dshow.cpp 57.9 KB
Newer Older
Gildas Bazin's avatar
 
Gildas Bazin committed
1
/*****************************************************************************
2
 * dshow.cpp : DirectShow access module for vlc
Gildas Bazin's avatar
 
Gildas Bazin committed
3
 *****************************************************************************
Rocky Bernstein's avatar
Rocky Bernstein committed
4
 * Copyright (C) 2002, 2003 VideoLAN
5
 * $Id$
Gildas Bazin's avatar
 
Gildas Bazin committed
6
 *
7
 * Author: Gildas Bazin <gbazin@videolan.org>
Gildas Bazin's avatar
 
Gildas Bazin committed
8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
 *****************************************************************************/

/*****************************************************************************
 * Preamble
 *****************************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#include <vlc/vlc.h>
#include <vlc/input.h>
#include <vlc/vout.h>

Gildas Bazin's avatar
Gildas Bazin committed
35
#include "common.h"
Gildas Bazin's avatar
 
Gildas Bazin committed
36 37
#include "filter.h"

Gildas Bazin's avatar
 
Gildas Bazin committed
38 39 40
/*****************************************************************************
 * Access: local prototypes
 *****************************************************************************/
41 42
static int ReadCompressed( access_t *, byte_t *, int );
static int AccessControl ( access_t *, int, va_list );
Gildas Bazin's avatar
 
Gildas Bazin committed
43

Gildas Bazin's avatar
Gildas Bazin committed
44 45 46 47
static int Demux       ( demux_t * );
static int DemuxControl( demux_t *, int, va_list );

static int OpenDevice( vlc_object_t *, access_sys_t *, string, vlc_bool_t );
Gildas Bazin's avatar
 
Gildas Bazin committed
48 49
static IBaseFilter *FindCaptureDevice( vlc_object_t *, string *,
                                       list<string> *, vlc_bool_t );
50
static size_t EnumDeviceCaps( vlc_object_t *, IBaseFilter *,
51 52
                              int, int, int, int, int, int,
                              AM_MEDIA_TYPE *mt, size_t );
Gildas Bazin's avatar
Gildas Bazin committed
53 54
static bool ConnectFilters( vlc_object_t *, access_sys_t *,
                            IBaseFilter *, CaptureFilter * );
Gildas Bazin's avatar
 
Gildas Bazin committed
55 56
static int FindDevicesCallback( vlc_object_t *, char const *,
                                vlc_value_t, vlc_value_t, void * );
57 58
static int ConfigDevicesCallback( vlc_object_t *, char const *,
                                  vlc_value_t, vlc_value_t, void * );
Gildas Bazin's avatar
 
Gildas Bazin committed
59

60 61
static void ShowPropertyPage( IUnknown * );
static void ShowDeviceProperties( vlc_object_t *, ICaptureGraphBuilder2 *, 
62
                                  IBaseFilter *, vlc_bool_t );
63 64
static void ShowTunerProperties( vlc_object_t *, ICaptureGraphBuilder2 *, 
                                 IBaseFilter *, vlc_bool_t );
Gildas Bazin's avatar
 
Gildas Bazin committed
65

Gildas Bazin's avatar
 
Gildas Bazin committed
66
/*****************************************************************************
67
 * Module descriptor
Gildas Bazin's avatar
 
Gildas Bazin committed
68
 *****************************************************************************/
69 70 71 72 73
static char *ppsz_vdev[] = { "", "none" };
static char *ppsz_vdev_text[] = { N_("Default"), N_("None") };
static char *ppsz_adev[] = { "", "none" };
static char *ppsz_adev_text[] = { N_("Default"), N_("None") };

Gildas Bazin's avatar
 
Gildas Bazin committed
74 75
#define CACHING_TEXT N_("Caching value in ms")
#define CACHING_LONGTEXT N_( \
76
    "Allows you to modify the default caching value for DirectShow streams. " \
Rocky Bernstein's avatar
Rocky Bernstein committed
77
    "This value should be set in milliseconds units." )
78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95
#define VDEV_TEXT N_("Video device name")
#define VDEV_LONGTEXT N_( \
    "You can specify the name of the video device that will be used by the " \
    "DirectShow plugin. If you don't specify anything, the default device " \
    "will be used.")
#define ADEV_TEXT N_("Audio device name")
#define ADEV_LONGTEXT N_( \
    "You can specify the name of the audio device that will be used by the " \
    "DirectShow plugin. If you don't specify anything, the default device " \
    "will be used.")
#define SIZE_TEXT N_("Video size")
#define SIZE_LONGTEXT N_( \
    "You can specify the size of the video that will be displayed by the " \
    "DirectShow plugin. If you don't specify anything the default size for " \
    "your device will be used.")
#define CHROMA_TEXT N_("Video input chroma format")
#define CHROMA_LONGTEXT N_( \
    "Force the DirectShow video input to use a specific chroma format " \
96 97
    "(eg. I420 (default), RV24, etc.)")
#define CONFIG_TEXT N_("Device properties")
Gildas Bazin's avatar
 
Gildas Bazin committed
98
#define CONFIG_LONGTEXT N_( \
99 100
    "Show the properties dialog of the selected device before starting the " \
    "stream.")
101 102 103
#define TUNER_TEXT N_("Tuner properties")
#define TUNER_LONGTEXT N_( \
    "Show the tuner properties [channel selection] page." )
Gildas Bazin's avatar
 
Gildas Bazin committed
104

Gildas Bazin's avatar
Gildas Bazin committed
105 106 107
static int  CommonOpen ( vlc_object_t *, access_sys_t *, vlc_bool_t );
static void CommonClose( vlc_object_t *, access_sys_t * );

108 109 110 111 112 113
static int  AccessOpen ( vlc_object_t * );
static void AccessClose( vlc_object_t * );

static int  DemuxOpen  ( vlc_object_t * );
static void DemuxClose ( vlc_object_t * );

Gildas Bazin's avatar
 
Gildas Bazin committed
114
vlc_module_begin();
115
    set_shortname( _("DirectShow") );
Gildas Bazin's avatar
 
Gildas Bazin committed
116
    set_description( _("DirectShow input") );
117
    add_integer( "dshow-caching", (mtime_t)(0.2*CLOCK_FREQ) / 1000, NULL,
Gildas Bazin's avatar
 
Gildas Bazin committed
118
                 CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
119

