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 #define __STDC_CONSTANT_MACROS 1
34 #define __STDC_FORMAT_MACROS 1
37 #include <vlc_common.h>
38 #include <vlc_plugin.h>
39 #include <vlc_input.h>
40 #include <vlc_access.h>
41 #include <vlc_demux.h>
42 #include <vlc_dialog.h>
43 #include <vlc_charset.h>
48 /*****************************************************************************
49 * Access: local prototypes
50 *****************************************************************************/
51 static block_t *ReadCompressed( access_t * );
52 static int AccessControl ( access_t *, int, va_list );
54 static int Demux ( demux_t * );
55 static int DemuxControl( demux_t *, int, va_list );
57 static int OpenDevice( vlc_object_t *, access_sys_t *, string, bool );
58 static IBaseFilter *FindCaptureDevice( vlc_object_t *, string *,
59 list<string> *, bool );
60 static size_t EnumDeviceCaps( vlc_object_t *, IBaseFilter *,
61 int, int, int, int, int, int,
62 AM_MEDIA_TYPE *mt, size_t );
63 static bool ConnectFilters( vlc_object_t *, access_sys_t *,
64 IBaseFilter *, CaptureFilter * );
65 static int FindDevicesCallback( vlc_object_t *, char const *,
66 vlc_value_t, vlc_value_t, void * );
67 static int ConfigDevicesCallback( vlc_object_t *, char const *,
68 vlc_value_t, vlc_value_t, void * );
70 static void ShowPropertyPage( IUnknown * );
71 static void ShowDeviceProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
72 IBaseFilter *, bool );
73 static void ShowTunerProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
74 IBaseFilter *, bool );
75 static void ConfigTuner( vlc_object_t *, ICaptureGraphBuilder2 *,
78 /*****************************************************************************
80 *****************************************************************************/
81 static const char *const ppsz_vdev[] = { "", "none" };
82 static const char *const ppsz_vdev_text[] = { N_("Default"), N_("None") };
83 static const char *const ppsz_adev[] = { "", "none" };
84 static const char *const ppsz_adev_text[] = { N_("Default"), N_("None") };
85 static const int pi_tuner_input[] = { 0, 1, 2 };
86 static const char *const ppsz_tuner_input_text[] =
87 {N_("Default"), N_("Cable"), N_("Antenna")};
88 static const int pi_amtuner_mode[] = { AMTUNER_MODE_DEFAULT,
90 AMTUNER_MODE_FM_RADIO,
91 AMTUNER_MODE_AM_RADIO,
93 static const char *const ppsz_amtuner_mode_text[] = { N_("Default"),
99 #define CACHING_TEXT N_("Caching value in ms")
100 #define CACHING_LONGTEXT N_( \
101 "Caching value for DirectShow streams. " \
102 "This value should be set in milliseconds." )
103 #define VDEV_TEXT N_("Video device name")
104 #define VDEV_LONGTEXT N_( \
105 "Name of the video device that will be used by the " \
106 "DirectShow plugin. If you don't specify anything, the default device " \
108 #define ADEV_TEXT N_("Audio device name")
109 #define ADEV_LONGTEXT N_( \
110 "Name of the audio device that will be used by the " \
111 "DirectShow plugin. If you don't specify anything, the default device " \
113 #define SIZE_TEXT N_("Video size")
114 #define SIZE_LONGTEXT N_( \
115 "Size of the video that will be displayed by the " \
116 "DirectShow plugin. If you don't specify anything the default size for " \
117 "your device will be used. You can specify a standard size (cif, d1, ...) or <width>x<height>.")
118 #define ASPECT_TEXT N_("Picture aspect-ratio n:m")
119 #define ASPECT_LONGTEXT N_("Define input picture aspect-ratio to use. Default is 4:3" )
120 #define CHROMA_TEXT N_("Video input chroma format")
121 #define CHROMA_LONGTEXT N_( \
122 "Force the DirectShow video input to use a specific chroma format " \
123 "(eg. I420 (default), RV24, etc.)")
124 #define FPS_TEXT N_("Video input frame rate")
125 #define FPS_LONGTEXT N_( \
126 "Force the DirectShow video input to use a specific frame rate" \
127 "(eg. 0 means default, 25, 29.97, 50, 59.94, etc.)")
128 #define CONFIG_TEXT N_("Device properties")
129 #define CONFIG_LONGTEXT N_( \
130 "Show the properties dialog of the selected device before starting the " \
132 #define TUNER_TEXT N_("Tuner properties")
133 #define TUNER_LONGTEXT N_( \
134 "Show the tuner properties [channel selection] page." )
135 #define CHANNEL_TEXT N_("Tuner TV Channel")
136 #define CHANNEL_LONGTEXT N_( \
137 "Set the TV channel the tuner will set to " \
138 "(0 means default)." )
139 #define COUNTRY_TEXT N_("Tuner country code")
140 #define COUNTRY_LONGTEXT N_( \
141 "Set the tuner country code that establishes the current " \
142 "channel-to-frequency mapping (0 means default)." )
143 #define TUNER_INPUT_TEXT N_("Tuner input type")
144 #define TUNER_INPUT_LONGTEXT N_( \
145 "Select the tuner input type (Cable/Antenna)." )
146 #define VIDEO_IN_TEXT N_("Video input pin")
147 #define VIDEO_IN_LONGTEXT N_( \
148 "Select the video input source, such as composite, s-video, " \
149 "or tuner. Since these settings are hardware-specific, you should find good " \
150 "settings in the \"Device config\" area, and use those numbers here. -1 " \
151 "means that settings will not be changed.")
152 #define AUDIO_IN_TEXT N_("Audio input pin")
153 #define AUDIO_IN_LONGTEXT N_( \
154 "Select the audio input source. See the \"video input\" option." )
155 #define VIDEO_OUT_TEXT N_("Video output pin")
156 #define VIDEO_OUT_LONGTEXT N_( \
157 "Select the video output type. See the \"video input\" option." )
158 #define AUDIO_OUT_TEXT N_("Audio output pin")
159 #define AUDIO_OUT_LONGTEXT N_( \
160 "Select the audio output type. See the \"video input\" option." )
162 #define AMTUNER_MODE_TEXT N_("AM Tuner mode")
163 #define AMTUNER_MODE_LONGTEXT N_( \
164 "AM Tuner mode. Can be one of Default (0), TV (1)," \
165 "AM Radio (2), FM Radio (3) or DSS (4).")
