1226 FindCaptureDevice( vlc_object_t *p_this, string *p_devicename,
1227                    list<string> *p_listdevices, bool b_audio )
1228 {
1229     IBaseFilter *p_base_filter = NULL;
1230     IMoniker *p_moniker = NULL;
1231     ULONG i_fetched;
1232     HRESULT hr;
1233     list<string> devicelist;
1234
1235     /* Create the system device enumerator */
1236     ICreateDevEnum *p_dev_enum = NULL;
1237
1238     hr = CoCreateInstance( CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
1239                            IID_ICreateDevEnum, (void **)&p_dev_enum );
1240     if( FAILED(hr) )
1241     {
1242         msg_Err( p_this, "failed to create the device enumerator (0x%lx)", hr);
1243         return NULL;
1244     }
1245
1246     /* Create an enumerator for the video capture devices */
1247     IEnumMoniker *p_class_enum = NULL;
1248     if( !b_audio )
1249         hr = p_dev_enum->CreateClassEnumerator( CLSID_VideoInputDeviceCategory,
1250                                                 &p_class_enum, 0 );
1251     else
1252         hr = p_dev_enum->CreateClassEnumerator( CLSID_AudioInputDeviceCategory,
1253                                                 &p_class_enum, 0 );
1254     p_dev_enum->Release();
1255     if( FAILED(hr) )
1256     {
1257         msg_Err( p_this, "failed to create the class enumerator (0x%lx)", hr );
1258         return NULL;
1259     }
1260
1261     /* If there are no enumerators for the requested type, then
1262      * CreateClassEnumerator will succeed, but p_class_enum will be NULL */
1263     if( p_class_enum == NULL )
1264     {
1265         msg_Err( p_this, "no %s capture device was detected", ( b_audio ? "audio" : "video" ) );
1266         return NULL;
1267     }
1268
1269     /* Enumerate the devices */
1270
1271     /* Note that if the Next() call succeeds but there are no monikers,
1272      * it will return S_FALSE (which is not a failure). Therefore, we check
1273      * that the return code is S_OK instead of using SUCCEEDED() macro. */
1274
1275     while( p_class_enum->Next( 1, &p_moniker, &i_fetched ) == S_OK )
1276     {
1277         /* Getting the property page to get the device name */
1278         IPropertyBag *p_bag;
1279         hr = p_moniker->BindToStorage( 0, 0, IID_IPropertyBag,
1280                                        (void **)&p_bag );
1281         if( SUCCEEDED(hr) )
1282         {
1283             VARIANT var;
1284             var.vt = VT_BSTR;
1285             hr = p_bag->Read( L"FriendlyName", &var, NULL );
1286             p_bag->Release();
1287             if( SUCCEEDED(hr) )
1288             {
1289                 char *p_buf = FromWide( var.bstrVal );
1290                 string devname = string(p_buf);
1291                 free( p_buf) ;
1292
1293                 int dup = 0;
1294                 /* find out if this name is already used by a previously found device */
1295                 list<string>::const_iterator iter = devicelist.begin();
1296                 list<string>::const_iterator end = devicelist.end();
1297                 string ordevname = devname ;
1298                 while ( iter != end )
1299                 {
1300                     if( 0 == (*iter).compare( devname ) )
1301                     { /* devname is on the list. Try another name with sequence
1302                          number apended and then rescan until a unique entry is found*/
1303                          char seq[16];
1304                          snprintf(seq, 16, " #%d", ++dup);
1305                          devname = ordevname + seq;
1306                          iter = devicelist.begin();
1307                     }
1308                     else
1309                          ++iter;
1310                 }
1311                 devicelist.push_back( devname );
1312
1313                 if( p_devicename && *p_devicename == devname )
1314                 {
1315                     msg_Dbg( p_this, "asked for %s, binding to %s", p_devicename->c_str() , devname.c_str() ) ;
1316                     /* NULL possibly means we don't need BindMoniker BindCtx ?? */
1317                     hr = p_moniker->BindToObject( NULL, 0, IID_IBaseFilter,
1318                                                   (void **)&p_base_filter );
1319                     if( FAILED(hr) )
1320                     {
1321                         msg_Err( p_this, "couldn't bind moniker to filter "
1322                                  "object (0x%lx)", hr );
1323                         p_moniker->Release();
1324                         p_class_enum->Release();
1325                         return NULL;
1326                     }
1327                     p_moniker->Release();
1328                     p_class_enum->Release();
1329                     return p_base_filter;
1330                 }
1331             }
1332         }
1333
1334         p_moniker->Release();
1335     }
1336
1337     p_class_enum->Release();
1338
1339     if( p_listdevices ) {
1340         devicelist.sort();
1341         *p_listdevices = devicelist;
1342     }
1343     return NULL;
1344 }
1345
1346 static size_t EnumDeviceCaps( vlc_object_t *p_this, IBaseFilter *p_filter,
1347                               int i_fourcc, int i_width, int i_height,
1348                               int i_channels, int i_samplespersec,
1349                               int i_bitspersample, AM_MEDIA_TYPE *mt,
1350                               size_t mt_max )
1351 {
1352     IEnumPins *p_enumpins;
1353     IPin *p_output_pin;
1354     IEnumMediaTypes *p_enummt;
1355     size_t mt_count = 0;
1356
1357     LONGLONG i_AvgTimePerFrame = 0;
1358     float r_fps = var_GetFloat( p_this, CFG_PREFIX "fps" );
1359     if( r_fps )
1360         i_AvgTimePerFrame = 10000000000LL/(LONGLONG)(r_fps*1000.0f);
1361
1362     if( FAILED(p_filter->EnumPins( &p_enumpins )) )
1363     {
1364         msg_Dbg( p_this, "EnumDeviceCaps failed: no pin enumeration !");
1365         return 0;
1366     }
1367
1368     while( S_OK == p_enumpins->Next( 1, &p_output_pin, NULL ) )
1369     {
1370         PIN_INFO info;
1371
1372         if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1373         {
1374             msg_Dbg( p_this, "EnumDeviceCaps: %s pin: %S",
