dshow.cpp 44.4 KB
Newer Older
gbazin's avatar
 
gbazin committed
1
/*****************************************************************************
2
 * dshow.cpp : DirectShow access module for vlc
gbazin's avatar
 
gbazin committed
3 4
 *****************************************************************************
 * Copyright (C) 2002 VideoLAN
Sam Hocevar's avatar
Sam Hocevar committed
5
 * $Id: dshow.cpp,v 1.11 2003/10/25 00:49:13 sam Exp $
gbazin's avatar
 
gbazin committed
6 7 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 35 36 37 38 39
 *
 * Author: Gildas Bazin <gbazin@netcourrier.com>
 *
 * 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>

#include "filter.h"

/*****************************************************************************
 * Local prototypes
 *****************************************************************************/
40 41 42
static int     AccessOpen  ( vlc_object_t * );
static void    AccessClose ( vlc_object_t * );
static ssize_t Read        ( input_thread_t *, byte_t *, size_t );
gbazin's avatar
 
gbazin committed
43 44 45 46 47

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

gbazin's avatar
 
gbazin committed
48
static int OpenDevice( input_thread_t *, string, vlc_bool_t );
gbazin's avatar
 
gbazin committed
49
static IBaseFilter *FindCaptureDevice( vlc_object_t *, string *,
gbazin's avatar
 
gbazin committed
50
                                       list<string> *, vlc_bool_t );
gbazin's avatar
 
gbazin committed
51
static AM_MEDIA_TYPE EnumDeviceCaps( vlc_object_t *, IBaseFilter *,
52
                                     int, int, int, int, int, int );
gbazin's avatar
 
gbazin committed
53
static bool ConnectFilters( IFilterGraph *, IBaseFilter *, IPin * );
gbazin's avatar
 
gbazin committed
54

55 56 57 58 59 60 61
#if 0
    /* Debug only, use this to find out GUIDs */
    unsigned char p_st[];
    UuidToString( (IID *)&IID_IAMBufferNegotiation, &p_st );
    msg_Err( p_input, "BufferNegotiation: %s" , p_st );
#endif

gbazin's avatar
 
gbazin committed
62 63 64 65 66 67 68
/*****************************************************************************
 * Module descriptior
 *****************************************************************************/
#define CACHING_TEXT N_("Caching value in ms")
#define CACHING_LONGTEXT N_( \
    "Allows you to modify the default caching value for directshow streams. " \
    "This value should be set in miliseconds units." )
69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87
#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 " \
    "(eg. I420 (default), RV24, etc...)")
gbazin's avatar
 
gbazin committed
88 89 90 91

vlc_module_begin();
    set_description( _("DirectShow input") );
    add_category_hint( N_("dshow"), NULL, VLC_TRUE );
92
    add_integer( "dshow-caching", (mtime_t)(0.2*CLOCK_FREQ) / 1000, NULL,
gbazin's avatar
 
gbazin committed
93
                 CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
94 95 96 97 98
    add_string( "dshow-vdev", NULL, NULL, VDEV_TEXT, VDEV_LONGTEXT, VLC_FALSE);
    add_string( "dshow-adev", NULL, NULL, ADEV_TEXT, ADEV_LONGTEXT, VLC_FALSE);
    add_string( "dshow-size", NULL, NULL, SIZE_TEXT, SIZE_LONGTEXT, VLC_FALSE);
    add_string( "dshow-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT,
                VLC_TRUE );
gbazin's avatar
 
gbazin committed
99
    add_shortcut( "dshow" );
gbazin's avatar
 
gbazin committed
100
    set_capability( "access", 0 );
gbazin's avatar
 
gbazin committed
101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149
    set_callbacks( AccessOpen, AccessClose );

    add_submodule();
    set_description( _("DirectShow demuxer") );
    add_shortcut( "dshow" );
    set_capability( "demux", 200 );
    set_callbacks( DemuxOpen, DemuxClose );

vlc_module_end();

/****************************************************************************
 * I. Access Part
 ****************************************************************************/

/*
 * header:
 *  fcc  ".dsh"
 *  u32    stream count
 *      fcc "auds"|"vids"       0
 *      fcc codec               4
 *      if vids
 *          u32 width           8
 *          u32 height          12
 *          u32 padding         16
 *      if auds
 *          u32 channels        12
 *          u32 samplerate      8
 *          u32 samplesize      16
 *
 * data:
 *  u32     stream number
 *  u32     data size
 *  u8      data
 */

static void SetDWBE( uint8_t *p, uint32_t dw )
{
    p[0] = (dw >> 24)&0xff;
    p[1] = (dw >> 16)&0xff;
    p[2] = (dw >>  8)&0xff;
    p[3] = (dw      )&0xff;
}

static void SetQWBE( uint8_t *p, uint64_t qw )
{
    SetDWBE( p, (qw >> 32)&0xffffffff );
    SetDWBE( &p[4], qw&0xffffffff );
}

gbazin's avatar
 
gbazin committed
150 151 152 153 154 155 156 157 158 159
/****************************************************************************
 * DirectShow elementary stream descriptor
 ****************************************************************************/
typedef struct dshow_stream_t
{
    string          devicename;
    IBaseFilter     *p_device_filter;
    CaptureFilter   *p_capture_filter;
    AM_MEDIA_TYPE   mt;
    int             i_fourcc;
gbazin's avatar
 
gbazin committed
160
    vlc_bool_t      b_invert;
gbazin's avatar
 
gbazin committed
161 162 163 164 165 166 167 168

    union
    {
      VIDEOINFOHEADER video;
      WAVEFORMATEX    audio;

    } header;

169
    vlc_bool_t      b_pts;
gbazin's avatar
 
gbazin committed
170 171 172

} dshow_stream_t;

gbazin's avatar
 
gbazin committed
173 174 175 176 177
/****************************************************************************
 * Access descriptor declaration
 ****************************************************************************/
struct access_sys_t
{
178 179 180
    vlc_mutex_t lock;
    vlc_cond_t  wait;

gbazin's avatar
 
gbazin committed
181 182 183 184 185 186
    IFilterGraph  *p_graph;
    IMediaControl *p_control;

    /* header */
    int     i_header_size;
    int     i_header_pos;
gbazin's avatar
 
gbazin committed
187
    uint8_t *p_header;
gbazin's avatar
 
gbazin committed
188

gbazin's avatar
 
gbazin committed
189
    /* list of elementary streams */
gbazin's avatar
 
gbazin committed
190 191 192
    dshow_stream_t **pp_streams;
    int            i_streams;
    int            i_current_stream;
gbazin's avatar
 
gbazin committed
193 194 195 196 197

    /* misc properties */
    int            i_width;
    int            i_height;
    int            i_chroma;
gbazin's avatar
 
gbazin committed
198 199 200 201 202 203 204 205 206
};