120
    add_string( "dshow-vdev", NULL, NULL, VDEV_TEXT, VDEV_LONGTEXT, VLC_FALSE);
121
        change_string_list( ppsz_vdev, ppsz_vdev_text, FindDevicesCallback );
122 123
        change_action_add( FindDevicesCallback, N_("Refresh list") );
        change_action_add( ConfigDevicesCallback, N_("Configure") );
124

125
    add_string( "dshow-adev", NULL, NULL, ADEV_TEXT, ADEV_LONGTEXT, VLC_FALSE);
126
        change_string_list( ppsz_adev, ppsz_adev_text, FindDevicesCallback );
127 128
        change_action_add( FindDevicesCallback, N_("Refresh list") );
        change_action_add( ConfigDevicesCallback, N_("Configure") );
129

130
    add_string( "dshow-size", NULL, NULL, SIZE_TEXT, SIZE_LONGTEXT, VLC_FALSE);
131

132 133
    add_string( "dshow-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT,
                VLC_TRUE );
Gildas Bazin's avatar
 
Gildas Bazin committed
134 135

    add_bool( "dshow-config", VLC_FALSE, NULL, CONFIG_TEXT, CONFIG_LONGTEXT,
136
              VLC_FALSE );
Gildas Bazin's avatar
 
Gildas Bazin committed
137

138 139 140
    add_bool( "dshow-tuner", VLC_FALSE, NULL, TUNER_TEXT, TUNER_LONGTEXT,
              VLC_FALSE );

Gildas Bazin's avatar
 
Gildas Bazin committed
141
    add_shortcut( "dshow" );
Gildas Bazin's avatar
Gildas Bazin committed
142 143
    set_capability( "access_demux", 0 );
    set_callbacks( DemuxOpen, DemuxClose );
Gildas Bazin's avatar
 
Gildas Bazin committed
144 145

    add_submodule();
Gildas Bazin's avatar
Gildas Bazin committed
146
    set_description( _("DirectShow input") );
Gildas Bazin's avatar
 
Gildas Bazin committed
147
    add_shortcut( "dshow" );
Gildas Bazin's avatar
Gildas Bazin committed
148 149
    set_capability( "access2", 0 );
    set_callbacks( AccessOpen, AccessClose );
Gildas Bazin's avatar
 
Gildas Bazin committed
150 151 152

vlc_module_end();

Gildas Bazin's avatar
Gildas Bazin committed
153
/*****************************************************************************
Gildas Bazin's avatar
 
Gildas Bazin committed
154
 * DirectShow elementary stream descriptor
Gildas Bazin's avatar
Gildas Bazin committed
155
 *****************************************************************************/
Gildas Bazin's avatar
 
Gildas Bazin committed
156 157 158 159 160 161 162 163 164 165 166 167 168 169
typedef struct dshow_stream_t
{
    string          devicename;
    IBaseFilter     *p_device_filter;
    CaptureFilter   *p_capture_filter;
    AM_MEDIA_TYPE   mt;

    union
    {
      VIDEOINFOHEADER video;
      WAVEFORMATEX    audio;

    } header;

Gildas Bazin's avatar
Gildas Bazin committed
170 171 172
    int             i_fourcc;
    es_out_id_t     *p_es;

173
    vlc_bool_t      b_pts;
Gildas Bazin's avatar
 
Gildas Bazin committed
174 175 176

} dshow_stream_t;

Gildas Bazin's avatar
Gildas Bazin committed
177
/*****************************************************************************
178
 * DirectShow utility functions
Gildas Bazin's avatar
Gildas Bazin committed
179
 *****************************************************************************/
180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233
static void CreateDirectShowGraph( access_sys_t *p_sys )
{
    p_sys->i_crossbar_route_depth = 0;

    /* Create directshow filter graph */
    if( SUCCEEDED( CoCreateInstance( CLSID_FilterGraph, 0, CLSCTX_INPROC,
                       (REFIID)IID_IFilterGraph, (void **)&p_sys->p_graph) ) )
    {
        /* Create directshow capture graph builder if available */
        if( SUCCEEDED( CoCreateInstance( CLSID_CaptureGraphBuilder2, 0,
                         CLSCTX_INPROC, (REFIID)IID_ICaptureGraphBuilder2,
                         (void **)&p_sys->p_capture_graph_builder2 ) ) )
        {
            p_sys->p_capture_graph_builder2->
                SetFiltergraph((IGraphBuilder *)p_sys->p_graph);
        }

        p_sys->p_graph->QueryInterface( IID_IMediaControl,
                                        (void **)&p_sys->p_control );
    }
}

static void DeleteDirectShowGraph( access_sys_t *p_sys )
{
    DeleteCrossbarRoutes( p_sys );

    /* Remove filters from graph */
    for( int i = 0; i < p_sys->i_streams; i++ )
    {
        p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_capture_filter );
        p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_device_filter );
        p_sys->pp_streams[i]->p_capture_filter->Release();
        p_sys->pp_streams[i]->p_device_filter->Release();
    }

    /* Release directshow objects */
    if( p_sys->p_control )
    {
        p_sys->p_control->Release();
        p_sys->p_control = NULL;
    }
    if( p_sys->p_capture_graph_builder2 )
    {
        p_sys->p_capture_graph_builder2->Release();
        p_sys->p_capture_graph_builder2 = NULL;
    }

    if( p_sys->p_graph )
    {
        p_sys->p_graph->Release();
        p_sys->p_graph = NULL;
    }
}

Gildas Bazin's avatar
 
Gildas Bazin committed
234
/*****************************************************************************
Gildas Bazin's avatar
Gildas Bazin committed
235
 * CommonOpen: open direct show device
Gildas Bazin's avatar
 
Gildas Bazin committed
236
 *****************************************************************************/
Gildas Bazin's avatar
Gildas Bazin committed
237 238
static int CommonOpen( vlc_object_t *p_this, access_sys_t *p_sys,
                       vlc_bool_t b_access_demux )
Gildas Bazin's avatar
 
Gildas Bazin committed
239
{
240
    vlc_value_t  val;
Gildas Bazin's avatar
Gildas Bazin committed
241
    int i;
Gildas Bazin's avatar
 
Gildas Bazin committed
242

243
    /* Get/parse options and open device(s) */
Gildas Bazin's avatar
 
Gildas Bazin committed
244
    string vdevname, adevname;
245
    int i_width = 0, i_height = 0, i_chroma = 0;
Gildas Bazin's avatar
Gildas Bazin committed
246
    vlc_bool_t b_audio = VLC_TRUE;
Gildas Bazin's avatar
 
