1 /*****************************************************************************
2 * dshow.cpp : DirectShow access module for vlc
3 *****************************************************************************
4 * Copyright (C) 2002, 2003 VideoLAN (Centrale Réseaux) and its contributors
7 * Author: Gildas Bazin <gbazin@videolan.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
32 #include <vlc/input.h>
38 /*****************************************************************************
39 * Access: local prototypes
40 *****************************************************************************/
41 static block_t *ReadCompressed( access_t * );
42 static int AccessControl ( access_t *, int, va_list );
44 static int Demux ( demux_t * );
45 static int DemuxControl( demux_t *, int, va_list );
47 static int OpenDevice( vlc_object_t *, access_sys_t *, string, vlc_bool_t );
48 static IBaseFilter *FindCaptureDevice( vlc_object_t *, string *,
49 list<string> *, vlc_bool_t );
50 static size_t EnumDeviceCaps( vlc_object_t *, IBaseFilter *,
51 int, int, int, int, int, int,
52 AM_MEDIA_TYPE *mt, size_t );
53 static bool ConnectFilters( vlc_object_t *, access_sys_t *,
54 IBaseFilter *, CaptureFilter * );
55 static int FindDevicesCallback( vlc_object_t *, char const *,
56 vlc_value_t, vlc_value_t, void * );
57 static int ConfigDevicesCallback( vlc_object_t *, char const *,
58 vlc_value_t, vlc_value_t, void * );
60 static void ShowPropertyPage( IUnknown * );
61 static void ShowDeviceProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
62 IBaseFilter *, vlc_bool_t );
63 static void ShowTunerProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
64 IBaseFilter *, vlc_bool_t );
65 static void ConfigTuner( vlc_object_t *, ICaptureGraphBuilder2 *,
68 /*****************************************************************************
70 *****************************************************************************/
71 static char *ppsz_vdev[] = { "", "none" };
72 static char *ppsz_vdev_text[] = { N_("Default"), N_("None") };
73 static char *ppsz_adev[] = { "", "none" };
74 static char *ppsz_adev_text[] = { N_("Default"), N_("None") };
75 static int pi_tuner_input[] = { 0, 1, 2 };
76 static char *ppsz_tuner_input_text[] =
77 {N_("Default"), N_("Cable"), N_("Antenna")};
79 #define CACHING_TEXT N_("Caching value in ms")
80 #define CACHING_LONGTEXT N_( \
81 "Allows you to modify the default caching value for DirectShow streams. " \
82 "This value should be set in milliseconds units." )
83 #define VDEV_TEXT N_("Video device name")
84 #define VDEV_LONGTEXT N_( \
85 "You can specify the name of the video device that will be used by the " \
86 "DirectShow plugin. If you don't specify anything, the default device " \
88 #define ADEV_TEXT N_("Audio device name")
89 #define ADEV_LONGTEXT N_( \
90 "You can specify the name of the audio device that will be used by the " \
91 "DirectShow plugin. If you don't specify anything, the default device " \
93 #define SIZE_TEXT N_("Video size")
94 #define SIZE_LONGTEXT N_( \
95 "You can specify the size of the video that will be displayed by the " \
96 "DirectShow plugin. If you don't specify anything the default size for " \
97 "your device will be used.")
98 #define CHROMA_TEXT N_("Video input chroma format")
99 #define CHROMA_LONGTEXT N_( \
100 "Force the DirectShow video input to use a specific chroma format " \
101 "(eg. I420 (default), RV24, etc.)")
102 #define FPS_TEXT N_("Video input frame rate")
103 #define FPS_LONGTEXT N_( \
104 "Force the DirectShow video input to use a specific frame rate" \
105 "(eg. 0 means default, 25, 29.97, 50, 59.94, etc.)")
106 #define CONFIG_TEXT N_("Device properties")
107 #define CONFIG_LONGTEXT N_( \
108 "Show the properties dialog of the selected device before starting the " \
110 #define TUNER_TEXT N_("Tuner properties")
111 #define TUNER_LONGTEXT N_( \
112 "Show the tuner properties [channel selection] page." )
113 #define CHANNEL_TEXT N_("Tuner TV Channel")
114 #define CHANNEL_LONGTEXT N_( \
115 "Allows you to set the TV channel the tuner will set to " \
116 "(0 means default)." )
117 #define COUNTRY_TEXT N_("Tuner country code")
118 #define COUNTRY_LONGTEXT N_( \
119 "Allows you to set the tuner country code that establishes the current " \
120 "channel-to-frequency mapping (0 means default)." )
121 #define TUNER_INPUT_TEXT N_("Tuner input type")
122 #define TUNER_INPUT_LONGTEXT N_( \
123 "Allows you to select the tuner input type (Cable/Antenna)." )
125 static int CommonOpen ( vlc_object_t *, access_sys_t *, vlc_bool_t );
126 static void CommonClose( vlc_object_t *, access_sys_t * );
128 static int AccessOpen ( vlc_object_t * );
129 static void AccessClose( vlc_object_t * );
131 static int DemuxOpen ( vlc_object_t * );
132 static void DemuxClose ( vlc_object_t * );
135 set_shortname( _("DirectShow") );
136 set_description( _("DirectShow input") );
137 set_category( CAT_INPUT );
138 set_subcategory( SUBCAT_INPUT_ACCESS );
139 add_integer( "dshow-caching", (mtime_t)(0.2*CLOCK_FREQ) / 1000, NULL,
140 CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
142 add_string( "dshow-vdev", NULL, NULL, VDEV_TEXT, VDEV_LONGTEXT, VLC_FALSE);
143 change_string_list( ppsz_vdev, ppsz_vdev_text, FindDevicesCallback );
144 change_action_add( FindDevicesCallback, N_("Refresh list") );
145 change_action_add( ConfigDevicesCallback, N_("Configure") );
147 add_string( "dshow-adev", NULL, NULL, ADEV_TEXT, ADEV_LONGTEXT, VLC_FALSE);
148 change_string_list( ppsz_adev, ppsz_adev_text, FindDevicesCallback );
149 change_action_add( FindDevicesCallback, N_("Refresh list") );
150 change_action_add( ConfigDevicesCallback, N_("Configure") );
152 add_string( "dshow-size", NULL, NULL, SIZE_TEXT, SIZE_LONGTEXT, VLC_FALSE);
154 add_string( "dshow-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT,
157 add_float( "dshow-fps", 0.0f, NULL, FPS_TEXT, FPS_LONGTEXT,
160 add_bool( "dshow-config", VLC_FALSE, NULL, CONFIG_TEXT, CONFIG_LONGTEXT,
163 add_bool( "dshow-tuner", VLC_FALSE, NULL, TUNER_TEXT, TUNER_LONGTEXT,
166 add_integer( "dshow-tuner-channel", 0, NULL, CHANNEL_TEXT,
167 CHANNEL_LONGTEXT, VLC_TRUE );
169 add_integer( "dshow-tuner-country", 0, NULL, COUNTRY_TEXT,
170 COUNTRY_LONGTEXT, VLC_TRUE );
172 add_integer( "dshow-tuner-input", 0, NULL, TUNER_INPUT_TEXT,
173 TUNER_INPUT_LONGTEXT, VLC_TRUE );
174 change_integer_list( pi_tuner_input, ppsz_tuner_input_text, 0 );
176 add_shortcut( "dshow" );
177 set_capability( "access_demux", 0 );
178 set_callbacks( DemuxOpen, DemuxClose );
181 set_description( _("DirectShow input") );
182 add_shortcut( "dshow" );
183 set_capability( "access2", 0 );
184 set_callbacks( AccessOpen, AccessClose );
188 /*****************************************************************************
189 * DirectShow elementary stream descriptor
190 *****************************************************************************/
191 typedef struct dshow_stream_t
