1 /*****************************************************************************
2 * dshow.cpp : DirectShow access module for vlc
3 *****************************************************************************
4 * Copyright (C) 2002, 2003 the VideoLAN team
7 * Author: Gildas Bazin <gbazin@videolan.org>
8 * Damien Fouilleul <damienf@videolan.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
33 #include <vlc/input.h>
39 /*****************************************************************************
40 * Access: local prototypes
41 *****************************************************************************/
42 static block_t *ReadCompressed( access_t * );
43 static int AccessControl ( access_t *, int, va_list );
45 static int Demux ( demux_t * );
46 static int DemuxControl( demux_t *, int, va_list );
48 static int OpenDevice( vlc_object_t *, access_sys_t *, string, vlc_bool_t );
49 static IBaseFilter *FindCaptureDevice( vlc_object_t *, string *,
50 list<string> *, vlc_bool_t );
51 static size_t EnumDeviceCaps( vlc_object_t *, IBaseFilter *,
52 int, int, int, int, int, int,
53 AM_MEDIA_TYPE *mt, size_t );
54 static bool ConnectFilters( vlc_object_t *, access_sys_t *,
55 IBaseFilter *, CaptureFilter * );
56 static int FindDevicesCallback( vlc_object_t *, char const *,
57 vlc_value_t, vlc_value_t, void * );
58 static int ConfigDevicesCallback( vlc_object_t *, char const *,
59 vlc_value_t, vlc_value_t, void * );
61 static void ShowPropertyPage( IUnknown * );
62 static void ShowDeviceProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
63 IBaseFilter *, vlc_bool_t );
64 static void ShowTunerProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
65 IBaseFilter *, vlc_bool_t );
66 static void ConfigTuner( vlc_object_t *, ICaptureGraphBuilder2 *,
69 /*****************************************************************************
71 *****************************************************************************/
72 static char *ppsz_vdev[] = { "", "none" };
73 static char *ppsz_vdev_text[] = { N_("Default"), N_("None") };
74 static char *ppsz_adev[] = { "", "none" };
75 static char *ppsz_adev_text[] = { N_("Default"), N_("None") };
76 static int pi_tuner_input[] = { 0, 1, 2 };
77 static char *ppsz_tuner_input_text[] =
78 {N_("Default"), N_("Cable"), N_("Antenna")};
79 static int pi_amtuner_mode[] = { AMTUNER_MODE_DEFAULT,
81 AMTUNER_MODE_FM_RADIO,
82 AMTUNER_MODE_AM_RADIO,
84 static char *ppsz_amtuner_mode_text[] = { N_("Default"),
90 #define CACHING_TEXT N_("Caching value in ms")
91 #define CACHING_LONGTEXT N_( \
92 "Caching value for DirectShow streams. " \
93 "This value should be set in millisecondss." )
94 #define VDEV_TEXT N_("Video device name")
95 #define VDEV_LONGTEXT N_( \
96 "Name of the video device that will be used by the " \
97 "DirectShow plugin. If you don't specify anything, the default device " \
99 /// \bug [String] size stuff should be on video !
100 #define ADEV_TEXT N_("Audio device name")
101 #define ADEV_LONGTEXT N_( \
102 "Name of the audio device that will be used by the " \
103 "DirectShow plugin. If you don't specify anything, the default device " \
104 "will be used. You can specify a standard size (cif, d1, ...) or <width>x<height>")
105 #define SIZE_TEXT N_("Video size")
106 #define SIZE_LONGTEXT N_( \
107 "Size of the video that will be displayed by the " \
108 "DirectShow plugin. If you don't specify anything the default size for " \
109 "your device will be used.")
110 #define CHROMA_TEXT N_("Video input chroma format")
111 #define CHROMA_LONGTEXT N_( \
112 "Force the DirectShow video input to use a specific chroma format " \
113 "(eg. I420 (default), RV24, etc.)")
114 #define FPS_TEXT N_("Video input frame rate")
115 #define FPS_LONGTEXT N_( \
116 "Force the DirectShow video input to use a specific frame rate" \
117 "(eg. 0 means default, 25, 29.97, 50, 59.94, etc.)")
118 #define CONFIG_TEXT N_("Device properties")
119 #define CONFIG_LONGTEXT N_( \
120 "Show the properties dialog of the selected device before starting the " \
122 #define TUNER_TEXT N_("Tuner properties")
123 #define TUNER_LONGTEXT N_( \
124 "Show the tuner properties [channel selection] page." )
125 #define CHANNEL_TEXT N_("Tuner TV Channel")
126 #define CHANNEL_LONGTEXT N_( \
127 "Set the TV channel the tuner will set to " \
128 "(0 means default)." )
129 #define COUNTRY_TEXT N_("Tuner country code")
130 #define COUNTRY_LONGTEXT N_( \
131 "Set the tuner country code that establishes the current " \
132 "channel-to-frequency mapping (0 means default)." )
133 #define TUNER_INPUT_TEXT N_("Tuner input type")
134 #define TUNER_INPUT_LONGTEXT N_( \
135 "Select the tuner input type (Cable/Antenna)." )
136 #define VIDEO_IN_TEXT N_("Video input pin")
137 #define VIDEO_IN_LONGTEXT N_( \
138 "Select the video input source, such as composite, s-video, " \
139 "or tuner. Since these settings are hardware-specfic, you should find good " \
140 "settings in the \"Device config\" area, and use those numbers here. -1 " \
141 "means that settings will not be changed.")
142 #define AUDIO_IN_TEXT N_("Audio input pin")
143 #define AUDIO_IN_LONGTEXT N_( \
144 "Select the audio input source. See the \"video input\" option." )
145 #define VIDEO_OUT_TEXT N_("Video output pin")
146 #define VIDEO_OUT_LONGTEXT N_( \
147 "Select the video output type. See the \"video input\" option." )
148 #define AUDIO_OUT_TEXT N_("Audio output pin")
149 #define AUDIO_OUT_LONGTEXT N_( \
150 "Select the audio output type. See the \"video input\" option." )
152 #define AMTUNER_MODE_TEXT N_("AM Tuner mode")
153 #define AMTUNER_MODE_LONGTEST N_( \
154 "AM Tuner mode. Can be one of DEFAULT, TV, AM_RADIO, FM_RADIO or DSS.")