Gildas Bazin committed
247

248 249
    var_Create( p_this, "dshow-config", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
    var_Create( p_this, "dshow-tuner", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
250

Gildas Bazin's avatar
Gildas Bazin committed
251 252
    var_Create( p_this, "dshow-vdev", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
    var_Get( p_this, "dshow-vdev", &val );
253 254
    if( val.psz_string ) vdevname = string( val.psz_string );
    if( val.psz_string ) free( val.psz_string );
Gildas Bazin's avatar
 
Gildas Bazin committed
255

Gildas Bazin's avatar
Gildas Bazin committed
256 257
    var_Create( p_this, "dshow-adev", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
    var_Get( p_this, "dshow-adev", &val );
258 259 260
    if( val.psz_string ) adevname = string( val.psz_string );
    if( val.psz_string ) free( val.psz_string );

Gildas Bazin's avatar
Gildas Bazin committed
261 262 263 264 265 266 267 268
    static struct {char *psz_size; int  i_width; int  i_height;} size_table[] =
    { { "subqcif", 128, 96 }, { "qsif", 160, 120 }, { "qcif", 176, 144 },
      { "sif", 320, 240 }, { "cif", 352, 288 }, { "cif", 640, 480 },
      { 0, 0, 0 },
    };

    var_Create( p_this, "dshow-size", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
    var_Get( p_this, "dshow-size", &val );
269
    if( val.psz_string && *val.psz_string )
Gildas Bazin's avatar
 
Gildas Bazin committed
270
    {
Gildas Bazin's avatar
Gildas Bazin committed
271
        for( i = 0; size_table[i].psz_size; i++ )
272
        {
Gildas Bazin's avatar
Gildas Bazin committed
273 274 275 276 277 278
            if( !strcmp( val.psz_string, size_table[i].psz_size ) )
            {
                i_width = size_table[i].i_width;
                i_height = size_table[i].i_height;
                break;
            }
279
        }
Gildas Bazin's avatar
Gildas Bazin committed
280
        if( !size_table[i].psz_size ) /* Try to parse "WidthxHeight" */
281 282 283 284
        {
            char *psz_parser;
            i_width = strtol( val.psz_string, &psz_parser, 0 );
            if( *psz_parser == 'x' || *psz_parser == 'X')
Gildas Bazin's avatar
 
Gildas Bazin committed
285
            {
286
                i_height = strtol( psz_parser + 1, &psz_parser, 0 );
Gildas Bazin's avatar
 
Gildas Bazin committed
287
            }
Gildas Bazin's avatar
Gildas Bazin committed
288
            msg_Dbg( p_this, "Width x Height %dx%d", i_width, i_height );
Gildas Bazin's avatar
 
Gildas Bazin committed
289 290
        }
    }
291
    if( val.psz_string ) free( val.psz_string );
Gildas Bazin's avatar
 
Gildas Bazin committed
292

Gildas Bazin's avatar
Gildas Bazin committed
293 294
    var_Create( p_this, "dshow-chroma", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
    var_Get( p_this, "dshow-chroma", &val );
295 296 297 298 299 300
    if( val.psz_string && strlen( val.psz_string ) >= 4 )
    {
        i_chroma = VLC_FOURCC( val.psz_string[0], val.psz_string[1],
                               val.psz_string[2], val.psz_string[3] );
    }
    if( val.psz_string ) free( val.psz_string );
Gildas Bazin's avatar
 
Gildas Bazin committed
301

Gildas Bazin's avatar
Gildas Bazin committed
302
    var_Create( p_this, "dshow-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
Gildas Bazin's avatar
 
Gildas Bazin committed
303 304

    /* Initialize OLE/COM */
305
    CoInitialize( 0 );
Gildas Bazin's avatar
 
Gildas Bazin committed
306

Gildas Bazin's avatar
 
Gildas Bazin committed
307 308
    /* Initialize some data */
    p_sys->i_streams = 0;
309
    p_sys->pp_streams = 0;
Gildas Bazin's avatar
 
Gildas Bazin committed
310 311 312
    p_sys->i_width = i_width;
    p_sys->i_height = i_height;
    p_sys->i_chroma = i_chroma;
Gildas Bazin's avatar
 
Gildas Bazin committed
313

314 315 316
    p_sys->p_graph = NULL;
    p_sys->p_capture_graph_builder2 = NULL;
    p_sys->p_control = NULL;
Gildas Bazin's avatar
 
Gildas Bazin committed
317

318 319 320
    vlc_mutex_init( p_this, &p_sys->lock );
    vlc_cond_init( p_this, &p_sys->wait );

321 322
    /* Build directshow graph */
    CreateDirectShowGraph( p_sys );
Gildas Bazin's avatar
 
Gildas Bazin committed
323

Gildas Bazin's avatar
Gildas Bazin committed
324
    if( OpenDevice( p_this, p_sys, vdevname, 0 ) != VLC_SUCCESS )
Gildas Bazin's avatar
 
Gildas Bazin committed
325
    {
Gildas Bazin's avatar
Gildas Bazin committed
326
        msg_Err( p_this, "can't open video");
Gildas Bazin's avatar
 
Gildas Bazin committed
327
    }
Gildas Bazin's avatar
Gildas Bazin committed
328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343
    else
    {
        /* Check if we can handle the demuxing ourselves or need to spawn
         * a demuxer module */
        dshow_stream_t *p_stream = p_sys->pp_streams[p_sys->i_streams-1];

        if( p_stream->mt.majortype == MEDIATYPE_Video )
        {
            if( /* Raw DV stream */
                p_stream->i_fourcc == VLC_FOURCC('d','v','s','l') ||
                p_stream->i_fourcc == VLC_FOURCC('d','v','s','d') ||
                p_stream->i_fourcc == VLC_FOURCC('d','v','h','d') ||
                /* Raw MPEG video stream */
                p_stream->i_fourcc == VLC_FOURCC('m','p','2','v') )
            {
                b_audio = VLC_FALSE;
344 345 346 347 348 349

                if( b_access_demux )
                {
                    /* Let the access (only) take care of that */
                  return VLC_EGENERIC;
                }
Gildas Bazin's avatar
Gildas Bazin committed
350 351
            }
        }
Gildas Bazin's avatar
 
Gildas Bazin committed
352

353 354 355 356 357 358 359 360 361 362
        if( p_stream->mt.majortype == MEDIATYPE_Stream )
        {
            b_audio = VLC_FALSE;

            if( b_access_demux )
            {
                /* Let the access (only) take care of that */
                return VLC_EGENERIC;
            }
        }
Gildas Bazin's avatar
Gildas Bazin committed
363 364 365
    }

    if( b_audio && OpenDevice( p_this, p_sys, adevname, 1 ) != VLC_SUCCESS )
Gildas Bazin's avatar
 
