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_aspect = 4 * VOUT_ASPECT_FACTOR / 3;
652 if( !p_stream->header.video.bmiHeader.biCompression )
654 /* RGB DIB are coded from bottom to top */
655 fmt.video.i_height = (unsigned int)(-(int)fmt.video.i_height);
658 /* Setup rgb mask for RGB formats */
659 if( p_stream->i_fourcc == VLC_CODEC_RGB24 )
661 /* This is in BGR format */
662 fmt.video.i_bmask = 0x00ff0000;
663 fmt.video.i_gmask = 0x0000ff00;
664 fmt.video.i_rmask = 0x000000ff;
667 if( p_stream->header.video.AvgTimePerFrame )
669 fmt.video.i_frame_rate = 10000000;
670 fmt.video.i_frame_rate_base =
671 p_stream->header.video.AvgTimePerFrame;
674 else if( p_stream->mt.majortype == MEDIATYPE_Audio )
676 es_format_Init( &fmt, AUDIO_ES, p_stream->i_fourcc );
678 fmt.audio.i_channels = p_stream->header.audio.nChannels;
679 fmt.audio.i_rate = p_stream->header.audio.nSamplesPerSec;
680 fmt.audio.i_bitspersample = p_stream->header.audio.wBitsPerSample;
681 fmt.audio.i_blockalign = fmt.audio.i_channels *
682 fmt.audio.i_bitspersample / 8;
683 fmt.i_bitrate = fmt.audio.i_channels * fmt.audio.i_rate *
684 fmt.audio.i_bitspersample;
687 p_stream->p_es = es_out_Add( p_demux->out, &fmt );
693 /*****************************************************************************
694 * AccessOpen: open direct show device as an access module
695 *****************************************************************************/
696 static int AccessOpen( vlc_object_t *p_this )
698 access_t *p_access = (access_t*)p_this;
701 p_access->p_sys = p_sys = (access_sys_t*)calloc( 1, sizeof( access_sys_t ) );
705 if( CommonOpen( p_this, p_sys, false ) != VLC_SUCCESS )
707 CommonClose( p_this, p_sys );
711 dshow_stream_t *p_stream = p_sys->pp_streams[0];
713 /* Check if we need to force demuxers */
714 if( !p_access->psz_demux || !*p_access->psz_demux )
716 if( p_stream->i_fourcc == VLC_CODEC_DV )
718 free( p_access->psz_demux );
719 p_access->psz_demux = strdup( "rawdv" );
721 else if( p_stream->i_fourcc == VLC_CODEC_MPGV )
723 free( p_access->psz_demux );
724 p_access->psz_demux = strdup( "mpgv" );
729 p_access->pf_read = NULL;
730 p_access->pf_block = ReadCompressed;
731 p_access->pf_control = AccessControl;
732 p_access->pf_seek = NULL;
733 p_access->info.i_update = 0;
734 p_access->info.i_size = 0;
735 p_access->info.i_pos = 0;
736 p_access->info.b_eof = false;
737 p_access->info.i_title = 0;
738 p_access->info.i_seekpoint = 0;
739 p_access->p_sys = p_sys;
741 /* Everything is ready. Let's rock baby */
742 msg_Dbg( p_this, "Playing...");
743 p_sys->p_control->Run();
748 /*****************************************************************************
749 * CommonClose: close device
750 *****************************************************************************/
751 static void CommonClose( vlc_object_t *p_this, access_sys_t *p_sys )
753 msg_Dbg( p_this, "releasing DirectShow");
755 DeleteDirectShowGraph( p_sys );
757 /* Uninitialize OLE/COM */
760 for( int i = 0; i < p_sys->i_streams; i++ ) delete p_sys->pp_streams[i];
761 if( p_sys->i_streams ) free( p_sys->pp_streams );
763 vlc_mutex_destroy( &p_sys->lock );
764 vlc_cond_destroy( &p_sys->wait );
769 /*****************************************************************************
770 * AccessClose: close device
771 *****************************************************************************/
772 static void AccessClose( vlc_object_t *p_this )
774 access_t *p_access = (access_t *)p_this;
775 access_sys_t *p_sys = p_access->p_sys;
777 /* Stop capturing stuff */
778 p_sys->p_control->Stop();
780 CommonClose( p_this, p_sys );
783 /*****************************************************************************
784 * DemuxClose: close device
785 *****************************************************************************/
786 static void DemuxClose( vlc_object_t *p_this )
788 demux_t *p_demux = (demux_t *)p_this;
789 access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
791 /* Stop capturing stuff */
792 p_sys->p_control->Stop();
794 CommonClose( p_this, p_sys );
797 /****************************************************************************
799 ****************************************************************************/
800 static bool ConnectFilters( vlc_object_t *p_this, access_sys_t *p_sys,
801 IBaseFilter *p_filter,
802 CaptureFilter *p_capture_filter )
804 CapturePin *p_input_pin = p_capture_filter->CustomGetPin();
806 AM_MEDIA_TYPE mediaType = p_input_pin->CustomGetMediaType();
808 if( p_sys->p_capture_graph_builder2 )
810 if( FAILED(p_sys->p_capture_graph_builder2->
811 RenderStream( &PIN_CATEGORY_CAPTURE, &mediaType.majortype,
812 p_filter, 0, (IBaseFilter *)p_capture_filter )) )
817 // Sort out all the possible video inputs
818 // The class needs to be given the capture filters ANALOGVIDEO input pin
819 IEnumPins *pins = NULL;
820 if( ( mediaType.majortype == MEDIATYPE_Video ||
821 mediaType.majortype == MEDIATYPE_Stream ) &&
822 SUCCEEDED(p_filter->EnumPins(&pins)) )
828 IKsPropertySet *pKs = NULL;
832 while( !Found && ( S_OK == pins->Next(1, &pP, &n) ) )
834 if( S_OK == pP->QueryPinInfo(&pinInfo) )
836 // is this pin an ANALOGVIDEOIN input pin?
