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 CHROMA_TEXT N_("Video input chroma format")
119 #define CHROMA_LONGTEXT N_( \
120 "Force the DirectShow video input to use a specific chroma format " \
121 "(eg. I420 (default), RV24, etc.)")
122 #define FPS_TEXT N_("Video input frame rate")
123 #define FPS_LONGTEXT N_( \
124 "Force the DirectShow video input to use a specific frame rate" \
125 "(eg. 0 means default, 25, 29.97, 50, 59.94, etc.)")
126 #define CONFIG_TEXT N_("Device properties")
127 #define CONFIG_LONGTEXT N_( \
128 "Show the properties dialog of the selected device before starting the " \
130 #define TUNER_TEXT N_("Tuner properties")
131 #define TUNER_LONGTEXT N_( \
132 "Show the tuner properties [channel selection] page." )
133 #define CHANNEL_TEXT N_("Tuner TV Channel")
134 #define CHANNEL_LONGTEXT N_( \
135 "Set the TV channel the tuner will set to " \
136 "(0 means default)." )
137 #define COUNTRY_TEXT N_("Tuner country code")
138 #define COUNTRY_LONGTEXT N_( \
139 "Set the tuner country code that establishes the current " \
140 "channel-to-frequency mapping (0 means default)." )
141 #define TUNER_INPUT_TEXT N_("Tuner input type")
142 #define TUNER_INPUT_LONGTEXT N_( \
143 "Select the tuner input type (Cable/Antenna)." )
144 #define VIDEO_IN_TEXT N_("Video input pin")
145 #define VIDEO_IN_LONGTEXT N_( \
146 "Select the video input source, such as composite, s-video, " \
147 "or tuner. Since these settings are hardware-specific, you should find good " \
148 "settings in the \"Device config\" area, and use those numbers here. -1 " \
149 "means that settings will not be changed.")
150 #define AUDIO_IN_TEXT N_("Audio input pin")
151 #define AUDIO_IN_LONGTEXT N_( \
152 "Select the audio input source. See the \"video input\" option." )
153 #define VIDEO_OUT_TEXT N_("Video output pin")
154 #define VIDEO_OUT_LONGTEXT N_( \
155 "Select the video output type. See the \"video input\" option." )
156 #define AUDIO_OUT_TEXT N_("Audio output pin")
157 #define AUDIO_OUT_LONGTEXT N_( \
158 "Select the audio output type. See the \"video input\" option." )
160 #define AMTUNER_MODE_TEXT N_("AM Tuner mode")
161 #define AMTUNER_MODE_LONGTEXT N_( \
162 "AM Tuner mode. Can be one of Default (0), TV (1)," \
163 "AM Radio (2), FM Radio (3) or DSS (4).")
165 #define AUDIO_CHANNELS_TEXT N_("Number of audio channels")
166 #define AUDIO_CHANNELS_LONGTEXT N_( \
167 "Select audio input format with the given number of audio channels (if non 0)" )
169 #define AUDIO_SAMPLERATE_TEXT N_("Audio sample rate")
170 #define AUDIO_SAMPLERATE_LONGTEXT N_( \
171 "Select audio input format with the given sample rate (if non 0)" )
173 #define AUDIO_BITSPERSAMPLE_TEXT N_("Audio bits per sample")
174 #define AUDIO_BITSPERSAMPLE_LONGTEXT N_( \
175 "Select audio input format with the given bits/sample (if non 0)" )
177 static int CommonOpen ( vlc_object_t *, access_sys_t *, bool );
178 static void CommonClose( vlc_object_t *, access_sys_t * );
180 static int AccessOpen ( vlc_object_t * );
181 static void AccessClose( vlc_object_t * );
183 static int DemuxOpen ( vlc_object_t * );
184 static void DemuxClose ( vlc_object_t * );
187 set_shortname( N_("DirectShow") )
188 set_description( N_("DirectShow input") )
189 set_category( CAT_INPUT )
190 set_subcategory( SUBCAT_INPUT_ACCESS )
191 add_integer( "dshow-caching", (mtime_t)(0.2*CLOCK_FREQ) / 1000, NULL,
192 CACHING_TEXT, CACHING_LONGTEXT, true )
194 add_string( "dshow-vdev", NULL, NULL, VDEV_TEXT, VDEV_LONGTEXT, false)
195 change_string_list( ppsz_vdev, ppsz_vdev_text, FindDevicesCallback )
196 change_action_add( FindDevicesCallback, N_("Refresh list") )
197 change_action_add( ConfigDevicesCallback, N_("Configure") )
199 add_string( "dshow-adev", NULL, NULL, ADEV_TEXT, ADEV_LONGTEXT, false)
200 change_string_list( ppsz_adev, ppsz_adev_text, FindDevicesCallback )
201 change_action_add( FindDevicesCallback, N_("Refresh list") )
202 change_action_add( ConfigDevicesCallback, N_("Configure") )
204 add_string( "dshow-size", NULL, NULL, SIZE_TEXT, SIZE_LONGTEXT, false)
206 add_string( "dshow-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT, true )
208 add_float( "dshow-fps", 0.0f, NULL, FPS_TEXT, FPS_LONGTEXT, true )
210 add_bool( "dshow-config", false, NULL, CONFIG_TEXT, CONFIG_LONGTEXT, true )
212 add_bool( "dshow-tuner", false, NULL, TUNER_TEXT, TUNER_LONGTEXT, true )
214 add_integer( "dshow-tuner-channel", 0, NULL, CHANNEL_TEXT, CHANNEL_LONGTEXT,
217 add_integer( "dshow-tuner-country", 0, NULL, COUNTRY_TEXT, COUNTRY_LONGTEXT,
220 add_integer( "dshow-tuner-input", 0, NULL, TUNER_INPUT_TEXT,
221 TUNER_INPUT_LONGTEXT, true )
222 change_integer_list( pi_tuner_input, ppsz_tuner_input_text, NULL )
224 add_integer( "dshow-video-input", -1, NULL, VIDEO_IN_TEXT,
225 VIDEO_IN_LONGTEXT, true )
227 add_integer( "dshow-video-output", -1, NULL, VIDEO_OUT_TEXT,
228 VIDEO_OUT_LONGTEXT, true )
230 add_integer( "dshow-audio-input", -1, NULL, AUDIO_IN_TEXT,
231 AUDIO_IN_LONGTEXT, true )
233 add_integer( "dshow-audio-output", -1, NULL, AUDIO_OUT_TEXT,
234 AUDIO_OUT_LONGTEXT, true )
236 add_integer( "dshow-amtuner-mode", AMTUNER_MODE_TV, NULL,
237 AMTUNER_MODE_TEXT, AMTUNER_MODE_LONGTEXT, false)
238 change_integer_list( pi_amtuner_mode, ppsz_amtuner_mode_text, NULL )
240 add_integer( "dshow-audio-channels", 0, NULL, AUDIO_CHANNELS_TEXT,
241 AUDIO_CHANNELS_LONGTEXT, true )
242 add_integer( "dshow-audio-samplerate", 0, NULL, AUDIO_SAMPLERATE_TEXT,
243 AUDIO_SAMPLERATE_LONGTEXT, true )
244 add_integer( "dshow-audio-bitspersample", 0, NULL, AUDIO_BITSPERSAMPLE_TEXT,
245 AUDIO_BITSPERSAMPLE_LONGTEXT, true )
247 add_shortcut( "dshow" )
248 set_capability( "access_demux", 0 )
249 set_callbacks( DemuxOpen, DemuxClose )
252 set_description( N_("DirectShow input") )
253 add_shortcut( "dshow" )
254 set_capability( "access", 0 )
255 set_callbacks( AccessOpen, AccessClose )
259 /*****************************************************************************
260 * DirectShow elementary stream descriptor
261 *****************************************************************************/
262 typedef struct dshow_stream_t
265 IBaseFilter *p_device_filter;
266 CaptureFilter *p_capture_filter;
271 VIDEOINFOHEADER video;
281 deque<VLCMediaSample> samples_queue;
284 /*****************************************************************************
285 * DirectShow utility functions
286 *****************************************************************************/
287 static void CreateDirectShowGraph( access_sys_t *p_sys )
289 p_sys->i_crossbar_route_depth = 0;