156 static int CommonOpen ( vlc_object_t *, access_sys_t *, vlc_bool_t );
157 static void CommonClose( vlc_object_t *, access_sys_t * );
159 static int AccessOpen ( vlc_object_t * );
160 static void AccessClose( vlc_object_t * );
162 static int DemuxOpen ( vlc_object_t * );
163 static void DemuxClose ( vlc_object_t * );
166 set_shortname( _("DirectShow") );
167 set_description( _("DirectShow input") );
168 set_category( CAT_INPUT );
169 set_subcategory( SUBCAT_INPUT_ACCESS );
170 add_integer( "dshow-caching", (mtime_t)(0.2*CLOCK_FREQ) / 1000, NULL,
171 CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
173 add_string( "dshow-vdev", NULL, NULL, VDEV_TEXT, VDEV_LONGTEXT, VLC_FALSE);
174 change_string_list( ppsz_vdev, ppsz_vdev_text, FindDevicesCallback );
175 change_action_add( FindDevicesCallback, N_("Refresh list") );
176 change_action_add( ConfigDevicesCallback, N_("Configure") );
178 add_string( "dshow-adev", NULL, NULL, ADEV_TEXT, ADEV_LONGTEXT, VLC_FALSE);
179 change_string_list( ppsz_adev, ppsz_adev_text, FindDevicesCallback );
180 change_action_add( FindDevicesCallback, N_("Refresh list") );
181 change_action_add( ConfigDevicesCallback, N_("Configure") );
183 add_string( "dshow-size", NULL, NULL, SIZE_TEXT, SIZE_LONGTEXT, VLC_FALSE);
185 add_string( "dshow-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT,
188 add_float( "dshow-fps", 0.0f, NULL, FPS_TEXT, FPS_LONGTEXT,
191 add_bool( "dshow-config", VLC_FALSE, NULL, CONFIG_TEXT, CONFIG_LONGTEXT,
194 add_bool( "dshow-tuner", VLC_FALSE, NULL, TUNER_TEXT, TUNER_LONGTEXT,
197 add_integer( "dshow-tuner-channel", 0, NULL, CHANNEL_TEXT,
198 CHANNEL_LONGTEXT, VLC_TRUE );
200 add_integer( "dshow-tuner-country", 0, NULL, COUNTRY_TEXT,
201 COUNTRY_LONGTEXT, VLC_TRUE );
203 add_integer( "dshow-tuner-input", 0, NULL, TUNER_INPUT_TEXT,
204 TUNER_INPUT_LONGTEXT, VLC_TRUE );
205 change_integer_list( pi_tuner_input, ppsz_tuner_input_text, 0 );
207 add_integer( "dshow-video-input", -1, NULL, VIDEO_IN_TEXT,
208 VIDEO_IN_LONGTEXT, VLC_TRUE );
210 add_integer( "dshow-audio-input", -1, NULL, AUDIO_IN_TEXT,
211 AUDIO_IN_LONGTEXT, VLC_TRUE );
213 add_integer( "dshow-video-output", -1, NULL, VIDEO_OUT_TEXT,
214 VIDEO_OUT_LONGTEXT, VLC_TRUE );
216 add_integer( "dshow-audio-output", -1, NULL, AUDIO_OUT_TEXT,
217 AUDIO_OUT_LONGTEXT, VLC_TRUE );
219 add_string( "dshow-amtuner-mode", AMTUNER_MODE_TV, NULL,
220 AMTUNER_MODE_TEXT, AMTUNER_MODE_LONGTEXT, VLC_FALSE);
221 change_integer_list( pi_amtuner_mode, ppsz_amtuner_mode_text, 0 );
223 add_shortcut( "dshow" );
224 set_capability( "access_demux", 0 );
225 set_callbacks( DemuxOpen, DemuxClose );
228 set_description( _("DirectShow input") );
229 add_shortcut( "dshow" );
230 set_capability( "access2", 0 );
231 set_callbacks( AccessOpen, AccessClose );
235 /*****************************************************************************
236 * DirectShow elementary stream descriptor
237 *****************************************************************************/
238 typedef struct dshow_stream_t
241 IBaseFilter *p_device_filter;
242 CaptureFilter *p_capture_filter;
247 VIDEOINFOHEADER video;
258 /*****************************************************************************
259 * DirectShow utility functions
260 *****************************************************************************/
261 static void CreateDirectShowGraph( access_sys_t *p_sys )
263 p_sys->i_crossbar_route_depth = 0;
265 /* Create directshow filter graph */
266 if( SUCCEEDED( CoCreateInstance( CLSID_FilterGraph, 0, CLSCTX_INPROC,
267 (REFIID)IID_IFilterGraph, (void **)&p_sys->p_graph) ) )
269 /* Create directshow capture graph builder if available */
270 if( SUCCEEDED( CoCreateInstance( CLSID_CaptureGraphBuilder2, 0,
271 CLSCTX_INPROC, (REFIID)IID_ICaptureGraphBuilder2,
272 (void **)&p_sys->p_capture_graph_builder2 ) ) )
274 p_sys->p_capture_graph_builder2->
275 SetFiltergraph((IGraphBuilder *)p_sys->p_graph);
278 p_sys->p_graph->QueryInterface( IID_IMediaControl,
279 (void **)&p_sys->p_control );
283 static void DeleteDirectShowGraph( access_sys_t *p_sys )
285 DeleteCrossbarRoutes( p_sys );
287 /* Remove filters from graph */
288 for( int i = 0; i < p_sys->i_streams; i++ )
290 p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_capture_filter );
291 p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_device_filter );
292 p_sys->pp_streams[i]->p_capture_filter->Release();
293 p_sys->pp_streams[i]->p_device_filter->Release();
296 /* Release directshow objects */
297 if( p_sys->p_control )
299 p_sys->p_control->Release();
300 p_sys->p_control = NULL;
302 if( p_sys->p_capture_graph_builder2 )
304 p_sys->p_capture_graph_builder2->Release();
305 p_sys->p_capture_graph_builder2 = NULL;
310 p_sys->p_graph->Release();
311 p_sys->p_graph = NULL;
315 /*****************************************************************************
316 * CommonOpen: open direct show device
317 *****************************************************************************/
318 static int CommonOpen( vlc_object_t *p_this, access_sys_t *p_sys,
319 vlc_bool_t b_access_demux )
324 /* Get/parse options and open device(s) */
325 string vdevname, adevname;
326 int i_width = 0, i_height = 0, i_chroma = 0;
327 vlc_bool_t b_audio = VLC_TRUE;
329 var_Create( p_this, "dshow-config", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
330 var_Create( p_this, "dshow-tuner", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
331 var_Create( p_this, "dshow-vdev", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
332 var_Get( p_this, "dshow-vdev", &val );
333 if( val.psz_string ) vdevname = string( val.psz_string );
334 if( val.psz_string ) free( val.psz_string );
336 var_Create( p_this, "dshow-adev", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
337 var_Get( p_this, "dshow-adev", &val );
338 if( val.psz_string ) adevname = string( val.psz_string );
339 if( val.psz_string ) free( val.psz_string );
341 static struct {char *psz_size; int i_width; int i_height;} size_table[] =
342 { { "subqcif", 128, 96 }, { "qsif", 160, 120 }, { "qcif", 176, 144 },
343 { "sif", 320, 240 }, { "cif", 352, 288 }, { "d1", 640, 480 },
347 var_Create( p_this, "dshow-size", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
348 var_Get( p_this, "dshow-size", &val );
349 if( val.psz_string && *val.psz_string )
351 for( i = 0; size_table[i].psz_size; i++ )
353 if( !strcmp( val.psz_string, size_table[i].psz_size ) )
355 i_width = size_table[i].i_width;
356 i_height = size_table[i].i_height;
360 if( !size_table[i].psz_size ) /* Try to parse "WidthxHeight" */
363 i_width = strtol( val.psz_string, &psz_parser, 0 );
364 if( *psz_parser == 'x' || *psz_parser == 'X')
366 i_height = strtol( psz_parser + 1, &psz_parser, 0 );
368 msg_Dbg( p_this, "width x height %dx%d", i_width, i_height );
371 if( val.psz_string ) free( val.psz_string );
373 p_sys->b_chroma = VLC_FALSE;
374 var_Create( p_this, "dshow-chroma", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
375 var_Get( p_this, "dshow-chroma", &val );
376 if( val.psz_string && strlen( val.psz_string ) >= 4 )
378 i_chroma = VLC_FOURCC( val.psz_string[0], val.psz_string[1],
379 val.psz_string[2], val.psz_string[3] );
380 p_sys->b_chroma = VLC_TRUE;
382 if( val.psz_string ) free( val.psz_string );
384 var_Create( p_this, "dshow-fps", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
385 var_Create( p_this, "dshow-tuner-channel",
386 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
387 var_Create( p_this, "dshow-tuner-country",
388 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
389 var_Create( p_this, "dshow-tuner-input",
390 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
392 var_Create( p_this, "dshow-amtuner-mode",
393 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
395 var_Create( p_this, "dshow-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
397 var_Create( p_this, "dshow-video-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
398 var_Create( p_this, "dshow-audio-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
399 var_Create( p_this, "dshow-video-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
400 var_Create( p_this, "dshow-audio-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
402 /* Initialize OLE/COM */
405 /* Initialize some data */
406 p_sys->i_streams = 0;
407 p_sys->pp_streams = 0;
408 p_sys->i_width = i_width;
409 p_sys->i_height = i_height;
410 p_sys->i_chroma = i_chroma;
412 p_sys->p_graph = NULL;
413 p_sys->p_capture_graph_builder2 = NULL;
414 p_sys->p_control = NULL;
416 vlc_mutex_init( p_this, &p_sys->lock );
417 vlc_cond_init( p_this, &p_sys->wait );
419 /* Build directshow graph */
420 CreateDirectShowGraph( p_sys );
422 if( OpenDevice( p_this, p_sys, vdevname, 0 ) != VLC_SUCCESS )
424 msg_Err( p_this, "can't open video");
428 /* Check if we can handle the demuxing ourselves or need to spawn
429 * a demuxer module */
430 dshow_stream_t *p_stream = p_sys->pp_streams[p_sys->i_streams-1];