837 if( pinInfo.dir == PINDIR_INPUT &&
838 pP->QueryInterface( IID_IKsPropertySet,
839 (void **)&pKs ) == S_OK )
841 if( pKs->Get( AMPROPSETID_Pin,
842 AMPROPERTY_PIN_CATEGORY, NULL, 0,
843 &guid, sizeof(GUID), &dw ) == S_OK )
845 if( guid == PIN_CATEGORY_ANALOGVIDEOIN )
847 // recursively search crossbar routes
848 FindCrossbarRoutes( p_this, p_sys, pP, 0 );
855 pinInfo.pFilter->Release();
860 msg_Dbg( p_this, "ConnectFilters: graph_builder2 available.") ;
862 msg_Warn( p_this, "ConnectFilters: No crossBar routes found (incobatible pin types)" ) ;
868 IEnumPins *p_enumpins;
871 if( S_OK != p_filter->EnumPins( &p_enumpins ) ) return false;
873 while( S_OK == p_enumpins->Next( 1, &p_pin, NULL ) )
875 PIN_DIRECTION pin_dir;
876 p_pin->QueryDirection( &pin_dir );
878 if( pin_dir == PINDIR_OUTPUT &&
879 p_sys->p_graph->ConnectDirect( p_pin, (IPin *)p_input_pin,
883 p_enumpins->Release();
889 p_enumpins->Release();
895 * get fourcc priority from arbritary preference, the higher the better
897 static int GetFourCCPriority( int i_fourcc )
905 case VLC_FOURCC('a','r','a','w'):
907 case VLC_CODEC_RGB24:
910 case VLC_CODEC_RGB32:
918 #define MAX_MEDIA_TYPES 32
920 static int OpenDevice( vlc_object_t *p_this, access_sys_t *p_sys,
921 string devicename, bool b_audio )
923 /* See if device is already opened */
924 for( int i = 0; i < p_sys->i_streams; i++ )
926 if( devicename.size() &&
927 p_sys->pp_streams[i]->devicename == devicename )
934 list<string> list_devices;
936 /* Enumerate devices and display their names */
937 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
938 if( !list_devices.size() )
941 list<string>::iterator iter;
942 for( iter = list_devices.begin(); iter != list_devices.end(); iter++ )
943 msg_Dbg( p_this, "found device: %s", iter->c_str() );
945 /* If no device name was specified, pick the 1st one */
946 if( devicename.size() == 0 )
948 /* When none selected */
949 devicename = *list_devices.begin();
950 msg_Dbg( p_this, "asking for default device: %s", devicename.c_str() ) ;
953 msg_Dbg( p_this, "asking for device: %s", devicename.c_str() ) ;
954 // Use the system device enumerator and class enumerator to find
955 // a capture/preview device, such as a desktop USB video camera.
956 IBaseFilter *p_device_filter =
957 FindCaptureDevice( p_this, &devicename, NULL, b_audio );
959 if( p_device_filter )
960 msg_Dbg( p_this, "using device: %s", devicename.c_str() );
963 msg_Err( p_this, "can't use device: %s, unsupported device type",
964 devicename.c_str() );
965 dialog_Fatal( p_this, _("Capture failed"),
966 _("VLC cannot use the device \"%s\", because its "
967 "type is not supported."), devicename.c_str() );
971 // Retreive acceptable media types supported by device
972 AM_MEDIA_TYPE media_types[MAX_MEDIA_TYPES];
974 EnumDeviceCaps( p_this, p_device_filter, b_audio ? 0 : p_sys->i_chroma,
975 p_sys->i_width, p_sys->i_height,
976 b_audio ? var_CreateGetInteger( p_this, "dshow-audio-channels" ) : 0,
977 b_audio ? var_CreateGetInteger( p_this, "dshow-audio-samplerate" ) : 0,
978 b_audio ? var_CreateGetInteger( p_this, "dshow-audio-bitspersample" ) : 0,
979 media_types, MAX_MEDIA_TYPES );
981 AM_MEDIA_TYPE *mt = NULL;
983 if( media_count > 0 )
985 mt = (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE) * media_count);
987 // Order and copy returned media types according to arbitrary
989 for( size_t c = 0; c < media_count; c++ )
992 GetFourCCPriority(GetFourCCFromMediaType(media_types[c]));
993 size_t slot_copy = c;
994 for( size_t d = c+1; d < media_count; d++ )
997 GetFourCCPriority(GetFourCCFromMediaType(media_types[d]));
998 if( priority > slot_priority )
1000 slot_priority = priority;
1004 if( slot_copy != c )
1006 mt[c] = media_types[slot_copy];
1007 media_types[slot_copy] = media_types[c];
1011 mt[c] = media_types[c];
1016 /* capture device */
1017 msg_Err( p_this, "capture device '%s' does not support required parameters !", devicename.c_str() );
1018 dialog_Fatal( p_this, _("Capture failed"),
1019 _("The capture device \"%s\" does not support the "
1020 "required parameters."), devicename.c_str() );
1021 p_device_filter->Release();
1022 return VLC_EGENERIC;
1025 /* Create and add our capture filter */
1026 CaptureFilter *p_capture_filter =
1027 new CaptureFilter( p_this, p_sys, mt, media_count );
1028 p_sys->p_graph->AddFilter( p_capture_filter, 0 );
1030 /* Add the device filter to the graph (seems necessary with VfW before
1031 * accessing pin attributes). */
1032 p_sys->p_graph->AddFilter( p_device_filter, 0 );
1034 /* Attempt to connect one of this device's capture output pins */
1035 msg_Dbg( p_this, "connecting filters" );
1036 if( ConnectFilters( p_this, p_sys, p_device_filter, p_capture_filter ) )
