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

   1 /*****************************************************************************
   2  * dshow.cpp : DirectShow access module for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2002, 2003 the VideoLAN team
   5  * $Id$
   6  *
   7  * Author: Gildas Bazin <gbazin@videolan.org>
   8  *         Damien Fouilleul <damienf@videolan.org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #include <stdlib.h>
  29 #include <stdio.h>
  30 #include <string.h>
  31
  32 #include <vlc/vlc.h>
  33 #include <vlc/input.h>
  34 #include <vlc/vout.h>
  35 #include <vlc_interaction.h>
  36
  37 #include "common.h"
  38 #include "filter.h"
  39
  40 /*****************************************************************************
  41  * Access: local prototypes
  42  *****************************************************************************/
  43 static block_t *ReadCompressed( access_t * );
  44 static int AccessControl ( access_t *, int, va_list );
  45
  46 static int Demux       ( demux_t * );
  47 static int DemuxControl( demux_t *, int, va_list );
  48
  49 static int OpenDevice( vlc_object_t *, access_sys_t *, string, vlc_bool_t );
  50 static IBaseFilter *FindCaptureDevice( vlc_object_t *, string *,
  51                                        list<string> *, vlc_bool_t );
  52 static size_t EnumDeviceCaps( vlc_object_t *, IBaseFilter *,
  53                               int, int, int, int, int, int,
  54                               AM_MEDIA_TYPE *mt, size_t );
  55 static bool ConnectFilters( vlc_object_t *, access_sys_t *,
  56                             IBaseFilter *, CaptureFilter * );
  57 static int FindDevicesCallback( vlc_object_t *, char const *,
  58                                 vlc_value_t, vlc_value_t, void * );
  59 static int ConfigDevicesCallback( vlc_object_t *, char const *,
  60                                   vlc_value_t, vlc_value_t, void * );
  61
  62 static void ShowPropertyPage( IUnknown * );
  63 static void ShowDeviceProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
  64                                   IBaseFilter *, vlc_bool_t );
  65 static void ShowTunerProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
  66                                  IBaseFilter *, vlc_bool_t );
  67 static void ConfigTuner( vlc_object_t *, ICaptureGraphBuilder2 *,
  68                          IBaseFilter * );
  69
  70 /*****************************************************************************
  71  * Module descriptor
  72  *****************************************************************************/
  73 static const char *ppsz_vdev[] = { "", "none" };
  74 static const char *ppsz_vdev_text[] = { N_("Default"), N_("None") };
  75 static const char *ppsz_adev[] = { "", "none" };
  76 static const char *ppsz_adev_text[] = { N_("Default"), N_("None") };
  77 static int  pi_tuner_input[] = { 0, 1, 2 };
  78 static const char *ppsz_tuner_input_text[] =
  79     {N_("Default"), N_("Cable"), N_("Antenna")};
  80 static int pi_amtuner_mode[] = { AMTUNER_MODE_DEFAULT,
  81                                  AMTUNER_MODE_TV,
  82                                  AMTUNER_MODE_FM_RADIO,
  83                                  AMTUNER_MODE_AM_RADIO,
  84                                  AMTUNER_MODE_DSS };
  85 static char *ppsz_amtuner_mode_text[] = { N_("Default"),
  86                                           N_("TV"),
  87                                           N_("FM radio"),
  88                                           N_("AM radio"),
  89                                           N_("DSS") };
  90
  91 #define CACHING_TEXT N_("Caching value in ms")
  92 #define CACHING_LONGTEXT N_( \
  93     "Caching value for DirectShow streams. " \
  94     "This value should be set in millisecondss." )
  95 #define VDEV_TEXT N_("Video device name")
  96 #define VDEV_LONGTEXT N_( \
  97     "Name of the video device that will be used by the " \
  98     "DirectShow plugin. If you don't specify anything, the default device " \
  99     "will be used.")
 100 /// \bug [String] size stuff should be on video !
 101 #define ADEV_TEXT N_("Audio device name")
 102 #define ADEV_LONGTEXT N_( \
 103     "Name of the audio device that will be used by the " \
 104     "DirectShow plugin. If you don't specify anything, the default device " \
 105     "will be used. You can specify a standard size (cif, d1, ...) or <width>x<height>")
 106 #define SIZE_TEXT N_("Video size")
 107 #define SIZE_LONGTEXT N_( \
 108     "Size of the video that will be displayed by the " \
 109     "DirectShow plugin. If you don't specify anything the default size for " \
 110     "your device will be used.")
 111 #define CHROMA_TEXT N_("Video input chroma format")
 112 #define CHROMA_LONGTEXT N_( \
 113     "Force the DirectShow video input to use a specific chroma format " \
 114     "(eg. I420 (default), RV24, etc.)")
 115 #define FPS_TEXT N_("Video input frame rate")
 116 #define FPS_LONGTEXT N_( \
 117     "Force the DirectShow video input to use a specific frame rate" \
 118     "(eg. 0 means default, 25, 29.97, 50, 59.94, etc.)")
 119 #define CONFIG_TEXT N_("Device properties")
 120 #define CONFIG_LONGTEXT N_( \
 121     "Show the properties dialog of the selected device before starting the " \
 122     "stream.")
 123 #define TUNER_TEXT N_("Tuner properties")
 124 #define TUNER_LONGTEXT N_( \
 125     "Show the tuner properties [channel selection] page." )
 126 #define CHANNEL_TEXT N_("Tuner TV Channel")
 127 #define CHANNEL_LONGTEXT N_( \
 128     "Set the TV channel the tuner will set to " \
 129     "(0 means default)." )
 130 #define COUNTRY_TEXT N_("Tuner country code")
 131 #define COUNTRY_LONGTEXT N_( \
 132     "Set the tuner country code that establishes the current " \
 133     "channel-to-frequency mapping (0 means default)." )
 134 #define TUNER_INPUT_TEXT N_("Tuner input type")
 135 #define TUNER_INPUT_LONGTEXT N_( \
 136     "Select the tuner input type (Cable/Antenna)." )
 137 #define VIDEO_IN_TEXT N_("Video input pin")
 138 #define VIDEO_IN_LONGTEXT N_( \
 139   "Select the video input source, such as composite, s-video, " \
 140   "or tuner. Since these settings are hardware-specfic, you should find good " \
 141   "settings in the \"Device config\" area, and use those numbers here. -1 " \
 142   "means that settings will not be changed.")
 143 #define AUDIO_IN_TEXT N_("Audio input pin")
 144 #define AUDIO_IN_LONGTEXT N_( \
 145   "Select the audio input source. See the \"video input\" option." )
 146 #define VIDEO_OUT_TEXT N_("Video output pin")
 147 #define VIDEO_OUT_LONGTEXT N_( \
 148   "Select the video output type. See the \"video input\" option." )
 149 #define AUDIO_OUT_TEXT N_("Audio output pin")
 150 #define AUDIO_OUT_LONGTEXT N_( \
 151   "Select the audio output type. See the \"video input\" option." )
 152
 153 #define AMTUNER_MODE_TEXT N_("AM Tuner mode")
 154 #define AMTUNER_MODE_LONGTEXT N_( \
 155     "AM Tuner mode. Can be one of DEFAULT, TV, AM_RADIO, FM_RADIO or DSS.")
 156
 157 static int  CommonOpen ( vlc_object_t *, access_sys_t *, vlc_bool_t );
 158 static void CommonClose( vlc_object_t *, access_sys_t * );
 159
 160 static int  AccessOpen ( vlc_object_t * );
 161 static void AccessClose( vlc_object_t * );
 162
 163 static int  DemuxOpen  ( vlc_object_t * );
 164 static void DemuxClose ( vlc_object_t * );
 165
 166 vlc_module_begin();
 167     set_shortname( _("DirectShow") );
 168     set_description( _("DirectShow input") );
 169     set_category( CAT_INPUT );
 170     set_subcategory( SUBCAT_INPUT_ACCESS );
 171     add_integer( "dshow-caching", (mtime_t)(0.2*CLOCK_FREQ) / 1000, NULL,
 172                  CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
 173
 174     add_string( "dshow-vdev", NULL, NULL, VDEV_TEXT, VDEV_LONGTEXT, VLC_FALSE);
 175         change_string_list( ppsz_vdev, ppsz_vdev_text, FindDevicesCallback );
 176         change_action_add( FindDevicesCallback, N_("Refresh list") );
 177         change_action_add( ConfigDevicesCallback, N_("Configure") );
 178
 179     add_string( "dshow-adev", NULL, NULL, ADEV_TEXT, ADEV_LONGTEXT, VLC_FALSE);
 180         change_string_list( ppsz_adev, ppsz_adev_text, FindDevicesCallback );
 181         change_action_add( FindDevicesCallback, N_("Refresh list") );
 182         change_action_add( ConfigDevicesCallback, N_("Configure") );
 183
 184     add_string( "dshow-size", NULL, NULL, SIZE_TEXT, SIZE_LONGTEXT, VLC_FALSE);
 185
 186     add_string( "dshow-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT,
 187                 VLC_TRUE );
 188
 189     add_float( "dshow-fps", 0.0f, NULL, FPS_TEXT, FPS_LONGTEXT,
 190                 VLC_TRUE );
 191
 192     add_bool( "dshow-config", VLC_FALSE, NULL, CONFIG_TEXT, CONFIG_LONGTEXT,
 193               VLC_TRUE );
 194
 195     add_bool( "dshow-tuner", VLC_FALSE, NULL, TUNER_TEXT, TUNER_LONGTEXT,
 196               VLC_TRUE );
 197
 198     add_integer( "dshow-tuner-channel", 0, NULL, CHANNEL_TEXT,
 199                  CHANNEL_LONGTEXT, VLC_TRUE );
 200
 201     add_integer( "dshow-tuner-country", 0, NULL, COUNTRY_TEXT,
 202                  COUNTRY_LONGTEXT, VLC_TRUE );
 203
 204     add_integer( "dshow-tuner-input", 0, NULL, TUNER_INPUT_TEXT,
 205                  TUNER_INPUT_LONGTEXT, VLC_TRUE );
 206         change_integer_list( pi_tuner_input, ppsz_tuner_input_text, 0 );
 207
 208     add_integer( "dshow-video-input",  -1, NULL, VIDEO_IN_TEXT,
 209                  VIDEO_IN_LONGTEXT, VLC_TRUE );
 210
 211     add_integer( "dshow-audio-input",  -1, NULL, AUDIO_IN_TEXT,
 212                  AUDIO_IN_LONGTEXT, VLC_TRUE );
 213
 214     add_integer( "dshow-video-output", -1, NULL, VIDEO_OUT_TEXT,
 215                  VIDEO_OUT_LONGTEXT, VLC_TRUE );
 216
 217     add_integer( "dshow-audio-output", -1, NULL, AUDIO_OUT_TEXT,
 218                  AUDIO_OUT_LONGTEXT, VLC_TRUE );
 219
 220     add_integer( "dshow-amtuner-mode", AMTUNER_MODE_TV, NULL,
 221                 AMTUNER_MODE_TEXT, AMTUNER_MODE_LONGTEXT, VLC_FALSE);
 222         change_integer_list( pi_amtuner_mode, ppsz_amtuner_mode_text, 0 );
 223
 224     add_shortcut( "dshow" );
 225     set_capability( "access_demux", 0 );
 226     set_callbacks( DemuxOpen, DemuxClose );
 227
 228     add_submodule();
 229     set_description( _("DirectShow input") );
 230     add_shortcut( "dshow" );
 231     set_capability( "access2", 0 );
 232     set_callbacks( AccessOpen, AccessClose );
 233
 234 vlc_module_end();
 235
 236 /*****************************************************************************
