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")};
80 #define CACHING_TEXT N_("Caching value in ms")
81 #define CACHING_LONGTEXT N_( \
82 "Caching value for DirectShow streams. " \
83 "This value should be set in millisecondss." )
84 #define VDEV_TEXT N_("Video device name")
85 #define VDEV_LONGTEXT N_( \
86 "Name of the video device that will be used by the " \
87 "DirectShow plugin. If you don't specify anything, the default device " \
89 #define ADEV_TEXT N_("Audio device name")
90 #define ADEV_LONGTEXT N_( \
91 "Name of the audio device that will be used by the " \
92 "DirectShow plugin. If you don't specify anything, the default device " \
93 "will be used. You can specify a standard size (cif, d1, ...) or <width>x<height>")
94 #define SIZE_TEXT N_("Video size")
95 #define SIZE_LONGTEXT N_( \
96 "Size of the video that will be displayed by the " \
97 "DirectShow plugin. If you don't specify anything the default size for " \
98 "your device will be used.")
99 #define CHROMA_TEXT N_("Video input chroma format")
100 #define CHROMA_LONGTEXT N_( \
101 "Force the DirectShow video input to use a specific chroma format " \
102 "(eg. I420 (default), RV24, etc.)")
103 #define FPS_TEXT N_("Video input frame rate")
104 #define FPS_LONGTEXT N_( \
105 "Force the DirectShow video input to use a specific frame rate" \
106 "(eg. 0 means default, 25, 29.97, 50, 59.94, etc.)")
107 #define CONFIG_TEXT N_("Device properties")
108 #define CONFIG_LONGTEXT N_( \
109 "Show the properties dialog of the selected device before starting the " \
111 #define TUNER_TEXT N_("Tuner properties")
112 #define TUNER_LONGTEXT N_( \
113 "Show the tuner properties [channel selection] page." )
114 #define CHANNEL_TEXT N_("Tuner TV Channel")
115 #define CHANNEL_LONGTEXT N_( \
116 "Set the TV channel the tuner will set to " \
117 "(0 means default)." )
118 #define COUNTRY_TEXT N_("Tuner country code")
119 #define COUNTRY_LONGTEXT N_( \
120 "Set the tuner country code that establishes the current " \
121 "channel-to-frequency mapping (0 means default)." )
122 #define TUNER_INPUT_TEXT N_("Tuner input type")
123 #define TUNER_INPUT_LONGTEXT N_( \
124 "Select the tuner input type (Cable/Antenna)." )
125 #define VIDEO_IN_TEXT N_("Video input pin")
126 #define VIDEO_IN_LONGTEXT N_( \
127 "Select the video input source, such as composite, s-video, " \
128 "or tuner. Since these settings are hardware-specfic, you should find good " \
129 "settings in the \"Device config\" area, and use those numbers here. -1 " \
130 "means that settings will not be changed.")
131 #define AUDIO_IN_TEXT N_("Audio input pin")
132 #define AUDIO_IN_LONGTEXT N_( \
133 "Select the audio input source. See the \"video input\" option." )
134 #define VIDEO_OUT_TEXT N_("Video output pin")
135 #define VIDEO_OUT_LONGTEXT N_( \
136 "Select the video output type. See the \"video input\" option." )
137 #define AUDIO_OUT_TEXT N_("Audio output pin")
138 #define AUDIO_OUT_LONGTEXT N_( \
139 "Select the audio output type. See the \"video input\" option." )
141 static int CommonOpen ( vlc_object_t *, access_sys_t *, vlc_bool_t );
142 static void CommonClose( vlc_object_t *, access_sys_t * );
144 static int AccessOpen ( vlc_object_t * );
145 static void AccessClose( vlc_object_t * );
147 static int DemuxOpen ( vlc_object_t * );
148 static void DemuxClose ( vlc_object_t * );
151 set_shortname( _("DirectShow") );
152 set_description( _("DirectShow input") );
153 set_category( CAT_INPUT );
154 set_subcategory( SUBCAT_INPUT_ACCESS );
155 add_integer( "dshow-caching", (mtime_t)(0.2*CLOCK_FREQ) / 1000, NULL,
156 CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
158 add_string( "dshow-vdev", NULL, NULL, VDEV_TEXT, VDEV_LONGTEXT, VLC_FALSE);
159 change_string_list( ppsz_vdev, ppsz_vdev_text, FindDevicesCallback );
160 change_action_add( FindDevicesCallback, N_("Refresh list") );
161 change_action_add( ConfigDevicesCallback, N_("Configure") );
163 add_string( "dshow-adev", NULL, NULL, ADEV_TEXT, ADEV_LONGTEXT, VLC_FALSE);
164 change_string_list( ppsz_adev, ppsz_adev_text, FindDevicesCallback );
165 change_action_add( FindDevicesCallback, N_("Refresh list") );
166 change_action_add( ConfigDevicesCallback, N_("Configure") );
168 add_string( "dshow-size", NULL, NULL, SIZE_TEXT, SIZE_LONGTEXT, VLC_FALSE);
170 add_string( "dshow-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT,
173 add_float( "dshow-fps", 0.0f, NULL, FPS_TEXT, FPS_LONGTEXT,
176 add_bool( "dshow-config", VLC_FALSE, NULL, CONFIG_TEXT, CONFIG_LONGTEXT,
179 add_bool( "dshow-tuner", VLC_FALSE, NULL, TUNER_TEXT, TUNER_LONGTEXT,
182 add_integer( "dshow-tuner-channel", 0, NULL, CHANNEL_TEXT,
183 CHANNEL_LONGTEXT, VLC_TRUE );
185 add_integer( "dshow-tuner-country", 0, NULL, COUNTRY_TEXT,
186 COUNTRY_LONGTEXT, VLC_TRUE );
188 add_integer( "dshow-tuner-input", 0, NULL, TUNER_INPUT_TEXT,
189 TUNER_INPUT_LONGTEXT, VLC_TRUE );
190 change_integer_list( pi_tuner_input, ppsz_tuner_input_text, 0 );
192 add_integer( "dshow-video-input", -1, NULL, VIDEO_IN_TEXT,
193 VIDEO_IN_LONGTEXT, VLC_TRUE );
195 add_integer( "dshow-audio-input", -1, NULL, AUDIO_IN_TEXT,
196 AUDIO_IN_LONGTEXT, VLC_TRUE );
198 add_integer( "dshow-video-output", -1, NULL, VIDEO_OUT_TEXT,
199 VIDEO_OUT_LONGTEXT, VLC_TRUE );
201 add_integer( "dshow-audio-output", -1, NULL, AUDIO_OUT_TEXT,
202 AUDIO_OUT_LONGTEXT, VLC_TRUE );
204 add_shortcut( "dshow" );
205 set_capability( "access_demux", 0 );
206 set_callbacks( DemuxOpen, DemuxClose );
209 set_description( _("DirectShow input") );
210 add_shortcut( "dshow" );
211 set_capability( "access2", 0 );
212 set_callbacks( AccessOpen, AccessClose );
216 /*****************************************************************************
217 * DirectShow elementary stream descriptor
218 *****************************************************************************/
219 typedef struct dshow_stream_t
222 IBaseFilter *p_device_filter;
223 CaptureFilter *p_capture_filter;
228 VIDEOINFOHEADER video;
239 /*****************************************************************************
240 * DirectShow utility functions
241 *****************************************************************************/
242 static void CreateDirectShowGraph( access_sys_t *p_sys )
244 p_sys->i_crossbar_route_depth = 0;
246 /* Create directshow filter graph */
247 if( SUCCEEDED( CoCreateInstance( CLSID_FilterGraph, 0, CLSCTX_INPROC,
248 (REFIID)IID_IFilterGraph, (void **)&p_sys->p_graph) ) )
250 /* Create directshow capture graph builder if available */
251 if( SUCCEEDED( CoCreateInstance( CLSID_CaptureGraphBuilder2, 0,
252 CLSCTX_INPROC, (REFIID)IID_ICaptureGraphBuilder2,
253 (void **)&p_sys->p_capture_graph_builder2 ) ) )
255 p_sys->p_capture_graph_builder2->
256 SetFiltergraph((IGraphBuilder *)p_sys->p_graph);
259 p_sys->p_graph->QueryInterface( IID_IMediaControl,
260 (void **)&p_sys->p_control );