167 #define AUDIO_CHANNELS_TEXT N_("Number of audio channels")
168 #define AUDIO_CHANNELS_LONGTEXT N_( \
169 "Select audio input format with the given number of audio channels (if non 0)" )
171 #define AUDIO_SAMPLERATE_TEXT N_("Audio sample rate")
172 #define AUDIO_SAMPLERATE_LONGTEXT N_( \
173 "Select audio input format with the given sample rate (if non 0)" )
175 #define AUDIO_BITSPERSAMPLE_TEXT N_("Audio bits per sample")
176 #define AUDIO_BITSPERSAMPLE_LONGTEXT N_( \
177 "Select audio input format with the given bits/sample (if non 0)" )
179 static int CommonOpen ( vlc_object_t *, access_sys_t *, bool );
180 static void CommonClose( vlc_object_t *, access_sys_t * );
182 static int AccessOpen ( vlc_object_t * );
183 static void AccessClose( vlc_object_t * );
185 static int DemuxOpen ( vlc_object_t * );
186 static void DemuxClose ( vlc_object_t * );
189 set_shortname( N_("DirectShow") )
190 set_description( N_("DirectShow input") )
191 set_category( CAT_INPUT )
192 set_subcategory( SUBCAT_INPUT_ACCESS )
193 add_integer( "dshow-caching", (mtime_t)(0.2*CLOCK_FREQ) / 1000, NULL,
194 CACHING_TEXT, CACHING_LONGTEXT, true )
196 add_string( "dshow-vdev", NULL, NULL, VDEV_TEXT, VDEV_LONGTEXT, false)
197 change_string_list( ppsz_vdev, ppsz_vdev_text, FindDevicesCallback )
198 change_action_add( FindDevicesCallback, N_("Refresh list") )
199 change_action_add( ConfigDevicesCallback, N_("Configure") )
201 add_string( "dshow-adev", NULL, NULL, ADEV_TEXT, ADEV_LONGTEXT, false)
202 change_string_list( ppsz_adev, ppsz_adev_text, FindDevicesCallback )
203 change_action_add( FindDevicesCallback, N_("Refresh list") )
204 change_action_add( ConfigDevicesCallback, N_("Configure") )
206 add_string( "dshow-size", NULL, NULL, SIZE_TEXT, SIZE_LONGTEXT, false)
208 add_string( "dshow-aspect-ratio", "4:3", NULL, ASPECT_TEXT, ASPECT_LONGTEXT, false)
210 add_string( "dshow-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT, true )
212 add_float( "dshow-fps", 0.0f, NULL, FPS_TEXT, FPS_LONGTEXT, true )
214 add_bool( "dshow-config", false, NULL, CONFIG_TEXT, CONFIG_LONGTEXT, true )
216 add_bool( "dshow-tuner", false, NULL, TUNER_TEXT, TUNER_LONGTEXT, true )
218 add_integer( "dshow-tuner-channel", 0, NULL, CHANNEL_TEXT, CHANNEL_LONGTEXT,
221 add_integer( "dshow-tuner-country", 0, NULL, COUNTRY_TEXT, COUNTRY_LONGTEXT,
224 add_integer( "dshow-tuner-input", 0, NULL, TUNER_INPUT_TEXT,
225 TUNER_INPUT_LONGTEXT, true )
226 change_integer_list( pi_tuner_input, ppsz_tuner_input_text, NULL )
228 add_integer( "dshow-video-input", -1, NULL, VIDEO_IN_TEXT,
229 VIDEO_IN_LONGTEXT, true )
231 add_integer( "dshow-video-output", -1, NULL, VIDEO_OUT_TEXT,
232 VIDEO_OUT_LONGTEXT, true )
234 add_integer( "dshow-audio-input", -1, NULL, AUDIO_IN_TEXT,
235 AUDIO_IN_LONGTEXT, true )
237 add_integer( "dshow-audio-output", -1, NULL, AUDIO_OUT_TEXT,
238 AUDIO_OUT_LONGTEXT, true )
240 add_integer( "dshow-amtuner-mode", AMTUNER_MODE_TV, NULL,
241 AMTUNER_MODE_TEXT, AMTUNER_MODE_LONGTEXT, false)
242 change_integer_list( pi_amtuner_mode, ppsz_amtuner_mode_text, NULL )
244 add_integer( "dshow-audio-channels", 0, NULL, AUDIO_CHANNELS_TEXT,
245 AUDIO_CHANNELS_LONGTEXT, true )
246 add_integer( "dshow-audio-samplerate", 0, NULL, AUDIO_SAMPLERATE_TEXT,
247 AUDIO_SAMPLERATE_LONGTEXT, true )
248 add_integer( "dshow-audio-bitspersample", 0, NULL, AUDIO_BITSPERSAMPLE_TEXT,
249 AUDIO_BITSPERSAMPLE_LONGTEXT, true )
251 add_shortcut( "dshow" )
252 set_capability( "access_demux", 0 )
253 set_callbacks( DemuxOpen, DemuxClose )
256 set_description( N_("DirectShow input") )
257 add_shortcut( "dshow" )
258 set_capability( "access", 0 )
259 set_callbacks( AccessOpen, AccessClose )
263 /*****************************************************************************
264 * DirectShow elementary stream descriptor
265 *****************************************************************************/
266 typedef struct dshow_stream_t
269 IBaseFilter *p_device_filter;
270 CaptureFilter *p_capture_filter;
275 VIDEOINFOHEADER video;
285 deque<VLCMediaSample> samples_queue;
288 /*****************************************************************************
289 * DirectShow utility functions
290 *****************************************************************************/
291 static void CreateDirectShowGraph( access_sys_t *p_sys )
293 p_sys->i_crossbar_route_depth = 0;
295 /* Create directshow filter graph */
296 if( SUCCEEDED( CoCreateInstance( CLSID_FilterGraph, 0, CLSCTX_INPROC,
297 (REFIID)IID_IFilterGraph, (void **)&p_sys->p_graph) ) )
299 /* Create directshow capture graph builder if available */
300 if( SUCCEEDED( CoCreateInstance( CLSID_CaptureGraphBuilder2, 0,
301 CLSCTX_INPROC, (REFIID)IID_ICaptureGraphBuilder2,
302 (void **)&p_sys->p_capture_graph_builder2 ) ) )
304 p_sys->p_capture_graph_builder2->
305 SetFiltergraph((IGraphBuilder *)p_sys->p_graph);
308 p_sys->p_graph->QueryInterface( IID_IMediaControl,
309 (void **)&p_sys->p_control );
313 static void DeleteDirectShowGraph( access_sys_t *p_sys )
315 DeleteCrossbarRoutes( p_sys );
317 /* Remove filters from graph */
318 for( int i = 0; i < p_sys->i_streams; i++ )
320 p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_capture_filter );
321 p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_device_filter );
322 p_sys->pp_streams[i]->p_capture_filter->Release();
323 p_sys->pp_streams[i]->p_device_filter->Release();
326 /* Release directshow objects */
327 if( p_sys->p_control )
329 p_sys->p_control->Release();
330 p_sys->p_control = NULL;
332 if( p_sys->p_capture_graph_builder2 )
334 p_sys->p_capture_graph_builder2->Release();
335 p_sys->p_capture_graph_builder2 = NULL;
340 p_sys->p_graph->Release();
341 p_sys->p_graph = NULL;
345 /*****************************************************************************
346 * CommonOpen: open direct show device
347 *****************************************************************************/
348 static int CommonOpen( vlc_object_t *p_this, access_sys_t *p_sys,
349 bool b_access_demux )
354 /* Get/parse options and open device(s) */
355 string vdevname, adevname;
356 int i_width = 0, i_height = 0;
357 vlc_fourcc_t i_chroma = 0;
358 bool b_use_audio = true;
359 bool b_use_video = true;
361 /* Initialize OLE/COM */
364 var_Create( p_this, "dshow-config", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
365 var_Create( p_this, "dshow-tuner", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
366 psz_val = var_CreateGetString( p_this, "dshow-vdev" );
369 msg_Dbg( p_this, "dshow-vdev: %s", psz_val ) ;
370 /* skip none device */
371 if ( strncasecmp( psz_val, "none", 4 ) != 0 )
372 vdevname = string( psz_val );
374 b_use_video = false ;
378 psz_val = var_CreateGetString( p_this, "dshow-adev" );
381 msg_Dbg( p_this, "dshow-adev: %s", psz_val ) ;
382 /* skip none device */
383 if ( strncasecmp( psz_val, "none", 4 ) != 0 )
384 adevname = string( psz_val );
386 b_use_audio = false ;
390 static struct {const char *psz_size; int i_width; int i_height;} size_table[] =
391 { { "subqcif", 128, 96 }, { "qsif", 160, 120 }, { "qcif", 176, 144 },
392 { "sif", 320, 240 }, { "cif", 352, 288 }, { "d1", 640, 480 },
396 psz_val = var_CreateGetString( p_this, "dshow-size" );
397 if( !EMPTY_STR(psz_val) )
399 for( i = 0; size_table[i].psz_size; i++ )
401 if( !strcmp( psz_val, size_table[i].psz_size ) )
403 i_width = size_table[i].i_width;
404 i_height = size_table[i].i_height;
408 if( !size_table[i].psz_size ) /* Try to parse "WidthxHeight" */
411 i_width = strtol( psz_val, &psz_parser, 0 );
412 if( *psz_parser == 'x' || *psz_parser == 'X')
414 i_height = strtol( psz_parser + 1, &psz_parser, 0 );
416 msg_Dbg( p_this, "width x height %dx%d", i_width, i_height );
421 psz_val = var_CreateGetString( p_this, "dshow-chroma" );
422 i_chroma = vlc_fourcc_GetCodecFromString( UNKNOWN_ES, psz_val );
423 p_sys->b_chroma = i_chroma != 0;
426 var_Create( p_this, "dshow-fps", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
427 var_Create( p_this, "dshow-tuner-channel",
428 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
429 var_Create( p_this, "dshow-tuner-country",
430 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
431 var_Create( p_this, "dshow-tuner-input",
432 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
434 var_Create( p_this, "dshow-amtuner-mode",
435 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
437 var_Create( p_this, "dshow-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
439 var_Create( p_this, "dshow-video-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
440 var_Create( p_this, "dshow-audio-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
441 var_Create( p_this, "dshow-video-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
442 var_Create( p_this, "dshow-audio-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
445 /* Initialize some data */
446 p_sys->i_streams = 0;
447 p_sys->pp_streams = NULL;
448 p_sys->i_width = i_width;
449 p_sys->i_height = i_height;
450 p_sys->i_chroma = i_chroma;
452 p_sys->p_graph = NULL;
453 p_sys->p_capture_graph_builder2 = NULL;
454 p_sys->p_control = NULL;
456 /* Build directshow graph */
457 CreateDirectShowGraph( p_sys );
459 vlc_mutex_init( &p_sys->lock );
460 vlc_cond_init( &p_sys->wait );
462 if( !b_use_video && !b_use_audio )
464 dialog_Fatal( p_this, _("Capture failed"),
465 _("No video or audio device selected.") );
466 return VLC_EGENERIC ;
470 msg_Dbg( p_this, "skipping video device" ) ;
471 bool b_err_video = false ;
473 if( b_use_video && OpenDevice( p_this, p_sys, vdevname, 0 ) != VLC_SUCCESS )
475 msg_Err( p_this, "can't open video device");
479 if ( b_use_video && !b_err_video )
481 /* Check if we can handle the demuxing ourselves or need to spawn
482 * a demuxer module */
483 dshow_stream_t *p_stream = p_sys->pp_streams[p_sys->i_streams-1];
485 if( p_stream->mt.majortype == MEDIATYPE_Video )
487 if( /* Raw DV stream */
488 p_stream->i_fourcc == VLC_CODEC_DV ||
489 /* Raw MPEG video stream */
490 p_stream->i_fourcc == VLC_CODEC_MPGV )
496 /* Let the access (only) take care of that */
502 if( p_stream->mt.majortype == MEDIATYPE_Stream )
508 /* Let the access (only) take care of that */
512 if( var_GetBool( p_this, "dshow-tuner" ) )
514 /* FIXME: we do MEDIATYPE_Stream here so we don't do
516 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
517 p_stream->p_device_filter, 0 );
523 msg_Dbg( p_this, "skipping audio device") ;
525 bool b_err_audio = false ;
527 if( b_use_audio && OpenDevice( p_this, p_sys, adevname, 1 ) != VLC_SUCCESS )
529 msg_Err( p_this, "can't open audio device");
533 if( ( b_use_video && b_err_video && b_use_audio && b_err_audio ) ||
534 ( !b_use_video && b_use_audio && b_err_audio ) ||
535 ( b_use_video && !b_use_audio && b_err_video ) )
537 msg_Err( p_this, "FATAL: could not open ANY device" ) ;
538 dialog_Fatal( p_this, _("Capture failed"),
539 _("VLC cannot open ANY capture device."
