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 *****************************************************************************/
30 #include <vlc_input.h>
31 #include <vlc_access.h>
32 #include <vlc_demux.h>
34 #include <vlc_interface.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 const char *ppsz_vdev[] = { "", "none" };
73 static const char *ppsz_vdev_text[] = { N_("Default"), N_("None") };
74 static const char *ppsz_adev[] = { "", "none" };
75 static const char *ppsz_adev_text[] = { N_("Default"), N_("None") };
76 static int pi_tuner_input[] = { 0, 1, 2 };
77 static const char *ppsz_tuner_input_text[] =
78 {N_("Default"), N_("Cable"), N_("Antenna")};
79 static const int pi_amtuner_mode[] = { AMTUNER_MODE_DEFAULT,
81 AMTUNER_MODE_FM_RADIO,
82 AMTUNER_MODE_AM_RADIO,
84 static const char *ppsz_amtuner_mode_text[] = { N_("Default"),
90 #define CACHING_TEXT N_("Caching value in ms")
91 #define CACHING_LONGTEXT N_( \
92 "Caching value for DirectShow streams. " \
93 "This value should be set in millisecondss." )
94 #define VDEV_TEXT N_("Video device name")
95 #define VDEV_LONGTEXT N_( \
96 "Name of the video device that will be used by the " \
97 "DirectShow plugin. If you don't specify anything, the default device " \
99 #define ADEV_TEXT N_("Audio device name")
100 #define ADEV_LONGTEXT N_( \
101 "Name of the audio device that will be used by the " \
102 "DirectShow plugin. If you don't specify anything, the default device " \
104 #define SIZE_TEXT N_("Video size")
105 #define SIZE_LONGTEXT N_( \
106 "Size of the video that will be displayed by the " \
107 "DirectShow plugin. If you don't specify anything the default size for " \
108 "your device will be used. You can specify a standard size (cif, d1, ...) or <width>x<height>.")
109 #define CHROMA_TEXT N_("Video input chroma format")
110 #define CHROMA_LONGTEXT N_( \
111 "Force the DirectShow video input to use a specific chroma format " \
112 "(eg. I420 (default), RV24, etc.)")
113 #define FPS_TEXT N_("Video input frame rate")
114 #define FPS_LONGTEXT N_( \
115 "Force the DirectShow video input to use a specific frame rate" \
116 "(eg. 0 means default, 25, 29.97, 50, 59.94, etc.)")
117 #define CONFIG_TEXT N_("Device properties")
118 #define CONFIG_LONGTEXT N_( \
119 "Show the properties dialog of the selected device before starting the " \
121 #define TUNER_TEXT N_("Tuner properties")
122 #define TUNER_LONGTEXT N_( \
123 "Show the tuner properties [channel selection] page." )
124 #define CHANNEL_TEXT N_("Tuner TV Channel")
125 #define CHANNEL_LONGTEXT N_( \
126 "Set the TV channel the tuner will set to " \
127 "(0 means default)." )
128 #define COUNTRY_TEXT N_("Tuner country code")
129 #define COUNTRY_LONGTEXT N_( \
130 "Set the tuner country code that establishes the current " \
131 "channel-to-frequency mapping (0 means default)." )
132 #define TUNER_INPUT_TEXT N_("Tuner input type")
133 #define TUNER_INPUT_LONGTEXT N_( \
134 "Select the tuner input type (Cable/Antenna)." )
135 #define VIDEO_IN_TEXT N_("Video input pin")
136 #define VIDEO_IN_LONGTEXT N_( \
137 "Select the video input source, such as composite, s-video, " \
138 "or tuner. Since these settings are hardware-specific, you should find good " \
139 "settings in the \"Device config\" area, and use those numbers here. -1 " \
140 "means that settings will not be changed.")
141 #define AUDIO_IN_TEXT N_("Audio input pin")
142 #define AUDIO_IN_LONGTEXT N_( \
143 "Select the audio input source. See the \"video input\" option." )
144 #define VIDEO_OUT_TEXT N_("Video output pin")
145 #define VIDEO_OUT_LONGTEXT N_( \
146 "Select the video output type. See the \"video input\" option." )
147 #define AUDIO_OUT_TEXT N_("Audio output pin")
148 #define AUDIO_OUT_LONGTEXT N_( \
149 "Select the audio output type. See the \"video input\" option." )
151 #define AMTUNER_MODE_TEXT N_("AM Tuner mode")
152 #define AMTUNER_MODE_LONGTEXT N_( \
153 "AM Tuner mode. Can be one of DEFAULT, TV, AM_RADIO, FM_RADIO or DSS.")
155 static int CommonOpen ( vlc_object_t *, access_sys_t *, vlc_bool_t );
156 static void CommonClose( vlc_object_t *, access_sys_t * );
158 static int AccessOpen ( vlc_object_t * );
159 static void AccessClose( vlc_object_t * );
161 static int DemuxOpen ( vlc_object_t * );
162 static void DemuxClose ( vlc_object_t * );
165 set_shortname( _("DirectShow") );
166 set_description( _("DirectShow input") );
167 set_category( CAT_INPUT );
168 set_subcategory( SUBCAT_INPUT_ACCESS );
169 add_integer( "dshow-caching", (mtime_t)(0.2*CLOCK_FREQ) / 1000, NULL,
170 CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
172 add_string( "dshow-vdev", NULL, NULL, VDEV_TEXT, VDEV_LONGTEXT, VLC_FALSE);
173 change_string_list( ppsz_vdev, ppsz_vdev_text, FindDevicesCallback );
174 change_action_add( FindDevicesCallback, N_("Refresh list") );
175 change_action_add( ConfigDevicesCallback, N_("Configure") );
177 add_string( "dshow-adev", NULL, NULL, ADEV_TEXT, ADEV_LONGTEXT, VLC_FALSE);
178 change_string_list( ppsz_adev, ppsz_adev_text, FindDevicesCallback );
179 change_action_add( FindDevicesCallback, N_("Refresh list") );
180 change_action_add( ConfigDevicesCallback, N_("Configure") );
182 add_string( "dshow-size", NULL, NULL, SIZE_TEXT, SIZE_LONGTEXT, VLC_FALSE);
184 add_string( "dshow-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT,
187 add_float( "dshow-fps", 0.0f, NULL, FPS_TEXT, FPS_LONGTEXT,
190 add_bool( "dshow-config", VLC_FALSE, NULL, CONFIG_TEXT, CONFIG_LONGTEXT,
193 add_bool( "dshow-tuner", VLC_FALSE, NULL, TUNER_TEXT, TUNER_LONGTEXT,
196 add_integer( "dshow-tuner-channel", 0, NULL, CHANNEL_TEXT,
197 CHANNEL_LONGTEXT, VLC_TRUE );
199 add_integer( "dshow-tuner-country", 0, NULL, COUNTRY_TEXT,
200 COUNTRY_LONGTEXT, VLC_TRUE );
202 add_integer( "dshow-tuner-input", 0, NULL, TUNER_INPUT_TEXT,
203 TUNER_INPUT_LONGTEXT, VLC_TRUE );
204 change_integer_list( pi_tuner_input, ppsz_tuner_input_text, 0 );
206 add_integer( "dshow-video-input", -1, NULL, VIDEO_IN_TEXT,
207 VIDEO_IN_LONGTEXT, VLC_TRUE );
