dshow.cpp 61.6 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
static block_t *ReadCompressed( access_t * );
42
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 );
65 66
static void ConfigTuner( vlc_object_t *, ICaptureGraphBuilder2 *,
                         IBaseFilter * );
Gildas Bazin's avatar
 
Gildas Bazin committed
67

Gildas Bazin's avatar
 
Gildas Bazin committed
68
/*****************************************************************************
69
 * Module descriptor
Gildas Bazin's avatar
 
Gildas Bazin committed
70
 *****************************************************************************/
71 72 73 74
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") };
75 76 77
static int  pi_tuner_input[] = { 0, 1, 2 };
static char *ppsz_tuner_input_text[] =
    {N_("Default"), N_("Cable"), N_("Antenna")};
78

Gildas Bazin's avatar
 
Gildas Bazin committed
79 80
#define CACHING_TEXT N_("Caching value in ms")
#define CACHING_LONGTEXT N_( \
81
    "Allows you to modify the default caching value for DirectShow streams. " \
Rocky Bernstein's avatar
Rocky Bernstein committed
82
    "This value should be set in milliseconds units." )
83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
#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 " \
101 102
    "(eg. I420 (default), RV24, etc.)")
#define CONFIG_TEXT N_("Device properties")
Gildas Bazin's avatar
 
Gildas Bazin committed
103
#define CONFIG_LONGTEXT N_( \
104 105
    "Show the properties dialog of the selected device before starting the " \
    "stream.")
106 107 108
#define TUNER_TEXT N_("Tuner properties")
#define TUNER_LONGTEXT N_( \
    "Show the tuner properties [channel selection] page." )
109 110 111 112 113 114 115 116 117 118 119
#define CHANNEL_TEXT N_("Tuner TV Channel")
#define CHANNEL_LONGTEXT N_( \
    "Allows you to set the TV channel the tuner will set to " \
    "(0 means default)." )
#define COUNTRY_TEXT N_("Tuner country code")
#define COUNTRY_LONGTEXT N_( \
    "Allows you to set the tuner country code that establishes the current " \
    "channel-to-frequency mapping (0 means default)." )
#define TUNER_INPUT_TEXT N_("Tuner input type")
#define TUNER_INPUT_LONGTEXT N_( \
    "Allows you to select the tuner input type (Cable/Antenna)." )
Gildas Bazin's avatar
 
Gildas Bazin committed
120

Gildas Bazin's avatar
Gildas Bazin committed
121 122 123
static int  CommonOpen ( vlc_object_t *, access_sys_t *, vlc_bool_t );
static void CommonClose( vlc_object_t *, access_sys_t * );

124 125 126 127 128 129
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
130
vlc_module_begin();
131
    set_shortname( _("DirectShow") );
Gildas Bazin's avatar
 
Gildas Bazin committed
132
    set_description( _("DirectShow input") );
133
    add_integer( "dshow-caching", (mtime_t)(0.2*CLOCK_FREQ) / 1000, NULL,
Gildas Bazin's avatar
 
Gildas Bazin committed
134
                 CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
135

136
    add_string( "dshow-vdev", NULL, NULL, VDEV_TEXT, VDEV_LONGTEXT, VLC_FALSE);
137
        change_string_list( ppsz_vdev, ppsz_vdev_text, FindDevicesCallback );
138 139
        change_action_add( FindDevicesCallback, N_("Refresh list") );
        change_action_add( ConfigDevicesCallback, N_("Configure") );
140

141
    add_string( "dshow-adev", NULL, NULL, ADEV_TEXT, ADEV_LONGTEXT, VLC_FALSE);
142
        change_string_list( ppsz_adev, ppsz_adev_text, FindDevicesCallback );
143 144
        change_action_add( FindDevicesCallback, N_("Refresh list") );
        change_action_add( ConfigDevicesCallback, N_("Configure") );
145

146
    add_string( "dshow-size", NULL, NULL, SIZE_TEXT, SIZE_LONGTEXT, VLC_FALSE);
147

148 149
    add_string( "dshow-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT,
                VLC_TRUE );
Gildas Bazin's avatar
 
Gildas Bazin committed
150 151

    add_bool( "dshow-config", VLC_FALSE, NULL, CONFIG_TEXT, CONFIG_LONGTEXT,
152
              VLC_FALSE );
Gildas Bazin's avatar
 