291 /* Create directshow filter graph */
292 if( SUCCEEDED( CoCreateInstance( CLSID_FilterGraph, 0, CLSCTX_INPROC,
293 (REFIID)IID_IFilterGraph, (void **)&p_sys->p_graph) ) )
295 /* Create directshow capture graph builder if available */
296 if( SUCCEEDED( CoCreateInstance( CLSID_CaptureGraphBuilder2, 0,
297 CLSCTX_INPROC, (REFIID)IID_ICaptureGraphBuilder2,
298 (void **)&p_sys->p_capture_graph_builder2 ) ) )
300 p_sys->p_capture_graph_builder2->
301 SetFiltergraph((IGraphBuilder *)p_sys->p_graph);
304 p_sys->p_graph->QueryInterface( IID_IMediaControl,
305 (void **)&p_sys->p_control );
309 static void DeleteDirectShowGraph( access_sys_t *p_sys )
311 DeleteCrossbarRoutes( p_sys );
313 /* Remove filters from graph */
314 for( int i = 0; i < p_sys->i_streams; i++ )
316 p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_capture_filter );
317 p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_device_filter );
318 p_sys->pp_streams[i]->p_capture_filter->Release();
319 p_sys->pp_streams[i]->p_device_filter->Release();
322 /* Release directshow objects */
323 if( p_sys->p_control )
325 p_sys->p_control->Release();
326 p_sys->p_control = NULL;
328 if( p_sys->p_capture_graph_builder2 )
330 p_sys->p_capture_graph_builder2->Release();
331 p_sys->p_capture_graph_builder2 = NULL;
336 p_sys->p_graph->Release();
337 p_sys->p_graph = NULL;
341 /*****************************************************************************
342 * CommonOpen: open direct show device
343 *****************************************************************************/
344 static int CommonOpen( vlc_object_t *p_this, access_sys_t *p_sys,
345 bool b_access_demux )
350 /* Get/parse options and open device(s) */
351 string vdevname, adevname;
352 int i_width = 0, i_height = 0;
353 vlc_fourcc_t i_chroma = 0;
354 bool b_use_audio = true;
355 bool b_use_video = true;
357 /* Initialize OLE/COM */
360 var_Create( p_this, "dshow-config", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
361 var_Create( p_this, "dshow-tuner", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
362 psz_val = var_CreateGetString( p_this, "dshow-vdev" );
365 msg_Dbg( p_this, "dshow-vdev: %s", psz_val ) ;
366 /* skip none device */
367 if ( strncasecmp( psz_val, "none", 4 ) != 0 )
368 vdevname = string( psz_val );
370 b_use_video = false ;
374 psz_val = var_CreateGetString( p_this, "dshow-adev" );
377 msg_Dbg( p_this, "dshow-adev: %s", psz_val ) ;
378 /* skip none device */
379 if ( strncasecmp( psz_val, "none", 4 ) != 0 )
380 adevname = string( psz_val );
382 b_use_audio = false ;
386 static struct {const char *psz_size; int i_width; int i_height;} size_table[] =
387 { { "subqcif", 128, 96 }, { "qsif", 160, 120 }, { "qcif", 176, 144 },
388 { "sif", 320, 240 }, { "cif", 352, 288 }, { "d1", 640, 480 },
392 psz_val = var_CreateGetString( p_this, "dshow-size" );
393 if( !EMPTY_STR(psz_val) )
395 for( i = 0; size_table[i].psz_size; i++ )
397 if( !strcmp( psz_val, size_table[i].psz_size ) )
399 i_width = size_table[i].i_width;
400 i_height = size_table[i].i_height;
404 if( !size_table[i].psz_size ) /* Try to parse "WidthxHeight" */
407 i_width = strtol( psz_val, &psz_parser, 0 );
408 if( *psz_parser == 'x' || *psz_parser == 'X')
410 i_height = strtol( psz_parser + 1, &psz_parser, 0 );
412 msg_Dbg( p_this, "width x height %dx%d", i_width, i_height );
417 psz_val = var_CreateGetString( p_this, "dshow-chroma" );
418 i_chroma = vlc_fourcc_GetCodecFromString( UNKNOWN_ES, psz_val );
419 p_sys->b_chroma = i_chroma != 0;
422 var_Create( p_this, "dshow-fps", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
423 var_Create( p_this, "dshow-tuner-channel",
424 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
425 var_Create( p_this, "dshow-tuner-country",
426 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
427 var_Create( p_this, "dshow-tuner-input",
428 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
430 var_Create( p_this, "dshow-amtuner-mode",
431 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
433 var_Create( p_this, "dshow-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
435 var_Create( p_this, "dshow-video-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
436 var_Create( p_this, "dshow-audio-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
437 var_Create( p_this, "dshow-video-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
438 var_Create( p_this, "dshow-audio-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
440 /* Initialize some data */
441 p_sys->i_streams = 0;
442 p_sys->pp_streams = NULL;
443 p_sys->i_width = i_width;
444 p_sys->i_height = i_height;
445 p_sys->i_chroma = i_chroma;
447 p_sys->p_graph = NULL;
448 p_sys->p_capture_graph_builder2 = NULL;
449 p_sys->p_control = NULL;
451 /* Build directshow graph */
452 CreateDirectShowGraph( p_sys );
454 vlc_mutex_init( &p_sys->lock );
455 vlc_cond_init( &p_sys->wait );
457 if( !b_use_video && !b_use_audio )
459 dialog_Fatal( p_this, _("Capture failed"),
460 _("No video or audio device selected.") );
461 return VLC_EGENERIC ;
465 msg_Dbg( p_this, "skipping video device" ) ;
466 bool b_err_video = false ;
468 if( b_use_video && OpenDevice( p_this, p_sys, vdevname, 0 ) != VLC_SUCCESS )
470 msg_Err( p_this, "can't open video device");
474 if ( b_use_video && !b_err_video )
476 /* Check if we can handle the demuxing ourselves or need to spawn
477 * a demuxer module */
478 dshow_stream_t *p_stream = p_sys->pp_streams[p_sys->i_streams-1];
480 if( p_stream->mt.majortype == MEDIATYPE_Video )
482 if( /* Raw DV stream */
483 p_stream->i_fourcc == VLC_CODEC_DV ||
484 /* Raw MPEG video stream */
485 p_stream->i_fourcc == VLC_CODEC_MPGV )
491 /* Let the access (only) take care of that */
497 if( p_stream->mt.majortype == MEDIATYPE_Stream )
503 /* Let the access (only) take care of that */
507 if( var_GetBool( p_this, "dshow-tuner" ) )
509 /* FIXME: we do MEDIATYPE_Stream here so we don't do
511 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
512 p_stream->p_device_filter, 0 );
518 msg_Dbg( p_this, "skipping audio device") ;
520 bool b_err_audio = false ;
522 if( b_use_audio && OpenDevice( p_this, p_sys, adevname, 1 ) != VLC_SUCCESS )
524 msg_Err( p_this, "can't open audio device");
528 if( ( b_use_video && b_err_video && b_use_audio && b_err_audio ) ||
529 ( !b_use_video && b_use_audio && b_err_audio ) ||
530 ( b_use_video && !b_use_audio && b_err_video ) )
532 msg_Err( p_this, "FATAL: could not open ANY device" ) ;
533 dialog_Fatal( p_this, _("Capture failed"),
534 _("VLC cannot open ANY capture device."