540 "Check the error log for details.") );
541 return VLC_EGENERIC ;
544 for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
546 int i_val = var_GetInteger( p_this, "dshow-video-input" );
548 p_sys->crossbar_routes[i].VideoInputIndex = i_val;
549 i_val = var_GetInteger( p_this, "dshow-video-output" );
551 p_sys->crossbar_routes[i].VideoOutputIndex = i_val;
552 i_val = var_GetInteger( p_this, "dshow-audio-input" );
554 p_sys->crossbar_routes[i].AudioInputIndex = i_val;
555 i_val = var_GetInteger( p_this, "dshow-audio-output" );
557 p_sys->crossbar_routes[i].AudioOutputIndex = i_val;
559 IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
560 LONG VideoInputIndex = p_sys->crossbar_routes[i].VideoInputIndex;
561 LONG VideoOutputIndex = p_sys->crossbar_routes[i].VideoOutputIndex;
562 LONG AudioInputIndex = p_sys->crossbar_routes[i].AudioInputIndex;
563 LONG AudioOutputIndex = p_sys->crossbar_routes[i].AudioOutputIndex;
565 if( SUCCEEDED(pXbar->Route(VideoOutputIndex, VideoInputIndex)) )
567 msg_Dbg( p_this, "crossbar at depth %d, routed video "
568 "output %ld to video input %ld", i, VideoOutputIndex,
571 if( AudioOutputIndex != -1 && AudioInputIndex != -1 )
573 if( SUCCEEDED( pXbar->Route(AudioOutputIndex,
576 msg_Dbg(p_this, "crossbar at depth %d, routed audio "
577 "output %ld to audio input %ld", i,
578 AudioOutputIndex, AudioInputIndex );
583 msg_Err( p_this, "crossbar at depth %d could not route video "
584 "output %ld to input %ld", i, VideoOutputIndex, VideoInputIndex );
588 ** Show properties pages from other filters in graph
590 if( var_GetBool( p_this, "dshow-config" ) )
592 for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
594 IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
597 if( SUCCEEDED( pXbar->QueryInterface( IID_IBaseFilter,
600 ShowPropertyPage( p_XF );
606 /* Initialize some data */
607 p_sys->i_current_stream = 0;
609 if( !p_sys->i_streams ) return VLC_EGENERIC;
614 /*****************************************************************************
615 * DemuxOpen: open direct show device as an access_demux module
616 *****************************************************************************/
617 static int DemuxOpen( vlc_object_t *p_this )
619 demux_t *p_demux = (demux_t *)p_this;
623 p_sys = (access_sys_t*)calloc( 1, sizeof( access_sys_t ) );
626 p_demux->p_sys = (demux_sys_t *)p_sys;
628 if( CommonOpen( p_this, p_sys, true ) != VLC_SUCCESS )
630 CommonClose( p_this, p_sys );
634 /* Everything is ready. Let's rock baby */
635 msg_Dbg( p_this, "Playing...");
636 p_sys->p_control->Run();
638 p_demux->pf_demux = Demux;
639 p_demux->pf_control = DemuxControl;
640 p_demux->info.i_update = 0;
641 p_demux->info.i_title = 0;
642 p_demux->info.i_seekpoint = 0;
644 for( i = 0; i < p_sys->i_streams; i++ )
646 dshow_stream_t *p_stream = p_sys->pp_streams[i];
649 if( p_stream->mt.majortype == MEDIATYPE_Video )
651 char *psz_aspect = var_CreateGetString( p_this, "dshow-aspect-ratio" );
652 char *psz_delim = !EMPTY_STR( psz_aspect ) ? strchr( psz_aspect, ':' ) : NULL;
654 es_format_Init( &fmt, VIDEO_ES, p_stream->i_fourcc );
656 fmt.video.i_width = p_stream->header.video.bmiHeader.biWidth;
657 fmt.video.i_height = p_stream->header.video.bmiHeader.biHeight;
661 fmt.video.i_sar_num = atoi( psz_aspect ) * fmt.video.i_height;
662 fmt.video.i_sar_den = atoi( psz_delim + 1 ) * fmt.video.i_width;
666 fmt.video.i_sar_num = 4 * fmt.video.i_height;
667 fmt.video.i_sar_den = 3 * fmt.video.i_width;
671 if( !p_stream->header.video.bmiHeader.biCompression )
673 /* RGB DIB are coded from bottom to top */
674 fmt.video.i_height = (unsigned int)(-(int)fmt.video.i_height);
677 /* Setup rgb mask for RGB formats */
678 if( p_stream->i_fourcc == VLC_CODEC_RGB24 )
680 /* This is in RGB format
681 http://msdn.microsoft.com/en-us/library/dd407253%28VS.85%29.aspx?ppud=4
683 fmt.video.i_rmask = 0x00ff0000;
684 fmt.video.i_gmask = 0x0000ff00;
685 fmt.video.i_bmask = 0x000000ff;
688 if( p_stream->header.video.AvgTimePerFrame )
690 fmt.video.i_frame_rate = 10000000;
691 fmt.video.i_frame_rate_base =
692 p_stream->header.video.AvgTimePerFrame;
695 else if( p_stream->mt.majortype == MEDIATYPE_Audio )
697 es_format_Init( &fmt, AUDIO_ES, p_stream->i_fourcc );
699 fmt.audio.i_channels = p_stream->header.audio.nChannels;
700 fmt.audio.i_rate = p_stream->header.audio.nSamplesPerSec;
701 fmt.audio.i_bitspersample = p_stream->header.audio.wBitsPerSample;
702 fmt.audio.i_blockalign = fmt.audio.i_channels *
703 fmt.audio.i_bitspersample / 8;
704 fmt.i_bitrate = fmt.audio.i_channels * fmt.audio.i_rate *
705 fmt.audio.i_bitspersample;
708 p_stream->p_es = es_out_Add( p_demux->out, &fmt );
714 /*****************************************************************************
715 * AccessOpen: open direct show device as an access module
716 *****************************************************************************/
717 static int AccessOpen( vlc_object_t *p_this )
719 access_t *p_access = (access_t*)p_this;
722 p_access->p_sys = p_sys = (access_sys_t*)calloc( 1, sizeof( access_sys_t ) );
726 if( CommonOpen( p_this, p_sys, false ) != VLC_SUCCESS )
728 CommonClose( p_this, p_sys );
732 dshow_stream_t *p_stream = p_sys->pp_streams[0];
734 /* Check if we need to force demuxers */
735 if( !p_access->psz_demux || !*p_access->psz_demux )
737 if( p_stream->i_fourcc == VLC_CODEC_DV )
739 free( p_access->psz_demux );
740 p_access->psz_demux = strdup( "rawdv" );
742 else if( p_stream->i_fourcc == VLC_CODEC_MPGV )
744 free( p_access->psz_demux );
745 p_access->psz_demux = strdup( "mpgv" );
750 p_access->pf_read = NULL;
751 p_access->pf_block = ReadCompressed;
752 p_access->pf_control = AccessControl;
753 p_access->pf_seek = NULL;
754 p_access->info.i_update = 0;
755 p_access->info.i_size = 0;
756 p_access->info.i_pos = 0;
757 p_access->info.b_eof = false;
758 p_access->info.i_title = 0;
759 p_access->info.i_seekpoint = 0;
760 p_access->p_sys = p_sys;
762 /* Everything is ready. Let's rock baby */
763 msg_Dbg( p_this, "Playing...");
764 p_sys->p_control->Run();
769 /*****************************************************************************
770 * CommonClose: close device
771 *****************************************************************************/
772 static void CommonClose( vlc_object_t *p_this, access_sys_t *p_sys )
774 msg_Dbg( p_this, "releasing DirectShow");
776 DeleteDirectShowGraph( p_sys );
778 /* Uninitialize OLE/COM */
781 for( int i = 0; i < p_sys->i_streams; i++ ) delete p_sys->pp_streams[i];
782 if( p_sys->i_streams ) free( p_sys->pp_streams );
784 vlc_mutex_destroy( &p_sys->lock );
785 vlc_cond_destroy( &p_sys->wait );
790 /*****************************************************************************
791 * AccessClose: close device
792 *****************************************************************************/
793 static void AccessClose( vlc_object_t *p_this )
795 access_t *p_access = (access_t *)p_this;
796 access_sys_t *p_sys = p_access->p_sys;
798 /* Stop capturing stuff */
799 p_sys->p_control->Stop();
801 CommonClose( p_this, p_sys );
804 /*****************************************************************************
805 * DemuxClose: close device
806 *****************************************************************************/
807 static void DemuxClose( vlc_object_t *p_this )
809 demux_t *p_demux = (demux_t *)p_this;
810 access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
812 /* Stop capturing stuff */
813 p_sys->p_control->Stop();
815 CommonClose( p_this, p_sys );
818 /****************************************************************************