Gildas Bazin committed
153

154 155 156
    add_bool( "dshow-tuner", VLC_FALSE, NULL, TUNER_TEXT, TUNER_LONGTEXT,
              VLC_FALSE );

157 158 159 160 161 162 163 164 165 166
    add_integer( "dshow-tuner-channel", 0, NULL, CHANNEL_TEXT,
                 CHANNEL_LONGTEXT, VLC_TRUE );

    add_integer( "dshow-tuner-country", 0, NULL, COUNTRY_TEXT,
                 COUNTRY_LONGTEXT, VLC_TRUE );

    add_integer( "dshow-tuner-input", 0, NULL, TUNER_INPUT_TEXT,
                 TUNER_INPUT_LONGTEXT, VLC_TRUE );
        change_integer_list( pi_tuner_input, ppsz_tuner_input_text, 0 );

Gildas Bazin's avatar
 
Gildas Bazin committed
167
    add_shortcut( "dshow" );
Gildas Bazin's avatar
Gildas Bazin committed
168 169
    set_capability( "access_demux", 0 );
    set_callbacks( DemuxOpen, DemuxClose );
Gildas Bazin's avatar
 
Gildas Bazin committed
170 171

    add_submodule();
Gildas Bazin's avatar
Gildas Bazin committed
172
    set_description( _("DirectShow input") );
Gildas Bazin's avatar
 
Gildas Bazin committed
173
    add_shortcut( "dshow" );
Gildas Bazin's avatar
Gildas Bazin committed
174 175
    set_capability( "access2", 0 );
    set_callbacks( AccessOpen, AccessClose );
Gildas Bazin's avatar
 
Gildas Bazin committed
176 177 178

vlc_module_end();

Gildas Bazin's avatar
Gildas Bazin committed
179
/*****************************************************************************
Gildas Bazin's avatar
 
Gildas Bazin committed
180
 * DirectShow elementary stream descriptor
Gildas Bazin's avatar
Gildas Bazin committed
181
 *****************************************************************************/
Gildas Bazin's avatar
 
Gildas Bazin committed
182 183 184 185 186 187 188 189 190 191 192 193 194 195
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
196 197 198
    int             i_fourcc;
    es_out_id_t     *p_es;

199
    vlc_bool_t      b_pts;
Gildas Bazin's avatar
 
Gildas Bazin committed
200 201 202

} dshow_stream_t;

Gildas Bazin's avatar
Gildas Bazin committed
203
/*****************************************************************************
204
 * DirectShow utility functions
Gildas Bazin's avatar
Gildas Bazin committed
205
 *****************************************************************************/
206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259
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
260
/*****************************************************************************
Gildas Bazin's avatar
Gildas Bazin committed
261
 * CommonOpen: open direct show device
Gildas Bazin's avatar
 
Gildas Bazin committed
262
 *****************************************************************************/
Gildas Bazin's avatar
Gildas Bazin committed
263 264
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
265
{
266
    vlc_value_t  val;
Gildas Bazin's avatar
Gildas Bazin committed
267
    int i;
Gildas Bazin's avatar
 
Gildas Bazin committed
268

269
    /* Get/parse options and open device(s) */
Gildas Bazin's avatar
 
Gildas Bazin committed
270
    string vdevname, adevname;
271
    int i_width = 0, i_height = 0, i_chroma = 0;
Gildas Bazin's avatar
Gildas Bazin committed
272
    vlc_bool_t b_audio = VLC_TRUE;
Gildas Bazin's avatar
 
Gildas Bazin committed
273

274 275
    var_Create( p_this, "dshow-config", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
    var_Create( p_this, "dshow-tuner", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
276

Gildas Bazin's avatar
Gildas Bazin committed
277 278
    var_Create( p_this, "dshow-vdev", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
    var_Get( p_this, "dshow-vdev", &val );
279 280
    if( val.psz_string ) vdevname = string( val.psz_string );
    if( val.psz_string ) free( val.psz_string );
Gildas Bazin's avatar
 
Gildas Bazin committed
281

Gildas Bazin's avatar
Gildas Bazin committed
282 283
    var_Create( p_this, "dshow-adev", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
    var_Get( p_this, "dshow-adev", &val );
284 285 286
    if( val.psz_string ) adevname = string( val.psz_string );
    if( val.psz_string ) free( val.psz_string );

