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
39 #include <vlc_common.h>
40 #include <vlc_plugin.h>
41 #include <vlc_input.h>
42 #include <vlc_access.h>
43 #include <vlc_demux.h>
44 #include <vlc_dialog.h>
45 #include <vlc_charset.h>
46 #include <vlc_memory.h>
51 /*****************************************************************************
52 * Access: local prototypes
53 *****************************************************************************/
54 static block_t *ReadCompressed( access_t * );
55 static int AccessControl ( access_t *, int, va_list );
57 static int Demux ( demux_t * );
58 static int DemuxControl( demux_t *, int, va_list );
60 static int OpenDevice( vlc_object_t *, access_sys_t *, string, bool );
61 static IBaseFilter *FindCaptureDevice( vlc_object_t *, string *,
62 list<string> *, bool );
63 static size_t EnumDeviceCaps( vlc_object_t *, IBaseFilter *,
64 int, int, int, int, int, int,
65 AM_MEDIA_TYPE *mt, size_t );
66 static bool ConnectFilters( vlc_object_t *, access_sys_t *,
67 IBaseFilter *, CaptureFilter * );
68 static int FindDevicesCallback( vlc_object_t *, char const *,
69 vlc_value_t, vlc_value_t, void * );
70 static int ConfigDevicesCallback( vlc_object_t *, char const *,
71 vlc_value_t, vlc_value_t, void * );
73 static void ShowPropertyPage( IUnknown * );
74 static void ShowDeviceProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
75 IBaseFilter *, bool );
76 static void ShowTunerProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
77 IBaseFilter *, bool );
78 static void ConfigTuner( vlc_object_t *, ICaptureGraphBuilder2 *,
81 /*****************************************************************************
83 *****************************************************************************/
84 static const char *const ppsz_vdev[] = { "", "none" };
85 static const char *const ppsz_vdev_text[] = { N_("Default"), N_("None") };
86 static const char *const ppsz_adev[] = { "", "none" };
87 static const char *const ppsz_adev_text[] = { N_("Default"), N_("None") };
88 static const int pi_tuner_input[] = { 0, 1, 2 };
89 static const char *const ppsz_tuner_input_text[] =
90 {N_("Default"), N_("Cable"), N_("Antenna")};
91 static const int pi_amtuner_mode[] = { AMTUNER_MODE_DEFAULT,
93 AMTUNER_MODE_FM_RADIO,
94 AMTUNER_MODE_AM_RADIO,
96 static const char *const ppsz_amtuner_mode_text[] = { N_("Default"),
102 #define CACHING_TEXT N_("Caching value in ms")
103 #define CACHING_LONGTEXT N_( \
104 "Caching value for DirectShow streams. " \
105 "This value should be set in milliseconds." )
106 #define VDEV_TEXT N_("Video device name")
107 #define VDEV_LONGTEXT N_( \
108 "Name of the video device that will be used by the " \
109 "DirectShow plugin. If you don't specify anything, the default device " \
111 #define ADEV_TEXT N_("Audio device name")
112 #define ADEV_LONGTEXT N_( \
113 "Name of the audio device that will be used by the " \
114 "DirectShow plugin. If you don't specify anything, the default device " \
116 #define SIZE_TEXT N_("Video size")
117 #define SIZE_LONGTEXT N_( \
118 "Size of the video that will be displayed by the " \
119 "DirectShow plugin. If you don't specify anything the default size for " \
120 "your device will be used. You can specify a standard size (cif, d1, ...) or <width>x<height>.")
121 #define CHROMA_TEXT N_("Video input chroma format")
122 #define CHROMA_LONGTEXT N_( \
123 "Force the DirectShow video input to use a specific chroma format " \
124 "(eg. I420 (default), RV24, etc.)")
125 #define FPS_TEXT N_("Video input frame rate")
126 #define FPS_LONGTEXT N_( \
127 "Force the DirectShow video input to use a specific frame rate" \
128 "(eg. 0 means default, 25, 29.97, 50, 59.94, etc.)")
129 #define CONFIG_TEXT N_("Device properties")
130 #define CONFIG_LONGTEXT N_( \
131 "Show the properties dialog of the selected device before starting the " \
133 #define TUNER_TEXT N_("Tuner properties")
134 #define TUNER_LONGTEXT N_( \
135 "Show the tuner properties [channel selection] page." )
136 #define CHANNEL_TEXT N_("Tuner TV Channel")
137 #define CHANNEL_LONGTEXT N_( \
138 "Set the TV channel the tuner will set to " \
139 "(0 means default)." )
140 #define COUNTRY_TEXT N_("Tuner country code")
141 #define COUNTRY_LONGTEXT N_( \
142 "Set the tuner country code that establishes the current " \
143 "channel-to-frequency mapping (0 means default)." )
144 #define TUNER_INPUT_TEXT N_("Tuner input type")
145 #define TUNER_INPUT_LONGTEXT N_( \
146 "Select the tuner input type (Cable/Antenna)." )
147 #define VIDEO_IN_TEXT N_("Video input pin")
148 #define VIDEO_IN_LONGTEXT N_( \
149 "Select the video input source, such as composite, s-video, " \
150 "or tuner. Since these settings are hardware-specific, you should find good " \
151 "settings in the \"Device config\" area, and use those numbers here. -1 " \
152 "means that settings will not be changed.")
153 #define AUDIO_IN_TEXT N_("Audio input pin")
154 #define AUDIO_IN_LONGTEXT N_( \
155 "Select the audio input source. See the \"video input\" option." )
156 #define VIDEO_OUT_TEXT N_("Video output pin")
157 #define VIDEO_OUT_LONGTEXT N_( \
158 "Select the video output type. See the \"video input\" option." )
159 #define AUDIO_OUT_TEXT N_("Audio output pin")
160 #define AUDIO_OUT_LONGTEXT N_( \
161 "Select the audio output type. See the \"video input\" option." )
163 #define AMTUNER_MODE_TEXT N_("AM Tuner mode")
164 #define AMTUNER_MODE_LONGTEXT N_( \
165 "AM Tuner mode. Can be one of Default (0), TV (1)," \
166 "AM Radio (2), FM Radio (3) or DSS (4).")
168 #define AUDIO_CHANNELS_TEXT N_("Number of audio channels")
169 #define AUDIO_CHANNELS_LONGTEXT N_( \
170 "Select audio input format with the given number of audio channels (if non 0)" )
172 #define AUDIO_SAMPLERATE_TEXT N_("Audio sample rate")
173 #define AUDIO_SAMPLERATE_LONGTEXT N_( \
174 "Select audio input format with the given sample rate (if non 0)" )
176 #define AUDIO_BITSPERSAMPLE_TEXT N_("Audio bits per sample")
177 #define AUDIO_BITSPERSAMPLE_LONGTEXT N_( \
178 "Select audio input format with the given bits/sample (if non 0)" )
180 static int CommonOpen ( vlc_object_t *, access_sys_t *, bool );
181 static void CommonClose( vlc_object_t *, access_sys_t * );
183 static int AccessOpen ( vlc_object_t * );
184 static void AccessClose( vlc_object_t * );
186 static int DemuxOpen ( vlc_object_t * );
187 static void DemuxClose ( vlc_object_t * );
190 set_shortname( N_("DirectShow") )
191 set_description( N_("DirectShow input") )
192 set_category( CAT_INPUT )
193 set_subcategory( SUBCAT_INPUT_ACCESS )
194 add_integer( "dshow-caching", (mtime_t)(0.2*CLOCK_FREQ) / 1000, NULL,
195 CACHING_TEXT, CACHING_LONGTEXT, true )
197 add_string( "dshow-vdev", NULL, NULL, VDEV_TEXT, VDEV_LONGTEXT, false)
198 change_string_list( ppsz_vdev, ppsz_vdev_text, FindDevicesCallback )
199 change_action_add( FindDevicesCallback, N_("Refresh list") )
200 change_action_add( ConfigDevicesCallback, N_("Configure") )
202 add_string( "dshow-adev", NULL, NULL, ADEV_TEXT, ADEV_LONGTEXT, false)
203 change_string_list( ppsz_adev, ppsz_adev_text, FindDevicesCallback )
204 change_action_add( FindDevicesCallback, N_("Refresh list") )
205 change_action_add( ConfigDevicesCallback, N_("Configure") )
207 add_string( "dshow-size", NULL, NULL, SIZE_TEXT, SIZE_LONGTEXT, false)
209 add_string( "dshow-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT, true )
211 add_float( "dshow-fps", 0.0f, NULL, FPS_TEXT, FPS_LONGTEXT, true )
213 add_bool( "dshow-config", false, NULL, CONFIG_TEXT, CONFIG_LONGTEXT, true )
215 add_bool( "dshow-tuner", false, NULL, TUNER_TEXT, TUNER_LONGTEXT, true )
217 add_integer( "dshow-tuner-channel", 0, NULL, CHANNEL_TEXT, CHANNEL_LONGTEXT,
220 add_integer( "dshow-tuner-country", 0, NULL, COUNTRY_TEXT, COUNTRY_LONGTEXT,
223 add_integer( "dshow-tuner-input", 0, NULL, TUNER_INPUT_TEXT,
224 TUNER_INPUT_LONGTEXT, true )
225 change_integer_list( pi_tuner_input, ppsz_tuner_input_text, NULL )
227 add_integer( "dshow-video-input", -1, NULL, VIDEO_IN_TEXT,
228 VIDEO_IN_LONGTEXT, true )
230 add_integer( "dshow-video-output", -1, NULL, VIDEO_OUT_TEXT,
231 VIDEO_OUT_LONGTEXT, true )
233 add_integer( "dshow-audio-input", -1, NULL, AUDIO_IN_TEXT,