535 "Check the error log for details.") );
536 return VLC_EGENERIC ;
539 for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
541 int i_val = var_GetInteger( p_this, "dshow-video-input" );
543 p_sys->crossbar_routes[i].VideoInputIndex = i_val;
544 i_val = var_GetInteger( p_this, "dshow-video-output" );
546 p_sys->crossbar_routes[i].VideoOutputIndex = i_val;
547 i_val = var_GetInteger( p_this, "dshow-audio-input" );
549 p_sys->crossbar_routes[i].AudioInputIndex = i_val;
550 i_val = var_GetInteger( p_this, "dshow-audio-output" );
552 p_sys->crossbar_routes[i].AudioOutputIndex = i_val;
554 IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
555 LONG VideoInputIndex = p_sys->crossbar_routes[i].VideoInputIndex;
556 LONG VideoOutputIndex = p_sys->crossbar_routes[i].VideoOutputIndex;
557 LONG AudioInputIndex = p_sys->crossbar_routes[i].AudioInputIndex;
558 LONG AudioOutputIndex = p_sys->crossbar_routes[i].AudioOutputIndex;
560 if( SUCCEEDED(pXbar->Route(VideoOutputIndex, VideoInputIndex)) )
562 msg_Dbg( p_this, "crossbar at depth %d, routed video "
563 "output %ld to video input %ld", i, VideoOutputIndex,
566 if( AudioOutputIndex != -1 && AudioInputIndex != -1 )
568 if( SUCCEEDED( pXbar->Route(AudioOutputIndex,
571 msg_Dbg(p_this, "crossbar at depth %d, routed audio "
572 "output %ld to audio input %ld", i,
573 AudioOutputIndex, AudioInputIndex );
578 msg_Err( p_this, "crossbar at depth %d could not route video "
579 "output %ld to input %ld", i, VideoOutputIndex, VideoInputIndex );
583 ** Show properties pages from other filters in graph
585 if( var_GetBool( p_this, "dshow-config" ) )
587 for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
589 IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
592 if( SUCCEEDED( pXbar->QueryInterface( IID_IBaseFilter,
595 ShowPropertyPage( p_XF );
601 /* Initialize some data */
602 p_sys->i_current_stream = 0;
604 if( !p_sys->i_streams ) return VLC_EGENERIC;
609 /*****************************************************************************
610 * DemuxOpen: open direct show device as an access_demux module
611 *****************************************************************************/
612 static int DemuxOpen( vlc_object_t *p_this )
614 demux_t *p_demux = (demux_t *)p_this;
618 p_sys = (access_sys_t*)calloc( 1, sizeof( access_sys_t ) );
621 p_demux->p_sys = (demux_sys_t *)p_sys;
623 if( CommonOpen( p_this, p_sys, true ) != VLC_SUCCESS )
625 CommonClose( p_this, p_sys );
629 /* Everything is ready. Let's rock baby */
630 msg_Dbg( p_this, "Playing...");
631 p_sys->p_control->Run();
633 p_demux->pf_demux = Demux;
634 p_demux->pf_control = DemuxControl;
635 p_demux->info.i_update = 0;
636 p_demux->info.i_title = 0;
637 p_demux->info.i_seekpoint = 0;
639 for( i = 0; i < p_sys->i_streams; i++ )
641 dshow_stream_t *p_stream = p_sys->pp_streams[i];
644 if( p_stream->mt.majortype == MEDIATYPE_Video )
646 es_format_Init( &fmt, VIDEO_ES, p_stream->i_fourcc );
648 fmt.video.i_width = p_stream->header.video.bmiHeader.biWidth;
649 fmt.video.i_height = p_stream->header.video.bmiHeader.biHeight;
650 fmt.video.i_sar_num = 4 * fmt.video.i_height;
651 fmt.video.i_sar_den = 4 * fmt.video.i_width;
653 if( !p_stream->header.video.bmiHeader.biCompression )
655 /* RGB DIB are coded from bottom to top */
656 fmt.video.i_height = (unsigned int)(-(int)fmt.video.i_height);
659 /* Setup rgb mask for RGB formats */
660 if( p_stream->i_fourcc == VLC_CODEC_RGB24 )
662 /* This is in BGR format */
663 fmt.video.i_bmask = 0x00ff0000;
664 fmt.video.i_gmask = 0x0000ff00;
665 fmt.video.i_rmask = 0x000000ff;
668 if( p_stream->header.video.AvgTimePerFrame )
670 fmt.video.i_frame_rate = 10000000;
671 fmt.video.i_frame_rate_base =
672 p_stream->header.video.AvgTimePerFrame;
675 else if( p_stream->mt.majortype == MEDIATYPE_Audio )
677 es_format_Init( &fmt, AUDIO_ES, p_stream->i_fourcc );
679 fmt.audio.i_channels = p_stream->header.audio.nChannels;
680 fmt.audio.i_rate = p_stream->header.audio.nSamplesPerSec;
681 fmt.audio.i_bitspersample = p_stream->header.audio.wBitsPerSample;
682 fmt.audio.i_blockalign = fmt.audio.i_channels *
683 fmt.audio.i_bitspersample / 8;
684 fmt.i_bitrate = fmt.audio.i_channels * fmt.audio.i_rate *
685 fmt.audio.i_bitspersample;
688 p_stream->p_es = es_out_Add( p_demux->out, &fmt );
694 /*****************************************************************************
695 * AccessOpen: open direct show device as an access module
696 *****************************************************************************/
697 static int AccessOpen( vlc_object_t *p_this )
699 access_t *p_access = (access_t*)p_this;
702 p_access->p_sys = p_sys = (access_sys_t*)calloc( 1, sizeof( access_sys_t ) );
706 if( CommonOpen( p_this, p_sys, false ) != VLC_SUCCESS )
708 CommonClose( p_this, p_sys );
712 dshow_stream_t *p_stream = p_sys->pp_streams[0];
714 /* Check if we need to force demuxers */
715 if( !p_access->psz_demux || !*p_access->psz_demux )
717 if( p_stream->i_fourcc == VLC_CODEC_DV )
719 free( p_access->psz_demux );
720 p_access->psz_demux = strdup( "rawdv" );
722 else if( p_stream->i_fourcc == VLC_CODEC_MPGV )
724 free( p_access->psz_demux );
725 p_access->psz_demux = strdup( "mpgv" );
730 p_access->pf_read = NULL;
731 p_access->pf_block = ReadCompressed;
732 p_access->pf_control = AccessControl;
733 p_access->pf_seek = NULL;
734 p_access->info.i_update = 0;
735 p_access->info.i_size = 0;
736 p_access->info.i_pos = 0;
737 p_access->info.b_eof = false;
738 p_access->info.i_title = 0;
739 p_access->info.i_seekpoint = 0;
740 p_access->p_sys = p_sys;
742 /* Everything is ready. Let's rock baby */
743 msg_Dbg( p_this, "Playing...");
744 p_sys->p_control->Run();
749 /*****************************************************************************
750 * CommonClose: close device
751 *****************************************************************************/
752 static void CommonClose( vlc_object_t *p_this, access_sys_t *p_sys )
754 msg_Dbg( p_this, "releasing DirectShow");
756 DeleteDirectShowGraph( p_sys );
758 /* Uninitialize OLE/COM */
761 for( int i = 0; i < p_sys->i_streams; i++ ) delete p_sys->pp_streams[i];
762 if( p_sys->i_streams ) free( p_sys->pp_streams );
764 vlc_mutex_destroy( &p_sys->lock );
765 vlc_cond_destroy( &p_sys->wait );
770 /*****************************************************************************
771 * AccessClose: close device
772 *****************************************************************************/
773 static void AccessClose( vlc_object_t *p_this )
775 access_t *p_access = (access_t *)p_this;
776 access_sys_t *p_sys = p_access->p_sys;
778 /* Stop capturing stuff */
779 p_sys->p_control->Stop();
781 CommonClose( p_this, p_sys );
784 /*****************************************************************************
785 * DemuxClose: close device
786 *****************************************************************************/
787 static void DemuxClose( vlc_object_t *p_this )
789 demux_t *p_demux = (demux_t *)p_this;
790 access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
792 /* Stop capturing stuff */
793 p_sys->p_control->Stop();
795 CommonClose( p_this, p_sys );
798 /****************************************************************************
800 ****************************************************************************/
801 static bool ConnectFilters( vlc_object_t *p_this, access_sys_t *p_sys,
802 IBaseFilter *p_filter,
803 CaptureFilter *p_capture_filter )
805 CapturePin *p_input_pin = p_capture_filter->CustomGetPin();
807 AM_MEDIA_TYPE mediaType = p_input_pin->CustomGetMediaType();
809 if( p_sys->p_capture_graph_builder2 )
811 if( FAILED(p_sys->p_capture_graph_builder2->
812 RenderStream( &PIN_CATEGORY_CAPTURE, &mediaType.majortype,
813 p_filter, 0, (IBaseFilter *)p_capture_filter )) )
818 // Sort out all the possible video inputs
819 // The class needs to be given the capture filters ANALOGVIDEO input pin
820 IEnumPins *pins = NULL;
821 if( ( mediaType.majortype == MEDIATYPE_Video ||
822 mediaType.majortype == MEDIATYPE_Stream ) &&
823 SUCCEEDED(p_filter->EnumPins(&pins)) )
829 IKsPropertySet *pKs = NULL;
833 while( !Found && ( S_OK == pins->Next(1, &pP, &n) ) )
835 if( S_OK == pP->QueryPinInfo(&pinInfo) )
837 // is this pin an ANALOGVIDEOIN input pin?