1039 msg_Dbg( p_this, "filters connected successfully !" );
1041 dshow_stream_t dshow_stream;
1042 dshow_stream.b_pts = false;
1043 dshow_stream.p_es = 0;
1045 p_capture_filter->CustomGetPin()->CustomGetMediaType();
1047 /* Show Device properties. Done here so the VLC stream is setup with
1048 * the proper parameters. */
1049 if( var_GetBool( p_this, "dshow-config" ) )
1051 ShowDeviceProperties( p_this, p_sys->p_capture_graph_builder2,
1052 p_device_filter, b_audio );
1055 ConfigTuner( p_this, p_sys->p_capture_graph_builder2,
1058 if( var_GetBool( p_this, "dshow-tuner" ) &&
1059 dshow_stream.mt.majortype != MEDIATYPE_Stream )
1061 /* FIXME: we do MEDIATYPE_Stream later so we don't do it twice. */
1062 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
1063 p_device_filter, b_audio );
1067 p_capture_filter->CustomGetPin()->CustomGetMediaType();
1069 dshow_stream.i_fourcc = GetFourCCFromMediaType( dshow_stream.mt );
1070 if( dshow_stream.i_fourcc )
1072 if( dshow_stream.mt.majortype == MEDIATYPE_Video )
1074 dshow_stream.header.video =
1075 *(VIDEOINFOHEADER *)dshow_stream.mt.pbFormat;
1076 msg_Dbg( p_this, "MEDIATYPE_Video" );
1077 msg_Dbg( p_this, "selected video pin accepts format: %4.4s",
1078 (char *)&dshow_stream.i_fourcc);
1080 else if( dshow_stream.mt.majortype == MEDIATYPE_Audio )
1082 dshow_stream.header.audio =
1083 *(WAVEFORMATEX *)dshow_stream.mt.pbFormat;
1084 msg_Dbg( p_this, "MEDIATYPE_Audio" );
1085 msg_Dbg( p_this, "selected audio pin accepts format: %4.4s",
1086 (char *)&dshow_stream.i_fourcc);
1088 else if( dshow_stream.mt.majortype == MEDIATYPE_Stream )
1090 msg_Dbg( p_this, "MEDIATYPE_Stream" );
1091 msg_Dbg( p_this, "selected stream pin accepts format: %4.4s",
1092 (char *)&dshow_stream.i_fourcc);
1096 msg_Dbg( p_this, "unknown stream majortype" );
1100 /* Add directshow elementary stream to our list */
1101 dshow_stream.p_device_filter = p_device_filter;
1102 dshow_stream.p_capture_filter = p_capture_filter;
1104 p_sys->pp_streams = (dshow_stream_t **)realloc( p_sys->pp_streams,
1105 sizeof(dshow_stream_t *) * (p_sys->i_streams + 1) );
1106 p_sys->pp_streams[p_sys->i_streams] = new dshow_stream_t;
1107 *p_sys->pp_streams[p_sys->i_streams++] = dshow_stream;
1114 /* Remove filters from graph */
1115 p_sys->p_graph->RemoveFilter( p_device_filter );
1116 p_sys->p_graph->RemoveFilter( p_capture_filter );
1118 /* Release objects */
1119 p_device_filter->Release();
1120 p_capture_filter->Release();
1122 return VLC_EGENERIC;
1125 /* FindCaptureDevices:: This Function had two purposes :
1126 Returns the list of capture devices when p_listdevices != NULL
1127 Creates an IBaseFilter when p_devicename corresponds to an existing devname
1128 These actions *may* be requested whith a single call.
1130 static IBaseFilter *
1131 FindCaptureDevice( vlc_object_t *p_this, string *p_devicename,
1132 list<string> *p_listdevices, bool b_audio )
1134 IBaseFilter *p_base_filter = NULL;
1135 IMoniker *p_moniker = NULL;
1138 list<string> devicelist;
1140 /* Create the system device enumerator */
1141 ICreateDevEnum *p_dev_enum = NULL;
1143 hr = CoCreateInstance( CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
1144 IID_ICreateDevEnum, (void **)&p_dev_enum );
1147 msg_Err( p_this, "failed to create the device enumerator (0x%lx)", hr);
1151 /* Create an enumerator for the video capture devices */
1152 IEnumMoniker *p_class_enum = NULL;
1154 hr = p_dev_enum->CreateClassEnumerator( CLSID_VideoInputDeviceCategory,
1157 hr = p_dev_enum->CreateClassEnumerator( CLSID_AudioInputDeviceCategory,
1159 p_dev_enum->Release();
1162 msg_Err( p_this, "failed to create the class enumerator (0x%lx)", hr );
1166 /* If there are no enumerators for the requested type, then
1167 * CreateClassEnumerator will succeed, but p_class_enum will be NULL */
1168 if( p_class_enum == NULL )
1170 msg_Err( p_this, "no %s capture device was detected", ( b_audio ? "audio" : "video" ) );
1174 /* Enumerate the devices */
1176 /* Note that if the Next() call succeeds but there are no monikers,
1177 * it will return S_FALSE (which is not a failure). Therefore, we check
1178 * that the return code is S_OK instead of using SUCCEEDED() macro. */
1180 while( p_class_enum->Next( 1, &p_moniker, &i_fetched ) == S_OK )
1182 /* Getting the property page to get the device name */
1183 IPropertyBag *p_bag;
1184 hr = p_moniker->BindToStorage( 0, 0, IID_IPropertyBag,
1190 hr = p_bag->Read( L"FriendlyName", &var, NULL );
1194 char *p_buf = FromWide( var.bstrVal );
1195 string devname = string(p_buf);
1199 /* find out if this name is already used by a previously found device */
1200 list<string>::const_iterator iter = devicelist.begin();