Gildas Bazin's avatar
Gildas Bazin committed
287 288 289 290 291 292 293 294
    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 );
295
    if( val.psz_string && *val.psz_string )
Gildas Bazin's avatar
 
Gildas Bazin committed
296
    {
Gildas Bazin's avatar
Gildas Bazin committed
297
        for( i = 0; size_table[i].psz_size; i++ )
298
        {
Gildas Bazin's avatar
Gildas Bazin committed
299 300 301 302 303 304
            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;
            }
305
        }
Gildas Bazin's avatar
Gildas Bazin committed
306
        if( !size_table[i].psz_size ) /* Try to parse "WidthxHeight" */
307 308 309 310
        {
            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
311
            {
312
                i_height = strtol( psz_parser + 1, &psz_parser, 0 );
Gildas Bazin's avatar
 
Gildas Bazin committed
313
            }
Gildas Bazin's avatar
Gildas Bazin committed
314
            msg_Dbg( p_this, "Width x Height %dx%d", i_width, i_height );
Gildas Bazin's avatar
 
Gildas Bazin committed
315 316
        }
    }
317
    if( val.psz_string ) free( val.psz_string );
Gildas Bazin's avatar
 
Gildas Bazin committed
318

Gildas Bazin's avatar
Gildas Bazin committed
319 320
    var_Create( p_this, "dshow-chroma", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
    var_Get( p_this, "dshow-chroma", &val );
321 322 323 324 325 326
    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
327

328 329 330 331 332 333 334
    var_Create( p_this, "dshow-tuner-channel",
                VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
    var_Create( p_this, "dshow-tuner-country",
                VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
    var_Create( p_this, "dshow-tuner-input",
                VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );

Gildas Bazin's avatar
Gildas Bazin committed
335
    var_Create( p_this, "dshow-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
Gildas Bazin's avatar
 
Gildas Bazin committed
336 337

    /* Initialize OLE/COM */
338
    CoInitialize( 0 );
Gildas Bazin's avatar
 
Gildas Bazin committed
339

Gildas Bazin's avatar
 
Gildas Bazin committed
340 341
    /* Initialize some data */
    p_sys->i_streams = 0;
342
    p_sys->pp_streams = 0;
Gildas Bazin's avatar
 
Gildas Bazin committed
343 344 345
    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
346

347 348 349
    p_sys->p_graph = NULL;
    p_sys->p_capture_graph_builder2 = NULL;
    p_sys->p_control = NULL;
Gildas Bazin's avatar
 
Gildas Bazin committed
350

351 352 353
    vlc_mutex_init( p_this, &p_sys->lock );
    vlc_cond_init( p_this, &p_sys->wait );

354 355
    /* Build directshow graph */
    CreateDirectShowGraph( p_sys );
Gildas Bazin's avatar
 
Gildas Bazin committed
356

Gildas Bazin's avatar
Gildas Bazin committed
357
    if( OpenDevice( p_this, p_sys, vdevname, 0 ) != VLC_SUCCESS )
Gildas Bazin's avatar
 
Gildas Bazin committed
358
    {
Gildas Bazin's avatar
Gildas Bazin committed
359
        msg_Err( p_this, "can't open video");
Gildas Bazin's avatar
 
Gildas Bazin committed
360
    }
Gildas Bazin's avatar
Gildas Bazin committed
361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376
    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;
377 378 379 380

                if( b_access_demux )
                {
                    /* Let the access (only) take care of that */
381
                    return VLC_EGENERIC;
382
                }
Gildas Bazin's avatar
Gildas Bazin committed
383 384
            }
        }
Gildas Bazin's avatar
 
Gildas Bazin committed
385

386 387 388 389 390 391 392 393 394
        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;
            }
395 396 397 398 399 400 401 402 403

            var_Get( p_this, "dshow-tuner", &val );
            if( val.b_bool )
            {
                /* FIXME: we do MEDIATYPE_Stream here so we don't do
                 * it twice. */
                ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
                                     p_stream->p_device_filter, 0 );
            }
404
        }
Gildas Bazin's avatar
Gildas Bazin committed
405 406 407
    }

    if( b_audio && OpenDevice( p_this, p_sys, adevname, 1 ) != VLC_SUCCESS )
Gildas Bazin's avatar
 