820 ****************************************************************************/
821 static bool ConnectFilters( vlc_object_t *p_this, access_sys_t *p_sys,
822 IBaseFilter *p_filter,
823 CaptureFilter *p_capture_filter )
825 CapturePin *p_input_pin = p_capture_filter->CustomGetPin();
827 AM_MEDIA_TYPE mediaType = p_input_pin->CustomGetMediaType();
829 if( p_sys->p_capture_graph_builder2 )
831 if( FAILED(p_sys->p_capture_graph_builder2->
832 RenderStream( &PIN_CATEGORY_CAPTURE, &mediaType.majortype,
833 p_filter, 0, (IBaseFilter *)p_capture_filter )) )
838 // Sort out all the possible video inputs
839 // The class needs to be given the capture filters ANALOGVIDEO input pin
840 IEnumPins *pins = NULL;
841 if( ( mediaType.majortype == MEDIATYPE_Video ||
842 mediaType.majortype == MEDIATYPE_Stream ) &&
843 SUCCEEDED(p_filter->EnumPins(&pins)) )
849 IKsPropertySet *pKs = NULL;
853 while( !Found && ( S_OK == pins->Next(1, &pP, &n) ) )
855 if( S_OK == pP->QueryPinInfo(&pinInfo) )
857 // is this pin an ANALOGVIDEOIN input pin?
858 if( pinInfo.dir == PINDIR_INPUT &&
859 pP->QueryInterface( IID_IKsPropertySet,
860 (void **)&pKs ) == S_OK )
862 if( pKs->Get( AMPROPSETID_Pin,
863 AMPROPERTY_PIN_CATEGORY, NULL, 0,
864 &guid, sizeof(GUID), &dw ) == S_OK )
866 if( guid == PIN_CATEGORY_ANALOGVIDEOIN )
868 // recursively search crossbar routes
869 FindCrossbarRoutes( p_this, p_sys, pP, 0 );
876 pinInfo.pFilter->Release();
881 msg_Dbg( p_this, "ConnectFilters: graph_builder2 available.") ;
883 msg_Warn( p_this, "ConnectFilters: No crossBar routes found (incobatible pin types)" ) ;
889 IEnumPins *p_enumpins;
892 if( S_OK != p_filter->EnumPins( &p_enumpins ) ) return false;
894 while( S_OK == p_enumpins->Next( 1, &p_pin, NULL ) )
896 PIN_DIRECTION pin_dir;
897 p_pin->QueryDirection( &pin_dir );
899 if( pin_dir == PINDIR_OUTPUT &&
900 p_sys->p_graph->ConnectDirect( p_pin, (IPin *)p_input_pin,
904 p_enumpins->Release();
910 p_enumpins->Release();
916 * get fourcc priority from arbritary preference, the higher the better
918 static int GetFourCCPriority( int i_fourcc )
926 case VLC_FOURCC('a','r','a','w'):
928 case VLC_CODEC_RGB24:
931 case VLC_CODEC_RGB32:
939 #define MAX_MEDIA_TYPES 32
941 static int OpenDevice( vlc_object_t *p_this, access_sys_t *p_sys,
942 string devicename, bool b_audio )
944 /* See if device is already opened */
945 for( int i = 0; i < p_sys->i_streams; i++ )
947 if( devicename.size() &&
948 p_sys->pp_streams[i]->devicename == devicename )
955 list<string> list_devices;
957 /* Enumerate devices and display their names */
958 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
959 if( !list_devices.size() )
962 list<string>::iterator iter;
963 for( iter = list_devices.begin(); iter != list_devices.end(); iter++ )
964 msg_Dbg( p_this, "found device: %s", iter->c_str() );
966 /* If no device name was specified, pick the 1st one */
967 if( devicename.size() == 0 )
969 /* When none selected */
970 devicename = *list_devices.begin();
971 msg_Dbg( p_this, "asking for default device: %s", devicename.c_str() ) ;
974 msg_Dbg( p_this, "asking for device: %s", devicename.c_str() ) ;
975 // Use the system device enumerator and class enumerator to find
976 // a capture/preview device, such as a desktop USB video camera.
977 IBaseFilter *p_device_filter =
978 FindCaptureDevice( p_this, &devicename, NULL, b_audio );
980 if( p_device_filter )
981 msg_Dbg( p_this, "using device: %s", devicename.c_str() );
984 msg_Err( p_this, "can't use device: %s, unsupported device type",
985 devicename.c_str() );
986 dialog_Fatal( p_this, _("Capture failed"),
987 _("VLC cannot use the device \"%s\", because its "
988 "type is not supported."), devicename.c_str() );
992 // Retreive acceptable media types supported by device
993 AM_MEDIA_TYPE media_types[MAX_MEDIA_TYPES];
995 EnumDeviceCaps( p_this, p_device_filter, b_audio ? 0 : p_sys->i_chroma,
996 p_sys->i_width, p_sys->i_height,
997 b_audio ? var_CreateGetInteger( p_this, "dshow-audio-channels" ) : 0,
998 b_audio ? var_CreateGetInteger( p_this, "dshow-audio-samplerate" ) : 0,
999 b_audio ? var_CreateGetInteger( p_this, "dshow-audio-bitspersample" ) : 0,
1000 media_types, MAX_MEDIA_TYPES );
1002 AM_MEDIA_TYPE *mt = NULL;
1004 if( media_count > 0 )
1006 mt = (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE) * media_count);
1008 // Order and copy returned media types according to arbitrary
1010 for( size_t c = 0; c < media_count; c++ )
1013 GetFourCCPriority(GetFourCCFromMediaType(media_types[c]));
1014 size_t slot_copy = c;
1015 for( size_t d = c+1; d < media_count; d++ )
1018 GetFourCCPriority(GetFourCCFromMediaType(media_types[d]));
1019 if( priority > slot_priority )
1021 slot_priority = priority;
1025 if( slot_copy != c )
1027 mt[c] = media_types[slot_copy];
1028 media_types[slot_copy] = media_types[c];
1032 mt[c] = media_types[c];
1037 /* capture device */
1038 msg_Err( p_this, "capture device '%s' does not support required parameters !", devicename.c_str() );
1039 dialog_Fatal( p_this, _("Capture failed"),
1040 _("The capture device \"%s\" does not support the "
1041 "required parameters."), devicename.c_str() );
1042 p_device_filter->Release();
1043 return VLC_EGENERIC;
1046 /* Create and add our capture filter */
1047 CaptureFilter *p_capture_filter =
1048 new CaptureFilter( p_this, p_sys, mt, media_count );
1049 p_sys->p_graph->AddFilter( p_capture_filter, 0 );
1051 /* Add the device filter to the graph (seems necessary with VfW before
1052 * accessing pin attributes). */
1053 p_sys->p_graph->AddFilter( p_device_filter, 0 );
1055 /* Attempt to connect one of this device's capture output pins */
1056 msg_Dbg( p_this, "connecting filters" );
1057 if( ConnectFilters( p_this, p_sys, p_device_filter, p_capture_filter ) )
1060 msg_Dbg( p_this, "filters connected successfully !" );
1062 dshow_stream_t dshow_stream;
1063 dshow_stream.b_pts = false;
1064 dshow_stream.p_es = 0;
1066 p_capture_filter->CustomGetPin()->CustomGetMediaType();
1068 /* Show Device properties. Done here so the VLC stream is setup with
1069 * the proper parameters. */
1070 if( var_GetBool( p_this, "dshow-config" ) )
1072 ShowDeviceProperties( p_this, p_sys->p_capture_graph_builder2,
1073 p_device_filter, b_audio );
1076 ConfigTuner( p_this, p_sys->p_capture_graph_builder2,
1079 if( var_GetBool( p_this, "dshow-tuner" ) &&
1080 dshow_stream.mt.majortype != MEDIATYPE_Stream )
1082 /* FIXME: we do MEDIATYPE_Stream later so we don't do it twice. */
1083 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
1084 p_device_filter, b_audio );
1088 p_capture_filter->CustomGetPin()->CustomGetMediaType();
1090 dshow_stream.i_fourcc = GetFourCCFromMediaType( dshow_stream.mt );
1091 if( dshow_stream.i_fourcc )
1093 if( dshow_stream.mt.majortype == MEDIATYPE_Video )
1095 dshow_stream.header.video =
1096 *(VIDEOINFOHEADER *)dshow_stream.mt.pbFormat;
1097 msg_Dbg( p_this, "MEDIATYPE_Video" );
1098 msg_Dbg( p_this, "selected video pin accepts format: %4.4s",
1099 (char *)&dshow_stream.i_fourcc);
1101 else if( dshow_stream.mt.majortype == MEDIATYPE_Audio )
1103 dshow_stream.header.audio =
1104 *(WAVEFORMATEX *)dshow_stream.mt.pbFormat;
1105 msg_Dbg( p_this, "MEDIATYPE_Audio" );
1106 msg_Dbg( p_this, "selected audio pin accepts format: %4.4s",
1107 (char *)&dshow_stream.i_fourcc);
1109 else if( dshow_stream.mt.majortype == MEDIATYPE_Stream )
1111 msg_Dbg( p_this, "MEDIATYPE_Stream" );
1112 msg_Dbg( p_this, "selected stream pin accepts format: %4.4s",
1113 (char *)&dshow_stream.i_fourcc);
