1 /*****************************************************************************
2 * dshow.cpp : DirectShow access module for vlc
3 *****************************************************************************
4 * Copyright (C) 2002, 2003 the VideoLAN team
7 * Author: Gildas Bazin <gbazin@videolan.org>
8 * Damien Fouilleul <damienf@videolan.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
33 #define __STDC_FORMAT_MACROS 1
36 #include <vlc_common.h>
37 #include <vlc_plugin.h>
38 #include <vlc_input.h>
39 #include <vlc_access.h>
40 #include <vlc_demux.h>
42 #include <vlc_interface.h>
47 /*****************************************************************************
48 * Access: local prototypes
49 *****************************************************************************/
50 static block_t *ReadCompressed( access_t * );
51 static int AccessControl ( access_t *, int, va_list );
53 static int Demux ( demux_t * );
54 static int DemuxControl( demux_t *, int, va_list );
56 static int OpenDevice( vlc_object_t *, access_sys_t *, string, bool );
57 static IBaseFilter *FindCaptureDevice( vlc_object_t *, string *,
58 list<string> *, bool );
59 static size_t EnumDeviceCaps( vlc_object_t *, IBaseFilter *,
60 int, int, int, int, int, int,
61 AM_MEDIA_TYPE *mt, size_t );
62 static bool ConnectFilters( vlc_object_t *, access_sys_t *,
63 IBaseFilter *, CaptureFilter * );
64 static int FindDevicesCallback( vlc_object_t *, char const *,
65 vlc_value_t, vlc_value_t, void * );
66 static int ConfigDevicesCallback( vlc_object_t *, char const *,
67 vlc_value_t, vlc_value_t, void * );
69 static void ShowPropertyPage( IUnknown * );
70 static void ShowDeviceProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
71 IBaseFilter *, bool );
72 static void ShowTunerProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
73 IBaseFilter *, bool );
74 static void ConfigTuner( vlc_object_t *, ICaptureGraphBuilder2 *,
77 /*****************************************************************************
79 *****************************************************************************/
80 static const char *const ppsz_vdev[] = { "", "none" };
81 static const char *const ppsz_vdev_text[] = { N_("Default"), N_("None") };
82 static const char *const ppsz_adev[] = { "", "none" };
83 static const char *const ppsz_adev_text[] = { N_("Default"), N_("None") };
84 static const int pi_tuner_input[] = { 0, 1, 2 };
85 static const char *const ppsz_tuner_input_text[] =
86 {N_("Default"), N_("Cable"), N_("Antenna")};
87 static const int pi_amtuner_mode[] = { AMTUNER_MODE_DEFAULT,
89 AMTUNER_MODE_FM_RADIO,
90 AMTUNER_MODE_AM_RADIO,
92 static const char *const ppsz_amtuner_mode_text[] = { N_("Default"),
98 #define CACHING_TEXT N_("Caching value in ms")
99 #define CACHING_LONGTEXT N_( \
100 "Caching value for DirectShow streams. " \
101 "This value should be set in millisecondss." )
102 #define VDEV_TEXT N_("Video device name")
103 #define VDEV_LONGTEXT N_( \
104 "Name of the video device that will be used by the " \
105 "DirectShow plugin. If you don't specify anything, the default device " \
107 #define ADEV_TEXT N_("Audio device name")
108 #define ADEV_LONGTEXT N_( \
109 "Name of the audio device that will be used by the " \
110 "DirectShow plugin. If you don't specify anything, the default device " \
112 #define SIZE_TEXT N_("Video size")
113 #define SIZE_LONGTEXT N_( \
114 "Size of the video that will be displayed by the " \
115 "DirectShow plugin. If you don't specify anything the default size for " \
116 "your device will be used. You can specify a standard size (cif, d1, ...) or <width>x<height>.")
117 #define CHROMA_TEXT N_("Video input chroma format")
118 #define CHROMA_LONGTEXT N_( \
119 "Force the DirectShow video input to use a specific chroma format " \
120 "(eg. I420 (default), RV24, etc.)")
121 #define FPS_TEXT N_("Video input frame rate")
122 #define FPS_LONGTEXT N_( \
123 "Force the DirectShow video input to use a specific frame rate" \
124 "(eg. 0 means default, 25, 29.97, 50, 59.94, etc.)")
125 #define CONFIG_TEXT N_("Device properties")
126 #define CONFIG_LONGTEXT N_( \
127 "Show the properties dialog of the selected device before starting the " \
129 #define TUNER_TEXT N_("Tuner properties")
130 #define TUNER_LONGTEXT N_( \
131 "Show the tuner properties [channel selection] page." )
132 #define CHANNEL_TEXT N_("Tuner TV Channel")
133 #define CHANNEL_LONGTEXT N_( \
134 "Set the TV channel the tuner will set to " \
135 "(0 means default)." )
136 #define COUNTRY_TEXT N_("Tuner country code")
137 #define COUNTRY_LONGTEXT N_( \
138 "Set the tuner country code that establishes the current " \
139 "channel-to-frequency mapping (0 means default)." )
140 #define TUNER_INPUT_TEXT N_("Tuner input type")
141 #define TUNER_INPUT_LONGTEXT N_( \
142 "Select the tuner input type (Cable/Antenna)." )
143 #define VIDEO_IN_TEXT N_("Video input pin")
144 #define VIDEO_IN_LONGTEXT N_( \
145 "Select the video input source, such as composite, s-video, " \
146 "or tuner. Since these settings are hardware-specific, you should find good " \
147 "settings in the \"Device config\" area, and use those numbers here. -1 " \
148 "means that settings will not be changed.")
149 #define AUDIO_IN_TEXT N_("Audio input pin")
150 #define AUDIO_IN_LONGTEXT N_( \
151 "Select the audio input source. See the \"video input\" option." )
152 #define VIDEO_OUT_TEXT N_("Video output pin")
153 #define VIDEO_OUT_LONGTEXT N_( \
154 "Select the video output type. See the \"video input\" option." )
155 #define AUDIO_OUT_TEXT N_("Audio output pin")
156 #define AUDIO_OUT_LONGTEXT N_( \
157 "Select the audio output type. See the \"video input\" option." )
159 #define AMTUNER_MODE_TEXT N_("AM Tuner mode")
160 #define AMTUNER_MODE_LONGTEXT N_( \
161 "AM Tuner mode. Can be one of DEFAULT, TV, AM_RADIO, FM_RADIO or DSS.")