209 add_integer( "dshow-audio-input", -1, NULL, AUDIO_IN_TEXT,
210 AUDIO_IN_LONGTEXT, VLC_TRUE );
212 add_integer( "dshow-video-output", -1, NULL, VIDEO_OUT_TEXT,
213 VIDEO_OUT_LONGTEXT, VLC_TRUE );
215 add_integer( "dshow-audio-output", -1, NULL, AUDIO_OUT_TEXT,
216 AUDIO_OUT_LONGTEXT, VLC_TRUE );
218 add_integer( "dshow-amtuner-mode", AMTUNER_MODE_TV, NULL,
219 AMTUNER_MODE_TEXT, AMTUNER_MODE_LONGTEXT, VLC_FALSE);
220 change_integer_list( pi_amtuner_mode, ppsz_amtuner_mode_text, 0 );
222 add_shortcut( "dshow" );
223 set_capability( "access_demux", 0 );
224 set_callbacks( DemuxOpen, DemuxClose );
227 set_description( _("DirectShow input") );
228 set_capability( "access2", 0 );
229 set_callbacks( AccessOpen, AccessClose );
233 /*****************************************************************************
234 * DirectShow elementary stream descriptor
235 *****************************************************************************/
236 typedef struct dshow_stream_t
239 IBaseFilter *p_device_filter;
240 CaptureFilter *p_capture_filter;
245 VIDEOINFOHEADER video;
256 /*****************************************************************************
257 * DirectShow utility functions
258 *****************************************************************************/
259 static void CreateDirectShowGraph( access_sys_t *p_sys )
261 p_sys->i_crossbar_route_depth = 0;
263 /* Create directshow filter graph */
264 if( SUCCEEDED( CoCreateInstance( CLSID_FilterGraph, 0, CLSCTX_INPROC,
265 (REFIID)IID_IFilterGraph, (void **)&p_sys->p_graph) ) )
267 /* Create directshow capture graph builder if available */
268 if( SUCCEEDED( CoCreateInstance( CLSID_CaptureGraphBuilder2, 0,
269 CLSCTX_INPROC, (REFIID)IID_ICaptureGraphBuilder2,
270 (void **)&p_sys->p_capture_graph_builder2 ) ) )
272 p_sys->p_capture_graph_builder2->
273 SetFiltergraph((IGraphBuilder *)p_sys->p_graph);
276 p_sys->p_graph->QueryInterface( IID_IMediaControl,
277 (void **)&p_sys->p_control );
281 static void DeleteDirectShowGraph( access_sys_t *p_sys )
283 DeleteCrossbarRoutes( p_sys );
285 /* Remove filters from graph */
286 for( int i = 0; i < p_sys->i_streams; i++ )
288 p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_capture_filter );
289 p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_device_filter );
290 p_sys->pp_streams[i]->p_capture_filter->Release();
291 p_sys->pp_streams[i]->p_device_filter->Release();
294 /* Release directshow objects */
295 if( p_sys->p_control )
297 p_sys->p_control->Release();
298 p_sys->p_control = NULL;
300 if( p_sys->p_capture_graph_builder2 )
302 p_sys->p_capture_graph_builder2->Release();
303 p_sys->p_capture_graph_builder2 = NULL;
308 p_sys->p_graph->Release();
309 p_sys->p_graph = NULL;
313 /*****************************************************************************
314 * CommonOpen: open direct show device
315 *****************************************************************************/
316 static int CommonOpen( vlc_object_t *p_this, access_sys_t *p_sys,
317 vlc_bool_t b_access_demux )
322 /* Get/parse options and open device(s) */
323 string vdevname, adevname;
324 int i_width = 0, i_height = 0, i_chroma = 0;
325 vlc_bool_t b_audio = VLC_TRUE;
327 var_Create( p_this, "dshow-config", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
328 var_Create( p_this, "dshow-tuner", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
329 var_Create( p_this, "dshow-vdev", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
330 var_Get( p_this, "dshow-vdev", &val );
331 if( val.psz_string ) vdevname = string( val.psz_string );
332 if( val.psz_string ) free( val.psz_string );
334 var_Create( p_this, "dshow-adev", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
335 var_Get( p_this, "dshow-adev", &val );
336 if( val.psz_string ) adevname = string( val.psz_string );
337 if( val.psz_string ) free( val.psz_string );
339 static struct {char *psz_size; int i_width; int i_height;} size_table[] =
340 { { "subqcif", 128, 96 }, { "qsif", 160, 120 }, { "qcif", 176, 144 },
341 { "sif", 320, 240 }, { "cif", 352, 288 }, { "d1", 640, 480 },
345 var_Create( p_this, "dshow-size", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
346 var_Get( p_this, "dshow-size", &val );
347 if( val.psz_string && *val.psz_string )
349 for( i = 0; size_table[i].psz_size; i++ )
351 if( !strcmp( val.psz_string, size_table[i].psz_size ) )
353 i_width = size_table[i].i_width;
354 i_height = size_table[i].i_height;
358 if( !size_table[i].psz_size ) /* Try to parse "WidthxHeight" */
361 i_width = strtol( val.psz_string, &psz_parser, 0 );
362 if( *psz_parser == 'x' || *psz_parser == 'X')
364 i_height = strtol( psz_parser + 1, &psz_parser, 0 );
366 msg_Dbg( p_this, "width x height %dx%d", i_width, i_height );
369 if( val.psz_string ) free( val.psz_string );
371 p_sys->b_chroma = VLC_FALSE;
372 var_Create( p_this, "dshow-chroma", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
373 var_Get( p_this, "dshow-chroma", &val );
374 if( val.psz_string && strlen( val.psz_string ) >= 4 )
376 i_chroma = VLC_FOURCC( val.psz_string[0], val.psz_string[1],
377 val.psz_string[2], val.psz_string[3] );
378 p_sys->b_chroma = VLC_TRUE;
380 if( val.psz_string ) free( val.psz_string );
382 var_Create( p_this, "dshow-fps", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
383 var_Create( p_this, "dshow-tuner-channel",
384 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
385 var_Create( p_this, "dshow-tuner-country",
386 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
387 var_Create( p_this, "dshow-tuner-input",
388 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
390 var_Create( p_this, "dshow-amtuner-mode",
391 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
393 var_Create( p_this, "dshow-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
395 var_Create( p_this, "dshow-video-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
396 var_Create( p_this, "dshow-audio-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