1201 list<string>::const_iterator end = devicelist.end();
1202 string ordevname = devname ;
1203 while ( iter != end )
1205 if( 0 == (*iter).compare( devname ) )
1206 { /* devname is on the list. Try another name with sequence
1207 number apended and then rescan until a unique entry is found*/
1209 snprintf(seq, 16, " #%d", ++dup);
1210 devname = ordevname + seq;
1211 iter = devicelist.begin();
1216 devicelist.push_back( devname );
1218 if( p_devicename && *p_devicename == devname )
1220 msg_Dbg( p_this, "asked for %s, binding to %s", p_devicename->c_str() , devname.c_str() ) ;
1221 /* NULL possibly means we don't need BindMoniker BindCtx ?? */
1222 hr = p_moniker->BindToObject( NULL, 0, IID_IBaseFilter,
1223 (void **)&p_base_filter );
1226 msg_Err( p_this, "couldn't bind moniker to filter "
1227 "object (0x%lx)", hr );
1228 p_moniker->Release();
1229 p_class_enum->Release();
1232 p_moniker->Release();
1233 p_class_enum->Release();
1234 return p_base_filter;
1239 p_moniker->Release();
1242 p_class_enum->Release();
1244 if( p_listdevices ) {
1246 *p_listdevices = devicelist;
1251 static size_t EnumDeviceCaps( vlc_object_t *p_this, IBaseFilter *p_filter,
1252 int i_fourcc, int i_width, int i_height,
1253 int i_channels, int i_samplespersec,
1254 int i_bitspersample, AM_MEDIA_TYPE *mt,
1257 IEnumPins *p_enumpins;
1259 IEnumMediaTypes *p_enummt;
1260 size_t mt_count = 0;
1262 LONGLONG i_AvgTimePerFrame = 0;
1263 float r_fps = var_GetFloat( p_this, "dshow-fps" );
1265 i_AvgTimePerFrame = 10000000000LL/(LONGLONG)(r_fps*1000.0f);
1267 if( FAILED(p_filter->EnumPins( &p_enumpins )) )
1269 msg_Dbg( p_this, "EnumDeviceCaps failed: no pin enumeration !");
1273 while( S_OK == p_enumpins->Next( 1, &p_output_pin, NULL ) )
1277 if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1279 msg_Dbg( p_this, "EnumDeviceCaps: %s pin: %S",
1280 info.dir == PINDIR_INPUT ? "input" : "output",
1282 if( info.pFilter ) info.pFilter->Release();
1285 p_output_pin->Release();
1288 p_enumpins->Reset();
1290 while( !mt_count && p_enumpins->Next( 1, &p_output_pin, NULL ) == S_OK )
1294 if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1296 if( info.pFilter ) info.pFilter->Release();
1297 if( info.dir == PINDIR_INPUT )
1299 p_output_pin->Release();
1302 msg_Dbg( p_this, "EnumDeviceCaps: trying pin %S", info.achName );
1305 AM_MEDIA_TYPE *p_mt;
1308 ** Configure pin with a default compatible media if possible
1311 IAMStreamConfig *pSC;
1312 if( SUCCEEDED(p_output_pin->QueryInterface( IID_IAMStreamConfig,
1315 int piCount, piSize;
1316 if( SUCCEEDED(pSC->GetNumberOfCapabilities(&piCount, &piSize)) )
1318 BYTE *pSCC= (BYTE *)CoTaskMemAlloc(piSize);
1321 int i_priority = -1;
1322 for( int i=0; i<piCount; ++i )
1324 if( SUCCEEDED(pSC->GetStreamCaps(i, &p_mt, pSCC)) )
1326 int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1327 int i_current_priority = GetFourCCPriority(i_current_fourcc);
1329 if( (i_fourcc && (i_current_fourcc != i_fourcc))
1330 || (i_priority > i_current_priority) )
1332 // unwanted chroma, try next media type
1333 FreeMediaType( *p_mt );
1334 CoTaskMemFree( (PVOID)p_mt );
1338 if( MEDIATYPE_Video == p_mt->majortype
1339 && FORMAT_VideoInfo == p_mt->formattype )
1341 VIDEO_STREAM_CONFIG_CAPS *pVSCC = reinterpret_cast<VIDEO_STREAM_CONFIG_CAPS*>(pSCC);
1342 VIDEOINFOHEADER *pVih = reinterpret_cast<VIDEOINFOHEADER*>(p_mt->pbFormat);
1344 if( i_AvgTimePerFrame )
1346 if( pVSCC->MinFrameInterval > i_AvgTimePerFrame
1347 || i_AvgTimePerFrame > pVSCC->MaxFrameInterval )
1349 // required frame rate not compatible, try next media type
1350 FreeMediaType( *p_mt );
1351 CoTaskMemFree( (PVOID)p_mt );
1354 pVih->AvgTimePerFrame = i_AvgTimePerFrame;
1359 if(( !pVSCC->OutputGranularityX
1360 && i_width != pVSCC->MinOutputSize.cx
1361 && i_width != pVSCC->MaxOutputSize.cx)
1363 ( pVSCC->OutputGranularityX
1364 && ((i_width % pVSCC->OutputGranularityX)
1365 || pVSCC->MinOutputSize.cx > i_width
1366 || i_width > pVSCC->MaxOutputSize.cx )))
1368 // required width not compatible, try next media type
1369 FreeMediaType( *p_mt );
1370 CoTaskMemFree( (PVOID)p_mt );
1373 pVih->bmiHeader.biWidth = i_width;
1378 if(( !pVSCC->OutputGranularityY
1379 && i_height != pVSCC->MinOutputSize.cy
1380 && i_height != pVSCC->MaxOutputSize.cy)
1382 ( pVSCC->OutputGranularityY
1383 && ((i_height % pVSCC->OutputGranularityY)
1384 || pVSCC->MinOutputSize.cy > i_height
1385 || i_height > pVSCC->MaxOutputSize.cy )))
1387 // required height not compatible, try next media type
1388 FreeMediaType( *p_mt );
1389 CoTaskMemFree( (PVOID)p_mt );
1392 pVih->bmiHeader.biHeight = i_height;
1395 // Set the sample size and image size.
1396 // (Round the image width up to a DWORD boundary.)
