dshow.cpp 48.7 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 4
 *****************************************************************************
 * Copyright (C) 2002 VideoLAN
5
 * $Id: dshow.cpp,v 1.15 2003/11/24 19:30:54 fenrir Exp $
Gildas Bazin's avatar
 
Gildas Bazin 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
 *
 * 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"

/*****************************************************************************
38
 * Module descriptor
Gildas Bazin's avatar
 
Gildas Bazin committed
39
 *****************************************************************************/
40 41 42 43 44
static char *ppsz_vdev[] = { "", "none" };
static char *ppsz_vdev_text[] = { N_("Default"), N_("None") };
static char *ppsz_adev[] = { "", "none" };
static char *ppsz_adev_text[] = { N_("Default"), N_("None") };

Gildas Bazin's avatar
 
Gildas Bazin committed
45 46 47 48
#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." )
49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67
#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...)")
Gildas Bazin's avatar
 
Gildas Bazin committed
68

69 70 71 72 73 74
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
75 76 77
vlc_module_begin();
    set_description( _("DirectShow input") );
    add_category_hint( N_("dshow"), NULL, VLC_TRUE );
78
    add_integer( "dshow-caching", (mtime_t)(0.2*CLOCK_FREQ) / 1000, NULL,
Gildas Bazin's avatar
 
Gildas Bazin committed
79
                 CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
80

81
    add_string( "dshow-vdev", NULL, NULL, VDEV_TEXT, VDEV_LONGTEXT, VLC_FALSE);
82 83
        change_string_list( ppsz_vdev, ppsz_vdev_text, FindDevicesCallback );

84
    add_string( "dshow-adev", NULL, NULL, ADEV_TEXT, ADEV_LONGTEXT, VLC_FALSE);
85 86
        change_string_list( ppsz_adev, ppsz_adev_text, FindDevicesCallback );

87
    add_string( "dshow-size", NULL, NULL, SIZE_TEXT, SIZE_LONGTEXT, VLC_FALSE);
88

89 90
    add_string( "dshow-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT,
                VLC_TRUE );
Gildas Bazin's avatar
 
Gildas Bazin committed
91
    add_shortcut( "dshow" );
Gildas Bazin's avatar
 
Gildas Bazin committed
92
    set_capability( "access", 0 );
Gildas Bazin's avatar
 
Gildas Bazin committed
93 94 95 96 97 98 99 100 101 102
    set_callbacks( AccessOpen, AccessClose );

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

vlc_module_end();

103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124

/*****************************************************************************
 * Access: local prototypes
 *****************************************************************************/
static ssize_t Read        ( input_thread_t *, byte_t *, size_t );
static ssize_t ReadDV      ( input_thread_t *, byte_t *, size_t );

static int OpenDevice( input_thread_t *, string, vlc_bool_t );
static IBaseFilter *FindCaptureDevice( vlc_object_t *, string *,
                                       list<string> *, vlc_bool_t );
static AM_MEDIA_TYPE EnumDeviceCaps( vlc_object_t *, IBaseFilter *,
                                     int, int, int, int, int, int );
static bool ConnectFilters( IFilterGraph *, IBaseFilter *, IPin * );

static int FindDevicesCallback( vlc_object_t *, char const *,
                                vlc_value_t, vlc_value_t, void * );
#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
Gildas Bazin's avatar
 
Gildas Bazin committed
125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160

/*
 * 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 );
}

Gildas Bazin's avatar
 
Gildas Bazin committed
161 162 163 164 165 166 167 168 169 170
/****************************************************************************
 * 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;
Gildas Bazin's avatar
 
Gildas Bazin committed
171
    vlc_bool_t      b_invert;
Gildas Bazin's avatar
 
Gildas Bazin committed
172 173 174 175 176 177 178 179

    union
    {
      VIDEOINFOHEADER video;
      WAVEFORMATEX    audio;

    } header;

180
    vlc_bool_t      b_pts;
Gildas Bazin's avatar
 
Gildas Bazin committed
181 182 183

} dshow_stream_t;

Gildas Bazin's avatar
 
Gildas Bazin committed
184 185 186 187 188
/****************************************************************************
 * Access descriptor declaration
 ****************************************************************************/
struct access_sys_t
{
189 190 191
    vlc_mutex_t lock;
    vlc_cond_t  wait;

Gildas Bazin's avatar
 
Gildas Bazin committed
192 193 194 195 196 197
    IFilterGraph  *p_graph;
    IMediaControl *p_control;

    /* header */
    int     i_header_size;
    int     i_header_pos;
Gildas Bazin's avatar
 
Gildas Bazin committed
198
    uint8_t *p_header;
Gildas Bazin's avatar
 
Gildas Bazin committed
199

Gildas Bazin's avatar
 
Gildas Bazin committed
200
    /* list of elementary streams */
Gildas Bazin's avatar
 