1375                      info.dir == PINDIR_INPUT ? "input" : "output",
1376                      info.achName );
1377             if( info.pFilter ) info.pFilter->Release();
1378         }
1379
1380         p_output_pin->Release();
1381     }
1382
1383     p_enumpins->Reset();
1384
1385     while( !mt_count && p_enumpins->Next( 1, &p_output_pin, NULL ) == S_OK )
1386     {
1387         PIN_INFO info;
1388
1389         if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1390         {
1391             if( info.pFilter ) info.pFilter->Release();
1392             if( info.dir == PINDIR_INPUT )
1393             {
1394                 p_output_pin->Release();
1395                 continue;
1396             }
1397             msg_Dbg( p_this, "EnumDeviceCaps: trying pin %S", info.achName );
1398         }
1399
1400         AM_MEDIA_TYPE *p_mt;
1401
1402         /*
1403         ** Configure pin with a default compatible media if possible
1404         */
1405
1406         IAMStreamConfig *pSC;
1407         if( SUCCEEDED(p_output_pin->QueryInterface( IID_IAMStreamConfig,
1408                                             (void **)&pSC )) )
1409         {
1410             int piCount, piSize;
1411             if( SUCCEEDED(pSC->GetNumberOfCapabilities(&piCount, &piSize)) )
1412             {
1413                 BYTE *pSCC= (BYTE *)CoTaskMemAlloc(piSize);
1414                 if( NULL != pSCC )
1415                 {
1416                     int i_priority = -1;
1417                     for( int i=0; i<piCount; ++i )
1418                     {
1419                         if( SUCCEEDED(pSC->GetStreamCaps(i, &p_mt, pSCC)) )
1420                         {
1421                             int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1422                             int i_current_priority = GetFourCCPriority(i_current_fourcc);
1423
1424                             if( (i_fourcc && (i_current_fourcc != i_fourcc))
1425                              || (i_priority > i_current_priority) )
1426                             {
1427                                 // unwanted chroma, try next media type
1428                                 FreeMediaType( *p_mt );
1429                                 CoTaskMemFree( (PVOID)p_mt );
1430                                 continue;
1431                             }
1432
1433                             if( MEDIATYPE_Video == p_mt->majortype
1434                                     && FORMAT_VideoInfo == p_mt->formattype )
1435                             {
1436                                 VIDEO_STREAM_CONFIG_CAPS *pVSCC = reinterpret_cast<VIDEO_STREAM_CONFIG_CAPS*>(pSCC);
1437                                 VIDEOINFOHEADER *pVih = reinterpret_cast<VIDEOINFOHEADER*>(p_mt->pbFormat);
1438
1439                                 if( i_AvgTimePerFrame )
1440                                 {
1441                                     if( pVSCC->MinFrameInterval > i_AvgTimePerFrame
1442                                       || i_AvgTimePerFrame > pVSCC->MaxFrameInterval )
1443                                     {
1444                                         // required frame rate not compatible, try next media type
1445                                         FreeMediaType( *p_mt );
1446                                         CoTaskMemFree( (PVOID)p_mt );
1447                                         continue;
1448                                     }
1449                                     pVih->AvgTimePerFrame = i_AvgTimePerFrame;
1450                                 }
1451
1452                                 if( i_width )
1453                                 {
1454                                     if((   !pVSCC->OutputGranularityX
1455                                            && i_width != pVSCC->MinOutputSize.cx
1456                                            && i_width != pVSCC->MaxOutputSize.cx)
1457                                        ||
1458                                        (   pVSCC->OutputGranularityX
1459                                            && ((i_width % pVSCC->OutputGranularityX)
1460                                                || pVSCC->MinOutputSize.cx > i_width
1461                                                || i_width > pVSCC->MaxOutputSize.cx )))
1462                                     {
1463                                         // required width not compatible, try next media type
1464                                         FreeMediaType( *p_mt );
1465                                         CoTaskMemFree( (PVOID)p_mt );
1466                                         continue;
1467                                     }
1468                                     pVih->bmiHeader.biWidth = i_width;
1469                                 }
1470
1471                                 if( i_height )
1472                                 {
1473                                     if((   !pVSCC->OutputGranularityY
1474                                            && i_height != pVSCC->MinOutputSize.cy
1475                                            && i_height != pVSCC->MaxOutputSize.cy)
1476                                        ||
1477                                        (   pVSCC->OutputGranularityY
1478                                            && ((i_height % pVSCC->OutputGranularityY)
1479                                                || pVSCC->MinOutputSize.cy > i_height
1480                                                || i_height > pVSCC->MaxOutputSize.cy )))
1481                                     {
1482                                         // required height not compatible, try next media type
1483                                         FreeMediaType( *p_mt );
1484                                         CoTaskMemFree( (PVOID)p_mt );
1485                                         continue;
1486                                     }
1487                                     pVih->bmiHeader.biHeight = i_height;
1488                                 }
1489
1490                                 // Set the sample size and image size.
1491                                 // (Round the image width up to a DWORD boundary.)