264 static void DeleteDirectShowGraph( access_sys_t *p_sys )
266 DeleteCrossbarRoutes( p_sys );
268 /* Remove filters from graph */
269 for( int i = 0; i < p_sys->i_streams; i++ )
271 p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_capture_filter );
272 p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_device_filter );
273 p_sys->pp_streams[i]->p_capture_filter->Release();
274 p_sys->pp_streams[i]->p_device_filter->Release();
277 /* Release directshow objects */
278 if( p_sys->p_control )
280 p_sys->p_control->Release();
281 p_sys->p_control = NULL;
283 if( p_sys->p_capture_graph_builder2 )
285 p_sys->p_capture_graph_builder2->Release();
286 p_sys->p_capture_graph_builder2 = NULL;
291 p_sys->p_graph->Release();
292 p_sys->p_graph = NULL;
296 /*****************************************************************************
297 * CommonOpen: open direct show device
298 *****************************************************************************/
299 static int CommonOpen( vlc_object_t *p_this, access_sys_t *p_sys,
300 vlc_bool_t b_access_demux )
305 /* Get/parse options and open device(s) */
306 string vdevname, adevname;
307 int i_width = 0, i_height = 0, i_chroma = 0;
308 vlc_bool_t b_audio = VLC_TRUE;
310 var_Create( p_this, "dshow-config", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
311 var_Create( p_this, "dshow-tuner", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
312 var_Create( p_this, "dshow-vdev", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
313 var_Get( p_this, "dshow-vdev", &val );
314 if( val.psz_string ) vdevname = string( val.psz_string );
315 if( val.psz_string ) free( val.psz_string );
317 var_Create( p_this, "dshow-adev", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
318 var_Get( p_this, "dshow-adev", &val );
319 if( val.psz_string ) adevname = string( val.psz_string );
320 if( val.psz_string ) free( val.psz_string );
322 static struct {char *psz_size; int i_width; int i_height;} size_table[] =
323 { { "subqcif", 128, 96 }, { "qsif", 160, 120 }, { "qcif", 176, 144 },
324 { "sif", 320, 240 }, { "cif", 352, 288 }, { "d1", 640, 480 },
328 var_Create( p_this, "dshow-size", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
329 var_Get( p_this, "dshow-size", &val );
330 if( val.psz_string && *val.psz_string )
332 for( i = 0; size_table[i].psz_size; i++ )
334 if( !strcmp( val.psz_string, size_table[i].psz_size ) )
336 i_width = size_table[i].i_width;
337 i_height = size_table[i].i_height;
341 if( !size_table[i].psz_size ) /* Try to parse "WidthxHeight" */
344 i_width = strtol( val.psz_string, &psz_parser, 0 );
345 if( *psz_parser == 'x' || *psz_parser == 'X')
347 i_height = strtol( psz_parser + 1, &psz_parser, 0 );
349 msg_Dbg( p_this, "width x height %dx%d", i_width, i_height );
352 if( val.psz_string ) free( val.psz_string );
354 p_sys->b_chroma = VLC_FALSE;
355 var_Create( p_this, "dshow-chroma", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
356 var_Get( p_this, "dshow-chroma", &val );
357 if( val.psz_string && strlen( val.psz_string ) >= 4 )
359 i_chroma = VLC_FOURCC( val.psz_string[0], val.psz_string[1],
360 val.psz_string[2], val.psz_string[3] );
361 p_sys->b_chroma = VLC_TRUE;
363 if( val.psz_string ) free( val.psz_string );
365 var_Create( p_this, "dshow-fps", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
366 var_Create( p_this, "dshow-tuner-channel",
367 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
368 var_Create( p_this, "dshow-tuner-country",
369 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
370 var_Create( p_this, "dshow-tuner-input",
371 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
373 var_Create( p_this, "dshow-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
375 var_Create( p_this, "dshow-video-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
376 var_Create( p_this, "dshow-audio-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
377 var_Create( p_this, "dshow-video-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
378 var_Create( p_this, "dshow-audio-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
380 /* Initialize OLE/COM */
383 /* Initialize some data */
384 p_sys->i_streams = 0;
385 p_sys->pp_streams = 0;
386 p_sys->i_width = i_width;
387 p_sys->i_height = i_height;
388 p_sys->i_chroma = i_chroma;
390 p_sys->p_graph = NULL;
391 p_sys->p_capture_graph_builder2 = NULL;
392 p_sys->p_control = NULL;
394 vlc_mutex_init( p_this, &p_sys->lock );
395 vlc_cond_init( p_this, &p_sys->wait );
397 /* Build directshow graph */
398 CreateDirectShowGraph( p_sys );
400 if( OpenDevice( p_this, p_sys, vdevname, 0 ) != VLC_SUCCESS )
402 msg_Err( p_this, "can't open video");
406 /* Check if we can handle the demuxing ourselves or need to spawn
407 * a demuxer module */
408 dshow_stream_t *p_stream = p_sys->pp_streams[p_sys->i_streams-1];
410 if( p_stream->mt.majortype == MEDIATYPE_Video )
412 if( /* Raw DV stream */
413 p_stream->i_fourcc == VLC_FOURCC('d','v','s','l') ||
414 p_stream->i_fourcc == VLC_FOURCC('d','v','s','d') ||
415 p_stream->i_fourcc == VLC_FOURCC('d','v','h','d') ||
416 /* Raw MPEG video stream */
417 p_stream->i_fourcc == VLC_FOURCC('m','p','2','v') )
423 /* Let the access (only) take care of that */
429 if( p_stream->mt.majortype == MEDIATYPE_Stream )
435 /* Let the access (only) take care of that */
439 var_Get( p_this, "dshow-tuner", &val );
442 /* FIXME: we do MEDIATYPE_Stream here so we don't do
444 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
445 p_stream->p_device_filter, 0 );
450 if( b_audio && OpenDevice( p_this, p_sys, adevname, 1 ) != VLC_SUCCESS )
452 msg_Err( p_this, "can't open audio");
455 for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
457 var_Get( p_this, "dshow-video-input", &val );
459 p_sys->crossbar_routes[i].VideoInputIndex=val.i_int;
460 var_Get( p_this, "dshow-video-output", &val );
462 p_sys->crossbar_routes[i].VideoOutputIndex=val.i_int;
463 var_Get( p_this, "dshow-audio-input", &val );
465 p_sys->crossbar_routes[i].AudioInputIndex=val.i_int;
466 var_Get( p_this, "dshow-audio-output", &val );
468 p_sys->crossbar_routes[i].AudioOutputIndex=val.i_int;
470 IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
471 LONG VideoInputIndex = p_sys->crossbar_routes[i].VideoInputIndex;
472 LONG VideoOutputIndex = p_sys->crossbar_routes[i].VideoOutputIndex;
473 LONG AudioInputIndex = p_sys->crossbar_routes[i].AudioInputIndex;
474 LONG AudioOutputIndex = p_sys->crossbar_routes[i].AudioOutputIndex;
476 if( SUCCEEDED(pXbar->Route(VideoOutputIndex, VideoInputIndex)) )
478 msg_Dbg( p_this, "crossbar at depth %d, routed video "
479 "output %ld to video input %ld", i, VideoOutputIndex,
482 if( AudioOutputIndex != -1 && AudioInputIndex != -1 )
484 if( SUCCEEDED( pXbar->Route(AudioOutputIndex,
487 msg_Dbg(p_this, "crossbar at depth %d, routed audio "
488 "output %ld to audio input %ld", i,
489 AudioOutputIndex, AudioInputIndex );