 237  * DirectShow elementary stream descriptor
 238  *****************************************************************************/
 239 typedef struct dshow_stream_t
 240 {
 241     string          devicename;
 242     IBaseFilter     *p_device_filter;
 243     CaptureFilter   *p_capture_filter;
 244     AM_MEDIA_TYPE   mt;
 245
 246     union
 247     {
 248       VIDEOINFOHEADER video;
 249       WAVEFORMATEX    audio;
 250
 251     } header;
 252
 253     int             i_fourcc;
 254     es_out_id_t     *p_es;
 255
 256     vlc_bool_t      b_pts;
 257 } dshow_stream_t;
 258
 259 /*****************************************************************************
 260  * DirectShow utility functions
 261  *****************************************************************************/
 262 static void CreateDirectShowGraph( access_sys_t *p_sys )
 263 {
 264     p_sys->i_crossbar_route_depth = 0;
 265
 266     /* Create directshow filter graph */
 267     if( SUCCEEDED( CoCreateInstance( CLSID_FilterGraph, 0, CLSCTX_INPROC,
 268                        (REFIID)IID_IFilterGraph, (void **)&p_sys->p_graph) ) )
 269     {
 270         /* Create directshow capture graph builder if available */
 271         if( SUCCEEDED( CoCreateInstance( CLSID_CaptureGraphBuilder2, 0,
 272                          CLSCTX_INPROC, (REFIID)IID_ICaptureGraphBuilder2,
 273                          (void **)&p_sys->p_capture_graph_builder2 ) ) )
 274         {
 275             p_sys->p_capture_graph_builder2->
 276                 SetFiltergraph((IGraphBuilder *)p_sys->p_graph);
 277         }
 278
 279         p_sys->p_graph->QueryInterface( IID_IMediaControl,
 280                                         (void **)&p_sys->p_control );
 281     }
 282 }
 283
 284 static void DeleteDirectShowGraph( access_sys_t *p_sys )
 285 {
 286     DeleteCrossbarRoutes( p_sys );
 287
 288     /* Remove filters from graph */
 289     for( int i = 0; i < p_sys->i_streams; i++ )
 290     {
 291         p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_capture_filter );
 292         p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_device_filter );
 293         p_sys->pp_streams[i]->p_capture_filter->Release();
 294         p_sys->pp_streams[i]->p_device_filter->Release();
 295     }
 296
 297     /* Release directshow objects */
 298     if( p_sys->p_control )
 299     {
 300         p_sys->p_control->Release();
 301         p_sys->p_control = NULL;
 302     }
 303     if( p_sys->p_capture_graph_builder2 )
 304     {
 305         p_sys->p_capture_graph_builder2->Release();
 306         p_sys->p_capture_graph_builder2 = NULL;
 307     }
 308
 309     if( p_sys->p_graph )
 310     {
 311         p_sys->p_graph->Release();
 312         p_sys->p_graph = NULL;
 313     }
 314 }
 315
 316 /*****************************************************************************
 317  * CommonOpen: open direct show device
 318  *****************************************************************************/
 319 static int CommonOpen( vlc_object_t *p_this, access_sys_t *p_sys,
 320                        vlc_bool_t b_access_demux )
 321 {
 322     vlc_value_t  val;
 323     int i;
 324
 325     /* Get/parse options and open device(s) */
 326     string vdevname, adevname;
 327     int i_width = 0, i_height = 0, i_chroma = 0;
 328     vlc_bool_t b_audio = VLC_TRUE;
 329
 330     var_Create( p_this, "dshow-config", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 331     var_Create( p_this, "dshow-tuner", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 332     var_Create( p_this, "dshow-vdev", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 333     var_Get( p_this, "dshow-vdev", &val );
 334     if( val.psz_string ) vdevname = string( val.psz_string );
 335     if( val.psz_string ) free( val.psz_string );
 336
 337     var_Create( p_this, "dshow-adev", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 338     var_Get( p_this, "dshow-adev", &val );
 339     if( val.psz_string ) adevname = string( val.psz_string );
 340     if( val.psz_string ) free( val.psz_string );
 341
 342     static struct {char *psz_size; int  i_width; int  i_height;} size_table[] =
 343     { { "subqcif", 128, 96 }, { "qsif", 160, 120 }, { "qcif", 176, 144 },
 344       { "sif", 320, 240 }, { "cif", 352, 288 }, { "d1", 640, 480 },
 345       { 0, 0, 0 },
 346     };
 347
 348     var_Create( p_this, "dshow-size", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 349     var_Get( p_this, "dshow-size", &val );
 350     if( val.psz_string && *val.psz_string )
 351     {
 352         for( i = 0; size_table[i].psz_size; i++ )
 353         {
 354             if( !strcmp( val.psz_string, size_table[i].psz_size ) )
 355             {
 356                 i_width = size_table[i].i_width;
 357                 i_height = size_table[i].i_height;
 358                 break;
 359             }
 360         }
 361         if( !size_table[i].psz_size ) /* Try to parse "WidthxHeight" */
 362         {
 363             char *psz_parser;
 364             i_width = strtol( val.psz_string, &psz_parser, 0 );
 365             if( *psz_parser == 'x' || *psz_parser == 'X')
 366             {
 367                 i_height = strtol( psz_parser + 1, &psz_parser, 0 );
 368             }
 369             msg_Dbg( p_this, "width x height %dx%d", i_width, i_height );
 370         }
 371     }
 372     if( val.psz_string ) free( val.psz_string );
 373
 374     p_sys->b_chroma = VLC_FALSE;
 375     var_Create( p_this, "dshow-chroma", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
 376     var_Get( p_this, "dshow-chroma", &val );
 377     if( val.psz_string && strlen( val.psz_string ) >= 4 )
 378     {
 379         i_chroma = VLC_FOURCC( val.psz_string[0], val.psz_string[1],
 380                                val.psz_string[2], val.psz_string[3] );
 381         p_sys->b_chroma = VLC_TRUE;
 382     }
 383     if( val.psz_string ) free( val.psz_string );
 384
 385     var_Create( p_this, "dshow-fps", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
 386     var_Create( p_this, "dshow-tuner-channel",
 387                 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 388     var_Create( p_this, "dshow-tuner-country",
 389                 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 390     var_Create( p_this, "dshow-tuner-input",
 391                 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 392
 393     var_Create( p_this, "dshow-amtuner-mode",
 394                 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 395
 396     var_Create( p_this, "dshow-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 397
 398     var_Create( p_this, "dshow-video-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 399     var_Create( p_this, "dshow-audio-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 400     var_Create( p_this, "dshow-video-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 401     var_Create( p_this, "dshow-audio-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 402
 403     /* Initialize OLE/COM */
 404     CoInitialize( 0 );
 405
 406     /* Initialize some data */
 407     p_sys->i_streams = 0;
 408     p_sys->pp_streams = 0;
 409     p_sys->i_width = i_width;
 410     p_sys->i_height = i_height;
 411     p_sys->i_chroma = i_chroma;
 412
 413     p_sys->p_graph = NULL;
 414     p_sys->p_capture_graph_builder2 = NULL;
 415     p_sys->p_control = NULL;
 416
 417     vlc_mutex_init( p_this, &p_sys->lock );
 418     vlc_cond_init( p_this, &p_sys->wait );
 419
 420     /* Build directshow graph */
 421     CreateDirectShowGraph( p_sys );
 422
 423     if( OpenDevice( p_this, p_sys, vdevname, 0 ) != VLC_SUCCESS )
 424     {
 425         msg_Err( p_this, "can't open video");
 426     }
 427     else
 428     {
 429         /* Check if we can handle the demuxing ourselves or need to spawn
 430          * a demuxer module */
 431         dshow_stream_t *p_stream = p_sys->pp_streams[p_sys->i_streams-1];
 432
 433         if( p_stream->mt.majortype == MEDIATYPE_Video )
 434         {
 435             if( /* Raw DV stream */
 436                 p_stream->i_fourcc == VLC_FOURCC('d','v','s','l') ||
 437                 p_stream->i_fourcc == VLC_FOURCC('d','v','s','d') ||
 438                 p_stream->i_fourcc == VLC_FOURCC('d','v','h','d') ||
 439                 /* Raw MPEG video stream */
 440                 p_stream->i_fourcc == VLC_FOURCC('m','p','2','v') )
 441             {
 442                 b_audio = VLC_FALSE;
 443
 444                 if( b_access_demux )
 445                 {
 446                     /* Let the access (only) take care of that */
 447                     return VLC_EGENERIC;
 448                 }
 449             }
 450         }
 451
 452         if( p_stream->mt.majortype == MEDIATYPE_Stream )
 453         {
 454             b_audio = VLC_FALSE;
 455
 456             if( b_access_demux )
 457             {
 458                 /* Let the access (only) take care of that */
 459                 return VLC_EGENERIC;
 460             }
 461
 462             var_Get( p_this, "dshow-tuner", &val );
 463             if( val.b_bool )
 464             {
 465                 /* FIXME: we do MEDIATYPE_Stream here so we don't do
 466                  * it twice. */
 467                 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
 468                                      p_stream->p_device_filter, 0 );
 469             }
 470         }
 471     }
 472
 473     if( b_audio && OpenDevice( p_this, p_sys, adevname, 1 ) != VLC_SUCCESS )
 474     {
 475         msg_Err( p_this, "can't open audio");
 476     }
 477
 478     for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
 479     {
 480             var_Get( p_this, "dshow-video-input", &val );
 481             if( val.i_int >= 0 )
 482                     p_sys->crossbar_routes[i].VideoInputIndex=val.i_int;
 483             var_Get( p_this, "dshow-video-output", &val );
 484             if( val.i_int >= 0 )
 485                     p_sys->crossbar_routes[i].VideoOutputIndex=val.i_int;
 486             var_Get( p_this, "dshow-audio-input", &val );
 487             if( val.i_int >= 0 )
 488                     p_sys->crossbar_routes[i].AudioInputIndex=val.i_int;
 489             var_Get( p_this, "dshow-audio-output", &val );
 490             if( val.i_int >= 0 )
 491                     p_sys->crossbar_routes[i].AudioOutputIndex=val.i_int;
 492
 493         IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
 494         LONG VideoInputIndex = p_sys->crossbar_routes[i].VideoInputIndex;
 495         LONG VideoOutputIndex = p_sys->crossbar_routes[i].VideoOutputIndex;