1492                                 p_mt->lSampleSize = pVih->bmiHeader.biSizeImage =
1493                                     ((pVih->bmiHeader.biWidth + 3) & ~3) *
1494                                     pVih->bmiHeader.biHeight * (pVih->bmiHeader.biBitCount>>3);
1495
1496                                 // no cropping, use full video input buffer
1497                                 memset(&(pVih->rcSource), 0, sizeof(RECT));
1498                                 memset(&(pVih->rcTarget), 0, sizeof(RECT));
1499
1500                                 // select this format as default
1501                                 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1502                                 {
1503                                     i_priority = i_current_priority;
1504                                     if( i_fourcc )
1505                                         // no need to check any more media types
1506                                         i = piCount;
1507                                 }
1508                             }
1509                             else if( p_mt->majortype == MEDIATYPE_Audio
1510                                     && p_mt->formattype == FORMAT_WaveFormatEx )
1511                             {
1512                                 AUDIO_STREAM_CONFIG_CAPS *pASCC = reinterpret_cast<AUDIO_STREAM_CONFIG_CAPS*>(pSCC);
1513                                 WAVEFORMATEX *pWfx = reinterpret_cast<WAVEFORMATEX*>(p_mt->pbFormat);
1514
1515                                 if( i_current_fourcc && (WAVE_FORMAT_PCM == pWfx->wFormatTag) )
1516                                 {
1517                                     int val = i_channels;
1518                                     if( ! val )
1519                                         val = 2;
1520
1521                                     if( (   !pASCC->ChannelsGranularity
1522                                             && (unsigned int)val != pASCC->MinimumChannels
1523                                             && (unsigned int)val != pASCC->MaximumChannels)
1524                                         ||
1525                                         (   pASCC->ChannelsGranularity
1526                                             && ((val % pASCC->ChannelsGranularity)
1527                                                 || (unsigned int)val < pASCC->MinimumChannels
1528                                                 || (unsigned int)val > pASCC->MaximumChannels)))
1529                                     {
1530                                         // required number channels not available, try next media type
1531                                         FreeMediaType( *p_mt );
1532                                         CoTaskMemFree( (PVOID)p_mt );
1533                                         continue;
1534                                     }
1535                                     pWfx->nChannels = val;
1536
1537                                     val = i_samplespersec;
1538                                     if( ! val )
1539                                         val = 44100;
1540
1541                                     if( (   !pASCC->SampleFrequencyGranularity
1542                                             && (unsigned int)val != pASCC->MinimumSampleFrequency
1543                                             && (unsigned int)val != pASCC->MaximumSampleFrequency)
1544                                         ||
1545                                         (   pASCC->SampleFrequencyGranularity
1546                                             && ((val % pASCC->SampleFrequencyGranularity)
1547                                                 || (unsigned int)val < pASCC->MinimumSampleFrequency
1548                                                 || (unsigned int)val > pASCC->MaximumSampleFrequency )))
1549                                     {
1550                                         // required sampling rate not available, try next media type
1551                                         FreeMediaType( *p_mt );
1552                                         CoTaskMemFree( (PVOID)p_mt );
1553                                         continue;
1554                                     }
1555                                     pWfx->nSamplesPerSec = val;
1556
1557                                     val = i_bitspersample;
1558                                     if( ! val )
1559                                     {
1560                                         if( VLC_CODEC_FL32 == i_current_fourcc )
1561                                             val = 32;
1562                                         else
1563                                             val = 16;
1564                                     }
1565
1566                                     if( (   !pASCC->BitsPerSampleGranularity
1567                                             && (unsigned int)val != pASCC->MinimumBitsPerSample
1568                                             && (unsigned int)val != pASCC->MaximumBitsPerSample )
1569                                         ||
1570                                         (   pASCC->BitsPerSampleGranularity
1571                                             && ((val % pASCC->BitsPerSampleGranularity)
1572                                                 || (unsigned int)val < pASCC->MinimumBitsPerSample
1573                                                 || (unsigned int)val > pASCC->MaximumBitsPerSample )))
1574                                     {
1575                                         // required sample size not available, try next media type
1576                                         FreeMediaType( *p_mt );
1577                                         CoTaskMemFree( (PVOID)p_mt );
1578                                         continue;
1579                                     }
1580
1581                                     pWfx->wBitsPerSample = val;
1582                                     pWfx->nBlockAlign = (pWfx->wBitsPerSample * pWfx->nChannels)/8;
1583                                     pWfx->nAvgBytesPerSec = pWfx->nSamplesPerSec * pWfx->nBlockAlign;
1584
1585                                     // select this format as default
1586                                     if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1587                                     {
1588                                         i_priority = i_current_priority;
1589                                     }
1590                                 }
1591                             }
1592                             FreeMediaType( *p_mt );
1593                             CoTaskMemFree( (PVOID)p_mt );
1594                         }
1595                     }
1596                     CoTaskMemFree( (LPVOID)pSCC );
1597                     if( i_priority >= 0 )
1598                         msg_Dbg( p_this, "EnumDeviceCaps: input pin default format configured");
1599                 }
1600             }
1601             pSC->Release();
1602         }
1603
1604         /*
1605         ** Probe pin for available medias (may be a previously configured one)
1606         */
1607
1608         if( FAILED( p_output_pin->EnumMediaTypes( &p_enummt ) ) )
1609         {
1610             p_output_pin->Release();
1611             continue;
1612         }
1613
1614         while( p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1615         {
1616             int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1617             if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Video
1618                 && p_mt->formattype == FORMAT_VideoInfo )
1619             {
1620                 int i_current_width = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1621                 int i_current_height = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1622                 LONGLONG i_current_atpf = ((VIDEOINFOHEADER *)p_mt->pbFormat)->AvgTimePerFrame;
1623
1624                 if( i_current_height < 0 )
1625                     i_current_height = -i_current_height;
1626
1627                 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1628                          "accepts chroma: %4.4s, width:%i, height:%i, fps:%f",