432 if( p_stream->mt.majortype == MEDIATYPE_Video )
434 if( /* Raw DV stream */
435 p_stream->i_fourcc == VLC_FOURCC('d','v','s','l') ||
436 p_stream->i_fourcc == VLC_FOURCC('d','v','s','d') ||
437 p_stream->i_fourcc == VLC_FOURCC('d','v','h','d') ||
438 /* Raw MPEG video stream */
439 p_stream->i_fourcc == VLC_FOURCC('m','p','2','v') )
445 /* Let the access (only) take care of that */
451 if( p_stream->mt.majortype == MEDIATYPE_Stream )
457 /* Let the access (only) take care of that */
461 var_Get( p_this, "dshow-tuner", &val );
464 /* FIXME: we do MEDIATYPE_Stream here so we don't do
466 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
467 p_stream->p_device_filter, 0 );
472 if( b_audio && OpenDevice( p_this, p_sys, adevname, 1 ) != VLC_SUCCESS )
474 msg_Err( p_this, "can't open audio");
477 for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
479 var_Get( p_this, "dshow-video-input", &val );
481 p_sys->crossbar_routes[i].VideoInputIndex=val.i_int;
482 var_Get( p_this, "dshow-video-output", &val );
484 p_sys->crossbar_routes[i].VideoOutputIndex=val.i_int;
485 var_Get( p_this, "dshow-audio-input", &val );
487 p_sys->crossbar_routes[i].AudioInputIndex=val.i_int;
488 var_Get( p_this, "dshow-audio-output", &val );
490 p_sys->crossbar_routes[i].AudioOutputIndex=val.i_int;
492 IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
493 LONG VideoInputIndex = p_sys->crossbar_routes[i].VideoInputIndex;
494 LONG VideoOutputIndex = p_sys->crossbar_routes[i].VideoOutputIndex;
495 LONG AudioInputIndex = p_sys->crossbar_routes[i].AudioInputIndex;
496 LONG AudioOutputIndex = p_sys->crossbar_routes[i].AudioOutputIndex;
498 if( SUCCEEDED(pXbar->Route(VideoOutputIndex, VideoInputIndex)) )
500 msg_Dbg( p_this, "crossbar at depth %d, routed video "
501 "output %ld to video input %ld", i, VideoOutputIndex,
504 if( AudioOutputIndex != -1 && AudioInputIndex != -1 )
506 if( SUCCEEDED( pXbar->Route(AudioOutputIndex,
509 msg_Dbg(p_this, "crossbar at depth %d, routed audio "
510 "output %ld to audio input %ld", i,
511 AudioOutputIndex, AudioInputIndex );
518 ** Show properties pages from other filters in graph
520 var_Get( p_this, "dshow-config", &val );
523 for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
525 IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
528 if( SUCCEEDED( pXbar->QueryInterface( IID_IBaseFilter,
531 ShowPropertyPage( p_XF );
537 /* Initialize some data */
538 p_sys->i_current_stream = 0;
540 if( !p_sys->i_streams ) return VLC_EGENERIC;
545 /*****************************************************************************
546 * DemuxOpen: open direct show device as an access_demux module
547 *****************************************************************************/
548 static int DemuxOpen( vlc_object_t *p_this )
550 demux_t *p_demux = (demux_t *)p_this;
554 p_sys = (access_sys_t *)malloc( sizeof( access_sys_t ) );
555 memset( p_sys, 0, sizeof( access_sys_t ) );
556 p_demux->p_sys = (demux_sys_t *)p_sys;
558 if( CommonOpen( p_this, p_sys, VLC_TRUE ) != VLC_SUCCESS )
560 CommonClose( p_this, p_sys );
564 /* Everything is ready. Let's rock baby */
565 msg_Dbg( p_this, "Playing...");
566 p_sys->p_control->Run();
568 p_demux->pf_demux = Demux;
569 p_demux->pf_control = DemuxControl;
570 p_demux->info.i_update = 0;
571 p_demux->info.i_title = 0;
572 p_demux->info.i_seekpoint = 0;
574 for( i = 0; i < p_sys->i_streams; i++ )
576 dshow_stream_t *p_stream = p_sys->pp_streams[i];
579 if( p_stream->mt.majortype == MEDIATYPE_Video )
581 es_format_Init( &fmt, VIDEO_ES, p_stream->i_fourcc );
583 fmt.video.i_width = p_stream->header.video.bmiHeader.biWidth;
584 fmt.video.i_height = p_stream->header.video.bmiHeader.biHeight;
585 fmt.video.i_aspect = 4 * VOUT_ASPECT_FACTOR / 3;
587 if( !p_stream->header.video.bmiHeader.biCompression )
589 /* RGB DIB are coded from bottom to top */
590 fmt.video.i_height = (unsigned int)(-(int)fmt.video.i_height);
593 /* Setup rgb mask for RGB formats */
594 if( p_stream->i_fourcc == VLC_FOURCC('R','V','2','4') )
596 /* This is in BGR format */
597 fmt.video.i_bmask = 0x00ff0000;
598 fmt.video.i_gmask = 0x0000ff00;
599 fmt.video.i_rmask = 0x000000ff;
602 if( p_stream->header.video.AvgTimePerFrame )
604 fmt.video.i_frame_rate = 10000000;
605 fmt.video.i_frame_rate_base =
606 p_stream->header.video.AvgTimePerFrame;
609 else if( p_stream->mt.majortype == MEDIATYPE_Audio )
611 es_format_Init( &fmt, AUDIO_ES, p_stream->i_fourcc );
613 fmt.audio.i_channels = p_stream->header.audio.nChannels;
614 fmt.audio.i_rate = p_stream->header.audio.nSamplesPerSec;
615 fmt.audio.i_bitspersample = p_stream->header.audio.wBitsPerSample;
616 fmt.audio.i_blockalign = fmt.audio.i_channels *
617 fmt.audio.i_bitspersample / 8;
618 fmt.i_bitrate = fmt.audio.i_channels * fmt.audio.i_rate *
619 fmt.audio.i_bitspersample;
622 p_stream->p_es = es_out_Add( p_demux->out, &fmt );
628 /*****************************************************************************
629 * AccessOpen: open direct show device as an access module
630 *****************************************************************************/
631 static int AccessOpen( vlc_object_t *p_this )
633 access_t *p_access = (access_t*)p_this;
636 p_access->p_sys = p_sys = (access_sys_t *)malloc( sizeof( access_sys_t ) );
637 memset( p_sys, 0, sizeof( access_sys_t ) );
639 if( CommonOpen( p_this, p_sys, VLC_FALSE ) != VLC_SUCCESS )
641 CommonClose( p_this, p_sys );
645 dshow_stream_t *p_stream = p_sys->pp_streams[0];
647 /* Check if we need to force demuxers */
648 if( !p_access->psz_demux || !*p_access->psz_demux )
650 if( p_stream->i_fourcc == VLC_FOURCC('d','v','s','l') ||
651 p_stream->i_fourcc == VLC_FOURCC('d','v','s','d') ||
652 p_stream->i_fourcc == VLC_FOURCC('d','v','h','d') )
654 p_access->psz_demux = strdup( "rawdv" );
656 else if( p_stream->i_fourcc == VLC_FOURCC('m','p','2','v') )
658 p_access->psz_demux = "mpgv";
663 p_access->pf_read = NULL;
664 p_access->pf_block = ReadCompressed;
665 p_access->pf_control = AccessControl;
666 p_access->pf_seek = NULL;
667 p_access->info.i_update = 0;
668 p_access->info.i_size = 0;
669 p_access->info.i_pos = 0;
670 p_access->info.b_eof = VLC_FALSE;
671 p_access->info.i_title = 0;
672 p_access->info.i_seekpoint = 0;
673 p_access->p_sys = p_sys;
675 /* Everything is ready. Let's rock baby */
676 msg_Dbg( p_this, "Playing...");
677 p_sys->p_control->Run();
682 /*****************************************************************************
683 * CommonClose: close device
684 *****************************************************************************/
685 static void CommonClose( vlc_object_t *p_this, access_sys_t *p_sys )
687 msg_Dbg( p_this, "releasing DirectShow");
689 DeleteDirectShowGraph( p_sys );
691 /* Uninitialize OLE/COM */
694 for( int i = 0; i < p_sys->i_streams; i++ ) delete p_sys->pp_streams[i];
695 if( p_sys->i_streams ) free( p_sys->pp_streams );
697 vlc_mutex_destroy( &p_sys->lock );
698 vlc_cond_destroy( &p_sys->wait );
703 /*****************************************************************************
704 * AccessClose: close device
705 *****************************************************************************/
706 static void AccessClose( vlc_object_t *p_this )
708 access_t *p_access = (access_t *)p_this;
709 access_sys_t *p_sys = p_access->p_sys;
711 /* Stop capturing stuff */
712 p_sys->p_control->Stop();
714 CommonClose( p_this, p_sys );
717 /*****************************************************************************
718 * DemuxClose: close device
719 *****************************************************************************/
720 static void DemuxClose( vlc_object_t *p_this )
722 demux_t *p_demux = (demux_t *)p_this;
723 access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
725 /* Stop capturing stuff */
726 p_sys->p_control->Stop();
728 CommonClose( p_this, p_sys );
731 /****************************************************************************
733 ****************************************************************************/
734 static bool ConnectFilters( vlc_object_t *p_this, access_sys_t *p_sys,
735 IBaseFilter *p_filter,
736 CaptureFilter *p_capture_filter )
738 CapturePin *p_input_pin = p_capture_filter->CustomGetPin();
740 AM_MEDIA_TYPE mediaType = p_input_pin->CustomGetMediaType();
742 if( p_sys->p_capture_graph_builder2 )
744 if( FAILED(p_sys->p_capture_graph_builder2->
745 RenderStream( &PIN_CATEGORY_CAPTURE, &mediaType.majortype,
746 p_filter, 0, (IBaseFilter *)p_capture_filter )) )
751 // Sort out all the possible video inputs
752 // The class needs to be given the capture filters ANALOGVIDEO input pin
754 if( ( mediaType.majortype == MEDIATYPE_Video ||
755 mediaType.majortype == MEDIATYPE_Stream ) &&
756 SUCCEEDED(p_filter->EnumPins(&pins)) )
762 IKsPropertySet *pKs=0;
766 while( !Found && ( S_OK == pins->Next(1, &pP, &n) ) )
768 if( S_OK == pP->QueryPinInfo(&pinInfo) )
770 // is this pin an ANALOGVIDEOIN input pin?