/*****************************************************************************
 * Open: open direct show device
 *****************************************************************************/
static int AccessOpen( vlc_object_t *p_this )
{
    input_thread_t *p_input = (input_thread_t *)p_this;
    access_sys_t   *p_sys;
207
    vlc_value_t    val;
gbazin's avatar
 
gbazin committed
208

209
    /* Get/parse options and open device(s) */
gbazin's avatar
 
gbazin committed
210
    string vdevname, adevname;
gbazin's avatar
 
gbazin committed
211
    int i_width = 0, i_height = 0, i_chroma = VLC_FOURCC('I','4','2','0');
gbazin's avatar
 
gbazin committed
212

213 214 215 216
    var_Create( p_input, "dshow-vdev", VLC_VAR_STRING | VLC_VAR_DOINHERIT);
    var_Get( p_input, "dshow-vdev", &val );
    if( val.psz_string ) vdevname = string( val.psz_string );
    if( val.psz_string ) free( val.psz_string );
gbazin's avatar
 
gbazin committed
217

218 219 220 221 222 223 224 225
    var_Create( p_input, "dshow-adev", VLC_VAR_STRING | VLC_VAR_DOINHERIT);
    var_Get( p_input, "dshow-adev", &val );
    if( val.psz_string ) adevname = string( val.psz_string );
    if( val.psz_string ) free( val.psz_string );

    var_Create( p_input, "dshow-size", VLC_VAR_STRING | VLC_VAR_DOINHERIT);
    var_Get( p_input, "dshow-size", &val );
    if( val.psz_string && *val.psz_string )
gbazin's avatar
 
gbazin committed
226
    {
227
        if( !strcmp( val.psz_string, "subqcif" ) )
gbazin's avatar
 
gbazin committed
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
            i_width  = 128; i_height = 96;
        }
        else if( !strcmp( val.psz_string, "qsif" ) )
        {
            i_width  = 160; i_height = 120;
        }
        else if( !strcmp( val.psz_string, "qcif" ) )
        {
            i_width  = 176; i_height = 144;
        }
        else if( !strcmp( val.psz_string, "sif" ) )
        {
            i_width  = 320; i_height = 240;
        }
        else if( !strcmp( val.psz_string, "cif" ) )
        {
            i_width  = 352; i_height = 288;
        }
        else if( !strcmp( val.psz_string, "vga" ) )
        {
            i_width  = 640; i_height = 480;
        }
        else
        {
            /* Width x Height */
            char *psz_parser;
            i_width = strtol( val.psz_string, &psz_parser, 0 );
            if( *psz_parser == 'x' || *psz_parser == 'X')
gbazin's avatar
 
gbazin committed
257
            {
258
                i_height = strtol( psz_parser + 1, &psz_parser, 0 );
gbazin's avatar
 
gbazin committed
259
            }
260
            msg_Dbg( p_input, "Width x Height %dx%d", i_width, i_height );
gbazin's avatar
 
gbazin committed
261 262
        }
    }
263
    if( val.psz_string ) free( val.psz_string );
gbazin's avatar
 
gbazin committed
264

265 266 267 268 269 270 271 272
    var_Create( p_input, "dshow-chroma", VLC_VAR_STRING | VLC_VAR_DOINHERIT);
    var_Get( p_input, "dshow-chroma", &val );
    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 );
gbazin's avatar
 
gbazin committed
273 274 275 276 277 278 279 280 281 282 283 284 285

    p_input->pf_read        = Read;
    p_input->pf_seek        = NULL;
    p_input->pf_set_area    = NULL;
    p_input->pf_set_program = NULL;

    vlc_mutex_lock( &p_input->stream.stream_lock );
    p_input->stream.b_pace_control = 0;
    p_input->stream.b_seekable = 0;
    p_input->stream.p_selected_area->i_size = 0;
    p_input->stream.p_selected_area->i_tell = 0;
    p_input->stream.i_method = INPUT_METHOD_FILE;
    vlc_mutex_unlock( &p_input->stream.stream_lock );
Sam Hocevar's avatar
Sam Hocevar committed
286

287 288 289
    var_Create( p_input, "dshow-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
    var_Get( p_input, "dshow-caching", &val );
    p_input->i_pts_delay = val.i_int * 1000;
gbazin's avatar
 
gbazin committed
290 291 292 293 294 295 296

    /* Initialize OLE/COM */
    CoInitializeEx( 0, COINIT_APARTMENTTHREADED );

    /* create access private data */
    p_input->p_access_data = p_sys =
        (access_sys_t *)malloc( sizeof( access_sys_t ) );
gbazin's avatar
 
gbazin committed
297 298 299 300

    /* Initialize some data */
    p_sys->i_streams = 0;
    p_sys->pp_streams = (dshow_stream_t **)malloc( 1 );
gbazin's avatar
 
gbazin committed
301 302 303
    p_sys->i_width = i_width;
    p_sys->i_height = i_height;
    p_sys->i_chroma = i_chroma;
gbazin's avatar
 
gbazin committed
304

gbazin's avatar
 
gbazin committed
305 306 307 308 309 310
    /* Create header */
    p_sys->i_header_size = 8;
    p_sys->p_header      = (uint8_t *)malloc( p_sys->i_header_size );
    memcpy(  &p_sys->p_header[0], ".dsh", 4 );
    SetDWBE( &p_sys->p_header[4], 1 );
    p_sys->i_header_pos = p_sys->i_header_size;
gbazin's avatar
 
gbazin committed
311

gbazin's avatar
 
gbazin committed
312 313 314 315 316 317 318
    /* Build directshow graph */
    CoCreateInstance( CLSID_FilterGraph, 0, CLSCTX_INPROC,
                      (REFIID)IID_IFilterGraph, (void **)&p_sys->p_graph );

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

gbazin's avatar
 
gbazin committed
319
    if( OpenDevice( p_input, vdevname, 0 ) != VLC_SUCCESS )
gbazin's avatar
 
gbazin committed
320 321 322 323
    {
        msg_Err( p_input, "can't open video");
    }

gbazin's avatar
 
gbazin committed
324
    if( OpenDevice( p_input, adevname, 1 ) != VLC_SUCCESS )
gbazin's avatar
 
gbazin committed
325 326 327 328
    {
        msg_Err( p_input, "can't open audio");
    }

gbazin's avatar
 
gbazin committed
329
    if( !p_sys->i_streams )
gbazin's avatar
 
gbazin committed
330
    {
gbazin's avatar
 
gbazin committed
331
        /* Release directshow objects */
332
        if( p_sys->p_control ) p_sys->p_control->Release();
gbazin's avatar
 
gbazin committed
333
        p_sys->p_graph->Release();
gbazin's avatar
 
gbazin committed
334 335

        /* Uninitialize OLE/COM */
Sam Hocevar's avatar
Sam Hocevar committed
336
        CoUninitialize();
gbazin's avatar
 
gbazin committed
337

gbazin's avatar
 
gbazin committed
338
        free( p_sys->p_header );
339
        free( p_sys->pp_streams );
gbazin's avatar
 
gbazin committed
340 341 342 343
        free( p_sys );
        return VLC_EGENERIC;
    }

gbazin's avatar
 
gbazin committed
344 345
    /* Initialize some data */
    p_sys->i_current_stream = 0;
346 347 348 349
    p_input->i_mtu += p_sys->i_header_size + 16 /* data header size */;

    vlc_mutex_init( p_input, &p_sys->lock );
    vlc_cond_init( p_input, &p_sys->wait );
gbazin's avatar
 
gbazin committed
350 351 352 353

    /* Everything is ready. Let's rock baby */
    p_sys->p_control->Run();

gbazin's avatar
 
gbazin committed
354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369
    return VLC_SUCCESS;
}