1629                          (char *)&i_current_fourcc, i_current_width,
1630                          i_current_height, (10000000.0f/((float)i_current_atpf)) );
1631
1632                 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1633                     ( !i_width || i_width == i_current_width ) &&
1634                     ( !i_height || i_height == i_current_height ) &&
1635                     ( !i_AvgTimePerFrame || i_AvgTimePerFrame == i_current_atpf ) &&
1636                     mt_count < mt_max )
1637                 {
1638                     /* Pick match */
1639                     mt[mt_count++] = *p_mt;
1640                 }
1641                 else FreeMediaType( *p_mt );
1642             }
1643             else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Audio
1644                     && p_mt->formattype == FORMAT_WaveFormatEx)
1645             {
1646                 int i_current_channels =
1647                     ((WAVEFORMATEX *)p_mt->pbFormat)->nChannels;
1648                 int i_current_samplespersec =
1649                     ((WAVEFORMATEX *)p_mt->pbFormat)->nSamplesPerSec;
1650                 int i_current_bitspersample =
1651                     ((WAVEFORMATEX *)p_mt->pbFormat)->wBitsPerSample;
1652
1653                 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1654                          "accepts format: %4.4s, channels:%i, "
1655                          "samples/sec:%i bits/sample:%i",
1656                          (char *)&i_current_fourcc, i_current_channels,
1657                          i_current_samplespersec, i_current_bitspersample);
1658
1659                 if( (!i_channels || i_channels == i_current_channels) &&
1660                     (!i_samplespersec ||
1661                      i_samplespersec == i_current_samplespersec) &&
1662                     (!i_bitspersample ||
1663                      i_bitspersample == i_current_bitspersample) &&
1664                     mt_count < mt_max )
1665                 {
1666                     /* Pick  match */
1667                     mt[mt_count++] = *p_mt;
1668
1669                     /* Setup a few properties like the audio latency */
1670                     IAMBufferNegotiation *p_ambuf;
1671                     if( SUCCEEDED( p_output_pin->QueryInterface(
1672                           IID_IAMBufferNegotiation, (void **)&p_ambuf ) ) )
1673                     {
1674                         ALLOCATOR_PROPERTIES AllocProp;
1675                         AllocProp.cbAlign = -1;
1676
1677                         /* 100 ms of latency */
1678                         AllocProp.cbBuffer = i_current_channels *
1679                           i_current_samplespersec *
1680                           i_current_bitspersample / 8 / 10;
1681
1682                         AllocProp.cbPrefix = -1;
1683                         AllocProp.cBuffers = -1;
1684                         p_ambuf->SuggestAllocatorProperties( &AllocProp );
1685                         p_ambuf->Release();
1686                     }
1687                 }
1688                 else FreeMediaType( *p_mt );
1689             }
1690             else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Stream )
1691             {
1692                 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1693                          "accepts stream format: %4.4s",
1694                          (char *)&i_current_fourcc );
1695
1696                 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1697                     mt_count < mt_max )
1698                 {
1699                     /* Pick match */
1700                     mt[mt_count++] = *p_mt;
1701                     i_fourcc = i_current_fourcc;
1702                 }
1703                 else FreeMediaType( *p_mt );
1704             }
1705             else
1706             {
1707                 const char * psz_type = "unknown";
1708                 if( p_mt->majortype == MEDIATYPE_Video ) psz_type = "video";
1709                 if( p_mt->majortype == MEDIATYPE_Audio ) psz_type = "audio";
1710                 if( p_mt->majortype == MEDIATYPE_Stream ) psz_type = "stream";
1711                 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: unsupported format "
1712                          "(%s %4.4s)", psz_type, (char *)&p_mt->subtype );
1713
1714                 FreeMediaType( *p_mt );
1715             }
1716             CoTaskMemFree( (PVOID)p_mt );
1717         }
1718
1719         if( !mt_count && p_enummt->Reset() == S_OK )
1720         {
1721             // VLC did not find any supported MEDIATYPE for this output pin.
1722             // However the graph builder might insert converter filters in
1723             // the graph if we use a different codec in VLC filter input pin.
1724             // however, in order to avoid nasty surprises, make use of this
1725             // facility only for known unsupported codecs.
1726
1727             while( !mt_count && p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1728             {
1729                 // the first four bytes of subtype GUID contains the codec FOURCC
1730                 const char *pfcc = (char *)&p_mt->subtype;
1731                 int i_current_fourcc = VLC_FOURCC(pfcc[0], pfcc[1], pfcc[2], pfcc[3]);
1732                 if( VLC_FOURCC('H','C','W','2') == i_current_fourcc
1733                  && p_mt->majortype == MEDIATYPE_Video )
1734                 {
1735                     // output format for 'Hauppauge WinTV PVR PCI II Capture'
1736                     // try I420 as an input format
1737                     i_current_fourcc = VLC_CODEC_I420;
1738                     if( !i_fourcc || i_fourcc == i_current_fourcc )
1739                     {
1740                         // return alternative media type
1741                         AM_MEDIA_TYPE mtr;
1742                         VIDEOINFOHEADER vh;
1743
1744                         mtr.majortype            = MEDIATYPE_Video;
1745                         mtr.subtype              = MEDIASUBTYPE_I420;
1746                         mtr.bFixedSizeSamples    = TRUE;
1747                         mtr.bTemporalCompression = FALSE;
1748                         mtr.pUnk                 = NULL;
1749                         mtr.formattype           = FORMAT_VideoInfo;
1750                         mtr.cbFormat             = sizeof(vh);
1751                         mtr.pbFormat             = (BYTE *)&vh;
1752
1753                         memset(&vh, 0, sizeof(vh));
1754
1755                         vh.bmiHeader.biSize   = sizeof(vh.bmiHeader);
1756                         vh.bmiHeader.biWidth  = i_width > 0 ? i_width :
1757                             ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1758                         vh.bmiHeader.biHeight = i_height > 0 ? i_height :
1759                             ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1760                         vh.bmiHeader.biPlanes      = 3;
1761                         vh.bmiHeader.biBitCount    = 12;
1762                         vh.bmiHeader.biCompression = VLC_CODEC_I420;
1763                         vh.bmiHeader.biSizeImage   = vh.bmiHeader.biWidth * 12 *
1764                             vh.bmiHeader.biHeight / 8;
1765                         mtr.lSampleSize            = vh.bmiHeader.biSizeImage;
1766
1767                         msg_Dbg( p_this, "EnumDeviceCaps: input pin media: using 'I420' in place of unsupported format 'HCW2'");
1768
1769                         if( SUCCEEDED(CopyMediaType(mt+mt_count, &mtr)) )
1770                             ++mt_count;
1771                     }
1772                 }
1773                 FreeMediaType( *p_mt );
1774             }
1775         }
1776
1777         p_enummt->Release();
1778         p_output_pin->Release();
1779     }
1780
1781     p_enumpins->Release();
1782     return mt_count;
1783 }
1784
1785 /*****************************************************************************
1786  * ReadCompressed: reads compressed (MPEG/DV) data from the device.
1787  *****************************************************************************
1788  * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
1789  * bytes.