838 if( pinInfo.dir == PINDIR_INPUT &&
839 pP->QueryInterface( IID_IKsPropertySet,
840 (void **)&pKs ) == S_OK )
842 if( pKs->Get( AMPROPSETID_Pin,
843 AMPROPERTY_PIN_CATEGORY, NULL, 0,
844 &guid, sizeof(GUID), &dw ) == S_OK )
846 if( guid == PIN_CATEGORY_ANALOGVIDEOIN )
848 // recursively search crossbar routes
849 FindCrossbarRoutes( p_this, p_sys, pP, 0 );
856 pinInfo.pFilter->Release();
861 msg_Dbg( p_this, "ConnectFilters: graph_builder2 available.") ;
863 msg_Warn( p_this, "ConnectFilters: No crossBar routes found (incobatible pin types)" ) ;
869 IEnumPins *p_enumpins;
872 if( S_OK != p_filter->EnumPins( &p_enumpins ) ) return false;
874 while( S_OK == p_enumpins->Next( 1, &p_pin, NULL ) )
876 PIN_DIRECTION pin_dir;
877 p_pin->QueryDirection( &pin_dir );
879 if( pin_dir == PINDIR_OUTPUT &&
880 p_sys->p_graph->ConnectDirect( p_pin, (IPin *)p_input_pin,
884 p_enumpins->Release();
890 p_enumpins->Release();
896 * get fourcc priority from arbritary preference, the higher the better
898 static int GetFourCCPriority( int i_fourcc )
906 case VLC_FOURCC('a','r','a','w'):
908 case VLC_CODEC_RGB24:
911 case VLC_CODEC_RGB32:
919 #define MAX_MEDIA_TYPES 32
921 static int OpenDevice( vlc_object_t *p_this, access_sys_t *p_sys,
922 string devicename, bool b_audio )
924 /* See if device is already opened */
925 for( int i = 0; i < p_sys->i_streams; i++ )
927 if( devicename.size() &&
928 p_sys->pp_streams[i]->devicename == devicename )
935 list<string> list_devices;
937 /* Enumerate devices and display their names */
938 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
939 if( !list_devices.size() )
942 list<string>::iterator iter;
943 for( iter = list_devices.begin(); iter != list_devices.end(); iter++ )
944 msg_Dbg( p_this, "found device: %s", iter->c_str() );
946 /* If no device name was specified, pick the 1st one */
947 if( devicename.size() == 0 )
949 /* When none selected */
950 devicename = *list_devices.begin();
951 msg_Dbg( p_this, "asking for default device: %s", devicename.c_str() ) ;
954 msg_Dbg( p_this, "asking for device: %s", devicename.c_str() ) ;
955 // Use the system device enumerator and class enumerator to find
956 // a capture/preview device, such as a desktop USB video camera.
957 IBaseFilter *p_device_filter =
958 FindCaptureDevice( p_this, &devicename, NULL, b_audio );
960 if( p_device_filter )
961 msg_Dbg( p_this, "using device: %s", devicename.c_str() );
964 msg_Err( p_this, "can't use device: %s, unsupported device type",
965 devicename.c_str() );
966 dialog_Fatal( p_this, _("Capture failed"),
967 _("VLC cannot use the device \"%s\", because its "
968 "type is not supported."), devicename.c_str() );
972 // Retreive acceptable media types supported by device
973 AM_MEDIA_TYPE media_types[MAX_MEDIA_TYPES];
975 EnumDeviceCaps( p_this, p_device_filter, b_audio ? 0 : p_sys->i_chroma,
976 p_sys->i_width, p_sys->i_height,
977 b_audio ? var_CreateGetInteger( p_this, "dshow-audio-channels" ) : 0,
978 b_audio ? var_CreateGetInteger( p_this, "dshow-audio-samplerate" ) : 0,
979 b_audio ? var_CreateGetInteger( p_this, "dshow-audio-bitspersample" ) : 0,
980 media_types, MAX_MEDIA_TYPES );
982 AM_MEDIA_TYPE *mt = NULL;
984 if( media_count > 0 )
986 mt = (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE) * media_count);
988 // Order and copy returned media types according to arbitrary
990 for( size_t c = 0; c < media_count; c++ )
993 GetFourCCPriority(GetFourCCFromMediaType(media_types[c]));
994 size_t slot_copy = c;
995 for( size_t d = c+1; d < media_count; d++ )
998 GetFourCCPriority(GetFourCCFromMediaType(media_types[d]));
999 if( priority > slot_priority )
1001 slot_priority = priority;
1005 if( slot_copy != c )
1007 mt[c] = media_types[slot_copy];
1008 media_types[slot_copy] = media_types[c];
1012 mt[c] = media_types[c];
1017 /* capture device */
1018 msg_Err( p_this, "capture device '%s' does not support required parameters !", devicename.c_str() );
1019 dialog_Fatal( p_this, _("Capture failed"),
1020 _("The capture device \"%s\" does not support the "
1021 "required parameters."), devicename.c_str() );
1022 p_device_filter->Release();
1023 return VLC_EGENERIC;
1026 /* Create and add our capture filter */
1027 CaptureFilter *p_capture_filter =
1028 new CaptureFilter( p_this, p_sys, mt, media_count );
1029 p_sys->p_graph->AddFilter( p_capture_filter, 0 );
1031 /* Add the device filter to the graph (seems necessary with VfW before
1032 * accessing pin attributes). */
1033 p_sys->p_graph->AddFilter( p_device_filter, 0 );
1035 /* Attempt to connect one of this device's capture output pins */
1036 msg_Dbg( p_this, "connecting filters" );
1037 if( ConnectFilters( p_this, p_sys, p_device_filter, p_capture_filter ) )
1040 msg_Dbg( p_this, "filters connected successfully !" );
1042 dshow_stream_t dshow_stream;
1043 dshow_stream.b_pts = false;
1044 dshow_stream.p_es = 0;
1046 p_capture_filter->CustomGetPin()->CustomGetMediaType();
1048 /* Show Device properties. Done here so the VLC stream is setup with
1049 * the proper parameters. */
1050 if( var_GetBool( p_this, "dshow-config" ) )
1052 ShowDeviceProperties( p_this, p_sys->p_capture_graph_builder2,
1053 p_device_filter, b_audio );
1056 ConfigTuner( p_this, p_sys->p_capture_graph_builder2,
1059 if( var_GetBool( p_this, "dshow-tuner" ) &&
1060 dshow_stream.mt.majortype != MEDIATYPE_Stream )
1062 /* FIXME: we do MEDIATYPE_Stream later so we don't do it twice. */
1063 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
1064 p_device_filter, b_audio );
1068 p_capture_filter->CustomGetPin()->CustomGetMediaType();
1070 dshow_stream.i_fourcc = GetFourCCFromMediaType( dshow_stream.mt );
1071 if( dshow_stream.i_fourcc )
1073 if( dshow_stream.mt.majortype == MEDIATYPE_Video )
1075 dshow_stream.header.video =
1076 *(VIDEOINFOHEADER *)dshow_stream.mt.pbFormat;
1077 msg_Dbg( p_this, "MEDIATYPE_Video" );
1078 msg_Dbg( p_this, "selected video pin accepts format: %4.4s",
1079 (char *)&dshow_stream.i_fourcc);
1081 else if( dshow_stream.mt.majortype == MEDIATYPE_Audio )
1083 dshow_stream.header.audio =
1084 *(WAVEFORMATEX *)dshow_stream.mt.pbFormat;
1085 msg_Dbg( p_this, "MEDIATYPE_Audio" );
1086 msg_Dbg( p_this, "selected audio pin accepts format: %4.4s",
1087 (char *)&dshow_stream.i_fourcc);
1089 else if( dshow_stream.mt.majortype == MEDIATYPE_Stream )
1091 msg_Dbg( p_this, "MEDIATYPE_Stream" );
1092 msg_Dbg( p_this, "selected stream pin accepts format: %4.4s",
1093 (char *)&dshow_stream.i_fourcc);
1097 msg_Dbg( p_this, "unknown stream majortype" );
1101 /* Add directshow elementary stream to our list */
1102 dshow_stream.p_device_filter = p_device_filter;
1103 dshow_stream.p_capture_filter = p_capture_filter;
1105 p_sys->pp_streams = (dshow_stream_t **)xrealloc( p_sys->pp_streams,
1106 sizeof(dshow_stream_t *) * (p_sys->i_streams + 1) );
1107 p_sys->pp_streams[p_sys->i_streams] = new dshow_stream_t;
1108 *p_sys->pp_streams[p_sys->i_streams++] = dshow_stream;
1115 /* Remove filters from graph */
1116 p_sys->p_graph->RemoveFilter( p_device_filter );
1117 p_sys->p_graph->RemoveFilter( p_capture_filter );
1119 /* Release objects */
1120 p_device_filter->Release();
1121 p_capture_filter->Release();
1123 return VLC_EGENERIC;
1126 /* FindCaptureDevices:: This Function had two purposes :