771 if( pinInfo.dir == PINDIR_INPUT &&
772 pP->QueryInterface( IID_IKsPropertySet,
773 (void **)&pKs ) == S_OK )
775 if( pKs->Get( AMPROPSETID_Pin,
776 AMPROPERTY_PIN_CATEGORY, NULL, 0,
777 &guid, sizeof(GUID), &dw ) == S_OK )
779 if( guid == PIN_CATEGORY_ANALOGVIDEOIN )
781 // recursively search crossbar routes
782 FindCrossbarRoutes( p_this, p_sys, pP, 0 );
789 pinInfo.pFilter->Release();
799 IEnumPins *p_enumpins;
802 if( S_OK != p_filter->EnumPins( &p_enumpins ) ) return false;
804 while( S_OK == p_enumpins->Next( 1, &p_pin, NULL ) )
806 PIN_DIRECTION pin_dir;
807 p_pin->QueryDirection( &pin_dir );
809 if( pin_dir == PINDIR_OUTPUT &&
810 p_sys->p_graph->ConnectDirect( p_pin, (IPin *)p_input_pin,
814 p_enumpins->Release();
820 p_enumpins->Release();
826 * get fourcc priority from arbritary preference, the higher the better
828 static int GetFourCCPriority( int i_fourcc )
832 case VLC_FOURCC('I','4','2','0'):
833 case VLC_FOURCC('f','l','3','2'):
835 case VLC_FOURCC('Y','V','1','2'):
836 case VLC_FOURCC('a','r','a','w'):
838 case VLC_FOURCC('R','V','2','4'):
840 case VLC_FOURCC('Y','U','Y','2'):
841 case VLC_FOURCC('R','V','3','2'):
842 case VLC_FOURCC('R','G','B','A'):
849 #define MAX_MEDIA_TYPES 32
851 static int OpenDevice( vlc_object_t *p_this, access_sys_t *p_sys,
852 string devicename, vlc_bool_t b_audio )
854 /* See if device is already opened */
855 for( int i = 0; i < p_sys->i_streams; i++ )
857 if( devicename.size() &&
858 p_sys->pp_streams[i]->devicename == devicename )
865 list<string> list_devices;
867 /* Enumerate devices and display their names */
868 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
870 if( !list_devices.size() )
873 list<string>::iterator iter;
874 for( iter = list_devices.begin(); iter != list_devices.end(); iter++ )
875 msg_Dbg( p_this, "found device: %s", iter->c_str() );
877 /* If no device name was specified, pick the 1st one */
878 if( devicename.size() == 0 )
880 devicename = *list_devices.begin();
883 // Use the system device enumerator and class enumerator to find
884 // a capture/preview device, such as a desktop USB video camera.
885 IBaseFilter *p_device_filter =
886 FindCaptureDevice( p_this, &devicename, 0, b_audio );
887 if( p_device_filter )
888 msg_Dbg( p_this, "using device: %s", devicename.c_str() );
891 msg_Err( p_this, "can't use device: %s, unsupported device type",
892 devicename.c_str() );
896 // Retreive acceptable media types supported by device
897 AM_MEDIA_TYPE media_types[MAX_MEDIA_TYPES];
899 EnumDeviceCaps( p_this, p_device_filter, b_audio ? 0 : p_sys->i_chroma,
900 p_sys->i_width, p_sys->i_height,
901 0, 0, 0, media_types, MAX_MEDIA_TYPES );
903 AM_MEDIA_TYPE *mt = NULL;
905 if( media_count > 0 )
907 mt = (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE) * media_count);
909 // Order and copy returned media types according to arbitrary
911 for( size_t c = 0; c < media_count; c++ )
914 GetFourCCPriority(GetFourCCFromMediaType(media_types[c]));
915 size_t slot_copy = c;
916 for( size_t d = c+1; d < media_count; d++ )
919 GetFourCCPriority(GetFourCCFromMediaType(media_types[d]));
920 if( priority > slot_priority )
922 slot_priority = priority;
928 mt[c] = media_types[slot_copy];
929 media_types[slot_copy] = media_types[c];
933 mt[c] = media_types[c];
939 msg_Err( p_this, "capture device '%s' does not support required parameters !", devicename.c_str() );
940 p_device_filter->Release();
944 /* Create and add our capture filter */
945 CaptureFilter *p_capture_filter =
946 new CaptureFilter( p_this, p_sys, mt, media_count );
947 p_sys->p_graph->AddFilter( p_capture_filter, 0 );
949 /* Add the device filter to the graph (seems necessary with VfW before
950 * accessing pin attributes). */
951 p_sys->p_graph->AddFilter( p_device_filter, 0 );
953 /* Attempt to connect one of this device's capture output pins */
954 msg_Dbg( p_this, "connecting filters" );
955 if( ConnectFilters( p_this, p_sys, p_device_filter, p_capture_filter ) )
958 msg_Dbg( p_this, "filters connected successfully !" );
960 dshow_stream_t dshow_stream;
961 dshow_stream.b_pts = VLC_FALSE;
962 dshow_stream.p_es = 0;
964 p_capture_filter->CustomGetPin()->CustomGetMediaType();
966 /* Show Device properties. Done here so the VLC stream is setup with
967 * the proper parameters. */
969 var_Get( p_this, "dshow-config", &val );
972 ShowDeviceProperties( p_this, p_sys->p_capture_graph_builder2,
973 p_device_filter, b_audio );
976 ConfigTuner( p_this, p_sys->p_capture_graph_builder2,
979 var_Get( p_this, "dshow-tuner", &val );
980 if( val.b_bool && dshow_stream.mt.majortype != MEDIATYPE_Stream )
982 /* FIXME: we do MEDIATYPE_Stream later so we don't do it twice. */
983 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
984 p_device_filter, b_audio );
988 p_capture_filter->CustomGetPin()->CustomGetMediaType();
990 dshow_stream.i_fourcc = GetFourCCFromMediaType( dshow_stream.mt );
991 if( dshow_stream.i_fourcc )
993 if( dshow_stream.mt.majortype == MEDIATYPE_Video )
995 dshow_stream.header.video =
996 *(VIDEOINFOHEADER *)dshow_stream.mt.pbFormat;
997 msg_Dbg( p_this, "MEDIATYPE_Video" );
998 msg_Dbg( p_this, "selected video pin accepts format: %4.4s",
999 (char *)&dshow_stream.i_fourcc);
1001 else if( dshow_stream.mt.majortype == MEDIATYPE_Audio )
1003 dshow_stream.header.audio =
1004 *(WAVEFORMATEX *)dshow_stream.mt.pbFormat;
1005 msg_Dbg( p_this, "MEDIATYPE_Audio" );
1006 msg_Dbg( p_this, "selected audio pin accepts format: %4.4s",
1007 (char *)&dshow_stream.i_fourcc);
1009 else if( dshow_stream.mt.majortype == MEDIATYPE_Stream )
1011 msg_Dbg( p_this, "MEDIATYPE_Stream" );
1012 msg_Dbg( p_this, "selected stream pin accepts format: %4.4s",
1013 (char *)&dshow_stream.i_fourcc);
1017 msg_Dbg( p_this, "unknown stream majortype" );
1021 /* Add directshow elementary stream to our list */
1022 dshow_stream.p_device_filter = p_device_filter;
1023 dshow_stream.p_capture_filter = p_capture_filter;
1025 p_sys->pp_streams = (dshow_stream_t **)realloc( p_sys->pp_streams,
1026 sizeof(dshow_stream_t *) * (p_sys->i_streams + 1) );
1027 p_sys->pp_streams[p_sys->i_streams] = new dshow_stream_t;