/*****************************************************************************
 * AccessClose: close device
 *****************************************************************************/
static void AccessClose( vlc_object_t *p_this )
{
    input_thread_t *p_input = (input_thread_t *)p_this;
    access_sys_t    *p_sys  = p_input->p_access_data;

    /* Stop capturing stuff */
    p_sys->p_control->Stop();
    p_sys->p_control->Release();

    /* Remove filters from graph */
gbazin's avatar
 
gbazin committed
370 371 372
    for( int i = 0; i < p_sys->i_streams; i++ )
    {
        p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_capture_filter );
373
        p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_device_filter );
gbazin's avatar
 
gbazin committed
374
        p_sys->pp_streams[i]->p_capture_filter->Release();
375
        p_sys->pp_streams[i]->p_device_filter->Release();
gbazin's avatar
 
gbazin committed
376 377
    }
    p_sys->p_graph->Release();
gbazin's avatar
 
gbazin committed
378 379

    /* Uninitialize OLE/COM */
Sam Hocevar's avatar
Sam Hocevar committed
380
    CoUninitialize();
gbazin's avatar
 
gbazin committed
381

gbazin's avatar
 
gbazin committed
382 383 384
    free( p_sys->p_header );
    for( int i = 0; i < p_sys->i_streams; i++ ) delete p_sys->pp_streams[i];
    free( p_sys->pp_streams );
gbazin's avatar
 
gbazin committed
385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412
    free( p_sys );
}

/****************************************************************************
 * ConnectFilters
 ****************************************************************************/
static bool ConnectFilters( IFilterGraph *p_graph, IBaseFilter *p_filter,
                            IPin *p_input_pin )
{
    IEnumPins *p_enumpins;
    IPin *p_output_pin;
    ULONG i_fetched;

    if( S_OK != p_filter->EnumPins( &p_enumpins ) ) return false;

    while( S_OK == p_enumpins->Next( 1, &p_output_pin, &i_fetched ) )
    {
        if( S_OK == p_graph->ConnectDirect( p_output_pin, p_input_pin, 0 ) )
        {
            p_enumpins->Release();
            return true;
        }
    }

    p_enumpins->Release();
    return false;
}

gbazin's avatar
 
gbazin committed
413 414
static int OpenDevice( input_thread_t *p_input, string devicename,
                       vlc_bool_t b_audio )
gbazin's avatar
 
gbazin committed
415 416 417 418
{
    access_sys_t *p_sys = p_input->p_access_data;
    list<string> list_devices;

419
    /* Enumerate devices and display their names */
gbazin's avatar
 
gbazin committed
420
    FindCaptureDevice( (vlc_object_t *)p_input, NULL, &list_devices, b_audio );
gbazin's avatar
 
gbazin committed
421

422 423 424
    if( !list_devices.size() )
        return VLC_EGENERIC;

gbazin's avatar
 
gbazin committed
425 426
    list<string>::iterator iter;
    for( iter = list_devices.begin(); iter != list_devices.end(); iter++ )
gbazin's avatar
 
gbazin committed
427
        msg_Dbg( p_input, "found device: %s", iter->c_str() );
gbazin's avatar
 
gbazin committed
428 429 430 431 432 433 434 435

    /* 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
gbazin's avatar
 
gbazin committed
436 437 438 439 440 441 442 443 444 445 446
    // a capture/preview device, such as a desktop USB video camera.
    IBaseFilter *p_device_filter =
        FindCaptureDevice( (vlc_object_t *)p_input, &devicename,
                           NULL, b_audio );
    if( p_device_filter )
        msg_Dbg( p_input, "using device: %s", devicename.c_str() );
    else
    {
        msg_Err( p_input, "can't use device: %s", devicename.c_str() );
        return VLC_EGENERIC;
    }
gbazin's avatar
 
gbazin committed
447

gbazin's avatar
 
gbazin committed
448
    AM_MEDIA_TYPE media_type =
449 450 451
        EnumDeviceCaps( (vlc_object_t *)p_input, p_device_filter,
                        p_sys->i_chroma, p_sys->i_width, p_sys->i_height,
                        0, 0, 0 );
gbazin's avatar
 
gbazin committed
452

gbazin's avatar
 
gbazin committed
453
    /* Create and add our capture filter */
gbazin's avatar
 
gbazin committed
454
    CaptureFilter *p_capture_filter = new CaptureFilter( p_input, media_type );
gbazin's avatar
 
gbazin committed
455
    p_sys->p_graph->AddFilter( p_capture_filter, 0 );
gbazin's avatar
 
gbazin committed
456 457 458

    /* Add the device filter to the graph (seems necessary with VfW before
     * accessing pin attributes). */
gbazin's avatar
 
gbazin committed
459
    p_sys->p_graph->AddFilter( p_device_filter, 0 );
gbazin's avatar
 
gbazin committed
460

gbazin's avatar
 
gbazin committed
461
    /* Attempt to connect one of this device's capture output pins */
gbazin's avatar
 
gbazin committed
462
    msg_Dbg( p_input, "connecting filters" );
gbazin's avatar
 
gbazin committed
463 464
    if( ConnectFilters( p_sys->p_graph, p_device_filter,
                        p_capture_filter->CustomGetPin() ) )
gbazin's avatar
 
gbazin committed
465 466
    {
        /* Success */
gbazin's avatar
 
gbazin committed
467
        dshow_stream_t dshow_stream;
gbazin's avatar
 
gbazin committed
468
        dshow_stream.b_invert = VLC_FALSE;
469
        dshow_stream.b_pts = VLC_FALSE;
gbazin's avatar
 
gbazin committed
470 471
        dshow_stream.mt =
            p_capture_filter->CustomGetPin()->CustomGetMediaType();
gbazin's avatar
 
gbazin committed
472

gbazin's avatar
 
gbazin committed
473
        if( dshow_stream.mt.majortype == MEDIATYPE_Video )
gbazin's avatar
 
gbazin committed
474
        {
gbazin's avatar
 
gbazin committed
475 476
            msg_Dbg( p_input, "MEDIATYPE_Video");

gbazin's avatar
 
gbazin committed
477 478 479 480 481
            /* Packed RGB formats */
            if( dshow_stream.mt.subtype == MEDIASUBTYPE_RGB1 )
                dshow_stream.i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '1' );
            if( dshow_stream.mt.subtype == MEDIASUBTYPE_RGB4 )
                dshow_stream.i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '4' );
gbazin's avatar
 
gbazin committed
482
            if( dshow_stream.mt.subtype == MEDIASUBTYPE_RGB8 )
gbazin's avatar
 
gbazin committed
483
                dshow_stream.i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '8' );
gbazin's avatar
 