1127 Returns the list of capture devices when p_listdevices != NULL
1128 Creates an IBaseFilter when p_devicename corresponds to an existing devname
1129 These actions *may* be requested whith a single call.
1131 static IBaseFilter *
1132 FindCaptureDevice( vlc_object_t *p_this, string *p_devicename,
1133 list<string> *p_listdevices, bool b_audio )
1135 IBaseFilter *p_base_filter = NULL;
1136 IMoniker *p_moniker = NULL;
1139 list<string> devicelist;
1141 /* Create the system device enumerator */
1142 ICreateDevEnum *p_dev_enum = NULL;
1144 hr = CoCreateInstance( CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
1145 IID_ICreateDevEnum, (void **)&p_dev_enum );
1148 msg_Err( p_this, "failed to create the device enumerator (0x%lx)", hr);
1152 /* Create an enumerator for the video capture devices */
1153 IEnumMoniker *p_class_enum = NULL;
1155 hr = p_dev_enum->CreateClassEnumerator( CLSID_VideoInputDeviceCategory,
1158 hr = p_dev_enum->CreateClassEnumerator( CLSID_AudioInputDeviceCategory,
1160 p_dev_enum->Release();
1163 msg_Err( p_this, "failed to create the class enumerator (0x%lx)", hr );
1167 /* If there are no enumerators for the requested type, then
1168 * CreateClassEnumerator will succeed, but p_class_enum will be NULL */
1169 if( p_class_enum == NULL )
1171 msg_Err( p_this, "no %s capture device was detected", ( b_audio ? "audio" : "video" ) );
1175 /* Enumerate the devices */
1177 /* Note that if the Next() call succeeds but there are no monikers,
1178 * it will return S_FALSE (which is not a failure). Therefore, we check
1179 * that the return code is S_OK instead of using SUCCEEDED() macro. */
1181 while( p_class_enum->Next( 1, &p_moniker, &i_fetched ) == S_OK )
1183 /* Getting the property page to get the device name */
1184 IPropertyBag *p_bag;
1185 hr = p_moniker->BindToStorage( 0, 0, IID_IPropertyBag,
1191 hr = p_bag->Read( L"FriendlyName", &var, NULL );
1195 char *p_buf = FromWide( var.bstrVal );
1196 string devname = string(p_buf);
1200 /* find out if this name is already used by a previously found device */
1201 list<string>::const_iterator iter = devicelist.begin();
1202 list<string>::const_iterator end = devicelist.end();
1203 string ordevname = devname ;
1204 while ( iter != end )
1206 if( 0 == (*iter).compare( devname ) )
1207 { /* devname is on the list. Try another name with sequence
1208 number apended and then rescan until a unique entry is found*/
1210 snprintf(seq, 16, " #%d", ++dup);
1211 devname = ordevname + seq;
1212 iter = devicelist.begin();
1217 devicelist.push_back( devname );
1219 if( p_devicename && *p_devicename == devname )
1221 msg_Dbg( p_this, "asked for %s, binding to %s", p_devicename->c_str() , devname.c_str() ) ;
1222 /* NULL possibly means we don't need BindMoniker BindCtx ?? */
1223 hr = p_moniker->BindToObject( NULL, 0, IID_IBaseFilter,
1224 (void **)&p_base_filter );
1227 msg_Err( p_this, "couldn't bind moniker to filter "
1228 "object (0x%lx)", hr );
1229 p_moniker->Release();
1230 p_class_enum->Release();
1233 p_moniker->Release();
1234 p_class_enum->Release();
1235 return p_base_filter;
1240 p_moniker->Release();
1243 p_class_enum->Release();
1245 if( p_listdevices ) {
1247 *p_listdevices = devicelist;
1252 static size_t EnumDeviceCaps( vlc_object_t *p_this, IBaseFilter *p_filter,
1253 int i_fourcc, int i_width, int i_height,
1254 int i_channels, int i_samplespersec,
1255 int i_bitspersample, AM_MEDIA_TYPE *mt,
1258 IEnumPins *p_enumpins;
1260 IEnumMediaTypes *p_enummt;
1261 size_t mt_count = 0;
1263 LONGLONG i_AvgTimePerFrame = 0;
1264 float r_fps = var_GetFloat( p_this, "dshow-fps" );
1266 i_AvgTimePerFrame = 10000000000LL/(LONGLONG)(r_fps*1000.0f);
1268 if( FAILED(p_filter->EnumPins( &p_enumpins )) )
1270 msg_Dbg( p_this, "EnumDeviceCaps failed: no pin enumeration !");
1274 while( S_OK == p_enumpins->Next( 1, &p_output_pin, NULL ) )
1278 if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1280 msg_Dbg( p_this, "EnumDeviceCaps: %s pin: %S",
1281 info.dir == PINDIR_INPUT ? "input" : "output",
1283 if( info.pFilter ) info.pFilter->Release();
1286 p_output_pin->Release();
1289 p_enumpins->Reset();
1291 while( !mt_count && p_enumpins->Next( 1, &p_output_pin, NULL ) == S_OK )
1295 if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1297 if( info.pFilter ) info.pFilter->Release();
1298 if( info.dir == PINDIR_INPUT )
1300 p_output_pin->Release();
1303 msg_Dbg( p_this, "EnumDeviceCaps: trying pin %S", info.achName );
1306 AM_MEDIA_TYPE *p_mt;
1309 ** Configure pin with a default compatible media if possible
1312 IAMStreamConfig *pSC;
1313 if( SUCCEEDED(p_output_pin->QueryInterface( IID_IAMStreamConfig,
1316 int piCount, piSize;
1317 if( SUCCEEDED(pSC->GetNumberOfCapabilities(&piCount, &piSize)) )
1319 BYTE *pSCC= (BYTE *)CoTaskMemAlloc(piSize);
1322 int i_priority = -1;
1323 for( int i=0; i<piCount; ++i )
1325 if( SUCCEEDED(pSC->GetStreamCaps(i, &p_mt, pSCC)) )
1327 int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1328 int i_current_priority = GetFourCCPriority(i_current_fourcc);
1330 if( (i_fourcc && (i_current_fourcc != i_fourcc))
1331 || (i_priority > i_current_priority) )
1333 // unwanted chroma, try next media type
1334 FreeMediaType( *p_mt );
1335 CoTaskMemFree( (PVOID)p_mt );
1339 if( MEDIATYPE_Video == p_mt->majortype
1340 && FORMAT_VideoInfo == p_mt->formattype )
1342 VIDEO_STREAM_CONFIG_CAPS *pVSCC = reinterpret_cast<VIDEO_STREAM_CONFIG_CAPS*>(pSCC);
1343 VIDEOINFOHEADER *pVih = reinterpret_cast<VIDEOINFOHEADER*>(p_mt->pbFormat);
1345 if( i_AvgTimePerFrame )
1347 if( pVSCC->MinFrameInterval > i_AvgTimePerFrame
1348 || i_AvgTimePerFrame > pVSCC->MaxFrameInterval )
1350 // required frame rate not compatible, try next media type
1351 FreeMediaType( *p_mt );
1352 CoTaskMemFree( (PVOID)p_mt );
1355 pVih->AvgTimePerFrame = i_AvgTimePerFrame;
1360 if(( !pVSCC->OutputGranularityX
1361 && i_width != pVSCC->MinOutputSize.cx
1362 && i_width != pVSCC->MaxOutputSize.cx)
1364 ( pVSCC->OutputGranularityX
1365 && ((i_width % pVSCC->OutputGranularityX)
1366 || pVSCC->MinOutputSize.cx > i_width
1367 || i_width > pVSCC->MaxOutputSize.cx )))
1369 // required width not compatible, try next media type
1370 FreeMediaType( *p_mt );
1371 CoTaskMemFree( (PVOID)p_mt );
1374 pVih->bmiHeader.biWidth = i_width;
1379 if(( !pVSCC->OutputGranularityY
1380 && i_height != pVSCC->MinOutputSize.cy
1381 && i_height != pVSCC->MaxOutputSize.cy)
1383 ( pVSCC->OutputGranularityY
1384 && ((i_height % pVSCC->OutputGranularityY)
1385 || pVSCC->MinOutputSize.cy > i_height
1386 || i_height > pVSCC->MaxOutputSize.cy )))
1388 // required height not compatible, try next media type
1389 FreeMediaType( *p_mt );
1390 CoTaskMemFree( (PVOID)p_mt );
1393 pVih->bmiHeader.biHeight = i_height;
1396 // Set the sample size and image size.