496 ** Show properties pages from other filters in graph
498 var_Get( p_this, "dshow-config", &val );
501 for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
503 IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
506 if( SUCCEEDED( pXbar->QueryInterface( IID_IBaseFilter,
509 ShowPropertyPage( p_XF );
515 /* Initialize some data */
516 p_sys->i_current_stream = 0;
518 if( !p_sys->i_streams ) return VLC_EGENERIC;
523 /*****************************************************************************
524 * DemuxOpen: open direct show device as an access_demux module
525 *****************************************************************************/
526 static int DemuxOpen( vlc_object_t *p_this )
528 demux_t *p_demux = (demux_t *)p_this;
532 p_sys = (access_sys_t *)malloc( sizeof( access_sys_t ) );
533 memset( p_sys, 0, sizeof( access_sys_t ) );
534 p_demux->p_sys = (demux_sys_t *)p_sys;
536 if( CommonOpen( p_this, p_sys, VLC_TRUE ) != VLC_SUCCESS )
538 CommonClose( p_this, p_sys );
542 /* Everything is ready. Let's rock baby */
543 msg_Dbg( p_this, "Playing...");
544 p_sys->p_control->Run();
546 p_demux->pf_demux = Demux;
547 p_demux->pf_control = DemuxControl;
548 p_demux->info.i_update = 0;
549 p_demux->info.i_title = 0;
550 p_demux->info.i_seekpoint = 0;
552 for( i = 0; i < p_sys->i_streams; i++ )
554 dshow_stream_t *p_stream = p_sys->pp_streams[i];
557 if( p_stream->mt.majortype == MEDIATYPE_Video )
559 es_format_Init( &fmt, VIDEO_ES, p_stream->i_fourcc );
561 fmt.video.i_width = p_stream->header.video.bmiHeader.biWidth;
562 fmt.video.i_height = p_stream->header.video.bmiHeader.biHeight;
563 fmt.video.i_aspect = 4 * VOUT_ASPECT_FACTOR / 3;
565 if( !p_stream->header.video.bmiHeader.biCompression )
567 /* RGB DIB are coded from bottom to top */
568 fmt.video.i_height = (unsigned int)(-(int)fmt.video.i_height);
571 /* Setup rgb mask for RGB formats */
572 if( p_stream->i_fourcc == VLC_FOURCC('R','V','2','4') )
574 /* This is in BGR format */
575 fmt.video.i_bmask = 0x00ff0000;
576 fmt.video.i_gmask = 0x0000ff00;
577 fmt.video.i_rmask = 0x000000ff;
580 if( p_stream->header.video.AvgTimePerFrame )
582 fmt.video.i_frame_rate = 10000000;
583 fmt.video.i_frame_rate_base =
584 p_stream->header.video.AvgTimePerFrame;
587 else if( p_stream->mt.majortype == MEDIATYPE_Audio )
589 es_format_Init( &fmt, AUDIO_ES, p_stream->i_fourcc );
591 fmt.audio.i_channels = p_stream->header.audio.nChannels;
592 fmt.audio.i_rate = p_stream->header.audio.nSamplesPerSec;
593 fmt.audio.i_bitspersample = p_stream->header.audio.wBitsPerSample;
594 fmt.audio.i_blockalign = fmt.audio.i_channels *
595 fmt.audio.i_bitspersample / 8;
596 fmt.i_bitrate = fmt.audio.i_channels * fmt.audio.i_rate *
597 fmt.audio.i_bitspersample;
600 p_stream->p_es = es_out_Add( p_demux->out, &fmt );
606 /*****************************************************************************
607 * AccessOpen: open direct show device as an access module
608 *****************************************************************************/
609 static int AccessOpen( vlc_object_t *p_this )
611 access_t *p_access = (access_t*)p_this;
614 p_access->p_sys = p_sys = (access_sys_t *)malloc( sizeof( access_sys_t ) );
615 memset( p_sys, 0, sizeof( access_sys_t ) );
617 if( CommonOpen( p_this, p_sys, VLC_FALSE ) != VLC_SUCCESS )
619 CommonClose( p_this, p_sys );
623 dshow_stream_t *p_stream = p_sys->pp_streams[0];
625 /* Check if we need to force demuxers */
626 if( !p_access->psz_demux || !*p_access->psz_demux )
628 if( p_stream->i_fourcc == VLC_FOURCC('d','v','s','l') ||
629 p_stream->i_fourcc == VLC_FOURCC('d','v','s','d') ||
630 p_stream->i_fourcc == VLC_FOURCC('d','v','h','d') )
632 p_access->psz_demux = strdup( "rawdv" );
634 else if( p_stream->i_fourcc == VLC_FOURCC('m','p','2','v') )
636 p_access->psz_demux = "mpgv";
641 p_access->pf_read = NULL;
642 p_access->pf_block = ReadCompressed;
643 p_access->pf_control = AccessControl;
644 p_access->pf_seek = NULL;
645 p_access->info.i_update = 0;
646 p_access->info.i_size = 0;
647 p_access->info.i_pos = 0;
648 p_access->info.b_eof = VLC_FALSE;
649 p_access->info.i_title = 0;
650 p_access->info.i_seekpoint = 0;
651 p_access->p_sys = p_sys;
653 /* Everything is ready. Let's rock baby */
654 msg_Dbg( p_this, "Playing...");
655 p_sys->p_control->Run();
660 /*****************************************************************************
661 * CommonClose: close device
662 *****************************************************************************/
663 static void CommonClose( vlc_object_t *p_this, access_sys_t *p_sys )
665 msg_Dbg( p_this, "releasing DirectShow");
667 DeleteDirectShowGraph( p_sys );
669 /* Uninitialize OLE/COM */
672 for( int i = 0; i < p_sys->i_streams; i++ ) delete p_sys->pp_streams[i];
673 if( p_sys->i_streams ) free( p_sys->pp_streams );
675 vlc_mutex_destroy( &p_sys->lock );
676 vlc_cond_destroy( &p_sys->wait );
681 /*****************************************************************************
682 * AccessClose: close device
683 *****************************************************************************/
684 static void AccessClose( vlc_object_t *p_this )
686 access_t *p_access = (access_t *)p_this;
687 access_sys_t *p_sys = p_access->p_sys;
689 /* Stop capturing stuff */
690 p_sys->p_control->Stop();
692 CommonClose( p_this, p_sys );
695 /*****************************************************************************
696 * DemuxClose: close device
697 *****************************************************************************/
698 static void DemuxClose( vlc_object_t *p_this )
700 demux_t *p_demux = (demux_t *)p_this;
701 access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
703 /* Stop capturing stuff */
704 p_sys->p_control->Stop();
706 CommonClose( p_this, p_sys );
709 /****************************************************************************
711 ****************************************************************************/
712 static bool ConnectFilters( vlc_object_t *p_this, access_sys_t *p_sys,
713 IBaseFilter *p_filter,
714 CaptureFilter *p_capture_filter )
716 CapturePin *p_input_pin = p_capture_filter->CustomGetPin();
718 AM_MEDIA_TYPE mediaType = p_input_pin->CustomGetMediaType();
720 if( p_sys->p_capture_graph_builder2 )
722 if( FAILED(p_sys->p_capture_graph_builder2->
723 RenderStream( &PIN_CATEGORY_CAPTURE, &mediaType.majortype,
724 p_filter, 0, (IBaseFilter *)p_capture_filter )) )
729 // Sort out all the possible video inputs
730 // The class needs to be given the capture filters ANALOGVIDEO input pin
732 if( ( mediaType.majortype == MEDIATYPE_Video ||
733 mediaType.majortype == MEDIATYPE_Stream ) &&
734 SUCCEEDED(p_filter->EnumPins(&pins)) )
740 IKsPropertySet *pKs=0;
744 while( !Found && ( S_OK == pins->Next(1, &pP, &n) ) )
746 if( S_OK == pP->QueryPinInfo(&pinInfo) )
748 // is this pin an ANALOGVIDEOIN input pin?