1397 p_mt->lSampleSize = pVih->bmiHeader.biSizeImage =
1398 ((pVih->bmiHeader.biWidth + 3) & ~3) *
1399 pVih->bmiHeader.biHeight * (pVih->bmiHeader.biBitCount>>3);
1401 // no cropping, use full video input buffer
1402 memset(&(pVih->rcSource), 0, sizeof(RECT));
1403 memset(&(pVih->rcTarget), 0, sizeof(RECT));
1405 // select this format as default
1406 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1408 i_priority = i_current_priority;
1410 // no need to check any more media types
1414 else if( p_mt->majortype == MEDIATYPE_Audio
1415 && p_mt->formattype == FORMAT_WaveFormatEx )
1417 AUDIO_STREAM_CONFIG_CAPS *pASCC = reinterpret_cast<AUDIO_STREAM_CONFIG_CAPS*>(pSCC);
1418 WAVEFORMATEX *pWfx = reinterpret_cast<WAVEFORMATEX*>(p_mt->pbFormat);
1420 if( i_current_fourcc && (WAVE_FORMAT_PCM == pWfx->wFormatTag) )
1422 int val = i_channels;
1426 if( ( !pASCC->ChannelsGranularity
1427 && (unsigned int)val != pASCC->MinimumChannels
1428 && (unsigned int)val != pASCC->MaximumChannels)
1430 ( pASCC->ChannelsGranularity
1431 && ((val % pASCC->ChannelsGranularity)
1432 || (unsigned int)val < pASCC->MinimumChannels
1433 || (unsigned int)val > pASCC->MaximumChannels)))
1435 // required number channels not available, try next media type
1436 FreeMediaType( *p_mt );
1437 CoTaskMemFree( (PVOID)p_mt );
1440 pWfx->nChannels = val;
1442 val = i_samplespersec;
1446 if( ( !pASCC->SampleFrequencyGranularity
1447 && (unsigned int)val != pASCC->MinimumSampleFrequency
1448 && (unsigned int)val != pASCC->MaximumSampleFrequency)
1450 ( pASCC->SampleFrequencyGranularity
1451 && ((val % pASCC->SampleFrequencyGranularity)
1452 || (unsigned int)val < pASCC->MinimumSampleFrequency
1453 || (unsigned int)val > pASCC->MaximumSampleFrequency )))
1455 // required sampling rate not available, try next media type
1456 FreeMediaType( *p_mt );
1457 CoTaskMemFree( (PVOID)p_mt );
1460 pWfx->nSamplesPerSec = val;
1462 val = i_bitspersample;
1465 if( VLC_CODEC_FL32 == i_current_fourcc )
1471 if( ( !pASCC->BitsPerSampleGranularity
1472 && (unsigned int)val != pASCC->MinimumBitsPerSample
1473 && (unsigned int)val != pASCC->MaximumBitsPerSample )
1475 ( pASCC->BitsPerSampleGranularity
1476 && ((val % pASCC->BitsPerSampleGranularity)
1477 || (unsigned int)val < pASCC->MinimumBitsPerSample
1478 || (unsigned int)val > pASCC->MaximumBitsPerSample )))
1480 // required sample size not available, try next media type
1481 FreeMediaType( *p_mt );
1482 CoTaskMemFree( (PVOID)p_mt );
1486 pWfx->wBitsPerSample = val;
1487 pWfx->nBlockAlign = (pWfx->wBitsPerSample * pWfx->nChannels)/8;
1488 pWfx->nAvgBytesPerSec = pWfx->nSamplesPerSec * pWfx->nBlockAlign;
1490 // select this format as default
1491 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1493 i_priority = i_current_priority;
1497 FreeMediaType( *p_mt );
1498 CoTaskMemFree( (PVOID)p_mt );
1501 CoTaskMemFree( (LPVOID)pSCC );
1502 if( i_priority >= 0 )
1503 msg_Dbg( p_this, "EnumDeviceCaps: input pin default format configured");
1510 ** Probe pin for available medias (may be a previously configured one)
1513 if( FAILED( p_output_pin->EnumMediaTypes( &p_enummt ) ) )
1515 p_output_pin->Release();
1519 while( p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1521 int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1522 if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Video
1523 && p_mt->formattype == FORMAT_VideoInfo )
1525 int i_current_width = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1526 int i_current_height = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1527 LONGLONG i_current_atpf = ((VIDEOINFOHEADER *)p_mt->pbFormat)->AvgTimePerFrame;
1529 if( i_current_height < 0 )
1530 i_current_height = -i_current_height;
1532 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1533 "accepts chroma: %4.4s, width:%i, height:%i, fps:%f",
1534 (char *)&i_current_fourcc, i_current_width,
1535 i_current_height, (10000000.0f/((float)i_current_atpf)) );
1537 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1538 ( !i_width || i_width == i_current_width ) &&
1539 ( !i_height || i_height == i_current_height ) &&
1540 ( !i_AvgTimePerFrame || i_AvgTimePerFrame == i_current_atpf ) &&
1544 mt[mt_count++] = *p_mt;
1546 else FreeMediaType( *p_mt );
1548 else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Audio
1549 && p_mt->formattype == FORMAT_WaveFormatEx)
1551 int i_current_channels =
1552 ((WAVEFORMATEX *)p_mt->pbFormat)->nChannels;
1553 int i_current_samplespersec =
1554 ((WAVEFORMATEX *)p_mt->pbFormat)->nSamplesPerSec;
1555 int i_current_bitspersample =
1556 ((WAVEFORMATEX *)p_mt->pbFormat)->wBitsPerSample;
1558 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1559 "accepts format: %4.4s, channels:%i, "
1560 "samples/sec:%i bits/sample:%i",
1561 (char *)&i_current_fourcc, i_current_channels,
1562 i_current_samplespersec, i_current_bitspersample);
1564 if( (!i_channels || i_channels == i_current_channels) &&
1565 (!i_samplespersec ||
1566 i_samplespersec == i_current_samplespersec) &&
1567 (!i_bitspersample ||
1568 i_bitspersample == i_current_bitspersample) &&
1572 mt[mt_count++] = *p_mt;
1574 /* Setup a few properties like the audio latency */
1575 IAMBufferNegotiation *p_ambuf;
1576 if( SUCCEEDED( p_output_pin->QueryInterface(
1577 IID_IAMBufferNegotiation, (void **)&p_ambuf ) ) )
1579 ALLOCATOR_PROPERTIES AllocProp;
1580 AllocProp.cbAlign = -1;
1582 /* 100 ms of latency */
1583 AllocProp.cbBuffer = i_current_channels *
1584 i_current_samplespersec *
1585 i_current_bitspersample / 8 / 10;
1587 AllocProp.cbPrefix = -1;
1588 AllocProp.cBuffers = -1;
1589 p_ambuf->SuggestAllocatorProperties( &AllocProp );
1593 else FreeMediaType( *p_mt );
1595 else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Stream )
1597 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1598 "accepts stream format: %4.4s",
1599 (char *)&i_current_fourcc );
1601 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1605 mt[mt_count++] = *p_mt;
1606 i_fourcc = i_current_fourcc;
1608 else FreeMediaType( *p_mt );
1612 const char * psz_type = "unknown";
1613 if( p_mt->majortype == MEDIATYPE_Video ) psz_type = "video";
1614 if( p_mt->majortype == MEDIATYPE_Audio ) psz_type = "audio";
1615 if( p_mt->majortype == MEDIATYPE_Stream ) psz_type = "stream";
1616 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: unsupported format "
1617 "(%s %4.4s)", psz_type, (char *)&p_mt->subtype );
1619 FreeMediaType( *p_mt );
1621 CoTaskMemFree( (PVOID)p_mt );
1624 if( !mt_count && p_enummt->Reset() == S_OK )
1626 // VLC did not find any supported MEDIATYPE for this output pin.
