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_FORMAT_MACROS 1
36 #include <vlc_common.h>
37 #include <vlc_plugin.h>
38 #include <vlc_input.h>
39 #include <vlc_access.h>
40 #include <vlc_demux.h>
41 #include <vlc_dialog.h>
42 #include <vlc_charset.h>
47 /*****************************************************************************
48 * Access: local prototypes
49 *****************************************************************************/
50 static block_t *ReadCompressed( access_t * );
51 static int AccessControl ( access_t *, int, va_list );
53 static int Demux ( demux_t * );
54 static int DemuxControl( demux_t *, int, va_list );
56 static int OpenDevice( vlc_object_t *, access_sys_t *, string, bool );
57 static IBaseFilter *FindCaptureDevice( vlc_object_t *, string *,
58 list<string> *, bool );
59 static size_t EnumDeviceCaps( vlc_object_t *, IBaseFilter *,
60 int, int, int, int, int, int,
61 AM_MEDIA_TYPE *mt, size_t );
62 static bool ConnectFilters( vlc_object_t *, access_sys_t *,
63 IBaseFilter *, CaptureFilter * );
64 static int FindDevicesCallback( vlc_object_t *, char const *,
65 vlc_value_t, vlc_value_t, void * );
66 static int ConfigDevicesCallback( vlc_object_t *, char const *,
67 vlc_value_t, vlc_value_t, void * );
69 static void ShowPropertyPage( IUnknown * );
70 static void ShowDeviceProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
71 IBaseFilter *, bool );
72 static void ShowTunerProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
73 IBaseFilter *, bool );
74 static void ConfigTuner( vlc_object_t *, ICaptureGraphBuilder2 *,
77 /*****************************************************************************
79 *****************************************************************************/
80 static const char *const ppsz_vdev[] = { "", "none" };
81 static const char *const ppsz_vdev_text[] = { N_("Default"), N_("None") };
82 static const char *const ppsz_adev[] = { "", "none" };
83 static const char *const ppsz_adev_text[] = { N_("Default"), N_("None") };
84 static const int pi_tuner_input[] = { 0, 1, 2 };
85 static const char *const ppsz_tuner_input_text[] =
86 {N_("Default"), N_("Cable"), N_("Antenna")};
87 static const int pi_amtuner_mode[] = { AMTUNER_MODE_DEFAULT,
89 AMTUNER_MODE_FM_RADIO,
90 AMTUNER_MODE_AM_RADIO,
92 static const char *const ppsz_amtuner_mode_text[] = { N_("Default"),
98 #define CACHING_TEXT N_("Caching value in ms")
99 #define CACHING_LONGTEXT N_( \
100 "Caching value for DirectShow streams. " \
101 "This value should be set in milliseconds." )
102 #define VDEV_TEXT N_("Video device name")
103 #define VDEV_LONGTEXT N_( \
104 "Name of the video device that will be used by the " \
105 "DirectShow plugin. If you don't specify anything, the default device " \
107 #define ADEV_TEXT N_("Audio device name")
108 #define ADEV_LONGTEXT N_( \
109 "Name of the audio device that will be used by the " \
110 "DirectShow plugin. If you don't specify anything, the default device " \
112 #define SIZE_TEXT N_("Video size")
113 #define SIZE_LONGTEXT N_( \
114 "Size of the video that will be displayed by the " \
115 "DirectShow plugin. If you don't specify anything the default size for " \
116 "your device will be used. You can specify a standard size (cif, d1, ...) or <width>x<height>.")
117 #define CHROMA_TEXT N_("Video input chroma format")
118 #define CHROMA_LONGTEXT N_( \
119 "Force the DirectShow video input to use a specific chroma format " \
120 "(eg. I420 (default), RV24, etc.)")
121 #define FPS_TEXT N_("Video input frame rate")
122 #define FPS_LONGTEXT N_( \
123 "Force the DirectShow video input to use a specific frame rate" \
124 "(eg. 0 means default, 25, 29.97, 50, 59.94, etc.)")
125 #define CONFIG_TEXT N_("Device properties")
126 #define CONFIG_LONGTEXT N_( \
127 "Show the properties dialog of the selected device before starting the " \
129 #define TUNER_TEXT N_("Tuner properties")
130 #define TUNER_LONGTEXT N_( \
131 "Show the tuner properties [channel selection] page." )
132 #define CHANNEL_TEXT N_("Tuner TV Channel")
133 #define CHANNEL_LONGTEXT N_( \
134 "Set the TV channel the tuner will set to " \
135 "(0 means default)." )
136 #define COUNTRY_TEXT N_("Tuner country code")
137 #define COUNTRY_LONGTEXT N_( \
138 "Set the tuner country code that establishes the current " \
139 "channel-to-frequency mapping (0 means default)." )
140 #define TUNER_INPUT_TEXT N_("Tuner input type")
141 #define TUNER_INPUT_LONGTEXT N_( \
142 "Select the tuner input type (Cable/Antenna)." )
143 #define VIDEO_IN_TEXT N_("Video input pin")
144 #define VIDEO_IN_LONGTEXT N_( \
145 "Select the video input source, such as composite, s-video, " \
146 "or tuner. Since these settings are hardware-specific, you should find good " \
147 "settings in the \"Device config\" area, and use those numbers here. -1 " \
148 "means that settings will not be changed.")
149 #define AUDIO_IN_TEXT N_("Audio input pin")
150 #define AUDIO_IN_LONGTEXT N_( \
151 "Select the audio input source. See the \"video input\" option." )
152 #define VIDEO_OUT_TEXT N_("Video output pin")
153 #define VIDEO_OUT_LONGTEXT N_( \
154 "Select the video output type. See the \"video input\" option." )
155 #define AUDIO_OUT_TEXT N_("Audio output pin")
156 #define AUDIO_OUT_LONGTEXT N_( \
157 "Select the audio output type. See the \"video input\" option." )
159 #define AMTUNER_MODE_TEXT N_("AM Tuner mode")
160 #define AMTUNER_MODE_LONGTEXT N_( \
161 "AM Tuner mode. Can be one of Default (0), TV (1)," \
162 "AM Radio (2), FM Radio (3) or DSS (4).")