1028 *p_sys->pp_streams[p_sys->i_streams++] = dshow_stream;
1035 /* Remove filters from graph */
1036 p_sys->p_graph->RemoveFilter( p_device_filter );
1037 p_sys->p_graph->RemoveFilter( p_capture_filter );
1039 /* Release objects */
1040 p_device_filter->Release();
1041 p_capture_filter->Release();
1043 return VLC_EGENERIC;
1046 static IBaseFilter *
1047 FindCaptureDevice( vlc_object_t *p_this, string *p_devicename,
1048 list<string> *p_listdevices, vlc_bool_t b_audio )
1050 IBaseFilter *p_base_filter = NULL;
1051 IMoniker *p_moniker = NULL;
1055 /* Create the system device enumerator */
1056 ICreateDevEnum *p_dev_enum = NULL;
1058 hr = CoCreateInstance( CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
1059 IID_ICreateDevEnum, (void **)&p_dev_enum );
1062 msg_Err( p_this, "failed to create the device enumerator (0x%lx)", hr);
1066 /* Create an enumerator for the video capture devices */
1067 IEnumMoniker *p_class_enum = NULL;
1069 hr = p_dev_enum->CreateClassEnumerator( CLSID_VideoInputDeviceCategory,
1072 hr = p_dev_enum->CreateClassEnumerator( CLSID_AudioInputDeviceCategory,
1074 p_dev_enum->Release();
1077 msg_Err( p_this, "failed to create the class enumerator (0x%lx)", hr );
1081 /* If there are no enumerators for the requested type, then
1082 * CreateClassEnumerator will succeed, but p_class_enum will be NULL */
1083 if( p_class_enum == NULL )
1085 msg_Err( p_this, "no capture device was detected" );
1089 /* Enumerate the devices */
1091 /* Note that if the Next() call succeeds but there are no monikers,
1092 * it will return S_FALSE (which is not a failure). Therefore, we check
1093 * that the return code is S_OK instead of using SUCCEEDED() macro. */
1095 while( p_class_enum->Next( 1, &p_moniker, &i_fetched ) == S_OK )
1097 /* Getting the property page to get the device name */
1098 IPropertyBag *p_bag;
1099 hr = p_moniker->BindToStorage( 0, 0, IID_IPropertyBag,
1105 hr = p_bag->Read( L"FriendlyName", &var, NULL );
1109 int i_convert = WideCharToMultiByte(CP_ACP, 0, var.bstrVal,
1110 SysStringLen(var.bstrVal), NULL, 0, NULL, NULL);
1111 char *p_buf = (char *)alloca( i_convert+1 ); p_buf[0] = 0;
1112 WideCharToMultiByte( CP_ACP, 0, var.bstrVal,
1113 SysStringLen(var.bstrVal), p_buf, i_convert, NULL, NULL );
1114 SysFreeString(var.bstrVal);
1115 p_buf[i_convert] = '\0';
1117 if( p_listdevices ) p_listdevices->push_back( p_buf );
1119 if( p_devicename && *p_devicename == string(p_buf) )
1121 /* Bind Moniker to a filter object */
1122 hr = p_moniker->BindToObject( 0, 0, IID_IBaseFilter,
1123 (void **)&p_base_filter );
1126 msg_Err( p_this, "couldn't bind moniker to filter "
1127 "object (0x%lx)", hr );
1128 p_moniker->Release();
1129 p_class_enum->Release();
1132 p_moniker->Release();
1133 p_class_enum->Release();
1134 return p_base_filter;
1139 p_moniker->Release();
1142 p_class_enum->Release();
1146 static size_t EnumDeviceCaps( vlc_object_t *p_this, IBaseFilter *p_filter,
1147 int i_fourcc, int i_width, int i_height,
1148 int i_channels, int i_samplespersec,
1149 int i_bitspersample, AM_MEDIA_TYPE *mt,
1152 IEnumPins *p_enumpins;
1154 IEnumMediaTypes *p_enummt;
1155 size_t mt_count = 0;
1157 LONGLONG i_AvgTimePerFrame = 0;
1158 float r_fps = var_GetFloat( p_this, "dshow-fps" );
1160 i_AvgTimePerFrame = 10000000000LL/(LONGLONG)(r_fps*1000.0f);
1162 if( FAILED(p_filter->EnumPins( &p_enumpins )) )
1164 msg_Dbg( p_this, "EnumDeviceCaps failed: no pin enumeration !");
1168 while( S_OK == p_enumpins->Next( 1, &p_output_pin, NULL ) )
1172 if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1174 msg_Dbg( p_this, "EnumDeviceCaps: %s pin: %S",
1175 info.dir == PINDIR_INPUT ? "input" : "output",
1177 if( info.pFilter ) info.pFilter->Release();
1180 p_output_pin->Release();
1183 p_enumpins->Reset();
1185 while( !mt_count && p_enumpins->Next( 1, &p_output_pin, NULL ) == S_OK )
1189 if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1191 if( info.pFilter ) info.pFilter->Release();
1192 if( info.dir == PINDIR_INPUT )
1194 p_output_pin->Release();
1197 msg_Dbg( p_this, "EnumDeviceCaps: trying pin %S", info.achName );
1200 AM_MEDIA_TYPE *p_mt;
1203 ** Configure pin with a default compatible media if possible
1206 IAMStreamConfig *pSC;
1207 if( SUCCEEDED(p_output_pin->QueryInterface( IID_IAMStreamConfig,
1210 int piCount, piSize;
1211 if( SUCCEEDED(pSC->GetNumberOfCapabilities(&piCount, &piSize)) )
1213 BYTE *pSCC= (BYTE *)CoTaskMemAlloc(piSize);
1216 int i_priority = -1;
1217 for( int i=0; i<piCount; ++i )
1219 if( SUCCEEDED(pSC->GetStreamCaps(i, &p_mt, pSCC)) )
1221 int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1222 int i_current_priority = GetFourCCPriority(i_current_fourcc);
1224 if( (i_fourcc && (i_current_fourcc != i_fourcc))
1225 || (i_priority > i_current_priority) )
1227 // unwanted chroma, try next media type
1228 FreeMediaType( *p_mt );
1229 CoTaskMemFree( (PVOID)p_mt );
1233 if( MEDIATYPE_Video == p_mt->majortype
1234 && FORMAT_VideoInfo == p_mt->formattype )
1236 VIDEO_STREAM_CONFIG_CAPS *pVSCC = reinterpret_cast<VIDEO_STREAM_CONFIG_CAPS*>(pSCC);
1237 VIDEOINFOHEADER *pVih = reinterpret_cast<VIDEOINFOHEADER*>(p_mt->pbFormat);
1239 if( i_AvgTimePerFrame )
1241 if( pVSCC->MinFrameInterval > i_AvgTimePerFrame
1242 || i_AvgTimePerFrame > pVSCC->MaxFrameInterval )
1244 // required frame rate not compatible, try next media type
1245 FreeMediaType( *p_mt );
1246 CoTaskMemFree( (PVOID)p_mt );
1249 pVih->AvgTimePerFrame = i_AvgTimePerFrame;
1254 if( i_width % pVSCC->OutputGranularityX
1255 || pVSCC->MinOutputSize.cx > i_width
1256 || i_width > pVSCC->MaxOutputSize.cx )
1258 // required width not compatible, try next media type
1259 FreeMediaType( *p_mt );
1260 CoTaskMemFree( (PVOID)p_mt );
1263 pVih->bmiHeader.biWidth = i_width;
1268 if( i_height % pVSCC->OutputGranularityY
1269 || pVSCC->MinOutputSize.cy > i_height
1270 || i_height > pVSCC->MaxOutputSize.cy )
1272 // required height not compatible, try next media type
1273 FreeMediaType( *p_mt );
1274 CoTaskMemFree( (PVOID)p_mt );
1277 pVih->bmiHeader.biHeight = i_height;
1280 // Set the sample size and image size.