194 IBaseFilter *p_device_filter;
195 CaptureFilter *p_capture_filter;
200 VIDEOINFOHEADER video;
212 /*****************************************************************************
213 * DirectShow utility functions
214 *****************************************************************************/
215 static void CreateDirectShowGraph( access_sys_t *p_sys )
217 p_sys->i_crossbar_route_depth = 0;
219 /* Create directshow filter graph */
220 if( SUCCEEDED( CoCreateInstance( CLSID_FilterGraph, 0, CLSCTX_INPROC,
221 (REFIID)IID_IFilterGraph, (void **)&p_sys->p_graph) ) )
223 /* Create directshow capture graph builder if available */
224 if( SUCCEEDED( CoCreateInstance( CLSID_CaptureGraphBuilder2, 0,
225 CLSCTX_INPROC, (REFIID)IID_ICaptureGraphBuilder2,
226 (void **)&p_sys->p_capture_graph_builder2 ) ) )
228 p_sys->p_capture_graph_builder2->
229 SetFiltergraph((IGraphBuilder *)p_sys->p_graph);
232 p_sys->p_graph->QueryInterface( IID_IMediaControl,
233 (void **)&p_sys->p_control );
237 static void DeleteDirectShowGraph( access_sys_t *p_sys )
239 DeleteCrossbarRoutes( p_sys );
241 /* Remove filters from graph */
242 for( int i = 0; i < p_sys->i_streams; i++ )
244 p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_capture_filter );
245 p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_device_filter );
246 p_sys->pp_streams[i]->p_capture_filter->Release();
247 p_sys->pp_streams[i]->p_device_filter->Release();
250 /* Release directshow objects */
251 if( p_sys->p_control )
253 p_sys->p_control->Release();
254 p_sys->p_control = NULL;
256 if( p_sys->p_capture_graph_builder2 )
258 p_sys->p_capture_graph_builder2->Release();
259 p_sys->p_capture_graph_builder2 = NULL;
264 p_sys->p_graph->Release();
265 p_sys->p_graph = NULL;
269 /*****************************************************************************
270 * CommonOpen: open direct show device
271 *****************************************************************************/
272 static int CommonOpen( vlc_object_t *p_this, access_sys_t *p_sys,
273 vlc_bool_t b_access_demux )
278 /* Get/parse options and open device(s) */
279 string vdevname, adevname;
280 int i_width = 0, i_height = 0, i_chroma = 0;
281 vlc_bool_t b_audio = VLC_TRUE;
283 var_Create( p_this, "dshow-config", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
284 var_Create( p_this, "dshow-tuner", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
286 var_Create( p_this, "dshow-vdev", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
287 var_Get( p_this, "dshow-vdev", &val );
288 if( val.psz_string ) vdevname = string( val.psz_string );
289 if( val.psz_string ) free( val.psz_string );
291 var_Create( p_this, "dshow-adev", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
292 var_Get( p_this, "dshow-adev", &val );
293 if( val.psz_string ) adevname = string( val.psz_string );
294 if( val.psz_string ) free( val.psz_string );
296 static struct {char *psz_size; int i_width; int i_height;} size_table[] =
297 { { "subqcif", 128, 96 }, { "qsif", 160, 120 }, { "qcif", 176, 144 },
298 { "sif", 320, 240 }, { "cif", 352, 288 }, { "cif", 640, 480 },
302 var_Create( p_this, "dshow-size", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
303 var_Get( p_this, "dshow-size", &val );
304 if( val.psz_string && *val.psz_string )
306 for( i = 0; size_table[i].psz_size; i++ )
308 if( !strcmp( val.psz_string, size_table[i].psz_size ) )
310 i_width = size_table[i].i_width;
311 i_height = size_table[i].i_height;
315 if( !size_table[i].psz_size ) /* Try to parse "WidthxHeight" */
318 i_width = strtol( val.psz_string, &psz_parser, 0 );
319 if( *psz_parser == 'x' || *psz_parser == 'X')
321 i_height = strtol( psz_parser + 1, &psz_parser, 0 );
323 msg_Dbg( p_this, "Width x Height %dx%d", i_width, i_height );
326 if( val.psz_string ) free( val.psz_string );
328 var_Create( p_this, "dshow-chroma", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
329 var_Get( p_this, "dshow-chroma", &val );
330 if( val.psz_string && strlen( val.psz_string ) >= 4 )
332 i_chroma = VLC_FOURCC( val.psz_string[0], val.psz_string[1],
333 val.psz_string[2], val.psz_string[3] );
335 if( val.psz_string ) free( val.psz_string );
337 var_Create( p_this, "dshow-fps", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
338 var_Create( p_this, "dshow-tuner-channel",
339 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
340 var_Create( p_this, "dshow-tuner-country",
341 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
342 var_Create( p_this, "dshow-tuner-input",
343 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
345 var_Create( p_this, "dshow-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
347 /* Initialize OLE/COM */
350 /* Initialize some data */
351 p_sys->i_streams = 0;
352 p_sys->pp_streams = 0;
353 p_sys->i_width = i_width;
354 p_sys->i_height = i_height;
355 p_sys->i_chroma = i_chroma;
357 p_sys->p_graph = NULL;
358 p_sys->p_capture_graph_builder2 = NULL;
359 p_sys->p_control = NULL;
361 vlc_mutex_init( p_this, &p_sys->lock );
362 vlc_cond_init( p_this, &p_sys->wait );
364 /* Build directshow graph */
365 CreateDirectShowGraph( p_sys );
367 if( OpenDevice( p_this, p_sys, vdevname, 0 ) != VLC_SUCCESS )
369 msg_Err( p_this, "can't open video");
373 /* Check if we can handle the demuxing ourselves or need to spawn
374 * a demuxer module */
375 dshow_stream_t *p_stream = p_sys->pp_streams[p_sys->i_streams-1];
377 if( p_stream->mt.majortype == MEDIATYPE_Video )
379 if( /* Raw DV stream */
380 p_stream->i_fourcc == VLC_FOURCC('d','v','s','l') ||
381 p_stream->i_fourcc == VLC_FOURCC('d','v','s','d') ||
382 p_stream->i_fourcc == VLC_FOURCC('d','v','h','d') ||
383 /* Raw MPEG video stream */
384 p_stream->i_fourcc == VLC_FOURCC('m','p','2','v') )
390 /* Let the access (only) take care of that */
396 if( p_stream->mt.majortype == MEDIATYPE_Stream )
402 /* Let the access (only) take care of that */
406 var_Get( p_this, "dshow-tuner", &val );
409 /* FIXME: we do MEDIATYPE_Stream here so we don't do
411 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
412 p_stream->p_device_filter, 0 );
417 if( b_audio && OpenDevice( p_this, p_sys, adevname, 1 ) != VLC_SUCCESS )
419 msg_Err( p_this, "can't open audio");
422 for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
424 IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
425 LONG VideoInputIndex = p_sys->crossbar_routes[i].VideoInputIndex;
426 LONG VideoOutputIndex = p_sys->crossbar_routes[i].VideoOutputIndex;
427 LONG AudioInputIndex = p_sys->crossbar_routes[i].AudioInputIndex;
428 LONG AudioOutputIndex = p_sys->crossbar_routes[i].AudioOutputIndex;
430 if( SUCCEEDED(pXbar->Route(VideoOutputIndex, VideoInputIndex)) )
432 msg_Dbg( p_this, "Crossbar at depth %d, Routed video "
433 "ouput %ld to video input %ld", i, VideoOutputIndex,
436 if( AudioOutputIndex != -1 && AudioInputIndex != -1 )
438 if( SUCCEEDED( pXbar->Route(AudioOutputIndex,
441 msg_Dbg(p_this, "Crossbar at depth %d, Routed audio "