1627 // However the graph builder might insert converter filters in
1628 // the graph if we use a different codec in VLC filter input pin.
1629 // however, in order to avoid nasty surprises, make use of this
1630 // facility only for known unsupported codecs.
1632 while( !mt_count && p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1634 // the first four bytes of subtype GUID contains the codec FOURCC
1635 const char *pfcc = (char *)&p_mt->subtype;
1636 int i_current_fourcc = VLC_FOURCC(pfcc[0], pfcc[1], pfcc[2], pfcc[3]);
1637 if( VLC_FOURCC('H','C','W','2') == i_current_fourcc
1638 && p_mt->majortype == MEDIATYPE_Video )
1640 // output format for 'Hauppauge WinTV PVR PCI II Capture'
1641 // try I420 as an input format
1642 i_current_fourcc = VLC_CODEC_I420;
1643 if( !i_fourcc || i_fourcc == i_current_fourcc )
1645 // return alternative media type
1649 mtr.majortype = MEDIATYPE_Video;
1650 mtr.subtype = MEDIASUBTYPE_I420;
1651 mtr.bFixedSizeSamples = TRUE;
1652 mtr.bTemporalCompression = FALSE;
1654 mtr.formattype = FORMAT_VideoInfo;
1655 mtr.cbFormat = sizeof(vh);
1656 mtr.pbFormat = (BYTE *)&vh;
1658 memset(&vh, 0, sizeof(vh));
1660 vh.bmiHeader.biSize = sizeof(vh.bmiHeader);
1661 vh.bmiHeader.biWidth = i_width > 0 ? i_width :
1662 ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1663 vh.bmiHeader.biHeight = i_height > 0 ? i_height :
1664 ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1665 vh.bmiHeader.biPlanes = 3;
1666 vh.bmiHeader.biBitCount = 12;
1667 vh.bmiHeader.biCompression = VLC_CODEC_I420;
1668 vh.bmiHeader.biSizeImage = vh.bmiHeader.biWidth * 12 *
1669 vh.bmiHeader.biHeight / 8;
1670 mtr.lSampleSize = vh.bmiHeader.biSizeImage;
1672 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: using 'I420' in place of unsupported format 'HCW2'");
1674 if( SUCCEEDED(CopyMediaType(mt+mt_count, &mtr)) )
1678 FreeMediaType( *p_mt );
1682 p_enummt->Release();
1683 p_output_pin->Release();
1686 p_enumpins->Release();
1690 /*****************************************************************************
1691 * ReadCompressed: reads compressed (MPEG/DV) data from the device.
1692 *****************************************************************************
1693 * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
1695 *****************************************************************************/
1696 static block_t *ReadCompressed( access_t *p_access )
1698 access_sys_t *p_sys = p_access->p_sys;
1699 dshow_stream_t *p_stream = NULL;
1700 VLCMediaSample sample;
1702 /* Read 1 DV/MPEG frame (they contain the video and audio data) */
1704 /* There must be only 1 elementary stream to produce a valid stream
1705 * of MPEG or DV data */
1706 p_stream = p_sys->pp_streams[0];
1710 if( !vlc_object_alive (p_access) || p_access->b_error ) return 0;
1712 /* Get new sample/frame from the elementary stream (blocking). */
1713 vlc_mutex_lock( &p_sys->lock );
1715 if( p_stream->p_capture_filter->CustomGetPin()
1716 ->CustomGetSample( &sample ) != S_OK )
1718 /* No data available. Wait until some data has arrived */
1719 vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1720 vlc_mutex_unlock( &p_sys->lock );
1724 vlc_mutex_unlock( &p_sys->lock );
1731 int i_data_size = sample.p_sample->GetActualDataLength();
1733 if( !i_data_size || !(p_block = block_New( p_access, i_data_size )) )
1735 sample.p_sample->Release();
1739 sample.p_sample->GetPointer( &p_data );
1740 vlc_memcpy( p_block->p_buffer, p_data, i_data_size );
1741 sample.p_sample->Release();
1743 /* The caller got what he wanted */
1747 return NULL; /* never reached */
1750 /****************************************************************************
1752 ****************************************************************************/
1753 static int Demux( demux_t *p_demux )
1755 access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
1757 int i_found_samples;
1759 i_found_samples = 0;
1760 vlc_mutex_lock( &p_sys->lock );
1762 while ( !i_found_samples )
1764 /* Try to grab samples from all streams */
1765 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1767 dshow_stream_t *p_stream = p_sys->pp_streams[i_stream];
1768 if( p_stream->p_capture_filter &&
1769 p_stream->p_capture_filter->CustomGetPin()
1770 ->CustomGetSamples( p_stream->samples_queue ) == S_OK )
1772 i_found_samples = 1;
1776 if ( !i_found_samples)
1778 /* Didn't find any audio nor video sample, just wait till the
1779 * dshow thread pushes some samples */
1780 vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1781 /* Some DShow thread pushed data, or the OS broke the wait all
1782 * by itself. In all cases, it's *strongly* advised to test the
1783 * condition again, so let the loop do the test again */
1787 vlc_mutex_unlock( &p_sys->lock );
1789 for ( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1792 dshow_stream_t *p_stream = p_sys->pp_streams[i_stream];