1281 // (Round the image width up to a DWORD boundary.)
1282 p_mt->lSampleSize = pVih->bmiHeader.biSizeImage =
1283 ((pVih->bmiHeader.biWidth + 3) & ~3) *
1284 pVih->bmiHeader.biHeight * (pVih->bmiHeader.biBitCount>>3);
1286 // no cropping, use full video input buffer
1287 memset(&(pVih->rcSource), 0, sizeof(RECT));
1288 memset(&(pVih->rcTarget), 0, sizeof(RECT));
1290 // select this format as default
1291 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1293 i_priority = i_current_priority;
1295 // no need to check any more media types
1299 else if( p_mt->majortype == MEDIATYPE_Audio
1300 && p_mt->formattype == FORMAT_WaveFormatEx )
1302 AUDIO_STREAM_CONFIG_CAPS *pASCC = reinterpret_cast<AUDIO_STREAM_CONFIG_CAPS*>(pSCC);
1303 WAVEFORMATEX *pWfx = reinterpret_cast<WAVEFORMATEX*>(p_mt->pbFormat);
1305 if( i_current_fourcc && (WAVE_FORMAT_PCM == pWfx->wFormatTag) )
1307 int val = i_channels;
1311 if( val % pASCC->ChannelsGranularity
1312 || (unsigned int)val < pASCC->MinimumChannels
1313 || (unsigned int)val > pASCC->MaximumChannels )
1315 // required number channels not available, try next media type
1316 FreeMediaType( *p_mt );
1317 CoTaskMemFree( (PVOID)p_mt );
1320 pWfx->nChannels = val;
1322 val = i_samplespersec;
1326 if( val % pASCC->SampleFrequencyGranularity
1327 || (unsigned int)val < pASCC->MinimumSampleFrequency
1328 || (unsigned int)val > pASCC->MaximumSampleFrequency )
1330 // required sampling rate not available, try next media type
1331 FreeMediaType( *p_mt );
1332 CoTaskMemFree( (PVOID)p_mt );
1335 pWfx->nSamplesPerSec = val;
1337 val = i_bitspersample;
1340 if( VLC_FOURCC('f', 'l', '3', '2') == i_current_fourcc )
1346 if( val % pASCC->BitsPerSampleGranularity
1347 || (unsigned int)val < pASCC->MinimumBitsPerSample
1348 || (unsigned int)val > pASCC->MaximumBitsPerSample )
1350 // required sample size not available, try next media type
1351 FreeMediaType( *p_mt );
1352 CoTaskMemFree( (PVOID)p_mt );
1356 pWfx->wBitsPerSample = val;
1357 pWfx->nBlockAlign = (pWfx->wBitsPerSample * pWfx->nChannels)/8;
1358 pWfx->nAvgBytesPerSec = pWfx->nSamplesPerSec * pWfx->nBlockAlign;
1360 // select this format as default
1361 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1363 i_priority = i_current_priority;
1367 FreeMediaType( *p_mt );
1368 CoTaskMemFree( (PVOID)p_mt );
1371 CoTaskMemFree( (LPVOID)pSCC );
1372 if( i_priority >= 0 )
1373 msg_Dbg( p_this, "EnumDeviceCaps: input pin default format configured");
1380 ** Probe pin for available medias (may be a previously configured one)
1383 if( FAILED( p_output_pin->EnumMediaTypes( &p_enummt ) ) )
1385 p_output_pin->Release();
1389 while( p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1391 int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1392 if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Video
1393 && p_mt->formattype == FORMAT_VideoInfo )
1395 int i_current_width = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1396 int i_current_height = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1397 LONGLONG i_current_atpf = ((VIDEOINFOHEADER *)p_mt->pbFormat)->AvgTimePerFrame;
1399 if( i_current_height < 0 )
1400 i_current_height = -i_current_height;
1402 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1403 "accepts chroma: %4.4s, width:%i, height:%i, fps:%f",
1404 (char *)&i_current_fourcc, i_current_width,
1405 i_current_height, (10000000.0f/((float)i_current_atpf)) );
1407 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1408 ( !i_width || i_width == i_current_width ) &&
1409 ( !i_height || i_height == i_current_height ) &&
1410 ( !i_AvgTimePerFrame || i_AvgTimePerFrame == i_current_atpf ) &&
1414 mt[mt_count++] = *p_mt;
1416 else FreeMediaType( *p_mt );
1418 else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Audio
1419 && p_mt->formattype == FORMAT_WaveFormatEx)
1421 int i_current_channels =
1422 ((WAVEFORMATEX *)p_mt->pbFormat)->nChannels;
1423 int i_current_samplespersec =
1424 ((WAVEFORMATEX *)p_mt->pbFormat)->nSamplesPerSec;
1425 int i_current_bitspersample =
1426 ((WAVEFORMATEX *)p_mt->pbFormat)->wBitsPerSample;
1428 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1429 "accepts format: %4.4s, channels:%i, "
1430 "samples/sec:%i bits/sample:%i",
1431 (char *)&i_current_fourcc, i_current_channels,
1432 i_current_samplespersec, i_current_bitspersample);
1434 if( (!i_channels || i_channels == i_current_channels) &&
1435 (!i_samplespersec ||
1436 i_samplespersec == i_current_samplespersec) &&
1437 (!i_bitspersample ||
1438 i_bitspersample == i_current_bitspersample) &&
1442 mt[mt_count++] = *p_mt;
1444 /* Setup a few properties like the audio latency */
1445 IAMBufferNegotiation *p_ambuf;
1446 if( SUCCEEDED( p_output_pin->QueryInterface(
1447 IID_IAMBufferNegotiation, (void **)&p_ambuf ) ) )
1449 ALLOCATOR_PROPERTIES AllocProp;
1450 AllocProp.cbAlign = -1;
1452 /* 100 ms of latency */
1453 AllocProp.cbBuffer = i_current_channels *
1454 i_current_samplespersec *
1455 i_current_bitspersample / 8 / 10;
1457 AllocProp.cbPrefix = -1;
1458 AllocProp.cBuffers = -1;
1459 p_ambuf->SuggestAllocatorProperties( &AllocProp );
1463 else FreeMediaType( *p_mt );
1465 else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Stream )
1467 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1468 "accepts stream format: %4.4s",
1469 (char *)&i_current_fourcc );
1471 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1475 mt[mt_count++] = *p_mt;
1476 i_fourcc = i_current_fourcc;
1478 else FreeMediaType( *p_mt );
1482 char *psz_type = "unknown";
1483 if( p_mt->majortype == MEDIATYPE_Video ) psz_type = "video";
1484 if( p_mt->majortype == MEDIATYPE_Audio ) psz_type = "audio";
1485 if( p_mt->majortype == MEDIATYPE_Stream ) psz_type = "stream";
1486 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: unsupported format "
1487 "(%s %4.4s)", psz_type, (char *)&p_mt->subtype );
1489 FreeMediaType( *p_mt );
1491 CoTaskMemFree( (PVOID)p_mt );
1494 if( !mt_count && p_enummt->Reset() == S_OK )
1496 // VLC did not find any supported MEDIATYPE for this output pin.