gbazin committed
484 485 486 487 488 489 490 491 492 493
            else if( dshow_stream.mt.subtype == MEDIASUBTYPE_RGB555 )
                dshow_stream.i_fourcc = VLC_FOURCC( 'R', 'V', '1', '5' );
            else if( dshow_stream.mt.subtype == MEDIASUBTYPE_RGB565 )
                dshow_stream.i_fourcc = VLC_FOURCC( 'R', 'V', '1', '6' );
            else if( dshow_stream.mt.subtype == MEDIASUBTYPE_RGB24 )
                dshow_stream.i_fourcc = VLC_FOURCC( 'R', 'V', '2', '4' );
            else if( dshow_stream.mt.subtype == MEDIASUBTYPE_RGB32 )
                dshow_stream.i_fourcc = VLC_FOURCC( 'R', 'V', '3', '2' );
            else if( dshow_stream.mt.subtype == MEDIASUBTYPE_ARGB32 )
                dshow_stream.i_fourcc = VLC_FOURCC( 'R', 'G', 'B', 'A' );
gbazin's avatar
 
gbazin committed
494 495 496 497

            /* Packed YUV formats */
            else if( dshow_stream.mt.subtype == MEDIASUBTYPE_YVYU )
                dshow_stream.i_fourcc = VLC_FOURCC( 'Y', 'V', 'Y', 'U' );
gbazin's avatar
 
gbazin committed
498 499 500 501
            else if( dshow_stream.mt.subtype == MEDIASUBTYPE_YUYV )
                dshow_stream.i_fourcc = VLC_FOURCC( 'Y', 'U', 'Y', 'V' );
            else if( dshow_stream.mt.subtype == MEDIASUBTYPE_Y411 )
                dshow_stream.i_fourcc = VLC_FOURCC( 'I', '4', '1', 'N' );
gbazin's avatar
 
gbazin committed
502 503 504 505 506 507 508 509 510
            else if( dshow_stream.mt.subtype == MEDIASUBTYPE_Y211 )
                dshow_stream.i_fourcc = VLC_FOURCC( 'Y', '2', '1', '1' );
            else if( dshow_stream.mt.subtype == MEDIASUBTYPE_YUY2 ||
                     dshow_stream.mt.subtype == MEDIASUBTYPE_UYVY )
                dshow_stream.i_fourcc = VLC_FOURCC( 'Y', 'U', 'Y', '2' );

            /* Planar YUV formats */
            else if( dshow_stream.mt.subtype == MEDIASUBTYPE_I420 )
                dshow_stream.i_fourcc = VLC_FOURCC( 'I', '4', '2', '0' );
gbazin's avatar
 
gbazin committed
511 512
            else if( dshow_stream.mt.subtype == MEDIASUBTYPE_Y41P )
                dshow_stream.i_fourcc = VLC_FOURCC( 'I', '4', '1', '1' );
gbazin's avatar
 
gbazin committed
513 514
            else if( dshow_stream.mt.subtype == MEDIASUBTYPE_YV12 ||
                     dshow_stream.mt.subtype == MEDIASUBTYPE_IYUV )
gbazin's avatar
 
gbazin committed
515
                dshow_stream.i_fourcc = VLC_FOURCC( 'Y', 'V', '1', '2' );
gbazin's avatar
 
gbazin committed
516 517 518
            else if( dshow_stream.mt.subtype == MEDIASUBTYPE_YVU9 )
                dshow_stream.i_fourcc = VLC_FOURCC( 'Y', 'V', 'U', '9' );

gbazin's avatar
 
gbazin committed
519 520 521 522 523
            else goto fail;

            dshow_stream.header.video =
                *(VIDEOINFOHEADER *)dshow_stream.mt.pbFormat;

gbazin's avatar
 
gbazin committed
524 525 526
            int i_height = dshow_stream.header.video.bmiHeader.biHeight;

            /* Check if the image is inverted (bottom to top) */
gbazin's avatar
 
gbazin committed
527 528 529 530
            if( dshow_stream.i_fourcc == VLC_FOURCC( 'R', 'G', 'B', '1' ) ||
                dshow_stream.i_fourcc == VLC_FOURCC( 'R', 'G', 'B', '4' ) ||
                dshow_stream.i_fourcc == VLC_FOURCC( 'R', 'G', 'B', '8' ) ||
                dshow_stream.i_fourcc == VLC_FOURCC( 'R', 'V', '1', '5' ) ||
gbazin's avatar
 
gbazin committed
531 532 533 534 535 536 537 538 539
                dshow_stream.i_fourcc == VLC_FOURCC( 'R', 'V', '1', '6' ) ||
                dshow_stream.i_fourcc == VLC_FOURCC( 'R', 'V', '2', '4' ) ||
                dshow_stream.i_fourcc == VLC_FOURCC( 'R', 'V', '3', '2' ) ||
                dshow_stream.i_fourcc == VLC_FOURCC( 'R', 'G', 'B', 'A' ) )
            {
                if( i_height > 0 ) dshow_stream.b_invert = VLC_TRUE;
                else i_height = - i_height;
            }

gbazin's avatar
 
gbazin committed
540 541 542 543 544 545 546 547 548
            /* Add video stream to header */
            p_sys->i_header_size += 20;
            p_sys->p_header = (uint8_t *)realloc( p_sys->p_header,
                                                  p_sys->i_header_size );
            memcpy(  &p_sys->p_header[p_sys->i_header_pos], "vids", 4 );
            memcpy(  &p_sys->p_header[p_sys->i_header_pos + 4],
                     &dshow_stream.i_fourcc, 4 );
            SetDWBE( &p_sys->p_header[p_sys->i_header_pos + 8],
                     dshow_stream.header.video.bmiHeader.biWidth );
gbazin's avatar
 
gbazin committed
549
            SetDWBE( &p_sys->p_header[p_sys->i_header_pos + 12], i_height );
gbazin's avatar
 
gbazin committed
550 551
            SetDWBE( &p_sys->p_header[p_sys->i_header_pos + 16], 0 );
            p_sys->i_header_pos = p_sys->i_header_size;
552 553 554 555 556

            /* Greatly simplifies the reading routine */
            int i_mtu = dshow_stream.header.video.bmiHeader.biWidth *
                dshow_stream.header.video.bmiHeader.biHeight * 4;
            p_input->i_mtu = __MAX(p_input->i_mtu,i_mtu);
gbazin's avatar
 
gbazin committed
557 558
        }

gbazin's avatar
 
gbazin committed
559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586
        else if( dshow_stream.mt.majortype == MEDIATYPE_Audio &&
                 dshow_stream.mt.formattype == FORMAT_WaveFormatEx )
        {
            msg_Dbg( p_input, "MEDIATYPE_Audio");

            if( dshow_stream.mt.subtype == MEDIASUBTYPE_PCM )
                dshow_stream.i_fourcc = VLC_FOURCC( 'a', 'r', 'a', 'w' );
            else if( dshow_stream.mt.subtype == MEDIASUBTYPE_IEEE_FLOAT )
                dshow_stream.i_fourcc = VLC_FOURCC( 'f', 'l', '3', '2' );
            else goto fail;

            dshow_stream.header.audio =
                *(WAVEFORMATEX *)dshow_stream.mt.pbFormat;