1397 // (Round the image width up to a DWORD boundary.)
1398 p_mt->lSampleSize = pVih->bmiHeader.biSizeImage =
1399 ((pVih->bmiHeader.biWidth + 3) & ~3) *
1400 pVih->bmiHeader.biHeight * (pVih->bmiHeader.biBitCount>>3);
1402 // no cropping, use full video input buffer
1403 memset(&(pVih->rcSource), 0, sizeof(RECT));
1404 memset(&(pVih->rcTarget), 0, sizeof(RECT));
1406 // select this format as default
1407 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1409 i_priority = i_current_priority;
1411 // no need to check any more media types
1415 else if( p_mt->majortype == MEDIATYPE_Audio
1416 && p_mt->formattype == FORMAT_WaveFormatEx )
1418 AUDIO_STREAM_CONFIG_CAPS *pASCC = reinterpret_cast<AUDIO_STREAM_CONFIG_CAPS*>(pSCC);
1419 WAVEFORMATEX *pWfx = reinterpret_cast<WAVEFORMATEX*>(p_mt->pbFormat);
1421 if( i_current_fourcc && (WAVE_FORMAT_PCM == pWfx->wFormatTag) )
1423 int val = i_channels;
1427 if( ( !pASCC->ChannelsGranularity
1428 && (unsigned int)val != pASCC->MinimumChannels
1429 && (unsigned int)val != pASCC->MaximumChannels)
1431 ( pASCC->ChannelsGranularity
1432 && ((val % pASCC->ChannelsGranularity)
1433 || (unsigned int)val < pASCC->MinimumChannels
1434 || (unsigned int)val > pASCC->MaximumChannels)))
1436 // required number channels not available, try next media type
1437 FreeMediaType( *p_mt );
1438 CoTaskMemFree( (PVOID)p_mt );
1441 pWfx->nChannels = val;
1443 val = i_samplespersec;
1447 if( ( !pASCC->SampleFrequencyGranularity
1448 && (unsigned int)val != pASCC->MinimumSampleFrequency
1449 && (unsigned int)val != pASCC->MaximumSampleFrequency)
1451 ( pASCC->SampleFrequencyGranularity
1452 && ((val % pASCC->SampleFrequencyGranularity)
1453 || (unsigned int)val < pASCC->MinimumSampleFrequency
1454 || (unsigned int)val > pASCC->MaximumSampleFrequency )))
1456 // required sampling rate not available, try next media type
1457 FreeMediaType( *p_mt );
1458 CoTaskMemFree( (PVOID)p_mt );
1461 pWfx->nSamplesPerSec = val;
1463 val = i_bitspersample;
1466 if( VLC_CODEC_FL32 == i_current_fourcc )
1472 if( ( !pASCC->BitsPerSampleGranularity
1473 && (unsigned int)val != pASCC->MinimumBitsPerSample
1474 && (unsigned int)val != pASCC->MaximumBitsPerSample )
1476 ( pASCC->BitsPerSampleGranularity
1477 && ((val % pASCC->BitsPerSampleGranularity)
1478 || (unsigned int)val < pASCC->MinimumBitsPerSample
1479 || (unsigned int)val > pASCC->MaximumBitsPerSample )))
1481 // required sample size not available, try next media type
1482 FreeMediaType( *p_mt );
1483 CoTaskMemFree( (PVOID)p_mt );
1487 pWfx->wBitsPerSample = val;
1488 pWfx->nBlockAlign = (pWfx->wBitsPerSample * pWfx->nChannels)/8;
1489 pWfx->nAvgBytesPerSec = pWfx->nSamplesPerSec * pWfx->nBlockAlign;
1491 // select this format as default
1492 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1494 i_priority = i_current_priority;
1498 FreeMediaType( *p_mt );
1499 CoTaskMemFree( (PVOID)p_mt );
1502 CoTaskMemFree( (LPVOID)pSCC );
1503 if( i_priority >= 0 )
1504 msg_Dbg( p_this, "EnumDeviceCaps: input pin default format configured");
1511 ** Probe pin for available medias (may be a previously configured one)
1514 if( FAILED( p_output_pin->EnumMediaTypes( &p_enummt ) ) )
1516 p_output_pin->Release();
1520 while( p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1522 int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1523 if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Video
1524 && p_mt->formattype == FORMAT_VideoInfo )
1526 int i_current_width = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1527 int i_current_height = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1528 LONGLONG i_current_atpf = ((VIDEOINFOHEADER *)p_mt->pbFormat)->AvgTimePerFrame;
1530 if( i_current_height < 0 )
1531 i_current_height = -i_current_height;
1533 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1534 "accepts chroma: %4.4s, width:%i, height:%i, fps:%f",
1535 (char *)&i_current_fourcc, i_current_width,
1536 i_current_height, (10000000.0f/((float)i_current_atpf)) );
1538 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1539 ( !i_width || i_width == i_current_width ) &&
1540 ( !i_height || i_height == i_current_height ) &&
1541 ( !i_AvgTimePerFrame || i_AvgTimePerFrame == i_current_atpf ) &&
1545 mt[mt_count++] = *p_mt;
1547 else FreeMediaType( *p_mt );
1549 else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Audio
1550 && p_mt->formattype == FORMAT_WaveFormatEx)
1552 int i_current_channels =
1553 ((WAVEFORMATEX *)p_mt->pbFormat)->nChannels;
1554 int i_current_samplespersec =
1555 ((WAVEFORMATEX *)p_mt->pbFormat)->nSamplesPerSec;
1556 int i_current_bitspersample =
1557 ((WAVEFORMATEX *)p_mt->pbFormat)->wBitsPerSample;
1559 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1560 "accepts format: %4.4s, channels:%i, "
1561 "samples/sec:%i bits/sample:%i",
1562 (char *)&i_current_fourcc, i_current_channels,
1563 i_current_samplespersec, i_current_bitspersample);
1565 if( (!i_channels || i_channels == i_current_channels) &&
1566 (!i_samplespersec ||
1567 i_samplespersec == i_current_samplespersec) &&
1568 (!i_bitspersample ||
1569 i_bitspersample == i_current_bitspersample) &&
1573 mt[mt_count++] = *p_mt;
1575 /* Setup a few properties like the audio latency */
1576 IAMBufferNegotiation *p_ambuf;
1577 if( SUCCEEDED( p_output_pin->QueryInterface(
1578 IID_IAMBufferNegotiation, (void **)&p_ambuf ) ) )
1580 ALLOCATOR_PROPERTIES AllocProp;
1581 AllocProp.cbAlign = -1;
1583 /* 100 ms of latency */
1584 AllocProp.cbBuffer = i_current_channels *
1585 i_current_samplespersec *
1586 i_current_bitspersample / 8 / 10;
1588 AllocProp.cbPrefix = -1;
1589 AllocProp.cBuffers = -1;
1590 p_ambuf->SuggestAllocatorProperties( &AllocProp );
1594 else FreeMediaType( *p_mt );
1596 else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Stream )
1598 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1599 "accepts stream format: %4.4s",
1600 (char *)&i_current_fourcc );
1602 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1606 mt[mt_count++] = *p_mt;
1607 i_fourcc = i_current_fourcc;
1609 else FreeMediaType( *p_mt );
1613 const char * psz_type = "unknown";
1614 if( p_mt->majortype == MEDIATYPE_Video ) psz_type = "video";
1615 if( p_mt->majortype == MEDIATYPE_Audio ) psz_type = "audio";
1616 if( p_mt->majortype == MEDIATYPE_Stream ) psz_type = "stream";
1617 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: unsupported format "
1618 "(%s %4.4s)", psz_type, (char *)&p_mt->subtype );
1620 FreeMediaType( *p_mt );
1622 CoTaskMemFree( (PVOID)p_mt );
1625 if( !mt_count && p_enummt->Reset() == S_OK )
1627 // VLC did not find any supported MEDIATYPE for this output pin.