163 #define AUDIO_CHANNELS_TEXT N_("Number of audio channels")
164 #define AUDIO_CHANNELS_LONGTEXT N_( \
165 "Select audio input format with the given number of audio channels (if non 0)" )
167 #define AUDIO_SAMPLERATE_TEXT N_("Audio sample rate")
168 #define AUDIO_SAMPLERATE_LONGTEXT N_( \
169 "Select audio input format with the given sample rate (if non 0)" )
171 #define AUDIO_BITSPERSAMPLE_TEXT N_("Audio bits per sample")
172 #define AUDIO_BITSPERSAMPLE_LONGTEXT N_( \
173 "Select audio input format with the given bits/sample (if non 0)" )
175 static int CommonOpen ( vlc_object_t *, access_sys_t *, bool );
176 static void CommonClose( vlc_object_t *, access_sys_t * );
178 static int AccessOpen ( vlc_object_t * );
179 static void AccessClose( vlc_object_t * );
181 static int DemuxOpen ( vlc_object_t * );
182 static void DemuxClose ( vlc_object_t * );
185 set_shortname( N_("DirectShow") );
186 set_description( N_("DirectShow input") );
187 set_category( CAT_INPUT );
188 set_subcategory( SUBCAT_INPUT_ACCESS );
189 add_integer( "dshow-caching", (mtime_t)(0.2*CLOCK_FREQ) / 1000, NULL,
190 CACHING_TEXT, CACHING_LONGTEXT, true );
192 add_string( "dshow-vdev", NULL, NULL, VDEV_TEXT, VDEV_LONGTEXT, false);
193 change_string_list( ppsz_vdev, ppsz_vdev_text, FindDevicesCallback );
194 change_action_add( FindDevicesCallback, N_("Refresh list") );
195 change_action_add( ConfigDevicesCallback, N_("Configure") );
197 add_string( "dshow-adev", NULL, NULL, ADEV_TEXT, ADEV_LONGTEXT, false);
198 change_string_list( ppsz_adev, ppsz_adev_text, FindDevicesCallback );
199 change_action_add( FindDevicesCallback, N_("Refresh list") );
200 change_action_add( ConfigDevicesCallback, N_("Configure") );
202 add_string( "dshow-size", NULL, NULL, SIZE_TEXT, SIZE_LONGTEXT, false);
204 add_string( "dshow-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT,
207 add_float( "dshow-fps", 0.0f, NULL, FPS_TEXT, FPS_LONGTEXT,
210 add_bool( "dshow-config", false, NULL, CONFIG_TEXT, CONFIG_LONGTEXT,
213 add_bool( "dshow-tuner", false, NULL, TUNER_TEXT, TUNER_LONGTEXT,
216 add_integer( "dshow-tuner-channel", 0, NULL, CHANNEL_TEXT,
217 CHANNEL_LONGTEXT, true );
219 add_integer( "dshow-tuner-country", 0, NULL, COUNTRY_TEXT,
220 COUNTRY_LONGTEXT, true );
222 add_integer( "dshow-tuner-input", 0, NULL, TUNER_INPUT_TEXT,
223 TUNER_INPUT_LONGTEXT, true );
224 change_integer_list( pi_tuner_input, ppsz_tuner_input_text, 0 );
226 add_integer( "dshow-video-input", -1, NULL, VIDEO_IN_TEXT,
227 VIDEO_IN_LONGTEXT, true );
229 add_integer( "dshow-audio-input", -1, NULL, AUDIO_IN_TEXT,
230 AUDIO_IN_LONGTEXT, true );
232 add_integer( "dshow-video-output", -1, NULL, VIDEO_OUT_TEXT,
233 VIDEO_OUT_LONGTEXT, true );
235 add_integer( "dshow-audio-output", -1, NULL, AUDIO_OUT_TEXT,
236 AUDIO_OUT_LONGTEXT, true );
238 add_integer( "dshow-amtuner-mode", AMTUNER_MODE_TV, NULL,
239 AMTUNER_MODE_TEXT, AMTUNER_MODE_LONGTEXT, false);
240 change_integer_list( pi_amtuner_mode, ppsz_amtuner_mode_text, 0 );
242 add_integer( "dshow-audio-channels", 0, NULL, AUDIO_CHANNELS_TEXT,
243 AUDIO_CHANNELS_LONGTEXT, true );
244 add_integer( "dshow-audio-samplerate", 0, NULL, AUDIO_SAMPLERATE_TEXT,
245 AUDIO_SAMPLERATE_LONGTEXT, true );
246 add_integer( "dshow-audio-bitspersample", 0, NULL, AUDIO_BITSPERSAMPLE_TEXT,
247 AUDIO_BITSPERSAMPLE_LONGTEXT, true );
249 add_shortcut( "dshow" );
250 set_capability( "access_demux", 0 );
251 set_callbacks( DemuxOpen, DemuxClose );
254 set_description( N_("DirectShow input") );
255 set_capability( "access", 0 );
256 set_callbacks( AccessOpen, AccessClose );
260 /*****************************************************************************
261 * DirectShow elementary stream descriptor
262 *****************************************************************************/
263 typedef struct dshow_stream_t
266 IBaseFilter *p_device_filter;
267 CaptureFilter *p_capture_filter;
272 VIDEOINFOHEADER video;
283 /*****************************************************************************
284 * DirectShow utility functions
285 *****************************************************************************/
286 static void CreateDirectShowGraph( access_sys_t *p_sys )
288 p_sys->i_crossbar_route_depth = 0;
290 /* Create directshow filter graph */
291 if( SUCCEEDED( CoCreateInstance( CLSID_FilterGraph, 0, CLSCTX_INPROC,
292 (REFIID)IID_IFilterGraph, (void **)&p_sys->p_graph) ) )
294 /* Create directshow capture graph builder if available */
295 if( SUCCEEDED( CoCreateInstance( CLSID_CaptureGraphBuilder2, 0,
296 CLSCTX_INPROC, (REFIID)IID_ICaptureGraphBuilder2,
297 (void **)&p_sys->p_capture_graph_builder2 ) ) )
299 p_sys->p_capture_graph_builder2->
300 SetFiltergraph((IGraphBuilder *)p_sys->p_graph);
303 p_sys->p_graph->QueryInterface( IID_IMediaControl,
304 (void **)&p_sys->p_control );
308 static void DeleteDirectShowGraph( access_sys_t *p_sys )
310 DeleteCrossbarRoutes( p_sys );
312 /* Remove filters from graph */
313 for( int i = 0; i < p_sys->i_streams; i++ )
315 p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_capture_filter );
316 p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_device_filter );
317 p_sys->pp_streams[i]->p_capture_filter->Release();
318 p_sys->pp_streams[i]->p_device_filter->Release();
321 /* Release directshow objects */
322 if( p_sys->p_control )
324 p_sys->p_control->Release();
325 p_sys->p_control = NULL;
327 if( p_sys->p_capture_graph_builder2 )
329 p_sys->p_capture_graph_builder2->Release();
330 p_sys->p_capture_graph_builder2 = NULL;
335 p_sys->p_graph->Release();
336 p_sys->p_graph = NULL;
340 /*****************************************************************************
341 * CommonOpen: open direct show device
342 *****************************************************************************/
343 static int CommonOpen( vlc_object_t *p_this, access_sys_t *p_sys,
344 bool b_access_demux )
349 /* Get/parse options and open device(s) */
350 string vdevname, adevname;
351 int i_width = 0, i_height = 0, i_chroma = 0;
354 var_Create( p_this, "dshow-config", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
355 var_Create( p_this, "dshow-tuner", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
356 var_Create( p_this, "dshow-vdev", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
357 var_Get( p_this, "dshow-vdev", &val );
358 if( val.psz_string ) vdevname = string( val.psz_string );
359 free( val.psz_string );
361 var_Create( p_this, "dshow-adev", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
362 var_Get( p_this, "dshow-adev", &val );
363 if( val.psz_string ) adevname = string( val.psz_string );
364 free( val.psz_string );
366 static struct {char *psz_size; int i_width; int i_height;} size_table[] =
367 { { "subqcif", 128, 96 }, { "qsif", 160, 120 }, { "qcif", 176, 144 },
368 { "sif", 320, 240 }, { "cif", 352, 288 }, { "d1", 640, 480 },
372 var_Create( p_this, "dshow-size", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