1117 msg_Dbg( p_this, "unknown stream majortype" );
1121 /* Add directshow elementary stream to our list */
1122 dshow_stream.p_device_filter = p_device_filter;
1123 dshow_stream.p_capture_filter = p_capture_filter;
1125 p_sys->pp_streams = (dshow_stream_t **)xrealloc( p_sys->pp_streams,
1126 sizeof(dshow_stream_t *) * (p_sys->i_streams + 1) );
1127 p_sys->pp_streams[p_sys->i_streams] = new dshow_stream_t;
1128 *p_sys->pp_streams[p_sys->i_streams++] = dshow_stream;
1135 /* Remove filters from graph */
1136 p_sys->p_graph->RemoveFilter( p_device_filter );
1137 p_sys->p_graph->RemoveFilter( p_capture_filter );
1139 /* Release objects */
1140 p_device_filter->Release();
1141 p_capture_filter->Release();
1143 return VLC_EGENERIC;
1146 /* FindCaptureDevices:: This Function had two purposes :
1147 Returns the list of capture devices when p_listdevices != NULL
1148 Creates an IBaseFilter when p_devicename corresponds to an existing devname
1149 These actions *may* be requested whith a single call.
1151 static IBaseFilter *
1152 FindCaptureDevice( vlc_object_t *p_this, string *p_devicename,
1153 list<string> *p_listdevices, bool b_audio )
1155 IBaseFilter *p_base_filter = NULL;
1156 IMoniker *p_moniker = NULL;
1159 list<string> devicelist;
1161 /* Create the system device enumerator */
1162 ICreateDevEnum *p_dev_enum = NULL;
1164 hr = CoCreateInstance( CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
1165 IID_ICreateDevEnum, (void **)&p_dev_enum );
1168 msg_Err( p_this, "failed to create the device enumerator (0x%lx)", hr);
1172 /* Create an enumerator for the video capture devices */
1173 IEnumMoniker *p_class_enum = NULL;
1175 hr = p_dev_enum->CreateClassEnumerator( CLSID_VideoInputDeviceCategory,
1178 hr = p_dev_enum->CreateClassEnumerator( CLSID_AudioInputDeviceCategory,
1180 p_dev_enum->Release();
1183 msg_Err( p_this, "failed to create the class enumerator (0x%lx)", hr );
1187 /* If there are no enumerators for the requested type, then
1188 * CreateClassEnumerator will succeed, but p_class_enum will be NULL */
1189 if( p_class_enum == NULL )
1191 msg_Err( p_this, "no %s capture device was detected", ( b_audio ? "audio" : "video" ) );
1195 /* Enumerate the devices */
1197 /* Note that if the Next() call succeeds but there are no monikers,
1198 * it will return S_FALSE (which is not a failure). Therefore, we check
1199 * that the return code is S_OK instead of using SUCCEEDED() macro. */
1201 while( p_class_enum->Next( 1, &p_moniker, &i_fetched ) == S_OK )
1203 /* Getting the property page to get the device name */
1204 IPropertyBag *p_bag;
1205 hr = p_moniker->BindToStorage( 0, 0, IID_IPropertyBag,
1211 hr = p_bag->Read( L"FriendlyName", &var, NULL );
1215 char *p_buf = FromWide( var.bstrVal );
1216 string devname = string(p_buf);
1220 /* find out if this name is already used by a previously found device */
1221 list<string>::const_iterator iter = devicelist.begin();
1222 list<string>::const_iterator end = devicelist.end();
1223 string ordevname = devname ;
1224 while ( iter != end )
1226 if( 0 == (*iter).compare( devname ) )
1227 { /* devname is on the list. Try another name with sequence
1228 number apended and then rescan until a unique entry is found*/
1230 snprintf(seq, 16, " #%d", ++dup);
1231 devname = ordevname + seq;
1232 iter = devicelist.begin();
1237 devicelist.push_back( devname );
1239 if( p_devicename && *p_devicename == devname )
1241 msg_Dbg( p_this, "asked for %s, binding to %s", p_devicename->c_str() , devname.c_str() ) ;
1242 /* NULL possibly means we don't need BindMoniker BindCtx ?? */
1243 hr = p_moniker->BindToObject( NULL, 0, IID_IBaseFilter,
1244 (void **)&p_base_filter );
1247 msg_Err( p_this, "couldn't bind moniker to filter "
1248 "object (0x%lx)", hr );
1249 p_moniker->Release();
1250 p_class_enum->Release();
1253 p_moniker->Release();
1254 p_class_enum->Release();
1255 return p_base_filter;
1260 p_moniker->Release();
1263 p_class_enum->Release();
1265 if( p_listdevices ) {
1267 *p_listdevices = devicelist;
1272 static size_t EnumDeviceCaps( vlc_object_t *p_this, IBaseFilter *p_filter,
1273 int i_fourcc, int i_width, int i_height,
1274 int i_channels, int i_samplespersec,
1275 int i_bitspersample, AM_MEDIA_TYPE *mt,
1278 IEnumPins *p_enumpins;
1280 IEnumMediaTypes *p_enummt;
1281 size_t mt_count = 0;
1283 LONGLONG i_AvgTimePerFrame = 0;
1284 float r_fps = var_GetFloat( p_this, "dshow-fps" );
1286 i_AvgTimePerFrame = 10000000000LL/(LONGLONG)(r_fps*1000.0f);
1288 if( FAILED(p_filter->EnumPins( &p_enumpins )) )
1290 msg_Dbg( p_this, "EnumDeviceCaps failed: no pin enumeration !");
1294 while( S_OK == p_enumpins->Next( 1, &p_output_pin, NULL ) )
1298 if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1300 msg_Dbg( p_this, "EnumDeviceCaps: %s pin: %S",
1301 info.dir == PINDIR_INPUT ? "input" : "output",
1303 if( info.pFilter ) info.pFilter->Release();
1306 p_output_pin->Release();
1309 p_enumpins->Reset();
1311 while( !mt_count && p_enumpins->Next( 1, &p_output_pin, NULL ) == S_OK )
1315 if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1317 if( info.pFilter ) info.pFilter->Release();
1318 if( info.dir == PINDIR_INPUT )
1320 p_output_pin->Release();
1323 msg_Dbg( p_this, "EnumDeviceCaps: trying pin %S", info.achName );
1326 AM_MEDIA_TYPE *p_mt;
1329 ** Configure pin with a default compatible media if possible
1332 IAMStreamConfig *pSC;
1333 if( SUCCEEDED(p_output_pin->QueryInterface( IID_IAMStreamConfig,
1336 int piCount, piSize;
1337 if( SUCCEEDED(pSC->GetNumberOfCapabilities(&piCount, &piSize)) )
1339 BYTE *pSCC= (BYTE *)CoTaskMemAlloc(piSize);
1342 int i_priority = -1;
1343 for( int i=0; i<piCount; ++i )
1345 if( SUCCEEDED(pSC->GetStreamCaps(i, &p_mt, pSCC)) )
1347 int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1348 int i_current_priority = GetFourCCPriority(i_current_fourcc);
1350 if( (i_fourcc && (i_current_fourcc != i_fourcc))
1351 || (i_priority > i_current_priority) )
1353 // unwanted chroma, try next media type
1354 FreeMediaType( *p_mt );
1355 CoTaskMemFree( (PVOID)p_mt );
1359 if( MEDIATYPE_Video == p_mt->majortype
1360 && FORMAT_VideoInfo == p_mt->formattype )
1362 VIDEO_STREAM_CONFIG_CAPS *pVSCC = reinterpret_cast<VIDEO_STREAM_CONFIG_CAPS*>(pSCC);
1363 VIDEOINFOHEADER *pVih = reinterpret_cast<VIDEOINFOHEADER*>(p_mt->pbFormat);
1365 if( i_AvgTimePerFrame )
1367 if( pVSCC->MinFrameInterval > i_AvgTimePerFrame
1368 || i_AvgTimePerFrame > pVSCC->MaxFrameInterval )
1370 // required frame rate not compatible, try next media type
1371 FreeMediaType( *p_mt );
1372 CoTaskMemFree( (PVOID)p_mt );
1375 pVih->AvgTimePerFrame = i_AvgTimePerFrame;
1380 if(( !pVSCC->OutputGranularityX
1381 && i_width != pVSCC->MinOutputSize.cx
1382 && i_width != pVSCC->MaxOutputSize.cx)
1384 ( pVSCC->OutputGranularityX
1385 && ((i_width % pVSCC->OutputGranularityX)
1386 || pVSCC->MinOutputSize.cx > i_width
1387 || i_width > pVSCC->MaxOutputSize.cx )))
1389 // required width not compatible, try next media type
1390 FreeMediaType( *p_mt );
1391 CoTaskMemFree( (PVOID)p_mt );
1394 pVih->bmiHeader.biWidth = i_width;
1399 if(( !pVSCC->OutputGranularityY
1400 && i_height != pVSCC->MinOutputSize.cy
1401 && i_height != pVSCC->MaxOutputSize.cy)
1403 ( pVSCC->OutputGranularityY
1404 && ((i_height % pVSCC->OutputGranularityY)
1405 || pVSCC->MinOutputSize.cy > i_height
1406 || i_height > pVSCC->MaxOutputSize.cy )))
1408 // required height not compatible, try next media type
1409 FreeMediaType( *p_mt );
1410 CoTaskMemFree( (PVOID)p_mt );
1413 pVih->bmiHeader.biHeight = i_height;
1416 // Set the sample size and image size.