Gildas Bazin committed
408
    {
Gildas Bazin's avatar
Gildas Bazin committed
409
        msg_Err( p_this, "can't open audio");
Gildas Bazin's avatar
 
Gildas Bazin committed
410
    }
Gildas Bazin's avatar
Gildas Bazin committed
411

412
    for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
Gildas Bazin's avatar
 
Gildas Bazin committed
413
    {
414 415 416 417 418
        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
419

420 421
        if( SUCCEEDED(pXbar->Route(VideoOutputIndex, VideoInputIndex)) )
        {
Gildas Bazin's avatar
Gildas Bazin committed
422
            msg_Dbg( p_this, "Crossbar at depth %d, Routed video "
423
                     "ouput %ld to video input %ld", i, VideoOutputIndex,
424
                     VideoInputIndex );
Gildas Bazin's avatar
 
Gildas Bazin committed
425

426 427 428 429 430
            if( AudioOutputIndex != -1 && AudioInputIndex != -1 )
            {
                if( SUCCEEDED( pXbar->Route(AudioOutputIndex,
                                            AudioInputIndex)) )
                {
Gildas Bazin's avatar
Gildas Bazin committed
431
                    msg_Dbg(p_this, "Crossbar at depth %d, Routed audio "
432
                            "ouput %ld to audio input %ld", i,
433 434 435 436 437 438
                            AudioOutputIndex, AudioInputIndex );
                }
            }
        }
    }

439 440 441 442
    /*
    ** Show properties pages from other filters in graph
    */
    var_Get( p_this, "dshow-config", &val );
443
    if( val.b_bool )
444 445 446 447 448
    {
        for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
        {
            IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
            IBaseFilter *p_XF;
449 450 451

            if( SUCCEEDED( pXbar->QueryInterface( IID_IBaseFilter,
                                                  (void **)&p_XF ) ) )
452 453 454 455
            {
                ShowPropertyPage( p_XF );
                p_XF->Release();
            }
456
        }
457 458
    }

Gildas Bazin's avatar
 
Gildas Bazin committed
459 460
    /* Initialize some data */
    p_sys->i_current_stream = 0;
461

Gildas Bazin's avatar
Gildas Bazin committed
462
    if( !p_sys->i_streams ) return VLC_EGENERIC;
Gildas Bazin's avatar
 
Gildas Bazin committed
463

Gildas Bazin's avatar
 
Gildas Bazin committed
464 465 466 467
    return VLC_SUCCESS;
}

/*****************************************************************************
Gildas Bazin's avatar
Gildas Bazin committed
468
 * DemuxOpen: open direct show device as an access_demux module
Gildas Bazin's avatar
 
Gildas Bazin committed
469
 *****************************************************************************/
Gildas Bazin's avatar
Gildas Bazin committed
470
static int DemuxOpen( vlc_object_t *p_this )
Gildas Bazin's avatar
 
Gildas Bazin committed
471
{
Gildas Bazin's avatar
Gildas Bazin committed
472 473 474
    demux_t      *p_demux = (demux_t *)p_this;
    access_sys_t *p_sys;
    int i;
Gildas Bazin's avatar
 
Gildas Bazin committed
475

Gildas Bazin's avatar
Gildas Bazin committed
476 477 478
    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
479

Gildas Bazin's avatar
Gildas Bazin committed
480 481 482 483 484
    if( CommonOpen( p_this, p_sys, VLC_TRUE ) != VLC_SUCCESS )
    {
        CommonClose( p_this, p_sys );
        return VLC_EGENERIC;
    }
485

Gildas Bazin's avatar
Gildas Bazin committed
486 487 488
    /* Everything is ready. Let's rock baby */
    msg_Dbg( p_this, "Playing...");
    p_sys->p_control->Run();
489

Gildas Bazin's avatar
Gildas Bazin committed
490 491 492 493 494 495 496
    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++ )
497
    {
Gildas Bazin's avatar
Gildas Bazin committed
498 499
        dshow_stream_t *p_stream = p_sys->pp_streams[i];
        es_format_t fmt;
500

Gildas Bazin's avatar
Gildas Bazin committed
501 502 503
        if( p_stream->mt.majortype == MEDIATYPE_Video )
        {
            es_format_Init( &fmt, VIDEO_ES, p_stream->i_fourcc );
504

Gildas Bazin's avatar
Gildas Bazin committed
505 506 507
            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;
508