            /* Add audio stream to header */
            p_sys->i_header_size += 20;
            p_sys->p_header = (uint8_t *)realloc( p_sys->p_header,
                                                  p_sys->i_header_size );
            memcpy(  &p_sys->p_header[p_sys->i_header_pos], "auds", 4 );
            memcpy(  &p_sys->p_header[p_sys->i_header_pos + 4],
                     &dshow_stream.i_fourcc, 4 );
            SetDWBE( &p_sys->p_header[p_sys->i_header_pos + 8],
                     dshow_stream.header.audio.nChannels );
            SetDWBE( &p_sys->p_header[p_sys->i_header_pos + 12],
                     dshow_stream.header.audio.nSamplesPerSec );
            SetDWBE( &p_sys->p_header[p_sys->i_header_pos + 16],
                     dshow_stream.header.audio.wBitsPerSample );
            p_sys->i_header_pos = p_sys->i_header_size;
587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611

            /* Greatly simplifies the reading routine */
            IAMBufferNegotiation *p_ambuf;
            IPin *p_pin;
            int i_mtu;

            p_capture_filter->CustomGetPin()->ConnectedTo( &p_pin );
            if( SUCCEEDED( p_pin->QueryInterface(
                  IID_IAMBufferNegotiation, (void **)&p_ambuf ) ) )
            {
                ALLOCATOR_PROPERTIES AllocProp;
                memset( &AllocProp, 0, sizeof( ALLOCATOR_PROPERTIES ) );
                p_ambuf->GetAllocatorProperties( &AllocProp );
                p_ambuf->Release();
                i_mtu = AllocProp.cbBuffer;
            }
            else
            {
                /* Worst case */
                i_mtu = dshow_stream.header.audio.nSamplesPerSec *
                        dshow_stream.header.audio.nChannels *
                        dshow_stream.header.audio.wBitsPerSample / 8;
            }
            p_pin->Release();
            p_input->i_mtu = __MAX( p_input->i_mtu, i_mtu );
gbazin's avatar
 
gbazin committed
612 613
        }
        else goto fail;
gbazin's avatar
 
gbazin committed
614

gbazin's avatar
 
gbazin committed
615 616 617
        /* Add directshow elementary stream to our list */
        dshow_stream.p_device_filter = p_device_filter;
        dshow_stream.p_capture_filter = p_capture_filter;
gbazin's avatar
 
gbazin committed
618

gbazin's avatar
 
gbazin committed
619 620 621 622 623 624 625
        p_sys->pp_streams =
            (dshow_stream_t **)realloc( p_sys->pp_streams,
                                        sizeof(dshow_stream_t *)
                                        * (p_sys->i_streams + 1) );
        p_sys->pp_streams[p_sys->i_streams] = new dshow_stream_t;
        *p_sys->pp_streams[p_sys->i_streams++] = dshow_stream;
        SetDWBE( &p_sys->p_header[4], (uint32_t)p_sys->i_streams );
gbazin's avatar
 
gbazin committed
626 627 628 629

        return VLC_SUCCESS;
    }

gbazin's avatar
 
gbazin committed
630
 fail:
gbazin's avatar
 
gbazin committed
631
    /* Remove filters from graph */
gbazin's avatar
 
gbazin committed
632 633
    p_sys->p_graph->RemoveFilter( p_device_filter );
    p_sys->p_graph->RemoveFilter( p_capture_filter );
gbazin's avatar
 
gbazin committed
634 635

    /* Release objects */
gbazin's avatar
 
gbazin committed
636 637
    p_device_filter->Release();
    p_capture_filter->Release();
gbazin's avatar
 
gbazin committed
638 639 640 641 642 643

    return VLC_EGENERIC;
}

static IBaseFilter *
FindCaptureDevice( vlc_object_t *p_this, string *p_devicename,
gbazin's avatar
 
gbazin committed
644
                   list<string> *p_listdevices, vlc_bool_t b_audio )
gbazin's avatar
 
gbazin committed
645
{
gbazin's avatar
 
gbazin committed
646 647 648
    IBaseFilter *p_base_filter = NULL;
    IMoniker *p_moniker = NULL;
    ULONG i_fetched;
gbazin's avatar
 
gbazin committed
649 650 651
    HRESULT hr;

    /* Create the system device enumerator */
gbazin's avatar
 
gbazin committed
652
    ICreateDevEnum *p_dev_enum = NULL;
gbazin's avatar
 
gbazin committed
653 654

    hr = CoCreateInstance( CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
gbazin's avatar
 
gbazin committed
655
                           IID_ICreateDevEnum, (void **)&p_dev_enum );
gbazin's avatar
 
gbazin committed
656 657 658 659 660 661 662
    if( FAILED(hr) )
    {
        msg_Err( p_this, "failed to create the device enumerator (0x%x)", hr);
        return NULL;
    }

    /* Create an enumerator for the video capture devices */
gbazin's avatar
 
gbazin committed
663 664 665 666 667 668 669 670
    IEnumMoniker *p_class_enum = NULL;
    if( !b_audio )
        hr = p_dev_enum->CreateClassEnumerator( CLSID_VideoInputDeviceCategory,
                                                &p_class_enum, 0 );
    else
        hr = p_dev_enum->CreateClassEnumerator( CLSID_AudioInputDeviceCategory,
                                                &p_class_enum, 0 );
    p_dev_enum->Release();
gbazin's avatar
 
gbazin committed
671 672 673 674 675 676
    if( FAILED(hr) )
    {
        msg_Err( p_this, "failed to create the class enumerator (0x%x)", hr );
        return NULL;
    }

Sam Hocevar's avatar
Sam Hocevar committed
677
    /* If there are no enumerators for the requested type, then
gbazin's avatar
 
gbazin committed
678 679
     * CreateClassEnumerator will succeed, but p_class_enum will be NULL */
    if( p_class_enum == NULL )
gbazin's avatar
 
gbazin committed
680
    {
gbazin's avatar
 
gbazin committed
681
        msg_Err( p_this, "no capture device was detected." );
gbazin's avatar
 
gbazin committed
682 683 684 685 686 687 688 689 690
        return NULL;
    }

    /* Enumerate the devices */

    /* Note that if the Next() call succeeds but there are no monikers,
     * it will return S_FALSE (which is not a failure). Therefore, we check
     * that the return code is S_OK instead of using SUCCEEDED() macro. */

gbazin's avatar
 
gbazin committed
691
    while( p_class_enum->Next( 1, &p_moniker, &i_fetched ) == S_OK )
gbazin's avatar
 
gbazin committed
692 693
    {
        /* Getting the property page to get the device name */
gbazin's avatar
 
gbazin committed
694 695 696
        IPropertyBag *p_bag;
        hr = p_moniker->BindToStorage( 0, 0, IID_IPropertyBag,
                                       (void **)&p_bag );
gbazin's avatar
 
gbazin committed
697 698 699 700
        if( SUCCEEDED(hr) )
        {
            VARIANT var;
            var.vt = VT_BSTR;
gbazin's avatar
 
gbazin committed
701 702
            hr = p_bag->Read( L"FriendlyName", &var, NULL );
            p_bag->Release();
gbazin's avatar
 
gbazin committed
703 704 705 706 707 708 709 710 711 712 713 714 715
            if( SUCCEEDED(hr) )
            {
                int i_convert = ( lstrlenW( var.bstrVal ) + 1 ) * 2;
                char *p_buf = (char *)alloca( i_convert ); p_buf[0] = 0;
                WideCharToMultiByte( CP_ACP, 0, var.bstrVal, -1, p_buf,
                                     i_convert, NULL, NULL );
                SysFreeString(var.bstrVal);