164 #define AUDIO_CHANNELS_TEXT N_("Number of audio channels")
165 #define AUDIO_CHANNELS_LONGTEXT N_( \
166 "Select audio input format with the given number of audio channels (if non 0)" )
168 #define AUDIO_SAMPLERATE_TEXT N_("Audio sample rate")
169 #define AUDIO_SAMPLERATE_LONGTEXT N_( \
170 "Select audio input format with the given sample rate (if non 0)" )
172 #define AUDIO_BITSPERSAMPLE_TEXT N_("Audio bits per sample")
173 #define AUDIO_BITSPERSAMPLE_LONGTEXT N_( \
174 "Select audio input format with the given bits/sample (if non 0)" )
176 static int CommonOpen ( vlc_object_t *, access_sys_t *, bool );
177 static void CommonClose( vlc_object_t *, access_sys_t * );
179 static int AccessOpen ( vlc_object_t * );
180 static void AccessClose( vlc_object_t * );
182 static int DemuxOpen ( vlc_object_t * );
183 static void DemuxClose ( vlc_object_t * );
186 set_shortname( N_("DirectShow") )
187 set_description( N_("DirectShow input") )
188 set_category( CAT_INPUT )
189 set_subcategory( SUBCAT_INPUT_ACCESS )
190 add_integer( "dshow-caching", (mtime_t)(0.2*CLOCK_FREQ) / 1000, NULL,
191 CACHING_TEXT, CACHING_LONGTEXT, true )
193 add_string( "dshow-vdev", NULL, NULL, VDEV_TEXT, VDEV_LONGTEXT, false)
194 change_string_list( ppsz_vdev, ppsz_vdev_text, FindDevicesCallback )
195 change_action_add( FindDevicesCallback, N_("Refresh list") )
196 change_action_add( ConfigDevicesCallback, N_("Configure") )
198 add_string( "dshow-adev", NULL, NULL, ADEV_TEXT, ADEV_LONGTEXT, false)
199 change_string_list( ppsz_adev, ppsz_adev_text, FindDevicesCallback )
200 change_action_add( FindDevicesCallback, N_("Refresh list") )
201 change_action_add( ConfigDevicesCallback, N_("Configure") )
203 add_string( "dshow-size", NULL, NULL, SIZE_TEXT, SIZE_LONGTEXT, false)
205 add_string( "dshow-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT, true )
207 add_float( "dshow-fps", 0.0f, NULL, FPS_TEXT, FPS_LONGTEXT, true )
209 add_bool( "dshow-config", false, NULL, CONFIG_TEXT, CONFIG_LONGTEXT, true )
211 add_bool( "dshow-tuner", false, NULL, TUNER_TEXT, TUNER_LONGTEXT, true )
213 add_integer( "dshow-tuner-channel", 0, NULL, CHANNEL_TEXT, CHANNEL_LONGTEXT,
216 add_integer( "dshow-tuner-country", 0, NULL, COUNTRY_TEXT, COUNTRY_LONGTEXT,
219 add_integer( "dshow-tuner-input", 0, NULL, TUNER_INPUT_TEXT,
220 TUNER_INPUT_LONGTEXT, true )
221 change_integer_list( pi_tuner_input, ppsz_tuner_input_text, NULL )
223 add_integer( "dshow-video-input", -1, NULL, VIDEO_IN_TEXT,
224 VIDEO_IN_LONGTEXT, true )
226 add_integer( "dshow-video-output", -1, NULL, VIDEO_OUT_TEXT,
227 VIDEO_OUT_LONGTEXT, true )
229 add_integer( "dshow-audio-input", -1, NULL, AUDIO_IN_TEXT,
230 AUDIO_IN_LONGTEXT, true )
232 add_integer( "dshow-audio-output", -1, NULL, AUDIO_OUT_TEXT,
233 AUDIO_OUT_LONGTEXT, true )
235 add_integer( "dshow-amtuner-mode", AMTUNER_MODE_TV, NULL,
236 AMTUNER_MODE_TEXT, AMTUNER_MODE_LONGTEXT, false)
237 change_integer_list( pi_amtuner_mode, ppsz_amtuner_mode_text, NULL )
239 add_integer( "dshow-audio-channels", 0, NULL, AUDIO_CHANNELS_TEXT,
240 AUDIO_CHANNELS_LONGTEXT, true )
241 add_integer( "dshow-audio-samplerate", 0, NULL, AUDIO_SAMPLERATE_TEXT,
242 AUDIO_SAMPLERATE_LONGTEXT, true )
243 add_integer( "dshow-audio-bitspersample", 0, NULL, AUDIO_BITSPERSAMPLE_TEXT,
244 AUDIO_BITSPERSAMPLE_LONGTEXT, true )
246 add_shortcut( "dshow" )
247 set_capability( "access_demux", 0 )
248 set_callbacks( DemuxOpen, DemuxClose )
251 set_description( N_("DirectShow input") )
252 add_shortcut( "dshow" )
253 set_capability( "access", 0 )
254 set_callbacks( AccessOpen, AccessClose )
258 /*****************************************************************************
259 * DirectShow elementary stream descriptor
260 *****************************************************************************/
261 typedef struct dshow_stream_t
264 IBaseFilter *p_device_filter;
265 CaptureFilter *p_capture_filter;
270 VIDEOINFOHEADER video;
280 deque<VLCMediaSample> samples_queue;
283 /*****************************************************************************
284 * DirectShow utility functions
285 *****************************************************************************/
286 static void CreateDirectShowGraph( access_sys_t *p_sys )
288 p_sys->i_crossbar_route_depth = 0;
290 /* Create directshow filter graph */
291 if( SUCCEEDED( CoCreateInstance( CLSID_FilterGraph, 0, CLSCTX_INPROC,
292 (REFIID)IID_IFilterGraph, (void **)&p_sys->p_graph) ) )
294 /* Create directshow capture graph builder if available */
295 if( SUCCEEDED( CoCreateInstance( CLSID_CaptureGraphBuilder2, 0,
296 CLSCTX_INPROC, (REFIID)IID_ICaptureGraphBuilder2,
297 (void **)&p_sys->p_capture_graph_builder2 ) ) )
299 p_sys->p_capture_graph_builder2->
300 SetFiltergraph((IGraphBuilder *)p_sys->p_graph);
303 p_sys->p_graph->QueryInterface( IID_IMediaControl,
304 (void **)&p_sys->p_control );
308 static void DeleteDirectShowGraph( access_sys_t *p_sys )
310 DeleteCrossbarRoutes( p_sys );
312 /* Remove filters from graph */
313 for( int i = 0; i < p_sys->i_streams; i++ )
315 p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_capture_filter );
316 p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_device_filter );
317 p_sys->pp_streams[i]->p_capture_filter->Release();
318 p_sys->pp_streams[i]->p_device_filter->Release();
321 /* Release directshow objects */
322 if( p_sys->p_control )
324 p_sys->p_control->Release();
325 p_sys->p_control = NULL;
327 if( p_sys->p_capture_graph_builder2 )
329 p_sys->p_capture_graph_builder2->Release();
330 p_sys->p_capture_graph_builder2 = NULL;
335 p_sys->p_graph->Release();
336 p_sys->p_graph = NULL;
340 /*****************************************************************************
341 * CommonOpen: open direct show device
342 *****************************************************************************/
343 static int CommonOpen( vlc_object_t *p_this, access_sys_t *p_sys,
344 bool b_access_demux )
349 /* Get/parse options and open device(s) */
350 string vdevname, adevname;
351 int i_width = 0, i_height = 0;
352 vlc_fourcc_t i_chroma = 0;
353 bool b_use_audio = true;
354 bool b_use_video = true;
356 /* Initialize OLE/COM */
359 var_Create( p_this, "dshow-config", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
360 var_Create( p_this, "dshow-tuner", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
361 var_Create( p_this, "dshow-vdev", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
362 var_Get( p_this, "dshow-vdev", &val );
365 msg_Dbg( p_this, "dshow-vdev: %s", val.psz_string ) ;
366 /* skip none device */
367 if ( strncasecmp( val.psz_string, "none", 4 ) != 0 )
368 vdevname = string( val.psz_string );
370 b_use_video = false ;
372 free( val.psz_string );
374 var_Create( p_this, "dshow-adev", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
375 var_Get( p_this, "dshow-adev", &val );
378 msg_Dbg( p_this, "dshow-adev: %s", val.psz_string ) ;
379 /* skip none device */
380 if ( strncasecmp( val.psz_string, "none", 4 ) != 0 )
381 adevname = string( val.psz_string );
383 b_use_audio = false ;
385 free( val.psz_string );
387 static struct {const char *psz_size; int i_width; int i_height;} size_table[] =
388 { { "subqcif", 128, 96 }, { "qsif", 160, 120 }, { "qcif", 176, 144 },
389 { "sif", 320, 240 }, { "cif", 352, 288 }, { "d1", 640, 480 },
393 var_Create( p_this, "dshow-size", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
394 var_Get( p_this, "dshow-size", &val );
395 if( val.psz_string && *val.psz_string )
397 for( i = 0; size_table[i].psz_size; i++ )
399 if( !strcmp( val.psz_string, size_table[i].psz_size ) )
401 i_width = size_table[i].i_width;
402 i_height = size_table[i].i_height;
406 if( !size_table[i].psz_size ) /* Try to parse "WidthxHeight" */
409 i_width = strtol( val.psz_string, &psz_parser, 0 );
410 if( *psz_parser == 'x' || *psz_parser == 'X')
412 i_height = strtol( psz_parser + 1, &psz_parser, 0 );
414 msg_Dbg( p_this, "width x height %dx%d", i_width, i_height );
417 free( val.psz_string );
419 p_sys->b_chroma = false;
420 var_Create( p_this, "dshow-chroma", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
421 var_Get( p_this, "dshow-chroma", &val );
423 i_chroma = vlc_fourcc_GetCodecFromString( UNKNOWN_ES, val.psz_string );
424 p_sys->b_chroma = i_chroma != 0;
425 free( val.psz_string );
427 var_Create( p_this, "dshow-fps", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
428 var_Create( p_this, "dshow-tuner-channel",
429 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
430 var_Create( p_this, "dshow-tuner-country",
431 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
432 var_Create( p_this, "dshow-tuner-input",
433 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
435 var_Create( p_this, "dshow-amtuner-mode",
436 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
438 var_Create( p_this, "dshow-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
440 var_Create( p_this, "dshow-video-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
441 var_Create( p_this, "dshow-audio-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
442 var_Create( p_this, "dshow-video-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
443 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 var_Get( p_this, "dshow-tuner", &val );
515 /* FIXME: we do MEDIATYPE_Stream here so we don't do
517 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
518 p_stream->p_device_filter, 0 );
524 msg_Dbg( p_this, "skipping audio device") ;
526 bool b_err_audio = false ;
528 if( b_use_audio && OpenDevice( p_this, p_sys, adevname, 1 ) != VLC_SUCCESS )
530 msg_Err( p_this, "can't open audio device");
534 if( ( b_use_video && b_err_video && b_use_audio && b_err_audio ) ||
535 ( !b_use_video && b_use_audio && b_err_audio ) ||
536 ( b_use_video && !b_use_audio && b_err_video ) )
538 msg_Err( p_this, "FATAL: could not open ANY device" ) ;
539 dialog_Fatal( p_this, _("Capture failed"),
540 _("VLC cannot open ANY capture device."