 496         LONG AudioInputIndex = p_sys->crossbar_routes[i].AudioInputIndex;
 497         LONG AudioOutputIndex = p_sys->crossbar_routes[i].AudioOutputIndex;
 498
 499         if( SUCCEEDED(pXbar->Route(VideoOutputIndex, VideoInputIndex)) )
 500         {
 501             msg_Dbg( p_this, "crossbar at depth %d, routed video "
 502                      "output %ld to video input %ld", i, VideoOutputIndex,
 503                      VideoInputIndex );
 504
 505             if( AudioOutputIndex != -1 && AudioInputIndex != -1 )
 506             {
 507                 if( SUCCEEDED( pXbar->Route(AudioOutputIndex,
 508                                             AudioInputIndex)) )
 509                 {
 510                     msg_Dbg(p_this, "crossbar at depth %d, routed audio "
 511                             "output %ld to audio input %ld", i,
 512                             AudioOutputIndex, AudioInputIndex );
 513                 }
 514             }
 515         }
 516     }
 517
 518     /*
 519     ** Show properties pages from other filters in graph
 520     */
 521     var_Get( p_this, "dshow-config", &val );
 522     if( val.b_bool )
 523     {
 524         for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
 525         {
 526             IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
 527             IBaseFilter *p_XF;
 528
 529             if( SUCCEEDED( pXbar->QueryInterface( IID_IBaseFilter,
 530                                                   (void **)&p_XF ) ) )
 531             {
 532                 ShowPropertyPage( p_XF );
 533                 p_XF->Release();
 534             }
 535         }
 536     }
 537
 538     /* Initialize some data */
 539     p_sys->i_current_stream = 0;
 540
 541     if( !p_sys->i_streams ) return VLC_EGENERIC;
 542
 543     return VLC_SUCCESS;
 544 }
 545
 546 /*****************************************************************************
 547  * DemuxOpen: open direct show device as an access_demux module
 548  *****************************************************************************/
 549 static int DemuxOpen( vlc_object_t *p_this )
 550 {
 551     demux_t      *p_demux = (demux_t *)p_this;
 552     access_sys_t *p_sys;
 553     int i;
 554
 555     p_sys = (access_sys_t *)malloc( sizeof( access_sys_t ) );
 556     memset( p_sys, 0, sizeof( access_sys_t ) );
 557     p_demux->p_sys = (demux_sys_t *)p_sys;
 558
 559     if( CommonOpen( p_this, p_sys, VLC_TRUE ) != VLC_SUCCESS )
 560     {
 561         CommonClose( p_this, p_sys );
 562         return VLC_EGENERIC;
 563     }
 564
 565     /* Everything is ready. Let's rock baby */
 566     msg_Dbg( p_this, "Playing...");
 567     p_sys->p_control->Run();
 568
 569     p_demux->pf_demux   = Demux;
 570     p_demux->pf_control = DemuxControl;
 571     p_demux->info.i_update = 0;
 572     p_demux->info.i_title = 0;
 573     p_demux->info.i_seekpoint = 0;
 574
 575     for( i = 0; i < p_sys->i_streams; i++ )
 576     {
 577         dshow_stream_t *p_stream = p_sys->pp_streams[i];
 578         es_format_t fmt;
 579
 580         if( p_stream->mt.majortype == MEDIATYPE_Video )
 581         {
 582             es_format_Init( &fmt, VIDEO_ES, p_stream->i_fourcc );
 583
 584             fmt.video.i_width  = p_stream->header.video.bmiHeader.biWidth;
 585             fmt.video.i_height = p_stream->header.video.bmiHeader.biHeight;
 586             fmt.video.i_aspect = 4 * VOUT_ASPECT_FACTOR / 3;
 587
 588             if( !p_stream->header.video.bmiHeader.biCompression )
 589             {
 590                 /* RGB DIB are coded from bottom to top */
 591                 fmt.video.i_height = (unsigned int)(-(int)fmt.video.i_height);
 592             }
 593
 594             /* Setup rgb mask for RGB formats */
 595             if( p_stream->i_fourcc == VLC_FOURCC('R','V','2','4') )
 596             {
 597                 /* This is in BGR format */
 598                 fmt.video.i_bmask = 0x00ff0000;
 599                 fmt.video.i_gmask = 0x0000ff00;
 600                 fmt.video.i_rmask = 0x000000ff;
 601             }
 602
 603             if( p_stream->header.video.AvgTimePerFrame )
 604             {
 605                 fmt.video.i_frame_rate = 10000000;
 606                 fmt.video.i_frame_rate_base =
 607                     p_stream->header.video.AvgTimePerFrame;
 608             }
 609         }
 610         else if( p_stream->mt.majortype == MEDIATYPE_Audio )
 611         {
 612             es_format_Init( &fmt, AUDIO_ES, p_stream->i_fourcc );
 613
 614             fmt.audio.i_channels = p_stream->header.audio.nChannels;
 615             fmt.audio.i_rate = p_stream->header.audio.nSamplesPerSec;
 616             fmt.audio.i_bitspersample = p_stream->header.audio.wBitsPerSample;
 617             fmt.audio.i_blockalign = fmt.audio.i_channels *
 618                 fmt.audio.i_bitspersample / 8;
 619             fmt.i_bitrate = fmt.audio.i_channels * fmt.audio.i_rate *
 620                 fmt.audio.i_bitspersample;
 621         }
 622
 623         p_stream->p_es = es_out_Add( p_demux->out, &fmt );
 624     }
 625
 626     return VLC_SUCCESS;
 627 }
 628
 629 /*****************************************************************************
 630  * AccessOpen: open direct show device as an access module
 631  *****************************************************************************/
 632 static int AccessOpen( vlc_object_t *p_this )
 633 {
 634     access_t     *p_access = (access_t*)p_this;
 635     access_sys_t *p_sys;
 636
 637     p_access->p_sys = p_sys = (access_sys_t *)malloc( sizeof( access_sys_t ) );
 638     memset( p_sys, 0, sizeof( access_sys_t ) );
 639
 640     if( CommonOpen( p_this, p_sys, VLC_FALSE ) != VLC_SUCCESS )
 641     {
 642         CommonClose( p_this, p_sys );
 643         return VLC_EGENERIC;
 644     }
 645
 646     dshow_stream_t *p_stream = p_sys->pp_streams[0];
 647
 648     /* Check if we need to force demuxers */
 649     if( !p_access->psz_demux || !*p_access->psz_demux )
 650     {
 651         if( p_stream->i_fourcc == VLC_FOURCC('d','v','s','l') ||
 652             p_stream->i_fourcc == VLC_FOURCC('d','v','s','d') ||
 653             p_stream->i_fourcc == VLC_FOURCC('d','v','h','d') )
 654         {
 655             p_access->psz_demux = strdup( "rawdv" );
 656         }
 657         else if( p_stream->i_fourcc == VLC_FOURCC('m','p','2','v') )
 658         {
 659             p_access->psz_demux = "mpgv";
 660         }
 661     }
 662
 663     /* Setup Access */
 664     p_access->pf_read = NULL;
 665     p_access->pf_block = ReadCompressed;
 666     p_access->pf_control = AccessControl;
 667     p_access->pf_seek = NULL;
 668     p_access->info.i_update = 0;
 669     p_access->info.i_size = 0;
 670     p_access->info.i_pos = 0;
 671     p_access->info.b_eof = VLC_FALSE;
 672     p_access->info.i_title = 0;
 673     p_access->info.i_seekpoint = 0;
 674     p_access->p_sys = p_sys;
 675
 676     /* Everything is ready. Let's rock baby */
 677     msg_Dbg( p_this, "Playing...");
 678     p_sys->p_control->Run();
 679
 680     return VLC_SUCCESS;
 681 }
 682
 683 /*****************************************************************************
 684  * CommonClose: close device
 685  *****************************************************************************/
 686 static void CommonClose( vlc_object_t *p_this, access_sys_t *p_sys )
 687 {
 688     msg_Dbg( p_this, "releasing DirectShow");
 689
 690     DeleteDirectShowGraph( p_sys );
 691
 692     /* Uninitialize OLE/COM */
 693     CoUninitialize();
 694
 695     for( int i = 0; i < p_sys->i_streams; i++ ) delete p_sys->pp_streams[i];
 696     if( p_sys->i_streams ) free( p_sys->pp_streams );
 697
 698     vlc_mutex_destroy( &p_sys->lock );
 699     vlc_cond_destroy( &p_sys->wait );
 700
 701     free( p_sys );
 702 }
 703
 704 /*****************************************************************************
 705  * AccessClose: close device
 706  *****************************************************************************/
 707 static void AccessClose( vlc_object_t *p_this )
 708 {
 709     access_t     *p_access = (access_t *)p_this;
 710     access_sys_t *p_sys    = p_access->p_sys;
 711
 712     /* Stop capturing stuff */
 713     p_sys->p_control->Stop();
 714
 715     CommonClose( p_this, p_sys );
 716 }
 717
 718 /*****************************************************************************
 719  * DemuxClose: close device
 720  *****************************************************************************/
 721 static void DemuxClose( vlc_object_t *p_this )
 722 {
 723     demux_t      *p_demux = (demux_t *)p_this;
 724     access_sys_t *p_sys   = (access_sys_t *)p_demux->p_sys;
 725
 726     /* Stop capturing stuff */
 727     p_sys->p_control->Stop();
 728
 729     CommonClose( p_this, p_sys );
 730 }
 731
 732 /****************************************************************************
 733  * ConnectFilters
 734  ****************************************************************************/
 735 static bool ConnectFilters( vlc_object_t *p_this, access_sys_t *p_sys,
 736                             IBaseFilter *p_filter,
 737                             CaptureFilter *p_capture_filter )
 738 {
 739     CapturePin *p_input_pin = p_capture_filter->CustomGetPin();
 740
 741     AM_MEDIA_TYPE mediaType = p_input_pin->CustomGetMediaType();
 742
 743     if( p_sys->p_capture_graph_builder2 )
 744     {
 745         if( FAILED(p_sys->p_capture_graph_builder2->
 746                 RenderStream( &PIN_CATEGORY_CAPTURE, &mediaType.majortype,
 747                               p_filter, 0, (IBaseFilter *)p_capture_filter )) )
 748         {
 749             return false;
 750         }
 751
 752         // Sort out all the possible video inputs
 753         // The class needs to be given the capture filters ANALOGVIDEO input pin
 754         IEnumPins *pins = 0;
 755         if( ( mediaType.majortype == MEDIATYPE_Video ||
 756               mediaType.majortype == MEDIATYPE_Stream ) &&
 757             SUCCEEDED(p_filter->EnumPins(&pins)) )
 758         {
 759             IPin        *pP = 0;
 760             ULONG        n;
 761             PIN_INFO     pinInfo;
 762             BOOL         Found = FALSE;
 763             IKsPropertySet *pKs=0;
 764             GUID guid;
 765             DWORD dw;
 766
 767             while( !Found && ( S_OK == pins->Next(1, &pP, &n) ) )
 768             {
 769                 if( S_OK == pP->QueryPinInfo(&pinInfo) )
 770                 {
 771                     // is this pin an ANALOGVIDEOIN input pin?