397 var_Create( p_this, "dshow-video-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
398 var_Create( p_this, "dshow-audio-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
400 /* Initialize OLE/COM */
403 /* Initialize some data */
404 p_sys->i_streams = 0;
405 p_sys->pp_streams = 0;
406 p_sys->i_width = i_width;
407 p_sys->i_height = i_height;
408 p_sys->i_chroma = i_chroma;
410 p_sys->p_graph = NULL;
411 p_sys->p_capture_graph_builder2 = NULL;
412 p_sys->p_control = NULL;
414 vlc_mutex_init( p_this, &p_sys->lock );
415 vlc_cond_init( p_this, &p_sys->wait );
417 /* Build directshow graph */
418 CreateDirectShowGraph( p_sys );
420 if( OpenDevice( p_this, p_sys, vdevname, 0 ) != VLC_SUCCESS )
422 msg_Err( p_this, "can't open video");
426 /* Check if we can handle the demuxing ourselves or need to spawn
427 * a demuxer module */
428 dshow_stream_t *p_stream = p_sys->pp_streams[p_sys->i_streams-1];
430 if( p_stream->mt.majortype == MEDIATYPE_Video )
432 if( /* Raw DV stream */
433 p_stream->i_fourcc == VLC_FOURCC('d','v','s','l') ||
434 p_stream->i_fourcc == VLC_FOURCC('d','v','s','d') ||
435 p_stream->i_fourcc == VLC_FOURCC('d','v','h','d') ||
436 /* Raw MPEG video stream */
437 p_stream->i_fourcc == VLC_FOURCC('m','p','2','v') )
443 /* Let the access (only) take care of that */
449 if( p_stream->mt.majortype == MEDIATYPE_Stream )
455 /* Let the access (only) take care of that */
459 var_Get( p_this, "dshow-tuner", &val );
462 /* FIXME: we do MEDIATYPE_Stream here so we don't do
464 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
465 p_stream->p_device_filter, 0 );
470 if( b_audio && OpenDevice( p_this, p_sys, adevname, 1 ) != VLC_SUCCESS )
472 msg_Err( p_this, "can't open audio");
475 for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
477 var_Get( p_this, "dshow-video-input", &val );
479 p_sys->crossbar_routes[i].VideoInputIndex=val.i_int;
480 var_Get( p_this, "dshow-video-output", &val );
482 p_sys->crossbar_routes[i].VideoOutputIndex=val.i_int;
483 var_Get( p_this, "dshow-audio-input", &val );
485 p_sys->crossbar_routes[i].AudioInputIndex=val.i_int;
486 var_Get( p_this, "dshow-audio-output", &val );
488 p_sys->crossbar_routes[i].AudioOutputIndex=val.i_int;
490 IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
491 LONG VideoInputIndex = p_sys->crossbar_routes[i].VideoInputIndex;
492 LONG VideoOutputIndex = p_sys->crossbar_routes[i].VideoOutputIndex;
493 LONG AudioInputIndex = p_sys->crossbar_routes[i].AudioInputIndex;
494 LONG AudioOutputIndex = p_sys->crossbar_routes[i].AudioOutputIndex;
496 if( SUCCEEDED(pXbar->Route(VideoOutputIndex, VideoInputIndex)) )
498 msg_Dbg( p_this, "crossbar at depth %d, routed video "
499 "output %ld to video input %ld", i, VideoOutputIndex,
502 if( AudioOutputIndex != -1 && AudioInputIndex != -1 )
504 if( SUCCEEDED( pXbar->Route(AudioOutputIndex,
507 msg_Dbg(p_this, "crossbar at depth %d, routed audio "
508 "output %ld to audio input %ld", i,
509 AudioOutputIndex, AudioInputIndex );
516 ** Show properties pages from other filters in graph
518 var_Get( p_this, "dshow-config", &val );
521 for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
523 IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
526 if( SUCCEEDED( pXbar->QueryInterface( IID_IBaseFilter,
529 ShowPropertyPage( p_XF );
535 /* Initialize some data */
536 p_sys->i_current_stream = 0;
538 if( !p_sys->i_streams ) return VLC_EGENERIC;
543 /*****************************************************************************
544 * DemuxOpen: open direct show device as an access_demux module
545 *****************************************************************************/
546 static int DemuxOpen( vlc_object_t *p_this )
548 demux_t *p_demux = (demux_t *)p_this;
552 p_sys = (access_sys_t *)malloc( sizeof( access_sys_t ) );
553 memset( p_sys, 0, sizeof( access_sys_t ) );
554 p_demux->p_sys = (demux_sys_t *)p_sys;
556 if( CommonOpen( p_this, p_sys, VLC_TRUE ) != VLC_SUCCESS )
558 CommonClose( p_this, p_sys );
562 /* Everything is ready. Let's rock baby */
563 msg_Dbg( p_this, "Playing...");
564 p_sys->p_control->Run();
566 p_demux->pf_demux = Demux;
567 p_demux->pf_control = DemuxControl;
568 p_demux->info.i_update = 0;
569 p_demux->info.i_title = 0;
570 p_demux->info.i_seekpoint = 0;
572 for( i = 0; i < p_sys->i_streams; i++ )
574 dshow_stream_t *p_stream = p_sys->pp_streams[i];
577 if( p_stream->mt.majortype == MEDIATYPE_Video )
579 es_format_Init( &fmt, VIDEO_ES, p_stream->i_fourcc );
581 fmt.video.i_width = p_stream->header.video.bmiHeader.biWidth;
582 fmt.video.i_height = p_stream->header.video.bmiHeader.biHeight;
583 fmt.video.i_aspect = 4 * VOUT_ASPECT_FACTOR / 3;
585 if( !p_stream->header.video.bmiHeader.biCompression )
587 /* RGB DIB are coded from bottom to top */
588 fmt.video.i_height = (unsigned int)(-(int)fmt.video.i_height);
591 /* Setup rgb mask for RGB formats */
592 if( p_stream->i_fourcc == VLC_FOURCC('R','V','2','4') )
594 /* This is in BGR format */
595 fmt.video.i_bmask = 0x00ff0000;
596 fmt.video.i_gmask = 0x0000ff00;
597 fmt.video.i_rmask = 0x000000ff;
600 if( p_stream->header.video.AvgTimePerFrame )
602 fmt.video.i_frame_rate = 10000000;
603 fmt.video.i_frame_rate_base =
604 p_stream->header.video.AvgTimePerFrame;
607 else if( p_stream->mt.majortype == MEDIATYPE_Audio )
609 es_format_Init( &fmt, AUDIO_ES, p_stream->i_fourcc );
611 fmt.audio.i_channels = p_stream->header.audio.nChannels;
612 fmt.audio.i_rate = p_stream->header.audio.nSamplesPerSec;
613 fmt.audio.i_bitspersample = p_stream->header.audio.wBitsPerSample;
614 fmt.audio.i_blockalign = fmt.audio.i_channels *
615 fmt.audio.i_bitspersample / 8;
616 fmt.i_bitrate = fmt.audio.i_channels * fmt.audio.i_rate *
617 fmt.audio.i_bitspersample;
620 p_stream->p_es = es_out_Add( p_demux->out, &fmt );
626 /*****************************************************************************
627 * AccessOpen: open direct show device as an access module