1794 i_samples = p_stream->samples_queue.size();
1795 while ( i_samples > 0 )
1800 VLCMediaSample sample;
1802 sample = p_stream->samples_queue.front();
1803 p_stream->samples_queue.pop_front();
1805 i_data_size = sample.p_sample->GetActualDataLength();
1806 sample.p_sample->GetPointer( &p_data );
1808 REFERENCE_TIME i_pts, i_end_date;
1809 HRESULT hr = sample.p_sample->GetTime( &i_pts, &i_end_date );
1810 if( hr != VFW_S_NO_STOP_TIME && hr != S_OK ) i_pts = 0;
1814 if( p_stream->mt.majortype == MEDIATYPE_Video || !p_stream->b_pts )
1816 /* Use our data timestamp */
1817 i_pts = sample.i_timestamp;
1818 p_stream->b_pts = true;
1822 i_pts /= 10; /* Dshow works with 100 nano-seconds resolution */
1825 msg_Dbg( p_demux, "Read() stream: %i, size: %i, PTS: %"PRId64,
1826 i_stream, i_data_size, i_pts );
1829 p_block = block_New( p_demux, i_data_size );
1830 vlc_memcpy( p_block->p_buffer, p_data, i_data_size );
1831 p_block->i_pts = p_block->i_dts = i_pts;
1832 sample.p_sample->Release();
1834 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_pts > 0 ? i_pts : 0 );
1835 es_out_Send( p_demux->out, p_stream->p_es, p_block );
1844 /*****************************************************************************
1846 *****************************************************************************/
1847 static int AccessControl( access_t *p_access, int i_query, va_list args )
1856 case ACCESS_CAN_SEEK:
1857 case ACCESS_CAN_FASTSEEK:
1858 case ACCESS_CAN_PAUSE:
1859 case ACCESS_CAN_CONTROL_PACE:
1860 pb_bool = (bool*)va_arg( args, bool* );
1865 case ACCESS_GET_PTS_DELAY:
1866 pi_64 = (int64_t*)va_arg( args, int64_t * );
1867 *pi_64 = (int64_t)var_GetInteger( p_access, "dshow-caching" ) * 1000;
1871 case ACCESS_SET_PAUSE_STATE:
1872 case ACCESS_GET_TITLE_INFO:
1873 case ACCESS_SET_TITLE:
1874 case ACCESS_SET_SEEKPOINT:
1875 case ACCESS_SET_PRIVATE_ID_STATE:
1876 return VLC_EGENERIC;
1879 msg_Warn( p_access, "unimplemented query in control" );
1880 return VLC_EGENERIC;
1886 /****************************************************************************
1888 ****************************************************************************/
1889 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
1896 /* Special for access_demux */
1897 case DEMUX_CAN_PAUSE:
1898 case DEMUX_CAN_SEEK:
1899 case DEMUX_SET_PAUSE_STATE:
1900 case DEMUX_CAN_CONTROL_PACE:
1901 pb = (bool*)va_arg( args, bool * );
1905 case DEMUX_GET_PTS_DELAY:
1906 pi64 = (int64_t*)va_arg( args, int64_t * );
1907 *pi64 = (int64_t)var_GetInteger( p_demux, "dshow-caching" ) * 1000;
1910 case DEMUX_GET_TIME:
1911 pi64 = (int64_t*)va_arg( args, int64_t * );
1915 /* TODO implement others */
1917 return VLC_EGENERIC;
1920 return VLC_EGENERIC;
1923 /*****************************************************************************
1924 * config variable callback
1925 *****************************************************************************/
1926 static int FindDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1927 vlc_value_t newval, vlc_value_t oldval, void * )
1929 module_config_t *p_item;
1930 bool b_audio = false;
1933 p_item = config_FindConfig( p_this, psz_name );
1934 if( !p_item ) return VLC_SUCCESS;
1936 if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = true;
1938 /* Clear-up the current list */
1939 if( p_item->i_list )
1941 /* Keep the 2 first entries */
1942 for( i = 2; i < p_item->i_list; i++ )
1944 free( const_cast<char *>(p_item->ppsz_list[i]) );
1945 free( const_cast<char *>(p_item->ppsz_list_text[i]) );
1947 /* TODO: Remove when no more needed */
1948 p_item->ppsz_list[i] = NULL;
1949 p_item->ppsz_list_text[i] = NULL;
1953 /* Find list of devices */
1954 list<string> list_devices;
1956 /* Initialize OLE/COM */
1959 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1961 /* Uninitialize OLE/COM */
1964 if( !list_devices.size() ) return VLC_SUCCESS;
1967 (char **)realloc( p_item->ppsz_list,
1968 (list_devices.size()+3) * sizeof(char *) );
1969 p_item->ppsz_list_text =
1970 (char **)realloc( p_item->ppsz_list_text,
1971 (list_devices.size()+3) * sizeof(char *) );
1973 list<string>::iterator iter;
1974 for( iter = list_devices.begin(), i = 2; iter != list_devices.end();
1977 p_item->ppsz_list[i] = strdup( iter->c_str() );
1978 p_item->ppsz_list_text[i] = NULL;
1981 p_item->ppsz_list[i] = NULL;
1982 p_item->ppsz_list_text[i] = NULL;
1984 /* Signal change to the interface */
1985 p_item->b_dirty = true;
1990 static int ConfigDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1991 vlc_value_t newval, vlc_value_t oldval, void * )
1993 module_config_t *p_item;
1994 bool b_audio = false;
1995 char *psz_device = NULL;
1996 int i_ret = VLC_SUCCESS;
1998 if( !EMPTY_STR( newval.psz_string ) )
1999 psz_device = strdup( newval.psz_string );
2001 /* Initialize OLE/COM */