Gildas Bazin committed
201 202 203
    dshow_stream_t **pp_streams;
    int            i_streams;
    int            i_current_stream;
Gildas Bazin's avatar
 
Gildas Bazin committed
204 205 206 207 208

    /* misc properties */
    int            i_width;
    int            i_height;
    int            i_chroma;
Gildas Bazin's avatar
 
Gildas Bazin committed
209 210 211 212 213 214 215 216 217
};

/*****************************************************************************
 * 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;
218
    vlc_value_t    val;
Gildas Bazin's avatar
 
Gildas Bazin committed
219

220
    /* Get/parse options and open device(s) */
Gildas Bazin's avatar
 
Gildas Bazin committed
221
    string vdevname, adevname;
Gildas Bazin's avatar
 
Gildas Bazin committed
222
    int i_width = 0, i_height = 0, i_chroma = VLC_FOURCC('I','4','2','0');
Gildas Bazin's avatar
 
Gildas Bazin committed
223

224 225 226 227
    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 );
Gildas Bazin's avatar
 
Gildas Bazin committed
228

229 230 231 232 233 234 235 236
    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 )
Gildas Bazin's avatar
 
Gildas Bazin committed
237
    {
238
        if( !strcmp( val.psz_string, "subqcif" ) )
Gildas Bazin's avatar
 
Gildas Bazin committed
239
        {
240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267
            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')
Gildas Bazin's avatar
 
Gildas Bazin committed
268
            {
269
                i_height = strtol( psz_parser + 1, &psz_parser, 0 );
Gildas Bazin's avatar
 
Gildas Bazin committed
270
            }
271
            msg_Dbg( p_input, "Width x Height %dx%d", i_width, i_height );
Gildas Bazin's avatar
 
Gildas Bazin committed
272 273
        }
    }
274
    if( val.psz_string ) free( val.psz_string );
Gildas Bazin's avatar
 
Gildas Bazin committed
275

276 277 278 279 280 281 282 283
    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 );
Gildas Bazin's avatar
 
Gildas Bazin committed
284 285 286 287 288 289 290 291 292 293 294 295 296

    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
297

298 299 300
    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;
Gildas Bazin's avatar
 
Gildas Bazin committed
301 302 303 304 305 306 307

    /* 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 ) );
Gildas Bazin's avatar
 
Gildas Bazin committed
308 309 310 311

    /* Initialize some data */
    p_sys->i_streams = 0;
    p_sys->pp_streams = (dshow_stream_t **)malloc( 1 );
Gildas Bazin's avatar
 
Gildas Bazin committed
312 313 314
    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
315

Gildas Bazin's avatar
 
Gildas Bazin committed
316 317 318 319 320 321
    /* 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;
Gildas Bazin's avatar
 
Gildas Bazin committed
322

Gildas Bazin's avatar
 
Gildas Bazin committed
323 324 325 326 327 328 329
    /* 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 );

Gildas Bazin's avatar
 
Gildas Bazin committed
330
    if( OpenDevice( p_input, vdevname, 0 ) != VLC_SUCCESS )
Gildas Bazin's avatar
 
Gildas Bazin committed
331 332 333 334
    {
        msg_Err( p_input, "can't open video");
    }

Gildas Bazin's avatar
 
Gildas Bazin committed
335
    if( OpenDevice( p_input, adevname, 1 ) != VLC_SUCCESS )
Gildas Bazin's avatar
 
Gildas Bazin committed
336 337 338 339
    {
        msg_Err( p_input, "can't open audio");
    }

Gildas Bazin's avatar
 
Gildas Bazin committed
340
    if( !p_sys->i_streams )
Gildas Bazin's avatar
 
Gildas Bazin committed
341
    {
Gildas Bazin's avatar
 
Gildas Bazin committed
342
        /* Release directshow objects */
343
        if( p_sys->p_control ) p_sys->p_control->Release();
Gildas Bazin's avatar
 
Gildas Bazin committed
344
        p_sys->p_graph->Release();
Gildas Bazin's avatar
 
Gildas Bazin committed
345 346

        /* Uninitialize OLE/COM */
Sam Hocevar's avatar
Sam Hocevar committed
347
        CoUninitialize();
Gildas Bazin's avatar
 
Gildas Bazin committed
348

Gildas Bazin's avatar
 
Gildas Bazin committed
349
        free( p_sys->p_header );
350
        free( p_sys->pp_streams );
Gildas Bazin's avatar
 
Gildas Bazin committed
351 352 353 354
        free( p_sys );
        return VLC_EGENERIC;
    }

Gildas Bazin's avatar
 
Gildas Bazin committed
355 356
    /* Initialize some data */
    p_sys->i_current_stream = 0;
357 358 359 360
    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 );
Gildas Bazin's avatar
 
Gildas Bazin committed
361 362 363 364

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

Gildas Bazin's avatar
 
Gildas Bazin committed
365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380
    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 */
Gildas Bazin's avatar
 