628 *****************************************************************************/
629 static int AccessOpen( vlc_object_t *p_this )
631 access_t *p_access = (access_t*)p_this;
634 p_access->p_sys = p_sys = (access_sys_t *)malloc( sizeof( access_sys_t ) );
635 memset( p_sys, 0, sizeof( access_sys_t ) );
637 if( CommonOpen( p_this, p_sys, VLC_FALSE ) != VLC_SUCCESS )
639 CommonClose( p_this, p_sys );
643 dshow_stream_t *p_stream = p_sys->pp_streams[0];
645 /* Check if we need to force demuxers */
646 if( !p_access->psz_demux || !*p_access->psz_demux )
648 if( p_stream->i_fourcc == VLC_FOURCC('d','v','s','l') ||
649 p_stream->i_fourcc == VLC_FOURCC('d','v','s','d') ||
650 p_stream->i_fourcc == VLC_FOURCC('d','v','h','d') )
652 p_access->psz_demux = strdup( "rawdv" );
654 else if( p_stream->i_fourcc == VLC_FOURCC('m','p','2','v') )
656 p_access->psz_demux = "mpgv";
661 p_access->pf_read = NULL;
662 p_access->pf_block = ReadCompressed;
663 p_access->pf_control = AccessControl;
664 p_access->pf_seek = NULL;
665 p_access->info.i_update = 0;
666 p_access->info.i_size = 0;
667 p_access->info.i_pos = 0;
668 p_access->info.b_eof = VLC_FALSE;
669 p_access->info.i_title = 0;
670 p_access->info.i_seekpoint = 0;
671 p_access->p_sys = p_sys;
673 /* Everything is ready. Let's rock baby */
674 msg_Dbg( p_this, "Playing...");
675 p_sys->p_control->Run();
680 /*****************************************************************************
681 * CommonClose: close device
682 *****************************************************************************/
683 static void CommonClose( vlc_object_t *p_this, access_sys_t *p_sys )
685 msg_Dbg( p_this, "releasing DirectShow");
687 DeleteDirectShowGraph( p_sys );
689 /* Uninitialize OLE/COM */
692 for( int i = 0; i < p_sys->i_streams; i++ ) delete p_sys->pp_streams[i];
693 if( p_sys->i_streams ) free( p_sys->pp_streams );
695 vlc_mutex_destroy( &p_sys->lock );
696 vlc_cond_destroy( &p_sys->wait );
701 /*****************************************************************************
702 * AccessClose: close device
703 *****************************************************************************/
704 static void AccessClose( vlc_object_t *p_this )
706 access_t *p_access = (access_t *)p_this;
707 access_sys_t *p_sys = p_access->p_sys;
709 /* Stop capturing stuff */
710 p_sys->p_control->Stop();
712 CommonClose( p_this, p_sys );
715 /*****************************************************************************
716 * DemuxClose: close device
717 *****************************************************************************/
718 static void DemuxClose( vlc_object_t *p_this )
720 demux_t *p_demux = (demux_t *)p_this;
721 access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
723 /* Stop capturing stuff */
724 p_sys->p_control->Stop();
726 CommonClose( p_this, p_sys );
729 /****************************************************************************
731 ****************************************************************************/
732 static bool ConnectFilters( vlc_object_t *p_this, access_sys_t *p_sys,
733 IBaseFilter *p_filter,
734 CaptureFilter *p_capture_filter )
736 CapturePin *p_input_pin = p_capture_filter->CustomGetPin();
738 AM_MEDIA_TYPE mediaType = p_input_pin->CustomGetMediaType();
740 if( p_sys->p_capture_graph_builder2 )
742 if( FAILED(p_sys->p_capture_graph_builder2->
743 RenderStream( &PIN_CATEGORY_CAPTURE, &mediaType.majortype,
744 p_filter, 0, (IBaseFilter *)p_capture_filter )) )
749 // Sort out all the possible video inputs
750 // The class needs to be given the capture filters ANALOGVIDEO input pin
752 if( ( mediaType.majortype == MEDIATYPE_Video ||
753 mediaType.majortype == MEDIATYPE_Stream ) &&
754 SUCCEEDED(p_filter->EnumPins(&pins)) )
760 IKsPropertySet *pKs=0;
764 while( !Found && ( S_OK == pins->Next(1, &pP, &n) ) )
766 if( S_OK == pP->QueryPinInfo(&pinInfo) )
768 // is this pin an ANALOGVIDEOIN input pin?
769 if( pinInfo.dir == PINDIR_INPUT &&
770 pP->QueryInterface( IID_IKsPropertySet,
771 (void **)&pKs ) == S_OK )
773 if( pKs->Get( AMPROPSETID_Pin,
774 AMPROPERTY_PIN_CATEGORY, NULL, 0,
775 &guid, sizeof(GUID), &dw ) == S_OK )
777 if( guid == PIN_CATEGORY_ANALOGVIDEOIN )
779 // recursively search crossbar routes
780 FindCrossbarRoutes( p_this, p_sys, pP, 0 );
787 pinInfo.pFilter->Release();
797 IEnumPins *p_enumpins;
800 if( S_OK != p_filter->EnumPins( &p_enumpins ) ) return false;
802 while( S_OK == p_enumpins->Next( 1, &p_pin, NULL ) )
804 PIN_DIRECTION pin_dir;
805 p_pin->QueryDirection( &pin_dir );
807 if( pin_dir == PINDIR_OUTPUT &&
808 p_sys->p_graph->ConnectDirect( p_pin, (IPin *)p_input_pin,
812 p_enumpins->Release();
818 p_enumpins->Release();
824 * get fourcc priority from arbritary preference, the higher the better
826 static int GetFourCCPriority( int i_fourcc )
830 case VLC_FOURCC('I','4','2','0'):
831 case VLC_FOURCC('f','l','3','2'):
833 case VLC_FOURCC('Y','V','1','2'):
834 case VLC_FOURCC('a','r','a','w'):
836 case VLC_FOURCC('R','V','2','4'):
838 case VLC_FOURCC('Y','U','Y','2'):
839 case VLC_FOURCC('R','V','3','2'):
840 case VLC_FOURCC('R','G','B','A'):
847 #define MAX_MEDIA_TYPES 32
849 static int OpenDevice( vlc_object_t *p_this, access_sys_t *p_sys,
850 string devicename, vlc_bool_t b_audio )
852 /* See if device is already opened */
853 for( int i = 0; i < p_sys->i_streams; i++ )
855 if( devicename.size() &&
856 p_sys->pp_streams[i]->devicename == devicename )
863 list<string> list_devices;
865 /* Enumerate devices and display their names */
866 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
868 if( !list_devices.size() )
871 list<string>::iterator iter;
872 for( iter = list_devices.begin(); iter != list_devices.end(); iter++ )
873 msg_Dbg( p_this, "found device: %s", iter->c_str() );
875 /* If no device name was specified, pick the 1st one */
876 if( devicename.size() == 0 )
878 devicename = *list_devices.begin();
881 // Use the system device enumerator and class enumerator to find
882 // a capture/preview device, such as a desktop USB video camera.