 772                     if( pinInfo.dir == PINDIR_INPUT &&
 773                         pP->QueryInterface( IID_IKsPropertySet,
 774                                             (void **)&pKs ) == S_OK )
 775                     {
 776                         if( pKs->Get( AMPROPSETID_Pin,
 777                                       AMPROPERTY_PIN_CATEGORY, NULL, 0,
 778                                       &guid, sizeof(GUID), &dw ) == S_OK )
 779                         {
 780                             if( guid == PIN_CATEGORY_ANALOGVIDEOIN )
 781                             {
 782                                 // recursively search crossbar routes
 783                                 FindCrossbarRoutes( p_this, p_sys, pP, 0 );
 784                                 // found it
 785                                 Found = TRUE;
 786                             }
 787                         }
 788                         pKs->Release();
 789                     }
 790                     pinInfo.pFilter->Release();
 791                 }
 792                 pP->Release();
 793             }
 794             pins->Release();
 795         }
 796         return true;
 797     }
 798     else
 799     {
 800         IEnumPins *p_enumpins;
 801         IPin *p_pin;
 802
 803         if( S_OK != p_filter->EnumPins( &p_enumpins ) ) return false;
 804
 805         while( S_OK == p_enumpins->Next( 1, &p_pin, NULL ) )
 806         {
 807             PIN_DIRECTION pin_dir;
 808             p_pin->QueryDirection( &pin_dir );
 809
 810             if( pin_dir == PINDIR_OUTPUT &&
 811                 p_sys->p_graph->ConnectDirect( p_pin, (IPin *)p_input_pin,
 812                                                0 ) == S_OK )
 813             {
 814                 p_pin->Release();
 815                 p_enumpins->Release();
 816                 return true;
 817             }
 818             p_pin->Release();
 819         }
 820
 821         p_enumpins->Release();
 822         return false;
 823     }
 824 }
 825
 826 /*
 827  * get fourcc priority from arbritary preference, the higher the better
 828  */
 829 static int GetFourCCPriority( int i_fourcc )
 830 {
 831     switch( i_fourcc )
 832     {
 833     case VLC_FOURCC('I','4','2','0'):
 834     case VLC_FOURCC('f','l','3','2'):
 835         return 9;
 836     case VLC_FOURCC('Y','V','1','2'):
 837     case VLC_FOURCC('a','r','a','w'):
 838         return 8;
 839     case VLC_FOURCC('R','V','2','4'):
 840         return 7;
 841     case VLC_FOURCC('Y','U','Y','2'):
 842     case VLC_FOURCC('R','V','3','2'):
 843     case VLC_FOURCC('R','G','B','A'):
 844         return 6;
 845     }
 846
 847     return 0;
 848 }
 849
 850 #define MAX_MEDIA_TYPES 32
 851
 852 static int OpenDevice( vlc_object_t *p_this, access_sys_t *p_sys,
 853                        string devicename, vlc_bool_t b_audio )
 854 {
 855     /* See if device is already opened */
 856     for( int i = 0; i < p_sys->i_streams; i++ )
 857     {
 858         if( devicename.size() &&
 859             p_sys->pp_streams[i]->devicename == devicename )
 860         {
 861             /* Already opened */
 862             return VLC_SUCCESS;
 863         }
 864     }
 865
 866     list<string> list_devices;
 867
 868     /* Enumerate devices and display their names */
 869     FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
 870
 871     if( !list_devices.size() )
 872         return VLC_EGENERIC;
 873
 874     list<string>::iterator iter;
 875     for( iter = list_devices.begin(); iter != list_devices.end(); iter++ )
 876         msg_Dbg( p_this, "found device: %s", iter->c_str() );
 877
 878     /* If no device name was specified, pick the 1st one */
 879     if( devicename.size() == 0 )
 880     {
 881         devicename = *list_devices.begin();
 882     }
 883
 884     // Use the system device enumerator and class enumerator to find
 885     // a capture/preview device, such as a desktop USB video camera.
 886     IBaseFilter *p_device_filter =
 887         FindCaptureDevice( p_this, &devicename, 0, b_audio );
 888     if( p_device_filter )
 889         msg_Dbg( p_this, "using device: %s", devicename.c_str() );
 890     else
 891     {
 892         msg_Err( p_this, "can't use device: %s, unsupported device type",
 893                  devicename.c_str() );
 894         intf_UserFatal( p_this, VLC_FALSE, _("Capturing failed"),
 895                         _("VLC cannot use the device \"%s\", because its device "
 896                           "type is not supported.") );
 897         return VLC_EGENERIC;
 898     }
 899
 900     // Retreive acceptable media types supported by device
 901     AM_MEDIA_TYPE media_types[MAX_MEDIA_TYPES];
 902     size_t media_count =
 903         EnumDeviceCaps( p_this, p_device_filter, b_audio ? 0 : p_sys->i_chroma,
 904                         p_sys->i_width, p_sys->i_height,
 905                         0, 0, 0, media_types, MAX_MEDIA_TYPES );
 906
 907     AM_MEDIA_TYPE *mt = NULL;
 908
 909     if( media_count > 0 )
 910     {
 911         mt = (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE) * media_count);
 912
 913         // Order and copy returned media types according to arbitrary
 914         // fourcc priority
 915         for( size_t c = 0; c < media_count; c++ )
 916         {
 917             int slot_priority =
 918                 GetFourCCPriority(GetFourCCFromMediaType(media_types[c]));
 919             size_t slot_copy = c;
 920             for( size_t d = c+1; d < media_count; d++ )
 921             {
 922                 int priority =
 923                     GetFourCCPriority(GetFourCCFromMediaType(media_types[d]));
 924                 if( priority > slot_priority )
 925                 {
 926                     slot_priority = priority;
 927                     slot_copy = d;
 928                 }
 929             }
 930             if( slot_copy != c )
 931             {
 932                 mt[c] = media_types[slot_copy];
 933                 media_types[slot_copy] = media_types[c];
 934             }
 935             else
 936             {
 937                 mt[c] = media_types[c];
 938             }
 939         }
 940     }
 941     else {
 942         /* capture device */
 943         msg_Err( p_this, "capture device '%s' does not support required parameters !", devicename.c_str() );
 944         intf_UserFatal( p_this, VLC_FALSE, _("Capturing failed"),
 945                         _("The capture device \"%s\" does not support the "
 946                           "required parameters."), devicename.c_str() );
 947         p_device_filter->Release();
 948         return VLC_EGENERIC;
 949     }
 950
 951     /* Create and add our capture filter */
 952     CaptureFilter *p_capture_filter =
 953         new CaptureFilter( p_this, p_sys, mt, media_count );
 954     p_sys->p_graph->AddFilter( p_capture_filter, 0 );
 955
 956     /* Add the device filter to the graph (seems necessary with VfW before
 957      * accessing pin attributes). */
 958     p_sys->p_graph->AddFilter( p_device_filter, 0 );
 959
 960     /* Attempt to connect one of this device's capture output pins */
 961     msg_Dbg( p_this, "connecting filters" );
 962     if( ConnectFilters( p_this, p_sys, p_device_filter, p_capture_filter ) )
 963     {
 964         /* Success */
 965         msg_Dbg( p_this, "filters connected successfully !" );
 966
 967         dshow_stream_t dshow_stream;
 968         dshow_stream.b_pts = VLC_FALSE;
 969         dshow_stream.p_es = 0;
 970         dshow_stream.mt =
 971             p_capture_filter->CustomGetPin()->CustomGetMediaType();
 972
 973         /* Show Device properties. Done here so the VLC stream is setup with
 974          * the proper parameters. */
 975         vlc_value_t val;
 976         var_Get( p_this, "dshow-config", &val );
 977         if( val.b_bool )
 978         {
 979             ShowDeviceProperties( p_this, p_sys->p_capture_graph_builder2,
 980                                   p_device_filter, b_audio );
 981         }
 982
 983         ConfigTuner( p_this, p_sys->p_capture_graph_builder2,
 984                      p_device_filter );
 985
 986         var_Get( p_this, "dshow-tuner", &val );
 987         if( val.b_bool && dshow_stream.mt.majortype != MEDIATYPE_Stream )
 988         {
 989             /* FIXME: we do MEDIATYPE_Stream later so we don't do it twice. */
 990             ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
 991                                  p_device_filter, b_audio );
 992         }
 993
 994         dshow_stream.mt =
 995             p_capture_filter->CustomGetPin()->CustomGetMediaType();
 996
 997         dshow_stream.i_fourcc = GetFourCCFromMediaType( dshow_stream.mt );
 998         if( dshow_stream.i_fourcc )
 999         {
1000             if( dshow_stream.mt.majortype == MEDIATYPE_Video )
1001             {
1002                 dshow_stream.header.video =
1003                     *(VIDEOINFOHEADER *)dshow_stream.mt.pbFormat;
1004                 msg_Dbg( p_this, "MEDIATYPE_Video" );
1005                 msg_Dbg( p_this, "selected video pin accepts format: %4.4s",
1006                          (char *)&dshow_stream.i_fourcc);
1007             }
1008             else if( dshow_stream.mt.majortype == MEDIATYPE_Audio )
1009             {
1010                 dshow_stream.header.audio =
1011                     *(WAVEFORMATEX *)dshow_stream.mt.pbFormat;
1012                 msg_Dbg( p_this, "MEDIATYPE_Audio" );
1013                 msg_Dbg( p_this, "selected audio pin accepts format: %4.4s",
1014                          (char *)&dshow_stream.i_fourcc);
1015             }
1016             else if( dshow_stream.mt.majortype == MEDIATYPE_Stream )
1017             {
1018                 msg_Dbg( p_this, "MEDIATYPE_Stream" );
1019                 msg_Dbg( p_this, "selected stream pin accepts format: %4.4s",
1020                          (char *)&dshow_stream.i_fourcc);
1021             }
1022             else
1023             {
1024                 msg_Dbg( p_this, "unknown stream majortype" );
1025                 goto fail;
1026             }
1027
1028             /* Add directshow elementary stream to our list */
1029             dshow_stream.p_device_filter = p_device_filter;
1030             dshow_stream.p_capture_filter = p_capture_filter;
1031
1032             p_sys->pp_streams = (dshow_stream_t **)realloc( p_sys->pp_streams,
1033                 sizeof(dshow_stream_t *) * (p_sys->i_streams + 1) );
1034             p_sys->pp_streams[p_sys->i_streams] = new dshow_stream_t;
1035             *p_sys->pp_streams[p_sys->i_streams++] = dshow_stream;
1036
1037             return VLC_SUCCESS;
1038         }
1039     }
1040
1041  fail:
1042     /* Remove filters from graph */
1043     p_sys->p_graph->RemoveFilter( p_device_filter );