234 AUDIO_IN_LONGTEXT, true )
236 add_integer( "dshow-audio-output", -1, NULL, AUDIO_OUT_TEXT,
237 AUDIO_OUT_LONGTEXT, true )
239 add_integer( "dshow-amtuner-mode", AMTUNER_MODE_TV, NULL,
240 AMTUNER_MODE_TEXT, AMTUNER_MODE_LONGTEXT, false)
241 change_integer_list( pi_amtuner_mode, ppsz_amtuner_mode_text, NULL )
243 add_integer( "dshow-audio-channels", 0, NULL, AUDIO_CHANNELS_TEXT,
244 AUDIO_CHANNELS_LONGTEXT, true )
245 add_integer( "dshow-audio-samplerate", 0, NULL, AUDIO_SAMPLERATE_TEXT,
246 AUDIO_SAMPLERATE_LONGTEXT, true )
247 add_integer( "dshow-audio-bitspersample", 0, NULL, AUDIO_BITSPERSAMPLE_TEXT,
248 AUDIO_BITSPERSAMPLE_LONGTEXT, true )
250 add_shortcut( "dshow" )
251 set_capability( "access_demux", 0 )
252 set_callbacks( DemuxOpen, DemuxClose )
255 set_description( N_("DirectShow input") )
256 add_shortcut( "dshow" )
257 set_capability( "access", 0 )
258 set_callbacks( AccessOpen, AccessClose )
262 /*****************************************************************************
263 * DirectShow elementary stream descriptor
264 *****************************************************************************/
265 typedef struct dshow_stream_t
268 IBaseFilter *p_device_filter;
269 CaptureFilter *p_capture_filter;
274 VIDEOINFOHEADER video;
284 deque<VLCMediaSample> samples_queue;
287 /*****************************************************************************
288 * DirectShow utility functions
289 *****************************************************************************/
290 static void CreateDirectShowGraph( access_sys_t *p_sys )
292 p_sys->i_crossbar_route_depth = 0;
294 /* Create directshow filter graph */
295 if( SUCCEEDED( CoCreateInstance( CLSID_FilterGraph, 0, CLSCTX_INPROC,
296 (REFIID)IID_IFilterGraph, (void **)&p_sys->p_graph) ) )
298 /* Create directshow capture graph builder if available */
299 if( SUCCEEDED( CoCreateInstance( CLSID_CaptureGraphBuilder2, 0,
300 CLSCTX_INPROC, (REFIID)IID_ICaptureGraphBuilder2,
301 (void **)&p_sys->p_capture_graph_builder2 ) ) )
303 p_sys->p_capture_graph_builder2->
304 SetFiltergraph((IGraphBuilder *)p_sys->p_graph);
307 p_sys->p_graph->QueryInterface( IID_IMediaControl,
308 (void **)&p_sys->p_control );
312 static void DeleteDirectShowGraph( access_sys_t *p_sys )
314 DeleteCrossbarRoutes( p_sys );
316 /* Remove filters from graph */
317 for( int i = 0; i < p_sys->i_streams; i++ )
319 p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_capture_filter );
320 p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_device_filter );
321 p_sys->pp_streams[i]->p_capture_filter->Release();
322 p_sys->pp_streams[i]->p_device_filter->Release();
325 /* Release directshow objects */
326 if( p_sys->p_control )
328 p_sys->p_control->Release();
329 p_sys->p_control = NULL;
331 if( p_sys->p_capture_graph_builder2 )
333 p_sys->p_capture_graph_builder2->Release();
334 p_sys->p_capture_graph_builder2 = NULL;
339 p_sys->p_graph->Release();
340 p_sys->p_graph = NULL;
344 /*****************************************************************************
345 * CommonOpen: open direct show device
346 *****************************************************************************/
347 static int CommonOpen( vlc_object_t *p_this, access_sys_t *p_sys,
348 bool b_access_demux )
353 /* Get/parse options and open device(s) */
354 string vdevname, adevname;
355 int i_width = 0, i_height = 0;
356 vlc_fourcc_t i_chroma = 0;
357 bool b_use_audio = true;
358 bool b_use_video = true;
360 /* Initialize OLE/COM */
363 var_Create( p_this, "dshow-config", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
364 var_Create( p_this, "dshow-tuner", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
365 psz_val = var_CreateGetString( p_this, "dshow-vdev" );
368 msg_Dbg( p_this, "dshow-vdev: %s", psz_val ) ;
369 /* skip none device */
370 if ( strncasecmp( psz_val, "none", 4 ) != 0 )
371 vdevname = string( psz_val );
373 b_use_video = false ;
377 psz_val = var_CreateGetString( p_this, "dshow-adev" );
380 msg_Dbg( p_this, "dshow-adev: %s", psz_val ) ;
381 /* skip none device */
382 if ( strncasecmp( psz_val, "none", 4 ) != 0 )
383 adevname = string( psz_val );
385 b_use_audio = false ;
389 static struct {const char *psz_size; int i_width; int i_height;} size_table[] =
390 { { "subqcif", 128, 96 }, { "qsif", 160, 120 }, { "qcif", 176, 144 },
391 { "sif", 320, 240 }, { "cif", 352, 288 }, { "d1", 640, 480 },
395 psz_val = var_CreateGetString( p_this, "dshow-size" );
396 if( !EMPTY_STR(psz_val) )
398 for( i = 0; size_table[i].psz_size; i++ )
400 if( !strcmp( psz_val, size_table[i].psz_size ) )
402 i_width = size_table[i].i_width;
403 i_height = size_table[i].i_height;
407 if( !size_table[i].psz_size ) /* Try to parse "WidthxHeight" */
410 i_width = strtol( psz_val, &psz_parser, 0 );
411 if( *psz_parser == 'x' || *psz_parser == 'X')
413 i_height = strtol( psz_parser + 1, &psz_parser, 0 );
415 msg_Dbg( p_this, "width x height %dx%d", i_width, i_height );
420 psz_val = var_CreateGetString( p_this, "dshow-chroma" );
421 i_chroma = vlc_fourcc_GetCodecFromString( UNKNOWN_ES, psz_val );
422 p_sys->b_chroma = i_chroma != 0;
425 var_Create( p_this, "dshow-fps", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
426 var_Create( p_this, "dshow-tuner-channel",
427 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
428 var_Create( p_this, "dshow-tuner-country",
429 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
430 var_Create( p_this, "dshow-tuner-input",
431 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
433 var_Create( p_this, "dshow-amtuner-mode",
434 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
436 var_Create( p_this, "dshow-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
438 var_Create( p_this, "dshow-video-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
439 var_Create( p_this, "dshow-audio-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
440 var_Create( p_this, "dshow-video-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
441 var_Create( p_this, "dshow-audio-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
443 /* Initialize some data */
444 p_sys->i_streams = 0;
445 p_sys->pp_streams = NULL;
446 p_sys->i_width = i_width;
447 p_sys->i_height = i_height;
448 p_sys->i_chroma = i_chroma;
450 p_sys->p_graph = NULL;
451 p_sys->p_capture_graph_builder2 = NULL;
452 p_sys->p_control = NULL;
454 /* Build directshow graph */
455 CreateDirectShowGraph( p_sys );
457 vlc_mutex_init( &p_sys->lock );
458 vlc_cond_init( &p_sys->wait );
460 if( !b_use_video && !b_use_audio )
462 dialog_Fatal( p_this, _("Capture failed"),
463 _("No video or audio device selected.") );
464 return VLC_EGENERIC ;
468 msg_Dbg( p_this, "skipping video device" ) ;
469 bool b_err_video = false ;
471 if( b_use_video && OpenDevice( p_this, p_sys, vdevname, 0 ) != VLC_SUCCESS )
473 msg_Err( p_this, "can't open video device");
477 if ( b_use_video && !b_err_video )
479 /* Check if we can handle the demuxing ourselves or need to spawn
480 * a demuxer module */
481 dshow_stream_t *p_stream = p_sys->pp_streams[p_sys->i_streams-1];
483 if( p_stream->mt.majortype == MEDIATYPE_Video )
485 if( /* Raw DV stream */
486 p_stream->i_fourcc == VLC_CODEC_DV ||
487 /* Raw MPEG video stream */
488 p_stream->i_fourcc == VLC_CODEC_MPGV )
494 /* Let the access (only) take care of that */
500 if( p_stream->mt.majortype == MEDIATYPE_Stream )
506 /* Let the access (only) take care of that */
510 if( var_GetBool( p_this, "dshow-tuner" ) )
512 /* FIXME: we do MEDIATYPE_Stream here so we don't do
514 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
515 p_stream->p_device_filter, 0 );
521 msg_Dbg( p_this, "skipping audio device") ;
523 bool b_err_audio = false ;
525 if( b_use_audio && OpenDevice( p_this, p_sys, adevname, 1 ) != VLC_SUCCESS )
527 msg_Err( p_this, "can't open audio device");
531 if( ( b_use_video && b_err_video && b_use_audio && b_err_audio ) ||
532 ( !b_use_video && b_use_audio && b_err_audio ) ||
533 ( b_use_video && !b_use_audio && b_err_video ) )
535 msg_Err( p_this, "FATAL: could not open ANY device" ) ;
536 dialog_Fatal( p_this, _("Capture failed"),
537 _("VLC cannot open ANY capture device."