883 IBaseFilter *p_device_filter =
884 FindCaptureDevice( p_this, &devicename, 0, b_audio );
885 if( p_device_filter )
886 msg_Dbg( p_this, "using device: %s", devicename.c_str() );
889 msg_Err( p_this, "can't use device: %s, unsupported device type",
890 devicename.c_str() );
891 intf_UserFatal( p_this, VLC_FALSE, _("Capturing failed"),
892 _("VLC cannot use the device \"%s\", because its device "
893 "type is not supported.") );
897 // Retreive acceptable media types supported by device
898 AM_MEDIA_TYPE media_types[MAX_MEDIA_TYPES];
900 EnumDeviceCaps( p_this, p_device_filter, b_audio ? 0 : p_sys->i_chroma,
901 p_sys->i_width, p_sys->i_height,
902 0, 0, 0, media_types, MAX_MEDIA_TYPES );
904 AM_MEDIA_TYPE *mt = NULL;
906 if( media_count > 0 )
908 mt = (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE) * media_count);
910 // Order and copy returned media types according to arbitrary
912 for( size_t c = 0; c < media_count; c++ )
915 GetFourCCPriority(GetFourCCFromMediaType(media_types[c]));
916 size_t slot_copy = c;
917 for( size_t d = c+1; d < media_count; d++ )
920 GetFourCCPriority(GetFourCCFromMediaType(media_types[d]));
921 if( priority > slot_priority )
923 slot_priority = priority;
929 mt[c] = media_types[slot_copy];
930 media_types[slot_copy] = media_types[c];
934 mt[c] = media_types[c];
940 msg_Err( p_this, "capture device '%s' does not support required parameters !", devicename.c_str() );
941 intf_UserFatal( p_this, VLC_FALSE, _("Capturing failed"),
942 _("The capture device \"%s\" does not support the "
943 "required parameters."), devicename.c_str() );
944 p_device_filter->Release();
948 /* Create and add our capture filter */
949 CaptureFilter *p_capture_filter =
950 new CaptureFilter( p_this, p_sys, mt, media_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+1 ); 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);
1119 p_buf[i_convert] = '\0';
1121 if( p_listdevices ) p_listdevices->push_back( p_buf );
1123 if( p_devicename && *p_devicename == string(p_buf) )
1125 /* Bind Moniker to a filter object */
1126 hr = p_moniker->BindToObject( 0, 0, IID_IBaseFilter,
1127 (void **)&p_base_filter );
1130 msg_Err( p_this, "couldn't bind moniker to filter "
1131 "object (0x%lx)", hr );
1132 p_moniker->Release();
1133 p_class_enum->Release();
1136 p_moniker->Release();
1137 p_class_enum->Release();
1138 return p_base_filter;
1143 p_moniker->Release();
1146 p_class_enum->Release();
1150 static size_t EnumDeviceCaps( vlc_object_t *p_this, IBaseFilter *p_filter,
1151 int i_fourcc, int i_width, int i_height,
1152 int i_channels, int i_samplespersec,
1153 int i_bitspersample, AM_MEDIA_TYPE *mt,
1156 IEnumPins *p_enumpins;
1158 IEnumMediaTypes *p_enummt;
1159 size_t mt_count = 0;
1161 LONGLONG i_AvgTimePerFrame = 0;
1162 float r_fps = var_GetFloat( p_this, "dshow-fps" );
1164 i_AvgTimePerFrame = 10000000000LL/(LONGLONG)(r_fps*1000.0f);
1166 if( FAILED(p_filter->EnumPins( &p_enumpins )) )
1168 msg_Dbg( p_this, "EnumDeviceCaps failed: no pin enumeration !");
1172 while( S_OK == p_enumpins->Next( 1, &p_output_pin, NULL ) )
1176 if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1178 msg_Dbg( p_this, "EnumDeviceCaps: %s pin: %S",
1179 info.dir == PINDIR_INPUT ? "input" : "output",
1181 if( info.pFilter ) info.pFilter->Release();
1184 p_output_pin->Release();
1187 p_enumpins->Reset();
1189 while( !mt_count && p_enumpins->Next( 1, &p_output_pin, NULL ) == S_OK )
1193 if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1195 if( info.pFilter ) info.pFilter->Release();
1196 if( info.dir == PINDIR_INPUT )
1198 p_output_pin->Release();
1201 msg_Dbg( p_this, "EnumDeviceCaps: trying pin %S", info.achName );
1204 AM_MEDIA_TYPE *p_mt;
1207 ** Configure pin with a default compatible media if possible
1210 IAMStreamConfig *pSC;
1211 if( SUCCEEDED(p_output_pin->QueryInterface( IID_IAMStreamConfig,
1214 int piCount, piSize;
1215 if( SUCCEEDED(pSC->GetNumberOfCapabilities(&piCount, &piSize)) )
1217 BYTE *pSCC= (BYTE *)CoTaskMemAlloc(piSize);
1220 int i_priority = -1;
1221 for( int i=0; i<piCount; ++i )
1223 if( SUCCEEDED(pSC->GetStreamCaps(i, &p_mt, pSCC)) )
1225 int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1226 int i_current_priority = GetFourCCPriority(i_current_fourcc);
1228 if( (i_fourcc && (i_current_fourcc != i_fourcc))
1229 || (i_priority > i_current_priority) )
1231 // unwanted chroma, try next media type
1232 FreeMediaType( *p_mt );
1233 CoTaskMemFree( (PVOID)p_mt );
1237 if( MEDIATYPE_Video == p_mt->majortype
1238 && FORMAT_VideoInfo == p_mt->formattype )
1240 VIDEO_STREAM_CONFIG_CAPS *pVSCC = reinterpret_cast<VIDEO_STREAM_CONFIG_CAPS*>(pSCC);
1241 VIDEOINFOHEADER *pVih = reinterpret_cast<VIDEOINFOHEADER*>(p_mt->pbFormat);
1243 if( i_AvgTimePerFrame )
1245 if( pVSCC->MinFrameInterval > i_AvgTimePerFrame
1246 || i_AvgTimePerFrame > pVSCC->MaxFrameInterval )
1248 // required frame rate not compatible, try next media type
1249 FreeMediaType( *p_mt );
1250 CoTaskMemFree( (PVOID)p_mt );
1253 pVih->AvgTimePerFrame = i_AvgTimePerFrame;
1258 if( i_width % pVSCC->OutputGranularityX
1259 || pVSCC->MinOutputSize.cx > i_width
1260 || i_width > pVSCC->MaxOutputSize.cx )
1262 // required width not compatible, try next media type
1263 FreeMediaType( *p_mt );
1264 CoTaskMemFree( (PVOID)p_mt );
1267 pVih->bmiHeader.biWidth = i_width;
1272 if( i_height % pVSCC->OutputGranularityY
1273 || pVSCC->MinOutputSize.cy > i_height
1274 || i_height > pVSCC->MaxOutputSize.cy )
1276 // required height not compatible, try next media type
1277 FreeMediaType( *p_mt );
1278 CoTaskMemFree( (PVOID)p_mt );
1281 pVih->bmiHeader.biHeight = i_height;
1284 // Set the sample size and image size.
1285 // (Round the image width up to a DWORD boundary.)