749 if( pinInfo.dir == PINDIR_INPUT &&
750 pP->QueryInterface( IID_IKsPropertySet,
751 (void **)&pKs ) == S_OK )
753 if( pKs->Get( AMPROPSETID_Pin,
754 AMPROPERTY_PIN_CATEGORY, NULL, 0,
755 &guid, sizeof(GUID), &dw ) == S_OK )
757 if( guid == PIN_CATEGORY_ANALOGVIDEOIN )
759 // recursively search crossbar routes
760 FindCrossbarRoutes( p_this, p_sys, pP, 0 );
767 pinInfo.pFilter->Release();
777 IEnumPins *p_enumpins;
780 if( S_OK != p_filter->EnumPins( &p_enumpins ) ) return false;
782 while( S_OK == p_enumpins->Next( 1, &p_pin, NULL ) )
784 PIN_DIRECTION pin_dir;
785 p_pin->QueryDirection( &pin_dir );
787 if( pin_dir == PINDIR_OUTPUT &&
788 p_sys->p_graph->ConnectDirect( p_pin, (IPin *)p_input_pin,
792 p_enumpins->Release();
798 p_enumpins->Release();
804 * get fourcc priority from arbritary preference, the higher the better
806 static int GetFourCCPriority( int i_fourcc )
810 case VLC_FOURCC('I','4','2','0'):
811 case VLC_FOURCC('f','l','3','2'):
813 case VLC_FOURCC('Y','V','1','2'):
814 case VLC_FOURCC('a','r','a','w'):
816 case VLC_FOURCC('R','V','2','4'):
818 case VLC_FOURCC('Y','U','Y','2'):
819 case VLC_FOURCC('R','V','3','2'):
820 case VLC_FOURCC('R','G','B','A'):
827 #define MAX_MEDIA_TYPES 32
829 static int OpenDevice( vlc_object_t *p_this, access_sys_t *p_sys,
830 string devicename, vlc_bool_t b_audio )
832 /* See if device is already opened */
833 for( int i = 0; i < p_sys->i_streams; i++ )
835 if( devicename.size() &&
836 p_sys->pp_streams[i]->devicename == devicename )
843 list<string> list_devices;
845 /* Enumerate devices and display their names */
846 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
848 if( !list_devices.size() )
851 list<string>::iterator iter;
852 for( iter = list_devices.begin(); iter != list_devices.end(); iter++ )
853 msg_Dbg( p_this, "found device: %s", iter->c_str() );
855 /* If no device name was specified, pick the 1st one */
856 if( devicename.size() == 0 )
858 devicename = *list_devices.begin();
861 // Use the system device enumerator and class enumerator to find
862 // a capture/preview device, such as a desktop USB video camera.
863 IBaseFilter *p_device_filter =
864 FindCaptureDevice( p_this, &devicename, 0, b_audio );
865 if( p_device_filter )
866 msg_Dbg( p_this, "using device: %s", devicename.c_str() );
869 msg_Err( p_this, "can't use device: %s, unsupported device type",
870 devicename.c_str() );
874 // Retreive acceptable media types supported by device
875 AM_MEDIA_TYPE media_types[MAX_MEDIA_TYPES];
877 EnumDeviceCaps( p_this, p_device_filter, p_sys->i_chroma,
878 p_sys->i_width, p_sys->i_height,
879 0, 0, 0, media_types, MAX_MEDIA_TYPES );
881 AM_MEDIA_TYPE *mt = NULL;
883 if( media_count > 0 )
885 mt = (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE) * media_count);
887 // Order and copy returned media types according to arbitrary
889 for( size_t c = 0; c < media_count; c++ )
892 GetFourCCPriority(GetFourCCFromMediaType(media_types[c]));
893 size_t slot_copy = c;
894 for( size_t d = c+1; d < media_count; d++ )
897 GetFourCCPriority(GetFourCCFromMediaType(media_types[d]));
898 if( priority > slot_priority )
900 slot_priority = priority;
906 mt[c] = media_types[slot_copy];
907 media_types[slot_copy] = media_types[c];
911 mt[c] = media_types[c];
917 msg_Err( p_this, "capture device '%s' does not support required parameters !", devicename.c_str() );
918 p_device_filter->Release();
922 /* Create and add our capture filter */
923 CaptureFilter *p_capture_filter =
924 new CaptureFilter( p_this, p_sys, mt, media_count );
925 p_sys->p_graph->AddFilter( p_capture_filter, 0 );
927 /* Add the device filter to the graph (seems necessary with VfW before
928 * accessing pin attributes). */
929 p_sys->p_graph->AddFilter( p_device_filter, 0 );
931 /* Attempt to connect one of this device's capture output pins */
932 msg_Dbg( p_this, "connecting filters" );
933 if( ConnectFilters( p_this, p_sys, p_device_filter, p_capture_filter ) )
936 msg_Dbg( p_this, "filters connected successfully !" );
938 dshow_stream_t dshow_stream;
939 dshow_stream.b_pts = VLC_FALSE;
940 dshow_stream.p_es = 0;
942 p_capture_filter->CustomGetPin()->CustomGetMediaType();
944 /* Show Device properties. Done here so the VLC stream is setup with
945 * the proper parameters. */
947 var_Get( p_this, "dshow-config", &val );
950 ShowDeviceProperties( p_this, p_sys->p_capture_graph_builder2,
951 p_device_filter, b_audio );
954 ConfigTuner( p_this, p_sys->p_capture_graph_builder2,
957 var_Get( p_this, "dshow-tuner", &val );
958 if( val.b_bool && dshow_stream.mt.majortype != MEDIATYPE_Stream )
960 /* FIXME: we do MEDIATYPE_Stream later so we don't do it twice. */
961 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
962 p_device_filter, b_audio );
966 p_capture_filter->CustomGetPin()->CustomGetMediaType();
968 dshow_stream.i_fourcc = GetFourCCFromMediaType( dshow_stream.mt );
969 if( dshow_stream.i_fourcc )
971 if( dshow_stream.mt.majortype == MEDIATYPE_Video )
973 dshow_stream.header.video =
974 *(VIDEOINFOHEADER *)dshow_stream.mt.pbFormat;
975 msg_Dbg( p_this, "MEDIATYPE_Video" );
976 msg_Dbg( p_this, "selected video pin accepts format: %4.4s",
977 (char *)&dshow_stream.i_fourcc);
979 else if( dshow_stream.mt.majortype == MEDIATYPE_Audio )
981 dshow_stream.header.audio =
982 *(WAVEFORMATEX *)dshow_stream.mt.pbFormat;
983 msg_Dbg( p_this, "MEDIATYPE_Audio" );
984 msg_Dbg( p_this, "selected audio pin accepts format: %4.4s",
985 (char *)&dshow_stream.i_fourcc);
987 else if( dshow_stream.mt.majortype == MEDIATYPE_Stream )
989 msg_Dbg( p_this, "MEDIATYPE_Stream" );
990 msg_Dbg( p_this, "selected stream pin accepts format: %4.4s",
991 (char *)&dshow_stream.i_fourcc);
995 msg_Dbg( p_this, "unknown stream majortype" );
999 /* Add directshow elementary stream to our list */
1000 dshow_stream.p_device_filter = p_device_filter;
1001 dshow_stream.p_capture_filter = p_capture_filter;
1003 p_sys->pp_streams = (dshow_stream_t **)realloc( p_sys->pp_streams,
1004 sizeof(dshow_stream_t *) * (p_sys->i_streams + 1) );
1005 p_sys->pp_streams[p_sys->i_streams] = new dshow_stream_t;