Gildas Bazin committed
366
    {
Gildas Bazin's avatar
Gildas Bazin committed
367
        msg_Err( p_this, "can't open audio");
Gildas Bazin's avatar
 
Gildas Bazin committed
368
    }
Gildas Bazin's avatar
Gildas Bazin committed
369

370
    for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
Gildas Bazin's avatar
 
Gildas Bazin committed
371
    {
372 373 374 375 376
        IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
        LONG VideoInputIndex = p_sys->crossbar_routes[i].VideoInputIndex;
        LONG VideoOutputIndex = p_sys->crossbar_routes[i].VideoOutputIndex;
        LONG AudioInputIndex = p_sys->crossbar_routes[i].AudioInputIndex;
        LONG AudioOutputIndex = p_sys->crossbar_routes[i].AudioOutputIndex;
Gildas Bazin's avatar
 
Gildas Bazin committed
377

378 379
        if( SUCCEEDED(pXbar->Route(VideoOutputIndex, VideoInputIndex)) )
        {
Gildas Bazin's avatar
Gildas Bazin committed
380
            msg_Dbg( p_this, "Crossbar at depth %d, Routed video "
381
                     "ouput %ld to video input %ld", i, VideoOutputIndex,
382
                     VideoInputIndex );
Gildas Bazin's avatar
 
Gildas Bazin committed
383

384 385 386 387 388
            if( AudioOutputIndex != -1 && AudioInputIndex != -1 )
            {
                if( SUCCEEDED( pXbar->Route(AudioOutputIndex,
                                            AudioInputIndex)) )
                {
Gildas Bazin's avatar
Gildas Bazin committed
389
                    msg_Dbg(p_this, "Crossbar at depth %d, Routed audio "
390
                            "ouput %ld to audio input %ld", i,
391 392 393 394 395 396
                            AudioOutputIndex, AudioInputIndex );
                }
            }
        }
    }

397 398 399 400
    /*
    ** Show properties pages from other filters in graph
    */
    var_Get( p_this, "dshow-config", &val );
401
    if( val.b_bool )
402 403 404 405 406
    {
        for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
        {
            IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
            IBaseFilter *p_XF;
407 408 409

            if( SUCCEEDED( pXbar->QueryInterface( IID_IBaseFilter,
                                                  (void **)&p_XF ) ) )
410 411 412 413
            {
                ShowPropertyPage( p_XF );
                p_XF->Release();
            }
414
        }
415 416
    }

Gildas Bazin's avatar
 
Gildas Bazin committed
417 418
    /* Initialize some data */
    p_sys->i_current_stream = 0;
419

Gildas Bazin's avatar
Gildas Bazin committed
420
    if( !p_sys->i_streams ) return VLC_EGENERIC;
Gildas Bazin's avatar
 
Gildas Bazin committed
421

Gildas Bazin's avatar
 
Gildas Bazin committed
422 423 424 425
    return VLC_SUCCESS;
}

/*****************************************************************************
Gildas Bazin's avatar
Gildas Bazin committed
426
 * DemuxOpen: open direct show device as an access_demux module
Gildas Bazin's avatar
 
Gildas Bazin committed
427
 *****************************************************************************/
Gildas Bazin's avatar
Gildas Bazin committed
428
static int DemuxOpen( vlc_object_t *p_this )
Gildas Bazin's avatar
 
Gildas Bazin committed
429
{
Gildas Bazin's avatar
Gildas Bazin committed
430 431 432
    demux_t      *p_demux = (demux_t *)p_this;
    access_sys_t *p_sys;
    int i;
Gildas Bazin's avatar
 
Gildas Bazin committed
433

Gildas Bazin's avatar
Gildas Bazin committed
434 435 436
    p_sys = (access_sys_t *)malloc( sizeof( access_sys_t ) );
    memset( p_sys, 0, sizeof( access_sys_t ) );
    p_demux->p_sys = (demux_sys_t *)p_sys;
Gildas Bazin's avatar
 
Gildas Bazin committed
437

Gildas Bazin's avatar
Gildas Bazin committed
438 439 440 441 442
    if( CommonOpen( p_this, p_sys, VLC_TRUE ) != VLC_SUCCESS )
    {
        CommonClose( p_this, p_sys );
        return VLC_EGENERIC;
    }
443

Gildas Bazin's avatar
Gildas Bazin committed
444 445 446
    /* Everything is ready. Let's rock baby */
    msg_Dbg( p_this, "Playing...");
    p_sys->p_control->Run();
447

Gildas Bazin's avatar
Gildas Bazin committed
448 449 450 451 452 453 454
    p_demux->pf_demux   = Demux;
    p_demux->pf_control = DemuxControl;
    p_demux->info.i_update = 0;
    p_demux->info.i_title = 0;
    p_demux->info.i_seekpoint = 0;

    for( i = 0; i < p_sys->i_streams; i++ )
455
    {
Gildas Bazin's avatar
Gildas Bazin committed
456 457
        dshow_stream_t *p_stream = p_sys->pp_streams[i];
        es_format_t fmt;
458

Gildas Bazin's avatar
Gildas Bazin committed
459 460 461
        if( p_stream->mt.majortype == MEDIATYPE_Video )
        {
            es_format_Init( &fmt, VIDEO_ES, p_stream->i_fourcc );
462

Gildas Bazin's avatar
Gildas Bazin committed
463 464 465
            fmt.video.i_width  = p_stream->header.video.bmiHeader.biWidth;
            fmt.video.i_height = p_stream->header.video.bmiHeader.biHeight;
            fmt.video.i_aspect = 4 * VOUT_ASPECT_FACTOR / 3;
466

Gildas Bazin's avatar
Gildas Bazin committed
467 468 469 470 471
            if( !p_stream->header.video.bmiHeader.biCompression )
            {
                /* RGB DIB are coded from bottom to top */
                fmt.video.i_height = (unsigned int)(-(int)fmt.video.i_height);
            }
472