1286 p_mt->lSampleSize = pVih->bmiHeader.biSizeImage =
1287 ((pVih->bmiHeader.biWidth + 3) & ~3) *
1288 pVih->bmiHeader.biHeight * (pVih->bmiHeader.biBitCount>>3);
1290 // no cropping, use full video input buffer
1291 memset(&(pVih->rcSource), 0, sizeof(RECT));
1292 memset(&(pVih->rcTarget), 0, sizeof(RECT));
1294 // select this format as default
1295 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1297 i_priority = i_current_priority;
1299 // no need to check any more media types
1303 else if( p_mt->majortype == MEDIATYPE_Audio
1304 && p_mt->formattype == FORMAT_WaveFormatEx )
1306 AUDIO_STREAM_CONFIG_CAPS *pASCC = reinterpret_cast<AUDIO_STREAM_CONFIG_CAPS*>(pSCC);
1307 WAVEFORMATEX *pWfx = reinterpret_cast<WAVEFORMATEX*>(p_mt->pbFormat);
1309 if( i_current_fourcc && (WAVE_FORMAT_PCM == pWfx->wFormatTag) )
1311 int val = i_channels;
1315 if( val % pASCC->ChannelsGranularity
1316 || (unsigned int)val < pASCC->MinimumChannels
1317 || (unsigned int)val > pASCC->MaximumChannels )
1319 // required number channels not available, try next media type
1320 FreeMediaType( *p_mt );
1321 CoTaskMemFree( (PVOID)p_mt );
1324 pWfx->nChannels = val;
1326 val = i_samplespersec;
1330 if( val % pASCC->SampleFrequencyGranularity
1331 || (unsigned int)val < pASCC->MinimumSampleFrequency
1332 || (unsigned int)val > pASCC->MaximumSampleFrequency )
1334 // required sampling rate not available, try next media type
1335 FreeMediaType( *p_mt );
1336 CoTaskMemFree( (PVOID)p_mt );
1339 pWfx->nSamplesPerSec = val;
1341 val = i_bitspersample;
1344 if( VLC_FOURCC('f', 'l', '3', '2') == i_current_fourcc )
1350 if( val % pASCC->BitsPerSampleGranularity
1351 || (unsigned int)val < pASCC->MinimumBitsPerSample
1352 || (unsigned int)val > pASCC->MaximumBitsPerSample )
1354 // required sample size not available, try next media type
1355 FreeMediaType( *p_mt );
1356 CoTaskMemFree( (PVOID)p_mt );
1360 pWfx->wBitsPerSample = val;
1361 pWfx->nBlockAlign = (pWfx->wBitsPerSample * pWfx->nChannels)/8;
1362 pWfx->nAvgBytesPerSec = pWfx->nSamplesPerSec * pWfx->nBlockAlign;
1364 // select this format as default
1365 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1367 i_priority = i_current_priority;
1371 FreeMediaType( *p_mt );
1372 CoTaskMemFree( (PVOID)p_mt );
1375 CoTaskMemFree( (LPVOID)pSCC );
1376 if( i_priority >= 0 )
1377 msg_Dbg( p_this, "EnumDeviceCaps: input pin default format configured");
1384 ** Probe pin for available medias (may be a previously configured one)
1387 if( FAILED( p_output_pin->EnumMediaTypes( &p_enummt ) ) )
1389 p_output_pin->Release();
1393 while( p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1395 int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1396 if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Video
1397 && p_mt->formattype == FORMAT_VideoInfo )
1399 int i_current_width = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1400 int i_current_height = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1401 LONGLONG i_current_atpf = ((VIDEOINFOHEADER *)p_mt->pbFormat)->AvgTimePerFrame;
1403 if( i_current_height < 0 )
1404 i_current_height = -i_current_height;
1406 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1407 "accepts chroma: %4.4s, width:%i, height:%i, fps:%f",
1408 (char *)&i_current_fourcc, i_current_width,
1409 i_current_height, (10000000.0f/((float)i_current_atpf)) );
1411 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1412 ( !i_width || i_width == i_current_width ) &&
1413 ( !i_height || i_height == i_current_height ) &&
1414 ( !i_AvgTimePerFrame || i_AvgTimePerFrame == i_current_atpf ) &&
1418 mt[mt_count++] = *p_mt;
1420 else FreeMediaType( *p_mt );
1422 else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Audio
1423 && p_mt->formattype == FORMAT_WaveFormatEx)
1425 int i_current_channels =
1426 ((WAVEFORMATEX *)p_mt->pbFormat)->nChannels;
1427 int i_current_samplespersec =
1428 ((WAVEFORMATEX *)p_mt->pbFormat)->nSamplesPerSec;
1429 int i_current_bitspersample =
1430 ((WAVEFORMATEX *)p_mt->pbFormat)->wBitsPerSample;
1432 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1433 "accepts format: %4.4s, channels:%i, "
1434 "samples/sec:%i bits/sample:%i",
1435 (char *)&i_current_fourcc, i_current_channels,
1436 i_current_samplespersec, i_current_bitspersample);
1438 if( (!i_channels || i_channels == i_current_channels) &&
1439 (!i_samplespersec ||
1440 i_samplespersec == i_current_samplespersec) &&
1441 (!i_bitspersample ||
1442 i_bitspersample == i_current_bitspersample) &&
1446 mt[mt_count++] = *p_mt;
1448 /* Setup a few properties like the audio latency */
1449 IAMBufferNegotiation *p_ambuf;
1450 if( SUCCEEDED( p_output_pin->QueryInterface(
1451 IID_IAMBufferNegotiation, (void **)&p_ambuf ) ) )
1453 ALLOCATOR_PROPERTIES AllocProp;
1454 AllocProp.cbAlign = -1;
1456 /* 100 ms of latency */
1457 AllocProp.cbBuffer = i_current_channels *
1458 i_current_samplespersec *
1459 i_current_bitspersample / 8 / 10;
1461 AllocProp.cbPrefix = -1;
1462 AllocProp.cBuffers = -1;
1463 p_ambuf->SuggestAllocatorProperties( &AllocProp );
1467 else FreeMediaType( *p_mt );
1469 else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Stream )
1471 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1472 "accepts stream format: %4.4s",
1473 (char *)&i_current_fourcc );
1475 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1479 mt[mt_count++] = *p_mt;
1480 i_fourcc = i_current_fourcc;
1482 else FreeMediaType( *p_mt );
1486 char *psz_type = "unknown";
1487 if( p_mt->majortype == MEDIATYPE_Video ) psz_type = "video";
1488 if( p_mt->majortype == MEDIATYPE_Audio ) psz_type = "audio";
1489 if( p_mt->majortype == MEDIATYPE_Stream ) psz_type = "stream";
1490 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: unsupported format "
1491 "(%s %4.4s)", psz_type, (char *)&p_mt->subtype );
1493 FreeMediaType( *p_mt );
1495 CoTaskMemFree( (PVOID)p_mt );
1498 if( !mt_count && p_enummt->Reset() == S_OK )
1500 // VLC did not find any supported MEDIATYPE for this output pin.
1501 // However the graph builder might insert converter filters in
1502 // the graph if we use a different codec in VLC filter input pin.
1503 // however, in order to avoid nasty surprises, make use of this
1504 // facility only for known unsupported codecs.
1506 while( !mt_count && p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1508 // the first four bytes of subtype GUID contains the codec FOURCC
1509 const char *pfcc = (char *)&p_mt->subtype;
1510 int i_current_fourcc = VLC_FOURCC(pfcc[0], pfcc[1], pfcc[2], pfcc[3]);
1511 if( VLC_FOURCC('H','C','W','2') == i_current_fourcc
1512 && p_mt->majortype == MEDIATYPE_Video )
1514 // output format for 'Hauppauge WinTV PVR PCI II Capture'
1515 // try I420 as an input format
1516 i_current_fourcc = VLC_FOURCC('I','4','2','0');
1517 if( !i_fourcc || i_fourcc == i_current_fourcc )
1519 // return alternative media type
1523 mtr.majortype = MEDIATYPE_Video;
1524 mtr.subtype = MEDIASUBTYPE_I420;
1525 mtr.bFixedSizeSamples = TRUE;
1526 mtr.bTemporalCompression = FALSE;
1528 mtr.formattype = FORMAT_VideoInfo;
1529 mtr.cbFormat = sizeof(vh);
1530 mtr.pbFormat = (BYTE *)&vh;
1532 memset(&vh, 0, sizeof(vh));
1534 vh.bmiHeader.biSize = sizeof(vh.bmiHeader);
1535 vh.bmiHeader.biWidth = i_width > 0 ? i_width :
1536 ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1537 vh.bmiHeader.biHeight = i_height > 0 ? i_height :
1538 ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1539 vh.bmiHeader.biPlanes = 3;
1540 vh.bmiHeader.biBitCount = 12;
1541 vh.bmiHeader.biCompression = VLC_FOURCC('I','4','2','0');
1542 vh.bmiHeader.biSizeImage = vh.bmiHeader.biWidth * 12 *
1543 vh.bmiHeader.biHeight / 8;
1544 mtr.lSampleSize = vh.bmiHeader.biSizeImage;
1546 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: using 'I420' in place of unsupported format 'HCW2'");
1548 if( SUCCEEDED(CopyMediaType(mt+mt_count, &mtr)) )
1552 FreeMediaType( *p_mt );
1556 p_enummt->Release();
1557 p_output_pin->Release();
1560 p_enumpins->Release();
1564 /*****************************************************************************
1565 * ReadCompressed: reads compressed (MPEG/DV) data from the device.