Gildas Bazin committed
381 382 383
    for( int i = 0; i < p_sys->i_streams; i++ )
    {
        p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_capture_filter );
384
        p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_device_filter );
Gildas Bazin's avatar
 
Gildas Bazin committed
385
        p_sys->pp_streams[i]->p_capture_filter->Release();
386
        p_sys->pp_streams[i]->p_device_filter->Release();
Gildas Bazin's avatar
 
Gildas Bazin committed
387 388
    }
    p_sys->p_graph->Release();
Gildas Bazin's avatar
 
Gildas Bazin committed
389 390

    /* Uninitialize OLE/COM */
Sam Hocevar's avatar
Sam Hocevar committed
391
    CoUninitialize();
Gildas Bazin's avatar
 
Gildas Bazin committed
392

Gildas Bazin's avatar
 
Gildas Bazin committed
393 394 395
    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 );
Gildas Bazin's avatar
 
Gildas Bazin committed
396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423
    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;
}

Gildas Bazin's avatar
 
Gildas Bazin committed
424 425
static int OpenDevice( input_thread_t *p_input, string devicename,
                       vlc_bool_t b_audio )
Gildas Bazin's avatar
 
Gildas Bazin committed
426 427 428 429
{
    access_sys_t *p_sys = p_input->p_access_data;
    list<string> list_devices;

430
    /* Enumerate devices and display their names */
Gildas Bazin's avatar
 
Gildas Bazin committed
431
    FindCaptureDevice( (vlc_object_t *)p_input, NULL, &list_devices, b_audio );
Gildas Bazin's avatar
 
Gildas Bazin committed
432

433 434 435
    if( !list_devices.size() )
        return VLC_EGENERIC;

Gildas Bazin's avatar
 
Gildas Bazin committed
436 437
    list<string>::iterator iter;
    for( iter = list_devices.begin(); iter != list_devices.end(); iter++ )
Gildas Bazin's avatar
 
Gildas Bazin committed
438
        msg_Dbg( p_input, "found device: %s", iter->c_str() );
Gildas Bazin's avatar
 
Gildas Bazin committed
439 440 441 442 443 444 445 446

    /* 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
447 448 449 450 451 452 453 454 455 456 457
    // 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;
    }
Gildas Bazin's avatar
 
Gildas Bazin committed
458

Gildas Bazin's avatar
 
Gildas Bazin committed
459
    AM_MEDIA_TYPE media_type =
460 461 462
        EnumDeviceCaps( (vlc_object_t *)p_input, p_device_filter,
                        p_sys->i_chroma, p_sys->i_width, p_sys->i_height,
                        0, 0, 0 );
Gildas Bazin's avatar
 
Gildas Bazin committed
463

Gildas Bazin's avatar
 
Gildas Bazin committed
464
    /* Create and add our capture filter */
Gildas Bazin's avatar
 
Gildas Bazin committed
465
    CaptureFilter *p_capture_filter = new CaptureFilter( p_input, media_type );
Gildas Bazin's avatar
 
Gildas Bazin committed
466
    p_sys->p_graph->AddFilter( p_capture_filter, 0 );
Gildas Bazin's avatar
 
Gildas Bazin committed
467 468 469

    /* Add the device filter to the graph (seems necessary with VfW before
     * accessing pin attributes). */
Gildas Bazin's avatar
 
Gildas Bazin committed
470
    p_sys->p_graph->AddFilter( p_device_filter, 0 );
Gildas Bazin's avatar
 
Gildas Bazin committed
471

Gildas Bazin's avatar
 
Gildas Bazin committed
472
    /* Attempt to connect one of this device's capture output pins */
Gildas Bazin's avatar
 
Gildas Bazin committed
473
    msg_Dbg( p_input, "connecting filters" );
Gildas Bazin's avatar
 
Gildas Bazin committed
474 475
    if( ConnectFilters( p_sys->p_graph, p_device_filter,
                        p_capture_filter->CustomGetPin() ) )
Gildas Bazin's avatar
 
Gildas Bazin committed
476 477
    {
        /* Success */
Gildas Bazin's avatar
 
Gildas Bazin committed
478
        dshow_stream_t dshow_stream;
Gildas Bazin's avatar
 
Gildas Bazin committed
479
        dshow_stream.b_invert = VLC_FALSE;
480
        dshow_stream.b_pts = VLC_FALSE;
Gildas Bazin's avatar
 
Gildas Bazin committed
481 482
        dshow_stream.mt =
            p_capture_filter->CustomGetPin()->CustomGetMediaType();
Gildas Bazin's avatar
 
Gildas Bazin committed
483

Gildas Bazin's avatar
 
Gildas Bazin committed
484
        if( dshow_stream.mt.majortype == MEDIATYPE_Video )
Gildas Bazin's avatar
 