1497 // However the graph builder might insert converter filters in
1498 // the graph if we use a different codec in VLC filter input pin.
1499 // however, in order to avoid nasty surprises, make use of this
1500 // facility only for known unsupported codecs.
1502 while( !mt_count && p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1504 // the first four bytes of subtype GUID contains the codec FOURCC
1505 const char *pfcc = (char *)&p_mt->subtype;
1506 int i_current_fourcc = VLC_FOURCC(pfcc[0], pfcc[1], pfcc[2], pfcc[3]);
1507 if( VLC_FOURCC('H','C','W','2') == i_current_fourcc
1508 && p_mt->majortype == MEDIATYPE_Video )
1510 // output format for 'Hauppauge WinTV PVR PCI II Capture'
1511 // try I420 as an input format
1512 i_current_fourcc = VLC_FOURCC('I','4','2','0');
1513 if( !i_fourcc || i_fourcc == i_current_fourcc )
1515 // return alternative media type
1519 mtr.majortype = MEDIATYPE_Video;
1520 mtr.subtype = MEDIASUBTYPE_I420;
1521 mtr.bFixedSizeSamples = TRUE;
1522 mtr.bTemporalCompression = FALSE;
1524 mtr.formattype = FORMAT_VideoInfo;
1525 mtr.cbFormat = sizeof(vh);
1526 mtr.pbFormat = (BYTE *)&vh;
1528 memset(&vh, 0, sizeof(vh));
1530 vh.bmiHeader.biSize = sizeof(vh.bmiHeader);
1531 vh.bmiHeader.biWidth = i_width > 0 ? i_width :
1532 ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1533 vh.bmiHeader.biHeight = i_height > 0 ? i_height :
1534 ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1535 vh.bmiHeader.biPlanes = 3;
1536 vh.bmiHeader.biBitCount = 12;
1537 vh.bmiHeader.biCompression = VLC_FOURCC('I','4','2','0');
1538 vh.bmiHeader.biSizeImage = vh.bmiHeader.biWidth * 12 *
1539 vh.bmiHeader.biHeight / 8;
1540 mtr.lSampleSize = vh.bmiHeader.biSizeImage;
1542 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: using 'I420' in place of unsupported format 'HCW2'");
1544 if( SUCCEEDED(CopyMediaType(mt+mt_count, &mtr)) )
1548 FreeMediaType( *p_mt );
1552 p_enummt->Release();
1553 p_output_pin->Release();
1556 p_enumpins->Release();
1560 /*****************************************************************************
1561 * ReadCompressed: reads compressed (MPEG/DV) data from the device.
1562 *****************************************************************************
1563 * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
1565 *****************************************************************************/
1566 static block_t *ReadCompressed( access_t *p_access )
1568 access_sys_t *p_sys = p_access->p_sys;
1569 dshow_stream_t *p_stream = NULL;
1570 VLCMediaSample sample;
1572 /* Read 1 DV/MPEG frame (they contain the video and audio data) */
1574 /* There must be only 1 elementary stream to produce a valid stream
1575 * of MPEG or DV data */
1576 p_stream = p_sys->pp_streams[0];
1580 if( p_access->b_die || p_access->b_error ) return 0;
1582 /* Get new sample/frame from the elementary stream (blocking). */
1583 vlc_mutex_lock( &p_sys->lock );
1585 if( p_stream->p_capture_filter->CustomGetPin()
1586 ->CustomGetSample( &sample ) != S_OK )
1588 /* No data available. Wait until some data has arrived */
1589 vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1590 vlc_mutex_unlock( &p_sys->lock );
1594 vlc_mutex_unlock( &p_sys->lock );
1601 int i_data_size = sample.p_sample->GetActualDataLength();
1603 if( !i_data_size || !(p_block = block_New( p_access, i_data_size )) )
1605 sample.p_sample->Release();
1609 sample.p_sample->GetPointer( &p_data );
1610 p_access->p_vlc->pf_memcpy( p_block->p_buffer, p_data, i_data_size );
1611 sample.p_sample->Release();
1613 /* The caller got what he wanted */
1617 return 0; /* never reached */
1620 /****************************************************************************
1622 ****************************************************************************/
1623 static int Demux( demux_t *p_demux )
1625 access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
1626 dshow_stream_t *p_stream = NULL;
1627 VLCMediaSample sample;
1628 int i_data_size, i_stream;
1632 vlc_mutex_lock( &p_sys->lock );
1634 /* Try to grab an audio sample (audio has a higher priority) */
1635 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1637 p_stream = p_sys->pp_streams[i_stream];
1638 if( p_stream->mt.majortype == MEDIATYPE_Audio &&
1639 p_stream->p_capture_filter &&
1640 p_stream->p_capture_filter->CustomGetPin()
1641 ->CustomGetSample( &sample ) == S_OK )
1646 /* Try to grab a video sample */
1647 if( i_stream == p_sys->i_streams )
1649 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1651 p_stream = p_sys->pp_streams[i_stream];
1652 if( p_stream->p_capture_filter &&
1653 p_stream->p_capture_filter->CustomGetPin()
1654 ->CustomGetSample( &sample ) == S_OK )
1661 vlc_mutex_unlock( &p_sys->lock );
1663 if( i_stream == p_sys->i_streams )
1665 /* Sleep so we do not consume all the cpu, 10ms seems
1666 * like a good value (100fps) */
1674 i_data_size = sample.p_sample->GetActualDataLength();
1675 sample.p_sample->GetPointer( &p_data );
1677 REFERENCE_TIME i_pts, i_end_date;
1678 HRESULT hr = sample.p_sample->GetTime( &i_pts, &i_end_date );
1679 if( hr != VFW_S_NO_STOP_TIME && hr != S_OK ) i_pts = 0;
1683 if( p_stream->mt.majortype == MEDIATYPE_Video || !p_stream->b_pts )
1685 /* Use our data timestamp */
1686 i_pts = sample.i_timestamp;
1687 p_stream->b_pts = VLC_TRUE;
1691 i_pts /= 10; /* Dshow works with 100 nano-seconds resolution */
1694 msg_Dbg( p_demux, "Read() stream: %i, size: %i, PTS: "I64Fd,
1695 i_stream, i_data_size, i_pts );
1698 p_block = block_New( p_demux, i_data_size );
1699 p_demux->p_vlc->pf_memcpy( p_block->p_buffer, p_data, i_data_size );
1700 p_block->i_pts = p_block->i_dts = i_pts;
1701 sample.p_sample->Release();
1703 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_pts > 0 ? i_pts : 0 );
1704 es_out_Send( p_demux->out, p_stream->p_es, p_block );
1709 /*****************************************************************************
1711 *****************************************************************************/
1712 static int AccessControl( access_t *p_access, int i_query, va_list args )
1714 vlc_bool_t *pb_bool;
1721 case ACCESS_CAN_SEEK:
1722 case ACCESS_CAN_FASTSEEK:
1723 case ACCESS_CAN_PAUSE:
1724 case ACCESS_CAN_CONTROL_PACE:
1725 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
1726 *pb_bool = VLC_FALSE;
1730 case ACCESS_GET_MTU:
1731 pi_int = (int*)va_arg( args, int * );
1735 case ACCESS_GET_PTS_DELAY:
1736 pi_64 = (int64_t*)va_arg( args, int64_t * );
1737 *pi_64 = (int64_t)var_GetInteger( p_access, "dshow-caching" ) * 1000;
1741 case ACCESS_SET_PAUSE_STATE:
1742 case ACCESS_GET_TITLE_INFO:
1743 case ACCESS_SET_TITLE:
1744 case ACCESS_SET_SEEKPOINT:
1745 case ACCESS_SET_PRIVATE_ID_STATE:
1746 return VLC_EGENERIC;
1749 msg_Warn( p_access, "unimplemented query in control" );
1750 return VLC_EGENERIC;
1756 /****************************************************************************
1758 ****************************************************************************/
1759 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
1766 /* Special for access_demux */
1767 case DEMUX_CAN_PAUSE:
1768 case DEMUX_SET_PAUSE_STATE:
1769 case DEMUX_CAN_CONTROL_PACE:
1770 pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