1566 *****************************************************************************
1567 * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
1569 *****************************************************************************/
1570 static block_t *ReadCompressed( access_t *p_access )
1572 access_sys_t *p_sys = p_access->p_sys;
1573 dshow_stream_t *p_stream = NULL;
1574 VLCMediaSample sample;
1576 /* Read 1 DV/MPEG frame (they contain the video and audio data) */
1578 /* There must be only 1 elementary stream to produce a valid stream
1579 * of MPEG or DV data */
1580 p_stream = p_sys->pp_streams[0];
1584 if( p_access->b_die || p_access->b_error ) return 0;
1586 /* Get new sample/frame from the elementary stream (blocking). */
1587 vlc_mutex_lock( &p_sys->lock );
1589 if( p_stream->p_capture_filter->CustomGetPin()
1590 ->CustomGetSample( &sample ) != S_OK )
1592 /* No data available. Wait until some data has arrived */
1593 vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1594 vlc_mutex_unlock( &p_sys->lock );
1598 vlc_mutex_unlock( &p_sys->lock );
1605 int i_data_size = sample.p_sample->GetActualDataLength();
1607 if( !i_data_size || !(p_block = block_New( p_access, i_data_size )) )
1609 sample.p_sample->Release();
1613 sample.p_sample->GetPointer( &p_data );
1614 p_access->p_libvlc->pf_memcpy( p_block->p_buffer, p_data, i_data_size );
1615 sample.p_sample->Release();
1617 /* The caller got what he wanted */
1621 return 0; /* never reached */
1624 /****************************************************************************
1626 ****************************************************************************/
1627 static int Demux( demux_t *p_demux )
1629 access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
1630 dshow_stream_t *p_stream = NULL;
1631 VLCMediaSample sample;
1632 int i_data_size, i_stream;
1636 vlc_mutex_lock( &p_sys->lock );
1638 /* Try to grab an audio sample (audio has a higher priority) */
1639 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1641 p_stream = p_sys->pp_streams[i_stream];
1642 if( p_stream->mt.majortype == MEDIATYPE_Audio &&
1643 p_stream->p_capture_filter &&
1644 p_stream->p_capture_filter->CustomGetPin()
1645 ->CustomGetSample( &sample ) == S_OK )
1650 /* Try to grab a video sample */
1651 if( i_stream == p_sys->i_streams )
1653 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1655 p_stream = p_sys->pp_streams[i_stream];
1656 if( p_stream->p_capture_filter &&
1657 p_stream->p_capture_filter->CustomGetPin()
1658 ->CustomGetSample( &sample ) == S_OK )
1665 vlc_mutex_unlock( &p_sys->lock );
1667 if( i_stream == p_sys->i_streams )
1669 /* Sleep so we do not consume all the cpu, 10ms seems
1670 * like a good value (100fps) */
1678 i_data_size = sample.p_sample->GetActualDataLength();
1679 sample.p_sample->GetPointer( &p_data );
1681 REFERENCE_TIME i_pts, i_end_date;
1682 HRESULT hr = sample.p_sample->GetTime( &i_pts, &i_end_date );
1683 if( hr != VFW_S_NO_STOP_TIME && hr != S_OK ) i_pts = 0;
1687 if( p_stream->mt.majortype == MEDIATYPE_Video || !p_stream->b_pts )
1689 /* Use our data timestamp */
1690 i_pts = sample.i_timestamp;
1691 p_stream->b_pts = VLC_TRUE;
1695 i_pts /= 10; /* Dshow works with 100 nano-seconds resolution */
1698 msg_Dbg( p_demux, "Read() stream: %i, size: %i, PTS: "I64Fd,
1699 i_stream, i_data_size, i_pts );
1702 p_block = block_New( p_demux, i_data_size );
1703 p_demux->p_libvlc->pf_memcpy( p_block->p_buffer, p_data, i_data_size );
1704 p_block->i_pts = p_block->i_dts = i_pts;
1705 sample.p_sample->Release();
1707 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_pts > 0 ? i_pts : 0 );
1708 es_out_Send( p_demux->out, p_stream->p_es, p_block );
1713 /*****************************************************************************
1715 *****************************************************************************/
1716 static int AccessControl( access_t *p_access, int i_query, va_list args )
1718 vlc_bool_t *pb_bool;
1725 case ACCESS_CAN_SEEK:
1726 case ACCESS_CAN_FASTSEEK:
1727 case ACCESS_CAN_PAUSE:
1728 case ACCESS_CAN_CONTROL_PACE:
1729 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
1730 *pb_bool = VLC_FALSE;
1734 case ACCESS_GET_MTU:
1735 pi_int = (int*)va_arg( args, int * );
1739 case ACCESS_GET_PTS_DELAY:
1740 pi_64 = (int64_t*)va_arg( args, int64_t * );
1741 *pi_64 = (int64_t)var_GetInteger( p_access, "dshow-caching" ) * 1000;
1745 case ACCESS_SET_PAUSE_STATE:
1746 case ACCESS_GET_TITLE_INFO:
1747 case ACCESS_SET_TITLE:
1748 case ACCESS_SET_SEEKPOINT:
1749 case ACCESS_SET_PRIVATE_ID_STATE:
1750 return VLC_EGENERIC;
1753 msg_Warn( p_access, "unimplemented query in control" );
1754 return VLC_EGENERIC;
1760 /****************************************************************************
1762 ****************************************************************************/
1763 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
1770 /* Special for access_demux */
1771 case DEMUX_CAN_PAUSE:
1772 case DEMUX_SET_PAUSE_STATE:
1773 case DEMUX_CAN_CONTROL_PACE:
1774 pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
1778 case DEMUX_GET_PTS_DELAY:
1779 pi64 = (int64_t*)va_arg( args, int64_t * );
1780 *pi64 = (int64_t)var_GetInteger( p_demux, "dshow-caching" ) * 1000;
1783 case DEMUX_GET_TIME:
1784 pi64 = (int64_t*)va_arg( args, int64_t * );
1788 /* TODO implement others */
1790 return VLC_EGENERIC;
1793 return VLC_EGENERIC;
1796 /*****************************************************************************
1797 * config variable callback
1798 *****************************************************************************/
1799 static int FindDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1800 vlc_value_t newval, vlc_value_t oldval, void * )
1802 module_config_t *p_item;
1803 vlc_bool_t b_audio = VLC_FALSE;
1806 p_item = config_FindConfig( p_this, psz_name );
1807 if( !p_item ) return VLC_SUCCESS;
1809 if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = VLC_TRUE;
1811 /* Clear-up the current list */
1812 if( p_item->i_list )
1814 /* Keep the 2 first entries */
1815 for( i = 2; i < p_item->i_list; i++ )
1817 free( const_cast<char *>(p_item->ppsz_list[i]) );
1818 free( const_cast<char *>(p_item->ppsz_list_text[i]) );