538 "Check the error log for details.") );
539 return VLC_EGENERIC ;
542 for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
544 int i_val = var_GetInteger( p_this, "dshow-video-input" );
546 p_sys->crossbar_routes[i].VideoInputIndex = i_val;
547 i_val = var_GetInteger( p_this, "dshow-video-output" );
549 p_sys->crossbar_routes[i].VideoOutputIndex = i_val;
550 i_val = var_GetInteger( p_this, "dshow-audio-input" );
552 p_sys->crossbar_routes[i].AudioInputIndex = i_val;
553 i_val = var_GetInteger( p_this, "dshow-audio-output" );
555 p_sys->crossbar_routes[i].AudioOutputIndex = i_val;
557 IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
558 LONG VideoInputIndex = p_sys->crossbar_routes[i].VideoInputIndex;
559 LONG VideoOutputIndex = p_sys->crossbar_routes[i].VideoOutputIndex;
560 LONG AudioInputIndex = p_sys->crossbar_routes[i].AudioInputIndex;
561 LONG AudioOutputIndex = p_sys->crossbar_routes[i].AudioOutputIndex;
563 if( SUCCEEDED(pXbar->Route(VideoOutputIndex, VideoInputIndex)) )
565 msg_Dbg( p_this, "crossbar at depth %d, routed video "
566 "output %ld to video input %ld", i, VideoOutputIndex,
569 if( AudioOutputIndex != -1 && AudioInputIndex != -1 )
571 if( SUCCEEDED( pXbar->Route(AudioOutputIndex,
574 msg_Dbg(p_this, "crossbar at depth %d, routed audio "
575 "output %ld to audio input %ld", i,
576 AudioOutputIndex, AudioInputIndex );
581 msg_Err( p_this, "crossbar at depth %d could not route video "
582 "output %ld to input %ld", i, VideoOutputIndex, VideoInputIndex );
586 ** Show properties pages from other filters in graph
588 if( var_GetBool( p_this, "dshow-config" ) )
590 for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
592 IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
595 if( SUCCEEDED( pXbar->QueryInterface( IID_IBaseFilter,
598 ShowPropertyPage( p_XF );
604 /* Initialize some data */
605 p_sys->i_current_stream = 0;
607 if( !p_sys->i_streams ) return VLC_EGENERIC;
612 /*****************************************************************************
613 * DemuxOpen: open direct show device as an access_demux module
614 *****************************************************************************/
615 static int DemuxOpen( vlc_object_t *p_this )
617 demux_t *p_demux = (demux_t *)p_this;
621 p_sys = (access_sys_t*)calloc( 1, sizeof( access_sys_t ) );
624 p_demux->p_sys = (demux_sys_t *)p_sys;
626 if( CommonOpen( p_this, p_sys, true ) != VLC_SUCCESS )
628 CommonClose( p_this, p_sys );
632 /* Everything is ready. Let's rock baby */
633 msg_Dbg( p_this, "Playing...");
634 p_sys->p_control->Run();
636 p_demux->pf_demux = Demux;
637 p_demux->pf_control = DemuxControl;
638 p_demux->info.i_update = 0;
639 p_demux->info.i_title = 0;
640 p_demux->info.i_seekpoint = 0;
642 for( i = 0; i < p_sys->i_streams; i++ )
644 dshow_stream_t *p_stream = p_sys->pp_streams[i];
647 if( p_stream->mt.majortype == MEDIATYPE_Video )
649 es_format_Init( &fmt, VIDEO_ES, p_stream->i_fourcc );
651 fmt.video.i_width = p_stream->header.video.bmiHeader.biWidth;
652 fmt.video.i_height = p_stream->header.video.bmiHeader.biHeight;
653 fmt.video.i_aspect = 4 * VOUT_ASPECT_FACTOR / 3;
655 if( !p_stream->header.video.bmiHeader.biCompression )
657 /* RGB DIB are coded from bottom to top */
658 fmt.video.i_height = (unsigned int)(-(int)fmt.video.i_height);
661 /* Setup rgb mask for RGB formats */
662 if( p_stream->i_fourcc == VLC_CODEC_RGB24 )
664 /* This is in BGR format */
665 fmt.video.i_bmask = 0x00ff0000;
666 fmt.video.i_gmask = 0x0000ff00;
667 fmt.video.i_rmask = 0x000000ff;
670 if( p_stream->header.video.AvgTimePerFrame )
672 fmt.video.i_frame_rate = 10000000;
673 fmt.video.i_frame_rate_base =
674 p_stream->header.video.AvgTimePerFrame;
677 else if( p_stream->mt.majortype == MEDIATYPE_Audio )
679 es_format_Init( &fmt, AUDIO_ES, p_stream->i_fourcc );
681 fmt.audio.i_channels = p_stream->header.audio.nChannels;
682 fmt.audio.i_rate = p_stream->header.audio.nSamplesPerSec;
683 fmt.audio.i_bitspersample = p_stream->header.audio.wBitsPerSample;
684 fmt.audio.i_blockalign = fmt.audio.i_channels *
685 fmt.audio.i_bitspersample / 8;
686 fmt.i_bitrate = fmt.audio.i_channels * fmt.audio.i_rate *
687 fmt.audio.i_bitspersample;
690 p_stream->p_es = es_out_Add( p_demux->out, &fmt );
696 /*****************************************************************************
697 * AccessOpen: open direct show device as an access module
698 *****************************************************************************/
699 static int AccessOpen( vlc_object_t *p_this )
701 access_t *p_access = (access_t*)p_this;
704 p_access->p_sys = p_sys = (access_sys_t*)calloc( 1, sizeof( access_sys_t ) );
708 if( CommonOpen( p_this, p_sys, false ) != VLC_SUCCESS )
710 CommonClose( p_this, p_sys );
714 dshow_stream_t *p_stream = p_sys->pp_streams[0];
716 /* Check if we need to force demuxers */
717 if( !p_access->psz_demux || !*p_access->psz_demux )
719 if( p_stream->i_fourcc == VLC_CODEC_DV )
721 free( p_access->psz_demux );
722 p_access->psz_demux = strdup( "rawdv" );
724 else if( p_stream->i_fourcc == VLC_CODEC_MPGV )
726 free( p_access->psz_demux );
727 p_access->psz_demux = strdup( "mpgv" );
732 p_access->pf_read = NULL;
733 p_access->pf_block = ReadCompressed;
734 p_access->pf_control = AccessControl;
735 p_access->pf_seek = NULL;
736 p_access->info.i_update = 0;
737 p_access->info.i_size = 0;
738 p_access->info.i_pos = 0;
739 p_access->info.b_eof = false;
740 p_access->info.i_title = 0;
741 p_access->info.i_seekpoint = 0;
742 p_access->p_sys = p_sys;
744 /* Everything is ready. Let's rock baby */
745 msg_Dbg( p_this, "Playing...");
746 p_sys->p_control->Run();
751 /*****************************************************************************
752 * CommonClose: close device
753 *****************************************************************************/
754 static void CommonClose( vlc_object_t *p_this, access_sys_t *p_sys )
756 msg_Dbg( p_this, "releasing DirectShow");
758 DeleteDirectShowGraph( p_sys );
760 /* Uninitialize OLE/COM */
763 for( int i = 0; i < p_sys->i_streams; i++ ) delete p_sys->pp_streams[i];
764 if( p_sys->i_streams ) free( p_sys->pp_streams );
766 vlc_mutex_destroy( &p_sys->lock );
767 vlc_cond_destroy( &p_sys->wait );
772 /*****************************************************************************
773 * AccessClose: close device
774 *****************************************************************************/
775 static void AccessClose( vlc_object_t *p_this )
777 access_t *p_access = (access_t *)p_this;
778 access_sys_t *p_sys = p_access->p_sys;
780 /* Stop capturing stuff */
781 p_sys->p_control->Stop();
783 CommonClose( p_this, p_sys );
786 /*****************************************************************************
787 * DemuxClose: close device
788 *****************************************************************************/
789 static void DemuxClose( vlc_object_t *p_this )
791 demux_t *p_demux = (demux_t *)p_this;
792 access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
794 /* Stop capturing stuff */
795 p_sys->p_control->Stop();
797 CommonClose( p_this, p_sys );
800 /****************************************************************************
802 ****************************************************************************/
803 static bool ConnectFilters( vlc_object_t *p_this, access_sys_t *p_sys,
804 IBaseFilter *p_filter,
805 CaptureFilter *p_capture_filter )
807 CapturePin *p_input_pin = p_capture_filter->CustomGetPin();
809 AM_MEDIA_TYPE mediaType = p_input_pin->CustomGetMediaType();
811 if( p_sys->p_capture_graph_builder2 )
813 if( FAILED(p_sys->p_capture_graph_builder2->
814 RenderStream( &PIN_CATEGORY_CAPTURE, &mediaType.majortype,
815 p_filter, 0, (IBaseFilter *)p_capture_filter )) )
820 // Sort out all the possible video inputs
821 // The class needs to be given the capture filters ANALOGVIDEO input pin
822 IEnumPins *pins = NULL;
823 if( ( mediaType.majortype == MEDIATYPE_Video ||
824 mediaType.majortype == MEDIATYPE_Stream ) &&
825 SUCCEEDED(p_filter->EnumPins(&pins)) )
831 IKsPropertySet *pKs = NULL;
835 while( !Found && ( S_OK == pins->Next(1, &pP, &n) ) )
837 if( S_OK == pP->QueryPinInfo(&pinInfo) )
839 // is this pin an ANALOGVIDEOIN input pin?