1774 case DEMUX_GET_PTS_DELAY:
1775 pi64 = (int64_t*)va_arg( args, int64_t * );
1776 *pi64 = (int64_t)var_GetInteger( p_demux, "dshow-caching" ) * 1000;
1779 case DEMUX_GET_TIME:
1780 pi64 = (int64_t*)va_arg( args, int64_t * );
1784 /* TODO implement others */
1786 return VLC_EGENERIC;
1789 return VLC_EGENERIC;
1792 /*****************************************************************************
1793 * config variable callback
1794 *****************************************************************************/
1795 static int FindDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1796 vlc_value_t newval, vlc_value_t oldval, void * )
1798 module_config_t *p_item;
1799 vlc_bool_t b_audio = VLC_FALSE;
1802 p_item = config_FindConfig( p_this, psz_name );
1803 if( !p_item ) return VLC_SUCCESS;
1805 if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = VLC_TRUE;
1807 /* Clear-up the current list */
1808 if( p_item->i_list )
1810 /* Keep the 2 first entries */
1811 for( i = 2; i < p_item->i_list; i++ )
1813 free( p_item->ppsz_list[i] );
1814 free( p_item->ppsz_list_text[i] );
1816 /* TODO: Remove when no more needed */
1817 p_item->ppsz_list[i] = NULL;
1818 p_item->ppsz_list_text[i] = NULL;
1822 /* Find list of devices */
1823 list<string> list_devices;
1825 /* Initialize OLE/COM */
1828 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1830 /* Uninitialize OLE/COM */
1833 if( !list_devices.size() ) return VLC_SUCCESS;
1836 (char **)realloc( p_item->ppsz_list,
1837 (list_devices.size()+3) * sizeof(char *) );
1838 p_item->ppsz_list_text =
1839 (char **)realloc( p_item->ppsz_list_text,
1840 (list_devices.size()+3) * sizeof(char *) );
1842 list<string>::iterator iter;
1843 for( iter = list_devices.begin(), i = 2; iter != list_devices.end();
1846 p_item->ppsz_list[i] = strdup( iter->c_str() );
1847 p_item->ppsz_list_text[i] = NULL;
1850 p_item->ppsz_list[i] = NULL;
1851 p_item->ppsz_list_text[i] = NULL;
1853 /* Signal change to the interface */
1854 p_item->b_dirty = VLC_TRUE;
1859 static int ConfigDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1860 vlc_value_t newval, vlc_value_t oldval, void * )
1862 module_config_t *p_item;
1863 vlc_bool_t b_audio = VLC_FALSE;
1865 /* Initialize OLE/COM */
1868 p_item = config_FindConfig( p_this, psz_name );
1869 if( !p_item ) return VLC_SUCCESS;
1871 if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = VLC_TRUE;
1875 if( newval.psz_string && *newval.psz_string )
1877 devicename = newval.psz_string;
1881 /* If no device name was specified, pick the 1st one */
1882 list<string> list_devices;
1884 /* Enumerate devices */
1885 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1886 if( !list_devices.size() ) return VLC_EGENERIC;
1887 devicename = *list_devices.begin();
1890 IBaseFilter *p_device_filter =
1891 FindCaptureDevice( p_this, &devicename, NULL, b_audio );
1892 if( p_device_filter )
1894 ShowPropertyPage( p_device_filter );
1898 /* Uninitialize OLE/COM */
1901 msg_Err( p_this, "didn't find device: %s", devicename.c_str() );
1902 return VLC_EGENERIC;
1905 /* Uninitialize OLE/COM */
1911 /*****************************************************************************
1913 *****************************************************************************/
1914 static void ShowPropertyPage( IUnknown *obj )
1916 ISpecifyPropertyPages *p_spec;
1919 HRESULT hr = obj->QueryInterface( IID_ISpecifyPropertyPages,
1921 if( FAILED(hr) ) return;
1923 if( SUCCEEDED(p_spec->GetPages( &cauuid )) )
1925 if( cauuid.cElems > 0 )
1927 HWND hwnd_desktop = ::GetDesktopWindow();
1929 OleCreatePropertyFrame( hwnd_desktop, 30, 30, NULL, 1, &obj,
1930 cauuid.cElems, cauuid.pElems, 0, 0, NULL );
1932 CoTaskMemFree( cauuid.pElems );
1938 static void ShowDeviceProperties( vlc_object_t *p_this,
1939 ICaptureGraphBuilder2 *p_graph,
1940 IBaseFilter *p_device_filter,
1941 vlc_bool_t b_audio )
1944 msg_Dbg( p_this, "configuring Device Properties" );
1947 * Video or audio capture filter page
1949 ShowPropertyPage( p_device_filter );
1954 if( p_graph && b_audio )
1956 IAMStreamConfig *p_SC;
1958 msg_Dbg( p_this, "showing WDM Audio Configuration Pages" );
1960 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1961 &MEDIATYPE_Audio, p_device_filter,
1962 IID_IAMStreamConfig, (void **)&p_SC );
1965 ShowPropertyPage(p_SC);
1973 HRESULT hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1974 &MEDIATYPE_Audio, p_device_filter,
1975 IID_IAMTVAudio, (void **)&p_TVA );
1978 ShowPropertyPage(p_TVA);
1986 if( p_graph && !b_audio )
1988 IAMStreamConfig *p_SC;
1990 msg_Dbg( p_this, "showing WDM Video Configuration Pages" );
1992 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1993 &MEDIATYPE_Interleaved, p_device_filter,
1994 IID_IAMStreamConfig, (void **)&p_SC );
1997 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1998 &MEDIATYPE_Video, p_device_filter,
1999 IID_IAMStreamConfig, (void **)&p_SC );
2004 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2005 &MEDIATYPE_Stream, p_device_filter,
2006 IID_IAMStreamConfig, (void **)&p_SC );
2011 ShowPropertyPage(p_SC);
2017 static void ShowTunerProperties( vlc_object_t *p_this,
2018 ICaptureGraphBuilder2 *p_graph,
2019 IBaseFilter *p_device_filter,
2020 vlc_bool_t b_audio )
2023 msg_Dbg( p_this, "configuring Tuner Properties" );
2025 if( !p_graph || b_audio ) return;
2028 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2029 &MEDIATYPE_Interleaved, p_device_filter,
2030 IID_IAMTVTuner, (void **)&p_TV );
2033 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2034 &MEDIATYPE_Video, p_device_filter,
2035 IID_IAMTVTuner, (void **)&p_TV );
2040 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2041 &MEDIATYPE_Stream, p_device_filter,
2042 IID_IAMTVTuner, (void **)&p_TV );
2047 ShowPropertyPage(p_TV);
2052 static void ConfigTuner( vlc_object_t *p_this, ICaptureGraphBuilder2 *p_graph,
2053 IBaseFilter *p_device_filter )
2055 int i_channel, i_country, i_input, i_amtuner_mode;
2060 if( !p_graph ) return;
2062 i_channel = var_GetInteger( p_this, "dshow-tuner-channel" );
2063 i_country = var_GetInteger( p_this, "dshow-tuner-country" );
2064 i_input = var_GetInteger( p_this, "dshow-tuner-input" );
2065 i_amtuner_mode = var_GetInteger( p_this, "dshow-amtuner-mode" );
2067 if( !i_channel && !i_country && !i_input ) return; /* Nothing to do */
2069 msg_Dbg( p_this, "tuner config: channel %i, country %i, input type %i",
2070 i_channel, i_country, i_input );
2072 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Interleaved,
2073 p_device_filter, IID_IAMTVTuner,
2077 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video,
2078 p_device_filter, IID_IAMTVTuner,
2084 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Stream,
2085 p_device_filter, IID_IAMTVTuner,
2091 msg_Dbg( p_this, "couldn't find tuner interface" );
2095 hr = p_TV->GetAvailableModes( &l_modes );
2096 if( SUCCEEDED(hr) && (l_modes & i_amtuner_mode) )
2098 hr = p_TV->put_Mode( i_amtuner_mode );
2101 if( i_input == 1 ) p_TV->put_InputType( 0, TunerInputCable );
2102 else if( i_input == 2 ) p_TV->put_InputType( 0, TunerInputAntenna );
2104 p_TV->put_CountryCode( i_country );
2105 p_TV->put_Channel( i_channel, AMTUNER_SUBCHAN_NO_TUNE,
2106 AMTUNER_SUBCHAN_NO_TUNE );