1006 *p_sys->pp_streams[p_sys->i_streams++] = dshow_stream;
1013 /* Remove filters from graph */
1014 p_sys->p_graph->RemoveFilter( p_device_filter );
1015 p_sys->p_graph->RemoveFilter( p_capture_filter );
1017 /* Release objects */
1018 p_device_filter->Release();
1019 p_capture_filter->Release();
1021 return VLC_EGENERIC;
1024 static IBaseFilter *
1025 FindCaptureDevice( vlc_object_t *p_this, string *p_devicename,
1026 list<string> *p_listdevices, vlc_bool_t b_audio )
1028 IBaseFilter *p_base_filter = NULL;
1029 IMoniker *p_moniker = NULL;
1033 /* Create the system device enumerator */
1034 ICreateDevEnum *p_dev_enum = NULL;
1036 hr = CoCreateInstance( CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
1037 IID_ICreateDevEnum, (void **)&p_dev_enum );
1040 msg_Err( p_this, "failed to create the device enumerator (0x%lx)", hr);
1044 /* Create an enumerator for the video capture devices */
1045 IEnumMoniker *p_class_enum = NULL;
1047 hr = p_dev_enum->CreateClassEnumerator( CLSID_VideoInputDeviceCategory,
1050 hr = p_dev_enum->CreateClassEnumerator( CLSID_AudioInputDeviceCategory,
1052 p_dev_enum->Release();
1055 msg_Err( p_this, "failed to create the class enumerator (0x%lx)", hr );
1059 /* If there are no enumerators for the requested type, then
1060 * CreateClassEnumerator will succeed, but p_class_enum will be NULL */
1061 if( p_class_enum == NULL )
1063 msg_Err( p_this, "no capture device was detected" );
1067 /* Enumerate the devices */
1069 /* Note that if the Next() call succeeds but there are no monikers,
1070 * it will return S_FALSE (which is not a failure). Therefore, we check
1071 * that the return code is S_OK instead of using SUCCEEDED() macro. */
1073 while( p_class_enum->Next( 1, &p_moniker, &i_fetched ) == S_OK )
1075 /* Getting the property page to get the device name */
1076 IPropertyBag *p_bag;
1077 hr = p_moniker->BindToStorage( 0, 0, IID_IPropertyBag,
1083 hr = p_bag->Read( L"FriendlyName", &var, NULL );
1087 int i_convert = WideCharToMultiByte(CP_ACP, 0, var.bstrVal,
1088 SysStringLen(var.bstrVal), NULL, 0, NULL, NULL);
1089 char *p_buf = (char *)alloca( i_convert+1 ); p_buf[0] = 0;
1090 WideCharToMultiByte( CP_ACP, 0, var.bstrVal,
1091 SysStringLen(var.bstrVal), p_buf, i_convert, NULL, NULL );
1092 SysFreeString(var.bstrVal);
1093 p_buf[i_convert] = '\0';
1095 if( p_listdevices ) p_listdevices->push_back( p_buf );
1097 if( p_devicename && *p_devicename == string(p_buf) )
1099 /* Bind Moniker to a filter object */
1100 hr = p_moniker->BindToObject( 0, 0, IID_IBaseFilter,
1101 (void **)&p_base_filter );
1104 msg_Err( p_this, "couldn't bind moniker to filter "
1105 "object (0x%lx)", hr );
1106 p_moniker->Release();
1107 p_class_enum->Release();
1110 p_moniker->Release();
1111 p_class_enum->Release();
1112 return p_base_filter;
1117 p_moniker->Release();
1120 p_class_enum->Release();
1124 static size_t EnumDeviceCaps( vlc_object_t *p_this, IBaseFilter *p_filter,
1125 int i_fourcc, int i_width, int i_height,
1126 int i_channels, int i_samplespersec,
1127 int i_bitspersample, AM_MEDIA_TYPE *mt,
1130 IEnumPins *p_enumpins;
1132 IEnumMediaTypes *p_enummt;
1133 size_t mt_count = 0;
1135 LONGLONG i_AvgTimePerFrame = 0;
1136 float r_fps = var_GetFloat( p_this, "dshow-fps" );
1138 i_AvgTimePerFrame = 10000000000LL/(LONGLONG)(r_fps*1000.0f);
1140 if( FAILED(p_filter->EnumPins( &p_enumpins )) )
1142 msg_Dbg( p_this, "EnumDeviceCaps failed: no pin enumeration !");
1146 while( S_OK == p_enumpins->Next( 1, &p_output_pin, NULL ) )
1150 if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1152 msg_Dbg( p_this, "EnumDeviceCaps: %s pin: %S",
1153 info.dir == PINDIR_INPUT ? "input" : "output",
1155 if( info.pFilter ) info.pFilter->Release();
1158 p_output_pin->Release();
1161 p_enumpins->Reset();
1163 while( !mt_count && p_enumpins->Next( 1, &p_output_pin, NULL ) == S_OK )
1167 if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1169 if( info.pFilter ) info.pFilter->Release();
1170 if( info.dir == PINDIR_INPUT )
1172 p_output_pin->Release();
1175 msg_Dbg( p_this, "EnumDeviceCaps: trying pin %S", info.achName );
1178 AM_MEDIA_TYPE *p_mt;
1181 ** Configure pin with a default compatible media if possible
1184 IAMStreamConfig *pSC;
1185 if( SUCCEEDED(p_output_pin->QueryInterface( IID_IAMStreamConfig,
1188 int piCount, piSize;
1189 if( SUCCEEDED(pSC->GetNumberOfCapabilities(&piCount, &piSize)) )
1191 BYTE *pSCC= (BYTE *)CoTaskMemAlloc(piSize);
1194 int i_priority = -1;
1195 for( int i=0; i<piCount; ++i )
1197 if( SUCCEEDED(pSC->GetStreamCaps(i, &p_mt, pSCC)) )
1199 int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1200 int i_current_priority = GetFourCCPriority(i_current_fourcc);
1202 if( (i_fourcc && (i_current_fourcc != i_fourcc))
1203 || (i_priority > i_current_priority) )
1205 // unwanted chroma, try next media type
1206 FreeMediaType( *p_mt );
1207 CoTaskMemFree( (PVOID)p_mt );
1211 if( MEDIATYPE_Video == p_mt->majortype
1212 && FORMAT_VideoInfo == p_mt->formattype )
1214 VIDEO_STREAM_CONFIG_CAPS *pVSCC = reinterpret_cast<VIDEO_STREAM_CONFIG_CAPS*>(pSCC);
1215 VIDEOINFOHEADER *pVih = reinterpret_cast<VIDEOINFOHEADER*>(p_mt->pbFormat);
1217 if( i_AvgTimePerFrame )
1219 if( pVSCC->MinFrameInterval > i_AvgTimePerFrame
1220 || i_AvgTimePerFrame > pVSCC->MaxFrameInterval )
1222 // required frame rate not compatible, try next media type
1223 FreeMediaType( *p_mt );
1224 CoTaskMemFree( (PVOID)p_mt );
1227 pVih->AvgTimePerFrame = i_AvgTimePerFrame;
1232 if( i_width % pVSCC->OutputGranularityX
1233 || pVSCC->MinOutputSize.cx > i_width
1234 || i_width > pVSCC->MaxOutputSize.cx )
1236 // required width not compatible, try next media type
1237 FreeMediaType( *p_mt );
1238 CoTaskMemFree( (PVOID)p_mt );
1241 pVih->bmiHeader.biWidth = i_width;
1246 if( i_height % pVSCC->OutputGranularityY
1247 || pVSCC->MinOutputSize.cy > i_height
1248 || i_height > pVSCC->MaxOutputSize.cy )
1250 // required height not compatible, try next media type
1251 FreeMediaType( *p_mt );
1252 CoTaskMemFree( (PVOID)p_mt );
1255 pVih->bmiHeader.biHeight = i_height;
1258 // Set the sample size and image size.