840 if( pinInfo.dir == PINDIR_INPUT &&
841 pP->QueryInterface( IID_IKsPropertySet,
842 (void **)&pKs ) == S_OK )
844 if( pKs->Get( AMPROPSETID_Pin,
845 AMPROPERTY_PIN_CATEGORY, NULL, 0,
846 &guid, sizeof(GUID), &dw ) == S_OK )
848 if( guid == PIN_CATEGORY_ANALOGVIDEOIN )
850 // recursively search crossbar routes
851 FindCrossbarRoutes( p_this, p_sys, pP, 0 );
858 pinInfo.pFilter->Release();
863 msg_Dbg( p_this, "ConnectFilters: graph_builder2 available.") ;
865 msg_Warn( p_this, "ConnectFilters: No crossBar routes found (incobatible pin types)" ) ;
871 IEnumPins *p_enumpins;
874 if( S_OK != p_filter->EnumPins( &p_enumpins ) ) return false;
876 while( S_OK == p_enumpins->Next( 1, &p_pin, NULL ) )
878 PIN_DIRECTION pin_dir;
879 p_pin->QueryDirection( &pin_dir );
881 if( pin_dir == PINDIR_OUTPUT &&
882 p_sys->p_graph->ConnectDirect( p_pin, (IPin *)p_input_pin,
886 p_enumpins->Release();
892 p_enumpins->Release();
898 * get fourcc priority from arbritary preference, the higher the better
900 static int GetFourCCPriority( int i_fourcc )
908 case VLC_FOURCC('a','r','a','w'):
910 case VLC_CODEC_RGB24:
913 case VLC_CODEC_RGB32:
921 #define MAX_MEDIA_TYPES 32
923 static int OpenDevice( vlc_object_t *p_this, access_sys_t *p_sys,
924 string devicename, bool b_audio )
926 /* See if device is already opened */
927 for( int i = 0; i < p_sys->i_streams; i++ )
929 if( devicename.size() &&
930 p_sys->pp_streams[i]->devicename == devicename )
937 list<string> list_devices;
939 /* Enumerate devices and display their names */
940 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
941 if( !list_devices.size() )
944 list<string>::iterator iter;
945 for( iter = list_devices.begin(); iter != list_devices.end(); iter++ )
946 msg_Dbg( p_this, "found device: %s", iter->c_str() );
948 /* If no device name was specified, pick the 1st one */
949 if( devicename.size() == 0 )
951 /* When none selected */
952 devicename = *list_devices.begin();
953 msg_Dbg( p_this, "asking for default device: %s", devicename.c_str() ) ;
956 msg_Dbg( p_this, "asking for device: %s", devicename.c_str() ) ;
957 // Use the system device enumerator and class enumerator to find
958 // a capture/preview device, such as a desktop USB video camera.
959 IBaseFilter *p_device_filter =
960 FindCaptureDevice( p_this, &devicename, NULL, b_audio );
962 if( p_device_filter )
963 msg_Dbg( p_this, "using device: %s", devicename.c_str() );
966 msg_Err( p_this, "can't use device: %s, unsupported device type",
967 devicename.c_str() );
968 dialog_Fatal( p_this, _("Capture failed"),
969 _("VLC cannot use the device \"%s\", because its "
970 "type is not supported."), devicename.c_str() );
974 // Retreive acceptable media types supported by device
975 AM_MEDIA_TYPE media_types[MAX_MEDIA_TYPES];
977 EnumDeviceCaps( p_this, p_device_filter, b_audio ? 0 : p_sys->i_chroma,
978 p_sys->i_width, p_sys->i_height,
979 b_audio ? var_CreateGetInteger( p_this, "dshow-audio-channels" ) : 0,
980 b_audio ? var_CreateGetInteger( p_this, "dshow-audio-samplerate" ) : 0,
981 b_audio ? var_CreateGetInteger( p_this, "dshow-audio-bitspersample" ) : 0,
982 media_types, MAX_MEDIA_TYPES );
984 AM_MEDIA_TYPE *mt = NULL;
986 if( media_count > 0 )
988 mt = (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE) * media_count);
990 // Order and copy returned media types according to arbitrary
992 for( size_t c = 0; c < media_count; c++ )
995 GetFourCCPriority(GetFourCCFromMediaType(media_types[c]));
996 size_t slot_copy = c;
997 for( size_t d = c+1; d < media_count; d++ )
1000 GetFourCCPriority(GetFourCCFromMediaType(media_types[d]));
1001 if( priority > slot_priority )
1003 slot_priority = priority;
1007 if( slot_copy != c )
1009 mt[c] = media_types[slot_copy];
1010 media_types[slot_copy] = media_types[c];
1014 mt[c] = media_types[c];
1019 /* capture device */
1020 msg_Err( p_this, "capture device '%s' does not support required parameters !", devicename.c_str() );
1021 dialog_Fatal( p_this, _("Capture failed"),
1022 _("The capture device \"%s\" does not support the "
1023 "required parameters."), devicename.c_str() );
1024 p_device_filter->Release();
1025 return VLC_EGENERIC;
1028 /* Create and add our capture filter */
1029 CaptureFilter *p_capture_filter =
1030 new CaptureFilter( p_this, p_sys, mt, media_count );
1031 p_sys->p_graph->AddFilter( p_capture_filter, 0 );
1033 /* Add the device filter to the graph (seems necessary with VfW before
1034 * accessing pin attributes). */
1035 p_sys->p_graph->AddFilter( p_device_filter, 0 );
1037 /* Attempt to connect one of this device's capture output pins */
1038 msg_Dbg( p_this, "connecting filters" );
1039 if( ConnectFilters( p_this, p_sys, p_device_filter, p_capture_filter ) )
1042 msg_Dbg( p_this, "filters connected successfully !" );
1044 dshow_stream_t dshow_stream;
1045 dshow_stream.b_pts = false;
1046 dshow_stream.p_es = 0;
1048 p_capture_filter->CustomGetPin()->CustomGetMediaType();
1050 /* Show Device properties. Done here so the VLC stream is setup with
1051 * the proper parameters. */
1052 if( var_GetBool( p_this, "dshow-config" ) )
1054 ShowDeviceProperties( p_this, p_sys->p_capture_graph_builder2,
1055 p_device_filter, b_audio );
1058 ConfigTuner( p_this, p_sys->p_capture_graph_builder2,
1061 if( var_GetBool( p_this, "dshow-tuner" ) &&
1062 dshow_stream.mt.majortype != MEDIATYPE_Stream )
1064 /* FIXME: we do MEDIATYPE_Stream later so we don't do it twice. */
1065 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
1066 p_device_filter, b_audio );
1070 p_capture_filter->CustomGetPin()->CustomGetMediaType();
1072 dshow_stream.i_fourcc = GetFourCCFromMediaType( dshow_stream.mt );
1073 if( dshow_stream.i_fourcc )
1075 if( dshow_stream.mt.majortype == MEDIATYPE_Video )
1077 dshow_stream.header.video =
1078 *(VIDEOINFOHEADER *)dshow_stream.mt.pbFormat;
1079 msg_Dbg( p_this, "MEDIATYPE_Video" );
1080 msg_Dbg( p_this, "selected video pin accepts format: %4.4s",
1081 (char *)&dshow_stream.i_fourcc);
1083 else if( dshow_stream.mt.majortype == MEDIATYPE_Audio )
1085 dshow_stream.header.audio =
1086 *(WAVEFORMATEX *)dshow_stream.mt.pbFormat;
1087 msg_Dbg( p_this, "MEDIATYPE_Audio" );
1088 msg_Dbg( p_this, "selected audio pin accepts format: %4.4s",
1089 (char *)&dshow_stream.i_fourcc);
1091 else if( dshow_stream.mt.majortype == MEDIATYPE_Stream )
1093 msg_Dbg( p_this, "MEDIATYPE_Stream" );
1094 msg_Dbg( p_this, "selected stream pin accepts format: %4.4s",
1095 (char *)&dshow_stream.i_fourcc);
1099 msg_Dbg( p_this, "unknown stream majortype" );
1103 /* Add directshow elementary stream to our list */
1104 dshow_stream.p_device_filter = p_device_filter;
1105 dshow_stream.p_capture_filter = p_capture_filter;
1107 p_sys->pp_streams = realloc_or_free( p_sys->pp_streams,
1108 sizeof(dshow_stream_t *) * (p_sys->i_streams + 1) );
1109 assert( p_sys->pp_streams );
1110 p_sys->pp_streams[p_sys->i_streams] = new dshow_stream_t;
1111 *p_sys->pp_streams[p_sys->i_streams++] = dshow_stream;
1118 /* Remove filters from graph */
1119 p_sys->p_graph->RemoveFilter( p_device_filter );
1120 p_sys->p_graph->RemoveFilter( p_capture_filter );
1122 /* Release objects */
1123 p_device_filter->Release();
1124 p_capture_filter->Release();
1126 return VLC_EGENERIC;
1129 /* FindCaptureDevices:: This Function had two purposes :