373 var_Get( p_this, "dshow-size", &val );
374 if( val.psz_string && *val.psz_string )
376 for( i = 0; size_table[i].psz_size; i++ )
378 if( !strcmp( val.psz_string, size_table[i].psz_size ) )
380 i_width = size_table[i].i_width;
381 i_height = size_table[i].i_height;
385 if( !size_table[i].psz_size ) /* Try to parse "WidthxHeight" */
388 i_width = strtol( val.psz_string, &psz_parser, 0 );
389 if( *psz_parser == 'x' || *psz_parser == 'X')
391 i_height = strtol( psz_parser + 1, &psz_parser, 0 );
393 msg_Dbg( p_this, "width x height %dx%d", i_width, i_height );
396 free( val.psz_string );
398 p_sys->b_chroma = false;
399 var_Create( p_this, "dshow-chroma", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
400 var_Get( p_this, "dshow-chroma", &val );
401 if( val.psz_string && strlen( val.psz_string ) >= 4 )
403 i_chroma = VLC_FOURCC( val.psz_string[0], val.psz_string[1],
404 val.psz_string[2], val.psz_string[3] );
405 p_sys->b_chroma = true;
407 free( val.psz_string );
409 var_Create( p_this, "dshow-fps", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
410 var_Create( p_this, "dshow-tuner-channel",
411 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
412 var_Create( p_this, "dshow-tuner-country",
413 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
414 var_Create( p_this, "dshow-tuner-input",
415 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
417 var_Create( p_this, "dshow-amtuner-mode",
418 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
420 var_Create( p_this, "dshow-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
422 var_Create( p_this, "dshow-video-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
423 var_Create( p_this, "dshow-audio-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
424 var_Create( p_this, "dshow-video-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
425 var_Create( p_this, "dshow-audio-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
427 /* Initialize OLE/COM */
430 /* Initialize some data */
431 p_sys->i_streams = 0;
432 p_sys->pp_streams = 0;
433 p_sys->i_width = i_width;
434 p_sys->i_height = i_height;
435 p_sys->i_chroma = i_chroma;
437 p_sys->p_graph = NULL;
438 p_sys->p_capture_graph_builder2 = NULL;
439 p_sys->p_control = NULL;
441 vlc_mutex_init( &p_sys->lock );
442 vlc_cond_init( p_this, &p_sys->wait );
444 /* Build directshow graph */
445 CreateDirectShowGraph( p_sys );
447 if( OpenDevice( p_this, p_sys, vdevname, 0 ) != VLC_SUCCESS )
449 msg_Err( p_this, "can't open video");
453 /* Check if we can handle the demuxing ourselves or need to spawn
454 * a demuxer module */
455 dshow_stream_t *p_stream = p_sys->pp_streams[p_sys->i_streams-1];
457 if( p_stream->mt.majortype == MEDIATYPE_Video )
459 if( /* Raw DV stream */
460 p_stream->i_fourcc == VLC_FOURCC('d','v','s','l') ||
461 p_stream->i_fourcc == VLC_FOURCC('d','v','s','d') ||
462 p_stream->i_fourcc == VLC_FOURCC('d','v','h','d') ||
463 /* Raw MPEG video stream */
464 p_stream->i_fourcc == VLC_FOURCC('m','p','2','v') )
470 /* Let the access (only) take care of that */
476 if( p_stream->mt.majortype == MEDIATYPE_Stream )
482 /* Let the access (only) take care of that */
486 var_Get( p_this, "dshow-tuner", &val );
489 /* FIXME: we do MEDIATYPE_Stream here so we don't do
491 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
492 p_stream->p_device_filter, 0 );
497 if( b_audio && OpenDevice( p_this, p_sys, adevname, 1 ) != VLC_SUCCESS )
499 msg_Err( p_this, "can't open audio");
502 for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
504 var_Get( p_this, "dshow-video-input", &val );
506 p_sys->crossbar_routes[i].VideoInputIndex=val.i_int;
507 var_Get( p_this, "dshow-video-output", &val );
509 p_sys->crossbar_routes[i].VideoOutputIndex=val.i_int;
510 var_Get( p_this, "dshow-audio-input", &val );
512 p_sys->crossbar_routes[i].AudioInputIndex=val.i_int;
513 var_Get( p_this, "dshow-audio-output", &val );
515 p_sys->crossbar_routes[i].AudioOutputIndex=val.i_int;
517 IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
518 LONG VideoInputIndex = p_sys->crossbar_routes[i].VideoInputIndex;
519 LONG VideoOutputIndex = p_sys->crossbar_routes[i].VideoOutputIndex;
520 LONG AudioInputIndex = p_sys->crossbar_routes[i].AudioInputIndex;
521 LONG AudioOutputIndex = p_sys->crossbar_routes[i].AudioOutputIndex;
523 if( SUCCEEDED(pXbar->Route(VideoOutputIndex, VideoInputIndex)) )
525 msg_Dbg( p_this, "crossbar at depth %d, routed video "
526 "output %ld to video input %ld", i, VideoOutputIndex,
529 if( AudioOutputIndex != -1 && AudioInputIndex != -1 )
531 if( SUCCEEDED( pXbar->Route(AudioOutputIndex,
534 msg_Dbg(p_this, "crossbar at depth %d, routed audio "
535 "output %ld to audio input %ld", i,
536 AudioOutputIndex, AudioInputIndex );
543 ** Show properties pages from other filters in graph
545 var_Get( p_this, "dshow-config", &val );
548 for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
550 IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
553 if( SUCCEEDED( pXbar->QueryInterface( IID_IBaseFilter,
556 ShowPropertyPage( p_XF );
562 /* Initialize some data */
563 p_sys->i_current_stream = 0;
565 if( !p_sys->i_streams ) return VLC_EGENERIC;
570 /*****************************************************************************
571 * DemuxOpen: open direct show device as an access_demux module
572 *****************************************************************************/
573 static int DemuxOpen( vlc_object_t *p_this )
575 demux_t *p_demux = (demux_t *)p_this;
579 p_sys = (access_sys_t *)malloc( sizeof( access_sys_t ) );
580 memset( p_sys, 0, sizeof( access_sys_t ) );
581 p_demux->p_sys = (demux_sys_t *)p_sys;
583 if( CommonOpen( p_this, p_sys, true ) != VLC_SUCCESS )
585 CommonClose( p_this, p_sys );
589 /* Everything is ready. Let's rock baby */
590 msg_Dbg( p_this, "Playing...");
591 p_sys->p_control->Run();
593 p_demux->pf_demux = Demux;
594 p_demux->pf_control = DemuxControl;
595 p_demux->info.i_update = 0;
596 p_demux->info.i_title = 0;
597 p_demux->info.i_seekpoint = 0;
599 for( i = 0; i < p_sys->i_streams; i++ )
601 dshow_stream_t *p_stream = p_sys->pp_streams[i];
604 if( p_stream->mt.majortype == MEDIATYPE_Video )
606 es_format_Init( &fmt, VIDEO_ES, p_stream->i_fourcc );
608 fmt.video.i_width = p_stream->header.video.bmiHeader.biWidth;
609 fmt.video.i_height = p_stream->header.video.bmiHeader.biHeight;
610 fmt.video.i_aspect = 4 * VOUT_ASPECT_FACTOR / 3;
612 if( !p_stream->header.video.bmiHeader.biCompression )
614 /* RGB DIB are coded from bottom to top */
615 fmt.video.i_height = (unsigned int)(-(int)fmt.video.i_height);
618 /* Setup rgb mask for RGB formats */
619 if( p_stream->i_fourcc == VLC_FOURCC('R','V','2','4') )
621 /* This is in BGR format */
622 fmt.video.i_bmask = 0x00ff0000;
623 fmt.video.i_gmask = 0x0000ff00;
624 fmt.video.i_rmask = 0x000000ff;
627 if( p_stream->header.video.AvgTimePerFrame )