1259 // (Round the image width up to a DWORD boundary.)
1260 p_mt->lSampleSize = pVih->bmiHeader.biSizeImage =
1261 ((pVih->bmiHeader.biWidth + 3) & ~3) *
1262 pVih->bmiHeader.biHeight * (pVih->bmiHeader.biBitCount>>3);
1264 // no cropping, use full video input buffer
1265 memset(&(pVih->rcSource), 0, sizeof(RECT));
1266 memset(&(pVih->rcTarget), 0, sizeof(RECT));
1268 // select this format as default
1269 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1271 i_priority = i_current_priority;
1273 // no need to check any more media types
1277 else if( p_mt->majortype == MEDIATYPE_Audio
1278 && p_mt->formattype == FORMAT_WaveFormatEx )
1280 AUDIO_STREAM_CONFIG_CAPS *pASCC = reinterpret_cast<AUDIO_STREAM_CONFIG_CAPS*>(pSCC);
1281 WAVEFORMATEX *pWfx = reinterpret_cast<WAVEFORMATEX*>(p_mt->pbFormat);
1285 if( i_channels % pASCC->ChannelsGranularity
1286 || (unsigned int)i_channels < pASCC->MinimumChannels
1287 || (unsigned int)i_channels > pASCC->MaximumChannels )
1289 // required number channels not compatible, try next media type
1290 FreeMediaType( *p_mt );
1291 CoTaskMemFree( (PVOID)p_mt );
1294 pWfx->nChannels = i_channels;
1297 if( i_samplespersec )
1299 if( i_samplespersec % pASCC->BitsPerSampleGranularity
1300 || (unsigned int)i_samplespersec < pASCC->MinimumSampleFrequency
1301 || (unsigned int)i_samplespersec > pASCC->MaximumSampleFrequency )
1303 // required sampling rate not compatible, try next media type
1304 FreeMediaType( *p_mt );
1305 CoTaskMemFree( (PVOID)p_mt );
1308 pWfx->nSamplesPerSec = i_samplespersec;
1311 if( i_bitspersample )
1313 if( i_bitspersample % pASCC->BitsPerSampleGranularity
1314 || (unsigned int)i_bitspersample < pASCC->MinimumBitsPerSample
1315 || (unsigned int)i_bitspersample > pASCC->MaximumBitsPerSample )
1317 // required sample size not compatible, try next media type
1318 FreeMediaType( *p_mt );
1319 CoTaskMemFree( (PVOID)p_mt );
1322 pWfx->wBitsPerSample = i_bitspersample;
1325 // select this format as default
1326 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1328 i_priority = i_current_priority;
1330 // no need to check any more media types
1334 FreeMediaType( *p_mt );
1335 CoTaskMemFree( (PVOID)p_mt );
1338 CoTaskMemFree( (LPVOID)pSCC );
1339 if( i_priority >= 0 )
1340 msg_Dbg( p_this, "EnumDeviceCaps: input pin default format configured");
1347 ** Probe pin for available medias (may be a previously configured one)
1350 if( FAILED( p_output_pin->EnumMediaTypes( &p_enummt ) ) )
1352 p_output_pin->Release();
1356 while( p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1358 int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1359 if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Video
1360 && p_mt->formattype == FORMAT_VideoInfo )
1362 int i_current_width = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1363 int i_current_height = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1364 LONGLONG i_current_atpf = ((VIDEOINFOHEADER *)p_mt->pbFormat)->AvgTimePerFrame;
1366 if( i_current_height < 0 )
1367 i_current_height = -i_current_height;
1369 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1370 "accepts chroma: %4.4s, width:%i, height:%i, fps:%f",
1371 (char *)&i_current_fourcc, i_current_width,
1372 i_current_height, (10000000.0f/((float)i_current_atpf)) );
1374 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1375 ( !i_width || i_width == i_current_width ) &&
1376 ( !i_height || i_height == i_current_height ) &&
1377 ( !i_AvgTimePerFrame || i_AvgTimePerFrame == i_current_atpf ) &&
1381 mt[mt_count++] = *p_mt;
1383 else FreeMediaType( *p_mt );
1385 else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Audio
1386 && p_mt->formattype == FORMAT_WaveFormatEx)
1388 int i_current_channels =
1389 ((WAVEFORMATEX *)p_mt->pbFormat)->nChannels;
1390 int i_current_samplespersec =
1391 ((WAVEFORMATEX *)p_mt->pbFormat)->nSamplesPerSec;
1392 int i_current_bitspersample =
1393 ((WAVEFORMATEX *)p_mt->pbFormat)->wBitsPerSample;
1395 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1396 "accepts format: %4.4s, channels:%i, "
1397 "samples/sec:%i bits/sample:%i",
1398 (char *)&i_current_fourcc, i_current_channels,
1399 i_current_samplespersec, i_current_bitspersample);
1401 if( (!i_channels || i_channels == i_current_channels) &&
1402 (!i_samplespersec ||
1403 i_samplespersec == i_current_samplespersec) &&
1404 (!i_bitspersample ||
1405 i_bitspersample == i_current_bitspersample) &&
1409 mt[mt_count++] = *p_mt;
1411 /* Setup a few properties like the audio latency */
1412 IAMBufferNegotiation *p_ambuf;
1413 if( SUCCEEDED( p_output_pin->QueryInterface(
1414 IID_IAMBufferNegotiation, (void **)&p_ambuf ) ) )
1416 ALLOCATOR_PROPERTIES AllocProp;
1417 AllocProp.cbAlign = -1;
1419 /* 100 ms of latency */
1420 AllocProp.cbBuffer = i_current_channels *
1421 i_current_samplespersec *
1422 i_current_bitspersample / 8 / 10;
1424 AllocProp.cbPrefix = -1;
1425 AllocProp.cBuffers = -1;
1426 p_ambuf->SuggestAllocatorProperties( &AllocProp );
1430 else FreeMediaType( *p_mt );
1432 else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Stream )
1434 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1435 "accepts stream format: %4.4s",
1436 (char *)&i_current_fourcc );
1438 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1442 mt[mt_count++] = *p_mt;
1443 i_fourcc = i_current_fourcc;
1445 else FreeMediaType( *p_mt );
1449 char *psz_type = "unknown";
1450 if( p_mt->majortype == MEDIATYPE_Video ) psz_type = "video";
1451 if( p_mt->majortype == MEDIATYPE_Audio ) psz_type = "audio";
1452 if( p_mt->majortype == MEDIATYPE_Stream ) psz_type = "stream";
1453 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: unsupported format "
1454 "(%s %4.4s)", psz_type, (char *)&p_mt->subtype );
1456 FreeMediaType( *p_mt );
1458 CoTaskMemFree( (PVOID)p_mt );
1461 if( !mt_count && p_enummt->Reset() == S_OK )
1463 // VLC did not find any supported MEDIATYPE for this output pin.
1464 // However the graph builder might insert converter filters in
1465 // the graph if we use a different codec in VLC filter input pin.
1466 // however, in order to avoid nasty surprises, make use of this
1467 // facility only for known unsupported codecs.