1130 Returns the list of capture devices when p_listdevices != NULL
1131 Creates an IBaseFilter when p_devicename corresponds to an existing devname
1132 These actions *may* be requested whith a single call.
1134 static IBaseFilter *
1135 FindCaptureDevice( vlc_object_t *p_this, string *p_devicename,
1136 list<string> *p_listdevices, bool b_audio )
1138 IBaseFilter *p_base_filter = NULL;
1139 IMoniker *p_moniker = NULL;
1142 list<string> devicelist;
1144 /* Create the system device enumerator */
1145 ICreateDevEnum *p_dev_enum = NULL;
1147 hr = CoCreateInstance( CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
1148 IID_ICreateDevEnum, (void **)&p_dev_enum );
1151 msg_Err( p_this, "failed to create the device enumerator (0x%lx)", hr);
1155 /* Create an enumerator for the video capture devices */
1156 IEnumMoniker *p_class_enum = NULL;
1158 hr = p_dev_enum->CreateClassEnumerator( CLSID_VideoInputDeviceCategory,
1161 hr = p_dev_enum->CreateClassEnumerator( CLSID_AudioInputDeviceCategory,
1163 p_dev_enum->Release();
1166 msg_Err( p_this, "failed to create the class enumerator (0x%lx)", hr );
1170 /* If there are no enumerators for the requested type, then
1171 * CreateClassEnumerator will succeed, but p_class_enum will be NULL */
1172 if( p_class_enum == NULL )
1174 msg_Err( p_this, "no %s capture device was detected", ( b_audio ? "audio" : "video" ) );
1178 /* Enumerate the devices */
1180 /* Note that if the Next() call succeeds but there are no monikers,
1181 * it will return S_FALSE (which is not a failure). Therefore, we check
1182 * that the return code is S_OK instead of using SUCCEEDED() macro. */
1184 while( p_class_enum->Next( 1, &p_moniker, &i_fetched ) == S_OK )
1186 /* Getting the property page to get the device name */
1187 IPropertyBag *p_bag;
1188 hr = p_moniker->BindToStorage( 0, 0, IID_IPropertyBag,
1194 hr = p_bag->Read( L"FriendlyName", &var, NULL );
1198 char *p_buf = FromWide( var.bstrVal );
1199 string devname = string(p_buf);
1203 /* find out if this name is already used by a previously found device */
1204 list<string>::const_iterator iter = devicelist.begin();
1205 list<string>::const_iterator end = devicelist.end();
1206 string ordevname = devname ;
1207 while ( iter != end )
1209 if( 0 == (*iter).compare( devname ) )
1210 { /* devname is on the list. Try another name with sequence
1211 number apended and then rescan until a unique entry is found*/
1213 snprintf(seq, 16, " #%d", ++dup);
1214 devname = ordevname + seq;
1215 iter = devicelist.begin();
1220 devicelist.push_back( devname );
1222 if( p_devicename && *p_devicename == devname )
1224 msg_Dbg( p_this, "asked for %s, binding to %s", p_devicename->c_str() , devname.c_str() ) ;
1225 /* NULL possibly means we don't need BindMoniker BindCtx ?? */
1226 hr = p_moniker->BindToObject( NULL, 0, IID_IBaseFilter,
1227 (void **)&p_base_filter );
1230 msg_Err( p_this, "couldn't bind moniker to filter "
1231 "object (0x%lx)", hr );
1232 p_moniker->Release();
1233 p_class_enum->Release();
1236 p_moniker->Release();
1237 p_class_enum->Release();
1238 return p_base_filter;
1243 p_moniker->Release();
1246 p_class_enum->Release();
1248 if( p_listdevices ) {
1250 *p_listdevices = devicelist;
1255 static size_t EnumDeviceCaps( vlc_object_t *p_this, IBaseFilter *p_filter,
1256 int i_fourcc, int i_width, int i_height,
1257 int i_channels, int i_samplespersec,
1258 int i_bitspersample, AM_MEDIA_TYPE *mt,
1261 IEnumPins *p_enumpins;
1263 IEnumMediaTypes *p_enummt;
1264 size_t mt_count = 0;
1266 LONGLONG i_AvgTimePerFrame = 0;
1267 float r_fps = var_GetFloat( p_this, "dshow-fps" );
1269 i_AvgTimePerFrame = 10000000000LL/(LONGLONG)(r_fps*1000.0f);
1271 if( FAILED(p_filter->EnumPins( &p_enumpins )) )
1273 msg_Dbg( p_this, "EnumDeviceCaps failed: no pin enumeration !");
1277 while( S_OK == p_enumpins->Next( 1, &p_output_pin, NULL ) )
1281 if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1283 msg_Dbg( p_this, "EnumDeviceCaps: %s pin: %S",
1284 info.dir == PINDIR_INPUT ? "input" : "output",
1286 if( info.pFilter ) info.pFilter->Release();
1289 p_output_pin->Release();
1292 p_enumpins->Reset();
1294 while( !mt_count && p_enumpins->Next( 1, &p_output_pin, NULL ) == S_OK )
1298 if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1300 if( info.pFilter ) info.pFilter->Release();
1301 if( info.dir == PINDIR_INPUT )
1303 p_output_pin->Release();
1306 msg_Dbg( p_this, "EnumDeviceCaps: trying pin %S", info.achName );
1309 AM_MEDIA_TYPE *p_mt;
1312 ** Configure pin with a default compatible media if possible
1315 IAMStreamConfig *pSC;
1316 if( SUCCEEDED(p_output_pin->QueryInterface( IID_IAMStreamConfig,
1319 int piCount, piSize;
1320 if( SUCCEEDED(pSC->GetNumberOfCapabilities(&piCount, &piSize)) )
1322 BYTE *pSCC= (BYTE *)CoTaskMemAlloc(piSize);
1325 int i_priority = -1;
1326 for( int i=0; i<piCount; ++i )
1328 if( SUCCEEDED(pSC->GetStreamCaps(i, &p_mt, pSCC)) )
1330 int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1331 int i_current_priority = GetFourCCPriority(i_current_fourcc);
1333 if( (i_fourcc && (i_current_fourcc != i_fourcc))
1334 || (i_priority > i_current_priority) )
1336 // unwanted chroma, try next media type
1337 FreeMediaType( *p_mt );
1338 CoTaskMemFree( (PVOID)p_mt );
1342 if( MEDIATYPE_Video == p_mt->majortype
1343 && FORMAT_VideoInfo == p_mt->formattype )
1345 VIDEO_STREAM_CONFIG_CAPS *pVSCC = reinterpret_cast<VIDEO_STREAM_CONFIG_CAPS*>(pSCC);
1346 VIDEOINFOHEADER *pVih = reinterpret_cast<VIDEOINFOHEADER*>(p_mt->pbFormat);
1348 if( i_AvgTimePerFrame )
1350 if( pVSCC->MinFrameInterval > i_AvgTimePerFrame
1351 || i_AvgTimePerFrame > pVSCC->MaxFrameInterval )
1353 // required frame rate not compatible, try next media type
1354 FreeMediaType( *p_mt );
1355 CoTaskMemFree( (PVOID)p_mt );
1358 pVih->AvgTimePerFrame = i_AvgTimePerFrame;
1363 if(( !pVSCC->OutputGranularityX
1364 && i_width != pVSCC->MinOutputSize.cx
1365 && i_width != pVSCC->MaxOutputSize.cx)
1367 ( pVSCC->OutputGranularityX
1368 && ((i_width % pVSCC->OutputGranularityX)
1369 || pVSCC->MinOutputSize.cx > i_width
1370 || i_width > pVSCC->MaxOutputSize.cx )))
1372 // required width not compatible, try next media type
1373 FreeMediaType( *p_mt );
1374 CoTaskMemFree( (PVOID)p_mt );
1377 pVih->bmiHeader.biWidth = i_width;
1382 if(( !pVSCC->OutputGranularityY
1383 && i_height != pVSCC->MinOutputSize.cy
1384 && i_height != pVSCC->MaxOutputSize.cy)
1386 ( pVSCC->OutputGranularityY
1387 && ((i_height % pVSCC->OutputGranularityY)
1388 || pVSCC->MinOutputSize.cy > i_height
1389 || i_height > pVSCC->MaxOutputSize.cy )))
1391 // required height not compatible, try next media type
1392 FreeMediaType( *p_mt );
1393 CoTaskMemFree( (PVOID)p_mt );
1396 pVih->bmiHeader.biHeight = i_height;
1399 // Set the sample size and image size.