Gildas Bazin's avatar
Gildas Bazin committed
509 510 511 512 513
            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);
            }
514

Gildas Bazin's avatar
Gildas Bazin committed
515 516 517 518
            /* Setup rgb mask for RGB formats */
            if( p_stream->i_fourcc == VLC_FOURCC('R','V','2','4') )
            {
                /* This is in BGR format */
519 520 521
                fmt.video.i_bmask = 0x00ff0000;
                fmt.video.i_gmask = 0x0000ff00;
                fmt.video.i_rmask = 0x000000ff;
Gildas Bazin's avatar
Gildas Bazin committed
522 523 524 525 526
            }
        }
        else if( p_stream->mt.majortype == MEDIATYPE_Audio )
        {
            es_format_Init( &fmt, AUDIO_ES, p_stream->i_fourcc );
527

Gildas Bazin's avatar
Gildas Bazin committed
528 529 530 531 532 533 534 535 536 537
            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 );
538
    }
Gildas Bazin's avatar
Gildas Bazin committed
539

540
    return VLC_SUCCESS;
541 542
}

Gildas Bazin's avatar
Gildas Bazin committed
543 544 545 546
/*****************************************************************************
 * AccessOpen: open direct show device as an access module
 *****************************************************************************/
static int AccessOpen( vlc_object_t *p_this )
547
{
Gildas Bazin's avatar
Gildas Bazin committed
548 549
    access_t     *p_access = (access_t*)p_this;
    access_sys_t *p_sys;
550

Gildas Bazin's avatar
Gildas Bazin committed
551 552
    p_access->p_sys = p_sys = (access_sys_t *)malloc( sizeof( access_sys_t ) );
    memset( p_sys, 0, sizeof( access_sys_t ) );
553

554
    if( CommonOpen( p_this, p_sys, VLC_FALSE ) != VLC_SUCCESS )
Gildas Bazin's avatar
Gildas Bazin committed
555 556 557 558
    {
        CommonClose( p_this, p_sys );
        return VLC_EGENERIC;
    }
559

Gildas Bazin's avatar
Gildas Bazin committed
560
    dshow_stream_t *p_stream = p_sys->pp_streams[0];
561

Gildas Bazin's avatar
Gildas Bazin committed
562 563
    /* Check if we need to force demuxers */
    if( !p_access->psz_demux || !*p_access->psz_demux )
Gildas Bazin's avatar
 
Gildas Bazin committed
564
    {
Gildas Bazin's avatar
Gildas Bazin committed
565 566 567
        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') )
568
        {
Gildas Bazin's avatar
Gildas Bazin committed
569 570 571 572 573
            p_access->psz_demux = strdup( "rawdv" );
        }
        else if( p_stream->i_fourcc == VLC_FOURCC('m','p','2','v') )
        {
            p_access->psz_demux = "mpgv";
574
        }
Gildas Bazin's avatar
 
Gildas Bazin committed
575
    }
Gildas Bazin's avatar
 
Gildas Bazin committed
576

Gildas Bazin's avatar
Gildas Bazin committed
577
    /* Setup Access */
578 579
    p_access->pf_read = NULL;
    p_access->pf_block = ReadCompressed;
Gildas Bazin's avatar
Gildas Bazin committed
580 581 582 583 584 585 586 587 588 589 590 591 592 593 594
    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;
595
}
Gildas Bazin's avatar
 
Gildas Bazin committed
596

Gildas Bazin's avatar
Gildas Bazin committed
597 598 599 600
/*****************************************************************************
 * CommonClose: close device
 *****************************************************************************/
static void CommonClose( vlc_object_t *p_this, access_sys_t *p_sys )
601
{
Gildas Bazin's avatar
Gildas Bazin committed
602
    msg_Dbg( p_this, "Releasing DirectShow");
603

Gildas Bazin's avatar
Gildas Bazin committed
604
    DeleteDirectShowGraph( p_sys );
605

Gildas Bazin's avatar
Gildas Bazin committed
606 607
    /* Uninitialize OLE/COM */
    CoUninitialize();
608