1628 // However the graph builder might insert converter filters in
1629 // the graph if we use a different codec in VLC filter input pin.
1630 // however, in order to avoid nasty surprises, make use of this
1631 // facility only for known unsupported codecs.
1633 while( !mt_count && p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1635 // the first four bytes of subtype GUID contains the codec FOURCC
1636 const char *pfcc = (char *)&p_mt->subtype;
1637 int i_current_fourcc = VLC_FOURCC(pfcc[0], pfcc[1], pfcc[2], pfcc[3]);
1638 if( VLC_FOURCC('H','C','W','2') == i_current_fourcc
1639 && p_mt->majortype == MEDIATYPE_Video )
1641 // output format for 'Hauppauge WinTV PVR PCI II Capture'
1642 // try I420 as an input format
1643 i_current_fourcc = VLC_CODEC_I420;
1644 if( !i_fourcc || i_fourcc == i_current_fourcc )
1646 // return alternative media type
1650 mtr.majortype = MEDIATYPE_Video;
1651 mtr.subtype = MEDIASUBTYPE_I420;
1652 mtr.bFixedSizeSamples = TRUE;
1653 mtr.bTemporalCompression = FALSE;
1655 mtr.formattype = FORMAT_VideoInfo;
1656 mtr.cbFormat = sizeof(vh);
1657 mtr.pbFormat = (BYTE *)&vh;
1659 memset(&vh, 0, sizeof(vh));
1661 vh.bmiHeader.biSize = sizeof(vh.bmiHeader);
1662 vh.bmiHeader.biWidth = i_width > 0 ? i_width :
1663 ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1664 vh.bmiHeader.biHeight = i_height > 0 ? i_height :
1665 ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1666 vh.bmiHeader.biPlanes = 3;
1667 vh.bmiHeader.biBitCount = 12;
1668 vh.bmiHeader.biCompression = VLC_CODEC_I420;
1669 vh.bmiHeader.biSizeImage = vh.bmiHeader.biWidth * 12 *
1670 vh.bmiHeader.biHeight / 8;
1671 mtr.lSampleSize = vh.bmiHeader.biSizeImage;
1673 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: using 'I420' in place of unsupported format 'HCW2'");
1675 if( SUCCEEDED(CopyMediaType(mt+mt_count, &mtr)) )
1679 FreeMediaType( *p_mt );
1683 p_enummt->Release();
1684 p_output_pin->Release();
1687 p_enumpins->Release();
1691 /*****************************************************************************
1692 * ReadCompressed: reads compressed (MPEG/DV) data from the device.
1693 *****************************************************************************
1694 * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
1696 *****************************************************************************/
1697 static block_t *ReadCompressed( access_t *p_access )
1699 access_sys_t *p_sys = p_access->p_sys;
1700 dshow_stream_t *p_stream = NULL;
1701 VLCMediaSample sample;
1703 /* Read 1 DV/MPEG frame (they contain the video and audio data) */
1705 /* There must be only 1 elementary stream to produce a valid stream
1706 * of MPEG or DV data */
1707 p_stream = p_sys->pp_streams[0];
1711 if( !vlc_object_alive (p_access) || p_access->b_error ) return 0;
1713 /* Get new sample/frame from the elementary stream (blocking). */
1714 vlc_mutex_lock( &p_sys->lock );
1716 if( p_stream->p_capture_filter->CustomGetPin()
1717 ->CustomGetSample( &sample ) != S_OK )
1719 /* No data available. Wait until some data has arrived */
1720 vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1721 vlc_mutex_unlock( &p_sys->lock );
1725 vlc_mutex_unlock( &p_sys->lock );
1732 int i_data_size = sample.p_sample->GetActualDataLength();
1734 if( !i_data_size || !(p_block = block_New( p_access, i_data_size )) )
1736 sample.p_sample->Release();
1740 sample.p_sample->GetPointer( &p_data );
1741 vlc_memcpy( p_block->p_buffer, p_data, i_data_size );
1742 sample.p_sample->Release();
1744 /* The caller got what he wanted */
1748 return NULL; /* never reached */
1751 /****************************************************************************
1753 ****************************************************************************/
1754 static int Demux( demux_t *p_demux )
1756 access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
1758 int i_found_samples;
1760 i_found_samples = 0;
1761 vlc_mutex_lock( &p_sys->lock );
1763 while ( !i_found_samples )
1765 /* Try to grab samples from all streams */
1766 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1768 dshow_stream_t *p_stream = p_sys->pp_streams[i_stream];
1769 if( p_stream->p_capture_filter &&
1770 p_stream->p_capture_filter->CustomGetPin()
1771 ->CustomGetSamples( p_stream->samples_queue ) == S_OK )
1773 i_found_samples = 1;
1777 if ( !i_found_samples)
1779 /* Didn't find any audio nor video sample, just wait till the
1780 * dshow thread pushes some samples */
1781 vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1782 /* Some DShow thread pushed data, or the OS broke the wait all
1783 * by itself. In all cases, it's *strongly* advised to test the
1784 * condition again, so let the loop do the test again */
1788 vlc_mutex_unlock( &p_sys->lock );
1790 for ( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1793 dshow_stream_t *p_stream = p_sys->pp_streams[i_stream];
1795 i_samples = p_stream->samples_queue.size();
1796 while ( i_samples > 0 )
1801 VLCMediaSample sample;
1803 sample = p_stream->samples_queue.front();
1804 p_stream->samples_queue.pop_front();
1806 i_data_size = sample.p_sample->GetActualDataLength();
1807 sample.p_sample->GetPointer( &p_data );
1809 REFERENCE_TIME i_pts, i_end_date;
1810 HRESULT hr = sample.p_sample->GetTime( &i_pts, &i_end_date );
1811 if( hr != VFW_S_NO_STOP_TIME && hr != S_OK ) i_pts = 0;
1815 if( p_stream->mt.majortype == MEDIATYPE_Video || !p_stream->b_pts )
1817 /* Use our data timestamp */
1818 i_pts = sample.i_timestamp;
1819 p_stream->b_pts = true;
1823 i_pts /= 10; /* Dshow works with 100 nano-seconds resolution */
1826 msg_Dbg( p_demux, "Read() stream: %i, size: %i, PTS: %"PRId64,
1827 i_stream, i_data_size, i_pts );
1830 p_block = block_New( p_demux, i_data_size );
1831 vlc_memcpy( p_block->p_buffer, p_data, i_data_size );
1832 p_block->i_pts = p_block->i_dts = i_pts;
1833 sample.p_sample->Release();
1835 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_pts > 0 ? i_pts : 0 );
1836 es_out_Send( p_demux->out, p_stream->p_es, p_block );
1845 /*****************************************************************************
1847 *****************************************************************************/
1848 static int AccessControl( access_t *p_access, int i_query, va_list args )
1857 case ACCESS_CAN_SEEK:
1858 case ACCESS_CAN_FASTSEEK:
1859 case ACCESS_CAN_PAUSE:
1860 case ACCESS_CAN_CONTROL_PACE:
1861 pb_bool = (bool*)va_arg( args, bool* );
1866 case ACCESS_GET_PTS_DELAY:
1867 pi_64 = (int64_t*)va_arg( args, int64_t * );
1868 *pi_64 = (int64_t)var_GetInteger( p_access, "dshow-caching" ) * 1000;
1872 case ACCESS_SET_PAUSE_STATE:
1873 case ACCESS_GET_TITLE_INFO:
1874 case ACCESS_SET_TITLE:
1875 case ACCESS_SET_SEEKPOINT:
1876 case ACCESS_SET_PRIVATE_ID_STATE:
1877 return VLC_EGENERIC;
1880 msg_Warn( p_access, "unimplemented query in control" );
1881 return VLC_EGENERIC;
1887 /****************************************************************************
1889 ****************************************************************************/
1890 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
1897 /* Special for access_demux */
1898 case DEMUX_CAN_PAUSE:
1899 case DEMUX_CAN_SEEK:
1900 case DEMUX_SET_PAUSE_STATE:
1901 case DEMUX_CAN_CONTROL_PACE:
1902 pb = (bool*)va_arg( args, bool * );