Gildas Bazin committed
485
        {
Gildas Bazin's avatar
 
Gildas Bazin committed
486 487
            msg_Dbg( p_input, "MEDIATYPE_Video");

Gildas Bazin's avatar
 
Gildas Bazin committed
488 489 490 491 492
            /* 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' );
Gildas Bazin's avatar
 
Gildas Bazin committed
493
            if( dshow_stream.mt.subtype == MEDIASUBTYPE_RGB8 )
Gildas Bazin's avatar
 
Gildas Bazin committed
494
                dshow_stream.i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '8' );
Gildas Bazin's avatar
 
Gildas Bazin committed
495 496 497 498 499 500 501 502 503 504
            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' );
Gildas Bazin's avatar
 
Gildas Bazin committed
505 506 507 508

            /* Packed YUV formats */
            else if( dshow_stream.mt.subtype == MEDIASUBTYPE_YVYU )
                dshow_stream.i_fourcc = VLC_FOURCC( 'Y', 'V', 'Y', 'U' );
Gildas Bazin's avatar
 
Gildas Bazin committed
509 510 511 512
            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' );
Gildas Bazin's avatar
 
Gildas Bazin committed
513 514 515 516 517 518 519 520 521
            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' );
Gildas Bazin's avatar
 
Gildas Bazin committed
522 523
            else if( dshow_stream.mt.subtype == MEDIASUBTYPE_Y41P )
                dshow_stream.i_fourcc = VLC_FOURCC( 'I', '4', '1', '1' );
Gildas Bazin's avatar
 
Gildas Bazin committed
524 525
            else if( dshow_stream.mt.subtype == MEDIASUBTYPE_YV12 ||
                     dshow_stream.mt.subtype == MEDIASUBTYPE_IYUV )
Gildas Bazin's avatar
 
Gildas Bazin committed
526
                dshow_stream.i_fourcc = VLC_FOURCC( 'Y', 'V', '1', '2' );
Gildas Bazin's avatar
 
Gildas Bazin committed
527 528 529
            else if( dshow_stream.mt.subtype == MEDIASUBTYPE_YVU9 )
                dshow_stream.i_fourcc = VLC_FOURCC( 'Y', 'V', 'U', '9' );

Gildas Bazin's avatar
 
Gildas Bazin committed
530 531 532 533 534 535 536 537
            /* DV formats */
            else if( dshow_stream.mt.subtype == MEDIASUBTYPE_dvsl )
                dshow_stream.i_fourcc = VLC_FOURCC( 'd', 'v', 's', 'l' );
            else if( dshow_stream.mt.subtype == MEDIASUBTYPE_dvsd )
                dshow_stream.i_fourcc = VLC_FOURCC( 'd', 'v', 's', 'd' );
            else if( dshow_stream.mt.subtype == MEDIASUBTYPE_dvhd )
                dshow_stream.i_fourcc = VLC_FOURCC( 'd', 'v', 'h', 'd' );

Gildas Bazin's avatar
 
Gildas Bazin committed
538 539 540 541 542
            else goto fail;

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

Gildas Bazin's avatar
 
Gildas Bazin committed
543 544 545
            int i_height = dshow_stream.header.video.bmiHeader.biHeight;

            /* Check if the image is inverted (bottom to top) */
Gildas Bazin's avatar
 
Gildas Bazin committed
546 547 548 549
            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' ) ||
Gildas Bazin's avatar
 
Gildas Bazin committed
550 551 552 553 554 555 556 557 558
                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;
            }

Gildas Bazin's avatar
 
Gildas Bazin committed
559 560 561 562 563 564 565 566 567 568 569 570 571
            /* Check if we are dealing with a DV stream */
            if( dshow_stream.i_fourcc == VLC_FOURCC( 'd', 'v', 's', 'l' ) ||
                dshow_stream.i_fourcc == VLC_FOURCC( 'd', 'v', 's', 'd' ) ||
                dshow_stream.i_fourcc == VLC_FOURCC( 'd', 'v', 'h', 'd' ) )
            {
                p_input->pf_read = ReadDV;
                if( !p_input->psz_demux || !*p_input->psz_demux )
                {
                    p_input->psz_demux = "rawdv";
                }
            }


Gildas Bazin's avatar
 
Gildas Bazin committed
572 573 574 575 576 577 578 579 580
            /* 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 );
Gildas Bazin's avatar
 
Gildas Bazin committed
581
            SetDWBE( &p_sys->p_header[p_sys->i_header_pos + 12], i_height );
Gildas Bazin's avatar
 
Gildas Bazin committed
582 583
            SetDWBE( &p_sys->p_header[p_sys->i_header_pos + 16], 0 );
            p_sys->i_header_pos = p_sys->i_header_size;
584 585 586 587 588

            /* 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);
Gildas Bazin's avatar
 
Gildas Bazin committed
589 590
        }

Gildas Bazin's avatar
 
Gildas Bazin committed
591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618
        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;
619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643