1400 // (Round the image width up to a DWORD boundary.)
1401 p_mt->lSampleSize = pVih->bmiHeader.biSizeImage =
1402 ((pVih->bmiHeader.biWidth + 3) & ~3) *
1403 pVih->bmiHeader.biHeight * (pVih->bmiHeader.biBitCount>>3);
1405 // no cropping, use full video input buffer
1406 memset(&(pVih->rcSource), 0, sizeof(RECT));
1407 memset(&(pVih->rcTarget), 0, sizeof(RECT));
1409 // select this format as default
1410 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1412 i_priority = i_current_priority;
1414 // no need to check any more media types
1418 else if( p_mt->majortype == MEDIATYPE_Audio
1419 && p_mt->formattype == FORMAT_WaveFormatEx )
1421 AUDIO_STREAM_CONFIG_CAPS *pASCC = reinterpret_cast<AUDIO_STREAM_CONFIG_CAPS*>(pSCC);
1422 WAVEFORMATEX *pWfx = reinterpret_cast<WAVEFORMATEX*>(p_mt->pbFormat);
1424 if( i_current_fourcc && (WAVE_FORMAT_PCM == pWfx->wFormatTag) )
1426 int val = i_channels;
1430 if( ( !pASCC->ChannelsGranularity
1431 && (unsigned int)val != pASCC->MinimumChannels
1432 && (unsigned int)val != pASCC->MaximumChannels)
1434 ( pASCC->ChannelsGranularity
1435 && ((val % pASCC->ChannelsGranularity)
1436 || (unsigned int)val < pASCC->MinimumChannels
1437 || (unsigned int)val > pASCC->MaximumChannels)))
1439 // required number channels not available, try next media type
1440 FreeMediaType( *p_mt );
1441 CoTaskMemFree( (PVOID)p_mt );
1444 pWfx->nChannels = val;
1446 val = i_samplespersec;
1450 if( ( !pASCC->SampleFrequencyGranularity
1451 && (unsigned int)val != pASCC->MinimumSampleFrequency
1452 && (unsigned int)val != pASCC->MaximumSampleFrequency)
1454 ( pASCC->SampleFrequencyGranularity
1455 && ((val % pASCC->SampleFrequencyGranularity)
1456 || (unsigned int)val < pASCC->MinimumSampleFrequency
1457 || (unsigned int)val > pASCC->MaximumSampleFrequency )))
1459 // required sampling rate not available, try next media type
1460 FreeMediaType( *p_mt );
1461 CoTaskMemFree( (PVOID)p_mt );
1464 pWfx->nSamplesPerSec = val;
1466 val = i_bitspersample;
1469 if( VLC_CODEC_FL32 == i_current_fourcc )
1475 if( ( !pASCC->BitsPerSampleGranularity
1476 && (unsigned int)val != pASCC->MinimumBitsPerSample
1477 && (unsigned int)val != pASCC->MaximumBitsPerSample )
1479 ( pASCC->BitsPerSampleGranularity
1480 && ((val % pASCC->BitsPerSampleGranularity)
1481 || (unsigned int)val < pASCC->MinimumBitsPerSample
1482 || (unsigned int)val > pASCC->MaximumBitsPerSample )))
1484 // required sample size not available, try next media type
1485 FreeMediaType( *p_mt );
1486 CoTaskMemFree( (PVOID)p_mt );
1490 pWfx->wBitsPerSample = val;
1491 pWfx->nBlockAlign = (pWfx->wBitsPerSample * pWfx->nChannels)/8;
1492 pWfx->nAvgBytesPerSec = pWfx->nSamplesPerSec * pWfx->nBlockAlign;
1494 // select this format as default
1495 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1497 i_priority = i_current_priority;
1501 FreeMediaType( *p_mt );
1502 CoTaskMemFree( (PVOID)p_mt );
1505 CoTaskMemFree( (LPVOID)pSCC );
1506 if( i_priority >= 0 )
1507 msg_Dbg( p_this, "EnumDeviceCaps: input pin default format configured");
1514 ** Probe pin for available medias (may be a previously configured one)
1517 if( FAILED( p_output_pin->EnumMediaTypes( &p_enummt ) ) )
1519 p_output_pin->Release();
1523 while( p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1525 int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1526 if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Video
1527 && p_mt->formattype == FORMAT_VideoInfo )
1529 int i_current_width = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1530 int i_current_height = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1531 LONGLONG i_current_atpf = ((VIDEOINFOHEADER *)p_mt->pbFormat)->AvgTimePerFrame;
1533 if( i_current_height < 0 )
1534 i_current_height = -i_current_height;
1536 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1537 "accepts chroma: %4.4s, width:%i, height:%i, fps:%f",
1538 (char *)&i_current_fourcc, i_current_width,
1539 i_current_height, (10000000.0f/((float)i_current_atpf)) );
1541 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1542 ( !i_width || i_width == i_current_width ) &&
1543 ( !i_height || i_height == i_current_height ) &&
1544 ( !i_AvgTimePerFrame || i_AvgTimePerFrame == i_current_atpf ) &&
1548 mt[mt_count++] = *p_mt;
1550 else FreeMediaType( *p_mt );
1552 else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Audio
1553 && p_mt->formattype == FORMAT_WaveFormatEx)
1555 int i_current_channels =
1556 ((WAVEFORMATEX *)p_mt->pbFormat)->nChannels;
1557 int i_current_samplespersec =
1558 ((WAVEFORMATEX *)p_mt->pbFormat)->nSamplesPerSec;
1559 int i_current_bitspersample =
1560 ((WAVEFORMATEX *)p_mt->pbFormat)->wBitsPerSample;
1562 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1563 "accepts format: %4.4s, channels:%i, "
1564 "samples/sec:%i bits/sample:%i",
1565 (char *)&i_current_fourcc, i_current_channels,
1566 i_current_samplespersec, i_current_bitspersample);
1568 if( (!i_channels || i_channels == i_current_channels) &&
1569 (!i_samplespersec ||
1570 i_samplespersec == i_current_samplespersec) &&
1571 (!i_bitspersample ||
1572 i_bitspersample == i_current_bitspersample) &&
1576 mt[mt_count++] = *p_mt;
1578 /* Setup a few properties like the audio latency */
1579 IAMBufferNegotiation *p_ambuf;
1580 if( SUCCEEDED( p_output_pin->QueryInterface(
1581 IID_IAMBufferNegotiation, (void **)&p_ambuf ) ) )
1583 ALLOCATOR_PROPERTIES AllocProp;
1584 AllocProp.cbAlign = -1;
1586 /* 100 ms of latency */
1587 AllocProp.cbBuffer = i_current_channels *
1588 i_current_samplespersec *
1589 i_current_bitspersample / 8 / 10;
1591 AllocProp.cbPrefix = -1;
1592 AllocProp.cBuffers = -1;
1593 p_ambuf->SuggestAllocatorProperties( &AllocProp );
1597 else FreeMediaType( *p_mt );
1599 else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Stream )
1601 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1602 "accepts stream format: %4.4s",
1603 (char *)&i_current_fourcc );
1605 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1609 mt[mt_count++] = *p_mt;
1610 i_fourcc = i_current_fourcc;
1612 else FreeMediaType( *p_mt );
1616 const char * psz_type = "unknown";
1617 if( p_mt->majortype == MEDIATYPE_Video ) psz_type = "video";
1618 if( p_mt->majortype == MEDIATYPE_Audio ) psz_type = "audio";
1619 if( p_mt->majortype == MEDIATYPE_Stream ) psz_type = "stream";
1620 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: unsupported format "
1621 "(%s %4.4s)", psz_type, (char *)&p_mt->subtype );
1623 FreeMediaType( *p_mt );
1625 CoTaskMemFree( (PVOID)p_mt );
1628 if( !mt_count && p_enummt->Reset() == S_OK )
1630 // VLC did not find any supported MEDIATYPE for this output pin.