609 610
    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
611 612 613

    vlc_mutex_destroy( &p_sys->lock );
    vlc_cond_destroy( &p_sys->wait );
614

Gildas Bazin's avatar
Gildas Bazin committed
615
    free( p_sys );
616 617
}

Gildas Bazin's avatar
Gildas Bazin committed
618 619 620 621
/*****************************************************************************
 * AccessClose: close device
 *****************************************************************************/
static void AccessClose( vlc_object_t *p_this )
622
{
Gildas Bazin's avatar
Gildas Bazin committed
623 624
    access_t     *p_access = (access_t *)p_this;
    access_sys_t *p_sys    = p_access->p_sys;
625

Gildas Bazin's avatar
Gildas Bazin committed
626 627
    /* Stop capturing stuff */
    p_sys->p_control->Stop();
628

Gildas Bazin's avatar
Gildas Bazin committed
629 630
    CommonClose( p_this, p_sys );
}
631

Gildas Bazin's avatar
Gildas Bazin committed
632 633 634 635 636 637 638
/*****************************************************************************
 * 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;
639

Gildas Bazin's avatar
Gildas Bazin committed
640 641
    /* Stop capturing stuff */
    p_sys->p_control->Stop();
642

Gildas Bazin's avatar
Gildas Bazin committed
643
    CommonClose( p_this, p_sys );
Gildas Bazin's avatar
 
Gildas Bazin committed
644 645 646 647 648
}

/****************************************************************************
 * ConnectFilters
 ****************************************************************************/
Gildas Bazin's avatar
Gildas Bazin committed
649 650
static bool ConnectFilters( vlc_object_t *p_this, access_sys_t *p_sys,
                            IBaseFilter *p_filter,
651
                            CaptureFilter *p_capture_filter )
Gildas Bazin's avatar
 
Gildas Bazin committed
652
{
653
    CapturePin *p_input_pin = p_capture_filter->CustomGetPin();
Gildas Bazin's avatar
 
Gildas Bazin committed
654

655
    AM_MEDIA_TYPE mediaType = p_input_pin->CustomGetMediaType();
Gildas Bazin's avatar
 
Gildas Bazin committed
656

657
    if( p_sys->p_capture_graph_builder2 )
Gildas Bazin's avatar
 
Gildas Bazin committed
658
    {
659
        if( FAILED(p_sys->p_capture_graph_builder2->
Gildas Bazin's avatar
Gildas Bazin committed
660 661
                RenderStream( &PIN_CATEGORY_CAPTURE, &mediaType.majortype,
                              p_filter, 0, (IBaseFilter *)p_capture_filter )) )
662 663 664
        {
            return false;
        }
665

666 667 668
        // Sort out all the possible video inputs
        // The class needs to be given the capture filters ANALOGVIDEO input pin
        IEnumPins *pins = 0;
669 670
        if( ( mediaType.majortype == MEDIATYPE_Video ||
              mediaType.majortype == MEDIATYPE_Stream ) &&
671
            SUCCEEDED(p_filter->EnumPins(&pins)) )
Gildas Bazin's avatar
 
Gildas Bazin committed
672
        {
673 674 675 676 677 678 679 680
            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
681
            while( !Found && ( S_OK == pins->Next(1, &pP, &n) ) )
682
            {
Gildas Bazin's avatar
Gildas Bazin committed
683
                if( S_OK == pP->QueryPinInfo(&pinInfo) )
684
                {
Gildas Bazin's avatar
Gildas Bazin committed
685 686 687 688
                    // is this pin an ANALOGVIDEOIN input pin?
                    if( pinInfo.dir == PINDIR_INPUT &&
                        pP->QueryInterface( IID_IKsPropertySet,
                                            (void **)&pKs ) == S_OK )
689
                    {
Gildas Bazin's avatar
Gildas Bazin committed
690 691 692
                        if( pKs->Get( AMPROPSETID_Pin,
                                      AMPROPERTY_PIN_CATEGORY, NULL, 0,
                                      &guid, sizeof(GUID), &dw ) == S_OK )
693
                        {
Gildas Bazin's avatar
Gildas Bazin committed
694
                            if( guid == PIN_CATEGORY_ANALOGVIDEOIN )
695
                            {
Gildas Bazin's avatar
Gildas Bazin committed
696
                                // recursively search crossbar routes
697
                                FindCrossbarRoutes( p_this, p_sys, pP, 0 );
Gildas Bazin's avatar
Gildas Bazin committed
698 699
                                // found it
                                Found = TRUE;
700 701
                            }
                        }
Gildas Bazin's avatar
Gildas Bazin committed
702
                        pKs->Release();
703 704 705 706 707 708
                    }
                    pinInfo.pFilter->Release();
                }
                pP->Release();
            }
            pins->Release();
Gildas Bazin's avatar
 