            /* 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 );
Gildas Bazin's avatar
 
Gildas Bazin committed
644 645
        }
        else goto fail;
Gildas Bazin's avatar
 
Gildas Bazin committed
646

Gildas Bazin's avatar
 
Gildas Bazin committed
647 648 649
        /* Add directshow elementary stream to our list */
        dshow_stream.p_device_filter = p_device_filter;
        dshow_stream.p_capture_filter = p_capture_filter;
Gildas Bazin's avatar
 
Gildas Bazin committed
650

Gildas Bazin's avatar
 
Gildas Bazin committed
651 652 653 654 655 656 657
        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 );
Gildas Bazin's avatar
 
Gildas Bazin committed
658 659 660 661

        return VLC_SUCCESS;
    }

Gildas Bazin's avatar
 
Gildas Bazin committed
662
 fail:
Gildas Bazin's avatar
 
Gildas Bazin committed
663
    /* Remove filters from graph */
Gildas Bazin's avatar
 
Gildas Bazin committed
664 665
    p_sys->p_graph->RemoveFilter( p_device_filter );
    p_sys->p_graph->RemoveFilter( p_capture_filter );
Gildas Bazin's avatar
 
Gildas Bazin committed
666 667

    /* Release objects */
Gildas Bazin's avatar
 
Gildas Bazin committed
668 669
    p_device_filter->Release();
    p_capture_filter->Release();
Gildas Bazin's avatar
 
Gildas Bazin committed
670 671 672 673 674 675

    return VLC_EGENERIC;
}

static IBaseFilter *
FindCaptureDevice( vlc_object_t *p_this, string *p_devicename,
Gildas Bazin's avatar
 
Gildas Bazin committed
676
                   list<string> *p_listdevices, vlc_bool_t b_audio )
Gildas Bazin's avatar
 
Gildas Bazin committed
677
{
Gildas Bazin's avatar
 
Gildas Bazin committed
678 679 680
    IBaseFilter *p_base_filter = NULL;
    IMoniker *p_moniker = NULL;
    ULONG i_fetched;
Gildas Bazin's avatar
 
Gildas Bazin committed
681 682 683
    HRESULT hr;

    /* Create the system device enumerator */
Gildas Bazin's avatar
 
Gildas Bazin committed
684
    ICreateDevEnum *p_dev_enum = NULL;
Gildas Bazin's avatar
 
Gildas Bazin committed
685 686

    hr = CoCreateInstance( CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
Gildas Bazin's avatar
 
Gildas Bazin committed
687
                           IID_ICreateDevEnum, (void **)&p_dev_enum );
Gildas Bazin's avatar
 
Gildas Bazin committed
688 689 690 691 692 693 694
    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 */
Gildas Bazin's avatar
 
Gildas Bazin committed
695 696 697 698 699 700 701 702
    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();
Gildas Bazin's avatar
 
Gildas Bazin committed
703 704 705 706 707 708
    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
709
    /* If there are no enumerators for the requested type, then
Gildas Bazin's avatar
 
Gildas Bazin committed
710 711
     * CreateClassEnumerator will succeed, but p_class_enum will be NULL */
    if( p_class_enum == NULL )
Gildas Bazin's avatar
 
Gildas Bazin committed
712
    {
Gildas Bazin's avatar
 
Gildas Bazin committed
713
        msg_Err( p_this, "no capture device was detected." );
Gildas Bazin's avatar
 
Gildas Bazin committed
714 715 716 717 718 719 720 721 722
        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. */

Gildas Bazin's avatar
 
Gildas Bazin committed
723
    while( p_class_enum->Next( 1, &p_moniker, &i_fetched ) == S_OK )
Gildas Bazin's avatar
 
Gildas Bazin committed
724 725
    {
        /* Getting the property page to get the device name */
Gildas Bazin's avatar
 
Gildas Bazin committed
726 727 728
        IPropertyBag *p_bag;
        hr = p_moniker->BindToStorage( 0, 0, IID_IPropertyBag,
                                       (void **)&p_bag );
Gildas Bazin's avatar
 
Gildas Bazin committed
729 730 731 732
        if( SUCCEEDED(hr) )
        {
            VARIANT var;
            var.vt = VT_BSTR;
Gildas Bazin's avatar
 
Gildas Bazin committed
733 734
            hr = p_bag->Read( L"FriendlyName", &var, NULL );
            p_bag->Release();
Gildas Bazin's avatar
 
Gildas Bazin committed
735 736 737 738 739 740 741 742 743 744 745 746 747
            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 */
Gildas Bazin's avatar
 
Gildas Bazin committed
748 749
                    hr = p_moniker->BindToObject( 0, 0, IID_IBaseFilter,
                                                  (void **)&p_base_filter );
Gildas Bazin's avatar
 
Gildas Bazin committed
750 751 752 753
                    if( FAILED(hr) )
                    {
                        msg_Err( p_this, "couldn't bind moniker to filter "
                                 "object (0x%x)", hr );
Gildas Bazin's avatar
 