1417 // (Round the image width up to a DWORD boundary.)
1418 p_mt->lSampleSize = pVih->bmiHeader.biSizeImage =
1419 ((pVih->bmiHeader.biWidth + 3) & ~3) *
1420 pVih->bmiHeader.biHeight * (pVih->bmiHeader.biBitCount>>3);
1422 // no cropping, use full video input buffer
1423 memset(&(pVih->rcSource), 0, sizeof(RECT));
1424 memset(&(pVih->rcTarget), 0, sizeof(RECT));
1426 // select this format as default
1427 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1429 i_priority = i_current_priority;
1431 // no need to check any more media types
1435 else if( p_mt->majortype == MEDIATYPE_Audio
1436 && p_mt->formattype == FORMAT_WaveFormatEx )
1438 AUDIO_STREAM_CONFIG_CAPS *pASCC = reinterpret_cast<AUDIO_STREAM_CONFIG_CAPS*>(pSCC);
1439 WAVEFORMATEX *pWfx = reinterpret_cast<WAVEFORMATEX*>(p_mt->pbFormat);
1441 if( i_current_fourcc && (WAVE_FORMAT_PCM == pWfx->wFormatTag) )
1443 int val = i_channels;
1447 if( ( !pASCC->ChannelsGranularity
1448 && (unsigned int)val != pASCC->MinimumChannels
1449 && (unsigned int)val != pASCC->MaximumChannels)
1451 ( pASCC->ChannelsGranularity
1452 && ((val % pASCC->ChannelsGranularity)
1453 || (unsigned int)val < pASCC->MinimumChannels
1454 || (unsigned int)val > pASCC->MaximumChannels)))
1456 // required number channels not available, try next media type
1457 FreeMediaType( *p_mt );
1458 CoTaskMemFree( (PVOID)p_mt );
1461 pWfx->nChannels = val;
1463 val = i_samplespersec;
1467 if( ( !pASCC->SampleFrequencyGranularity
1468 && (unsigned int)val != pASCC->MinimumSampleFrequency
1469 && (unsigned int)val != pASCC->MaximumSampleFrequency)
1471 ( pASCC->SampleFrequencyGranularity
1472 && ((val % pASCC->SampleFrequencyGranularity)
1473 || (unsigned int)val < pASCC->MinimumSampleFrequency
1474 || (unsigned int)val > pASCC->MaximumSampleFrequency )))
1476 // required sampling rate not available, try next media type
1477 FreeMediaType( *p_mt );
1478 CoTaskMemFree( (PVOID)p_mt );
1481 pWfx->nSamplesPerSec = val;
1483 val = i_bitspersample;
1486 if( VLC_CODEC_FL32 == i_current_fourcc )
1492 if( ( !pASCC->BitsPerSampleGranularity
1493 && (unsigned int)val != pASCC->MinimumBitsPerSample
1494 && (unsigned int)val != pASCC->MaximumBitsPerSample )
1496 ( pASCC->BitsPerSampleGranularity
1497 && ((val % pASCC->BitsPerSampleGranularity)
1498 || (unsigned int)val < pASCC->MinimumBitsPerSample
1499 || (unsigned int)val > pASCC->MaximumBitsPerSample )))
1501 // required sample size not available, try next media type
1502 FreeMediaType( *p_mt );
1503 CoTaskMemFree( (PVOID)p_mt );
1507 pWfx->wBitsPerSample = val;
1508 pWfx->nBlockAlign = (pWfx->wBitsPerSample * pWfx->nChannels)/8;
1509 pWfx->nAvgBytesPerSec = pWfx->nSamplesPerSec * pWfx->nBlockAlign;
1511 // select this format as default
1512 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1514 i_priority = i_current_priority;
1518 FreeMediaType( *p_mt );
1519 CoTaskMemFree( (PVOID)p_mt );
1522 CoTaskMemFree( (LPVOID)pSCC );
1523 if( i_priority >= 0 )
1524 msg_Dbg( p_this, "EnumDeviceCaps: input pin default format configured");
1531 ** Probe pin for available medias (may be a previously configured one)
1534 if( FAILED( p_output_pin->EnumMediaTypes( &p_enummt ) ) )
1536 p_output_pin->Release();
1540 while( p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1542 int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1543 if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Video
1544 && p_mt->formattype == FORMAT_VideoInfo )
1546 int i_current_width = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1547 int i_current_height = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1548 LONGLONG i_current_atpf = ((VIDEOINFOHEADER *)p_mt->pbFormat)->AvgTimePerFrame;
1550 if( i_current_height < 0 )
1551 i_current_height = -i_current_height;
1553 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1554 "accepts chroma: %4.4s, width:%i, height:%i, fps:%f",
1555 (char *)&i_current_fourcc, i_current_width,
1556 i_current_height, (10000000.0f/((float)i_current_atpf)) );
1558 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1559 ( !i_width || i_width == i_current_width ) &&
1560 ( !i_height || i_height == i_current_height ) &&
1561 ( !i_AvgTimePerFrame || i_AvgTimePerFrame == i_current_atpf ) &&
1565 mt[mt_count++] = *p_mt;
1567 else FreeMediaType( *p_mt );
1569 else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Audio
1570 && p_mt->formattype == FORMAT_WaveFormatEx)
1572 int i_current_channels =
1573 ((WAVEFORMATEX *)p_mt->pbFormat)->nChannels;
1574 int i_current_samplespersec =
1575 ((WAVEFORMATEX *)p_mt->pbFormat)->nSamplesPerSec;
1576 int i_current_bitspersample =
1577 ((WAVEFORMATEX *)p_mt->pbFormat)->wBitsPerSample;
1579 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1580 "accepts format: %4.4s, channels:%i, "
1581 "samples/sec:%i bits/sample:%i",
1582 (char *)&i_current_fourcc, i_current_channels,
1583 i_current_samplespersec, i_current_bitspersample);
1585 if( (!i_channels || i_channels == i_current_channels) &&
1586 (!i_samplespersec ||
1587 i_samplespersec == i_current_samplespersec) &&
1588 (!i_bitspersample ||
1589 i_bitspersample == i_current_bitspersample) &&
1593 mt[mt_count++] = *p_mt;
1595 /* Setup a few properties like the audio latency */
1596 IAMBufferNegotiation *p_ambuf;
1597 if( SUCCEEDED( p_output_pin->QueryInterface(
1598 IID_IAMBufferNegotiation, (void **)&p_ambuf ) ) )
1600 ALLOCATOR_PROPERTIES AllocProp;
1601 AllocProp.cbAlign = -1;
1603 /* 100 ms of latency */
1604 AllocProp.cbBuffer = i_current_channels *
1605 i_current_samplespersec *
1606 i_current_bitspersample / 8 / 10;
1608 AllocProp.cbPrefix = -1;
1609 AllocProp.cBuffers = -1;
1610 p_ambuf->SuggestAllocatorProperties( &AllocProp );
1614 else FreeMediaType( *p_mt );
1616 else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Stream )
1618 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1619 "accepts stream format: %4.4s",
1620 (char *)&i_current_fourcc );
1622 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1626 mt[mt_count++] = *p_mt;
1627 i_fourcc = i_current_fourcc;
1629 else FreeMediaType( *p_mt );
1633 const char * psz_type = "unknown";
1634 if( p_mt->majortype == MEDIATYPE_Video ) psz_type = "video";
1635 if( p_mt->majortype == MEDIATYPE_Audio ) psz_type = "audio";
1636 if( p_mt->majortype == MEDIATYPE_Stream ) psz_type = "stream";
1637 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: unsupported format "
1638 "(%s %4.4s)", psz_type, (char *)&p_mt->subtype );
1640 FreeMediaType( *p_mt );
1642 CoTaskMemFree( (PVOID)p_mt );
1645 if( !mt_count && p_enummt->Reset() == S_OK )
1647 // VLC did not find any supported MEDIATYPE for this output pin.