Gildas Bazin committed
709
        }
710
        return true;
Gildas Bazin's avatar
 
Gildas Bazin committed
711
    }
712 713 714 715
    else
    {
        IEnumPins *p_enumpins;
        IPin *p_pin;
Gildas Bazin's avatar
 
Gildas Bazin committed
716

717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737
        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
738 739
}

740
/*
Gildas Bazin's avatar
Gildas Bazin committed
741 742 743
 * get fourcc priority from arbritary preference, the higher the better
 */
static int GetFourCCPriority( int i_fourcc )
744 745 746
{
    switch( i_fourcc )
    {
Gildas Bazin's avatar
Gildas Bazin committed
747 748 749 750 751 752 753 754 755 756 757 758
    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;
759
    }
Gildas Bazin's avatar
Gildas Bazin committed
760

761 762 763 764 765
    return 0;
}

#define MAX_MEDIA_TYPES 32

Gildas Bazin's avatar
Gildas Bazin committed
766 767
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
768
{
769 770 771
    /* See if device is already opened */
    for( int i = 0; i < p_sys->i_streams; i++ )
    {
Gildas Bazin's avatar
Gildas Bazin committed
772 773
        if( devicename.size() &&
            p_sys->pp_streams[i]->devicename == devicename )
774 775 776 777 778 779
        {
            /* Already opened */
            return VLC_SUCCESS;
        }
    }

Gildas Bazin's avatar
 
Gildas Bazin committed
780 781
    list<string> list_devices;

782
    /* Enumerate devices and display their names */
Gildas Bazin's avatar
Gildas Bazin committed
783
    FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
Gildas Bazin's avatar
 
Gildas Bazin committed
784

785 786 787
    if( !list_devices.size() )
        return VLC_EGENERIC;

Gildas Bazin's avatar
 
Gildas Bazin committed
788 789
    list<string>::iterator iter;
    for( iter = list_devices.begin(); iter != list_devices.end(); iter++ )
Gildas Bazin's avatar
Gildas Bazin committed
790
        msg_Dbg( p_this, "found device: %s", iter->c_str() );
Gildas Bazin's avatar
 
Gildas Bazin committed
791 792 793 794 795 796 797 798

    /* 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
799 800
    // a capture/preview device, such as a desktop USB video camera.
    IBaseFilter *p_device_filter =
Gildas Bazin's avatar
Gildas Bazin committed
801
        FindCaptureDevice( p_this, &devicename, 0, b_audio );
Gildas Bazin's avatar
 
Gildas Bazin committed
802
    if( p_device_filter )
Gildas Bazin's avatar
Gildas Bazin committed
803
        msg_Dbg( p_this, "using device: %s", devicename.c_str() );
Gildas Bazin's avatar
 
Gildas Bazin committed
804 805
    else
    {
Gildas Bazin's avatar
Gildas Bazin committed
806
        msg_Err( p_this, "can't use device: %s, unsupported device type",
807
                 devicename.c_str() );
Gildas Bazin's avatar
 
Gildas Bazin committed
808 809
        return VLC_EGENERIC;
    }
Gildas Bazin's avatar
 
Gildas Bazin committed
810

811 812 813 814 815 816 817 818 819 820 821
    // 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;
822
    for( size_t i = 0; i < media_count; i++ )
823 824 825 826 827 828 829 830
    {
        if( media_types[i].majortype == MEDIATYPE_Stream )
        {
            b_stream_type = VLC_TRUE;
            break;
        }
    }

831 832
    size_t mt_count = 0;
    AM_MEDIA_TYPE *mt = NULL;
Gildas Bazin's avatar
Gildas Bazin committed
833

834
    if( !b_stream_type && !b_audio )
Gildas Bazin's avatar
Gildas Bazin committed
835
    {
836
        // Insert prefered video media type
837
        AM_MEDIA_TYPE mtr;
Gildas Bazin's avatar
Gildas Bazin committed
838 839 840 841 842 843 844 845 846 847
        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;
848 849 850