629 fmt.video.i_frame_rate = 10000000;
630 fmt.video.i_frame_rate_base =
631 p_stream->header.video.AvgTimePerFrame;
634 else if( p_stream->mt.majortype == MEDIATYPE_Audio )
636 es_format_Init( &fmt, AUDIO_ES, p_stream->i_fourcc );
638 fmt.audio.i_channels = p_stream->header.audio.nChannels;
639 fmt.audio.i_rate = p_stream->header.audio.nSamplesPerSec;
640 fmt.audio.i_bitspersample = p_stream->header.audio.wBitsPerSample;
641 fmt.audio.i_blockalign = fmt.audio.i_channels *
642 fmt.audio.i_bitspersample / 8;
643 fmt.i_bitrate = fmt.audio.i_channels * fmt.audio.i_rate *
644 fmt.audio.i_bitspersample;
647 p_stream->p_es = es_out_Add( p_demux->out, &fmt );
653 /*****************************************************************************
654 * AccessOpen: open direct show device as an access module
655 *****************************************************************************/
656 static int AccessOpen( vlc_object_t *p_this )
658 access_t *p_access = (access_t*)p_this;
661 p_access->p_sys = p_sys = (access_sys_t *)malloc( sizeof( access_sys_t ) );
662 memset( p_sys, 0, sizeof( access_sys_t ) );
664 if( CommonOpen( p_this, p_sys, false ) != VLC_SUCCESS )
666 CommonClose( p_this, p_sys );
670 dshow_stream_t *p_stream = p_sys->pp_streams[0];
672 /* Check if we need to force demuxers */
673 if( !p_access->psz_demux || !*p_access->psz_demux )
675 if( p_stream->i_fourcc == VLC_FOURCC('d','v','s','l') ||
676 p_stream->i_fourcc == VLC_FOURCC('d','v','s','d') ||
677 p_stream->i_fourcc == VLC_FOURCC('d','v','h','d') )
679 free( p_access->psz_demux );
680 p_access->psz_demux = strdup( "rawdv" );
682 else if( p_stream->i_fourcc == VLC_FOURCC('m','p','2','v') )
684 free( p_access->psz_demux );
685 p_access->psz_demux = strdup( "mpgv" );
690 p_access->pf_read = NULL;
691 p_access->pf_block = ReadCompressed;
692 p_access->pf_control = AccessControl;
693 p_access->pf_seek = NULL;
694 p_access->info.i_update = 0;
695 p_access->info.i_size = 0;
696 p_access->info.i_pos = 0;
697 p_access->info.b_eof = false;
698 p_access->info.i_title = 0;
699 p_access->info.i_seekpoint = 0;
700 p_access->p_sys = p_sys;
702 /* Everything is ready. Let's rock baby */
703 msg_Dbg( p_this, "Playing...");
704 p_sys->p_control->Run();
709 /*****************************************************************************
710 * CommonClose: close device
711 *****************************************************************************/
712 static void CommonClose( vlc_object_t *p_this, access_sys_t *p_sys )
714 msg_Dbg( p_this, "releasing DirectShow");
716 DeleteDirectShowGraph( p_sys );
718 /* Uninitialize OLE/COM */
721 for( int i = 0; i < p_sys->i_streams; i++ ) delete p_sys->pp_streams[i];
722 if( p_sys->i_streams ) free( p_sys->pp_streams );
724 vlc_mutex_destroy( &p_sys->lock );
725 vlc_cond_destroy( &p_sys->wait );
730 /*****************************************************************************
731 * AccessClose: close device
732 *****************************************************************************/
733 static void AccessClose( vlc_object_t *p_this )
735 access_t *p_access = (access_t *)p_this;
736 access_sys_t *p_sys = p_access->p_sys;
738 /* Stop capturing stuff */
739 p_sys->p_control->Stop();
741 CommonClose( p_this, p_sys );
744 /*****************************************************************************
745 * DemuxClose: close device
746 *****************************************************************************/
747 static void DemuxClose( vlc_object_t *p_this )
749 demux_t *p_demux = (demux_t *)p_this;
750 access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
752 /* Stop capturing stuff */
753 p_sys->p_control->Stop();
755 CommonClose( p_this, p_sys );
758 /****************************************************************************
760 ****************************************************************************/
761 static bool ConnectFilters( vlc_object_t *p_this, access_sys_t *p_sys,
762 IBaseFilter *p_filter,
763 CaptureFilter *p_capture_filter )
765 CapturePin *p_input_pin = p_capture_filter->CustomGetPin();
767 AM_MEDIA_TYPE mediaType = p_input_pin->CustomGetMediaType();
769 if( p_sys->p_capture_graph_builder2 )
771 if( FAILED(p_sys->p_capture_graph_builder2->
772 RenderStream( &PIN_CATEGORY_CAPTURE, &mediaType.majortype,
773 p_filter, 0, (IBaseFilter *)p_capture_filter )) )
778 // Sort out all the possible video inputs
779 // The class needs to be given the capture filters ANALOGVIDEO input pin
781 if( ( mediaType.majortype == MEDIATYPE_Video ||
782 mediaType.majortype == MEDIATYPE_Stream ) &&
783 SUCCEEDED(p_filter->EnumPins(&pins)) )
789 IKsPropertySet *pKs=0;
793 while( !Found && ( S_OK == pins->Next(1, &pP, &n) ) )
795 if( S_OK == pP->QueryPinInfo(&pinInfo) )
797 // is this pin an ANALOGVIDEOIN input pin?
798 if( pinInfo.dir == PINDIR_INPUT &&
799 pP->QueryInterface( IID_IKsPropertySet,
800 (void **)&pKs ) == S_OK )
802 if( pKs->Get( AMPROPSETID_Pin,
803 AMPROPERTY_PIN_CATEGORY, NULL, 0,
804 &guid, sizeof(GUID), &dw ) == S_OK )
806 if( guid == PIN_CATEGORY_ANALOGVIDEOIN )
808 // recursively search crossbar routes
809 FindCrossbarRoutes( p_this, p_sys, pP, 0 );
816 pinInfo.pFilter->Release();
826 IEnumPins *p_enumpins;
829 if( S_OK != p_filter->EnumPins( &p_enumpins ) ) return false;
831 while( S_OK == p_enumpins->Next( 1, &p_pin, NULL ) )
833 PIN_DIRECTION pin_dir;
834 p_pin->QueryDirection( &pin_dir );
836 if( pin_dir == PINDIR_OUTPUT &&
837 p_sys->p_graph->ConnectDirect( p_pin, (IPin *)p_input_pin,
841 p_enumpins->Release();
847 p_enumpins->Release();
853 * get fourcc priority from arbritary preference, the higher the better
855 static int GetFourCCPriority( int i_fourcc )
859 case VLC_FOURCC('I','4','2','0'):
860 case VLC_FOURCC('f','l','3','2'):
862 case VLC_FOURCC('Y','V','1','2'):
863 case VLC_FOURCC('a','r','a','w'):
865 case VLC_FOURCC('R','V','2','4'):
867 case VLC_FOURCC('Y','U','Y','2'):
868 case VLC_FOURCC('R','V','3','2'):
869 case VLC_FOURCC('R','G','B','A'):
876 #define MAX_MEDIA_TYPES 32
878 static int OpenDevice( vlc_object_t *p_this, access_sys_t *p_sys,
879 string devicename, bool b_audio )
881 /* See if device is already opened */
882 for( int i = 0; i < p_sys->i_streams; i++ )
884 if( devicename.size() &&
885 p_sys->pp_streams[i]->devicename == devicename )
892 list<string> list_devices;
894 /* Enumerate devices and display their names */
895 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
897 if( !list_devices.size() )
900 list<string>::iterator iter;
901 for( iter = list_devices.begin(); iter != list_devices.end(); iter++ )
902 msg_Dbg( p_this, "found device: %s", iter->c_str() );
904 /* If no device name was specified, pick the 1st one */
905 if( devicename.size() == 0 )
907 devicename = *list_devices.begin();
910 // Use the system device enumerator and class enumerator to find
911 // a capture/preview device, such as a desktop USB video camera.