1044     p_sys->p_graph->RemoveFilter( p_capture_filter );
1045
1046     /* Release objects */
1047     p_device_filter->Release();
1048     p_capture_filter->Release();
1049
1050     return VLC_EGENERIC;
1051 }
1052
1053 static IBaseFilter *
1054 FindCaptureDevice( vlc_object_t *p_this, string *p_devicename,
1055                    list<string> *p_listdevices, vlc_bool_t b_audio )
1056 {
1057     IBaseFilter *p_base_filter = NULL;
1058     IMoniker *p_moniker = NULL;
1059     ULONG i_fetched;
1060     HRESULT hr;
1061
1062     /* Create the system device enumerator */
1063     ICreateDevEnum *p_dev_enum = NULL;
1064
1065     hr = CoCreateInstance( CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
1066                            IID_ICreateDevEnum, (void **)&p_dev_enum );
1067     if( FAILED(hr) )
1068     {
1069         msg_Err( p_this, "failed to create the device enumerator (0x%lx)", hr);
1070         return NULL;
1071     }
1072
1073     /* Create an enumerator for the video capture devices */
1074     IEnumMoniker *p_class_enum = NULL;
1075     if( !b_audio )
1076         hr = p_dev_enum->CreateClassEnumerator( CLSID_VideoInputDeviceCategory,
1077                                                 &p_class_enum, 0 );
1078     else
1079         hr = p_dev_enum->CreateClassEnumerator( CLSID_AudioInputDeviceCategory,
1080                                                 &p_class_enum, 0 );
1081     p_dev_enum->Release();
1082     if( FAILED(hr) )
1083     {
1084         msg_Err( p_this, "failed to create the class enumerator (0x%lx)", hr );
1085         return NULL;
1086     }
1087
1088     /* If there are no enumerators for the requested type, then
1089      * CreateClassEnumerator will succeed, but p_class_enum will be NULL */
1090     if( p_class_enum == NULL )
1091     {
1092         msg_Err( p_this, "no capture device was detected" );
1093         return NULL;
1094     }
1095
1096     /* Enumerate the devices */
1097
1098     /* Note that if the Next() call succeeds but there are no monikers,
1099      * it will return S_FALSE (which is not a failure). Therefore, we check
1100      * that the return code is S_OK instead of using SUCCEEDED() macro. */
1101
1102     while( p_class_enum->Next( 1, &p_moniker, &i_fetched ) == S_OK )
1103     {
1104         /* Getting the property page to get the device name */
1105         IPropertyBag *p_bag;
1106         hr = p_moniker->BindToStorage( 0, 0, IID_IPropertyBag,
1107                                        (void **)&p_bag );
1108         if( SUCCEEDED(hr) )
1109         {
1110             VARIANT var;
1111             var.vt = VT_BSTR;
1112             hr = p_bag->Read( L"FriendlyName", &var, NULL );
1113             p_bag->Release();
1114             if( SUCCEEDED(hr) )
1115             {
1116                 int i_convert = WideCharToMultiByte(CP_ACP, 0, var.bstrVal,
1117                         SysStringLen(var.bstrVal), NULL, 0, NULL, NULL);
1118                 char *p_buf = (char *)alloca( i_convert+1 ); p_buf[0] = 0;
1119                 WideCharToMultiByte( CP_ACP, 0, var.bstrVal,
1120                         SysStringLen(var.bstrVal), p_buf, i_convert, NULL, NULL );
1121                 SysFreeString(var.bstrVal);
1122                 p_buf[i_convert] = '\0';
1123
1124                 if( p_listdevices ) p_listdevices->push_back( p_buf );
1125
1126                 if( p_devicename && *p_devicename == string(p_buf) )
1127                 {
1128                     /* Bind Moniker to a filter object */
1129                     hr = p_moniker->BindToObject( 0, 0, IID_IBaseFilter,
1130                                                   (void **)&p_base_filter );
1131                     if( FAILED(hr) )
1132                     {
1133                         msg_Err( p_this, "couldn't bind moniker to filter "
1134                                  "object (0x%lx)", hr );
1135                         p_moniker->Release();
1136                         p_class_enum->Release();
1137                         return NULL;
1138                     }
1139                     p_moniker->Release();
1140                     p_class_enum->Release();
1141                     return p_base_filter;
1142                 }
1143             }
1144         }
1145
1146         p_moniker->Release();
1147     }
1148
1149     p_class_enum->Release();
1150     return NULL;
1151 }
1152
1153 static size_t EnumDeviceCaps( vlc_object_t *p_this, IBaseFilter *p_filter,
1154                               int i_fourcc, int i_width, int i_height,
1155                               int i_channels, int i_samplespersec,
1156                               int i_bitspersample, AM_MEDIA_TYPE *mt,
1157                               size_t mt_max )
1158 {
1159     IEnumPins *p_enumpins;
1160     IPin *p_output_pin;
1161     IEnumMediaTypes *p_enummt;
1162     size_t mt_count = 0;
1163
1164     LONGLONG i_AvgTimePerFrame = 0;
1165     float r_fps = var_GetFloat( p_this, "dshow-fps" );
1166     if( r_fps )
1167         i_AvgTimePerFrame = 10000000000LL/(LONGLONG)(r_fps*1000.0f);
1168
1169     if( FAILED(p_filter->EnumPins( &p_enumpins )) )
1170     {
1171         msg_Dbg( p_this, "EnumDeviceCaps failed: no pin enumeration !");
1172         return 0;
1173     }
1174
1175     while( S_OK == p_enumpins->Next( 1, &p_output_pin, NULL ) )
1176     {
1177         PIN_INFO info;
1178
1179         if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1180         {
1181             msg_Dbg( p_this, "EnumDeviceCaps: %s pin: %S",
1182                      info.dir == PINDIR_INPUT ? "input" : "output",
1183                      info.achName );
1184             if( info.pFilter ) info.pFilter->Release();
1185         }
1186
1187         p_output_pin->Release();
1188     }
1189
1190     p_enumpins->Reset();
1191
1192     while( !mt_count && p_enumpins->Next( 1, &p_output_pin, NULL ) == S_OK )
1193     {
1194         PIN_INFO info;
1195
1196         if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1197         {
1198             if( info.pFilter ) info.pFilter->Release();
1199             if( info.dir == PINDIR_INPUT )
1200             {
1201                 p_output_pin->Release();
1202                 continue;
1203             }
1204             msg_Dbg( p_this, "EnumDeviceCaps: trying pin %S", info.achName );
1205         }
1206
1207         AM_MEDIA_TYPE *p_mt;
1208
1209         /*
1210         ** Configure pin with a default compatible media if possible
1211         */
1212
1213         IAMStreamConfig *pSC;
1214         if( SUCCEEDED(p_output_pin->QueryInterface( IID_IAMStreamConfig,
1215                                             (void **)&pSC )) )
1216         {
1217             int piCount, piSize;
1218             if( SUCCEEDED(pSC->GetNumberOfCapabilities(&piCount, &piSize)) )
1219             {
1220                 BYTE *pSCC= (BYTE *)CoTaskMemAlloc(piSize);
1221                 if( NULL != pSCC )
1222                 {
1223                     int i_priority = -1;
1224                     for( int i=0; i<piCount; ++i )
1225                     {
1226                         if( SUCCEEDED(pSC->GetStreamCaps(i, &p_mt, pSCC)) )
1227                         {
1228                             int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1229                             int i_current_priority = GetFourCCPriority(i_current_fourcc);
1230
1231                             if( (i_fourcc && (i_current_fourcc != i_fourcc))
1232                              || (i_priority > i_current_priority) )
1233                             {
1234                                 // unwanted chroma, try next media type
1235                                 FreeMediaType( *p_mt );
1236                                 CoTaskMemFree( (PVOID)p_mt );
1237                                 continue;
1238                             }
1239
1240                             if( MEDIATYPE_Video == p_mt->majortype
1241                                     && FORMAT_VideoInfo == p_mt->formattype )
1242                             {
1243                                 VIDEO_STREAM_CONFIG_CAPS *pVSCC = reinterpret_cast<VIDEO_STREAM_CONFIG_CAPS*>(pSCC);
1244                                 VIDEOINFOHEADER *pVih = reinterpret_cast<VIDEOINFOHEADER*>(p_mt->pbFormat);
1245
1246                                 if( i_AvgTimePerFrame )
1247                                 {
1248                                     if( pVSCC->MinFrameInterval > i_AvgTimePerFrame
1249                                       || i_AvgTimePerFrame > pVSCC->MaxFrameInterval )
1250                                     {
1251                                         // required frame rate not compatible, try next media type
1252                                         FreeMediaType( *p_mt );
1253                                         CoTaskMemFree( (PVOID)p_mt );
1254                                         continue;
1255                                     }
1256                                     pVih->AvgTimePerFrame = i_AvgTimePerFrame;
1257                                 }
1258
1259                                 if( i_width )
1260                                 {
1261                                     if( i_width % pVSCC->OutputGranularityX
1262                                      || pVSCC->MinOutputSize.cx > i_width
1263                                      || i_width > pVSCC->MaxOutputSize.cx )
1264                                     {
1265                                         // required width not compatible, try next media type
1266                                         FreeMediaType( *p_mt );
1267                                         CoTaskMemFree( (PVOID)p_mt );
1268                                         continue;
1269                                     }
1270                                     pVih->bmiHeader.biWidth = i_width;
1271                                 }
1272
1273                                 if( i_height )
1274                                 {
1275                                     if( i_height % pVSCC->OutputGranularityY
1276                                      || pVSCC->MinOutputSize.cy > i_height
1277                                      || i_height > pVSCC->MaxOutputSize.cy )
1278                                     {
1279                                         // required height not compatible, try next media type
1280                                         FreeMediaType( *p_mt );
1281                                         CoTaskMemFree( (PVOID)p_mt );
1282                                         continue;
1283                                     }
1284                                     pVih->bmiHeader.biHeight = i_height;
1285                                 }
1286
1287                                 // Set the sample size and image size.