442 "ouput %ld to audio input %ld", i,
443 AudioOutputIndex, AudioInputIndex );
450 ** Show properties pages from other filters in graph
452 var_Get( p_this, "dshow-config", &val );
455 for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
457 IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
460 if( SUCCEEDED( pXbar->QueryInterface( IID_IBaseFilter,
463 ShowPropertyPage( p_XF );
469 /* Initialize some data */
470 p_sys->i_current_stream = 0;
472 if( !p_sys->i_streams ) return VLC_EGENERIC;
477 /*****************************************************************************
478 * DemuxOpen: open direct show device as an access_demux module
479 *****************************************************************************/
480 static int DemuxOpen( vlc_object_t *p_this )
482 demux_t *p_demux = (demux_t *)p_this;
486 p_sys = (access_sys_t *)malloc( sizeof( access_sys_t ) );
487 memset( p_sys, 0, sizeof( access_sys_t ) );
488 p_demux->p_sys = (demux_sys_t *)p_sys;
490 if( CommonOpen( p_this, p_sys, VLC_TRUE ) != VLC_SUCCESS )
492 CommonClose( p_this, p_sys );
496 /* Everything is ready. Let's rock baby */
497 msg_Dbg( p_this, "Playing...");
498 p_sys->p_control->Run();
500 p_demux->pf_demux = Demux;
501 p_demux->pf_control = DemuxControl;
502 p_demux->info.i_update = 0;
503 p_demux->info.i_title = 0;
504 p_demux->info.i_seekpoint = 0;
506 for( i = 0; i < p_sys->i_streams; i++ )
508 dshow_stream_t *p_stream = p_sys->pp_streams[i];
511 if( p_stream->mt.majortype == MEDIATYPE_Video )
513 es_format_Init( &fmt, VIDEO_ES, p_stream->i_fourcc );
515 fmt.video.i_width = p_stream->header.video.bmiHeader.biWidth;
516 fmt.video.i_height = p_stream->header.video.bmiHeader.biHeight;
517 fmt.video.i_aspect = 4 * VOUT_ASPECT_FACTOR / 3;
519 if( !p_stream->header.video.bmiHeader.biCompression )
521 /* RGB DIB are coded from bottom to top */
522 fmt.video.i_height = (unsigned int)(-(int)fmt.video.i_height);
525 /* Setup rgb mask for RGB formats */
526 if( p_stream->i_fourcc == VLC_FOURCC('R','V','2','4') )
528 /* This is in BGR format */
529 fmt.video.i_bmask = 0x00ff0000;
530 fmt.video.i_gmask = 0x0000ff00;
531 fmt.video.i_rmask = 0x000000ff;
534 if( p_stream->header.video.AvgTimePerFrame )
536 fmt.video.i_frame_rate = 10000000;
537 fmt.video.i_frame_rate_base =
538 p_stream->header.video.AvgTimePerFrame;
541 else if( p_stream->mt.majortype == MEDIATYPE_Audio )
543 es_format_Init( &fmt, AUDIO_ES, p_stream->i_fourcc );
545 fmt.audio.i_channels = p_stream->header.audio.nChannels;
546 fmt.audio.i_rate = p_stream->header.audio.nSamplesPerSec;
547 fmt.audio.i_bitspersample = p_stream->header.audio.wBitsPerSample;
548 fmt.audio.i_blockalign = fmt.audio.i_channels *
549 fmt.audio.i_bitspersample / 8;
550 fmt.i_bitrate = fmt.audio.i_channels * fmt.audio.i_rate *
551 fmt.audio.i_bitspersample;
554 p_stream->p_es = es_out_Add( p_demux->out, &fmt );
560 /*****************************************************************************
561 * AccessOpen: open direct show device as an access module
562 *****************************************************************************/
563 static int AccessOpen( vlc_object_t *p_this )
565 access_t *p_access = (access_t*)p_this;
568 p_access->p_sys = p_sys = (access_sys_t *)malloc( sizeof( access_sys_t ) );
569 memset( p_sys, 0, sizeof( access_sys_t ) );
571 if( CommonOpen( p_this, p_sys, VLC_FALSE ) != VLC_SUCCESS )
573 CommonClose( p_this, p_sys );
577 dshow_stream_t *p_stream = p_sys->pp_streams[0];
579 /* Check if we need to force demuxers */
580 if( !p_access->psz_demux || !*p_access->psz_demux )
582 if( p_stream->i_fourcc == VLC_FOURCC('d','v','s','l') ||
583 p_stream->i_fourcc == VLC_FOURCC('d','v','s','d') ||
584 p_stream->i_fourcc == VLC_FOURCC('d','v','h','d') )
586 p_access->psz_demux = strdup( "rawdv" );
588 else if( p_stream->i_fourcc == VLC_FOURCC('m','p','2','v') )
590 p_access->psz_demux = "mpgv";
595 p_access->pf_read = NULL;
596 p_access->pf_block = ReadCompressed;
597 p_access->pf_control = AccessControl;
598 p_access->pf_seek = NULL;
599 p_access->info.i_update = 0;
600 p_access->info.i_size = 0;
601 p_access->info.i_pos = 0;
602 p_access->info.b_eof = VLC_FALSE;
603 p_access->info.i_title = 0;
604 p_access->info.i_seekpoint = 0;
605 p_access->p_sys = p_sys;
607 /* Everything is ready. Let's rock baby */
608 msg_Dbg( p_this, "Playing...");
609 p_sys->p_control->Run();
614 /*****************************************************************************
615 * CommonClose: close device
616 *****************************************************************************/
617 static void CommonClose( vlc_object_t *p_this, access_sys_t *p_sys )
619 msg_Dbg( p_this, "Releasing DirectShow");
621 DeleteDirectShowGraph( p_sys );
623 /* Uninitialize OLE/COM */
626 for( int i = 0; i < p_sys->i_streams; i++ ) delete p_sys->pp_streams[i];
627 if( p_sys->i_streams ) free( p_sys->pp_streams );
629 vlc_mutex_destroy( &p_sys->lock );
630 vlc_cond_destroy( &p_sys->wait );
635 /*****************************************************************************
636 * AccessClose: close device
637 *****************************************************************************/
638 static void AccessClose( vlc_object_t *p_this )
640 access_t *p_access = (access_t *)p_this;
641 access_sys_t *p_sys = p_access->p_sys;
643 /* Stop capturing stuff */
644 p_sys->p_control->Stop();
646 CommonClose( p_this, p_sys );
649 /*****************************************************************************
650 * DemuxClose: close device
651 *****************************************************************************/
652 static void DemuxClose( vlc_object_t *p_this )
654 demux_t *p_demux = (demux_t *)p_this;
655 access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
657 /* Stop capturing stuff */
658 p_sys->p_control->Stop();
660 CommonClose( p_this, p_sys );
663 /****************************************************************************
665 ****************************************************************************/
666 static bool ConnectFilters( vlc_object_t *p_this, access_sys_t *p_sys,
667 IBaseFilter *p_filter,
668 CaptureFilter *p_capture_filter )
670 CapturePin *p_input_pin = p_capture_filter->CustomGetPin();
672 AM_MEDIA_TYPE mediaType = p_input_pin->CustomGetMediaType();
674 if( p_sys->p_capture_graph_builder2 )
676 if( FAILED(p_sys->p_capture_graph_builder2->
677 RenderStream( &PIN_CATEGORY_CAPTURE, &mediaType.majortype,
678 p_filter, 0, (IBaseFilter *)p_capture_filter )) )
683 // Sort out all the possible video inputs
684 // The class needs to be given the capture filters ANALOGVIDEO input pin
686 if( ( mediaType.majortype == MEDIATYPE_Video ||
687 mediaType.majortype == MEDIATYPE_Stream ) &&
688 SUCCEEDED(p_filter->EnumPins(&pins)) )
694 IKsPropertySet *pKs=0;
698 while( !Found && ( S_OK == pins->Next(1, &pP, &n) ) )
700 if( S_OK == pP->QueryPinInfo(&pinInfo) )
702 // is this pin an ANALOGVIDEOIN input pin?