541 "Check the error log for details.") );
542 return VLC_EGENERIC ;
545 for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
547 var_Get( p_this, "dshow-video-input", &val );
549 p_sys->crossbar_routes[i].VideoInputIndex=val.i_int;
550 var_Get( p_this, "dshow-video-output", &val );
552 p_sys->crossbar_routes[i].VideoOutputIndex=val.i_int;
553 var_Get( p_this, "dshow-audio-input", &val );
555 p_sys->crossbar_routes[i].AudioInputIndex=val.i_int;
556 var_Get( p_this, "dshow-audio-output", &val );
558 p_sys->crossbar_routes[i].AudioOutputIndex=val.i_int;
560 IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
561 LONG VideoInputIndex = p_sys->crossbar_routes[i].VideoInputIndex;
562 LONG VideoOutputIndex = p_sys->crossbar_routes[i].VideoOutputIndex;
563 LONG AudioInputIndex = p_sys->crossbar_routes[i].AudioInputIndex;
564 LONG AudioOutputIndex = p_sys->crossbar_routes[i].AudioOutputIndex;
566 if( SUCCEEDED(pXbar->Route(VideoOutputIndex, VideoInputIndex)) )
568 msg_Dbg( p_this, "crossbar at depth %d, routed video "
569 "output %ld to video input %ld", i, VideoOutputIndex,
572 if( AudioOutputIndex != -1 && AudioInputIndex != -1 )
574 if( SUCCEEDED( pXbar->Route(AudioOutputIndex,
577 msg_Dbg(p_this, "crossbar at depth %d, routed audio "
578 "output %ld to audio input %ld", i,
579 AudioOutputIndex, AudioInputIndex );
584 msg_Err( p_this, "crossbar at depth %d could not route video "
585 "output %ld to input %ld", i, VideoOutputIndex, VideoInputIndex );
589 ** Show properties pages from other filters in graph
591 var_Get( p_this, "dshow-config", &val );
594 for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
596 IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
599 if( SUCCEEDED( pXbar->QueryInterface( IID_IBaseFilter,
602 ShowPropertyPage( p_XF );
608 /* Initialize some data */
609 p_sys->i_current_stream = 0;
611 if( !p_sys->i_streams ) return VLC_EGENERIC;
616 /*****************************************************************************
617 * DemuxOpen: open direct show device as an access_demux module
618 *****************************************************************************/
619 static int DemuxOpen( vlc_object_t *p_this )
621 demux_t *p_demux = (demux_t *)p_this;
625 p_sys = (access_sys_t*)calloc( 1, sizeof( access_sys_t ) );
628 p_demux->p_sys = (demux_sys_t *)p_sys;
630 if( CommonOpen( p_this, p_sys, true ) != VLC_SUCCESS )
632 CommonClose( p_this, p_sys );
636 /* Everything is ready. Let's rock baby */
637 msg_Dbg( p_this, "Playing...");
638 p_sys->p_control->Run();
640 p_demux->pf_demux = Demux;
641 p_demux->pf_control = DemuxControl;
642 p_demux->info.i_update = 0;
643 p_demux->info.i_title = 0;
644 p_demux->info.i_seekpoint = 0;
646 for( i = 0; i < p_sys->i_streams; i++ )
648 dshow_stream_t *p_stream = p_sys->pp_streams[i];
651 if( p_stream->mt.majortype == MEDIATYPE_Video )
653 es_format_Init( &fmt, VIDEO_ES, p_stream->i_fourcc );
655 fmt.video.i_width = p_stream->header.video.bmiHeader.biWidth;
656 fmt.video.i_height = p_stream->header.video.bmiHeader.biHeight;
657 fmt.video.i_aspect = 4 * VOUT_ASPECT_FACTOR / 3;
659 if( !p_stream->header.video.bmiHeader.biCompression )
661 /* RGB DIB are coded from bottom to top */
662 fmt.video.i_height = (unsigned int)(-(int)fmt.video.i_height);
665 /* Setup rgb mask for RGB formats */
666 if( p_stream->i_fourcc == VLC_CODEC_RGB24 )
668 /* This is in BGR format */
669 fmt.video.i_bmask = 0x00ff0000;
670 fmt.video.i_gmask = 0x0000ff00;
671 fmt.video.i_rmask = 0x000000ff;
674 if( p_stream->header.video.AvgTimePerFrame )
676 fmt.video.i_frame_rate = 10000000;
677 fmt.video.i_frame_rate_base =
678 p_stream->header.video.AvgTimePerFrame;
681 else if( p_stream->mt.majortype == MEDIATYPE_Audio )
683 es_format_Init( &fmt, AUDIO_ES, p_stream->i_fourcc );
685 fmt.audio.i_channels = p_stream->header.audio.nChannels;
686 fmt.audio.i_rate = p_stream->header.audio.nSamplesPerSec;
687 fmt.audio.i_bitspersample = p_stream->header.audio.wBitsPerSample;
688 fmt.audio.i_blockalign = fmt.audio.i_channels *
689 fmt.audio.i_bitspersample / 8;
690 fmt.i_bitrate = fmt.audio.i_channels * fmt.audio.i_rate *
691 fmt.audio.i_bitspersample;
694 p_stream->p_es = es_out_Add( p_demux->out, &fmt );
700 /*****************************************************************************
701 * AccessOpen: open direct show device as an access module
702 *****************************************************************************/
703 static int AccessOpen( vlc_object_t *p_this )
705 access_t *p_access = (access_t*)p_this;
708 p_access->p_sys = p_sys = (access_sys_t*)calloc( 1, sizeof( access_sys_t ) );
712 if( CommonOpen( p_this, p_sys, false ) != VLC_SUCCESS )
714 CommonClose( p_this, p_sys );
718 dshow_stream_t *p_stream = p_sys->pp_streams[0];
720 /* Check if we need to force demuxers */
721 if( !p_access->psz_demux || !*p_access->psz_demux )
723 if( p_stream->i_fourcc == VLC_CODEC_DV )
725 free( p_access->psz_demux );
726 p_access->psz_demux = strdup( "rawdv" );
728 else if( p_stream->i_fourcc == VLC_CODEC_MPGV )
730 free( p_access->psz_demux );
731 p_access->psz_demux = strdup( "mpgv" );
736 p_access->pf_read = NULL;
737 p_access->pf_block = ReadCompressed;
738 p_access->pf_control = AccessControl;
739 p_access->pf_seek = NULL;
740 p_access->info.i_update = 0;
741 p_access->info.i_size = 0;
742 p_access->info.i_pos = 0;
743 p_access->info.b_eof = false;
744 p_access->info.i_title = 0;
745 p_access->info.i_seekpoint = 0;
746 p_access->p_sys = p_sys;
748 /* Everything is ready. Let's rock baby */
749 msg_Dbg( p_this, "Playing...");
750 p_sys->p_control->Run();
755 /*****************************************************************************
756 * CommonClose: close device
757 *****************************************************************************/
758 static void CommonClose( vlc_object_t *p_this, access_sys_t *p_sys )
760 msg_Dbg( p_this, "releasing DirectShow");
762 DeleteDirectShowGraph( p_sys );
764 /* Uninitialize OLE/COM */
767 for( int i = 0; i < p_sys->i_streams; i++ ) delete p_sys->pp_streams[i];
768 if( p_sys->i_streams ) free( p_sys->pp_streams );
770 vlc_mutex_destroy( &p_sys->lock );
771 vlc_cond_destroy( &p_sys->wait );
776 /*****************************************************************************
777 * AccessClose: close device
778 *****************************************************************************/
779 static void AccessClose( vlc_object_t *p_this )
781 access_t *p_access = (access_t *)p_this;
782 access_sys_t *p_sys = p_access->p_sys;
784 /* Stop capturing stuff */
785 p_sys->p_control->Stop();
787 CommonClose( p_this, p_sys );
790 /*****************************************************************************
791 * DemuxClose: close device
792 *****************************************************************************/
793 static void DemuxClose( vlc_object_t *p_this )
795 demux_t *p_demux = (demux_t *)p_this;
796 access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
798 /* Stop capturing stuff */
799 p_sys->p_control->Stop();
801 CommonClose( p_this, p_sys );
804 /****************************************************************************
806 ****************************************************************************/
807 static bool ConnectFilters( vlc_object_t *p_this, access_sys_t *p_sys,
808 IBaseFilter *p_filter,
809 CaptureFilter *p_capture_filter )
811 CapturePin *p_input_pin = p_capture_filter->CustomGetPin();
813 AM_MEDIA_TYPE mediaType = p_input_pin->CustomGetMediaType();
815 if( p_sys->p_capture_graph_builder2 )
817 if( FAILED(p_sys->p_capture_graph_builder2->
818 RenderStream( &PIN_CATEGORY_CAPTURE, &mediaType.majortype,
819 p_filter, 0, (IBaseFilter *)p_capture_filter )) )
824 // Sort out all the possible video inputs
825 // The class needs to be given the capture filters ANALOGVIDEO input pin
826 IEnumPins *pins = NULL;
827 if( ( mediaType.majortype == MEDIATYPE_Video ||
828 mediaType.majortype == MEDIATYPE_Stream ) &&
829 SUCCEEDED(p_filter->EnumPins(&pins)) )
835 IKsPropertySet *pKs = NULL;
839 while( !Found && ( S_OK == pins->Next(1, &pP, &n) ) )
841 if( S_OK == pP->QueryPinInfo(&pinInfo) )
843 // is this pin an ANALOGVIDEOIN input pin?