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

Gildas Bazin's avatar
Gildas Bazin committed
851
        vh.bmiHeader.biSize   = sizeof(vh.bmiHeader);
852
        vh.bmiHeader.biWidth  = p_sys->i_width > 0 ? p_sys->i_width : 320;
Gildas Bazin's avatar
Gildas Bazin committed
853
        vh.bmiHeader.biHeight = p_sys->i_height > 0 ? p_sys->i_height : 240;
854
        vh.bmiHeader.biPlanes      = 3;
Gildas Bazin's avatar
Gildas Bazin committed
855 856
        vh.bmiHeader.biBitCount    = 12;
        vh.bmiHeader.biCompression = VLC_FOURCC('I','4','2','0');
857 858 859
        vh.bmiHeader.biSizeImage   = vh.bmiHeader.biWidth * 12 *
            vh.bmiHeader.biHeight / 8;
        mtr.lSampleSize            = vh.bmiHeader.biSizeImage;
860

Gildas Bazin's avatar
Gildas Bazin committed
861 862 863
        mt_count = 1;
        mt = (AM_MEDIA_TYPE *)malloc( sizeof(AM_MEDIA_TYPE)*mt_count );
        CopyMediaType(mt, &mtr);
864
    }
865
    else if( !b_stream_type )
Gildas Bazin's avatar
Gildas Bazin committed
866
    {
867
        // Insert prefered audio media type
868
        AM_MEDIA_TYPE mtr;
Gildas Bazin's avatar
Gildas Bazin committed
869 870 871 872 873 874 875 876 877 878 879
        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;
880 881 882

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

Gildas Bazin's avatar
Gildas Bazin committed
883 884 885 886 887 888 889
        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;
890

Gildas Bazin's avatar
Gildas Bazin committed
891 892 893
        mt_count = 1;
        mt = (AM_MEDIA_TYPE *)malloc( sizeof(AM_MEDIA_TYPE)*mt_count );
        CopyMediaType(mt, &mtr);
894
    }
Gildas Bazin's avatar
 
Gildas Bazin committed
895

896 897
    if( media_count > 0 )
    {
898 899
        mt = (AM_MEDIA_TYPE *)realloc( mt, sizeof(AM_MEDIA_TYPE) *
                                       (mt_count + media_count) );
900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930

        // 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
931
    /* Create and add our capture filter */
932
    CaptureFilter *p_capture_filter =
Gildas Bazin's avatar
Gildas Bazin committed
933
        new CaptureFilter( p_this, p_sys, mt, mt_count );
Gildas Bazin's avatar
 
Gildas Bazin committed
934
    p_sys->p_graph->AddFilter( p_capture_filter, 0 );
Gildas Bazin's avatar
 
Gildas Bazin committed
935 936 937

    /* Add the device filter to the graph (seems necessary with VfW before
     * accessing pin attributes). */
Gildas Bazin's avatar
 
Gildas Bazin committed
938
    p_sys->p_graph->AddFilter( p_device_filter, 0 );
Gildas Bazin's avatar
 
Gildas Bazin committed
939

Gildas Bazin's avatar
 
Gildas Bazin committed
940
    /* Attempt to connect one of this device's capture output pins */
Gildas Bazin's avatar
Gildas Bazin committed
941 942
    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
943 944
    {
        /* Success */
Gildas Bazin's avatar
Gildas Bazin committed
945
        msg_Dbg( p_this, "filters connected successfully !" );
946

Gildas Bazin's avatar
 
Gildas Bazin committed
947
        dshow_stream_t dshow_stream;
948
        dshow_stream.b_pts = VLC_FALSE;
Gildas Bazin's avatar
Gildas Bazin committed
949
        dshow_stream.p_es = 0;
950 951 952
        dshow_stream.mt =
            p_capture_filter->CustomGetPin()->CustomGetMediaType();

953 954
        /* Show Device properties. Done here so the VLC stream is setup with
         * the proper parameters. */
955
        vlc_value_t val;
Gildas Bazin's avatar
Gildas Bazin committed
956
        var_Get( p_this, "dshow-config", &val );
957
        if( val.b_bool )
958
        {
959 960
            ShowDeviceProperties( p_this, p_sys->p_capture_graph_builder2,
                                  p_device_filter, b_audio );
961
        }
962

963 964 965
        ConfigTuner( p_this, p_sys->p_capture_graph_builder2,
                     p_device_filter );

966
        var_Get( p_this, "dshow-tuner"