1790  *****************************************************************************/
1791 static block_t *ReadCompressed( access_t *p_access )
1792 {
1793     access_sys_t   *p_sys = p_access->p_sys;
1794     dshow_stream_t *p_stream = NULL;
1795     VLCMediaSample sample;
1796
1797     /* Read 1 DV/MPEG frame (they contain the video and audio data) */
1798
1799     /* There must be only 1 elementary stream to produce a valid stream
1800      * of MPEG or DV data */
1801     p_stream = p_sys->pp_streams[0];
1802
1803     while( 1 )
1804     {
1805         if( !vlc_object_alive (p_access) ) return NULL;
1806
1807         /* Get new sample/frame from the elementary stream (blocking). */
1808         vlc_mutex_lock( &p_sys->lock );
1809
1810         if( p_stream->p_capture_filter->CustomGetPin()
1811               ->CustomGetSample( &sample ) != S_OK )
1812         {
1813             /* No data available. Wait until some data has arrived */
1814             vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1815             vlc_mutex_unlock( &p_sys->lock );
1816             continue;
1817         }
1818
1819         vlc_mutex_unlock( &p_sys->lock );
1820
1821         /*
1822          * We got our sample
1823          */
1824         block_t *p_block;
1825         uint8_t *p_data;
1826         int i_data_size = sample.p_sample->GetActualDataLength();
1827
1828         if( !i_data_size || !(p_block = block_New( p_access, i_data_size )) )
1829         {
1830             sample.p_sample->Release();
1831             continue;
1832         }
1833
1834         sample.p_sample->GetPointer( &p_data );
1835         vlc_memcpy( p_block->p_buffer, p_data, i_data_size );
1836         sample.p_sample->Release();
1837
1838         /* The caller got what he wanted */
1839         return p_block;
1840     }
1841
1842     return NULL; /* never reached */
1843 }
1844
1845 /****************************************************************************
1846  * Demux:
1847  ****************************************************************************/
1848 static int Demux( demux_t *p_demux )
1849 {
1850     access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
1851     int i_found_samples;
1852
1853     i_found_samples = 0;
1854     vlc_mutex_lock( &p_sys->lock );
1855
1856     while ( !i_found_samples )
1857     {
1858         /* Try to grab samples from all streams */
1859         for( int i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1860         {
1861             dshow_stream_t *p_stream = p_sys->pp_streams[i_stream];
1862             if( p_stream->p_capture_filter &&
1863                 p_stream->p_capture_filter->CustomGetPin()
1864                 ->CustomGetSamples( p_stream->samples_queue ) == S_OK )
1865             {
1866                 i_found_samples = 1;
1867             }
1868         }
1869
1870         if ( !i_found_samples)
1871         {
1872             /* Didn't find any audio nor video sample, just wait till the
1873              * dshow thread pushes some samples */
1874             vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1875             /* Some DShow thread pushed data, or the OS broke the wait all
1876              * by itself. In all cases, it's *strongly* advised to test the
1877              * condition again, so let the loop do the test again */
1878         }
1879     }
1880
1881     vlc_mutex_unlock( &p_sys->lock );
1882
1883     for ( int i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1884     {
1885         int i_samples;
1886         dshow_stream_t *p_stream = p_sys->pp_streams[i_stream];
1887
1888         i_samples = p_stream->samples_queue.size();
1889         while ( i_samples > 0 )
1890         {
1891             int i_data_size;
1892             uint8_t *p_data;
1893             block_t *p_block;
1894             VLCMediaSample sample;
1895
1896             sample = p_stream->samples_queue.front();
1897             p_stream->samples_queue.pop_front();
1898
1899             i_data_size = sample.p_sample->GetActualDataLength();
1900             sample.p_sample->GetPointer( &p_data );
1901
1902             REFERENCE_TIME i_pts, i_end_date;
1903             HRESULT hr = sample.p_sample->GetTime( &i_pts, &i_end_date );
1904             if( hr != VFW_S_NO_STOP_TIME && hr != S_OK ) i_pts = 0;
1905
1906             if( !i_pts )
1907             {
1908                 if( p_stream->mt.majortype == MEDIATYPE_Video || !p_stream->b_pts )
1909                 {
1910                     /* Use our data timestamp */
1911                     i_pts = sample.i_timestamp;
1912                     p_stream->b_pts = true;
1913                 }
1914             }
1915
1916             i_pts /= 10; /* Dshow works with 100 nano-seconds resolution */
1917
1918 #if 0
1919             msg_Dbg( p_demux, "Read() stream: %i, size: %i, PTS: %"PRId64,
1920                      i_stream, i_data_size, i_pts );
1921 #endif
1922
1923             p_block = block_New( p_demux, i_data_size );
1924             vlc_memcpy( p_block->p_buffer, p_data, i_data_size );
1925             p_block->i_pts = p_block->i_dts = i_pts;
1926             sample.p_sample->Release();
1927
1928             es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_pts > 0 ? i_pts : 0 );
1929             es_out_Send( p_demux->out, p_stream->p_es, p_block );
1930
1931             i_samples--;
1932         }
1933     }
1934
1935     return 1;
1936 }
1937
1938 /*****************************************************************************
1939  * AccessControl:
1940  *****************************************************************************/
1941 static int AccessControl( access_t *p_access, int i_query, va_list args )
1942 {
1943     bool    *pb_bool;
1944     int64_t *pi_64;
1945
1946     switch( i_query )
1947     {
1948     /* */
1949     case ACCESS_CAN_SEEK:
1950     case ACCESS_CAN_FASTSEEK:
1951     case ACCESS_CAN_PAUSE:
1952     case ACCESS_CAN_CONTROL_PACE:
1953         pb_bool = (bool*)va_arg( args, bool* );
1954         *pb_bool = false;
1955         break;
1956
1957     /* */
1958     case ACCESS_GET_PTS_DELAY:
1959         pi_64 = (int64_t*)va_arg( args, int64_t * );
1960         *pi_64 =
1961             INT64_C(1000) * var_InheritInteger( p_access, "live-caching" );
1962         break;
1963
1964     /* */
1965     case ACCESS_SET_PAUSE_STATE:
1966     case ACCESS_GET_TITLE_INFO:
1967     case ACCESS_SET_TITLE:
1968     case ACCESS_SET_SEEKPOINT:
1969     case ACCESS_SET_PRIVATE_ID_STATE:
1970         return VLC_EGENERIC;
1971
1972     default:
1973         msg_Warn( p_access, "unimplemented query in control" );
1974         return VLC_EGENERIC;
1975     }
1976
1977     return VLC_SUCCESS;
1978 }
1979
1980 /****************************************************************************
1981  * DemuxControl:
1982  ****************************************************************************/
1983 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
1984 {
1985     bool    *pb;
1986     int64_t *pi64;
1987
1988     switch( i_query )
1989     {
1990     /* Special for access_demux */
1991     case DEMUX_CAN_PAUSE:
1992     case DEMUX_CAN_SEEK:
1993     case DEMUX_SET_PAUSE_STATE:
1994     case DEMUX_CAN_CONTROL_PACE:
1995         pb = (bool*)va_arg( args, bool * );
1996         *pb = false;
1997         return VLC_SUCCESS;
1998
1999     case DEMUX_GET_PTS_DELAY:
2000         pi64 = (int64_t*)va_arg( args, int64_t * );
2001         *pi64 =
2002             INT64_C(1000) * var_InheritInteger( p_demux, "live-caching" );
2003         return VLC_SUCCESS;
2004
2005     case DEMUX_GET_TIME:
2006         pi64 = (int64_t*)va_arg( args, int64_t * );
2007         *pi64 = mdate();
2008         return VLC_SUCCESS;
2009
2010     /* TODO implement others */
2011     default:
2012         return VLC_EGENERIC;
2013     }
2014
2015     return VLC_EGENERIC;
2016 }
2017
2018 /*****************************************************************************
2019  * config variable callback
2020  *****************************************************************************/
2021 static int FindDevicesCallback( vlc_object_t *p_this, char const *psz_name,
2022                                vlc_value_t, vlc_value_t, void * )
2023 {
2024     module_config_t *p_item;
2025     bool b_audio = false;
2026     int i;
2027
2028     p_item = config_FindConfig( p_this, psz_name );
2029     if( !p_item ) return VLC_SUCCESS;
2030
2031     if( !strcmp( psz_name, CFG_PREFIX "adev" ) ) b_audio = true;
2032
2033     /* Clear-up the current list */
2034     if( p_item->i_list )
2035     {
2036         /* Keep the 2 first entries */
2037         for( i = 2; i < p_item->i_list; i++ )
2038         {
2039             free( p_item->ppsz_list[i] );
2040             free( p_item->ppsz_list_text[i] );
2041         }
2042         /* TODO: Remove when no more needed */
2043         p_item->ppsz_list[i] = NULL;
2044         p_item->ppsz_list_text[i] = NULL;
2045     }
2046     p_item->i_list = 2;
2047
2048     /* Find list of devices */
2049     list<string> list_devices;
2050
2051     /* Initialize OLE/COM */
2052     CoInitialize( 0 );
2053
2054     FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
2055
2056     /* Uninitialize OLE/COM */
2057     CoUninitialize();
2058
2059     if( list_devices.empty() ) return VLC_SUCCESS;
2060
2061     p_item->ppsz_list = (char**)xrealloc( p_item->ppsz_list,
2062                           (list_devices.size()+3) * sizeof(char *) );
2063     p_item->ppsz_list_text = (char**)xrealloc( p_item->ppsz_list_text,
2064                           (list_devices.size()+3) * sizeof(char *) );
2065
2066     list<string>::iterator iter;
2067     for( iter = list_devices.begin(), i = 2; iter != list_devices.end();
2068          ++iter, i++ )
2069     {
2070         p_item->ppsz_list[i] = strdup( iter->c_str() );
2071         p_item->ppsz_list_text[i] = NULL;
2072         p_item->i_list++;
2073     }
2074     p_item->ppsz_list[i] = NULL;
2075     p_item->ppsz_list_text[i] = NULL;
2076
2077     return VLC_SUCCESS;
2078 }
2079
2080 static int ConfigDevicesCallback( vlc_object_t *p_this, char const *psz_name,
2081                                   vlc_value_t newval, vlc_value_t, void * )
2082 {
2083     module_config_t *p_item;
2084     bool b_audio = false;
2085     char *psz_device = NULL;
2086     int i_ret = VLC_SUCCESS;
2087
2088     if( !EMPTY_STR( newval.psz_string ) )
2089         psz_device = strdup( newval.psz_string );
2090
2091     /* Initialize OLE/COM */
2092     CoInitialize( 0 );
2093
2094     p_item = config_FindConfig( p_this, psz_name );
2095
2096     if( !p_item )
2097     {
2098         free( psz_device );
2099         CoUninitialize();
2100         return VLC_SUCCESS;
2101     }
2102
2103     if( !strcmp( psz_name, CFG_PREFIX "adev" ) ) b_audio = true;
2104
2105     string devicename;
2106
2107     if( psz_device )
2108     {
2109         devicename = psz_device ;
2110     }
2111     else
2112     {
2113         /* If no device name was specified, pick the 1st one */
2114         list<string> list_devices;
2115
2116         /* Enumerate devices */
2117         FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
2118         if( list_devices.empty() )
2119         {
2120             CoUninitialize();
2121             return VLC_EGENERIC;
2122         }
2123         devicename = *list_devices.begin();
2124     }
2125
2126     IBaseFilter *p_device_filter =
2127         FindCaptureDevice( p_this, &devicename, NULL, b_audio );
2128     if( p_device_filter )
2129     {
2130         ShowPropertyPage( p_device_filter );
2131         p_device_filter->Release();
2132     }
2133     else
2134     {
2135         msg_Err( p_this, "didn't find device: %s", devicename.c_str() );
2136         i_ret = VLC_EGENERIC;
2137     }
2138
2139     /* Uninitialize OLE/COM */
2140     CoUninitialize();
2141
2142     free( psz_device );