844 if( pinInfo.dir == PINDIR_INPUT &&
845 pP->QueryInterface( IID_IKsPropertySet,
846 (void **)&pKs ) == S_OK )
848 if( pKs->Get( AMPROPSETID_Pin,
849 AMPROPERTY_PIN_CATEGORY, NULL, 0,
850 &guid, sizeof(GUID), &dw ) == S_OK )
852 if( guid == PIN_CATEGORY_ANALOGVIDEOIN )
854 // recursively search crossbar routes
855 FindCrossbarRoutes( p_this, p_sys, pP, 0 );
862 pinInfo.pFilter->Release();
867 msg_Dbg( p_this, "ConnectFilters: graph_builder2 available.") ;
869 msg_Warn( p_this, "ConnectFilters: No crossBar routes found (incobatible pin types)" ) ;
875 IEnumPins *p_enumpins;
878 if( S_OK != p_filter->EnumPins( &p_enumpins ) ) return false;
880 while( S_OK == p_enumpins->Next( 1, &p_pin, NULL ) )
882 PIN_DIRECTION pin_dir;
883 p_pin->QueryDirection( &pin_dir );
885 if( pin_dir == PINDIR_OUTPUT &&
886 p_sys->p_graph->ConnectDirect( p_pin, (IPin *)p_input_pin,
890 p_enumpins->Release();
896 p_enumpins->Release();
902 * get fourcc priority from arbritary preference, the higher the better
904 static int GetFourCCPriority( int i_fourcc )
912 case VLC_FOURCC('a','r','a','w'):
914 case VLC_CODEC_RGB24:
917 case VLC_CODEC_RGB32:
925 #define MAX_MEDIA_TYPES 32
927 static int OpenDevice( vlc_object_t *p_this, access_sys_t *p_sys,
928 string devicename, bool b_audio )
930 /* See if device is already opened */
931 for( int i = 0; i < p_sys->i_streams; i++ )
933 if( devicename.size() &&
934 p_sys->pp_streams[i]->devicename == devicename )
941 list<string> list_devices;
943 /* Enumerate devices and display their names */
944 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
945 if( !list_devices.size() )
948 list<string>::iterator iter;
949 for( iter = list_devices.begin(); iter != list_devices.end(); iter++ )
950 msg_Dbg( p_this, "found device: %s", iter->c_str() );
952 /* If no device name was specified, pick the 1st one */
953 if( devicename.size() == 0 )
955 /* When none selected */
956 devicename = *list_devices.begin();
957 msg_Dbg( p_this, "asking for default device: %s", devicename.c_str() ) ;
960 msg_Dbg( p_this, "asking for device: %s", devicename.c_str() ) ;
961 // Use the system device enumerator and class enumerator to find
962 // a capture/preview device, such as a desktop USB video camera.
963 IBaseFilter *p_device_filter =
964 FindCaptureDevice( p_this, &devicename, NULL, b_audio );
966 if( p_device_filter )
967 msg_Dbg( p_this, "using device: %s", devicename.c_str() );
970 msg_Err( p_this, "can't use device: %s, unsupported device type",
971 devicename.c_str() );
972 dialog_Fatal( p_this, _("Capture failed"),
973 _("VLC cannot use the device \"%s\", because its "
974 "type is not supported."), devicename.c_str() );
978 // Retreive acceptable media types supported by device
979 AM_MEDIA_TYPE media_types[MAX_MEDIA_TYPES];
981 EnumDeviceCaps( p_this, p_device_filter, b_audio ? 0 : p_sys->i_chroma,
982 p_sys->i_width, p_sys->i_height,
983 b_audio ? var_CreateGetInteger( p_this, "dshow-audio-channels" ) : 0,
984 b_audio ? var_CreateGetInteger( p_this, "dshow-audio-samplerate" ) : 0,
985 b_audio ? var_CreateGetInteger( p_this, "dshow-audio-bitspersample" ) : 0,
986 media_types, MAX_MEDIA_TYPES );
988 AM_MEDIA_TYPE *mt = NULL;
990 if( media_count > 0 )
992 mt = (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE) * media_count);
994 // Order and copy returned media types according to arbitrary
996 for( size_t c = 0; c < media_count; c++ )
999 GetFourCCPriority(GetFourCCFromMediaType(media_types[c]));
1000 size_t slot_copy = c;
1001 for( size_t d = c+1; d < media_count; d++ )
1004 GetFourCCPriority(GetFourCCFromMediaType(media_types[d]));
1005 if( priority > slot_priority )
1007 slot_priority = priority;
1011 if( slot_copy != c )
1013 mt[c] = media_types[slot_copy];
1014 media_types[slot_copy] = media_types[c];
1018 mt[c] = media_types[c];
1023 /* capture device */
1024 msg_Err( p_this, "capture device '%s' does not support required parameters !", devicename.c_str() );
1025 dialog_Fatal( p_this, _("Capture failed"),
1026 _("The capture device \"%s\" does not support the "
1027 "required parameters."), devicename.c_str() );
1028 p_device_filter->Release();
1029 return VLC_EGENERIC;
1032 /* Create and add our capture filter */
1033 CaptureFilter *p_capture_filter =
1034 new CaptureFilter( p_this, p_sys, mt, media_count );
1035 p_sys->p_graph->AddFilter( p_capture_filter, 0 );
1037 /* Add the device filter to the graph (seems necessary with VfW before
1038 * accessing pin attributes). */
1039 p_sys->p_graph->AddFilter( p_device_filter, 0 );
1041 /* Attempt to connect one of this device's capture output pins */
1042 msg_Dbg( p_this, "connecting filters" );
1043 if( ConnectFilters( p_this, p_sys, p_device_filter, p_capture_filter ) )
1046 msg_Dbg( p_this, "filters connected successfully !" );
1048 dshow_stream_t dshow_stream;
1049 dshow_stream.b_pts = false;
1050 dshow_stream.p_es = 0;
1052 p_capture_filter->CustomGetPin()->CustomGetMediaType();
1054 /* Show Device properties. Done here so the VLC stream is setup with
1055 * the proper parameters. */
1057 var_Get( p_this, "dshow-config", &val );
1060 ShowDeviceProperties( p_this, p_sys->p_capture_graph_builder2,
1061 p_device_filter, b_audio );
1064 ConfigTuner( p_this, p_sys->p_capture_graph_builder2,
1067 var_Get( p_this, "dshow-tuner", &val );
1068 if( val.b_bool && dshow_stream.mt.majortype != MEDIATYPE_Stream )
1070 /* FIXME: we do MEDIATYPE_Stream later so we don't do it twice. */
1071 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
1072 p_device_filter, b_audio );
1076 p_capture_filter->CustomGetPin()->CustomGetMediaType();
1078 dshow_stream.i_fourcc = GetFourCCFromMediaType( dshow_stream.mt );
1079 if( dshow_stream.i_fourcc )
1081 if( dshow_stream.mt.majortype == MEDIATYPE_Video )
1083 dshow_stream.header.video =
1084 *(VIDEOINFOHEADER *)dshow_stream.mt.pbFormat;
1085 msg_Dbg( p_this, "MEDIATYPE_Video" );
1086 msg_Dbg( p_this, "selected video pin accepts format: %4.4s",
1087 (char *)&dshow_stream.i_fourcc);
1089 else if( dshow_stream.mt.majortype == MEDIATYPE_Audio )
1091 dshow_stream.header.audio =
1092 *(WAVEFORMATEX *)dshow_stream.mt.pbFormat;
1093 msg_Dbg( p_this, "MEDIATYPE_Audio" );
1094 msg_Dbg( p_this, "selected audio pin accepts format: %4.4s",
1095 (char *)&dshow_stream.i_fourcc);
1097 else if( dshow_stream.mt.majortype == MEDIATYPE_Stream )
1099 msg_Dbg( p_this, "MEDIATYPE_Stream" );
1100 msg_Dbg( p_this, "selected stream pin accepts format: %4.4s",
1101 (char *)&dshow_stream.i_fourcc);
1105 msg_Dbg( p_this, "unknown stream majortype" );
1109 /* Add directshow elementary stream to our list */
1110 dshow_stream.p_device_filter = p_device_filter;
1111 dshow_stream.p_capture_filter = p_capture_filter;
1113 p_sys->pp_streams = (dshow_stream_t **)realloc( p_sys->pp_streams,
1114 sizeof(dshow_stream_t *) * (p_sys->i_streams + 1) );
1115 p_sys->pp_streams[p_sys->i_streams] = new dshow_stream_t;
1116 *p_sys->pp_streams[p_sys->i_streams++] = dshow_stream;
1123 /* Remove filters from graph */
1124 p_sys->p_graph->RemoveFilter( p_device_filter );
1125 p_sys->p_graph->RemoveFilter( p_capture_filter );
1127 /* Release objects */
1128 p_device_filter->Release();
1129 p_capture_filter->Release();
1131 return VLC_EGENERIC;
1134 /* FindCaptureDevices:: This Function had two purposes :