1906 case DEMUX_GET_PTS_DELAY:
1907 pi64 = (int64_t*)va_arg( args, int64_t * );
1908 *pi64 = (int64_t)var_GetInteger( p_demux, "dshow-caching" ) * 1000;
1911 case DEMUX_GET_TIME:
1912 pi64 = (int64_t*)va_arg( args, int64_t * );
1916 /* TODO implement others */
1918 return VLC_EGENERIC;
1921 return VLC_EGENERIC;
1924 /*****************************************************************************
1925 * config variable callback
1926 *****************************************************************************/
1927 static int FindDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1928 vlc_value_t newval, vlc_value_t oldval, void * )
1930 module_config_t *p_item;
1931 bool b_audio = false;
1934 p_item = config_FindConfig( p_this, psz_name );
1935 if( !p_item ) return VLC_SUCCESS;
1937 if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = true;
1939 /* Clear-up the current list */
1940 if( p_item->i_list )
1942 /* Keep the 2 first entries */
1943 for( i = 2; i < p_item->i_list; i++ )
1945 free( const_cast<char *>(p_item->ppsz_list[i]) );
1946 free( const_cast<char *>(p_item->ppsz_list_text[i]) );
1948 /* TODO: Remove when no more needed */
1949 p_item->ppsz_list[i] = NULL;
1950 p_item->ppsz_list_text[i] = NULL;
1954 /* Find list of devices */
1955 list<string> list_devices;
1957 /* Initialize OLE/COM */
1960 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1962 /* Uninitialize OLE/COM */
1965 if( !list_devices.size() ) return VLC_SUCCESS;
1967 p_item->ppsz_list = (char**)xrealloc( p_item->ppsz_list,
1968 (list_devices.size()+3) * sizeof(char *) );
1969 p_item->ppsz_list_text = (char**)xrealloc( p_item->ppsz_list_text,
1970 (list_devices.size()+3) * sizeof(char *) );
1972 list<string>::iterator iter;
1973 for( iter = list_devices.begin(), i = 2; iter != list_devices.end();
1976 p_item->ppsz_list[i] = strdup( iter->c_str() );
1977 p_item->ppsz_list_text[i] = NULL;
1980 p_item->ppsz_list[i] = NULL;
1981 p_item->ppsz_list_text[i] = NULL;
1983 /* Signal change to the interface */
1984 p_item->b_dirty = true;
1989 static int ConfigDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1990 vlc_value_t newval, vlc_value_t oldval, void * )
1992 module_config_t *p_item;
1993 bool b_audio = false;
1994 char *psz_device = NULL;
1995 int i_ret = VLC_SUCCESS;
1997 if( !EMPTY_STR( newval.psz_string ) )
1998 psz_device = strdup( newval.psz_string );
2000 /* Initialize OLE/COM */
2003 p_item = config_FindConfig( p_this, psz_name );
2012 if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = true;
2018 devicename = psz_device ;
2022 /* If no device name was specified, pick the 1st one */
2023 list<string> list_devices;
2025 /* Enumerate devices */
2026 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
2027 if( !list_devices.size() )
2030 return VLC_EGENERIC;
2032 devicename = *list_devices.begin();
2035 IBaseFilter *p_device_filter =
2036 FindCaptureDevice( p_this, &devicename, NULL, b_audio );
2037 if( p_device_filter )
2039 ShowPropertyPage( p_device_filter );
2040 p_device_filter->Release();
2044 msg_Err( p_this, "didn't find device: %s", devicename.c_str() );
2045 i_ret = VLC_EGENERIC;
2048 /* Uninitialize OLE/COM */
2055 /*****************************************************************************
2057 *****************************************************************************/
2059 static void ShowPropertyPage( IUnknown *obj )
2061 ISpecifyPropertyPages *p_spec;
2064 HRESULT hr = obj->QueryInterface( IID_ISpecifyPropertyPages,
2066 if( FAILED(hr) ) return;
2068 if( SUCCEEDED(p_spec->GetPages( &cauuid )) )
2070 if( cauuid.cElems > 0 )
2072 HWND hwnd_desktop = ::GetDesktopWindow();
2074 OleCreatePropertyFrame( hwnd_desktop, 30, 30, NULL, 1, &obj,
2075 cauuid.cElems, cauuid.pElems, 0, 0, NULL );
2077 CoTaskMemFree( cauuid.pElems );
2083 static void ShowDeviceProperties( vlc_object_t *p_this,
2084 ICaptureGraphBuilder2 *p_graph,
2085 IBaseFilter *p_device_filter,
2089 msg_Dbg( p_this, "configuring Device Properties" );
2092 * Video or audio capture filter page
2094 ShowPropertyPage( p_device_filter );
2099 if( p_graph && b_audio )
2101 IAMStreamConfig *p_SC;
2103 msg_Dbg( p_this, "showing WDM Audio Configuration Pages" );
2105 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2106 &MEDIATYPE_Audio, p_device_filter,
2107 IID_IAMStreamConfig, (void **)&p_SC );
2110 ShowPropertyPage(p_SC);
2118 HRESULT hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2119 &MEDIATYPE_Audio, p_device_filter,
2120 IID_IAMTVAudio, (void **)&p_TVA );
2123 ShowPropertyPage(p_TVA);
2131 if( p_graph && !b_audio )
2133 IAMStreamConfig *p_SC;
2135 msg_Dbg( p_this, "showing WDM Video Configuration Pages" );
2137 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2138 &MEDIATYPE_Interleaved, p_device_filter,
2139 IID_IAMStreamConfig, (void **)&p_SC );
2142 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2143 &MEDIATYPE_Video, p_device_filter,
2144 IID_IAMStreamConfig, (void **)&p_SC );
2149 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2150 &MEDIATYPE_Stream, p_device_filter,
2151 IID_IAMStreamConfig, (void **)&p_SC );
2156 ShowPropertyPage(p_SC);
2162 static void ShowTunerProperties( vlc_object_t *p_this,
2163 ICaptureGraphBuilder2 *p_graph,
2164 IBaseFilter *p_device_filter,
2168 msg_Dbg( p_this, "configuring Tuner Properties" );
2170 if( !p_graph || b_audio ) return;
2173 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2174 &MEDIATYPE_Interleaved, p_device_filter,
2175 IID_IAMTVTuner, (void **)&p_TV );
2178 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2179 &MEDIATYPE_Video, p_device_filter,
2180 IID_IAMTVTuner, (void **)&p_TV );
2185 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2186 &MEDIATYPE_Stream, p_device_filter,
2187 IID_IAMTVTuner, (void **)&p_TV );
2192 ShowPropertyPage(p_TV);
2197 static void ConfigTuner( vlc_object_t *p_this, ICaptureGraphBuilder2 *p_graph,
2198 IBaseFilter *p_device_filter )
2200 int i_channel, i_country, i_input, i_amtuner_mode;
2205 if( !p_graph ) return;
2207 i_channel = var_GetInteger( p_this, "dshow-tuner-channel" );
2208 i_country = var_GetInteger( p_this, "dshow-tuner-country" );
2209 i_input = var_GetInteger( p_this, "dshow-tuner-input" );
2210 i_amtuner_mode = var_GetInteger( p_this, "dshow-amtuner-mode" );
2212 if( !i_channel && !i_country && !i_input ) return; /* Nothing to do */
2214 msg_Dbg( p_this, "tuner config: channel %i, country %i, input type %i",
2215 i_channel, i_country, i_input );
2217 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Interleaved,
2218 p_device_filter, IID_IAMTVTuner,
2222 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video,
2223 p_device_filter, IID_IAMTVTuner,
2229 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Stream,
2230 p_device_filter, IID_IAMTVTuner,
2236 msg_Dbg( p_this, "couldn't find tuner interface" );
2240 hr = p_TV->GetAvailableModes( &l_modes );
2241 if( SUCCEEDED(hr) && (l_modes & i_amtuner_mode) )
2243 hr = p_TV->put_Mode( (AMTunerModeType)i_amtuner_mode );
2246 if( i_input == 1 ) p_TV->put_InputType( 0, TunerInputCable );
2247 else if( i_input == 2 ) p_TV->put_InputType( 0, TunerInputAntenna );
2249 p_TV->put_CountryCode( i_country );
2250 p_TV->put_Channel( i_channel, AMTUNER_SUBCHAN_NO_TUNE,
2251 AMTUNER_SUBCHAN_NO_TUNE );