                if( p_listdevices ) p_listdevices->push_back( p_buf );

                if( p_devicename && *p_devicename == string(p_buf) )
                {
                    /* Bind Moniker to a filter object */
gbazin's avatar
 
gbazin committed
716 717
                    hr = p_moniker->BindToObject( 0, 0, IID_IBaseFilter,
                                                  (void **)&p_base_filter );
gbazin's avatar
 
gbazin committed
718 719 720 721
                    if( FAILED(hr) )
                    {
                        msg_Err( p_this, "couldn't bind moniker to filter "
                                 "object (0x%x)", hr );
gbazin's avatar
 
gbazin committed
722 723
                        p_moniker->Release();
                        p_class_enum->Release();
gbazin's avatar
 
gbazin committed
724 725
                        return NULL;
                    }
gbazin's avatar
 
gbazin committed
726 727 728
                    p_moniker->Release();
                    p_class_enum->Release();
                    return p_base_filter;
gbazin's avatar
 
gbazin committed
729 730 731
                }
            }
        }
gbazin's avatar
 
gbazin committed
732 733

        p_moniker->Release();
gbazin's avatar
 
gbazin committed
734 735
    }

gbazin's avatar
 
gbazin committed
736
    p_class_enum->Release();
gbazin's avatar
 
gbazin committed
737 738 739
    return NULL;
}

gbazin's avatar
 
gbazin committed
740
static AM_MEDIA_TYPE EnumDeviceCaps( vlc_object_t *p_this,
741 742 743 744
                                     IBaseFilter *p_filter,
                                     int i_chroma, int i_width, int i_height,
                                     int i_channels, int i_samplespersec,
                                     int i_bitspersample )
gbazin's avatar
 
gbazin committed
745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762
{
    IEnumPins *p_enumpins;
    IPin *p_output_pin;
    IEnumMediaTypes *p_enummt;

    AM_MEDIA_TYPE media_type;
    media_type.majortype = GUID_NULL;
    media_type.subtype = GUID_NULL;
    media_type.formattype = GUID_NULL;
    media_type.pUnk = NULL;
    media_type.cbFormat = 0;
    media_type.pbFormat = NULL;

    if( S_OK != p_filter->EnumPins( &p_enumpins ) ) return media_type;

    /*while*/if( p_enumpins->Next( 1, &p_output_pin, NULL ) == S_OK )
    {
        /* Probe pin */
763
        if( SUCCEEDED( p_output_pin->EnumMediaTypes( &p_enummt ) ) )
gbazin's avatar
 
gbazin committed
764 765 766 767 768
        {
            AM_MEDIA_TYPE *p_mt;
            while( p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
            {

769
                if( p_mt->majortype == MEDIATYPE_Video )
gbazin's avatar
 
gbazin committed
770
                {
771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815
                    int i_fourcc = VLC_FOURCC(' ', ' ', ' ', ' ');

                    /* Packed RGB formats */
                    if( p_mt->subtype == MEDIASUBTYPE_RGB1 )
                        i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '1' );
                    if( p_mt->subtype == MEDIASUBTYPE_RGB4 )
                        i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '4' );
                    if( p_mt->subtype == MEDIASUBTYPE_RGB8 )
                        i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '8' );
                    else if( p_mt->subtype == MEDIASUBTYPE_RGB555 )
                        i_fourcc = VLC_FOURCC( 'R', 'V', '1', '5' );
                    else if( p_mt->subtype == MEDIASUBTYPE_RGB565 )
                        i_fourcc = VLC_FOURCC( 'R', 'V', '1', '6' );
                    else if( p_mt->subtype == MEDIASUBTYPE_RGB24 )
                        i_fourcc = VLC_FOURCC( 'R', 'V', '2', '4' );
                    else if( p_mt->subtype == MEDIASUBTYPE_RGB32 )
                        i_fourcc = VLC_FOURCC( 'R', 'V', '3', '2' );
                    else if( p_mt->subtype == MEDIASUBTYPE_ARGB32 )
                        i_fourcc = VLC_FOURCC( 'R', 'G', 'B', 'A' );
                    else i_fourcc = *((int *)&p_mt->subtype);

                    int i_current_width = p_mt->pbFormat ?
                        ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth : 0;
                    int i_current_height = p_mt->pbFormat ?
                        ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight : 0;

                    msg_Dbg( p_this, "EnumDeviceCaps: input pin "
                             "accepts chroma: %4.4s, width:%i, height:%i",
                             (char *)&i_fourcc, i_current_width,
                             i_current_height );

                    if( (!i_chroma || i_fourcc == i_chroma) &&
                        (!i_width || i_width == i_current_width) &&
                        (!i_height || i_height == i_current_height) )
                    {
                        /* Pick the 1st match */
                        media_type = *p_mt;
                        i_chroma = i_fourcc;
                        i_width = i_current_width;
                        i_height = i_current_height;
                    }
                    else
                    {
                        FreeMediaType( *p_mt );
                    }
gbazin's avatar
 
gbazin committed
816
                }
817
                else if( p_mt->majortype == MEDIATYPE_Audio )
gbazin's avatar
 
gbazin committed
818
                {
819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868
                    int i_fourcc;
                    int i_current_channels =
                        ((WAVEFORMATEX *)p_mt->pbFormat)->nChannels;
                    int i_current_samplespersec =
                        ((WAVEFORMATEX *)p_mt->pbFormat)->nSamplesPerSec;
                    int i_current_bitspersample =
                        ((WAVEFORMATEX *)p_mt->pbFormat)->wBitsPerSample;

                    if( p_mt->subtype == MEDIASUBTYPE_PCM )
                        i_fourcc = VLC_FOURCC( 'p', 'c', 'm', ' ' );
                    else i_fourcc = *((int *)&p_mt->subtype);

                    msg_Dbg( p_this, "EnumDeviceCaps: input pin "
                             "accepts format: %4.4s, channels:%i, "
                             "samples/sec:%i bits/sample:%i",
                             (char *)&i_fourcc, i_current_channels,
                             i_current_samplespersec, i_current_bitspersample);

                    if( (!i_channels || i_channels == i_current_channels) &&
                        (!i_samplespersec ||
                         i_samplespersec == i_current_samplespersec) &&
                        (!i_bitspersample ||
                         i_bitspersample == i_current_bitspersample) )
                    {
                        /* Pick the 1st match */
                        media_type = *p_mt;
                        i_channels = i_current_channels;
                        i_samplespersec = i_current_samplespersec;
                        i_bitspersample = i_current_bitspersample;

                        /* Setup a few properties like the audio latency */
                        IAMBufferNegotiation *p_ambuf;