Gildas Bazin's avatar
Gildas Bazin committed
473 474 475 476
            /* Setup rgb mask for RGB formats */
            if( p_stream->i_fourcc == VLC_FOURCC('R','V','2','4') )
            {
                /* This is in BGR format */
477 478 479
                fmt.video.i_bmask = 0x00ff0000;
                fmt.video.i_gmask = 0x0000ff00;
                fmt.video.i_rmask = 0x000000ff;
Gildas Bazin's avatar
Gildas Bazin committed
480 481 482 483 484
            }
        }
        else if( p_stream->mt.majortype == MEDIATYPE_Audio )
        {
            es_format_Init( &fmt, AUDIO_ES, p_stream->i_fourcc );
485

Gildas Bazin's avatar
Gildas Bazin committed
486 487 488 489 490 491 492 493 494 495
            fmt.audio.i_channels = p_stream->header.audio.nChannels;
            fmt.audio.i_rate = p_stream->header.audio.nSamplesPerSec;
            fmt.audio.i_bitspersample = p_stream->header.audio.wBitsPerSample;
            fmt.audio.i_blockalign = fmt.audio.i_channels *
                fmt.audio.i_bitspersample / 8;
            fmt.i_bitrate = fmt.audio.i_channels * fmt.audio.i_rate *
                fmt.audio.i_bitspersample;
        }

        p_stream->p_es = es_out_Add( p_demux->out, &fmt );
496
    }
Gildas Bazin's avatar
Gildas Bazin committed
497

498
    return VLC_SUCCESS;
499 500
}

Gildas Bazin's avatar
Gildas Bazin committed
501 502 503 504
/*****************************************************************************
 * AccessOpen: open direct show device as an access module
 *****************************************************************************/
static int AccessOpen( vlc_object_t *p_this )
505
{
Gildas Bazin's avatar
Gildas Bazin committed
506 507
    access_t     *p_access = (access_t*)p_this;
    access_sys_t *p_sys;
508

Gildas Bazin's avatar
Gildas Bazin committed
509 510
    p_access->p_sys = p_sys = (access_sys_t *)malloc( sizeof( access_sys_t ) );
    memset( p_sys, 0, sizeof( access_sys_t ) );
511

512
    if( CommonOpen( p_this, p_sys, VLC_FALSE ) != VLC_SUCCESS )
Gildas Bazin's avatar
Gildas Bazin committed
513 514 515 516
    {
        CommonClose( p_this, p_sys );
        return VLC_EGENERIC;
    }
517

Gildas Bazin's avatar
Gildas Bazin committed
518
    dshow_stream_t *p_stream = p_sys->pp_streams[0];
519

Gildas Bazin's avatar
Gildas Bazin committed
520 521
    /* Check if we need to force demuxers */
    if( !p_access->psz_demux || !*p_access->psz_demux )
Gildas Bazin's avatar
 
Gildas Bazin committed
522
    {
Gildas Bazin's avatar
Gildas Bazin committed
523 524 525
        if( p_stream->i_fourcc == VLC_FOURCC('d','v','s','l') ||
            p_stream->i_fourcc == VLC_FOURCC('d','v','s','d') ||
            p_stream->i_fourcc == VLC_FOURCC('d','v','h','d') )
526
        {
Gildas Bazin's avatar
Gildas Bazin committed
527 528 529 530 531
            p_access->psz_demux = strdup( "rawdv" );
        }
        else if( p_stream->i_fourcc == VLC_FOURCC('m','p','2','v') )
        {
            p_access->psz_demux = "mpgv";
532
        }
Gildas Bazin's avatar
 
Gildas Bazin committed
533
    }
Gildas Bazin's avatar
 
Gildas Bazin committed
534

Gildas Bazin's avatar
Gildas Bazin committed
535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552
    /* Setup Access */
    p_access->pf_read = ReadCompressed;
    p_access->pf_block = NULL;
    p_access->pf_control = AccessControl;
    p_access->pf_seek = NULL;
    p_access->info.i_update = 0;
    p_access->info.i_size = 0;
    p_access->info.i_pos = 0;
    p_access->info.b_eof = VLC_FALSE;
    p_access->info.i_title = 0;
    p_access->info.i_seekpoint = 0;
    p_access->p_sys = p_sys;

    /* Everything is ready. Let's rock baby */
    msg_Dbg( p_this, "Playing...");
    p_sys->p_control->Run();

    return VLC_SUCCESS;
553
}
Gildas Bazin's avatar
 
Gildas Bazin committed
554

Gildas Bazin's avatar
Gildas Bazin committed
555 556 557 558
/*****************************************************************************
 * CommonClose: close device
 *****************************************************************************/
static void CommonClose( vlc_object_t *p_this, access_sys_t *p_sys )
559
{
Gildas Bazin's avatar
Gildas Bazin committed
560
    msg_Dbg( p_this, "Releasing DirectShow");
561

Gildas Bazin's avatar
Gildas Bazin committed
562
    DeleteDirectShowGraph( p_sys );
563

Gildas Bazin's avatar
Gildas Bazin committed
564 565
    /* Uninitialize OLE/COM */
    CoUninitialize();
566

Gildas Bazin's avatar
Gildas Bazin committed
567
    /* Remove filters from graph */
568 569
    for( int i = 0; i < p_sys->i_streams; i++ ) delete p_sys->pp_streams[i];
    if( p_sys->i_streams ) free( p_sys->pp_streams );
Gildas Bazin's avatar
Gildas Bazin committed
570 571 572

    vlc_mutex_destroy( &p_sys->lock );
    vlc_cond_destroy( &p_sys->wait );
573

Gildas Bazin's avatar
Gildas Bazin committed
574
    free( p_sys );
575 576
}

Gildas Bazin's avatar
Gildas Bazin committed
577 578 579 580
/*****************************************************************************
 * AccessClose: close device
 *****************************************************************************/
static void AccessClose( vlc_object_t *p_this )
581
{
Gildas Bazin's avatar
Gildas Bazin committed
582 583
    access_t     *p_access = (access_t *)p_this;
    access_sys_t *p_sys    = p_access->p_sys;
584

Gildas Bazin's avatar
Gildas Bazin committed
585 586
    /* Stop capturing stuff */
    p_sys->p_control->Stop();
587

Gildas Bazin's avatar
Gildas Bazin committed
588 589
    CommonClose( p_this, p_sys );
}
590

Gildas Bazin's avatar
Gildas Bazin committed
591 592 593 594 595 596 597
/*****************************************************************************
 * DemuxClose: close device
 *****************************************************************************/
static void DemuxClose( vlc_object_t *p_this )
{
    demux_t      *p_demux = (demux_t *)p_this;
    access_sys_t *p_sys   = (access_sys_t *)p_demux->p_sys;
598