912 IBaseFilter *p_device_filter =
913 FindCaptureDevice( p_this, &devicename, 0, b_audio );
914 if( p_device_filter )
915 msg_Dbg( p_this, "using device: %s", devicename.c_str() );
918 msg_Err( p_this, "can't use device: %s, unsupported device type",
919 devicename.c_str() );
920 intf_UserFatal( p_this, false, _("Capturing failed"),
921 _("VLC cannot use the device \"%s\", because its "
922 "type is not supported.") );
926 // Retreive acceptable media types supported by device
927 AM_MEDIA_TYPE media_types[MAX_MEDIA_TYPES];
929 EnumDeviceCaps( p_this, p_device_filter, b_audio ? 0 : p_sys->i_chroma,
930 p_sys->i_width, p_sys->i_height,
931 b_audio ? var_CreateGetInteger( p_this, "dshow-audio-channels" ) : 0,
932 b_audio ? var_CreateGetInteger( p_this, "dshow-audio-samplerate" ) : 0,
933 b_audio ? var_CreateGetInteger( p_this, "dshow-audio-bitspersample" ) : 0,
934 media_types, MAX_MEDIA_TYPES );
936 AM_MEDIA_TYPE *mt = NULL;
938 if( media_count > 0 )
940 mt = (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE) * media_count);
942 // Order and copy returned media types according to arbitrary
944 for( size_t c = 0; c < media_count; c++ )
947 GetFourCCPriority(GetFourCCFromMediaType(media_types[c]));
948 size_t slot_copy = c;
949 for( size_t d = c+1; d < media_count; d++ )
952 GetFourCCPriority(GetFourCCFromMediaType(media_types[d]));
953 if( priority > slot_priority )
955 slot_priority = priority;
961 mt[c] = media_types[slot_copy];
962 media_types[slot_copy] = media_types[c];
966 mt[c] = media_types[c];
972 msg_Err( p_this, "capture device '%s' does not support required parameters !", devicename.c_str() );
973 intf_UserFatal( p_this, false, _("Capturing failed"),
974 _("The capture device \"%s\" does not support the "
975 "required parameters."), devicename.c_str() );
976 p_device_filter->Release();
980 /* Create and add our capture filter */
981 CaptureFilter *p_capture_filter =
982 new CaptureFilter( p_this, p_sys, mt, media_count );
983 p_sys->p_graph->AddFilter( p_capture_filter, 0 );
985 /* Add the device filter to the graph (seems necessary with VfW before
986 * accessing pin attributes). */
987 p_sys->p_graph->AddFilter( p_device_filter, 0 );
989 /* Attempt to connect one of this device's capture output pins */
990 msg_Dbg( p_this, "connecting filters" );
991 if( ConnectFilters( p_this, p_sys, p_device_filter, p_capture_filter ) )
994 msg_Dbg( p_this, "filters connected successfully !" );
996 dshow_stream_t dshow_stream;
997 dshow_stream.b_pts = false;
998 dshow_stream.p_es = 0;
1000 p_capture_filter->CustomGetPin()->CustomGetMediaType();
1002 /* Show Device properties. Done here so the VLC stream is setup with
1003 * the proper parameters. */
1005 var_Get( p_this, "dshow-config", &val );
1008 ShowDeviceProperties( p_this, p_sys->p_capture_graph_builder2,
1009 p_device_filter, b_audio );
1012 ConfigTuner( p_this, p_sys->p_capture_graph_builder2,
1015 var_Get( p_this, "dshow-tuner", &val );
1016 if( val.b_bool && dshow_stream.mt.majortype != MEDIATYPE_Stream )
1018 /* FIXME: we do MEDIATYPE_Stream later so we don't do it twice. */
1019 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
1020 p_device_filter, b_audio );
1024 p_capture_filter->CustomGetPin()->CustomGetMediaType();
1026 dshow_stream.i_fourcc = GetFourCCFromMediaType( dshow_stream.mt );
1027 if( dshow_stream.i_fourcc )
1029 if( dshow_stream.mt.majortype == MEDIATYPE_Video )
1031 dshow_stream.header.video =
1032 *(VIDEOINFOHEADER *)dshow_stream.mt.pbFormat;
1033 msg_Dbg( p_this, "MEDIATYPE_Video" );
1034 msg_Dbg( p_this, "selected video pin accepts format: %4.4s",
1035 (char *)&dshow_stream.i_fourcc);
1037 else if( dshow_stream.mt.majortype == MEDIATYPE_Audio )
1039 dshow_stream.header.audio =
1040 *(WAVEFORMATEX *)dshow_stream.mt.pbFormat;
1041 msg_Dbg( p_this, "MEDIATYPE_Audio" );
1042 msg_Dbg( p_this, "selected audio pin accepts format: %4.4s",
1043 (char *)&dshow_stream.i_fourcc);
1045 else if( dshow_stream.mt.majortype == MEDIATYPE_Stream )
1047 msg_Dbg( p_this, "MEDIATYPE_Stream" );
1048 msg_Dbg( p_this, "selected stream pin accepts format: %4.4s",
1049 (char *)&dshow_stream.i_fourcc);
1053 msg_Dbg( p_this, "unknown stream majortype" );
1057 /* Add directshow elementary stream to our list */
1058 dshow_stream.p_device_filter = p_device_filter;
1059 dshow_stream.p_capture_filter = p_capture_filter;
1061 p_sys->pp_streams = (dshow_stream_t **)realloc( p_sys->pp_streams,
1062 sizeof(dshow_stream_t *) * (p_sys->i_streams + 1) );
1063 p_sys->pp_streams[p_sys->i_streams] = new dshow_stream_t;
1064 *p_sys->pp_streams[p_sys->i_streams++] = dshow_stream;
1071 /* Remove filters from graph */
1072 p_sys->p_graph->RemoveFilter( p_device_filter );
1073 p_sys->p_graph->RemoveFilter( p_capture_filter );
1075 /* Release objects */
1076 p_device_filter->Release();
1077 p_capture_filter->Release();
1079 return VLC_EGENERIC;
1082 static IBaseFilter *
1083 FindCaptureDevice( vlc_object_t *p_this, string *p_devicename,
1084 list<string> *p_listdevices, bool b_audio )
1086 IBaseFilter *p_base_filter = NULL;
1087 IMoniker *p_moniker = NULL;
1090 list<string> devicelist;
1092 /* Create the system device enumerator */
1093 ICreateDevEnum *p_dev_enum = NULL;
1095 hr = CoCreateInstance( CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
1096 IID_ICreateDevEnum, (void **)&p_dev_enum );
1099 msg_Err( p_this, "failed to create the device enumerator (0x%lx)", hr);
1103 /* Create an enumerator for the video capture devices */
1104 IEnumMoniker *p_class_enum = NULL;
1106 hr = p_dev_enum->CreateClassEnumerator( CLSID_VideoInputDeviceCategory,
1109 hr = p_dev_enum->CreateClassEnumerator( CLSID_AudioInputDeviceCategory,
1111 p_dev_enum->Release();
1114 msg_Err( p_this, "failed to create the class enumerator (0x%lx)", hr );
1118 /* If there are no enumerators for the requested type, then
1119 * CreateClassEnumerator will succeed, but p_class_enum will be NULL */
1120 if( p_class_enum == NULL )
1122 msg_Err( p_this, "no capture device was detected" );
1126 /* Enumerate the devices */
1128 /* Note that if the Next() call succeeds but there are no monikers,
1129 * it will return S_FALSE (which is not a failure). Therefore, we check
1130 * that the return code is S_OK instead of using SUCCEEDED() macro. */
1132 while( p_class_enum->Next( 1, &p_moniker, &i_fetched ) == S_OK )
1134 /* Getting the property page to get the device name */
1135 IPropertyBag *p_bag;
1136 hr = p_moniker->BindToStorage( 0, 0, IID_IPropertyBag,