1648 // However the graph builder might insert converter filters in
1649 // the graph if we use a different codec in VLC filter input pin.
1650 // however, in order to avoid nasty surprises, make use of this
1651 // facility only for known unsupported codecs.
1653 while( !mt_count && p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1655 // the first four bytes of subtype GUID contains the codec FOURCC
1656 const char *pfcc = (char *)&p_mt->subtype;
1657 int i_current_fourcc = VLC_FOURCC(pfcc[0], pfcc[1], pfcc[2], pfcc[3]);
1658 if( VLC_FOURCC('H','C','W','2') == i_current_fourcc
1659 && p_mt->majortype == MEDIATYPE_Video )
1661 // output format for 'Hauppauge WinTV PVR PCI II Capture'
1662 // try I420 as an input format
1663 i_current_fourcc = VLC_CODEC_I420;
1664 if( !i_fourcc || i_fourcc == i_current_fourcc )
1666 // return alternative media type
1670 mtr.majortype = MEDIATYPE_Video;
1671 mtr.subtype = MEDIASUBTYPE_I420;
1672 mtr.bFixedSizeSamples = TRUE;
1673 mtr.bTemporalCompression = FALSE;
1675 mtr.formattype = FORMAT_VideoInfo;
1676 mtr.cbFormat = sizeof(vh);
1677 mtr.pbFormat = (BYTE *)&vh;
1679 memset(&vh, 0, sizeof(vh));
1681 vh.bmiHeader.biSize = sizeof(vh.bmiHeader);
1682 vh.bmiHeader.biWidth = i_width > 0 ? i_width :
1683 ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1684 vh.bmiHeader.biHeight = i_height > 0 ? i_height :
1685 ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1686 vh.bmiHeader.biPlanes = 3;
1687 vh.bmiHeader.biBitCount = 12;
1688 vh.bmiHeader.biCompression = VLC_CODEC_I420;
1689 vh.bmiHeader.biSizeImage = vh.bmiHeader.biWidth * 12 *
1690 vh.bmiHeader.biHeight / 8;
1691 mtr.lSampleSize = vh.bmiHeader.biSizeImage;
1693 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: using 'I420' in place of unsupported format 'HCW2'");
1695 if( SUCCEEDED(CopyMediaType(mt+mt_count, &mtr)) )
1699 FreeMediaType( *p_mt );
1703 p_enummt->Release();
1704 p_output_pin->Release();
1707 p_enumpins->Release();
1711 /*****************************************************************************
1712 * ReadCompressed: reads compressed (MPEG/DV) data from the device.
1713 *****************************************************************************
1714 * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
1716 *****************************************************************************/
1717 static block_t *ReadCompressed( access_t *p_access )
1719 access_sys_t *p_sys = p_access->p_sys;
1720 dshow_stream_t *p_stream = NULL;
1721 VLCMediaSample sample;
1723 /* Read 1 DV/MPEG frame (they contain the video and audio data) */
1725 /* There must be only 1 elementary stream to produce a valid stream
1726 * of MPEG or DV data */
1727 p_stream = p_sys->pp_streams[0];
1731 if( !vlc_object_alive (p_access) ) return NULL;
1733 /* Get new sample/frame from the elementary stream (blocking). */
1734 vlc_mutex_lock( &p_sys->lock );
1736 if( p_stream->p_capture_filter->CustomGetPin()
1737 ->CustomGetSample( &sample ) != S_OK )
1739 /* No data available. Wait until some data has arrived */
1740 vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1741 vlc_mutex_unlock( &p_sys->lock );
1745 vlc_mutex_unlock( &p_sys->lock );
1752 int i_data_size = sample.p_sample->GetActualDataLength();
1754 if( !i_data_size || !(p_block = block_New( p_access, i_data_size )) )
1756 sample.p_sample->Release();
1760 sample.p_sample->GetPointer( &p_data );
1761 vlc_memcpy( p_block->p_buffer, p_data, i_data_size );
1762 sample.p_sample->Release();
1764 /* The caller got what he wanted */
1768 return NULL; /* never reached */
1771 /****************************************************************************
1773 ****************************************************************************/
1774 static int Demux( demux_t *p_demux )
1776 access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
1778 int i_found_samples;
1780 i_found_samples = 0;
1781 vlc_mutex_lock( &p_sys->lock );
1783 while ( !i_found_samples )
1785 /* Try to grab samples from all streams */
1786 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1788 dshow_stream_t *p_stream = p_sys->pp_streams[i_stream];
1789 if( p_stream->p_capture_filter &&
1790 p_stream->p_capture_filter->CustomGetPin()
1791 ->CustomGetSamples( p_stream->samples_queue ) == S_OK )
1793 i_found_samples = 1;
1797 if ( !i_found_samples)
1799 /* Didn't find any audio nor video sample, just wait till the
1800 * dshow thread pushes some samples */
1801 vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1802 /* Some DShow thread pushed data, or the OS broke the wait all
1803 * by itself. In all cases, it's *strongly* advised to test the
1804 * condition again, so let the loop do the test again */
1808 vlc_mutex_unlock( &p_sys->lock );
1810 for ( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1813 dshow_stream_t *p_stream = p_sys->pp_streams[i_stream];
1815 i_samples = p_stream->samples_queue.size();
1816 while ( i_samples > 0 )
1821 VLCMediaSample sample;
1823 sample = p_stream->samples_queue.front();
1824 p_stream->samples_queue.pop_front();
1826 i_data_size = sample.p_sample->GetActualDataLength();
1827 sample.p_sample->GetPointer( &p_data );
1829 REFERENCE_TIME i_pts, i_end_date;
1830 HRESULT hr = sample.p_sample->GetTime( &i_pts, &i_end_date );
1831 if( hr != VFW_S_NO_STOP_TIME && hr != S_OK ) i_pts = 0;
1835 if( p_stream->mt.majortype == MEDIATYPE_Video || !p_stream->b_pts )
1837 /* Use our data timestamp */
1838 i_pts = sample.i_timestamp;
1839 p_stream->b_pts = true;
1843 i_pts /= 10; /* Dshow works with 100 nano-seconds resolution */
1846 msg_Dbg( p_demux, "Read() stream: %i, size: %i, PTS: %"PRId64,
1847 i_stream, i_data_size, i_pts );
1850 p_block = block_New( p_demux, i_data_size );
1851 vlc_memcpy( p_block->p_buffer, p_data, i_data_size );
1852 p_block->i_pts = p_block->i_dts = i_pts;
1853 sample.p_sample->Release();
1855 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_pts > 0 ? i_pts : 0 );
1856 es_out_Send( p_demux->out, p_stream->p_es, p_block );
1865 /*****************************************************************************
1867 *****************************************************************************/
1868 static int AccessControl( access_t *p_access, int i_query, va_list args )
1876 case ACCESS_CAN_SEEK:
1877 case ACCESS_CAN_FASTSEEK:
1878 case ACCESS_CAN_PAUSE:
1879 case ACCESS_CAN_CONTROL_PACE:
1880 pb_bool = (bool*)va_arg( args, bool* );
1885 case ACCESS_GET_PTS_DELAY:
1886 pi_64 = (int64_t*)va_arg( args, int64_t * );
1887 *pi_64 = var_GetInteger( p_access, "dshow-caching" ) * 1000;
1891 case ACCESS_SET_PAUSE_STATE:
1892 case ACCESS_GET_TITLE_INFO:
1893 case ACCESS_SET_TITLE:
1894 case ACCESS_SET_SEEKPOINT:
1895 case ACCESS_SET_PRIVATE_ID_STATE:
1896 return VLC_EGENERIC;
1899 msg_Warn( p_access, "unimplemented query in control" );
1900 return VLC_EGENERIC;
1906 /****************************************************************************
1908 ****************************************************************************/
1909 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
1916 /* Special for access_demux */
1917 case DEMUX_CAN_PAUSE:
1918 case DEMUX_CAN_SEEK:
1919 case DEMUX_SET_PAUSE_STATE:
1920 case DEMUX_CAN_CONTROL_PACE:
1921 pb = (bool*)va_arg( args, bool * );