Gildas Bazin committed
754 755
                        p_moniker->Release();
                        p_class_enum->Release();
Gildas Bazin's avatar
 
Gildas Bazin committed
756 757
                        return NULL;
                    }
Gildas Bazin's avatar
 
Gildas Bazin committed
758 759 760
                    p_moniker->Release();
                    p_class_enum->Release();
                    return p_base_filter;
Gildas Bazin's avatar
 
Gildas Bazin committed
761 762 763
                }
            }
        }
Gildas Bazin's avatar
 
Gildas Bazin committed
764 765

        p_moniker->Release();
Gildas Bazin's avatar
 
Gildas Bazin committed
766 767
    }

Gildas Bazin's avatar
 
Gildas Bazin committed
768
    p_class_enum->Release();
Gildas Bazin's avatar
 
Gildas Bazin committed
769 770 771
    return NULL;
}

Gildas Bazin's avatar
 
Gildas Bazin committed
772
static AM_MEDIA_TYPE EnumDeviceCaps( vlc_object_t *p_this,
773 774 775 776
                                     IBaseFilter *p_filter,
                                     int i_chroma, int i_width, int i_height,
                                     int i_channels, int i_samplespersec,
                                     int i_bitspersample )
Gildas Bazin's avatar
 
Gildas Bazin committed
777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794
{
    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 */
795
        if( SUCCEEDED( p_output_pin->EnumMediaTypes( &p_enummt ) ) )
Gildas Bazin's avatar
 
Gildas Bazin committed
796 797 798 799 800
        {
            AM_MEDIA_TYPE *p_mt;
            while( p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
            {

801
                if( p_mt->majortype == MEDIATYPE_Video )
Gildas Bazin's avatar
 
Gildas Bazin committed
802
                {
803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847
                    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 );
                    }
Gildas Bazin's avatar
 
Gildas Bazin committed
848
                }
849
                else if( p_mt->majortype == MEDIATYPE_Audio )
Gildas Bazin's avatar
 
Gildas Bazin committed
850
                {
851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900
                    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 );
                    }
Gildas Bazin's avatar
 
Gildas Bazin committed
901
                }
902

Gildas Bazin's avatar
 
Gildas Bazin committed
903 904 905 906
                CoTaskMemFree( (PVOID)p_mt );
            }
            p_enummt->Release();
        }
907

Gildas Bazin's avatar
 
Gildas Bazin committed
908 909 910 911 912 913 914
        p_output_pin->Release();
    }

    p_enumpins->Release();
    return media_type;
}

Gildas Bazin's avatar
 
Gildas Bazin committed
915 916 917 918 919 920
/*****************************************************************************
 * Read: reads from the device into PES packets.
 *****************************************************************************
 * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
 * bytes.
 *****************************************************************************/
921 922
static ssize_t Read( input_thread_t * p_input, byte_t * p_buffer,
                     size_t i_len )
Gildas Bazin's avatar
 
Gildas Bazin committed
923
{
Gildas Bazin's avatar
 
Gildas Bazin committed
924
    access_sys_t   *p_sys = p_input->p_access_data;
925 926 927 928 929
    dshow_stream_t *p_stream = NULL;
    byte_t         *p_buf_orig = p_buffer;
    VLCMediaSample  sample;
    int             i_data_size;
    uint8_t         *p_data;
Gildas Bazin's avatar
 
Gildas Bazin committed
930

931 932 933 934 935 936 937
    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;
    }
Gildas Bazin's avatar
 
Gildas Bazin committed
938

939
    while( 1 )
Gildas Bazin's avatar
 
Gildas Bazin committed
940
    {
941 942 943 944 945 946 947 948
        /* 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++ )
Gildas Bazin's avatar
 
Gildas Bazin committed
949
        {
950 951 952 953 954 955 956 957
            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;
            }
Gildas Bazin's avatar
 
Gildas Bazin committed
958
        }
959 960
        if( i_stream == p_sys->i_streams )
        for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
Gildas Bazin's avatar
 
Gildas Bazin committed
961
        {
962 963 964 965
            p_stream = p_sys->pp_streams[i_stream];
            if( p_stream->p_capture_filter &&
                p_stream->p_capture_filter->CustomGetPin()
                  ->CustomGetSample( &sample ) == S_OK )
Gildas Bazin's avatar
 
Gildas Bazin committed
966
            {
967
                break;
Gildas Bazin's avatar
 
Gildas Bazin committed
968
            }
969 970 971 972 973 974 975 976
        }
        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;
        }
Gildas Bazin's avatar
 
Gildas Bazin committed
977

978
        vlc_mutex_unlock( &p_sys->lock );
Gildas Bazin's avatar
 
Gildas Bazin committed
979

980 981 982 983 984
        /*
         * We got our sample
         */
        i_data_size = sample.p_sample->GetActualDataLength();
        sample.p_sample->GetPointer( &p_data );
Gildas Bazin's avatar
 