703 if( pinInfo.dir == PINDIR_INPUT &&
704 pP->QueryInterface( IID_IKsPropertySet,
705 (void **)&pKs ) == S_OK )
707 if( pKs->Get( AMPROPSETID_Pin,
708 AMPROPERTY_PIN_CATEGORY, NULL, 0,
709 &guid, sizeof(GUID), &dw ) == S_OK )
711 if( guid == PIN_CATEGORY_ANALOGVIDEOIN )
713 // recursively search crossbar routes
714 FindCrossbarRoutes( p_this, p_sys, pP, 0 );
721 pinInfo.pFilter->Release();
731 IEnumPins *p_enumpins;
734 if( S_OK != p_filter->EnumPins( &p_enumpins ) ) return false;
736 while( S_OK == p_enumpins->Next( 1, &p_pin, NULL ) )
738 PIN_DIRECTION pin_dir;
739 p_pin->QueryDirection( &pin_dir );
741 if( pin_dir == PINDIR_OUTPUT &&
742 p_sys->p_graph->ConnectDirect( p_pin, (IPin *)p_input_pin,
746 p_enumpins->Release();
752 p_enumpins->Release();
758 * get fourcc priority from arbritary preference, the higher the better
760 static int GetFourCCPriority( int i_fourcc )
764 case VLC_FOURCC('I','4','2','0'):
765 case VLC_FOURCC('f','l','3','2'):
767 case VLC_FOURCC('Y','V','1','2'):
768 case VLC_FOURCC('a','r','a','w'):
770 case VLC_FOURCC('R','V','2','4'):
772 case VLC_FOURCC('Y','U','Y','2'):
773 case VLC_FOURCC('R','V','3','2'):
774 case VLC_FOURCC('R','G','B','A'):
781 #define MAX_MEDIA_TYPES 32
783 static int OpenDevice( vlc_object_t *p_this, access_sys_t *p_sys,
784 string devicename, vlc_bool_t b_audio )
786 /* See if device is already opened */
787 for( int i = 0; i < p_sys->i_streams; i++ )
789 if( devicename.size() &&
790 p_sys->pp_streams[i]->devicename == devicename )
797 list<string> list_devices;
799 /* Enumerate devices and display their names */
800 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
802 if( !list_devices.size() )
805 list<string>::iterator iter;
806 for( iter = list_devices.begin(); iter != list_devices.end(); iter++ )
807 msg_Dbg( p_this, "found device: %s", iter->c_str() );
809 /* If no device name was specified, pick the 1st one */
810 if( devicename.size() == 0 )
812 devicename = *list_devices.begin();
815 // Use the system device enumerator and class enumerator to find
816 // a capture/preview device, such as a desktop USB video camera.
817 IBaseFilter *p_device_filter =
818 FindCaptureDevice( p_this, &devicename, 0, b_audio );
819 if( p_device_filter )
820 msg_Dbg( p_this, "using device: %s", devicename.c_str() );
823 msg_Err( p_this, "can't use device: %s, unsupported device type",
824 devicename.c_str() );
828 // Retreive acceptable media types supported by device
829 AM_MEDIA_TYPE media_types[MAX_MEDIA_TYPES];
831 EnumDeviceCaps( p_this, p_device_filter, p_sys->i_chroma,
832 p_sys->i_width, p_sys->i_height,
833 0, 0, 0, media_types, MAX_MEDIA_TYPES );
835 /* Find out if the pin handles MEDIATYPE_Stream, in which case we
836 * won't add a prefered media type as this doesn't seem to work well
837 * -- to investigate. */
838 vlc_bool_t b_stream_type = VLC_FALSE;
839 for( size_t i = 0; i < media_count; i++ )
841 if( media_types[i].majortype == MEDIATYPE_Stream )
843 b_stream_type = VLC_TRUE;
849 AM_MEDIA_TYPE *mt = NULL;
851 if( !b_stream_type && !b_audio )
853 // Insert prefered video media type
857 mtr.majortype = MEDIATYPE_Video;
858 mtr.subtype = MEDIASUBTYPE_I420;
859 mtr.bFixedSizeSamples = TRUE;
860 mtr.bTemporalCompression = FALSE;
862 mtr.formattype = FORMAT_VideoInfo;
863 mtr.cbFormat = sizeof(vh);
864 mtr.pbFormat = (BYTE *)&vh;
866 memset(&vh, 0, sizeof(vh));
868 vh.bmiHeader.biSize = sizeof(vh.bmiHeader);
869 vh.bmiHeader.biWidth = p_sys->i_width > 0 ? p_sys->i_width : 320;
870 vh.bmiHeader.biHeight = p_sys->i_height > 0 ? p_sys->i_height : 240;
871 vh.bmiHeader.biPlanes = 3;
872 vh.bmiHeader.biBitCount = 12;
873 vh.bmiHeader.biCompression = VLC_FOURCC('I','4','2','0');
874 vh.bmiHeader.biSizeImage = vh.bmiHeader.biWidth * 12 *
875 vh.bmiHeader.biHeight / 8;
876 mtr.lSampleSize = vh.bmiHeader.biSizeImage;
879 mt = (AM_MEDIA_TYPE *)malloc( sizeof(AM_MEDIA_TYPE)*mt_count );
880 CopyMediaType(mt, &mtr);
882 else if( !b_stream_type )
884 // Insert prefered audio media type
888 mtr.majortype = MEDIATYPE_Audio;
889 mtr.subtype = MEDIASUBTYPE_PCM;
890 mtr.bFixedSizeSamples = TRUE;
891 mtr.bTemporalCompression = FALSE;
894 mtr.formattype = FORMAT_WaveFormatEx;
895 mtr.cbFormat = sizeof(wf);
896 mtr.pbFormat = (BYTE *)&wf;
898 memset(&wf, 0, sizeof(wf));
900 wf.wFormatTag = WAVE_FORMAT_PCM;
902 wf.nSamplesPerSec = 44100;
903 wf.wBitsPerSample = 16;
904 wf.nBlockAlign = wf.nSamplesPerSec * wf.wBitsPerSample / 8;
905 wf.nAvgBytesPerSec = wf.nSamplesPerSec * wf.nBlockAlign;
909 mt = (AM_MEDIA_TYPE *)malloc( sizeof(AM_MEDIA_TYPE)*mt_count );
910 CopyMediaType(mt, &mtr);
913 if( media_count > 0 )
915 mt = (AM_MEDIA_TYPE *)realloc( mt, sizeof(AM_MEDIA_TYPE) *
916 (mt_count + media_count) );
918 // Order and copy returned media types according to arbitrary
920 for( size_t c = 0; c < media_count; c++ )
923 GetFourCCPriority(GetFourCCFromMediaType(media_types[c]));
924 size_t slot_copy = c;
925 for( size_t d = c+1; d < media_count; d++ )
928 GetFourCCPriority(GetFourCCFromMediaType(media_types[d]));
929 if( priority > slot_priority )
931 slot_priority = priority;
937 mt[c+mt_count] = media_types[slot_copy];
938 media_types[slot_copy] = media_types[c];
942 mt[c+mt_count] = media_types[c];
945 mt_count += media_count;
948 /* Create and add our capture filter */
949 CaptureFilter *p_capture_filter =
950 new CaptureFilter( p_this, p_sys, mt, mt_count );
951 p_sys->p_graph->AddFilter( p_capture_filter, 0 );
953 /* Add the device filter to the graph (seems necessary with VfW before
954 * accessing pin attributes). */
955 p_sys->p_graph->AddFilter( p_device_filter, 0 );
957 /* Attempt to connect one of this device's capture output pins */
958 msg_Dbg( p_this, "connecting filters" );
959 if( ConnectFilters( p_this, p_sys, p_device_filter, p_capture_filter ) )
962 msg_Dbg( p_this, "filters connected successfully !" );
964 dshow_stream_t dshow_stream;
965 dshow_stream.b_pts = VLC_FALSE;
966 dshow_stream.p_es = 0;
968 p_capture_filter->CustomGetPin()->CustomGetMediaType();