Gildas Bazin's avatar
Gildas Bazin committed
599 600
    /* Stop capturing stuff */
    p_sys->p_control->Stop();
601

Gildas Bazin's avatar
Gildas Bazin committed
602
    CommonClose( p_this, p_sys );
Gildas Bazin's avatar
 
Gildas Bazin committed
603 604 605 606 607
}

/****************************************************************************
 * ConnectFilters
 ****************************************************************************/
Gildas Bazin's avatar
Gildas Bazin committed
608 609
static bool ConnectFilters( vlc_object_t *p_this, access_sys_t *p_sys,
                            IBaseFilter *p_filter,
610
                            CaptureFilter *p_capture_filter )
Gildas Bazin's avatar
 
Gildas Bazin committed
611
{
612
    CapturePin *p_input_pin = p_capture_filter->CustomGetPin();
Gildas Bazin's avatar
 
Gildas Bazin committed
613

614
    AM_MEDIA_TYPE mediaType = p_input_pin->CustomGetMediaType();
Gildas Bazin's avatar
 
Gildas Bazin committed
615

616
    if( p_sys->p_capture_graph_builder2 )
Gildas Bazin's avatar
 
Gildas Bazin committed
617
    {
618
        if( FAILED(p_sys->p_capture_graph_builder2->
Gildas Bazin's avatar
Gildas Bazin committed
619 620
                RenderStream( &PIN_CATEGORY_CAPTURE, &mediaType.majortype,
                              p_filter, 0, (IBaseFilter *)p_capture_filter )) )
621 622 623
        {
            return false;
        }
624

625 626 627
        // Sort out all the possible video inputs
        // The class needs to be given the capture filters ANALOGVIDEO input pin
        IEnumPins *pins = 0;
628 629
        if( ( mediaType.majortype == MEDIATYPE_Video ||
              mediaType.majortype == MEDIATYPE_Stream ) &&
630
            SUCCEEDED(p_filter->EnumPins(&pins)) )
Gildas Bazin's avatar
 
Gildas Bazin committed
631
        {
632 633 634 635 636 637 638 639
            IPin        *pP = 0;
            ULONG        n;
            PIN_INFO     pinInfo;
            BOOL         Found = FALSE;
            IKsPropertySet *pKs=0;
            GUID guid;
            DWORD dw;

Gildas Bazin's avatar
Gildas Bazin committed
640
            while( !Found && ( S_OK == pins->Next(1, &pP, &n) ) )
641
            {
Gildas Bazin's avatar
Gildas Bazin committed
642
                if( S_OK == pP->QueryPinInfo(&pinInfo) )
643
                {
Gildas Bazin's avatar
Gildas Bazin committed
644 645 646 647
                    // is this pin an ANALOGVIDEOIN input pin?
                    if( pinInfo.dir == PINDIR_INPUT &&
                        pP->QueryInterface( IID_IKsPropertySet,
                                            (void **)&pKs ) == S_OK )
648
                    {
Gildas Bazin's avatar
Gildas Bazin committed
649 650 651
                        if( pKs->Get( AMPROPSETID_Pin,
                                      AMPROPERTY_PIN_CATEGORY, NULL, 0,
                                      &guid, sizeof(GUID), &dw ) == S_OK )
652
                        {
Gildas Bazin's avatar
Gildas Bazin committed
653
                            if( guid == PIN_CATEGORY_ANALOGVIDEOIN )
654
                            {
Gildas Bazin's avatar
Gildas Bazin committed
655
                                // recursively search crossbar routes
656
                                FindCrossbarRoutes( p_this, p_sys, pP, 0 );
Gildas Bazin's avatar
Gildas Bazin committed
657 658
                                // found it
                                Found = TRUE;
659 660
                            }
                        }
Gildas Bazin's avatar
Gildas Bazin committed
661
                        pKs->Release();
662 663 664 665 666 667
                    }
                    pinInfo.pFilter->Release();
                }
                pP->Release();
            }
            pins->Release();
Gildas Bazin's avatar
 
Gildas Bazin committed
668
        }
669
        return true;
Gildas Bazin's avatar
 
Gildas Bazin committed
670
    }
671 672 673 674
    else
    {
        IEnumPins *p_enumpins;
        IPin *p_pin;
Gildas Bazin's avatar
 
Gildas Bazin committed
675

676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696
        if( S_OK != p_filter->EnumPins( &p_enumpins ) ) return false;

        while( S_OK == p_enumpins->Next( 1, &p_pin, NULL ) )
        {
            PIN_DIRECTION pin_dir;
            p_pin->QueryDirection( &pin_dir );

            if( pin_dir == PINDIR_OUTPUT &&
                p_sys->p_graph->ConnectDirect( p_pin, (IPin *)p_input_pin,
                                               0 ) == S_OK )
            {
                p_pin->Release();
                p_enumpins->Release();
                return true;
            }
            p_pin->Release();
        }

        p_enumpins->Release();
        return false;
    }
Gildas Bazin's avatar
 
Gildas Bazin committed
697 698
}

699
/*
Gildas Bazin's avatar
Gildas Bazin committed
700 701 702
 * get fourcc priority from arbritary preference, the higher the better
 */
static int GetFourCCPriority( int i_fourcc )
703 704 705
{
    switch( i_fourcc )
    {
Gildas Bazin's avatar
Gildas Bazin committed
706 707 708 709 710 711 712 713 714 715 716 717
    case VLC_FOURCC('I','4','2','0'):
    case VLC_FOURCC('f','l','3','2'):
        return 9;
    case VLC_FOURCC('Y','V','1','2'):
    case VLC_FOURCC('a','r','a','w'):
        return 8;
    case VLC_FOURCC('R','V','2','4'):
        return 7;
    case VLC_FOURCC('Y','U','Y','2'):
    case VLC_FOURCC('R','V','3','2'):
    case VLC_FOURCC('R','G','B','A'):
        return 6;
718
    }
Gildas Bazin's avatar
Gildas Bazin committed
719

720 721 722 723 724
    return 0;
}

#define MAX_MEDIA_TYPES 32

Gildas Bazin's avatar
Gildas Bazin committed
725 726
static int OpenDevice( vlc_object_t *p_this, access_sys_t *p_sys,
                       string devicename, vlc_bool_t b_audio )
Gildas Bazin's avatar
 