Gildas Bazin committed
985

986 987 988
        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;
Gildas Bazin's avatar
 
Gildas Bazin committed
989

990 991 992 993 994 995 996
        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;
Gildas Bazin's avatar
 
Gildas Bazin committed
997
            }
Gildas Bazin's avatar
 
Gildas Bazin committed
998 999
        }

1000 1001 1002
#if 0
        msg_Dbg( p_input, "Read() stream: %i PTS: "I64Fd, i_stream, i_pts );
#endif
Gildas Bazin's avatar
 
Gildas Bazin committed
1003

1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015
        /* 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 */;
Gildas Bazin's avatar
 
Gildas Bazin committed
1016

1017 1018
        /* Then copy stream data if any */
        if( !p_stream->b_invert )
Gildas Bazin's avatar
 
Gildas Bazin committed
1019
        {
1020 1021
            p_input->p_vlc->pf_memcpy( p_buffer, p_data, i_data_size );
            p_buffer += i_data_size;
Gildas Bazin's avatar
 
Gildas Bazin committed
1022
        }
1023
        else
Gildas Bazin's avatar
 
Gildas Bazin committed
1024
        {
1025 1026
            int i_width = p_stream->header.video.bmiHeader.biWidth;
            int i_height = p_stream->header.video.bmiHeader.biHeight;
Gildas Bazin's avatar
 
Gildas Bazin committed
1027

1028
            switch( p_stream->i_fourcc )
Gildas Bazin's avatar
 
Gildas Bazin committed
1029
            {
1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040
            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;
Gildas Bazin's avatar
 
Gildas Bazin committed
1041 1042
            }

1043 1044 1045 1046
            for( int i = i_height - 1; i >= 0; i-- )
            {
                p_input->p_vlc->pf_memcpy( p_buffer,
                     &p_data[i * i_width], i_width );
Gildas Bazin's avatar
 
Gildas Bazin committed
1047

1048 1049
                p_buffer += i_width;
            }
Gildas Bazin's avatar
 
Gildas Bazin committed
1050
        }
1051 1052 1053 1054 1055

        sample.p_sample->Release();

        /* The caller got what he wanted */
        return p_buffer - p_buf_orig;
Gildas Bazin's avatar
 
Gildas Bazin committed
1056 1057
    }

1058
    return 0; /* never reached */
Gildas Bazin's avatar
 
Gildas Bazin committed
1059 1060
}

Gildas Bazin's avatar
 
Gildas Bazin committed
1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 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
/*****************************************************************************
 * ReadDV: reads from the DV device into PES packets.
 *****************************************************************************
 * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
 * bytes.
 *****************************************************************************/
static ssize_t ReadDV( input_thread_t * p_input, byte_t * p_buffer,
                       size_t i_len )
{
    access_sys_t   *p_sys = p_input->p_access_data;
    dshow_stream_t *p_stream = NULL;
    VLCMediaSample  sample;
    int             i_data_size;
    uint8_t         *p_data;

    /* Read 1 DV frame (they contain the video and audio data) */

    /* There must be only 1 elementary stream to produce a valid
     * raw DV stream*/
    p_stream = p_sys->pp_streams[0];

    while( 1 )
    {
        /* Get new sample/frame from the elementary stream (blocking). */
        vlc_mutex_lock( &p_sys->lock );

        if( p_stream->p_capture_filter->CustomGetPin()
              ->CustomGetSample( &sample ) != S_OK )
        {
            /* 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;
        }

        vlc_mutex_unlock( &p_sys->lock );

        /*
         * We got our sample
         */
        i_data_size = sample.p_sample->GetActualDataLength();
        sample.p_sample->GetPointer( &p_data );

        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;

        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;
            }
        }

#if 0
        msg_Info( p_input, "access read %i data_size %i PTS: "I64Fd,
                  i_len, i_data_size, i_pts );
#endif

        p_input->p_vlc->pf_memcpy( p_buffer, p_data, i_data_size );

        sample.p_sample->Release();

        /* The caller got what he wanted */
        return i_data_size;
    }

    return 0; /* never reached */
}

1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144
/*****************************************************************************
 * Demux: local prototypes
 *****************************************************************************/
struct demux_sys_t
{
    int         i_es;
    es_out_id_t **es;
};

static int  Demux      ( input_thread_t * );

Gildas Bazin's avatar
 
Gildas Bazin committed
1145
/****************************************************************************
1146
 * DemuxOpen:
Gildas Bazin's avatar
 
Gildas Bazin committed
1147 1148 1149 1150
 ****************************************************************************/
static int DemuxOpen( vlc_object_t *p_this )
{
    input_thread_t *p_input = (input_thread_t *)p_this;
1151
    demux_sys_t    *p_sys;
Gildas Bazin's avatar
 