970 /* Show Device properties. Done here so the VLC stream is setup with
971 * the proper parameters. */
973 var_Get( p_this, "dshow-config", &val );
976 ShowDeviceProperties( p_this, p_sys->p_capture_graph_builder2,
977 p_device_filter, b_audio );
980 ConfigTuner( p_this, p_sys->p_capture_graph_builder2,
983 var_Get( p_this, "dshow-tuner", &val );
984 if( val.b_bool && dshow_stream.mt.majortype != MEDIATYPE_Stream )
986 /* FIXME: we do MEDIATYPE_Stream later so we don't do it twice. */
987 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
988 p_device_filter, b_audio );
992 p_capture_filter->CustomGetPin()->CustomGetMediaType();
994 dshow_stream.i_fourcc = GetFourCCFromMediaType( dshow_stream.mt );
995 if( dshow_stream.i_fourcc )
997 if( dshow_stream.mt.majortype == MEDIATYPE_Video )
999 dshow_stream.header.video =
1000 *(VIDEOINFOHEADER *)dshow_stream.mt.pbFormat;
1001 msg_Dbg( p_this, "MEDIATYPE_Video" );
1002 msg_Dbg( p_this, "selected video pin accepts format: %4.4s",
1003 (char *)&dshow_stream.i_fourcc);
1005 else if( dshow_stream.mt.majortype == MEDIATYPE_Audio )
1007 dshow_stream.header.audio =
1008 *(WAVEFORMATEX *)dshow_stream.mt.pbFormat;
1009 msg_Dbg( p_this, "MEDIATYPE_Audio" );
1010 msg_Dbg( p_this, "selected audio pin accepts format: %4.4s",
1011 (char *)&dshow_stream.i_fourcc);
1013 else if( dshow_stream.mt.majortype == MEDIATYPE_Stream )
1015 msg_Dbg( p_this, "MEDIATYPE_Stream" );
1016 msg_Dbg( p_this, "selected stream pin accepts format: %4.4s",
1017 (char *)&dshow_stream.i_fourcc);
1021 msg_Dbg( p_this, "unknown stream majortype" );
1025 /* Add directshow elementary stream to our list */
1026 dshow_stream.p_device_filter = p_device_filter;
1027 dshow_stream.p_capture_filter = p_capture_filter;
1029 p_sys->pp_streams = (dshow_stream_t **)realloc( p_sys->pp_streams,
1030 sizeof(dshow_stream_t *) * (p_sys->i_streams + 1) );
1031 p_sys->pp_streams[p_sys->i_streams] = new dshow_stream_t;
1032 *p_sys->pp_streams[p_sys->i_streams++] = dshow_stream;
1039 /* Remove filters from graph */
1040 p_sys->p_graph->RemoveFilter( p_device_filter );
1041 p_sys->p_graph->RemoveFilter( p_capture_filter );
1043 /* Release objects */
1044 p_device_filter->Release();
1045 p_capture_filter->Release();
1047 return VLC_EGENERIC;
1050 static IBaseFilter *
1051 FindCaptureDevice( vlc_object_t *p_this, string *p_devicename,
1052 list<string> *p_listdevices, vlc_bool_t b_audio )
1054 IBaseFilter *p_base_filter = NULL;
1055 IMoniker *p_moniker = NULL;
1059 /* Create the system device enumerator */
1060 ICreateDevEnum *p_dev_enum = NULL;
1062 hr = CoCreateInstance( CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
1063 IID_ICreateDevEnum, (void **)&p_dev_enum );
1066 msg_Err( p_this, "failed to create the device enumerator (0x%lx)", hr);
1070 /* Create an enumerator for the video capture devices */
1071 IEnumMoniker *p_class_enum = NULL;
1073 hr = p_dev_enum->CreateClassEnumerator( CLSID_VideoInputDeviceCategory,
1076 hr = p_dev_enum->CreateClassEnumerator( CLSID_AudioInputDeviceCategory,
1078 p_dev_enum->Release();
1081 msg_Err( p_this, "failed to create the class enumerator (0x%lx)", hr );
1085 /* If there are no enumerators for the requested type, then
1086 * CreateClassEnumerator will succeed, but p_class_enum will be NULL */
1087 if( p_class_enum == NULL )
1089 msg_Err( p_this, "no capture device was detected" );
1093 /* Enumerate the devices */
1095 /* Note that if the Next() call succeeds but there are no monikers,
1096 * it will return S_FALSE (which is not a failure). Therefore, we check
1097 * that the return code is S_OK instead of using SUCCEEDED() macro. */
1099 while( p_class_enum->Next( 1, &p_moniker, &i_fetched ) == S_OK )
1101 /* Getting the property page to get the device name */
1102 IPropertyBag *p_bag;
1103 hr = p_moniker->BindToStorage( 0, 0, IID_IPropertyBag,
1109 hr = p_bag->Read( L"FriendlyName", &var, NULL );
1113 int i_convert = WideCharToMultiByte(CP_ACP, 0, var.bstrVal,
1114 SysStringLen(var.bstrVal), NULL, 0, NULL, NULL);
1115 char *p_buf = (char *)alloca( i_convert ); p_buf[0] = 0;
1116 WideCharToMultiByte( CP_ACP, 0, var.bstrVal,
1117 SysStringLen(var.bstrVal), p_buf, i_convert, NULL, NULL );
1118 SysFreeString(var.bstrVal);
1120 if( p_listdevices ) p_listdevices->push_back( p_buf );
1122 if( p_devicename && *p_devicename == string(p_buf) )
1124 /* Bind Moniker to a filter object */
1125 hr = p_moniker->BindToObject( 0, 0, IID_IBaseFilter,
1126 (void **)&p_base_filter );
1129 msg_Err( p_this, "couldn't bind moniker to filter "
1130 "object (0x%lx)", hr );
1131 p_moniker->Release();
1132 p_class_enum->Release();
1135 p_moniker->Release();
1136 p_class_enum->Release();
1137 return p_base_filter;
1142 p_moniker->Release();
1145 p_class_enum->Release();
1149 static size_t EnumDeviceCaps( vlc_object_t *p_this, IBaseFilter *p_filter,
1150 int i_fourcc, int i_width, int i_height,
1151 int i_channels, int i_samplespersec,
1152 int i_bitspersample, AM_MEDIA_TYPE *mt,
1155 IEnumPins *p_enumpins;
1157 IEnumMediaTypes *p_enummt;
1158 size_t mt_count = 0;
1160 LONGLONG i_AvgTimePerFrame = 0;
1161 float r_fps = var_GetFloat( p_this, "dshow-fps" );
1163 i_AvgTimePerFrame = 10000000000LL/(LONGLONG)(r_fps*1000.0f);
1165 if( FAILED(p_filter->EnumPins( &p_enumpins )) )
1167 msg_Dbg( p_this, "EnumDeviceCaps failed: no pin enumeration !");
1171 while( S_OK == p_enumpins->Next( 1, &p_output_pin, NULL ) )
1175 if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1177 msg_Dbg( p_this, "EnumDeviceCaps: %s pin: %S",
1178 info.dir == PINDIR_INPUT ? "input" : "output",
1180 if( info.pFilter ) info.pFilter->Release();
1183 p_output_pin->Release();
1186 p_enumpins->Reset();
1188 while( !mt_count && p_enumpins->Next( 1, &p_output_pin, NULL ) == S_OK )
1192 if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1194 if( info.pFilter ) info.pFilter->Release();
1195 if( info.dir == PINDIR_INPUT )
1197 p_output_pin->Release();
1200 msg_Dbg( p_this, "EnumDeviceCaps: trying pin %S", info.achName );