1142 hr = p_bag->Read( L"FriendlyName", &var, NULL );
1146 int i_convert = WideCharToMultiByte(CP_ACP, 0, var.bstrVal,
1147 SysStringLen(var.bstrVal), NULL, 0, NULL, NULL);
1148 char *p_buf = (char *)alloca( i_convert+1 ); p_buf[0] = 0;
1149 WideCharToMultiByte( CP_ACP, 0, var.bstrVal,
1150 SysStringLen(var.bstrVal), p_buf, i_convert, NULL, NULL );
1151 SysFreeString(var.bstrVal);
1152 p_buf[i_convert] = '\0';
1154 string devname = string(p_buf);
1157 /* find out if this name is already used by a previously found device */
1158 list<string>::const_iterator iter = devicelist.begin();
1159 list<string>::const_iterator end = devicelist.end();
1160 while ( iter != end )
1162 if( 0 == (*iter).compare(0, devname.size(), devname) )
1168 /* we have a duplicate device name, append a sequence number to name
1169 to provive a unique list back to the user */
1171 sprintf(seq, " #%d", dup);
1172 devname.append(seq);
1174 devicelist.push_back( devname );
1176 if( p_devicename && *p_devicename == devname )
1178 /* Bind Moniker to a filter object */
1179 hr = p_moniker->BindToObject( 0, 0, IID_IBaseFilter,
1180 (void **)&p_base_filter );
1183 msg_Err( p_this, "couldn't bind moniker to filter "
1184 "object (0x%lx)", hr );
1185 p_moniker->Release();
1186 p_class_enum->Release();
1189 p_moniker->Release();
1190 p_class_enum->Release();
1191 return p_base_filter;
1196 p_moniker->Release();
1199 p_class_enum->Release();
1201 if( p_listdevices ) {
1203 *p_listdevices = devicelist;
1208 static size_t EnumDeviceCaps( vlc_object_t *p_this, IBaseFilter *p_filter,
1209 int i_fourcc, int i_width, int i_height,
1210 int i_channels, int i_samplespersec,
1211 int i_bitspersample, AM_MEDIA_TYPE *mt,
1214 IEnumPins *p_enumpins;
1216 IEnumMediaTypes *p_enummt;
1217 size_t mt_count = 0;
1219 LONGLONG i_AvgTimePerFrame = 0;
1220 float r_fps = var_GetFloat( p_this, "dshow-fps" );
1222 i_AvgTimePerFrame = 10000000000LL/(LONGLONG)(r_fps*1000.0f);
1224 if( FAILED(p_filter->EnumPins( &p_enumpins )) )
1226 msg_Dbg( p_this, "EnumDeviceCaps failed: no pin enumeration !");
1230 while( S_OK == p_enumpins->Next( 1, &p_output_pin, NULL ) )
1234 if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1236 msg_Dbg( p_this, "EnumDeviceCaps: %s pin: %S",
1237 info.dir == PINDIR_INPUT ? "input" : "output",
1239 if( info.pFilter ) info.pFilter->Release();
1242 p_output_pin->Release();
1245 p_enumpins->Reset();
1247 while( !mt_count && p_enumpins->Next( 1, &p_output_pin, NULL ) == S_OK )
1251 if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1253 if( info.pFilter ) info.pFilter->Release();
1254 if( info.dir == PINDIR_INPUT )
1256 p_output_pin->Release();
1259 msg_Dbg( p_this, "EnumDeviceCaps: trying pin %S", info.achName );
1262 AM_MEDIA_TYPE *p_mt;
1265 ** Configure pin with a default compatible media if possible
1268 IAMStreamConfig *pSC;
1269 if( SUCCEEDED(p_output_pin->QueryInterface( IID_IAMStreamConfig,
1272 int piCount, piSize;
1273 if( SUCCEEDED(pSC->GetNumberOfCapabilities(&piCount, &piSize)) )
1275 BYTE *pSCC= (BYTE *)CoTaskMemAlloc(piSize);
1278 int i_priority = -1;
1279 for( int i=0; i<piCount; ++i )
1281 if( SUCCEEDED(pSC->GetStreamCaps(i, &p_mt, pSCC)) )
1283 int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1284 int i_current_priority = GetFourCCPriority(i_current_fourcc);
1286 if( (i_fourcc && (i_current_fourcc != i_fourcc))
1287 || (i_priority > i_current_priority) )
1289 // unwanted chroma, try next media type
1290 FreeMediaType( *p_mt );
1291 CoTaskMemFree( (PVOID)p_mt );
1295 if( MEDIATYPE_Video == p_mt->majortype
1296 && FORMAT_VideoInfo == p_mt->formattype )
1298 VIDEO_STREAM_CONFIG_CAPS *pVSCC = reinterpret_cast<VIDEO_STREAM_CONFIG_CAPS*>(pSCC);
1299 VIDEOINFOHEADER *pVih = reinterpret_cast<VIDEOINFOHEADER*>(p_mt->pbFormat);
1301 if( i_AvgTimePerFrame )
1303 if( pVSCC->MinFrameInterval > i_AvgTimePerFrame
1304 || i_AvgTimePerFrame > pVSCC->MaxFrameInterval )
1306 // required frame rate not compatible, try next media type
1307 FreeMediaType( *p_mt );
1308 CoTaskMemFree( (PVOID)p_mt );
1311 pVih->AvgTimePerFrame = i_AvgTimePerFrame;
1316 if( i_width % pVSCC->OutputGranularityX
1317 || pVSCC->MinOutputSize.cx > i_width
1318 || i_width > pVSCC->MaxOutputSize.cx )
1320 // required width not compatible, try next media type
1321 FreeMediaType( *p_mt );
1322 CoTaskMemFree( (PVOID)p_mt );
1325 pVih->bmiHeader.biWidth = i_width;
1330 if( i_height % pVSCC->OutputGranularityY
1331 || pVSCC->MinOutputSize.cy > i_height
1332 || i_height > pVSCC->MaxOutputSize.cy )
1334 // required height not compatible, try next media type
1335 FreeMediaType( *p_mt );
1336 CoTaskMemFree( (PVOID)p_mt );
1339 pVih->bmiHeader.biHeight = i_height;
1342 // Set the sample size and image size.
1343 // (Round the image width up to a DWORD boundary.)
1344 p_mt->lSampleSize = pVih->bmiHeader.biSizeImage =
1345 ((pVih->bmiHeader.biWidth + 3) & ~3) *
1346 pVih->bmiHeader.biHeight * (pVih->bmiHeader.biBitCount>>3);
1348 // no cropping, use full video input buffer
1349 memset(&(pVih->rcSource), 0, sizeof(RECT));
1350 memset(&(pVih->rcTarget), 0, sizeof(RECT));
1352 // select this format as default
1353 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1355 i_priority = i_current_priority;
1357 // no need to check any more media types
1361 else if( p_mt->majortype == MEDIATYPE_Audio
1362 && p_mt->formattype == FORMAT_WaveFormatEx )
1364 AUDIO_STREAM_CONFIG_CAPS *pASCC = reinterpret_cast<AUDIO_STREAM_CONFIG_CAPS*>(pSCC);
1365 WAVEFORMATEX *pWfx = reinterpret_cast<WAVEFORMATEX*>(p_mt->pbFormat);
1367 if( i_current_fourcc && (WAVE_FORMAT_PCM == pWfx->wFormatTag) )
1369 int val = i_channels;
1373 if( val % pASCC->ChannelsGranularity
1374 || (unsigned int)val < pASCC->MinimumChannels
1375 || (unsigned int)val > pASCC->MaximumChannels )
1377 // required number channels not available, try next media type
1378 FreeMediaType( *p_mt );
1379 CoTaskMemFree( (PVOID)p_mt );
1382 pWfx->nChannels = val;
1384 val = i_samplespersec;
1388 if( val % pASCC->SampleFrequencyGranularity
1389 || (unsigned int)val < pASCC->MinimumSampleFrequency
1390 || (unsigned int)val > pASCC->MaximumSampleFrequency )
1392 // required sampling rate not available, try next media type
1393 FreeMediaType( *p_mt );
1394 CoTaskMemFree( (PVOID)p_mt );
1397 pWfx->nSamplesPerSec = val;
1399 val = i_bitspersample;
1402 if( VLC_FOURCC('f', 'l', '3', '2') == i_current_fourcc )
1408 if( val % pASCC->BitsPerSampleGranularity