1288                                 // (Round the image width up to a DWORD boundary.)
1289                                 p_mt->lSampleSize = pVih->bmiHeader.biSizeImage =
1290                                     ((pVih->bmiHeader.biWidth + 3) & ~3) *
1291                                     pVih->bmiHeader.biHeight * (pVih->bmiHeader.biBitCount>>3);
1292
1293                                 // no cropping, use full video input buffer
1294                                 memset(&(pVih->rcSource), 0, sizeof(RECT));
1295                                 memset(&(pVih->rcTarget), 0, sizeof(RECT));
1296
1297                                 // select this format as default
1298                                 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1299                                 {
1300                                     i_priority = i_current_priority;
1301                                     if( i_fourcc )
1302                                         // no need to check any more media types
1303                                         i = piCount;
1304                                 }
1305                             }
1306                             else if( p_mt->majortype == MEDIATYPE_Audio
1307                                     && p_mt->formattype == FORMAT_WaveFormatEx )
1308                             {
1309                                 AUDIO_STREAM_CONFIG_CAPS *pASCC = reinterpret_cast<AUDIO_STREAM_CONFIG_CAPS*>(pSCC);
1310                                 WAVEFORMATEX *pWfx = reinterpret_cast<WAVEFORMATEX*>(p_mt->pbFormat);
1311
1312                                 if( i_current_fourcc && (WAVE_FORMAT_PCM == pWfx->wFormatTag) )
1313                                 {
1314                                     int val = i_channels;
1315                                     if( ! val )
1316                                         val = 2;
1317
1318                                     if( val % pASCC->ChannelsGranularity
1319                                      || (unsigned int)val < pASCC->MinimumChannels
1320                                      || (unsigned int)val > pASCC->MaximumChannels )
1321                                     {
1322                                         // required number channels not available, try next media type
1323                                         FreeMediaType( *p_mt );
1324                                         CoTaskMemFree( (PVOID)p_mt );
1325                                         continue;
1326                                     }
1327                                     pWfx->nChannels = val;
1328
1329                                     val = i_samplespersec;
1330                                     if( ! val )
1331                                         val = 44100;
1332
1333                                     if( val % pASCC->SampleFrequencyGranularity
1334                                      || (unsigned int)val < pASCC->MinimumSampleFrequency
1335                                      || (unsigned int)val > pASCC->MaximumSampleFrequency )
1336                                     {
1337                                         // required sampling rate not available, try next media type
1338                                         FreeMediaType( *p_mt );
1339                                         CoTaskMemFree( (PVOID)p_mt );
1340                                         continue;
1341                                     }
1342                                     pWfx->nSamplesPerSec = val;
1343
1344                                     val = i_bitspersample;
1345                                     if( ! val )
1346                                     {
1347                                         if( VLC_FOURCC('f', 'l', '3', '2') == i_current_fourcc )
1348                                             val = 32;
1349                                         else
1350                                             val = 16;
1351                                     }
1352
1353                                     if( val % pASCC->BitsPerSampleGranularity
1354                                      || (unsigned int)val < pASCC->MinimumBitsPerSample
1355                                      || (unsigned int)val > pASCC->MaximumBitsPerSample )
1356                                     {
1357                                         // required sample size not available, try next media type
1358                                         FreeMediaType( *p_mt );
1359                                         CoTaskMemFree( (PVOID)p_mt );
1360                                         continue;
1361                                     }
1362
1363                                     pWfx->wBitsPerSample = val;
1364                                     pWfx->nBlockAlign = (pWfx->wBitsPerSample * pWfx->nChannels)/8;
1365                                     pWfx->nAvgBytesPerSec = pWfx->nSamplesPerSec * pWfx->nBlockAlign;
1366
1367                                     // select this format as default
1368                                     if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1369                                     {
1370                                         i_priority = i_current_priority;
1371                                     }
1372                                 }
1373                             }
1374                             FreeMediaType( *p_mt );
1375                             CoTaskMemFree( (PVOID)p_mt );
1376                         }
1377                     }
1378                     CoTaskMemFree( (LPVOID)pSCC );
1379                     if( i_priority >= 0 )
1380                         msg_Dbg( p_this, "EnumDeviceCaps: input pin default format configured");
1381                 }
1382             }
1383             pSC->Release();
1384         }
1385
1386         /*
1387         ** Probe pin for available medias (may be a previously configured one)
1388         */
1389
1390         if( FAILED( p_output_pin->EnumMediaTypes( &p_enummt ) ) )
1391         {
1392             p_output_pin->Release();
1393             continue;
1394         }
1395
1396         while( p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1397         {
1398             int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1399             if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Video
1400                 && p_mt->formattype == FORMAT_VideoInfo )
1401             {
1402                 int i_current_width = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1403                 int i_current_height = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1404                 LONGLONG i_current_atpf = ((VIDEOINFOHEADER *)p_mt->pbFormat)->AvgTimePerFrame;
1405
1406                 if( i_current_height < 0 )
1407                     i_current_height = -i_current_height;
1408
1409                 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1410                          "accepts chroma: %4.4s, width:%i, height:%i, fps:%f",
1411                          (char *)&i_current_fourcc, i_current_width,
1412                          i_current_height, (10000000.0f/((float)i_current_atpf)) );
1413
1414                 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1415                     ( !i_width || i_width == i_current_width ) &&
1416                     ( !i_height || i_height == i_current_height ) &&
1417                     ( !i_AvgTimePerFrame || i_AvgTimePerFrame == i_current_atpf ) &&
1418                     mt_count < mt_max )
1419                 {
1420                     /* Pick match */
1421                     mt[mt_count++] = *p_mt;
1422                 }
1423                 else FreeMediaType( *p_mt );
1424             }
1425             else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Audio
1426                     && p_mt->formattype == FORMAT_WaveFormatEx)
1427             {
1428                 int i_current_channels =
1429                     ((WAVEFORMATEX *)p_mt->pbFormat)->nChannels;
1430                 int i_current_samplespersec =
1431                     ((WAVEFORMATEX *)p_mt->pbFormat)->nSamplesPerSec;
1432                 int i_current_bitspersample =
1433                     ((WAVEFORMATEX *)p_mt->pbFormat)->wBitsPerSample;
1434
1435                 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1436                          "accepts format: %4.4s, channels:%i, "
1437                          "samples/sec:%i bits/sample:%i",
1438                          (char *)&i_current_fourcc, i_current_channels,
1439                          i_current_samplespersec, i_current_bitspersample);
1440
1441                 if( (!i_channels || i_channels == i_current_channels) &&
1442                     (!i_samplespersec ||
1443                      i_samplespersec == i_current_samplespersec) &&
1444                     (!i_bitspersample ||
1445                      i_bitspersample == i_current_bitspersample) &&
1446                     mt_count < mt_max )
1447                 {
1448                     /* Pick  match */
1449                     mt[mt_count++] = *p_mt;
1450
1451                     /* Setup a few properties like the audio latency */
1452                     IAMBufferNegotiation *p_ambuf;
1453                     if( SUCCEEDED( p_output_pin->QueryInterface(
1454                           IID_IAMBufferNegotiation, (void **)&p_ambuf ) ) )
1455                     {
1456                         ALLOCATOR_PROPERTIES AllocProp;
1457                         AllocProp.cbAlign = -1;
1458
1459                         /* 100 ms of latency */
1460                         AllocProp.cbBuffer = i_current_channels *
1461                           i_current_samplespersec *
1462                           i_current_bitspersample / 8 / 10;
1463
1464                         AllocProp.cbPrefix = -1;
1465                         AllocProp.cBuffers = -1;
1466                         p_ambuf->SuggestAllocatorProperties( &AllocProp );
1467                         p_ambuf->Release();
1468                     }
1469                 }
1470                 else FreeMediaType( *p_mt );
1471             }
1472             else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Stream )
1473             {
1474                 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1475                          "accepts stream format: %4.4s",
1476                          (char *)&i_current_fourcc );
1477
1478                 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1479                     mt_count < mt_max )
1480                 {
1481                     /* Pick match */
1482                     mt[mt_count++] = *p_mt;
1483                     i_fourcc = i_current_fourcc;
1484                 }
1485                 else FreeMediaType( *p_mt );
1486             }
1487             else
1488             {
1489                 char *psz_type = "unknown";
1490                 if( p_mt->majortype == MEDIATYPE_Video ) psz_type = "video";
1491                 if( p_mt->majortype == MEDIATYPE_Audio ) psz_type = "audio";
1492                 if( p_mt->majortype == MEDIATYPE_Stream ) psz_type = "stream";
1493                 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: unsupported format "
1494                          "(%s %4.4s)", psz_type, (char *)&p_mt->subtype );
1495
1496                 FreeMediaType( *p_mt );
1497             }
1498             CoTaskMemFree( (PVOID)p_mt );
1499         }
1500
1501         if( !mt_count && p_enummt->Reset() == S_OK )
1502         {
1503             // VLC did not find any supported MEDIATYPE for this output pin.
1504             // However the graph builder might insert converter filters in
1505             // the graph if we use a different codec in VLC filter input pin.
1506             // however, in order to avoid nasty surprises, make use of this
1507             // facility only for known unsupported codecs.