1203 AM_MEDIA_TYPE *p_mt;
1206 ** Configure pin with a default compatible media if possible
1209 IAMStreamConfig *pSC;
1210 if( SUCCEEDED(p_output_pin->QueryInterface( IID_IAMStreamConfig,
1213 int piCount, piSize;
1214 if( SUCCEEDED(pSC->GetNumberOfCapabilities(&piCount, &piSize)) )
1216 BYTE *pSCC= (BYTE *)CoTaskMemAlloc(piSize);
1219 for( int i=0; i<piCount; ++i )
1221 if( SUCCEEDED(pSC->GetStreamCaps(i, &p_mt, pSCC)) )
1223 int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1225 if( !i_current_fourcc || (i_fourcc && (i_current_fourcc != i_fourcc)) )
1227 // incompatible or unrecognized 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 msg_Dbg( p_this, "EnumDeviceCaps: input pin video format configured");
1294 // no need to check any more media types
1297 else FreeMediaType( *p_mt );
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);
1307 if( i_channels % pASCC->ChannelsGranularity
1308 || (unsigned int)i_channels < pASCC->MinimumChannels
1309 || (unsigned int)i_channels > pASCC->MaximumChannels )
1311 // required channels not compatible, try next media type
1312 FreeMediaType( *p_mt );
1313 CoTaskMemFree( (PVOID)p_mt );
1316 pWfx->nChannels = i_channels;
1319 if( i_samplespersec )
1321 if( i_samplespersec % pASCC->BitsPerSampleGranularity
1322 || (unsigned int)i_samplespersec < pASCC->MinimumSampleFrequency
1323 || (unsigned int)i_samplespersec > pASCC->MaximumSampleFrequency )
1325 // required sampling rate not compatible, try next media type
1326 FreeMediaType( *p_mt );
1327 CoTaskMemFree( (PVOID)p_mt );
1330 pWfx->nSamplesPerSec = i_samplespersec;
1333 if( i_bitspersample )
1335 if( i_bitspersample % pASCC->BitsPerSampleGranularity
1336 || (unsigned int)i_bitspersample < pASCC->MinimumBitsPerSample
1337 || (unsigned int)i_bitspersample > pASCC->MaximumBitsPerSample )
1339 // required sample size not compatible, try next media type
1340 FreeMediaType( *p_mt );
1341 CoTaskMemFree( (PVOID)p_mt );
1344 pWfx->wBitsPerSample = i_bitspersample;
1347 // select this format as default
1348 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1350 msg_Dbg( p_this, "EnumDeviceCaps: input pin default format configured");
1351 // no need to check any more media types
1355 FreeMediaType( *p_mt );
1356 CoTaskMemFree( (PVOID)p_mt );
1359 CoTaskMemFree( (LPVOID)pSCC );
1366 ** Probe pin for available medias (may be a previously configured one)
1369 if( FAILED( p_output_pin->EnumMediaTypes( &p_enummt ) ) )
1371 p_output_pin->Release();
1376 while( p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1378 int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1379 if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Video
1380 && p_mt->formattype == FORMAT_VideoInfo )
1382 int i_current_width = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1383 int i_current_height = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1384 LONGLONG i_current_atpf = ((VIDEOINFOHEADER *)p_mt->pbFormat)->AvgTimePerFrame;
1386 if( i_current_height < 0 )
1387 i_current_height = -i_current_height;
1389 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1390 "accepts chroma: %4.4s, width:%i, height:%i, fps:%f",
1391 (char *)&i_current_fourcc, i_current_width,
1392 i_current_height, (10000000.0f/((float)i_current_atpf)) );
1394 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1395 ( !i_width || i_width == i_current_width ) &&
1396 ( !i_height || i_height == i_current_height ) &&
1397 ( !i_AvgTimePerFrame || i_AvgTimePerFrame == i_current_atpf ) &&
1401 mt[mt_count++] = *p_mt;
1403 else FreeMediaType( *p_mt );
1405 else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Audio
1406 && p_mt->formattype == FORMAT_WaveFormatEx)
1408 int i_current_channels =
1409 ((WAVEFORMATEX *)p_mt->pbFormat)->nChannels;
1410 int i_current_samplespersec =
1411 ((WAVEFORMATEX *)p_mt->pbFormat)->nSamplesPerSec;
1412 int i_current_bitspersample =
1413 ((WAVEFORMATEX *)p_mt->pbFormat)->wBitsPerSample;
1415 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1416 "accepts format: %4.4s, channels:%i, "
1417 "samples/sec:%i bits/sample:%i",
1418 (char *)&i_current_fourcc, i_current_channels,
1419 i_current_samplespersec, i_current_bitspersample);
1421 if( (!i_channels || i_channels == i_current_channels) &&
1422 (!i_samplespersec ||
1423 i_samplespersec == i_current_samplespersec) &&
1424 (!i_bitspersample ||
1425 i_bitspersample == i_current_bitspersample) &&
1429 mt[mt_count++] = *p_mt;
1431 /* Setup a few properties like the audio latency */
1432 IAMBufferNegotiation *p_ambuf;
1433 if( SUCCEEDED( p_output_pin->QueryInterface(
1434 IID_IAMBufferNegotiation, (void **)&p_ambuf ) ) )
1436 ALLOCATOR_PROPERTIES AllocProp;
1437 AllocProp.cbAlign = -1;
1439 /* 100 ms of latency */
1440 AllocProp.cbBuffer = i_current_channels *
1441 i_current_samplespersec *
1442 i_current_bitspersample / 8 / 10;
1444 AllocProp.cbPrefix = -1;
1445 AllocProp.cBuffers = -1;
1446 p_ambuf->SuggestAllocatorProperties( &AllocProp );
1450 else FreeMediaType( *p_mt );
1452 else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Stream )
1454 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1455 "accepts stream format: %4.4s",
1456 (char *)&i_current_fourcc );
1458 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1462 mt[mt_count++] = *p_mt;
1463 i_fourcc = i_current_fourcc;
1465 else FreeMediaType( *p_mt );
1469 char *psz_type = "unknown";
1470 if( p_mt->majortype == MEDIATYPE_Video ) psz_type = "video";
1471 if( p_mt->majortype == MEDIATYPE_Audio ) psz_type = "audio";
1472 if( p_mt->majortype == MEDIATYPE_Stream ) psz_type = "stream";
1473 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: unknown format "
1474 "(%s %4.4s)", psz_type, (char *)&p_mt->subtype );
1475 FreeMediaType( *p_mt );
1477 CoTaskMemFree( (PVOID)p_mt );
1480 p_enummt->Release();
1481 p_output_pin->Release();
1484 p_enumpins->Release();
1488 /*****************************************************************************
1489 * ReadCompressed: reads compressed (MPEG/DV) data from the device.