1820 /* TODO: Remove when no more needed */
1821 p_item->ppsz_list[i] = NULL;
1822 p_item->ppsz_list_text[i] = NULL;
1826 /* Find list of devices */
1827 list<string> list_devices;
1829 /* Initialize OLE/COM */
1832 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1834 /* Uninitialize OLE/COM */
1837 if( !list_devices.size() ) return VLC_SUCCESS;
1840 (const char **)realloc( p_item->ppsz_list,
1841 (list_devices.size()+3) * sizeof(char *) );
1842 p_item->ppsz_list_text =
1843 (const char **)realloc( p_item->ppsz_list_text,
1844 (list_devices.size()+3) * sizeof(char *) );
1846 list<string>::iterator iter;
1847 for( iter = list_devices.begin(), i = 2; iter != list_devices.end();
1850 p_item->ppsz_list[i] = strdup( iter->c_str() );
1851 p_item->ppsz_list_text[i] = NULL;
1854 p_item->ppsz_list[i] = NULL;
1855 p_item->ppsz_list_text[i] = NULL;
1857 /* Signal change to the interface */
1858 p_item->b_dirty = VLC_TRUE;
1863 static int ConfigDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1864 vlc_value_t newval, vlc_value_t oldval, void * )
1866 module_config_t *p_item;
1867 vlc_bool_t b_audio = VLC_FALSE;
1869 /* Initialize OLE/COM */
1872 p_item = config_FindConfig( p_this, psz_name );
1873 if( !p_item ) return VLC_SUCCESS;
1875 if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = VLC_TRUE;
1879 if( newval.psz_string && *newval.psz_string )
1881 devicename = newval.psz_string;
1885 /* If no device name was specified, pick the 1st one */
1886 list<string> list_devices;
1888 /* Enumerate devices */
1889 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1890 if( !list_devices.size() ) return VLC_EGENERIC;
1891 devicename = *list_devices.begin();
1894 IBaseFilter *p_device_filter =
1895 FindCaptureDevice( p_this, &devicename, NULL, b_audio );
1896 if( p_device_filter )
1898 ShowPropertyPage( p_device_filter );
1899 p_device_filter->Release();
1903 /* Uninitialize OLE/COM */
1906 msg_Err( p_this, "didn't find device: %s", devicename.c_str() );
1907 return VLC_EGENERIC;
1910 /* Uninitialize OLE/COM */
1916 /*****************************************************************************
1918 *****************************************************************************/
1919 static void ShowPropertyPage( IUnknown *obj )
1921 ISpecifyPropertyPages *p_spec;
1924 HRESULT hr = obj->QueryInterface( IID_ISpecifyPropertyPages,
1926 if( FAILED(hr) ) return;
1928 if( SUCCEEDED(p_spec->GetPages( &cauuid )) )
1930 if( cauuid.cElems > 0 )
1932 HWND hwnd_desktop = ::GetDesktopWindow();
1934 OleCreatePropertyFrame( hwnd_desktop, 30, 30, NULL, 1, &obj,
1935 cauuid.cElems, cauuid.pElems, 0, 0, NULL );
1937 CoTaskMemFree( cauuid.pElems );
1943 static void ShowDeviceProperties( vlc_object_t *p_this,
1944 ICaptureGraphBuilder2 *p_graph,
1945 IBaseFilter *p_device_filter,
1946 vlc_bool_t b_audio )
1949 msg_Dbg( p_this, "configuring Device Properties" );
1952 * Video or audio capture filter page
1954 ShowPropertyPage( p_device_filter );
1959 if( p_graph && b_audio )
1961 IAMStreamConfig *p_SC;
1963 msg_Dbg( p_this, "showing WDM Audio Configuration Pages" );
1965 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1966 &MEDIATYPE_Audio, p_device_filter,
1967 IID_IAMStreamConfig, (void **)&p_SC );
1970 ShowPropertyPage(p_SC);
1978 HRESULT hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1979 &MEDIATYPE_Audio, p_device_filter,
1980 IID_IAMTVAudio, (void **)&p_TVA );
1983 ShowPropertyPage(p_TVA);
1991 if( p_graph && !b_audio )
1993 IAMStreamConfig *p_SC;
1995 msg_Dbg( p_this, "showing WDM Video Configuration Pages" );
1997 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1998 &MEDIATYPE_Interleaved, p_device_filter,
1999 IID_IAMStreamConfig, (void **)&p_SC );
2002 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2003 &MEDIATYPE_Video, p_device_filter,
2004 IID_IAMStreamConfig, (void **)&p_SC );
2009 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2010 &MEDIATYPE_Stream, p_device_filter,
2011 IID_IAMStreamConfig, (void **)&p_SC );
2016 ShowPropertyPage(p_SC);
2022 static void ShowTunerProperties( vlc_object_t *p_this,
2023 ICaptureGraphBuilder2 *p_graph,
2024 IBaseFilter *p_device_filter,
2025 vlc_bool_t b_audio )
2028 msg_Dbg( p_this, "configuring Tuner Properties" );
2030 if( !p_graph || b_audio ) return;
2033 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2034 &MEDIATYPE_Interleaved, p_device_filter,
2035 IID_IAMTVTuner, (void **)&p_TV );
2038 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2039 &MEDIATYPE_Video, p_device_filter,
2040 IID_IAMTVTuner, (void **)&p_TV );
2045 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2046 &MEDIATYPE_Stream, p_device_filter,
2047 IID_IAMTVTuner, (void **)&p_TV );
2052 ShowPropertyPage(p_TV);
2057 static void ConfigTuner( vlc_object_t *p_this, ICaptureGraphBuilder2 *p_graph,
2058 IBaseFilter *p_device_filter )
2060 int i_channel, i_country, i_input, i_amtuner_mode;
2065 if( !p_graph ) return;
2067 i_channel = var_GetInteger( p_this, "dshow-tuner-channel" );
2068 i_country = var_GetInteger( p_this, "dshow-tuner-country" );
2069 i_input = var_GetInteger( p_this, "dshow-tuner-input" );
2070 i_amtuner_mode = var_GetInteger( p_this, "dshow-amtuner-mode" );
2072 if( !i_channel && !i_country && !i_input ) return; /* Nothing to do */
2074 msg_Dbg( p_this, "tuner config: channel %i, country %i, input type %i",
2075 i_channel, i_country, i_input );
2077 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Interleaved,
2078 p_device_filter, IID_IAMTVTuner,
2082 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video,
2083 p_device_filter, IID_IAMTVTuner,
2089 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Stream,
2090 p_device_filter, IID_IAMTVTuner,
2096 msg_Dbg( p_this, "couldn't find tuner interface" );
2100 hr = p_TV->GetAvailableModes( &l_modes );
2101 if( SUCCEEDED(hr) && (l_modes & i_amtuner_mode) )
2103 hr = p_TV->put_Mode( (AMTunerModeType)i_amtuner_mode );
2106 if( i_input == 1 ) p_TV->put_InputType( 0, TunerInputCable );
2107 else if( i_input == 2 ) p_TV->put_InputType( 0, TunerInputAntenna );
2109 p_TV->put_CountryCode( i_country );
2110 p_TV->put_Channel( i_channel, AMTUNER_SUBCHAN_NO_TUNE,
2111 AMTUNER_SUBCHAN_NO_TUNE );