1508
1509             while( !mt_count && p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1510             {
1511                 // the first four bytes of subtype GUID contains the codec FOURCC
1512                 const char *pfcc = (char *)&p_mt->subtype;
1513                 int i_current_fourcc = VLC_FOURCC(pfcc[0], pfcc[1], pfcc[2], pfcc[3]);
1514                 if( VLC_FOURCC('H','C','W','2') == i_current_fourcc
1515                  && p_mt->majortype == MEDIATYPE_Video )
1516                 {
1517                     // output format for 'Hauppauge WinTV PVR PCI II Capture'
1518                     // try I420 as an input format
1519                     i_current_fourcc = VLC_FOURCC('I','4','2','0');
1520                     if( !i_fourcc || i_fourcc == i_current_fourcc )
1521                     {
1522                         // return alternative media type
1523                         AM_MEDIA_TYPE mtr;
1524                         VIDEOINFOHEADER vh;
1525
1526                         mtr.majortype            = MEDIATYPE_Video;
1527                         mtr.subtype              = MEDIASUBTYPE_I420;
1528                         mtr.bFixedSizeSamples    = TRUE;
1529                         mtr.bTemporalCompression = FALSE;
1530                         mtr.pUnk                 = NULL;
1531                         mtr.formattype           = FORMAT_VideoInfo;
1532                         mtr.cbFormat             = sizeof(vh);
1533                         mtr.pbFormat             = (BYTE *)&vh;
1534
1535                         memset(&vh, 0, sizeof(vh));
1536
1537                         vh.bmiHeader.biSize   = sizeof(vh.bmiHeader);
1538                         vh.bmiHeader.biWidth  = i_width > 0 ? i_width :
1539                             ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1540                         vh.bmiHeader.biHeight = i_height > 0 ? i_height :
1541                             ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1542                         vh.bmiHeader.biPlanes      = 3;
1543                         vh.bmiHeader.biBitCount    = 12;
1544                         vh.bmiHeader.biCompression = VLC_FOURCC('I','4','2','0');
1545                         vh.bmiHeader.biSizeImage   = vh.bmiHeader.biWidth * 12 *
1546                             vh.bmiHeader.biHeight / 8;
1547                         mtr.lSampleSize            = vh.bmiHeader.biSizeImage;
1548
1549                         msg_Dbg( p_this, "EnumDeviceCaps: input pin media: using 'I420' in place of unsupported format 'HCW2'");
1550
1551                         if( SUCCEEDED(CopyMediaType(mt+mt_count, &mtr)) )
1552                             ++mt_count;
1553                     }
1554                 }
1555                 FreeMediaType( *p_mt );
1556             }
1557         }
1558
1559         p_enummt->Release();
1560         p_output_pin->Release();
1561     }
1562
1563     p_enumpins->Release();
1564     return mt_count;
1565 }
1566
1567 /*****************************************************************************
1568  * ReadCompressed: reads compressed (MPEG/DV) data from the device.
1569  *****************************************************************************
1570  * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
1571  * bytes.
1572  *****************************************************************************/
1573 static block_t *ReadCompressed( access_t *p_access )
1574 {
1575     access_sys_t   *p_sys = p_access->p_sys;
1576     dshow_stream_t *p_stream = NULL;
1577     VLCMediaSample sample;
1578
1579     /* Read 1 DV/MPEG frame (they contain the video and audio data) */
1580
1581     /* There must be only 1 elementary stream to produce a valid stream
1582      * of MPEG or DV data */
1583     p_stream = p_sys->pp_streams[0];
1584
1585     while( 1 )
1586     {
1587         if( p_access->b_die || p_access->b_error ) return 0;
1588
1589         /* Get new sample/frame from the elementary stream (blocking). */
1590         vlc_mutex_lock( &p_sys->lock );
1591
1592         if( p_stream->p_capture_filter->CustomGetPin()
1593               ->CustomGetSample( &sample ) != S_OK )
1594         {
1595             /* No data available. Wait until some data has arrived */
1596             vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1597             vlc_mutex_unlock( &p_sys->lock );
1598             continue;
1599         }
1600
1601         vlc_mutex_unlock( &p_sys->lock );
1602
1603         /*
1604          * We got our sample
1605          */
1606         block_t *p_block;
1607         uint8_t *p_data;
1608         int i_data_size = sample.p_sample->GetActualDataLength();
1609
1610         if( !i_data_size || !(p_block = block_New( p_access, i_data_size )) )
1611         {
1612             sample.p_sample->Release();
1613             continue;
1614         }
1615
1616         sample.p_sample->GetPointer( &p_data );
1617         p_access->p_libvlc->pf_memcpy( p_block->p_buffer, p_data, i_data_size );
1618         sample.p_sample->Release();
1619
1620         /* The caller got what he wanted */
1621         return p_block;
1622     }
1623
1624     return 0; /* never reached */
1625 }
1626
1627 /****************************************************************************
1628  * Demux:
1629  ****************************************************************************/
1630 static int Demux( demux_t *p_demux )
1631 {
1632     access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
1633     dshow_stream_t *p_stream = NULL;
1634     VLCMediaSample sample;
1635     int i_data_size, i_stream;
1636     uint8_t *p_data;
1637     block_t *p_block;
1638
1639     vlc_mutex_lock( &p_sys->lock );
1640
1641     /* Try to grab an audio sample (audio has a higher priority) */
1642     for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1643     {
1644         p_stream = p_sys->pp_streams[i_stream];
1645         if( p_stream->mt.majortype == MEDIATYPE_Audio &&
1646             p_stream->p_capture_filter &&
1647             p_stream->p_capture_filter->CustomGetPin()
1648               ->CustomGetSample( &sample ) == S_OK )
1649         {
1650             break;
1651         }
1652     }
1653     /* Try to grab a video sample */
1654     if( i_stream == p_sys->i_streams )
1655     {
1656         for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1657         {
1658             p_stream = p_sys->pp_streams[i_stream];
1659             if( p_stream->p_capture_filter &&
1660                 p_stream->p_capture_filter->CustomGetPin()
1661                     ->CustomGetSample( &sample ) == S_OK )
1662             {
1663                 break;
1664             }
1665         }
1666     }
1667
1668     vlc_mutex_unlock( &p_sys->lock );
1669
1670     if( i_stream == p_sys->i_streams )
1671     {
1672         /* Sleep so we do not consume all the cpu, 10ms seems
1673          * like a good value (100fps) */
1674         msleep( 10000 );
1675         return 1;
1676     }
1677
1678     /*
1679      * We got our sample
1680      */
1681     i_data_size = sample.p_sample->GetActualDataLength();
1682     sample.p_sample->GetPointer( &p_data );
1683
1684     REFERENCE_TIME i_pts, i_end_date;
1685     HRESULT hr = sample.p_sample->GetTime( &i_pts, &i_end_date );
1686     if( hr != VFW_S_NO_STOP_TIME && hr != S_OK ) i_pts = 0;
1687
1688     if( !i_pts )
1689     {
1690         if( p_stream->mt.majortype == MEDIATYPE_Video || !p_stream->b_pts )
1691         {
1692             /* Use our data timestamp */
1693             i_pts = sample.i_timestamp;
1694             p_stream->b_pts = VLC_TRUE;
1695         }
1696     }
1697
1698     i_pts /= 10; /* Dshow works with 100 nano-seconds resolution */
1699
1700 #if 0
1701     msg_Dbg( p_demux, "Read() stream: %i, size: %i, PTS: "I64Fd,
1702              i_stream, i_data_size, i_pts );
1703 #endif
1704
1705     p_block = block_New( p_demux, i_data_size );
1706     p_demux->p_libvlc->pf_memcpy( p_block->p_buffer, p_data, i_data_size );
1707     p_block->i_pts = p_block->i_dts = i_pts;
1708     sample.p_sample->Release();
1709
1710     es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_pts > 0 ? i_pts : 0 );
1711     es_out_Send( p_demux->out, p_stream->p_es, p_block );
1712
1713     return 1;
1714 }
1715
1716 /*****************************************************************************
1717  * AccessControl:
1718  *****************************************************************************/
1719 static int AccessControl( access_t *p_access, int i_query, va_list args )
1720 {
1721     vlc_bool_t   *pb_bool;
1722     int          *pi_int;
1723     int64_t      *pi_64;
1724
1725     switch( i_query )
1726     {
1727     /* */
1728     case ACCESS_CAN_SEEK:
1729     case ACCESS_CAN_FASTSEEK:
1730     case ACCESS_CAN_PAUSE:
1731     case ACCESS_CAN_CONTROL_PACE:
1732         pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
1733         *pb_bool = VLC_FALSE;
1734         break;
1735
1736     /* */
1737     case ACCESS_GET_MTU:
1738         pi_int = (int*)va_arg( args, int * );
1739         *pi_int = 0;
1740         break;
1741
1742     case ACCESS_GET_PTS_DELAY:
1743         pi_64 = (int64_t*)va_arg( args, int64_t * );
1744         *pi_64 = (int64_t)var_GetInteger( p_access, "dshow-caching" ) * 1000;
1745         break;
1746
1747     /* */
1748     case ACCESS_SET_PAUSE_STATE:
1749     case ACCESS_GET_TITLE_INFO:
1750     case ACCESS_SET_TITLE:
1751     case ACCESS_SET_SEEKPOINT:
1752     case ACCESS_SET_PRIVATE_ID_STATE:
1753         return VLC_EGENERIC;
1754
1755     default:
1756         msg_Warn( p_access, "unimplemented query in control" );
1757         return VLC_EGENERIC;
1758     }
1759
1760     return VLC_SUCCESS;
1761 }
1762
1763 /****************************************************************************
1764  * DemuxControl:
1765  ****************************************************************************/
1766 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
1767 {
1768     vlc_bool_t *pb;
1769     int64_t    *pi64;
1770
1771     switch( i_query )
1772     {
1773     /* Special for access_demux */
1774     case DEMUX_CAN_PAUSE:
1775     case DEMUX_SET_PAUSE_STATE:
1776     case DEMUX_CAN_CONTROL_PACE:
1777         pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
1778         *pb = VLC_FALSE;
1779         return VLC_SUCCESS;
1780
1781     case DEMUX_GET_PTS_DELAY:
1782         pi64 = (int64_t*)va_arg( args, int64_t * );
1783         *pi64 = (int64_t)var_GetInteger( p_demux, "dshow-caching" ) * 1000;
1784         return VLC_SUCCESS;
1785
1786     case DEMUX_GET_TIME:
1787         pi64 = (int64_t*)va_arg( args, int64_t * );
1788         *pi64 = mdate();
1789         return VLC_SUCCESS;
1790
1791     /* TODO implement others */
1792     default:
1793         return VLC_EGENERIC;
1794     }
1795
1796     return VLC_EGENERIC;
1797 }
1798
1799 /*****************************************************************************
1800  * config variable callback