1631 // However the graph builder might insert converter filters in
1632 // the graph if we use a different codec in VLC filter input pin.
1633 // however, in order to avoid nasty surprises, make use of this
1634 // facility only for known unsupported codecs.
1636 while( !mt_count && p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1638 // the first four bytes of subtype GUID contains the codec FOURCC
1639 const char *pfcc = (char *)&p_mt->subtype;
1640 int i_current_fourcc = VLC_FOURCC(pfcc[0], pfcc[1], pfcc[2], pfcc[3]);
1641 if( VLC_FOURCC('H','C','W','2') == i_current_fourcc
1642 && p_mt->majortype == MEDIATYPE_Video )
1644 // output format for 'Hauppauge WinTV PVR PCI II Capture'
1645 // try I420 as an input format
1646 i_current_fourcc = VLC_CODEC_I420;
1647 if( !i_fourcc || i_fourcc == i_current_fourcc )
1649 // return alternative media type
1653 mtr.majortype = MEDIATYPE_Video;
1654 mtr.subtype = MEDIASUBTYPE_I420;
1655 mtr.bFixedSizeSamples = TRUE;
1656 mtr.bTemporalCompression = FALSE;
1658 mtr.formattype = FORMAT_VideoInfo;
1659 mtr.cbFormat = sizeof(vh);
1660 mtr.pbFormat = (BYTE *)&vh;
1662 memset(&vh, 0, sizeof(vh));
1664 vh.bmiHeader.biSize = sizeof(vh.bmiHeader);
1665 vh.bmiHeader.biWidth = i_width > 0 ? i_width :
1666 ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1667 vh.bmiHeader.biHeight = i_height > 0 ? i_height :
1668 ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1669 vh.bmiHeader.biPlanes = 3;
1670 vh.bmiHeader.biBitCount = 12;
1671 vh.bmiHeader.biCompression = VLC_CODEC_I420;
1672 vh.bmiHeader.biSizeImage = vh.bmiHeader.biWidth * 12 *
1673 vh.bmiHeader.biHeight / 8;
1674 mtr.lSampleSize = vh.bmiHeader.biSizeImage;
1676 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: using 'I420' in place of unsupported format 'HCW2'");
1678 if( SUCCEEDED(CopyMediaType(mt+mt_count, &mtr)) )
1682 FreeMediaType( *p_mt );
1686 p_enummt->Release();
1687 p_output_pin->Release();
1690 p_enumpins->Release();
1694 /*****************************************************************************
1695 * ReadCompressed: reads compressed (MPEG/DV) data from the device.
1696 *****************************************************************************
1697 * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
1699 *****************************************************************************/
1700 static block_t *ReadCompressed( access_t *p_access )
1702 access_sys_t *p_sys = p_access->p_sys;
1703 dshow_stream_t *p_stream = NULL;
1704 VLCMediaSample sample;
1706 /* Read 1 DV/MPEG frame (they contain the video and audio data) */
1708 /* There must be only 1 elementary stream to produce a valid stream
1709 * of MPEG or DV data */
1710 p_stream = p_sys->pp_streams[0];
1714 if( !vlc_object_alive (p_access) || p_access->b_error ) return 0;
1716 /* Get new sample/frame from the elementary stream (blocking). */
1717 vlc_mutex_lock( &p_sys->lock );
1719 if( p_stream->p_capture_filter->CustomGetPin()
1720 ->CustomGetSample( &sample ) != S_OK )
1722 /* No data available. Wait until some data has arrived */
1723 vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1724 vlc_mutex_unlock( &p_sys->lock );
1728 vlc_mutex_unlock( &p_sys->lock );
1735 int i_data_size = sample.p_sample->GetActualDataLength();
1737 if( !i_data_size || !(p_block = block_New( p_access, i_data_size )) )
1739 sample.p_sample->Release();
1743 sample.p_sample->GetPointer( &p_data );
1744 vlc_memcpy( p_block->p_buffer, p_data, i_data_size );
1745 sample.p_sample->Release();
1747 /* The caller got what he wanted */
1751 return NULL; /* never reached */
1754 /****************************************************************************
1756 ****************************************************************************/
1757 static int Demux( demux_t *p_demux )
1759 access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
1761 int i_found_samples;
1763 i_found_samples = 0;
1764 vlc_mutex_lock( &p_sys->lock );
1766 while ( !i_found_samples )
1768 /* Try to grab samples from all streams */
1769 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1771 dshow_stream_t *p_stream = p_sys->pp_streams[i_stream];
1772 if( p_stream->p_capture_filter &&
1773 p_stream->p_capture_filter->CustomGetPin()
1774 ->CustomGetSamples( p_stream->samples_queue ) == S_OK )
1776 i_found_samples = 1;
1780 if ( !i_found_samples)
1782 /* Didn't find any audio nor video sample, just wait till the
1783 * dshow thread pushes some samples */
1784 vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1785 /* Some DShow thread pushed data, or the OS broke the wait all
1786 * by itself. In all cases, it's *strongly* advised to test the
1787 * condition again, so let the loop do the test again */
1791 vlc_mutex_unlock( &p_sys->lock );
1793 for ( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1796 dshow_stream_t *p_stream = p_sys->pp_streams[i_stream];
1798 i_samples = p_stream->samples_queue.size();
1799 while ( i_samples > 0 )
1804 VLCMediaSample sample;
1806 sample = p_stream->samples_queue.front();
1807 p_stream->samples_queue.pop_front();
1809 i_data_size = sample.p_sample->GetActualDataLength();
1810 sample.p_sample->GetPointer( &p_data );
1812 REFERENCE_TIME i_pts, i_end_date;
1813 HRESULT hr = sample.p_sample->GetTime( &i_pts, &i_end_date );
1814 if( hr != VFW_S_NO_STOP_TIME && hr != S_OK ) i_pts = 0;
1818 if( p_stream->mt.majortype == MEDIATYPE_Video || !p_stream->b_pts )
1820 /* Use our data timestamp */
1821 i_pts = sample.i_timestamp;
1822 p_stream->b_pts = true;
1826 i_pts /= 10; /* Dshow works with 100 nano-seconds resolution */
1829 msg_Dbg( p_demux, "Read() stream: %i, size: %i, PTS: %"PRId64,
1830 i_stream, i_data_size, i_pts );
1833 p_block = block_New( p_demux, i_data_size );
1834 vlc_memcpy( p_block->p_buffer, p_data, i_data_size );
1835 p_block->i_pts = p_block->i_dts = i_pts;
1836 sample.p_sample->Release();
1838 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_pts > 0 ? i_pts : 0 );
1839 es_out_Send( p_demux->out, p_stream->p_es, p_block );
1848 /*****************************************************************************
1850 *****************************************************************************/
1851 static int AccessControl( access_t *p_access, int i_query, va_list args )
1860 case ACCESS_CAN_SEEK:
1861 case ACCESS_CAN_FASTSEEK:
1862 case ACCESS_CAN_PAUSE:
1863 case ACCESS_CAN_CONTROL_PACE:
1864 pb_bool = (bool*)va_arg( args, bool* );
1869 case ACCESS_GET_PTS_DELAY:
1870 pi_64 = (int64_t*)va_arg( args, int64_t * );
1871 *pi_64 = (int64_t)var_GetInteger( p_access, "dshow-caching" ) * 1000;
1875 case ACCESS_SET_PAUSE_STATE:
1876 case ACCESS_GET_TITLE_INFO:
1877 case ACCESS_SET_TITLE:
1878 case ACCESS_SET_SEEKPOINT:
1879 case ACCESS_SET_PRIVATE_ID_STATE:
1880 return VLC_EGENERIC;
1883 msg_Warn( p_access, "unimplemented query in control" );
1884 return VLC_EGENERIC;
1890 /****************************************************************************
1892 ****************************************************************************/
1893 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
1900 /* Special for access_demux */
1901 case DEMUX_CAN_PAUSE:
1902 case DEMUX_CAN_SEEK:
1903 case DEMUX_SET_PAUSE_STATE:
1904 case DEMUX_CAN_CONTROL_PACE:
1905 pb = (bool*)va_arg( args, bool * );
1909 case DEMUX_GET_PTS_DELAY:
1910 pi64 = (int64_t*)va_arg( args, int64_t * );
1911 *pi64 = (int64_t)var_GetInteger( p_demux, "dshow-caching" ) * 1000;
1914 case DEMUX_GET_TIME:
1915 pi64 = (int64_t*)va_arg( args, int64_t * );
1919 /* TODO implement others */
1921 return VLC_EGENERIC;
1924 return VLC_EGENERIC;
1927 /*****************************************************************************
1928 * config variable callback
1929 *****************************************************************************/
1930 static int FindDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1931 vlc_value_t newval, vlc_value_t oldval, void * )
1933 module_config_t *p_item;
1934 bool b_audio = false;
1937 p_item = config_FindConfig( p_this, psz_name );
1938 if( !p_item ) return VLC_SUCCESS;
1940 if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = true;
1942 /* Clear-up the current list */
1943 if( p_item->i_list )
1945 /* Keep the 2 first entries */
1946 for( i = 2; i < p_item->i_list; i++ )
1948 free( const_cast<char *>(p_item->ppsz_list[i]) );
1949 free( const_cast<char *>(p_item->ppsz_list_text[i]) );
1951 /* TODO: Remove when no more needed */
1952 p_item->ppsz_list[i] = NULL;
1953 p_item->ppsz_list_text[i] = NULL;
1957 /* Find list of devices */
1958 list<string> list_devices;
1960 /* Initialize OLE/COM */
1963 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1965 /* Uninitialize OLE/COM */
1968 if( !list_devices.size() ) return VLC_SUCCESS;
1970 p_item->ppsz_list = realloc_or_free( p_item->ppsz_list,
1971 (list_devices.size()+3) * sizeof(char *) );
1972 assert( p_item->ppsz_list );
1973 p_item->ppsz_list_text = realloc_or_free( p_item->ppsz_list_text,
1974 (list_devices.size()+3) * sizeof(char *) );
1975 assert( p_item->ppsz_list_text );
1977 list<string>::iterator iter;
1978 for( iter = list_devices.begin(), i = 2; iter != list_devices.end();
1981 p_item->ppsz_list[i] = strdup( iter->c_str() );
1982 p_item->ppsz_list_text[i] = NULL;
1985 p_item->ppsz_list[i] = NULL;
1986 p_item->ppsz_list_text[i] = NULL;
1988 /* Signal change to the interface */
1989 p_item->b_dirty = true;
1994 static int ConfigDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1995 vlc_value_t newval, vlc_value_t oldval, void * )
1997 module_config_t *p_item;
1998 bool b_audio = false;
1999 char *psz_device = NULL;
2000 int i_ret = VLC_SUCCESS;
2002 if( !EMPTY_STR( newval.psz_string ) )
2003 psz_device = strdup( newval.psz_string );
2005 /* Initialize OLE/COM */
2008 p_item = config_FindConfig( p_this, psz_name );
2017 if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = true;
2023 devicename = psz_device ;
2027 /* If no device name was specified, pick the 1st one */
2028 list<string> list_devices;
2030 /* Enumerate devices */
2031 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
2032 if( !list_devices.size() )
2035 return VLC_EGENERIC;
2037 devicename = *list_devices.begin();
2040 IBaseFilter *p_device_filter =
2041 FindCaptureDevice( p_this, &devicename, NULL, b_audio );
2042 if( p_device_filter )
2044 ShowPropertyPage( p_device_filter );
2045 p_device_filter->Release();
2049 msg_Err( p_this, "didn't find device: %s", devicename.c_str() );
2050 i_ret = VLC_EGENERIC;
2053 /* Uninitialize OLE/COM */
2060 /*****************************************************************************
2062 *****************************************************************************/
2064 static void ShowPropertyPage( IUnknown *obj )
2066 ISpecifyPropertyPages *p_spec;
2069 HRESULT hr = obj->QueryInterface( IID_ISpecifyPropertyPages,
2071 if( FAILED(hr) ) return;
2073 if( SUCCEEDED(p_spec->GetPages( &cauuid )) )
2075 if( cauuid.cElems > 0 )
2077 HWND hwnd_desktop = ::GetDesktopWindow();
2079 OleCreatePropertyFrame( hwnd_desktop, 30, 30, NULL, 1, &obj,
2080 cauuid.cElems, cauuid.pElems, 0, 0, NULL );
2082 CoTaskMemFree( cauuid.pElems );
2088 static void ShowDeviceProperties( vlc_object_t *p_this,
2089 ICaptureGraphBuilder2 *p_graph,
2090 IBaseFilter *p_device_filter,
2094 msg_Dbg( p_this, "configuring Device Properties" );
2097 * Video or audio capture filter page
2099 ShowPropertyPage( p_device_filter );
2104 if( p_graph && b_audio )
2106 IAMStreamConfig *p_SC;
2108 msg_Dbg( p_this, "showing WDM Audio Configuration Pages" );
2110 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2111 &MEDIATYPE_Audio, p_device_filter,
2112 IID_IAMStreamConfig, (void **)&p_SC );
2115 ShowPropertyPage(p_SC);
2123 HRESULT hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2124 &MEDIATYPE_Audio, p_device_filter,
2125 IID_IAMTVAudio, (void **)&p_TVA );
2128 ShowPropertyPage(p_TVA);
2136 if( p_graph && !b_audio )
2138 IAMStreamConfig *p_SC;
2140 msg_Dbg( p_this, "showing WDM Video Configuration Pages" );
2142 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2143 &MEDIATYPE_Interleaved, p_device_filter,
2144 IID_IAMStreamConfig, (void **)&p_SC );
2147 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2148 &MEDIATYPE_Video, p_device_filter,
2149 IID_IAMStreamConfig, (void **)&p_SC );
2154 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2155 &MEDIATYPE_Stream, p_device_filter,
2156 IID_IAMStreamConfig, (void **)&p_SC );
2161 ShowPropertyPage(p_SC);
2167 static void ShowTunerProperties( vlc_object_t *p_this,
2168 ICaptureGraphBuilder2 *p_graph,
2169 IBaseFilter *p_device_filter,
2173 msg_Dbg( p_this, "configuring Tuner Properties" );
2175 if( !p_graph || b_audio ) return;
2178 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2179 &MEDIATYPE_Interleaved, p_device_filter,
2180 IID_IAMTVTuner, (void **)&p_TV );
2183 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2184 &MEDIATYPE_Video, p_device_filter,
2185 IID_IAMTVTuner, (void **)&p_TV );
2190 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2191 &MEDIATYPE_Stream, p_device_filter,
2192 IID_IAMTVTuner, (void **)&p_TV );
2197 ShowPropertyPage(p_TV);
2202 static void ConfigTuner( vlc_object_t *p_this, ICaptureGraphBuilder2 *p_graph,
2203 IBaseFilter *p_device_filter )
2205 int i_channel, i_country, i_input, i_amtuner_mode;
2210 if( !p_graph ) return;
2212 i_channel = var_GetInteger( p_this, "dshow-tuner-channel" );
2213 i_country = var_GetInteger( p_this, "dshow-tuner-country" );
2214 i_input = var_GetInteger( p_this, "dshow-tuner-input" );
2215 i_amtuner_mode = var_GetInteger( p_this, "dshow-amtuner-mode" );
2217 if( !i_channel && !i_country && !i_input ) return; /* Nothing to do */
2219 msg_Dbg( p_this, "tuner config: channel %i, country %i, input type %i",
2220 i_channel, i_country, i_input );
2222 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Interleaved,
2223 p_device_filter, IID_IAMTVTuner,
2227 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video,
2228 p_device_filter, IID_IAMTVTuner,
2234 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Stream,
2235 p_device_filter, IID_IAMTVTuner,
2241 msg_Dbg( p_this, "couldn't find tuner interface" );
2245 hr = p_TV->GetAvailableModes( &l_modes );
2246 if( SUCCEEDED(hr) && (l_modes & i_amtuner_mode) )
2248 hr = p_TV->put_Mode( (AMTunerModeType)i_amtuner_mode );
2251 if( i_input == 1 ) p_TV->put_InputType( 0, TunerInputCable );
2252 else if( i_input == 2 ) p_TV->put_InputType( 0, TunerInputAntenna );
2254 p_TV->put_CountryCode( i_country );
2255 p_TV->put_Channel( i_channel, AMTUNER_SUBCHAN_NO_TUNE,
2256 AMTUNER_SUBCHAN_NO_TUNE );