2143     return i_ret;
2144 }
2145
2146 /*****************************************************************************
2147  * Properties
2148  *****************************************************************************/
2149
2150 static void ShowPropertyPage( IUnknown *obj )
2151 {
2152     ISpecifyPropertyPages *p_spec;
2153     CAUUID cauuid;
2154
2155     HRESULT hr = obj->QueryInterface( IID_ISpecifyPropertyPages,
2156                                       (void **)&p_spec );
2157     if( FAILED(hr) ) return;
2158
2159     if( SUCCEEDED(p_spec->GetPages( &cauuid )) )
2160     {
2161         if( cauuid.cElems > 0 )
2162         {
2163             HWND hwnd_desktop = ::GetDesktopWindow();
2164
2165             OleCreatePropertyFrame( hwnd_desktop, 30, 30, NULL, 1, &obj,
2166                                     cauuid.cElems, cauuid.pElems, 0, 0, NULL );
2167
2168             CoTaskMemFree( cauuid.pElems );
2169         }
2170         p_spec->Release();
2171     }
2172 }
2173
2174 static void ShowDeviceProperties( vlc_object_t *p_this,
2175                                   ICaptureGraphBuilder2 *p_graph,
2176                                   IBaseFilter *p_device_filter,
2177                                   bool b_audio )
2178 {
2179     HRESULT hr;
2180     msg_Dbg( p_this, "configuring Device Properties" );
2181
2182     /*
2183      * Video or audio capture filter page
2184      */
2185     ShowPropertyPage( p_device_filter );
2186
2187     /*
2188      * Audio capture pin
2189      */
2190     if( p_graph && b_audio )
2191     {
2192         IAMStreamConfig *p_SC;
2193
2194         msg_Dbg( p_this, "showing WDM Audio Configuration Pages" );
2195
2196         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2197                                      &MEDIATYPE_Audio, p_device_filter,
2198                                      IID_IAMStreamConfig, (void **)&p_SC );
2199         if( SUCCEEDED(hr) )
2200         {
2201             ShowPropertyPage(p_SC);
2202             p_SC->Release();
2203         }
2204
2205         /*
2206          * TV Audio filter
2207          */
2208         IAMTVAudio *p_TVA;
2209         HRESULT hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2210                                              &MEDIATYPE_Audio, p_device_filter,
2211                                              IID_IAMTVAudio, (void **)&p_TVA );
2212         if( SUCCEEDED(hr) )
2213         {
2214             ShowPropertyPage(p_TVA);
2215             p_TVA->Release();
2216         }
2217     }
2218
2219     /*
2220      * Video capture pin
2221      */
2222     if( p_graph && !b_audio )
2223     {
2224         IAMStreamConfig *p_SC;
2225
2226         msg_Dbg( p_this, "showing WDM Video Configuration Pages" );
2227
2228         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2229                                      &MEDIATYPE_Interleaved, p_device_filter,
2230                                      IID_IAMStreamConfig, (void **)&p_SC );
2231         if( FAILED(hr) )
2232         {
2233             hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2234                                          &MEDIATYPE_Video, p_device_filter,
2235                                          IID_IAMStreamConfig, (void **)&p_SC );
2236         }
2237
2238         if( FAILED(hr) )
2239         {
2240             hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2241                                          &MEDIATYPE_Stream, p_device_filter,
2242                                          IID_IAMStreamConfig, (void **)&p_SC );
2243         }
2244
2245         if( SUCCEEDED(hr) )
2246         {
2247             ShowPropertyPage(p_SC);
2248             p_SC->Release();
2249         }
2250     }
2251 }
2252
2253 static void ShowTunerProperties( vlc_object_t *p_this,
2254                                  ICaptureGraphBuilder2 *p_graph,
2255                                  IBaseFilter *p_device_filter,
2256                                  bool b_audio )
2257 {
2258     HRESULT hr;
2259     msg_Dbg( p_this, "configuring Tuner Properties" );
2260
2261     if( !p_graph || b_audio ) return;
2262
2263     IAMTVTuner *p_TV;
2264     hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2265                                  &MEDIATYPE_Interleaved, p_device_filter,
2266                                  IID_IAMTVTuner, (void **)&p_TV );
2267     if( FAILED(hr) )
2268     {
2269         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2270                                      &MEDIATYPE_Video, p_device_filter,
2271                                      IID_IAMTVTuner, (void **)&p_TV );
2272     }
2273
2274     if( FAILED(hr) )
2275     {
2276         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2277                                      &MEDIATYPE_Stream, p_device_filter,
2278                                      IID_IAMTVTuner, (void **)&p_TV );
2279     }
2280
2281     if( SUCCEEDED(hr) )
2282     {
2283         ShowPropertyPage(p_TV);
2284         p_TV->Release();
2285     }
2286 }
2287
2288 static void ConfigTuner( vlc_object_t *p_this, ICaptureGraphBuilder2 *p_graph,
2289                          IBaseFilter *p_device_filter )
2290 {
2291     int i_channel, i_country, i_input, i_amtuner_mode, i_standard;
2292     long l_modes = 0;
2293     unsigned i_frequency;
2294     IAMTVTuner *p_TV;
2295     HRESULT hr;
2296
2297     if( !p_graph ) return;
2298
2299     i_channel =      var_GetInteger( p_this, CFG_PREFIX "tuner-channel" );
2300     i_country =      var_GetInteger( p_this, CFG_PREFIX "tuner-country" );
2301     i_input =        var_GetInteger( p_this, CFG_PREFIX "tuner-input" );
2302     i_amtuner_mode = var_GetInteger( p_this, CFG_PREFIX "amtuner-mode" );
2303     i_frequency =    var_GetInteger( p_this, CFG_PREFIX "tuner-frequency" );
2304     i_standard =     var_GetInteger( p_this, CFG_PREFIX "tuner-standard" );
2305