1135 Returns the list of capture devices when p_listdevices != NULL
1136 Creates an IBaseFilter when p_devicename corresponds to an existing devname
1137 These actions *may* be requested whith a single call.
1139 static IBaseFilter *
1140 FindCaptureDevice( vlc_object_t *p_this, string *p_devicename,
1141 list<string> *p_listdevices, bool b_audio )
1143 IBaseFilter *p_base_filter = NULL;
1144 IMoniker *p_moniker = NULL;
1147 list<string> devicelist;
1149 /* Create the system device enumerator */
1150 ICreateDevEnum *p_dev_enum = NULL;
1152 hr = CoCreateInstance( CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
1153 IID_ICreateDevEnum, (void **)&p_dev_enum );
1156 msg_Err( p_this, "failed to create the device enumerator (0x%lx)", hr);
1160 /* Create an enumerator for the video capture devices */
1161 IEnumMoniker *p_class_enum = NULL;
1163 hr = p_dev_enum->CreateClassEnumerator( CLSID_VideoInputDeviceCategory,
1166 hr = p_dev_enum->CreateClassEnumerator( CLSID_AudioInputDeviceCategory,
1168 p_dev_enum->Release();
1171 msg_Err( p_this, "failed to create the class enumerator (0x%lx)", hr );
1175 /* If there are no enumerators for the requested type, then
1176 * CreateClassEnumerator will succeed, but p_class_enum will be NULL */
1177 if( p_class_enum == NULL )
1179 msg_Err( p_this, "no %s capture device was detected", ( b_audio ? "audio" : "video" ) );
1183 /* Enumerate the devices */
1185 /* Note that if the Next() call succeeds but there are no monikers,
1186 * it will return S_FALSE (which is not a failure). Therefore, we check
1187 * that the return code is S_OK instead of using SUCCEEDED() macro. */
1189 while( p_class_enum->Next( 1, &p_moniker, &i_fetched ) == S_OK )
1191 /* Getting the property page to get the device name */
1192 IPropertyBag *p_bag;
1193 hr = p_moniker->BindToStorage( 0, 0, IID_IPropertyBag,
1199 hr = p_bag->Read( L"FriendlyName", &var, NULL );
1203 char *p_buf = FromWide( var.bstrVal );
1204 string devname = string(p_buf);
1208 /* find out if this name is already used by a previously found device */
1209 list<string>::const_iterator iter = devicelist.begin();
1210 list<string>::const_iterator end = devicelist.end();
1211 string ordevname = devname ;
1212 while ( iter != end )
1214 if( 0 == (*iter).compare( devname ) )
1215 { /* devname is on the list. Try another name with sequence
1216 number apended and then rescan until a unique entry is found*/
1218 snprintf(seq, 16, " #%d", ++dup);
1219 devname = ordevname + seq;
1220 iter = devicelist.begin();
1225 devicelist.push_back( devname );
1227 if( p_devicename && *p_devicename == devname )
1229 msg_Dbg( p_this, "asked for %s, binding to %s", p_devicename->c_str() , devname.c_str() ) ;
1230 /* NULL possibly means we don't need BindMoniker BindCtx ?? */
1231 hr = p_moniker->BindToObject( NULL, 0, IID_IBaseFilter,
1232 (void **)&p_base_filter );
1235 msg_Err( p_this, "couldn't bind moniker to filter "
1236 "object (0x%lx)", hr );
1237 p_moniker->Release();
1238 p_class_enum->Release();
1241 p_moniker->Release();
1242 p_class_enum->Release();
1243 return p_base_filter;
1248 p_moniker->Release();
1251 p_class_enum->Release();
1253 if( p_listdevices ) {
1255 *p_listdevices = devicelist;
1260 static size_t EnumDeviceCaps( vlc_object_t *p_this, IBaseFilter *p_filter,
1261 int i_fourcc, int i_width, int i_height,
1262 int i_channels, int i_samplespersec,
1263 int i_bitspersample, AM_MEDIA_TYPE *mt,
1266 IEnumPins *p_enumpins;
1268 IEnumMediaTypes *p_enummt;
1269 size_t mt_count = 0;
1271 LONGLONG i_AvgTimePerFrame = 0;
1272 float r_fps = var_GetFloat( p_this, "dshow-fps" );
1274 i_AvgTimePerFrame = 10000000000LL/(LONGLONG)(r_fps*1000.0f);
1276 if( FAILED(p_filter->EnumPins( &p_enumpins )) )
1278 msg_Dbg( p_this, "EnumDeviceCaps failed: no pin enumeration !");
1282 while( S_OK == p_enumpins->Next( 1, &p_output_pin, NULL ) )
1286 if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1288 msg_Dbg( p_this, "EnumDeviceCaps: %s pin: %S",
1289 info.dir == PINDIR_INPUT ? "input" : "output",
1291 if( info.pFilter ) info.pFilter->Release();
1294 p_output_pin->Release();
1297 p_enumpins->Reset();
1299 while( !mt_count && p_enumpins->Next( 1, &p_output_pin, NULL ) == S_OK )
1303 if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1305 if( info.pFilter ) info.pFilter->Release();
1306 if( info.dir == PINDIR_INPUT )
1308 p_output_pin->Release();
1311 msg_Dbg( p_this, "EnumDeviceCaps: trying pin %S", info.achName );
1314 AM_MEDIA_TYPE *p_mt;
1317 ** Configure pin with a default compatible media if possible
1320 IAMStreamConfig *pSC;
1321 if( SUCCEEDED(p_output_pin->QueryInterface( IID_IAMStreamConfig,
1324 int piCount, piSize;
1325 if( SUCCEEDED(pSC->GetNumberOfCapabilities(&piCount, &piSize)) )
1327 BYTE *pSCC= (BYTE *)CoTaskMemAlloc(piSize);
1330 int i_priority = -1;
1331 for( int i=0; i<piCount; ++i )
1333 if( SUCCEEDED(pSC->GetStreamCaps(i, &p_mt, pSCC)) )
1335 int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1336 int i_current_priority = GetFourCCPriority(i_current_fourcc);
1338 if( (i_fourcc && (i_current_fourcc != i_fourcc))
1339 || (i_priority > i_current_priority) )
1341 // unwanted chroma, try next media type
1342 FreeMediaType( *p_mt );
1343 CoTaskMemFree( (PVOID)p_mt );
1347 if( MEDIATYPE_Video == p_mt->majortype
1348 && FORMAT_VideoInfo == p_mt->formattype )
1350 VIDEO_STREAM_CONFIG_CAPS *pVSCC = reinterpret_cast<VIDEO_STREAM_CONFIG_CAPS*>(pSCC);
1351 VIDEOINFOHEADER *pVih = reinterpret_cast<VIDEOINFOHEADER*>(p_mt->pbFormat);
1353 if( i_AvgTimePerFrame )
1355 if( pVSCC->MinFrameInterval > i_AvgTimePerFrame
1356 || i_AvgTimePerFrame > pVSCC->MaxFrameInterval )
1358 // required frame rate not compatible, try next media type
1359 FreeMediaType( *p_mt );
1360 CoTaskMemFree( (PVOID)p_mt );
1363 pVih->AvgTimePerFrame = i_AvgTimePerFrame;
1368 if(( !pVSCC->OutputGranularityX
1369 && i_width != pVSCC->MinOutputSize.cx
1370 && i_width != pVSCC->MaxOutputSize.cx)
1372 ( pVSCC->OutputGranularityX
1373 && ((i_width % pVSCC->OutputGranularityX)
1374 || pVSCC->MinOutputSize.cx > i_width
1375 || i_width > pVSCC->MaxOutputSize.cx )))
1377 // required width not compatible, try next media type
1378 FreeMediaType( *p_mt );
1379 CoTaskMemFree( (PVOID)p_mt );
1382 pVih->bmiHeader.biWidth = i_width;
1387 if(( !pVSCC->OutputGranularityY
1388 && i_height != pVSCC->MinOutputSize.cy
1389 && i_height != pVSCC->MaxOutputSize.cy)
1391 ( pVSCC->OutputGranularityY
1392 && ((i_height % pVSCC->OutputGranularityY)
1393 || pVSCC->MinOutputSize.cy > i_height
1394 || i_height > pVSCC->MaxOutputSize.cy )))
1396 // required height not compatible, try next media type
1397 FreeMediaType( *p_mt );
1398 CoTaskMemFree( (PVOID)p_mt );
1401 pVih->bmiHeader.biHeight = i_height;
1404 // Set the sample size and image size.