1469 while( !mt_count && p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1471 // the first four bytes of subtype GUID contains the codec FOURCC
1472 const char *pfcc = (char *)&p_mt->subtype;
1473 int i_current_fourcc = VLC_FOURCC(pfcc[0], pfcc[1], pfcc[2], pfcc[3]);
1474 if( VLC_FOURCC('H','C','W','2') == i_current_fourcc
1475 && p_mt->majortype == MEDIATYPE_Video )
1477 // ouput format for 'Hauppauge WinTV PVR PCI II Capture'
1478 // try I420 as an input format
1479 i_current_fourcc = VLC_FOURCC('I','4','2','0');
1480 if( !i_fourcc || i_fourcc == i_current_fourcc )
1482 // return alternative media type
1486 mtr.majortype = MEDIATYPE_Video;
1487 mtr.subtype = MEDIASUBTYPE_I420;
1488 mtr.bFixedSizeSamples = TRUE;
1489 mtr.bTemporalCompression = FALSE;
1491 mtr.formattype = FORMAT_VideoInfo;
1492 mtr.cbFormat = sizeof(vh);
1493 mtr.pbFormat = (BYTE *)&vh;
1495 memset(&vh, 0, sizeof(vh));
1497 vh.bmiHeader.biSize = sizeof(vh.bmiHeader);
1498 vh.bmiHeader.biWidth = i_width > 0 ? i_width :
1499 ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1500 vh.bmiHeader.biHeight = i_height > 0 ? i_height :
1501 ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1502 vh.bmiHeader.biPlanes = 3;
1503 vh.bmiHeader.biBitCount = 12;
1504 vh.bmiHeader.biCompression = VLC_FOURCC('I','4','2','0');
1505 vh.bmiHeader.biSizeImage = vh.bmiHeader.biWidth * 12 *
1506 vh.bmiHeader.biHeight / 8;
1507 mtr.lSampleSize = vh.bmiHeader.biSizeImage;
1509 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: using 'I420' in place of unsupported format 'HCW2'");
1511 if( SUCCEEDED(CopyMediaType(mt+mt_count, &mtr)) )
1515 FreeMediaType( *p_mt );
1519 p_enummt->Release();
1520 p_output_pin->Release();
1523 p_enumpins->Release();
1527 /*****************************************************************************
1528 * ReadCompressed: reads compressed (MPEG/DV) data from the device.
1529 *****************************************************************************
1530 * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
1532 *****************************************************************************/
1533 static block_t *ReadCompressed( access_t *p_access )
1535 access_sys_t *p_sys = p_access->p_sys;
1536 dshow_stream_t *p_stream = NULL;
1537 VLCMediaSample sample;
1539 /* Read 1 DV/MPEG frame (they contain the video and audio data) */
1541 /* There must be only 1 elementary stream to produce a valid stream
1542 * of MPEG or DV data */
1543 p_stream = p_sys->pp_streams[0];
1547 if( p_access->b_die || p_access->b_error ) return 0;
1549 /* Get new sample/frame from the elementary stream (blocking). */
1550 vlc_mutex_lock( &p_sys->lock );
1552 if( p_stream->p_capture_filter->CustomGetPin()
1553 ->CustomGetSample( &sample ) != S_OK )
1555 /* No data available. Wait until some data has arrived */
1556 vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1557 vlc_mutex_unlock( &p_sys->lock );
1561 vlc_mutex_unlock( &p_sys->lock );
1568 int i_data_size = sample.p_sample->GetActualDataLength();
1570 if( !i_data_size || !(p_block = block_New( p_access, i_data_size )) )
1572 sample.p_sample->Release();
1576 sample.p_sample->GetPointer( &p_data );
1577 p_access->p_vlc->pf_memcpy( p_block->p_buffer, p_data, i_data_size );
1578 sample.p_sample->Release();
1580 /* The caller got what he wanted */
1584 return 0; /* never reached */
1587 /****************************************************************************
1589 ****************************************************************************/
1590 static int Demux( demux_t *p_demux )
1592 access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
1593 dshow_stream_t *p_stream = NULL;
1594 VLCMediaSample sample;
1595 int i_data_size, i_stream;
1599 vlc_mutex_lock( &p_sys->lock );
1601 /* Try to grab an audio sample (audio has a higher priority) */
1602 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1604 p_stream = p_sys->pp_streams[i_stream];
1605 if( p_stream->mt.majortype == MEDIATYPE_Audio &&
1606 p_stream->p_capture_filter &&
1607 p_stream->p_capture_filter->CustomGetPin()
1608 ->CustomGetSample( &sample ) == S_OK )
1613 /* Try to grab a video sample */
1614 if( i_stream == p_sys->i_streams )
1616 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1618 p_stream = p_sys->pp_streams[i_stream];
1619 if( p_stream->p_capture_filter &&
1620 p_stream->p_capture_filter->CustomGetPin()
1621 ->CustomGetSample( &sample ) == S_OK )
1628 vlc_mutex_unlock( &p_sys->lock );
1630 if( i_stream == p_sys->i_streams )
1632 /* Sleep so we do not consume all the cpu, 10ms seems
1633 * like a good value (100fps) */
1641 i_data_size = sample.p_sample->GetActualDataLength();
1642 sample.p_sample->GetPointer( &p_data );
1644 REFERENCE_TIME i_pts, i_end_date;
1645 HRESULT hr = sample.p_sample->GetTime( &i_pts, &i_end_date );
1646 if( hr != VFW_S_NO_STOP_TIME && hr != S_OK ) i_pts = 0;
1650 if( p_stream->mt.majortype == MEDIATYPE_Video || !p_stream->b_pts )
1652 /* Use our data timestamp */
1653 i_pts = sample.i_timestamp;
1654 p_stream->b_pts = VLC_TRUE;
1658 i_pts /= 10; /* Dshow works with 100 nano-seconds resolution */
1661 msg_Dbg( p_demux, "Read() stream: %i, size: %i, PTS: "I64Fd,
1662 i_stream, i_data_size, i_pts );
1665 p_block = block_New( p_demux, i_data_size );
1666 p_demux->p_vlc->pf_memcpy( p_block->p_buffer, p_data, i_data_size );
1667 p_block->i_pts = p_block->i_dts = i_pts;
1668 sample.p_sample->Release();
1670 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_pts > 0 ? i_pts : 0 );
1671 es_out_Send( p_demux->out, p_stream->p_es, p_block );
1676 /*****************************************************************************
1678 *****************************************************************************/
1679 static int AccessControl( access_t *p_access, int i_query, va_list args )
1681 vlc_bool_t *pb_bool;
1688 case ACCESS_CAN_SEEK:
1689 case ACCESS_CAN_FASTSEEK:
1690 case ACCESS_CAN_PAUSE:
1691 case ACCESS_CAN_CONTROL_PACE:
1692 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
1693 *pb_bool = VLC_FALSE;
1697 case ACCESS_GET_MTU:
1698 pi_int = (int*)va_arg( args, int * );
1702 case ACCESS_GET_PTS_DELAY:
1703 pi_64 = (int64_t*)va_arg( args, int64_t * );
1704 *pi_64 = (int64_t)var_GetInteger( p_access, "dshow-caching" ) * 1000;
1708 case ACCESS_SET_PAUSE_STATE:
1709 case ACCESS_GET_TITLE_INFO:
1710 case ACCESS_SET_TITLE:
1711 case ACCESS_SET_SEEKPOINT:
1712 case ACCESS_SET_PRIVATE_ID_STATE:
1713 return VLC_EGENERIC;
1716 msg_Warn( p_access, "unimplemented query in control" );
1717 return VLC_EGENERIC;
1723 /****************************************************************************
1725 ****************************************************************************/
1726 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
1733 /* Special for access_demux */
1734 case DEMUX_CAN_PAUSE:
1735 case DEMUX_SET_PAUSE_STATE:
1736 case DEMUX_CAN_CONTROL_PACE:
1737 pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
1741 case DEMUX_GET_PTS_DELAY:
1742 pi64 = (int64_t*)va_arg( args, int64_t * );