1925 case DEMUX_GET_PTS_DELAY:
1926 pi64 = (int64_t*)va_arg( args, int64_t * );
1927 *pi64 = var_GetInteger( p_demux, "dshow-caching" ) * 1000;
1930 case DEMUX_GET_TIME:
1931 pi64 = (int64_t*)va_arg( args, int64_t * );
1935 /* TODO implement others */
1937 return VLC_EGENERIC;
1940 return VLC_EGENERIC;
1943 /*****************************************************************************
1944 * config variable callback
1945 *****************************************************************************/
1946 static int FindDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1947 vlc_value_t newval, vlc_value_t oldval, void * )
1949 module_config_t *p_item;
1950 bool b_audio = false;
1953 p_item = config_FindConfig( p_this, psz_name );
1954 if( !p_item ) return VLC_SUCCESS;
1956 if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = true;
1958 /* Clear-up the current list */
1959 if( p_item->i_list )
1961 /* Keep the 2 first entries */
1962 for( i = 2; i < p_item->i_list; i++ )
1964 free( const_cast<char *>(p_item->ppsz_list[i]) );
1965 free( const_cast<char *>(p_item->ppsz_list_text[i]) );
1967 /* TODO: Remove when no more needed */
1968 p_item->ppsz_list[i] = NULL;
1969 p_item->ppsz_list_text[i] = NULL;
1973 /* Find list of devices */
1974 list<string> list_devices;
1976 /* Initialize OLE/COM */
1979 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1981 /* Uninitialize OLE/COM */
1984 if( list_devices.empty() ) return VLC_SUCCESS;
1986 p_item->ppsz_list = (char**)xrealloc( p_item->ppsz_list,
1987 (list_devices.size()+3) * sizeof(char *) );
1988 p_item->ppsz_list_text = (char**)xrealloc( p_item->ppsz_list_text,
1989 (list_devices.size()+3) * sizeof(char *) );
1991 list<string>::iterator iter;
1992 for( iter = list_devices.begin(), i = 2; iter != list_devices.end();
1995 p_item->ppsz_list[i] = strdup( iter->c_str() );
1996 p_item->ppsz_list_text[i] = NULL;
1999 p_item->ppsz_list[i] = NULL;
2000 p_item->ppsz_list_text[i] = NULL;
2002 /* Signal change to the interface */
2003 p_item->b_dirty = true;
2008 static int ConfigDevicesCallback( vlc_object_t *p_this, char const *psz_name,
2009 vlc_value_t newval, vlc_value_t oldval, void * )
2011 module_config_t *p_item;
2012 bool b_audio = false;
2013 char *psz_device = NULL;
2014 int i_ret = VLC_SUCCESS;
2016 if( !EMPTY_STR( newval.psz_string ) )
2017 psz_device = strdup( newval.psz_string );
2019 /* Initialize OLE/COM */
2022 p_item = config_FindConfig( p_this, psz_name );
2031 if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = true;
2037 devicename = psz_device ;
2041 /* If no device name was specified, pick the 1st one */
2042 list<string> list_devices;
2044 /* Enumerate devices */
2045 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
2046 if( list_devices.empty() )
2049 return VLC_EGENERIC;
2051 devicename = *list_devices.begin();
2054 IBaseFilter *p_device_filter =
2055 FindCaptureDevice( p_this, &devicename, NULL, b_audio );
2056 if( p_device_filter )
2058 ShowPropertyPage( p_device_filter );
2059 p_device_filter->Release();
2063 msg_Err( p_this, "didn't find device: %s", devicename.c_str() );
2064 i_ret = VLC_EGENERIC;
2067 /* Uninitialize OLE/COM */
2074 /*****************************************************************************
2076 *****************************************************************************/
2078 static void ShowPropertyPage( IUnknown *obj )
2080 ISpecifyPropertyPages *p_spec;
2083 HRESULT hr = obj->QueryInterface( IID_ISpecifyPropertyPages,
2085 if( FAILED(hr) ) return;
2087 if( SUCCEEDED(p_spec->GetPages( &cauuid )) )
2089 if( cauuid.cElems > 0 )
2091 HWND hwnd_desktop = ::GetDesktopWindow();
2093 OleCreatePropertyFrame( hwnd_desktop, 30, 30, NULL, 1, &obj,
2094 cauuid.cElems, cauuid.pElems, 0, 0, NULL );
2096 CoTaskMemFree( cauuid.pElems );
2102 static void ShowDeviceProperties( vlc_object_t *p_this,
2103 ICaptureGraphBuilder2 *p_graph,
2104 IBaseFilter *p_device_filter,
2108 msg_Dbg( p_this, "configuring Device Properties" );
2111 * Video or audio capture filter page
2113 ShowPropertyPage( p_device_filter );
2118 if( p_graph && b_audio )
2120 IAMStreamConfig *p_SC;
2122 msg_Dbg( p_this, "showing WDM Audio Configuration Pages" );
2124 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2125 &MEDIATYPE_Audio, p_device_filter,
2126 IID_IAMStreamConfig, (void **)&p_SC );
2129 ShowPropertyPage(p_SC);
2137 HRESULT hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2138 &MEDIATYPE_Audio, p_device_filter,
2139 IID_IAMTVAudio, (void **)&p_TVA );
2142 ShowPropertyPage(p_TVA);
2150 if( p_graph && !b_audio )
2152 IAMStreamConfig *p_SC;
2154 msg_Dbg( p_this, "showing WDM Video Configuration Pages" );
2156 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2157 &MEDIATYPE_Interleaved, p_device_filter,
2158 IID_IAMStreamConfig, (void **)&p_SC );
2161 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2162 &MEDIATYPE_Video, p_device_filter,
2163 IID_IAMStreamConfig, (void **)&p_SC );
2168 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2169 &MEDIATYPE_Stream, p_device_filter,
2170 IID_IAMStreamConfig, (void **)&p_SC );
2175 ShowPropertyPage(p_SC);
2181 static void ShowTunerProperties( vlc_object_t *p_this,
2182 ICaptureGraphBuilder2 *p_graph,
2183 IBaseFilter *p_device_filter,
2187 msg_Dbg( p_this, "configuring Tuner Properties" );
2189 if( !p_graph || b_audio ) return;
2192 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2193 &MEDIATYPE_Interleaved, p_device_filter,
2194 IID_IAMTVTuner, (void **)&p_TV );
2197 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2198 &MEDIATYPE_Video, p_device_filter,
2199 IID_IAMTVTuner, (void **)&p_TV );
2204 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2205 &MEDIATYPE_Stream, p_device_filter,
2206 IID_IAMTVTuner, (void **)&p_TV );
2211 ShowPropertyPage(p_TV);
2216 static void ConfigTuner( vlc_object_t *p_this, ICaptureGraphBuilder2 *p_graph,
2217 IBaseFilter *p_device_filter )
2219 int i_channel, i_country, i_input, i_amtuner_mode;
2224 if( !p_graph ) return;
2226 i_channel = var_GetInteger( p_this, "dshow-tuner-channel" );
2227 i_country = var_GetInteger( p_this, "dshow-tuner-country" );
2228 i_input = var_GetInteger( p_this, "dshow-tuner-input" );
2229 i_amtuner_mode = var_GetInteger( p_this, "dshow-amtuner-mode" );
2231 if( !i_channel && !i_country && !i_input ) return; /* Nothing to do */
2233 msg_Dbg( p_this, "tuner config: channel %i, country %i, input type %i",
2234 i_channel, i_country, i_input );
2236 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Interleaved,
2237 p_device_filter, IID_IAMTVTuner,
2241 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video,
2242 p_device_filter, IID_IAMTVTuner,
2248 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Stream,
2249 p_device_filter, IID_IAMTVTuner,
2255 msg_Dbg( p_this, "couldn't find tuner interface" );
2259 hr = p_TV->GetAvailableModes( &l_modes );
2260 if( SUCCEEDED(hr) && (l_modes & i_amtuner_mode) )
2262 hr = p_TV->put_Mode( (AMTunerModeType)i_amtuner_mode );
2265 if( i_input == 1 ) p_TV->put_InputType( 0, TunerInputCable );
2266 else if( i_input == 2 ) p_TV->put_InputType( 0, TunerInputAntenna );
2268 p_TV->put_CountryCode( i_country );
2269 p_TV->put_Channel( i_channel, AMTUNER_SUBCHAN_NO_TUNE,
2270 AMTUNER_SUBCHAN_NO_TUNE );