1801  *****************************************************************************/
1802 static int FindDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1803                                vlc_value_t newval, vlc_value_t oldval, void * )
1804 {
1805     module_config_t *p_item;
1806     vlc_bool_t b_audio = VLC_FALSE;
1807     int i;
1808
1809     p_item = config_FindConfig( p_this, psz_name );
1810     if( !p_item ) return VLC_SUCCESS;
1811
1812     if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = VLC_TRUE;
1813
1814     /* Clear-up the current list */
1815     if( p_item->i_list )
1816     {
1817         /* Keep the 2 first entries */
1818         for( i = 2; i < p_item->i_list; i++ )
1819         {
1820             free( p_item->ppsz_list[i] );
1821             free( p_item->ppsz_list_text[i] );
1822         }
1823         /* TODO: Remove when no more needed */
1824         p_item->ppsz_list[i] = NULL;
1825         p_item->ppsz_list_text[i] = NULL;
1826     }
1827     p_item->i_list = 2;
1828
1829     /* Find list of devices */
1830     list<string> list_devices;
1831
1832     /* Initialize OLE/COM */
1833     CoInitialize( 0 );
1834
1835     FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1836
1837     /* Uninitialize OLE/COM */
1838     CoUninitialize();
1839
1840     if( !list_devices.size() ) return VLC_SUCCESS;
1841
1842     p_item->ppsz_list =
1843         (char **)realloc( p_item->ppsz_list,
1844                           (list_devices.size()+3) * sizeof(char *) );
1845     p_item->ppsz_list_text =
1846         (char **)realloc( p_item->ppsz_list_text,
1847                           (list_devices.size()+3) * sizeof(char *) );
1848
1849     list<string>::iterator iter;
1850     for( iter = list_devices.begin(), i = 2; iter != list_devices.end();
1851          iter++, i++ )
1852     {
1853         p_item->ppsz_list[i] = strdup( iter->c_str() );
1854         p_item->ppsz_list_text[i] = NULL;
1855         p_item->i_list++;
1856     }
1857     p_item->ppsz_list[i] = NULL;
1858     p_item->ppsz_list_text[i] = NULL;
1859
1860     /* Signal change to the interface */
1861     p_item->b_dirty = VLC_TRUE;
1862
1863     return VLC_SUCCESS;
1864 }
1865
1866 static int ConfigDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1867                                vlc_value_t newval, vlc_value_t oldval, void * )
1868 {
1869     module_config_t *p_item;
1870     vlc_bool_t b_audio = VLC_FALSE;
1871
1872     /* Initialize OLE/COM */
1873     CoInitialize( 0 );
1874
1875     p_item = config_FindConfig( p_this, psz_name );
1876     if( !p_item ) return VLC_SUCCESS;
1877
1878     if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = VLC_TRUE;
1879
1880     string devicename;
1881
1882     if( newval.psz_string && *newval.psz_string )
1883     {
1884         devicename = newval.psz_string;
1885     }
1886     else
1887     {
1888         /* If no device name was specified, pick the 1st one */
1889         list<string> list_devices;
1890
1891         /* Enumerate devices */
1892         FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1893         if( !list_devices.size() ) return VLC_EGENERIC;
1894         devicename = *list_devices.begin();
1895     }
1896
1897     IBaseFilter *p_device_filter =
1898         FindCaptureDevice( p_this, &devicename, NULL, b_audio );
1899     if( p_device_filter )
1900     {
1901         ShowPropertyPage( p_device_filter );
1902         p_device_filter->Release();
1903     }
1904     else
1905     {
1906         /* Uninitialize OLE/COM */
1907         CoUninitialize();
1908
1909         msg_Err( p_this, "didn't find device: %s", devicename.c_str() );
1910         return VLC_EGENERIC;
1911     }
1912
1913     /* Uninitialize OLE/COM */
1914     CoUninitialize();
1915
1916     return VLC_SUCCESS;
1917 }
1918
1919 /*****************************************************************************
1920  * Properties
1921  *****************************************************************************/
1922 static void ShowPropertyPage( IUnknown *obj )
1923 {
1924     ISpecifyPropertyPages *p_spec;
1925     CAUUID cauuid;
1926
1927     HRESULT hr = obj->QueryInterface( IID_ISpecifyPropertyPages,
1928                                       (void **)&p_spec );
1929     if( FAILED(hr) ) return;
1930
1931     if( SUCCEEDED(p_spec->GetPages( &cauuid )) )
1932     {
1933         if( cauuid.cElems > 0 )
1934         {
1935             HWND hwnd_desktop = ::GetDesktopWindow();
1936
1937             OleCreatePropertyFrame( hwnd_desktop, 30, 30, NULL, 1, &obj,
1938                                     cauuid.cElems, cauuid.pElems, 0, 0, NULL );
1939
1940             CoTaskMemFree( cauuid.pElems );
1941         }
1942         p_spec->Release();
1943     }
1944 }
1945
1946 static void ShowDeviceProperties( vlc_object_t *p_this,
1947                                   ICaptureGraphBuilder2 *p_graph,
1948                                   IBaseFilter *p_device_filter,
1949                                   vlc_bool_t b_audio )
1950 {
1951     HRESULT hr;
1952     msg_Dbg( p_this, "configuring Device Properties" );
1953
1954     /*
1955      * Video or audio capture filter page
1956      */
1957     ShowPropertyPage( p_device_filter );
1958
1959     /*
1960      * Audio capture pin
1961      */
1962     if( p_graph && b_audio )
1963     {
1964         IAMStreamConfig *p_SC;
1965
1966         msg_Dbg( p_this, "showing WDM Audio Configuration Pages" );
1967
1968         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1969                                      &MEDIATYPE_Audio, p_device_filter,
1970                                      IID_IAMStreamConfig, (void **)&p_SC );
1971         if( SUCCEEDED(hr) )
1972         {
1973             ShowPropertyPage(p_SC);
1974             p_SC->Release();
1975         }
1976
1977         /*
1978          * TV Audio filter
1979          */
1980         IAMTVAudio *p_TVA;
1981         HRESULT hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1982                                              &MEDIATYPE_Audio, p_device_filter,
1983                                              IID_IAMTVAudio, (void **)&p_TVA );
1984         if( SUCCEEDED(hr) )
1985         {
1986             ShowPropertyPage(p_TVA);
1987             p_TVA->Release();
1988         }
1989     }
1990
1991     /*
1992      * Video capture pin
1993      */
1994     if( p_graph && !b_audio )
1995     {
1996         IAMStreamConfig *p_SC;
1997
1998         msg_Dbg( p_this, "showing WDM Video Configuration Pages" );
1999
2000         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2001                                      &MEDIATYPE_Interleaved, p_device_filter,
2002                                      IID_IAMStreamConfig, (void **)&p_SC );
2003         if( FAILED(hr) )
2004         {
2005             hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2006                                          &MEDIATYPE_Video, p_device_filter,
2007                                          IID_IAMStreamConfig, (void **)&p_SC );
2008         }
2009
2010         if( FAILED(hr) )
2011         {
2012             hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2013                                          &MEDIATYPE_Stream, p_device_filter,
2014                                          IID_IAMStreamConfig, (void **)&p_SC );
2015         }
2016
2017         if( SUCCEEDED(hr) )
2018         {
2019             ShowPropertyPage(p_SC);
2020             p_SC->Release();
2021         }
2022     }
2023 }
2024
2025 static void ShowTunerProperties( vlc_object_t *p_this,
2026                                  ICaptureGraphBuilder2 *p_graph,
2027                                  IBaseFilter *p_device_filter,
2028                                  vlc_bool_t b_audio )
2029 {
2030     HRESULT hr;
2031     msg_Dbg( p_this, "configuring Tuner Properties" );
2032
2033     if( !p_graph || b_audio ) return;
2034
2035     IAMTVTuner *p_TV;
2036     hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2037                                  &MEDIATYPE_Interleaved, p_device_filter,
2038                                  IID_IAMTVTuner, (void **)&p_TV );
2039     if( FAILED(hr) )
2040     {
2041         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2042                                      &MEDIATYPE_Video, p_device_filter,
2043                                      IID_IAMTVTuner, (void **)&p_TV );
2044     }
2045
2046     if( FAILED(hr) )
2047     {
2048         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2049                                      &MEDIATYPE_Stream, p_device_filter,
2050                                      IID_IAMTVTuner, (void **)&p_TV );
2051     }
2052
2053     if( SUCCEEDED(hr) )
2054     {
2055         ShowPropertyPage(p_TV);
2056         p_TV->Release();
2057     }
2058 }
2059
2060 static void ConfigTuner( vlc_object_t *p_this, ICaptureGraphBuilder2 *p_graph,
2061                          IBaseFilter *p_device_filter )
2062 {
2063     int i_channel, i_country, i_input, i_amtuner_mode;
2064     long l_modes = 0;
2065     IAMTVTuner *p_TV;
2066     HRESULT hr;
2067
2068     if( !p_graph ) return;
2069
2070     i_channel = var_GetInteger( p_this, "dshow-tuner-channel" );
2071     i_country = var_GetInteger( p_this, "dshow-tuner-country" );
2072     i_input = var_GetInteger( p_this, "dshow-tuner-input" );
2073     i_amtuner_mode = var_GetInteger( p_this, "dshow-amtuner-mode" );
2074
2075     if( !i_channel && !i_country && !i_input ) return; /* Nothing to do */
2076
2077     msg_Dbg( p_this, "tuner config: channel %i, country %i, input type %i",
2078              i_channel, i_country, i_input );
2079
2080     hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Interleaved,
2081                                  p_device_filter, IID_IAMTVTuner,
2082                                  (void **)&p_TV );
2083     if( FAILED(hr) )
2084     {
2085         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video,
2086                                      p_device_filter, IID_IAMTVTuner,
2087                                      (void **)&p_TV );
2088     }
2089
2090     if( FAILED(hr) )
2091     {
2092         hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Stream,
2093                                      p_device_filter, IID_IAMTVTuner,
2094                                      (void **)&p_TV );
2095     }
2096
2097     if( FAILED(hr) )
2098     {
2099         msg_Dbg( p_this, "couldn't find tuner interface" );
2100         return;
2101     }
2102
2103     hr = p_TV->GetAvailableModes( &l_modes );
2104     if( SUCCEEDED(hr) && (l_modes & i_amtuner_mode) )
2105     {
2106         hr = p_TV->put_Mode( (AMTunerModeType)i_amtuner_mode );
2107     }
2108
2109     if( i_input == 1 ) p_TV->put_InputType( 0, TunerInputCable );
2110     else if( i_input == 2 ) p_TV->put_InputType( 0, TunerInputAntenna );
2111
2112     p_TV->put_CountryCode( i_country );
2113     p_TV->put_Channel( i_channel, AMTUNER_SUBCHAN_NO_TUNE,
2114                        AMTUNER_SUBCHAN_NO_TUNE );
2115     p_TV->Release();
2116 }