                        if( SUCCEEDED( p_output_pin->QueryInterface(
                              IID_IAMBufferNegotiation, (void **)&p_ambuf ) ) )
                        {
                            ALLOCATOR_PROPERTIES AllocProp;
                            AllocProp.cbAlign = -1;
                            AllocProp.cbBuffer = i_channels * i_samplespersec *
                              i_bitspersample / 8 / 10 ; /*100 ms of latency*/
                            AllocProp.cbPrefix = -1;
                            AllocProp.cBuffers = -1;
                            p_ambuf->SuggestAllocatorProperties( &AllocProp );
                            p_ambuf->Release();
                        }
                    }
                    else
                    {
                        FreeMediaType( *p_mt );
                    }
gbazin's avatar
 
gbazin committed
869
                }
870

gbazin's avatar
 
gbazin committed
871 872 873 874
                CoTaskMemFree( (PVOID)p_mt );
            }
            p_enummt->Release();
        }
875

gbazin's avatar
 
gbazin committed
876 877 878 879 880 881 882
        p_output_pin->Release();
    }

    p_enumpins->Release();
    return media_type;
}

gbazin's avatar
 
gbazin committed
883 884 885 886 887 888
/*****************************************************************************
 * Read: reads from the device into PES packets.
 *****************************************************************************
 * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
 * bytes.
 *****************************************************************************/
889 890
static ssize_t Read( input_thread_t * p_input, byte_t * p_buffer,
                     size_t i_len )
gbazin's avatar
 
gbazin committed
891
{
gbazin's avatar
 
gbazin committed
892
    access_sys_t   *p_sys = p_input->p_access_data;
893 894 895 896 897
    dshow_stream_t *p_stream = NULL;
    byte_t         *p_buf_orig = p_buffer;
    VLCMediaSample  sample;
    int             i_data_size;
    uint8_t         *p_data;
gbazin's avatar
 
gbazin committed
898

899 900 901 902 903 904 905
    if( p_sys->i_header_pos )
    {
        /* First header of the stream */
        memcpy( p_buffer, p_sys->p_header, p_sys->i_header_size );
        p_buffer += p_sys->i_header_size;
        p_sys->i_header_pos = 0;
    }
gbazin's avatar
 
gbazin committed
906

907
    while( 1 )
gbazin's avatar
 
gbazin committed
908
    {
909 910 911 912 913 914 915 916
        /* Get new sample/frame from next elementary stream.
         * We first loop through all the elementary streams and if all our
         * fifos are empty we block until we are signaled some new data has
         * arrived. */
        vlc_mutex_lock( &p_sys->lock );

        int i_stream;
        for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
gbazin's avatar
 
gbazin committed
917
        {
918 919 920 921 922 923 924 925
            p_stream = p_sys->pp_streams[i_stream];
            if( p_stream->mt.majortype == MEDIATYPE_Audio &&
                p_stream->p_capture_filter &&
                p_stream->p_capture_filter->CustomGetPin()
                  ->CustomGetSample( &sample ) == S_OK )
            {
                break;
            }
gbazin's avatar
 
gbazin committed
926
        }
927 928
        if( i_stream == p_sys->i_streams )
        for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
gbazin's avatar
 
gbazin committed
929
        {
930 931 932 933
            p_stream = p_sys->pp_streams[i_stream];
            if( p_stream->p_capture_filter &&
                p_stream->p_capture_filter->CustomGetPin()
                  ->CustomGetSample( &sample ) == S_OK )
gbazin's avatar
 
gbazin committed
934
            {
935
                break;
gbazin's avatar
 
gbazin committed
936
            }
937 938 939 940 941 942 943 944
        }
        if( i_stream == p_sys->i_streams )
        {
            /* No data available. Wait until some data has arrived */
            vlc_cond_wait( &p_sys->wait, &p_sys->lock );
            vlc_mutex_unlock( &p_sys->lock );
            continue;
        }
gbazin's avatar
 
gbazin committed
945

946
        vlc_mutex_unlock( &p_sys->lock );
gbazin's avatar
 
gbazin committed
947

948 949 950 951 952
        /*
         * We got our sample
         */
        i_data_size = sample.p_sample->GetActualDataLength();
        sample.p_sample->GetPointer( &p_data );
gbazin's avatar
 
gbazin committed
953

954 955 956
        REFERENCE_TIME i_pts, i_end_date;
        HRESULT hr = sample.p_sample->GetTime( &i_pts, &i_end_date );
        if( hr != VFW_S_NO_STOP_TIME && hr != S_OK ) i_pts = 0;
gbazin's avatar
 
gbazin committed
957

958 959 960 961 962 963 964
        if( !i_pts )
        {
            if( p_stream->mt.majortype == MEDIATYPE_Video || !p_stream->b_pts )
            {
                /* Use our data timestamp */
                i_pts = sample.i_timestamp;
                p_stream->b_pts = VLC_TRUE;
gbazin's avatar
 
gbazin committed
965
            }
gbazin's avatar
 
gbazin committed
966 967
        }

968 969 970
#if 0
        msg_Dbg( p_input, "Read() stream: %i PTS: "I64Fd, i_stream, i_pts );
#endif
gbazin's avatar
 
gbazin committed
971

972 973 974 975 976 977 978 979 980 981 982 983
        /* Create pseudo header */
        SetDWBE( &p_sys->p_header[0], i_stream );
        SetDWBE( &p_sys->p_header[4], i_data_size );
        SetQWBE( &p_sys->p_header[8], i_pts  * 9 / 1000 );

#if 0
        msg_Info( p_input, "access read %i data_size %i", i_len, i_data_size );
#endif

        /* First copy header */
        memcpy( p_buffer, p_sys->p_header, 16 /* header size */ );
        p_buffer += 16 /* header size */;
gbazin's avatar
 
gbazin committed
984

985 986
        /* Then copy stream data if any */
        if( !p_stream->b_invert )
gbazin's avatar
 
gbazin committed
987
        {
988 989
            p_input->p_vlc->pf_memcpy( p_buffer, p_data, i_data_size );
            p_buffer += i_data_size;
gbazin's avatar
 
gbazin committed
990
        }
991
        else
gbazin's avatar
 
gbazin committed
992
        {
993 994
            int i_width = p_stream->header.video.bmiHeader.biWidth;
            int i_height = p_stream->header.video.bmiHeader.biHeight;
gbazin's avatar
 
gbazin committed
995

996
            switch( p_stream->i_fourcc )
gbazin's avatar
 
gbazin committed
997
            {
998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008
            case VLC_FOURCC( 'R', 'V', '1', '5' ):
            case VLC_FOURCC( 'R', 'V', '1', '6' ):
                i_width *= 2;
                break;
            case VLC_FOURCC( 'R', 'V', '2', '4' ):
                i_width *= 3;
                break;
            case VLC_FOURCC( 'R', 'V', '3', '2' ):
            case VLC_FOURCC( 'R', 'G', 'B', 'A' ):
                i_width *= 4;
                break;
gbazin's avatar
 
gbazin committed
1009 1010
            }

1011 1012 1013 1014
            for( int i = i_height - 1; i >= 0; i-- )
            {
                p_input->p_vlc->pf_memcpy( p_buffer,
                     &p_data[i * i_width], i_width );
gbazin's avatar
 
gbazin committed
1015

1016 1017
                p_buffer += i_width;
            }
gbazin's avatar
 
gbazin committed
1018
        }
1019 1020 1021 1022 1023

        sample.p_sample->Release();