2004 p_item = config_FindConfig( p_this, psz_name );
2013 if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = true;
2019 devicename = psz_device ;
2023 /* If no device name was specified, pick the 1st one */
2024 list<string> list_devices;
2026 /* Enumerate devices */
2027 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
2028 if( !list_devices.size() )
2031 return VLC_EGENERIC;
2033 devicename = *list_devices.begin();
2036 IBaseFilter *p_device_filter =
2037 FindCaptureDevice( p_this, &devicename, NULL, b_audio );
2038 if( p_device_filter )
2040 ShowPropertyPage( p_device_filter );
2041 p_device_filter->Release();
2045 msg_Err( p_this, "didn't find device: %s", devicename.c_str() );
2046 i_ret = VLC_EGENERIC;
2049 /* Uninitialize OLE/COM */
2056 /*****************************************************************************
2058 *****************************************************************************/
2060 static void ShowPropertyPage( IUnknown *obj )
2062 ISpecifyPropertyPages *p_spec;
2065 HRESULT hr = obj->QueryInterface( IID_ISpecifyPropertyPages,
2067 if( FAILED(hr) ) return;
2069 if( SUCCEEDED(p_spec->GetPages( &cauuid )) )
2071 if( cauuid.cElems > 0 )
2073 HWND hwnd_desktop = ::GetDesktopWindow();
2075 OleCreatePropertyFrame( hwnd_desktop, 30, 30, NULL, 1, &obj,
2076 cauuid.cElems, cauuid.pElems, 0, 0, NULL );
2078 CoTaskMemFree( cauuid.pElems );
2084 static void ShowDeviceProperties( vlc_object_t *p_this,
2085 ICaptureGraphBuilder2 *p_graph,
2086 IBaseFilter *p_device_filter,
2090 msg_Dbg( p_this, "configuring Device Properties" );
2093 * Video or audio capture filter page
2095 ShowPropertyPage( p_device_filter );
2100 if( p_graph && b_audio )
2102 IAMStreamConfig *p_SC;
2104 msg_Dbg( p_this, "showing WDM Audio Configuration Pages" );
2106 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2107 &MEDIATYPE_Audio, p_device_filter,
2108 IID_IAMStreamConfig, (void **)&p_SC );
2111 ShowPropertyPage(p_SC);
2119 HRESULT hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2120 &MEDIATYPE_Audio, p_device_filter,
2121 IID_IAMTVAudio, (void **)&p_TVA );
2124 ShowPropertyPage(p_TVA);
2132 if( p_graph && !b_audio )
2134 IAMStreamConfig *p_SC;
2136 msg_Dbg( p_this, "showing WDM Video Configuration Pages" );
2138 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2139 &MEDIATYPE_Interleaved, p_device_filter,
2140 IID_IAMStreamConfig, (void **)&p_SC );
2143 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2144 &MEDIATYPE_Video, p_device_filter,
2145 IID_IAMStreamConfig, (void **)&p_SC );
2150 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2151 &MEDIATYPE_Stream, p_device_filter,
2152 IID_IAMStreamConfig, (void **)&p_SC );
2157 ShowPropertyPage(p_SC);
2163 static void ShowTunerProperties( vlc_object_t *p_this,
2164 ICaptureGraphBuilder2 *p_graph,
2165 IBaseFilter *p_device_filter,
2169 msg_Dbg( p_this, "configuring Tuner Properties" );
2171 if( !p_graph || b_audio ) return;
2174 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2175 &MEDIATYPE_Interleaved, p_device_filter,
2176 IID_IAMTVTuner, (void **)&p_TV );
2179 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2180 &MEDIATYPE_Video, p_device_filter,
2181 IID_IAMTVTuner, (void **)&p_TV );
2186 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2187 &MEDIATYPE_Stream, p_device_filter,
2188 IID_IAMTVTuner, (void **)&p_TV );
2193 ShowPropertyPage(p_TV);
2198 static void ConfigTuner( vlc_object_t *p_this, ICaptureGraphBuilder2 *p_graph,
2199 IBaseFilter *p_device_filter )
2201 int i_channel, i_country, i_input, i_amtuner_mode;
2206 if( !p_graph ) return;
2208 i_channel = var_GetInteger( p_this, "dshow-tuner-channel" );
2209 i_country = var_GetInteger( p_this, "dshow-tuner-country" );
2210 i_input = var_GetInteger( p_this, "dshow-tuner-input" );
2211 i_amtuner_mode = var_GetInteger( p_this, "dshow-amtuner-mode" );
2213 if( !i_channel && !i_country && !i_input ) return; /* Nothing to do */
2215 msg_Dbg( p_this, "tuner config: channel %i, country %i, input type %i",
2216 i_channel, i_country, i_input );
2218 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Interleaved,
2219 p_device_filter, IID_IAMTVTuner,
2223 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video,
2224 p_device_filter, IID_IAMTVTuner,
2230 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Stream,
2231 p_device_filter, IID_IAMTVTuner,
2237 msg_Dbg( p_this, "couldn't find tuner interface" );
2241 hr = p_TV->GetAvailableModes( &l_modes );
2242 if( SUCCEEDED(hr) && (l_modes & i_amtuner_mode) )
2244 hr = p_TV->put_Mode( (AMTunerModeType)i_amtuner_mode );
2247 if( i_input == 1 ) p_TV->put_InputType( 0, TunerInputCable );
2248 else if( i_input == 2 ) p_TV->put_InputType( 0, TunerInputAntenna );
2250 p_TV->put_CountryCode( i_country );
2251 p_TV->put_Channel( i_channel, AMTUNER_SUBCHAN_NO_TUNE,
2252 AMTUNER_SUBCHAN_NO_TUNE );