1490 *****************************************************************************
1491 * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
1493 *****************************************************************************/
1494 static block_t *ReadCompressed( access_t *p_access )
1496 access_sys_t *p_sys = p_access->p_sys;
1497 dshow_stream_t *p_stream = NULL;
1498 VLCMediaSample sample;
1500 /* Read 1 DV/MPEG frame (they contain the video and audio data) */
1502 /* There must be only 1 elementary stream to produce a valid stream
1503 * of MPEG or DV data */
1504 p_stream = p_sys->pp_streams[0];
1508 if( p_access->b_die || p_access->b_error ) return 0;
1510 /* Get new sample/frame from the elementary stream (blocking). */
1511 vlc_mutex_lock( &p_sys->lock );
1513 if( p_stream->p_capture_filter->CustomGetPin()
1514 ->CustomGetSample( &sample ) != S_OK )
1516 /* No data available. Wait until some data has arrived */
1517 vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1518 vlc_mutex_unlock( &p_sys->lock );
1522 vlc_mutex_unlock( &p_sys->lock );
1529 int i_data_size = sample.p_sample->GetActualDataLength();
1531 if( !i_data_size || !(p_block = block_New( p_access, i_data_size )) )
1533 sample.p_sample->Release();
1537 sample.p_sample->GetPointer( &p_data );
1538 p_access->p_vlc->pf_memcpy( p_block->p_buffer, p_data, i_data_size );
1539 sample.p_sample->Release();
1541 /* The caller got what he wanted */
1545 return 0; /* never reached */
1548 /****************************************************************************
1550 ****************************************************************************/
1551 static int Demux( demux_t *p_demux )
1553 access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
1554 dshow_stream_t *p_stream = NULL;
1555 VLCMediaSample sample;
1556 int i_data_size, i_stream;
1560 vlc_mutex_lock( &p_sys->lock );
1562 /* Try to grab an audio sample (audio has a higher priority) */
1563 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1565 p_stream = p_sys->pp_streams[i_stream];
1566 if( p_stream->mt.majortype == MEDIATYPE_Audio &&
1567 p_stream->p_capture_filter &&
1568 p_stream->p_capture_filter->CustomGetPin()
1569 ->CustomGetSample( &sample ) == S_OK )
1574 /* Try to grab a video sample */
1575 if( i_stream == p_sys->i_streams )
1577 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1579 p_stream = p_sys->pp_streams[i_stream];
1580 if( p_stream->p_capture_filter &&
1581 p_stream->p_capture_filter->CustomGetPin()
1582 ->CustomGetSample( &sample ) == S_OK )
1589 vlc_mutex_unlock( &p_sys->lock );
1591 if( i_stream == p_sys->i_streams )
1593 /* Sleep so we do not consume all the cpu, 10ms seems
1594 * like a good value (100fps) */
1602 i_data_size = sample.p_sample->GetActualDataLength();
1603 sample.p_sample->GetPointer( &p_data );
1605 REFERENCE_TIME i_pts, i_end_date;
1606 HRESULT hr = sample.p_sample->GetTime( &i_pts, &i_end_date );
1607 if( hr != VFW_S_NO_STOP_TIME && hr != S_OK ) i_pts = 0;
1611 if( p_stream->mt.majortype == MEDIATYPE_Video || !p_stream->b_pts )
1613 /* Use our data timestamp */
1614 i_pts = sample.i_timestamp;
1615 p_stream->b_pts = VLC_TRUE;
1619 i_pts /= 10; /* Dshow works with 100 nano-seconds resolution */
1622 msg_Dbg( p_demux, "Read() stream: %i, size: %i, PTS: "I64Fd,
1623 i_stream, i_data_size, i_pts );
1626 p_block = block_New( p_demux, i_data_size );
1627 p_demux->p_vlc->pf_memcpy( p_block->p_buffer, p_data, i_data_size );
1628 p_block->i_pts = p_block->i_dts = i_pts;
1629 sample.p_sample->Release();
1631 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_pts > 0 ? i_pts : 0 );
1632 es_out_Send( p_demux->out, p_stream->p_es, p_block );
1637 /*****************************************************************************
1639 *****************************************************************************/
1640 static int AccessControl( access_t *p_access, int i_query, va_list args )
1642 vlc_bool_t *pb_bool;
1649 case ACCESS_CAN_SEEK:
1650 case ACCESS_CAN_FASTSEEK:
1651 case ACCESS_CAN_PAUSE:
1652 case ACCESS_CAN_CONTROL_PACE:
1653 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
1654 *pb_bool = VLC_FALSE;
1658 case ACCESS_GET_MTU:
1659 pi_int = (int*)va_arg( args, int * );
1663 case ACCESS_GET_PTS_DELAY:
1664 pi_64 = (int64_t*)va_arg( args, int64_t * );
1665 *pi_64 = (int64_t)var_GetInteger( p_access, "dshow-caching" ) * 1000;
1669 case ACCESS_SET_PAUSE_STATE:
1670 case ACCESS_GET_TITLE_INFO:
1671 case ACCESS_SET_TITLE:
1672 case ACCESS_SET_SEEKPOINT:
1673 case ACCESS_SET_PRIVATE_ID_STATE:
1674 return VLC_EGENERIC;
1677 msg_Warn( p_access, "unimplemented query in control" );
1678 return VLC_EGENERIC;
1684 /****************************************************************************
1686 ****************************************************************************/
1687 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
1694 /* Special for access_demux */
1695 case DEMUX_CAN_PAUSE:
1696 case DEMUX_SET_PAUSE_STATE:
1697 case DEMUX_CAN_CONTROL_PACE:
1698 pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
1702 case DEMUX_GET_PTS_DELAY:
1703 pi64 = (int64_t*)va_arg( args, int64_t * );
1704 *pi64 = (int64_t)var_GetInteger( p_demux, "dshow-caching" ) * 1000;
1707 case DEMUX_GET_TIME:
1708 pi64 = (int64_t*)va_arg( args, int64_t * );
1712 /* TODO implement others */
1714 return VLC_EGENERIC;
1717 return VLC_EGENERIC;
1720 /*****************************************************************************
1721 * config variable callback
1722 *****************************************************************************/
1723 static int FindDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1724 vlc_value_t newval, vlc_value_t oldval, void * )
1726 module_config_t *p_item;
1727 vlc_bool_t b_audio = VLC_FALSE;
1730 p_item = config_FindConfig( p_this, psz_name );
1731 if( !p_item ) return VLC_SUCCESS;
1733 if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = VLC_TRUE;
1735 /* Clear-up the current list */
1736 if( p_item->i_list )
1738 /* Keep the 2 first entries */
1739 for( i = 2; i < p_item->i_list; i++ )