1409 || (unsigned int)val < pASCC->MinimumBitsPerSample
1410 || (unsigned int)val > pASCC->MaximumBitsPerSample )
1412 // required sample size not available, try next media type
1413 FreeMediaType( *p_mt );
1414 CoTaskMemFree( (PVOID)p_mt );
1418 pWfx->wBitsPerSample = val;
1419 pWfx->nBlockAlign = (pWfx->wBitsPerSample * pWfx->nChannels)/8;
1420 pWfx->nAvgBytesPerSec = pWfx->nSamplesPerSec * pWfx->nBlockAlign;
1422 // select this format as default
1423 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1425 i_priority = i_current_priority;
1429 FreeMediaType( *p_mt );
1430 CoTaskMemFree( (PVOID)p_mt );
1433 CoTaskMemFree( (LPVOID)pSCC );
1434 if( i_priority >= 0 )
1435 msg_Dbg( p_this, "EnumDeviceCaps: input pin default format configured");
1442 ** Probe pin for available medias (may be a previously configured one)
1445 if( FAILED( p_output_pin->EnumMediaTypes( &p_enummt ) ) )
1447 p_output_pin->Release();
1451 while( p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1453 int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1454 if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Video
1455 && p_mt->formattype == FORMAT_VideoInfo )
1457 int i_current_width = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1458 int i_current_height = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1459 LONGLONG i_current_atpf = ((VIDEOINFOHEADER *)p_mt->pbFormat)->AvgTimePerFrame;
1461 if( i_current_height < 0 )
1462 i_current_height = -i_current_height;
1464 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1465 "accepts chroma: %4.4s, width:%i, height:%i, fps:%f",
1466 (char *)&i_current_fourcc, i_current_width,
1467 i_current_height, (10000000.0f/((float)i_current_atpf)) );
1469 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1470 ( !i_width || i_width == i_current_width ) &&
1471 ( !i_height || i_height == i_current_height ) &&
1472 ( !i_AvgTimePerFrame || i_AvgTimePerFrame == i_current_atpf ) &&
1476 mt[mt_count++] = *p_mt;
1478 else FreeMediaType( *p_mt );
1480 else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Audio
1481 && p_mt->formattype == FORMAT_WaveFormatEx)
1483 int i_current_channels =
1484 ((WAVEFORMATEX *)p_mt->pbFormat)->nChannels;
1485 int i_current_samplespersec =
1486 ((WAVEFORMATEX *)p_mt->pbFormat)->nSamplesPerSec;
1487 int i_current_bitspersample =
1488 ((WAVEFORMATEX *)p_mt->pbFormat)->wBitsPerSample;
1490 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1491 "accepts format: %4.4s, channels:%i, "
1492 "samples/sec:%i bits/sample:%i",
1493 (char *)&i_current_fourcc, i_current_channels,
1494 i_current_samplespersec, i_current_bitspersample);
1496 if( (!i_channels || i_channels == i_current_channels) &&
1497 (!i_samplespersec ||
1498 i_samplespersec == i_current_samplespersec) &&
1499 (!i_bitspersample ||
1500 i_bitspersample == i_current_bitspersample) &&
1504 mt[mt_count++] = *p_mt;
1506 /* Setup a few properties like the audio latency */
1507 IAMBufferNegotiation *p_ambuf;
1508 if( SUCCEEDED( p_output_pin->QueryInterface(
1509 IID_IAMBufferNegotiation, (void **)&p_ambuf ) ) )
1511 ALLOCATOR_PROPERTIES AllocProp;
1512 AllocProp.cbAlign = -1;
1514 /* 100 ms of latency */
1515 AllocProp.cbBuffer = i_current_channels *
1516 i_current_samplespersec *
1517 i_current_bitspersample / 8 / 10;
1519 AllocProp.cbPrefix = -1;
1520 AllocProp.cBuffers = -1;
1521 p_ambuf->SuggestAllocatorProperties( &AllocProp );
1525 else FreeMediaType( *p_mt );
1527 else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Stream )
1529 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1530 "accepts stream format: %4.4s",
1531 (char *)&i_current_fourcc );
1533 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1537 mt[mt_count++] = *p_mt;
1538 i_fourcc = i_current_fourcc;
1540 else FreeMediaType( *p_mt );
1544 char *psz_type = "unknown";
1545 if( p_mt->majortype == MEDIATYPE_Video ) psz_type = "video";
1546 if( p_mt->majortype == MEDIATYPE_Audio ) psz_type = "audio";
1547 if( p_mt->majortype == MEDIATYPE_Stream ) psz_type = "stream";
1548 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: unsupported format "
1549 "(%s %4.4s)", psz_type, (char *)&p_mt->subtype );
1551 FreeMediaType( *p_mt );
1553 CoTaskMemFree( (PVOID)p_mt );
1556 if( !mt_count && p_enummt->Reset() == S_OK )
1558 // VLC did not find any supported MEDIATYPE for this output pin.
1559 // However the graph builder might insert converter filters in
1560 // the graph if we use a different codec in VLC filter input pin.
1561 // however, in order to avoid nasty surprises, make use of this
1562 // facility only for known unsupported codecs.
1564 while( !mt_count && p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1566 // the first four bytes of subtype GUID contains the codec FOURCC
1567 const char *pfcc = (char *)&p_mt->subtype;
1568 int i_current_fourcc = VLC_FOURCC(pfcc[0], pfcc[1], pfcc[2], pfcc[3]);
1569 if( VLC_FOURCC('H','C','W','2') == i_current_fourcc
1570 && p_mt->majortype == MEDIATYPE_Video )
1572 // output format for 'Hauppauge WinTV PVR PCI II Capture'
1573 // try I420 as an input format
1574 i_current_fourcc = VLC_FOURCC('I','4','2','0');
1575 if( !i_fourcc || i_fourcc == i_current_fourcc )
1577 // return alternative media type
1581 mtr.majortype = MEDIATYPE_Video;
1582 mtr.subtype = MEDIASUBTYPE_I420;
1583 mtr.bFixedSizeSamples = TRUE;
1584 mtr.bTemporalCompression = FALSE;
1586 mtr.formattype = FORMAT_VideoInfo;
1587 mtr.cbFormat = sizeof(vh);
1588 mtr.pbFormat = (BYTE *)&vh;
1590 memset(&vh, 0, sizeof(vh));
1592 vh.bmiHeader.biSize = sizeof(vh.bmiHeader);
1593 vh.bmiHeader.biWidth = i_width > 0 ? i_width :
1594 ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1595 vh.bmiHeader.biHeight = i_height > 0 ? i_height :
1596 ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1597 vh.bmiHeader.biPlanes = 3;
1598 vh.bmiHeader.biBitCount = 12;
1599 vh.bmiHeader.biCompression = VLC_FOURCC('I','4','2','0');
1600 vh.bmiHeader.biSizeImage = vh.bmiHeader.biWidth * 12 *
1601 vh.bmiHeader.biHeight / 8;
1602 mtr.lSampleSize = vh.bmiHeader.biSizeImage;
1604 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: using 'I420' in place of unsupported format 'HCW2'");
1606 if( SUCCEEDED(CopyMediaType(mt+mt_count, &mtr)) )
1610 FreeMediaType( *p_mt );
1614 p_enummt->Release();
1615 p_output_pin->Release();
1618 p_enumpins->Release();
1622 /*****************************************************************************
1623 * ReadCompressed: reads compressed (MPEG/DV) data from the device.