Gildas Bazin committed
727
{
728 729 730
    /* See if device is already opened */
    for( int i = 0; i < p_sys->i_streams; i++ )
    {
Gildas Bazin's avatar
Gildas Bazin committed
731 732
        if( devicename.size() &&
            p_sys->pp_streams[i]->devicename == devicename )
733 734 735 736 737 738
        {
            /* Already opened */
            return VLC_SUCCESS;
        }
    }

Gildas Bazin's avatar
 
Gildas Bazin committed
739 740
    list<string> list_devices;

741
    /* Enumerate devices and display their names */
Gildas Bazin's avatar
Gildas Bazin committed
742
    FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
Gildas Bazin's avatar
 
Gildas Bazin committed
743

744 745 746
    if( !list_devices.size() )
        return VLC_EGENERIC;

Gildas Bazin's avatar
 
Gildas Bazin committed
747 748
    list<string>::iterator iter;
    for( iter = list_devices.begin(); iter != list_devices.end(); iter++ )
Gildas Bazin's avatar
Gildas Bazin committed
749
        msg_Dbg( p_this, "found device: %s", iter->c_str() );
Gildas Bazin's avatar
 
Gildas Bazin committed
750 751 752 753 754 755 756 757

    /* If no device name was specified, pick the 1st one */
    if( devicename.size() == 0 )
    {
        devicename = *list_devices.begin();
    }

    // Use the system device enumerator and class enumerator to find
Gildas Bazin's avatar
 
Gildas Bazin committed
758 759
    // a capture/preview device, such as a desktop USB video camera.
    IBaseFilter *p_device_filter =
Gildas Bazin's avatar
Gildas Bazin committed
760
        FindCaptureDevice( p_this, &devicename, 0, b_audio );
Gildas Bazin's avatar
 
Gildas Bazin committed
761
    if( p_device_filter )
Gildas Bazin's avatar
Gildas Bazin committed
762
        msg_Dbg( p_this, "using device: %s", devicename.c_str() );
Gildas Bazin's avatar
 
Gildas Bazin committed
763 764
    else
    {
Gildas Bazin's avatar
Gildas Bazin committed
765
        msg_Err( p_this, "can't use device: %s, unsupported device type",
766
                 devicename.c_str() );
Gildas Bazin's avatar
 
Gildas Bazin committed
767 768
        return VLC_EGENERIC;
    }
Gildas Bazin's avatar
 
Gildas Bazin committed
769

770 771 772 773 774 775 776 777 778 779 780
    // Retreive acceptable media types supported by device
    AM_MEDIA_TYPE media_types[MAX_MEDIA_TYPES];
    size_t media_count =
        EnumDeviceCaps( p_this, p_device_filter, p_sys->i_chroma,
                        p_sys->i_width, p_sys->i_height,
                        0, 0, 0, media_types, MAX_MEDIA_TYPES );

    /* Find out if the pin handles MEDIATYPE_Stream, in which case we
     * won't add a prefered media type as this doesn't seem to work well
     * -- to investigate. */
    vlc_bool_t b_stream_type = VLC_FALSE;
781
    for( size_t i = 0; i < media_count; i++ )
782 783 784 785 786 787 788 789
    {
        if( media_types[i].majortype == MEDIATYPE_Stream )
        {
            b_stream_type = VLC_TRUE;
            break;
        }
    }

790 791
    size_t mt_count = 0;
    AM_MEDIA_TYPE *mt = NULL;
Gildas Bazin's avatar
Gildas Bazin committed
792

793
    if( !b_stream_type && !b_audio )
Gildas Bazin's avatar
Gildas Bazin committed
794
    {
795
        // Insert prefered video media type
796
        AM_MEDIA_TYPE mtr;
Gildas Bazin's avatar
Gildas Bazin committed
797 798 799 800 801 802 803 804 805 806
        VIDEOINFOHEADER vh;

        mtr.majortype            = MEDIATYPE_Video;
        mtr.subtype              = MEDIASUBTYPE_I420;
        mtr.bFixedSizeSamples    = TRUE;
        mtr.bTemporalCompression = FALSE;
        mtr.pUnk                 = NULL;
        mtr.formattype           = FORMAT_VideoInfo;
        mtr.cbFormat             = sizeof(vh);
        mtr.pbFormat             = (BYTE *)&vh;
807 808 809

        memset(&vh, 0, sizeof(vh));

Gildas Bazin's avatar
Gildas Bazin committed
810
        vh.bmiHeader.biSize   = sizeof(vh.bmiHeader);
811
        vh.bmiHeader.biWidth  = p_sys->i_width > 0 ? p_sys->i_width : 320;
Gildas Bazin's avatar
Gildas Bazin committed
812
        vh.bmiHeader.biHeight = p_sys->i_height > 0 ? p_sys->i_height : 240;
813
        vh.bmiHeader.biPlanes      = 3;
Gildas Bazin's avatar
Gildas Bazin committed
814 815
        vh.bmiHeader.biBitCount    = 12;
        vh.bmiHeader.biCompression = VLC_FOURCC('I','4','2','0');
816 817 818
        vh.bmiHeader.biSizeImage   = vh.bmiHeader.biWidth * 12 *
            vh.bmiHeader.biHeight / 8;
        mtr.lSampleSize            = vh.bmiHeader.biSizeImage;
819

Gildas Bazin's avatar
Gildas Bazin committed
820 821 822
        mt_count = 1;
        mt = (AM_MEDIA_TYPE *)malloc( sizeof(AM_MEDIA_TYPE)*mt_count );
        CopyMediaType(mt, &mtr);
823
    }
824
    else if( !b_stream_type )
Gildas Bazin's avatar
Gildas Bazin committed
825
    {
826
        // Insert prefered audio media type
827
        AM_MEDIA_TYPE mtr;
Gildas Bazin's avatar
Gildas Bazin committed
828 829 830 831 832 833 834 835 836 837 838
        WAVEFORMATEX wf;

        mtr.majortype            = MEDIATYPE_Audio;
        mtr.subtype              = MEDIASUBTYPE_PCM;
        mtr.bFixedSizeSamples    = TRUE;
        mtr.bTemporalCompression = FALSE;
        mtr.lSampleSize          = 0;
        mtr.pUnk                 = NULL;
        mtr.formattype           = FORMAT_WaveFormatEx;
        mtr.cbFormat             = sizeof(wf);
        mtr.pbFormat             = (BYTE *)&wf;
839 840 841

        memset(&wf, 0, sizeof(wf));