2306     if( !i_channel && !i_frequency && !i_country && !i_input ) return; /* Nothing to do */
2307
2308     msg_Dbg( p_this, "tuner config: channel %i, frequency %i, country %i, input type %i, standard %s",
2309              i_channel, i_frequency, i_country, i_input, ppsz_standards_list_text[i_standard] );
2310
2311
2312     hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Interleaved,
2313                                  p_device_filter, IID_IAMTVTuner,
2314                                  (void **)&p_TV );
2315     if( FAILED(hr) )
2316     {
2317         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video,
2318                                      p_device_filter, IID_IAMTVTuner,
2319                                      (void **)&p_TV );
2320     }
2321
2322     if( FAILED(hr) )
2323     {
2324         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Stream,
2325                                      p_device_filter, IID_IAMTVTuner,
2326                                      (void **)&p_TV );
2327     }
2328
2329     if( FAILED(hr) )
2330     {
2331         msg_Dbg( p_this, "couldn't find tuner interface" );
2332         return;
2333     }
2334
2335     hr = p_TV->GetAvailableModes( &l_modes );
2336     if( SUCCEEDED(hr) && (l_modes & i_amtuner_mode) )
2337     {
2338         hr = p_TV->put_Mode( (AMTunerModeType)i_amtuner_mode );
2339     }
2340
2341     if( i_input == 1 ) p_TV->put_InputType( 0, TunerInputCable );
2342     else if( i_input == 2 ) p_TV->put_InputType( 0, TunerInputAntenna );
2343
2344     p_TV->put_CountryCode( i_country );
2345
2346     if( i_frequency <= 0 ) p_TV->put_Channel( i_channel, AMTUNER_SUBCHAN_NO_TUNE,
2347                        AMTUNER_SUBCHAN_NO_TUNE );
2348
2349     if( i_frequency > 0 || i_standard > 0) {
2350         IKsPropertySet *pKs = NULL;
2351         DWORD dw_supported = 0;
2352         KSPROPERTY_TUNER_MODE_CAPS_S ModeCaps;
2353         KSPROPERTY_TUNER_FREQUENCY_S Frequency;
2354         KSPROPERTY_TUNER_STANDARD_S Standard;
2355
2356         hr = p_TV->QueryInterface(IID_IKsPropertySet,(void **)&pKs);
2357         if (FAILED(hr))
2358         {
2359             msg_Dbg( p_this, "Couldn't QI for IKsPropertySet" );
2360             p_TV->Release();
2361             return;
2362         }
2363
2364         memset(&ModeCaps,0,sizeof(KSPROPERTY_TUNER_MODE_CAPS_S));
2365         memset(&Frequency,0,sizeof(KSPROPERTY_TUNER_FREQUENCY_S));
2366         memset(&Standard,0,sizeof(KSPROPERTY_TUNER_STANDARD_S));
2367         ModeCaps.Mode = AMTUNER_MODE_TV;
2368
2369         hr = pKs->QuerySupported(PROPSETID_TUNER,
2370                 KSPROPERTY_TUNER_MODE_CAPS,&dw_supported);
2371         if(SUCCEEDED(hr) && dw_supported&KSPROPERTY_SUPPORT_GET)
2372         {
2373             DWORD cbBytes=0;
2374             hr = pKs->Get(PROPSETID_TUNER,KSPROPERTY_TUNER_MODE_CAPS,
2375                 INSTANCEDATA_OF_PROPERTY_PTR(&ModeCaps),
2376                 INSTANCEDATA_OF_PROPERTY_SIZE(ModeCaps),
2377                 &ModeCaps,
2378                 sizeof(ModeCaps),
2379                 &cbBytes);
2380         }
2381         else
2382         {
2383             msg_Dbg( p_this, "KSPROPERTY_TUNER_MODE_CAPS not supported!" );
2384             goto free_on_error;
2385         }
2386
2387         msg_Dbg( p_this, "Frequency range supported from %ld to %ld.",
2388                  ModeCaps.MinFrequency, ModeCaps.MaxFrequency);
2389         msg_Dbg( p_this, "Video standards supported by the tuner: ");
2390         for(size_t i = 0 ; i < ARRAY_SIZE(ppsz_standards_list_text); i++) {
2391             if(ModeCaps.StandardsSupported & i_standards_list[i])
2392                 msg_Dbg( p_this, "%s, ", ppsz_standards_list_text[i]);
2393         }
2394
2395         if(i_frequency > 0) {
2396             Frequency.Frequency=i_frequency;
2397             if(ModeCaps.Strategy==KS_TUNER_STRATEGY_DRIVER_TUNES)
2398                 Frequency.TuningFlags=KS_TUNER_TUNING_FINE;
2399             else
2400                 Frequency.TuningFlags=KS_TUNER_TUNING_EXACT;
2401
2402             if(i_frequency>=ModeCaps.MinFrequency && i_frequency<=ModeCaps.MaxFrequency)
2403             {
2404
2405                 hr = pKs->Set(PROPSETID_TUNER,
2406                     KSPROPERTY_TUNER_FREQUENCY,
2407                     INSTANCEDATA_OF_PROPERTY_PTR(&Frequency),
2408                     INSTANCEDATA_OF_PROPERTY_SIZE(Frequency),
2409                     &Frequency,
2410                     sizeof(Frequency));
2411                 if(FAILED(hr))
2412                 {
2413                     msg_Dbg( p_this, "Couldn't set KSPROPERTY_TUNER_FREQUENCY!" );
2414                     goto free_on_error;
2415                 }
2416             }
2417             else
2418             {
2419                 msg_Dbg( p_this, "Requested frequency exceeds the supported range!" );
2420                 goto free_on_error;
2421             }
2422         }
2423
2424         if(i_standard > 0) {
2425             if(i_standard & ModeCaps.StandardsSupported )
2426             {
2427                 Standard.Standard = i_standard;
2428                 hr = pKs->Set(PROPSETID_TUNER,
2429                     KSPROPERTY_TUNER_STANDARD,
2430                     INSTANCEDATA_OF_PROPERTY_PTR(&Standard),
2431                     INSTANCEDATA_OF_PROPERTY_SIZE(Standard),
2432                     &Standard,
2433                     sizeof(Standard));
2434                 if(FAILED(hr))
2435                 {
2436                     msg_Dbg( p_this, "Couldn't set KSPROPERTY_TUNER_STANDARD!" );
2437                     goto free_on_error;
2438                 }
2439             }
2440             else
2441             {
2442                 msg_Dbg( p_this, "Requested video standard is not supported by the tuner!" );
2443                 goto free_on_error;
2444             }
2445         }
2446 free_on_error:
2447         pKs->Release();
2448     }
2449
2450     p_TV->Release();
2451 }