1741 free( p_item->ppsz_list[i] );
1742 free( p_item->ppsz_list_text[i] );
1744 /* TODO: Remove when no more needed */
1745 p_item->ppsz_list[i] = NULL;
1746 p_item->ppsz_list_text[i] = NULL;
1750 /* Find list of devices */
1751 list<string> list_devices;
1753 /* Initialize OLE/COM */
1756 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1758 /* Uninitialize OLE/COM */
1761 if( !list_devices.size() ) return VLC_SUCCESS;
1764 (char **)realloc( p_item->ppsz_list,
1765 (list_devices.size()+3) * sizeof(char *) );
1766 p_item->ppsz_list_text =
1767 (char **)realloc( p_item->ppsz_list_text,
1768 (list_devices.size()+3) * sizeof(char *) );
1770 list<string>::iterator iter;
1771 for( iter = list_devices.begin(), i = 2; iter != list_devices.end();
1774 p_item->ppsz_list[i] = strdup( iter->c_str() );
1775 p_item->ppsz_list_text[i] = NULL;
1778 p_item->ppsz_list[i] = NULL;
1779 p_item->ppsz_list_text[i] = NULL;
1781 /* Signal change to the interface */
1782 p_item->b_dirty = VLC_TRUE;
1787 static int ConfigDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1788 vlc_value_t newval, vlc_value_t oldval, void * )
1790 module_config_t *p_item;
1791 vlc_bool_t b_audio = VLC_FALSE;
1793 /* Initialize OLE/COM */
1796 p_item = config_FindConfig( p_this, psz_name );
1797 if( !p_item ) return VLC_SUCCESS;
1799 if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = VLC_TRUE;
1803 if( newval.psz_string && *newval.psz_string )
1805 devicename = newval.psz_string;
1809 /* If no device name was specified, pick the 1st one */
1810 list<string> list_devices;
1812 /* Enumerate devices */
1813 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1814 if( !list_devices.size() ) return VLC_EGENERIC;
1815 devicename = *list_devices.begin();
1818 IBaseFilter *p_device_filter =
1819 FindCaptureDevice( p_this, &devicename, NULL, b_audio );
1820 if( p_device_filter )
1822 ShowPropertyPage( p_device_filter );
1826 /* Uninitialize OLE/COM */
1829 msg_Err( p_this, "didn't find device: %s", devicename.c_str() );
1830 return VLC_EGENERIC;
1833 /* Uninitialize OLE/COM */
1839 /*****************************************************************************
1841 *****************************************************************************/
1842 static void ShowPropertyPage( IUnknown *obj )
1844 ISpecifyPropertyPages *p_spec;
1847 HRESULT hr = obj->QueryInterface( IID_ISpecifyPropertyPages,
1849 if( FAILED(hr) ) return;
1851 if( SUCCEEDED(p_spec->GetPages( &cauuid )) )
1853 if( cauuid.cElems > 0 )
1855 HWND hwnd_desktop = ::GetDesktopWindow();
1857 OleCreatePropertyFrame( hwnd_desktop, 30, 30, NULL, 1, &obj,
1858 cauuid.cElems, cauuid.pElems, 0, 0, NULL );
1860 CoTaskMemFree( cauuid.pElems );
1866 static void ShowDeviceProperties( vlc_object_t *p_this,
1867 ICaptureGraphBuilder2 *p_graph,
1868 IBaseFilter *p_device_filter,
1869 vlc_bool_t b_audio )
1872 msg_Dbg( p_this, "Configuring Device Properties" );
1875 * Video or audio capture filter page
1877 ShowPropertyPage( p_device_filter );
1882 if( p_graph && b_audio )
1884 IAMStreamConfig *p_SC;
1886 msg_Dbg( p_this, "Showing WDM Audio Configuration Pages" );
1888 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1889 &MEDIATYPE_Audio, p_device_filter,
1890 IID_IAMStreamConfig, (void **)&p_SC );
1893 ShowPropertyPage(p_SC);
1901 HRESULT hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1902 &MEDIATYPE_Audio, p_device_filter,
1903 IID_IAMTVAudio, (void **)&p_TVA );
1906 ShowPropertyPage(p_TVA);
1914 if( p_graph && !b_audio )
1916 IAMStreamConfig *p_SC;
1918 msg_Dbg( p_this, "Showing WDM Video Configuration Pages" );
1920 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1921 &MEDIATYPE_Interleaved, p_device_filter,
1922 IID_IAMStreamConfig, (void **)&p_SC );
1925 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1926 &MEDIATYPE_Video, p_device_filter,
1927 IID_IAMStreamConfig, (void **)&p_SC );
1932 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1933 &MEDIATYPE_Stream, p_device_filter,
1934 IID_IAMStreamConfig, (void **)&p_SC );
1939 ShowPropertyPage(p_SC);
1945 static void ShowTunerProperties( vlc_object_t *p_this,
1946 ICaptureGraphBuilder2 *p_graph,
1947 IBaseFilter *p_device_filter,
1948 vlc_bool_t b_audio )
1951 msg_Dbg( p_this, "Configuring Tuner Properties" );
1953 if( !p_graph || b_audio ) return;
1956 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1957 &MEDIATYPE_Interleaved, p_device_filter,
1958 IID_IAMTVTuner, (void **)&p_TV );
1961 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1962 &MEDIATYPE_Video, p_device_filter,
1963 IID_IAMTVTuner, (void **)&p_TV );
1968 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1969 &MEDIATYPE_Stream, p_device_filter,
1970 IID_IAMTVTuner, (void **)&p_TV );
1975 ShowPropertyPage(p_TV);
1980 static void ConfigTuner( vlc_object_t *p_this, ICaptureGraphBuilder2 *p_graph,
1981 IBaseFilter *p_device_filter )
1983 int i_channel, i_country, i_input;
1988 if( !p_graph ) return;
1990 i_channel = var_GetInteger( p_this, "dshow-tuner-channel" );
1991 i_country = var_GetInteger( p_this, "dshow-tuner-country" );
1992 i_input = var_GetInteger( p_this, "dshow-tuner-input" );
1994 if( !i_channel && !i_country && !i_input ) return; /* Nothing to do */
1996 msg_Dbg( p_this, "tuner config: channel %i, country %i, input type %i",
1997 i_channel, i_country, i_input );
1999 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Interleaved,
2000 p_device_filter, IID_IAMTVTuner,
2004 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video,
2005 p_device_filter, IID_IAMTVTuner,
2011 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Stream,
2012 p_device_filter, IID_IAMTVTuner,
2018 msg_Dbg( p_this, "couldn't find tuner interface" );
2022 hr = p_TV->GetAvailableModes( &l_modes );
2023 if( SUCCEEDED(hr) && (l_modes & AMTUNER_MODE_TV) )
2025 hr = p_TV->put_Mode( AMTUNER_MODE_TV );
2028 if( i_input == 1 ) p_TV->put_InputType( 0, TunerInputCable );
2029 else if( i_input == 2 ) p_TV->put_InputType( 0, TunerInputAntenna );
2031 p_TV->put_CountryCode( i_country );
2032 p_TV->put_Channel( i_channel, AMTUNER_SUBCHAN_NO_TUNE,
2033 AMTUNER_SUBCHAN_NO_TUNE );