Gildas Bazin's avatar
Gildas Bazin committed
842 843 844 845 846 847 848
        wf.wFormatTag = WAVE_FORMAT_PCM;
        wf.nChannels = 2;
        wf.nSamplesPerSec = 44100;
        wf.wBitsPerSample = 16;
        wf.nBlockAlign = wf.nSamplesPerSec * wf.wBitsPerSample / 8;
        wf.nAvgBytesPerSec = wf.nSamplesPerSec * wf.nBlockAlign;
        wf.cbSize = 0;
849

Gildas Bazin's avatar
Gildas Bazin committed
850 851 852
        mt_count = 1;
        mt = (AM_MEDIA_TYPE *)malloc( sizeof(AM_MEDIA_TYPE)*mt_count );
        CopyMediaType(mt, &mtr);
853
    }
Gildas Bazin's avatar
 
Gildas Bazin committed
854

855 856
    if( media_count > 0 )
    {
857 858
        mt = (AM_MEDIA_TYPE *)realloc( mt, sizeof(AM_MEDIA_TYPE) *
                                       (mt_count + media_count) );
859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889

        // Order and copy returned media types according to arbitrary
        // fourcc priority
        for( size_t c = 0; c < media_count; c++ )
        {
            int slot_priority =
                GetFourCCPriority(GetFourCCFromMediaType(media_types[c]));
            size_t slot_copy = c;
            for( size_t d = c+1; d < media_count; d++ )
            {
                int priority =
                    GetFourCCPriority(GetFourCCFromMediaType(media_types[d]));
                if( priority > slot_priority )
                {
                    slot_priority = priority;
                    slot_copy = d;
                }
            }
            if( slot_copy != c )
            {
                mt[c+mt_count] = media_types[slot_copy];
                media_types[slot_copy] = media_types[c];
            }
            else
            {
                mt[c+mt_count] = media_types[c];
            }
        }
        mt_count += media_count;
    }

Gildas Bazin's avatar
 
Gildas Bazin committed
890
    /* Create and add our capture filter */
891
    CaptureFilter *p_capture_filter =
Gildas Bazin's avatar
Gildas Bazin committed
892
        new CaptureFilter( p_this, p_sys, mt, mt_count );
Gildas Bazin's avatar
 
Gildas Bazin committed
893
    p_sys->p_graph->AddFilter( p_capture_filter, 0 );
Gildas Bazin's avatar
 
Gildas Bazin committed
894 895 896

    /* Add the device filter to the graph (seems necessary with VfW before
     * accessing pin attributes). */
Gildas Bazin's avatar
 
Gildas Bazin committed
897
    p_sys->p_graph->AddFilter( p_device_filter, 0 );
Gildas Bazin's avatar
 
Gildas Bazin committed
898

Gildas Bazin's avatar
 
Gildas Bazin committed
899
    /* Attempt to connect one of this device's capture output pins */
Gildas Bazin's avatar
Gildas Bazin committed
900 901
    msg_Dbg( p_this, "connecting filters" );
    if( ConnectFilters( p_this, p_sys, p_device_filter, p_capture_filter ) )
Gildas Bazin's avatar
 
Gildas Bazin committed
902 903
    {
        /* Success */
Gildas Bazin's avatar
Gildas Bazin committed
904
        msg_Dbg( p_this, "filters connected successfully !" );
905

Gildas Bazin's avatar
 
Gildas Bazin committed
906
        dshow_stream_t dshow_stream;
907
        dshow_stream.b_pts = VLC_FALSE;
Gildas Bazin's avatar
Gildas Bazin committed
908
        dshow_stream.p_es = 0;
909 910 911
        dshow_stream.mt =
            p_capture_filter->CustomGetPin()->CustomGetMediaType();

912 913
        /* Show Device properties. Done here so the VLC stream is setup with
         * the proper parameters. */
914
        vlc_value_t val;
Gildas Bazin's avatar
Gildas Bazin committed
915
        var_Get( p_this, "dshow-config", &val );
916
        if( val.b_bool )
917
        {
918 919
            ShowDeviceProperties( p_this, p_sys->p_capture_graph_builder2,
                                  p_device_filter, b_audio );
920
        }
921 922 923 924 925 926 927 928

        var_Get( p_this, "dshow-tuner", &val );
        if( val.b_bool )
        {
            ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
                                 p_device_filter, b_audio );
        }

Gildas Bazin's avatar
 
Gildas Bazin committed
929 930
        dshow_stream.mt =
            p_capture_filter->CustomGetPin()->CustomGetMediaType();
Gildas Bazin's avatar
 
Gildas Bazin committed
931

Gildas Bazin's avatar
Gildas Bazin committed
932 933
        dshow_stream.i_fourcc = GetFourCCFromMediaType( dshow_stream.mt );
        if( dshow_stream.i_fourcc )
934 935 936 937 938
        {
            if( dshow_stream.mt.majortype == MEDIATYPE_Video )
            {
                dshow_stream.header.video =
                    *(VIDEOINFOHEADER *)dshow_stream.mt.pbFormat;
Gildas Bazin's avatar
Gildas Bazin committed
939 940 941
                msg_Dbg( p_this, "MEDIATYPE_Video" );
                msg_Dbg( p_this, "selected video pin accepts format: %4.4s",
                         (char *)&dshow_stream.i_fourcc);
942 943 944 945 946
            }
            else if( dshow_stream.mt.majortype == MEDIATYPE_Audio )
            {
                dshow_stream.header.audio =
                    *(WAVEFORMATEX *)dshow_stream.mt.pbFormat;
Gildas Bazin's avatar
Gildas Bazin committed
947 948 949
                msg_Dbg( p_this, "MEDIATYPE_Audio" );
                msg_Dbg( p_this, "selected audio pin accepts format: %4.4s",
                         (char *)&dshow_stream.i_fourcc);
950 951 952
            }
            else if( dshow_stream.mt.majortype == MEDIATYPE_Stream )
            {
Gildas Bazin's avatar
Gildas Bazin committed
953 954
                msg_Dbg( p_this, "MEDIATYPE_Stream" );
                msg_Dbg( p_this, "selected stream pin accepts format: %4.4s",
955 956 957 958
                         (char *)&dshow_stream.i_fourcc);
            }
            else
            {
Gildas Bazin's avatar
Gildas Bazin committed
959
                msg_Dbg( p_this, "unknown stream majortype" );
960 961
                goto fail;
            }
Gildas Bazin's avatar
 
Gildas Bazin committed
962

963 964 965
            /* Add directshow elementary stream to our list */
            dshow_stream.p_device_filter = p_device_filter;
            dshow_stream.p_capture_filter = p_capture_filter;
Gildas Bazin's avatar