1743 *pi64 = (int64_t)var_GetInteger( p_demux, "dshow-caching" ) * 1000;
1746 case DEMUX_GET_TIME:
1747 pi64 = (int64_t*)va_arg( args, int64_t * );
1751 /* TODO implement others */
1753 return VLC_EGENERIC;
1756 return VLC_EGENERIC;
1759 /*****************************************************************************
1760 * config variable callback
1761 *****************************************************************************/
1762 static int FindDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1763 vlc_value_t newval, vlc_value_t oldval, void * )
1765 module_config_t *p_item;
1766 vlc_bool_t b_audio = VLC_FALSE;
1769 p_item = config_FindConfig( p_this, psz_name );
1770 if( !p_item ) return VLC_SUCCESS;
1772 if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = VLC_TRUE;
1774 /* Clear-up the current list */
1775 if( p_item->i_list )
1777 /* Keep the 2 first entries */
1778 for( i = 2; i < p_item->i_list; i++ )
1780 free( p_item->ppsz_list[i] );
1781 free( p_item->ppsz_list_text[i] );
1783 /* TODO: Remove when no more needed */
1784 p_item->ppsz_list[i] = NULL;
1785 p_item->ppsz_list_text[i] = NULL;
1789 /* Find list of devices */
1790 list<string> list_devices;
1792 /* Initialize OLE/COM */
1795 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1797 /* Uninitialize OLE/COM */
1800 if( !list_devices.size() ) return VLC_SUCCESS;
1803 (char **)realloc( p_item->ppsz_list,
1804 (list_devices.size()+3) * sizeof(char *) );
1805 p_item->ppsz_list_text =
1806 (char **)realloc( p_item->ppsz_list_text,
1807 (list_devices.size()+3) * sizeof(char *) );
1809 list<string>::iterator iter;
1810 for( iter = list_devices.begin(), i = 2; iter != list_devices.end();
1813 p_item->ppsz_list[i] = strdup( iter->c_str() );
1814 p_item->ppsz_list_text[i] = NULL;
1817 p_item->ppsz_list[i] = NULL;
1818 p_item->ppsz_list_text[i] = NULL;
1820 /* Signal change to the interface */
1821 p_item->b_dirty = VLC_TRUE;
1826 static int ConfigDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1827 vlc_value_t newval, vlc_value_t oldval, void * )
1829 module_config_t *p_item;
1830 vlc_bool_t b_audio = VLC_FALSE;
1832 /* Initialize OLE/COM */
1835 p_item = config_FindConfig( p_this, psz_name );
1836 if( !p_item ) return VLC_SUCCESS;
1838 if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = VLC_TRUE;
1842 if( newval.psz_string && *newval.psz_string )
1844 devicename = newval.psz_string;
1848 /* If no device name was specified, pick the 1st one */
1849 list<string> list_devices;
1851 /* Enumerate devices */
1852 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1853 if( !list_devices.size() ) return VLC_EGENERIC;
1854 devicename = *list_devices.begin();
1857 IBaseFilter *p_device_filter =
1858 FindCaptureDevice( p_this, &devicename, NULL, b_audio );
1859 if( p_device_filter )
1861 ShowPropertyPage( p_device_filter );
1865 /* Uninitialize OLE/COM */
1868 msg_Err( p_this, "didn't find device: %s", devicename.c_str() );
1869 return VLC_EGENERIC;
1872 /* Uninitialize OLE/COM */
1878 /*****************************************************************************
1880 *****************************************************************************/
1881 static void ShowPropertyPage( IUnknown *obj )
1883 ISpecifyPropertyPages *p_spec;
1886 HRESULT hr = obj->QueryInterface( IID_ISpecifyPropertyPages,
1888 if( FAILED(hr) ) return;
1890 if( SUCCEEDED(p_spec->GetPages( &cauuid )) )
1892 if( cauuid.cElems > 0 )
1894 HWND hwnd_desktop = ::GetDesktopWindow();
1896 OleCreatePropertyFrame( hwnd_desktop, 30, 30, NULL, 1, &obj,
1897 cauuid.cElems, cauuid.pElems, 0, 0, NULL );
1899 CoTaskMemFree( cauuid.pElems );
1905 static void ShowDeviceProperties( vlc_object_t *p_this,
1906 ICaptureGraphBuilder2 *p_graph,
1907 IBaseFilter *p_device_filter,
1908 vlc_bool_t b_audio )
1911 msg_Dbg( p_this, "configuring Device Properties" );
1914 * Video or audio capture filter page
1916 ShowPropertyPage( p_device_filter );
1921 if( p_graph && b_audio )
1923 IAMStreamConfig *p_SC;
1925 msg_Dbg( p_this, "showing WDM Audio Configuration Pages" );
1927 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1928 &MEDIATYPE_Audio, p_device_filter,
1929 IID_IAMStreamConfig, (void **)&p_SC );
1932 ShowPropertyPage(p_SC);
1940 HRESULT hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1941 &MEDIATYPE_Audio, p_device_filter,
1942 IID_IAMTVAudio, (void **)&p_TVA );
1945 ShowPropertyPage(p_TVA);
1953 if( p_graph && !b_audio )
1955 IAMStreamConfig *p_SC;
1957 msg_Dbg( p_this, "showing WDM Video Configuration Pages" );
1959 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1960 &MEDIATYPE_Interleaved, p_device_filter,
1961 IID_IAMStreamConfig, (void **)&p_SC );
1964 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1965 &MEDIATYPE_Video, p_device_filter,
1966 IID_IAMStreamConfig, (void **)&p_SC );
1971 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1972 &MEDIATYPE_Stream, p_device_filter,
1973 IID_IAMStreamConfig, (void **)&p_SC );
1978 ShowPropertyPage(p_SC);
1984 static void ShowTunerProperties( vlc_object_t *p_this,
1985 ICaptureGraphBuilder2 *p_graph,
1986 IBaseFilter *p_device_filter,
1987 vlc_bool_t b_audio )
1990 msg_Dbg( p_this, "configuring Tuner Properties" );
1992 if( !p_graph || b_audio ) return;
1995 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1996 &MEDIATYPE_Interleaved, p_device_filter,
1997 IID_IAMTVTuner, (void **)&p_TV );
2000 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2001 &MEDIATYPE_Video, p_device_filter,
2002 IID_IAMTVTuner, (void **)&p_TV );
2007 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2008 &MEDIATYPE_Stream, p_device_filter,
2009 IID_IAMTVTuner, (void **)&p_TV );
2014 ShowPropertyPage(p_TV);
2019 static void ConfigTuner( vlc_object_t *p_this, ICaptureGraphBuilder2 *p_graph,
2020 IBaseFilter *p_device_filter )
2022 int i_channel, i_country, i_input;
2027 if( !p_graph ) return;
2029 i_channel = var_GetInteger( p_this, "dshow-tuner-channel" );
2030 i_country = var_GetInteger( p_this, "dshow-tuner-country" );
2031 i_input = var_GetInteger( p_this, "dshow-tuner-input" );
2033 if( !i_channel && !i_country && !i_input ) return; /* Nothing to do */
2035 msg_Dbg( p_this, "tuner config: channel %i, country %i, input type %i",
2036 i_channel, i_country, i_input );
2038 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Interleaved,
2039 p_device_filter, IID_IAMTVTuner,
2043 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video,
2044 p_device_filter, IID_IAMTVTuner,
2050 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Stream,
2051 p_device_filter, IID_IAMTVTuner,
2057 msg_Dbg( p_this, "couldn't find tuner interface" );
2061 hr = p_TV->GetAvailableModes( &l_modes );
2062 if( SUCCEEDED(hr) && (l_modes & AMTUNER_MODE_TV) )
2064 hr = p_TV->put_Mode( AMTUNER_MODE_TV );
2067 if( i_input == 1 ) p_TV->put_InputType( 0, TunerInputCable );
2068 else if( i_input == 2 ) p_TV->put_InputType( 0, TunerInputAntenna );
2070 p_TV->put_CountryCode( i_country );
2071 p_TV->put_Channel( i_channel, AMTUNER_SUBCHAN_NO_TUNE,
2072 AMTUNER_SUBCHAN_NO_TUNE );