Gildas Bazin committed
1152 1153

    uint8_t        *p_peek;
1154
    int            i_es;
Gildas Bazin's avatar
 
Gildas Bazin committed
1155 1156
    int            i;

Gildas Bazin's avatar
 
Gildas Bazin committed
1157
    /* a little test to see if it's a dshow stream */
1158
    if( stream_Peek( p_input->s, &p_peek, 8 ) < 8 )
Gildas Bazin's avatar
 
Gildas Bazin committed
1159
    {
Gildas Bazin's avatar
 
Gildas Bazin committed
1160
        msg_Warn( p_input, "dshow plugin discarded (cannot peek)" );
1161
        return VLC_EGENERIC;
Gildas Bazin's avatar
 
Gildas Bazin committed
1162 1163
    }

1164 1165
    if( strncmp( p_peek, ".dsh", 4 ) ||
        ( i_es = GetDWBE( &p_peek[4] ) ) <= 0 )
Gildas Bazin's avatar
 
Gildas Bazin committed
1166
    {
Gildas Bazin's avatar
 
Gildas Bazin committed
1167
        msg_Warn( p_input, "dshow plugin discarded (not a valid stream)" );
Gildas Bazin's avatar
 
Gildas Bazin committed
1168 1169 1170 1171 1172 1173 1174 1175
        return VLC_EGENERIC;
    }

    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" );
1176
        return( VLC_EGENERIC );
Gildas Bazin's avatar
 
Gildas Bazin committed
1177
    }
1178 1179
    p_input->stream.i_mux_rate =  0 / 50;
    vlc_mutex_unlock( &p_input->stream.stream_lock );
Gildas Bazin's avatar
 
Gildas Bazin committed
1180

1181 1182 1183 1184 1185
    p_input->pf_demux = Demux;
    p_input->pf_demux_control = demux_vaControlDefault;
    p_input->p_demux_data = p_sys = malloc( sizeof( demux_sys_t ) );
    p_sys->i_es = 0;
    p_sys->es   = NULL;
Gildas Bazin's avatar
 
Gildas Bazin committed
1186

1187
    if( stream_Peek( p_input->s, &p_peek, 8 + 20 * i_es ) < 8 + 20 * i_es )
Gildas Bazin's avatar
 
Gildas Bazin committed
1188
    {
Gildas Bazin's avatar
 
Gildas Bazin committed
1189
        msg_Err( p_input, "dshow plugin discarded (cannot peek)" );
1190
        return VLC_EGENERIC;
Gildas Bazin's avatar
 
Gildas Bazin committed
1191 1192 1193
    }
    p_peek += 8;

1194
    for( i = 0; i < i_es; i++ )
Gildas Bazin's avatar
 
Gildas Bazin committed
1195
    {
1196
        es_format_t fmt;
Gildas Bazin's avatar
 
Gildas Bazin committed
1197

1198
        if( !strncmp( p_peek, "auds", 4 ) )
Gildas Bazin's avatar
 
Gildas Bazin committed
1199
        {
1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216
            es_format_Init( &fmt, AUDIO_ES, VLC_FOURCC( p_peek[4], p_peek[5],
                                                        p_peek[6], p_peek[7] ) );

            fmt.audio.i_channels = GetDWBE( &p_peek[8] );
            fmt.audio.i_rate = GetDWBE( &p_peek[12] );
            fmt.audio.i_bitspersample = GetDWBE( &p_peek[16] );
            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;

            msg_Dbg( p_input, "new audio es %d channels %dHz",
                     fmt.audio.i_channels, fmt.audio.i_rate );

            TAB_APPEND( p_sys->i_es, p_sys->es,
                        es_out_Add( p_input->p_es_out, &fmt ) );
Gildas Bazin's avatar
 
Gildas Bazin committed
1217
        }
1218
        else if( !strncmp( p_peek, "vids", 4 ) )
Gildas Bazin's avatar
 
Gildas Bazin committed
1219
        {
1220 1221 1222 1223
            es_format_Init( &fmt, AUDIO_ES, VLC_FOURCC( p_peek[4], p_peek[5],
                                                        p_peek[6], p_peek[7] ) );
            fmt.video.i_width  = GetDWBE( &p_peek[8] );
            fmt.video.i_height = GetDWBE( &p_peek[12] );
Gildas Bazin's avatar
 
Gildas Bazin committed
1224 1225

            msg_Dbg( p_input, "added new video es %4.4s %dx%d",
1226 1227 1228 1229
                     (char*)&fmt.i_codec,
                     fmt.video.i_width, fmt.video.i_height );
            TAB_APPEND( p_sys->i_es, p_sys->es,
                        es_out_Add( p_input->p_es_out, &fmt ) );
Gildas Bazin's avatar
 
Gildas Bazin committed
1230 1231 1232 1233 1234
        }

        p_peek += 20;
    }