        /* The caller got what he wanted */
        return p_buffer - p_buf_orig;
gbazin's avatar
 
gbazin committed
1024 1025
    }

1026
    return 0; /* never reached */
gbazin's avatar
 
gbazin committed
1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041
}

/****************************************************************************
 * I. Demux Part
 ****************************************************************************/
static int DemuxOpen( vlc_object_t *p_this )
{
    input_thread_t *p_input = (input_thread_t *)p_this;

    uint8_t        *p_peek;
    int            i_streams;
    int            i;

    data_packet_t  *p_pk;

gbazin's avatar
 
gbazin committed
1042
    /* a little test to see if it's a dshow stream */
gbazin's avatar
 
gbazin committed
1043 1044
    if( input_Peek( p_input, &p_peek, 8 ) < 8 )
    {
gbazin's avatar
 
gbazin committed
1045
        msg_Warn( p_input, "dshow plugin discarded (cannot peek)" );
1046
        return VLC_EGENERIC;
gbazin's avatar
 
gbazin committed
1047 1048 1049 1050 1051
    }

    if( strcmp( (const char *)p_peek, ".dsh" ) ||
        GetDWBE( &p_peek[4] ) <= 0 )
    {
gbazin's avatar
 
gbazin committed
1052
        msg_Warn( p_input, "dshow plugin discarded (not a valid stream)" );
gbazin's avatar
 
gbazin committed
1053 1054 1055 1056 1057 1058 1059 1060 1061
        return VLC_EGENERIC;
    }

    /*  create one program */
    vlc_mutex_lock( &p_input->stream.stream_lock );
    if( input_InitStream( p_input, 0 ) == -1)
    {
        vlc_mutex_unlock( &p_input->stream.stream_lock );
        msg_Err( p_input, "cannot init stream" );
1062
        return VLC_EGENERIC;
gbazin's avatar
 
gbazin committed
1063 1064 1065 1066 1067
    }
    if( input_AddProgram( p_input, 0, 0) == NULL )
    {
        vlc_mutex_unlock( &p_input->stream.stream_lock );
        msg_Err( p_input, "cannot add program" );
1068
        return VLC_EGENERIC;
gbazin's avatar
 
gbazin committed
1069 1070 1071 1072 1073 1074 1075 1076 1077
    }

    p_input->stream.p_selected_program = p_input->stream.pp_programs[0];
    p_input->stream.i_mux_rate =  0;

    i_streams = GetDWBE( &p_peek[4] );
    if( input_Peek( p_input, &p_peek, 8 + 20 * i_streams )
        < 8 + 20 * i_streams )
    {
gbazin's avatar
 
gbazin committed
1078
        msg_Err( p_input, "dshow plugin discarded (cannot peek)" );
1079
        return VLC_EGENERIC;
gbazin's avatar
 
gbazin committed
1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153
    }
    p_peek += 8;

    for( i = 0; i < i_streams; i++ )
    {
        es_descriptor_t *p_es;

        if( !strncmp( (const char *)p_peek, "auds", 4 ) )
        {
#define wf ((WAVEFORMATEX*)p_es->p_waveformatex)
            p_es = input_AddES( p_input, p_input->stream.pp_programs[0],
                                i + 1, AUDIO_ES, NULL, 0 );
            p_es->i_stream_id   = i + 1;
            p_es->i_fourcc      =
                VLC_FOURCC( p_peek[4], p_peek[5], p_peek[6], p_peek[7] );

            p_es->p_waveformatex= malloc( sizeof( WAVEFORMATEX ) );

            wf->wFormatTag      = 0;//WAVE_FORMAT_UNKNOWN;
            wf->nChannels       = GetDWBE( &p_peek[8] );
            wf->nSamplesPerSec  = GetDWBE( &p_peek[12] );
            wf->wBitsPerSample  = GetDWBE( &p_peek[16] );
            wf->nBlockAlign     = wf->wBitsPerSample * wf->nChannels / 8;
            wf->nAvgBytesPerSec = wf->nBlockAlign * wf->nSamplesPerSec;
            wf->cbSize          = 0;

            msg_Dbg( p_input, "added new audio es %d channels %dHz",
                     wf->nChannels, wf->nSamplesPerSec );

            input_SelectES( p_input, p_es );
#undef wf
        }
        else if( !strncmp( (const char *)p_peek, "vids", 4 ) )
        {
#define bih ((BITMAPINFOHEADER*)p_es->p_bitmapinfoheader)
            p_es = input_AddES( p_input, p_input->stream.pp_programs[0],
                                i + 1, VIDEO_ES, NULL, 0 );
            p_es->i_stream_id   = i + 1;
            p_es->i_fourcc  =
                VLC_FOURCC( p_peek[4], p_peek[5], p_peek[6], p_peek[7] );

            p_es->p_bitmapinfoheader = malloc( sizeof( BITMAPINFOHEADER ) );

            bih->biSize     = sizeof( BITMAPINFOHEADER );
            bih->biWidth    = GetDWBE( &p_peek[8] );
            bih->biHeight   = GetDWBE( &p_peek[12] );
            bih->biPlanes   = 0;
            bih->biBitCount = 0;
            bih->biCompression      = 0;
            bih->biSizeImage= 0;
            bih->biXPelsPerMeter    = 0;
            bih->biYPelsPerMeter    = 0;
            bih->biClrUsed  = 0;
            bih->biClrImportant     = 0;

            msg_Dbg( p_input, "added new video es %4.4s %dx%d",
                     (char*)&p_es->i_fourcc, bih->biWidth, bih->biHeight );

            input_SelectES( p_input, p_es );
#undef bih
        }

        p_peek += 20;
    }

    p_input->stream.p_selected_program->b_is_ok = 1;
    vlc_mutex_unlock( &p_input->stream.stream_lock );

    if( input_SplitBuffer( p_input, &p_pk, 8 + i_streams * 20 ) > 0 )
    {
        input_DeletePacket( p_input->p_method_data, p_pk );
    }

    p_input->pf_demux = Demux;
1154
    p_input->pf_demux_control = demux_vaControlDefault;
gbazin's avatar
 
gbazin committed
1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175
    return VLC_SUCCESS;
}

static void DemuxClose( vlc_object_t *p_this )
{
    return;
}

static int Demux( input_thread_t *p_input )
{
    es_descriptor_t *p_es;
    pes_packet_t    *p_pes;

    int i_stream;
    int i_size;
    uint8_t *p_peek;
    mtime_t i_pcr;

    if( input_Peek( p_input, &p_peek, 16 ) < 16 )
    {
        msg_Warn( p_input, "cannot peek (EOF ?)" );
1176
        return 0;
gbazin's avatar
 
gbazin committed
1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193
    }

    i_stream = GetDWBE( &p_peek[0] );
    i_size   = GetDWBE( &p_peek[4] );
    i_pcr    = GetQWBE( &p_peek[8] );

    p_es = p_input->stream.p_selected_program->pp_es[i_stream];
    if( !p_es )
    {
        msg_Err( p_input, "cannot find ES" );
    }

    p_pes = input_NewPES( p_input->p_method_data );
    if( p_pes == NULL )
    {
        msg_Warn( p_input, "cannot allocate PES" );
        msleep( 1000 );