1405 // (Round the image width up to a DWORD boundary.)
1406 p_mt->lSampleSize = pVih->bmiHeader.biSizeImage =
1407 ((pVih->bmiHeader.biWidth + 3) & ~3) *
1408 pVih->bmiHeader.biHeight * (pVih->bmiHeader.biBitCount>>3);
1410 // no cropping, use full video input buffer
1411 memset(&(pVih->rcSource), 0, sizeof(RECT));
1412 memset(&(pVih->rcTarget), 0, sizeof(RECT));
1414 // select this format as default
1415 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1417 i_priority = i_current_priority;
1419 // no need to check any more media types
1423 else if( p_mt->majortype == MEDIATYPE_Audio
1424 && p_mt->formattype == FORMAT_WaveFormatEx )
1426 AUDIO_STREAM_CONFIG_CAPS *pASCC = reinterpret_cast<AUDIO_STREAM_CONFIG_CAPS*>(pSCC);
1427 WAVEFORMATEX *pWfx = reinterpret_cast<WAVEFORMATEX*>(p_mt->pbFormat);
1429 if( i_current_fourcc && (WAVE_FORMAT_PCM == pWfx->wFormatTag) )
1431 int val = i_channels;
1435 if( ( !pASCC->ChannelsGranularity
1436 && (unsigned int)val != pASCC->MinimumChannels
1437 && (unsigned int)val != pASCC->MaximumChannels)
1439 ( pASCC->ChannelsGranularity
1440 && ((val % pASCC->ChannelsGranularity)
1441 || (unsigned int)val < pASCC->MinimumChannels
1442 || (unsigned int)val > pASCC->MaximumChannels)))
1444 // required number channels not available, try next media type
1445 FreeMediaType( *p_mt );
1446 CoTaskMemFree( (PVOID)p_mt );
1449 pWfx->nChannels = val;
1451 val = i_samplespersec;
1455 if( ( !pASCC->SampleFrequencyGranularity
1456 && (unsigned int)val != pASCC->MinimumSampleFrequency
1457 && (unsigned int)val != pASCC->MaximumSampleFrequency)
1459 ( pASCC->SampleFrequencyGranularity
1460 && ((val % pASCC->SampleFrequencyGranularity)
1461 || (unsigned int)val < pASCC->MinimumSampleFrequency
1462 || (unsigned int)val > pASCC->MaximumSampleFrequency )))
1464 // required sampling rate not available, try next media type
1465 FreeMediaType( *p_mt );
1466 CoTaskMemFree( (PVOID)p_mt );
1469 pWfx->nSamplesPerSec = val;
1471 val = i_bitspersample;
1474 if( VLC_CODEC_FL32 == i_current_fourcc )
1480 if( ( !pASCC->BitsPerSampleGranularity
1481 && (unsigned int)val != pASCC->MinimumBitsPerSample
1482 && (unsigned int)val != pASCC->MaximumBitsPerSample )
1484 ( pASCC->BitsPerSampleGranularity
1485 && ((val % pASCC->BitsPerSampleGranularity)
1486 || (unsigned int)val < pASCC->MinimumBitsPerSample
1487 || (unsigned int)val > pASCC->MaximumBitsPerSample )))
1489 // required sample size not available, try next media type
1490 FreeMediaType( *p_mt );
1491 CoTaskMemFree( (PVOID)p_mt );
1495 pWfx->wBitsPerSample = val;
1496 pWfx->nBlockAlign = (pWfx->wBitsPerSample * pWfx->nChannels)/8;
1497 pWfx->nAvgBytesPerSec = pWfx->nSamplesPerSec * pWfx->nBlockAlign;
1499 // select this format as default
1500 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1502 i_priority = i_current_priority;
1506 FreeMediaType( *p_mt );
1507 CoTaskMemFree( (PVOID)p_mt );
1510 CoTaskMemFree( (LPVOID)pSCC );
1511 if( i_priority >= 0 )
1512 msg_Dbg( p_this, "EnumDeviceCaps: input pin default format configured");
1519 ** Probe pin for available medias (may be a previously configured one)
1522 if( FAILED( p_output_pin->EnumMediaTypes( &p_enummt ) ) )
1524 p_output_pin->Release();
1528 while( p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1530 int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1531 if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Video
1532 && p_mt->formattype == FORMAT_VideoInfo )
1534 int i_current_width = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1535 int i_current_height = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1536 LONGLONG i_current_atpf = ((VIDEOINFOHEADER *)p_mt->pbFormat)->AvgTimePerFrame;
1538 if( i_current_height < 0 )
1539 i_current_height = -i_current_height;
1541 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1542 "accepts chroma: %4.4s, width:%i, height:%i, fps:%f",
1543 (char *)&i_current_fourcc, i_current_width,
1544 i_current_height, (10000000.0f/((float)i_current_atpf)) );
1546 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1547 ( !i_width || i_width == i_current_width ) &&
1548 ( !i_height || i_height == i_current_height ) &&
1549 ( !i_AvgTimePerFrame || i_AvgTimePerFrame == i_current_atpf ) &&
1553 mt[mt_count++] = *p_mt;
1555 else FreeMediaType( *p_mt );
1557 else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Audio
1558 && p_mt->formattype == FORMAT_WaveFormatEx)
1560 int i_current_channels =
1561 ((WAVEFORMATEX *)p_mt->pbFormat)->nChannels;
1562 int i_current_samplespersec =
1563 ((WAVEFORMATEX *)p_mt->pbFormat)->nSamplesPerSec;
1564 int i_current_bitspersample =
1565 ((WAVEFORMATEX *)p_mt->pbFormat)->wBitsPerSample;
1567 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1568 "accepts format: %4.4s, channels:%i, "
1569 "samples/sec:%i bits/sample:%i",
1570 (char *)&i_current_fourcc, i_current_channels,
1571 i_current_samplespersec, i_current_bitspersample);
1573 if( (!i_channels || i_channels == i_current_channels) &&
1574 (!i_samplespersec ||
1575 i_samplespersec == i_current_samplespersec) &&
1576 (!i_bitspersample ||
1577 i_bitspersample == i_current_bitspersample) &&
1581 mt[mt_count++] = *p_mt;
1583 /* Setup a few properties like the audio latency */
1584 IAMBufferNegotiation *p_ambuf;
1585 if( SUCCEEDED( p_output_pin->QueryInterface(
1586 IID_IAMBufferNegotiation, (void **)&p_ambuf ) ) )
1588 ALLOCATOR_PROPERTIES AllocProp;
1589 AllocProp.cbAlign = -1;
1591 /* 100 ms of latency */
1592 AllocProp.cbBuffer = i_current_channels *
1593 i_current_samplespersec *
1594 i_current_bitspersample / 8 / 10;
1596 AllocProp.cbPrefix = -1;
1597 AllocProp.cBuffers = -1;
1598 p_ambuf->SuggestAllocatorProperties( &AllocProp );
1602 else FreeMediaType( *p_mt );
1604 else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Stream )
1606 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1607 "accepts stream format: %4.4s",
1608 (char *)&i_current_fourcc );
1610 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1614 mt[mt_count++] = *p_mt;
1615 i_fourcc = i_current_fourcc;
1617 else FreeMediaType( *p_mt );
1621 const char * psz_type = "unknown";
1622 if( p_mt->majortype == MEDIATYPE_Video ) psz_type = "video";
1623 if( p_mt->majortype == MEDIATYPE_Audio ) psz_type = "audio";
1624 if( p_mt->majortype == MEDIATYPE_Stream ) psz_type = "stream";
1625 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: unsupported format "
1626 "(%s %4.4s)", psz_type, (char *)&p_mt->subtype );
1628 FreeMediaType( *p_mt );
1630 CoTaskMemFree( (PVOID)p_mt );
1633 if( !mt_count && p_enummt->Reset() == S_OK )
1635 // VLC did not find any supported MEDIATYPE for this output pin.
1636 // However the graph builder might insert converter filters in
1637 // the graph if we use a different codec in VLC filter input pin.
1638 // however, in order to avoid nasty surprises, make use of this
1639 // facility only for known unsupported codecs.
1641 while( !mt_count && p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1643 // the first four bytes of subtype GUID contains the codec FOURCC
1644 const char *pfcc = (char *)&p_mt->subtype;
1645 int i_current_fourcc = VLC_FOURCC(pfcc[0], pfcc[1], pfcc[2], pfcc[3]);
1646 if( VLC_FOURCC('H','C','W','2') == i_current_fourcc
1647 && p_mt->majortype == MEDIATYPE_Video )
1649 // output format for 'Hauppauge WinTV PVR PCI II Capture'
1650 // try I420 as an input format
1651 i_current_fourcc = VLC_CODEC_I420;
1652 if( !i_fourcc || i_fourcc == i_current_fourcc )
1654 // return alternative media type
1658 mtr.majortype = MEDIATYPE_Video;
1659 mtr.subtype = MEDIASUBTYPE_I420;
1660 mtr.bFixedSizeSamples = TRUE;
1661 mtr.bTemporalCompression = FALSE;
1663 mtr.formattype = FORMAT_VideoInfo;
1664 mtr.cbFormat = sizeof(vh);
1665 mtr.pbFormat = (BYTE *)&vh;
1667 memset(&vh, 0, sizeof(vh));
1669 vh.bmiHeader.biSize = sizeof(vh.bmiHeader);
1670 vh.bmiHeader.biWidth = i_width > 0 ? i_width :
1671 ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1672 vh.bmiHeader.biHeight = i_height > 0 ? i_height :
1673 ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1674 vh.bmiHeader.biPlanes = 3;
1675 vh.bmiHeader.biBitCount = 12;
1676 vh.bmiHeader.biCompression = VLC_CODEC_I420;
1677 vh.bmiHeader.biSizeImage = vh.bmiHeader.biWidth * 12 *
1678 vh.bmiHeader.biHeight / 8;
1679 mtr.lSampleSize = vh.bmiHeader.biSizeImage;
1681 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: using 'I420' in place of unsupported format 'HCW2'");
1683 if( SUCCEEDED(CopyMediaType(mt+mt_count, &mtr)) )
1687 FreeMediaType( *p_mt );
1691 p_enummt->Release();
1692 p_output_pin->Release();
1695 p_enumpins->Release();
1699 /*****************************************************************************
1700 * ReadCompressed: reads compressed (MPEG/DV) data from the device.
1701 *****************************************************************************
1702 * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
1704 *****************************************************************************/
1705 static block_t *ReadCompressed( access_t *p_access )
1707 access_sys_t *p_sys = p_access->p_sys;
1708 dshow_stream_t *p_stream = NULL;
1709 VLCMediaSample sample;
1711 /* Read 1 DV/MPEG frame (they contain the video and audio data) */
1713 /* There must be only 1 elementary stream to produce a valid stream
1714 * of MPEG or DV data */
1715 p_stream = p_sys->pp_streams[0];
1719 if( !vlc_object_alive (p_access) || p_access->b_error ) return 0;
1721 /* Get new sample/frame from the elementary stream (blocking). */
1722 vlc_mutex_lock( &p_sys->lock );
1724 if( p_stream->p_capture_filter->CustomGetPin()
1725 ->CustomGetSample( &sample ) != S_OK )
1727 /* No data available. Wait until some data has arrived */
1728 vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1729 vlc_mutex_unlock( &p_sys->lock );
1733 vlc_mutex_unlock( &p_sys->lock );
1740 int i_data_size = sample.p_sample->GetActualDataLength();
1742 if( !i_data_size || !(p_block = block_New( p_access, i_data_size )) )
1744 sample.p_sample->Release();
1748 sample.p_sample->GetPointer( &p_data );
1749 vlc_memcpy( p_block->p_buffer, p_data, i_data_size );
1750 sample.p_sample->Release();
1752 /* The caller got what he wanted */
1756 return NULL; /* never reached */
1759 /****************************************************************************
1761 ****************************************************************************/
1762 static int Demux( demux_t *p_demux )
1764 access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
1766 int i_found_samples;
1768 i_found_samples = 0;
1769 vlc_mutex_lock( &p_sys->lock );
1771 while ( !i_found_samples )
1773 /* Try to grab samples from all streams */
1774 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1776 dshow_stream_t *p_stream = p_sys->pp_streams[i_stream];
1777 if( p_stream->p_capture_filter &&
1778 p_stream->p_capture_filter->CustomGetPin()
1779 ->CustomGetSamples( p_stream->samples_queue ) == S_OK )
1781 i_found_samples = 1;
1785 if ( !i_found_samples)
1787 /* Didn't find any audio nor video sample, just wait till the
1788 * dshow thread pushes some samples */
1789 vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1790 /* Some DShow thread pushed data, or the OS broke the wait all
1791 * by itself. In all cases, it's *strongly* advised to test the
1792 * condition again, so let the loop do the test again */
1796 vlc_mutex_unlock( &p_sys->lock );
1798 for ( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1801 dshow_stream_t *p_stream = p_sys->pp_streams[i_stream];
1803 i_samples = p_stream->samples_queue.size();
1804 while ( i_samples > 0 )
1809 VLCMediaSample sample;
1811 sample = p_stream->samples_queue.front();
1812 p_stream->samples_queue.pop_front();
1814 i_data_size = sample.p_sample->GetActualDataLength();
1815 sample.p_sample->GetPointer( &p_data );
1817 REFERENCE_TIME i_pts, i_end_date;
1818 HRESULT hr = sample.p_sample->GetTime( &i_pts, &i_end_date );
1819 if( hr != VFW_S_NO_STOP_TIME && hr != S_OK ) i_pts = 0;
1823 if( p_stream->mt.majortype == MEDIATYPE_Video || !p_stream->b_pts )
1825 /* Use our data timestamp */
1826 i_pts = sample.i_timestamp;
1827 p_stream->b_pts = true;
1831 i_pts /= 10; /* Dshow works with 100 nano-seconds resolution */
1834 msg_Dbg( p_demux, "Read() stream: %i, size: %i, PTS: %"PRId64,
1835 i_stream, i_data_size, i_pts );
1838 p_block = block_New( p_demux, i_data_size );
1839 vlc_memcpy( p_block->p_buffer, p_data, i_data_size );
1840 p_block->i_pts = p_block->i_dts = i_pts;
1841 sample.p_sample->Release();
1843 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_pts > 0 ? i_pts : 0 );
1844 es_out_Send( p_demux->out, p_stream->p_es, p_block );
1853 /*****************************************************************************
1855 *****************************************************************************/
1856 static int AccessControl( access_t *p_access, int i_query, va_list args )
1865 case ACCESS_CAN_SEEK:
1866 case ACCESS_CAN_FASTSEEK:
1867 case ACCESS_CAN_PAUSE:
1868 case ACCESS_CAN_CONTROL_PACE:
1869 pb_bool = (bool*)va_arg( args, bool* );
1874 case ACCESS_GET_PTS_DELAY:
1875 pi_64 = (int64_t*)va_arg( args, int64_t * );
1876 *pi_64 = (int64_t)var_GetInteger( p_access, "dshow-caching" ) * 1000;
1880 case ACCESS_SET_PAUSE_STATE:
1881 case ACCESS_GET_TITLE_INFO:
1882 case ACCESS_SET_TITLE:
1883 case ACCESS_SET_SEEKPOINT:
1884 case ACCESS_SET_PRIVATE_ID_STATE:
1885 return VLC_EGENERIC;
1888 msg_Warn( p_access, "unimplemented query in control" );
1889 return VLC_EGENERIC;
1895 /****************************************************************************
1897 ****************************************************************************/
1898 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
1905 /* Special for access_demux */
1906 case DEMUX_CAN_PAUSE:
1907 case DEMUX_CAN_SEEK:
1908 case DEMUX_SET_PAUSE_STATE:
1909 case DEMUX_CAN_CONTROL_PACE:
1910 pb = (bool*)va_arg( args, bool * );
1914 case DEMUX_GET_PTS_DELAY:
1915 pi64 = (int64_t*)va_arg( args, int64_t * );
1916 *pi64 = (int64_t)var_GetInteger( p_demux, "dshow-caching" ) * 1000;
1919 case DEMUX_GET_TIME:
1920 pi64 = (int64_t*)va_arg( args, int64_t * );
1924 /* TODO implement others */
1926 return VLC_EGENERIC;
1929 return VLC_EGENERIC;
1932 /*****************************************************************************
1933 * config variable callback
1934 *****************************************************************************/
1935 static int FindDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1936 vlc_value_t newval, vlc_value_t oldval, void * )
1938 module_config_t *p_item;
1939 bool b_audio = false;
1942 p_item = config_FindConfig( p_this, psz_name );
1943 if( !p_item ) return VLC_SUCCESS;
1945 if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = true;
1947 /* Clear-up the current list */
1948 if( p_item->i_list )
1950 /* Keep the 2 first entries */
1951 for( i = 2; i < p_item->i_list; i++ )
1953 free( const_cast<char *>(p_item->ppsz_list[i]) );
1954 free( const_cast<char *>(p_item->ppsz_list_text[i]) );
1956 /* TODO: Remove when no more needed */
1957 p_item->ppsz_list[i] = NULL;
1958 p_item->ppsz_list_text[i] = NULL;
1962 /* Find list of devices */
1963 list<string> list_devices;
1965 /* Initialize OLE/COM */
1968 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1970 /* Uninitialize OLE/COM */
1973 if( !list_devices.size() ) return VLC_SUCCESS;
1976 (char **)realloc( p_item->ppsz_list,
1977 (list_devices.size()+3) * sizeof(char *) );
1978 p_item->ppsz_list_text =
1979 (char **)realloc( p_item->ppsz_list_text,
1980 (list_devices.size()+3) * sizeof(char *) );
1982 list<string>::iterator iter;
1983 for( iter = list_devices.begin(), i = 2; iter != list_devices.end();
1986 p_item->ppsz_list[i] = strdup( iter->c_str() );
1987 p_item->ppsz_list_text[i] = NULL;
1990 p_item->ppsz_list[i] = NULL;
1991 p_item->ppsz_list_text[i] = NULL;
1993 /* Signal change to the interface */
1994 p_item->b_dirty = true;
1999 static int ConfigDevicesCallback( vlc_object_t *p_this, char const *psz_name,
2000 vlc_value_t newval, vlc_value_t oldval, void * )
2002 module_config_t *p_item;
2003 bool b_audio = false;
2005 /* Initialize OLE/COM */
2008 p_item = config_FindConfig( p_this, psz_name );
2009 if( !p_item ) return VLC_SUCCESS;
2011 if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = true;
2015 if( newval.psz_string && *newval.psz_string )
2017 devicename = newval.psz_string;
2021 /* If no device name was specified, pick the 1st one */
2022 list<string> list_devices;
2024 /* Enumerate devices */
2025 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
2026 if( !list_devices.size() ) return VLC_EGENERIC;
2027 devicename = *list_devices.begin();
2030 IBaseFilter *p_device_filter =
2031 FindCaptureDevice( p_this, &devicename, NULL, b_audio );
2032 if( p_device_filter )
2034 ShowPropertyPage( p_device_filter );
2035 p_device_filter->Release();
2039 /* Uninitialize OLE/COM */
2042 msg_Err( p_this, "didn't find device: %s", devicename.c_str() );
2043 return VLC_EGENERIC;
2046 /* Uninitialize OLE/COM */
2052 /*****************************************************************************
2054 *****************************************************************************/
2056 static void ShowPropertyPage( IUnknown *obj )
2058 ISpecifyPropertyPages *p_spec;
2061 HRESULT hr = obj->QueryInterface( IID_ISpecifyPropertyPages,
2063 if( FAILED(hr) ) return;
2065 if( SUCCEEDED(p_spec->GetPages( &cauuid )) )
2067 if( cauuid.cElems > 0 )
2069 HWND hwnd_desktop = ::GetDesktopWindow();
2071 OleCreatePropertyFrame( hwnd_desktop, 30, 30, NULL, 1, &obj,
2072 cauuid.cElems, cauuid.pElems, 0, 0, NULL );
2074 CoTaskMemFree( cauuid.pElems );
2080 static void ShowDeviceProperties( vlc_object_t *p_this,
2081 ICaptureGraphBuilder2 *p_graph,
2082 IBaseFilter *p_device_filter,
2086 msg_Dbg( p_this, "configuring Device Properties" );
2089 * Video or audio capture filter page
2091 ShowPropertyPage( p_device_filter );
2096 if( p_graph && b_audio )
2098 IAMStreamConfig *p_SC;
2100 msg_Dbg( p_this, "showing WDM Audio Configuration Pages" );
2102 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2103 &MEDIATYPE_Audio, p_device_filter,
2104 IID_IAMStreamConfig, (void **)&p_SC );
2107 ShowPropertyPage(p_SC);
2115 HRESULT hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2116 &MEDIATYPE_Audio, p_device_filter,
2117 IID_IAMTVAudio, (void **)&p_TVA );
2120 ShowPropertyPage(p_TVA);
2128 if( p_graph && !b_audio )
2130 IAMStreamConfig *p_SC;
2132 msg_Dbg( p_this, "showing WDM Video Configuration Pages" );
2134 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2135 &MEDIATYPE_Interleaved, p_device_filter,
2136 IID_IAMStreamConfig, (void **)&p_SC );
2139 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2140 &MEDIATYPE_Video, p_device_filter,
2141 IID_IAMStreamConfig, (void **)&p_SC );
2146 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2147 &MEDIATYPE_Stream, p_device_filter,
2148 IID_IAMStreamConfig, (void **)&p_SC );
2153 ShowPropertyPage(p_SC);
2159 static void ShowTunerProperties( vlc_object_t *p_this,
2160 ICaptureGraphBuilder2 *p_graph,
2161 IBaseFilter *p_device_filter,
2165 msg_Dbg( p_this, "configuring Tuner Properties" );
2167 if( !p_graph || b_audio ) return;
2170 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2171 &MEDIATYPE_Interleaved, p_device_filter,
2172 IID_IAMTVTuner, (void **)&p_TV );
2175 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2176 &MEDIATYPE_Video, p_device_filter,
2177 IID_IAMTVTuner, (void **)&p_TV );
2182 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2183 &MEDIATYPE_Stream, p_device_filter,
2184 IID_IAMTVTuner, (void **)&p_TV );
2189 ShowPropertyPage(p_TV);
2194 static void ConfigTuner( vlc_object_t *p_this, ICaptureGraphBuilder2 *p_graph,
2195 IBaseFilter *p_device_filter )
2197 int i_channel, i_country, i_input, i_amtuner_mode;
2202 if( !p_graph ) return;
2204 i_channel = var_GetInteger( p_this, "dshow-tuner-channel" );
2205 i_country = var_GetInteger( p_this, "dshow-tuner-country" );
2206 i_input = var_GetInteger( p_this, "dshow-tuner-input" );
2207 i_amtuner_mode = var_GetInteger( p_this, "dshow-amtuner-mode" );
2209 if( !i_channel && !i_country && !i_input ) return; /* Nothing to do */
2211 msg_Dbg( p_this, "tuner config: channel %i, country %i, input type %i",
2212 i_channel, i_country, i_input );
2214 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Interleaved,
2215 p_device_filter, IID_IAMTVTuner,
2219 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video,
2220 p_device_filter, IID_IAMTVTuner,
2226 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Stream,
2227 p_device_filter, IID_IAMTVTuner,
2233 msg_Dbg( p_this, "couldn't find tuner interface" );
2237 hr = p_TV->GetAvailableModes( &l_modes );
2238 if( SUCCEEDED(hr) && (l_modes & i_amtuner_mode) )
2240 hr = p_TV->put_Mode( (AMTunerModeType)i_amtuner_mode );
2243 if( i_input == 1 ) p_TV->put_InputType( 0, TunerInputCable );
2244 else if( i_input == 2 ) p_TV->put_InputType( 0, TunerInputAntenna );
2246 p_TV->put_CountryCode( i_country );
2247 p_TV->put_Channel( i_channel, AMTUNER_SUBCHAN_NO_TUNE,
2248 AMTUNER_SUBCHAN_NO_TUNE );