1624 *****************************************************************************
1625 * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
1627 *****************************************************************************/
1628 static block_t *ReadCompressed( access_t *p_access )
1630 access_sys_t *p_sys = p_access->p_sys;
1631 dshow_stream_t *p_stream = NULL;
1632 VLCMediaSample sample;
1634 /* Read 1 DV/MPEG frame (they contain the video and audio data) */
1636 /* There must be only 1 elementary stream to produce a valid stream
1637 * of MPEG or DV data */
1638 p_stream = p_sys->pp_streams[0];
1642 if( !vlc_object_alive (p_access) || p_access->b_error ) return 0;
1644 /* Get new sample/frame from the elementary stream (blocking). */
1645 vlc_mutex_lock( &p_sys->lock );
1647 if( p_stream->p_capture_filter->CustomGetPin()
1648 ->CustomGetSample( &sample ) != S_OK )
1650 /* No data available. Wait until some data has arrived */
1651 vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1652 vlc_mutex_unlock( &p_sys->lock );
1656 vlc_mutex_unlock( &p_sys->lock );
1663 int i_data_size = sample.p_sample->GetActualDataLength();
1665 if( !i_data_size || !(p_block = block_New( p_access, i_data_size )) )
1667 sample.p_sample->Release();
1671 sample.p_sample->GetPointer( &p_data );
1672 vlc_memcpy( p_block->p_buffer, p_data, i_data_size );
1673 sample.p_sample->Release();
1675 /* The caller got what he wanted */
1679 return 0; /* never reached */
1682 /****************************************************************************
1684 ****************************************************************************/
1685 static int Demux( demux_t *p_demux )
1687 access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
1688 dshow_stream_t *p_stream = NULL;
1689 VLCMediaSample sample;
1690 int i_data_size, i_stream;
1694 vlc_mutex_lock( &p_sys->lock );
1696 /* Try to grab an audio sample (audio has a higher priority) */
1697 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1699 p_stream = p_sys->pp_streams[i_stream];
1700 if( p_stream->mt.majortype == MEDIATYPE_Audio &&
1701 p_stream->p_capture_filter &&
1702 p_stream->p_capture_filter->CustomGetPin()
1703 ->CustomGetSample( &sample ) == S_OK )
1708 /* Try to grab a video sample */
1709 if( i_stream == p_sys->i_streams )
1711 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1713 p_stream = p_sys->pp_streams[i_stream];
1714 if( p_stream->p_capture_filter &&
1715 p_stream->p_capture_filter->CustomGetPin()
1716 ->CustomGetSample( &sample ) == S_OK )
1723 vlc_mutex_unlock( &p_sys->lock );
1725 if( i_stream == p_sys->i_streams )
1727 /* Sleep so we do not consume all the cpu, 10ms seems
1728 * like a good value (100fps) */
1736 i_data_size = sample.p_sample->GetActualDataLength();
1737 sample.p_sample->GetPointer( &p_data );
1739 REFERENCE_TIME i_pts, i_end_date;
1740 HRESULT hr = sample.p_sample->GetTime( &i_pts, &i_end_date );
1741 if( hr != VFW_S_NO_STOP_TIME && hr != S_OK ) i_pts = 0;
1745 if( p_stream->mt.majortype == MEDIATYPE_Video || !p_stream->b_pts )
1747 /* Use our data timestamp */
1748 i_pts = sample.i_timestamp;
1749 p_stream->b_pts = true;
1753 i_pts /= 10; /* Dshow works with 100 nano-seconds resolution */
1756 msg_Dbg( p_demux, "Read() stream: %i, size: %i, PTS: %"PRId64,
1757 i_stream, i_data_size, i_pts );
1760 p_block = block_New( p_demux, i_data_size );
1761 vlc_memcpy( p_block->p_buffer, p_data, i_data_size );
1762 p_block->i_pts = p_block->i_dts = i_pts;
1763 sample.p_sample->Release();
1765 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_pts > 0 ? i_pts : 0 );
1766 es_out_Send( p_demux->out, p_stream->p_es, p_block );
1771 /*****************************************************************************
1773 *****************************************************************************/
1774 static int AccessControl( access_t *p_access, int i_query, va_list args )
1783 case ACCESS_CAN_SEEK:
1784 case ACCESS_CAN_FASTSEEK:
1785 case ACCESS_CAN_PAUSE:
1786 case ACCESS_CAN_CONTROL_PACE:
1787 pb_bool = (bool*)va_arg( args, bool* );
1792 case ACCESS_GET_MTU:
1793 pi_int = (int*)va_arg( args, int * );
1797 case ACCESS_GET_PTS_DELAY:
1798 pi_64 = (int64_t*)va_arg( args, int64_t * );
1799 *pi_64 = (int64_t)var_GetInteger( p_access, "dshow-caching" ) * 1000;
1803 case ACCESS_SET_PAUSE_STATE:
1804 case ACCESS_GET_TITLE_INFO:
1805 case ACCESS_SET_TITLE:
1806 case ACCESS_SET_SEEKPOINT:
1807 case ACCESS_SET_PRIVATE_ID_STATE:
1808 return VLC_EGENERIC;
1811 msg_Warn( p_access, "unimplemented query in control" );
1812 return VLC_EGENERIC;
1818 /****************************************************************************
1820 ****************************************************************************/
1821 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
1828 /* Special for access_demux */
1829 case DEMUX_CAN_PAUSE:
1830 case DEMUX_CAN_SEEK:
1831 case DEMUX_SET_PAUSE_STATE:
1832 case DEMUX_CAN_CONTROL_PACE:
1833 pb = (bool*)va_arg( args, bool * );
1837 case DEMUX_GET_PTS_DELAY:
1838 pi64 = (int64_t*)va_arg( args, int64_t * );
1839 *pi64 = (int64_t)var_GetInteger( p_demux, "dshow-caching" ) * 1000;
1842 case DEMUX_GET_TIME:
1843 pi64 = (int64_t*)va_arg( args, int64_t * );
1847 /* TODO implement others */
1849 return VLC_EGENERIC;
1852 return VLC_EGENERIC;
1855 /*****************************************************************************
1856 * config variable callback
1857 *****************************************************************************/
1858 static int FindDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1859 vlc_value_t newval, vlc_value_t oldval, void * )
1861 module_config_t *p_item;
1862 bool b_audio = false;
1865 p_item = config_FindConfig( p_this, psz_name );
1866 if( !p_item ) return VLC_SUCCESS;
1868 if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = true;
1870 /* Clear-up the current list */
1871 if( p_item->i_list )
1873 /* Keep the 2 first entries */
1874 for( i = 2; i < p_item->i_list; i++ )
1876 free( const_cast<char *>(p_item->ppsz_list[i]) );
1877 free( const_cast<char *>(p_item->ppsz_list_text[i]) );
1879 /* TODO: Remove when no more needed */
1880 p_item->ppsz_list[i] = NULL;
1881 p_item->ppsz_list_text[i] = NULL;
1885 /* Find list of devices */
1886 list<string> list_devices;
1888 /* Initialize OLE/COM */
1891 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1893 /* Uninitialize OLE/COM */
1896 if( !list_devices.size() ) return VLC_SUCCESS;
1899 (char **)realloc( p_item->ppsz_list,
1900 (list_devices.size()+3) * sizeof(char *) );
1901 p_item->ppsz_list_text =
1902 (char **)realloc( p_item->ppsz_list_text,
1903 (list_devices.size()+3) * sizeof(char *) );
1905 list<string>::iterator iter;
1906 for( iter = list_devices.begin(), i = 2; iter != list_devices.end();
1909 p_item->ppsz_list[i] = strdup( iter->c_str() );
1910 p_item->ppsz_list_text[i] = NULL;
1913 p_item->ppsz_list[i] = NULL;
1914 p_item->ppsz_list_text[i] = NULL;
1916 /* Signal change to the interface */
1917 p_item->b_dirty = true;
1922 static int ConfigDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1923 vlc_value_t newval, vlc_value_t oldval, void * )
1925 module_config_t *p_item;
1926 bool b_audio = false;
1928 /* Initialize OLE/COM */
1931 p_item = config_FindConfig( p_this, psz_name );
1932 if( !p_item ) return VLC_SUCCESS;
1934 if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = true;
1938 if( newval.psz_string && *newval.psz_string )
1940 devicename = newval.psz_string;
1944 /* If no device name was specified, pick the 1st one */
1945 list<string> list_devices;
1947 /* Enumerate devices */
1948 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1949 if( !list_devices.size() ) return VLC_EGENERIC;
1950 devicename = *list_devices.begin();
1953 IBaseFilter *p_device_filter =
1954 FindCaptureDevice( p_this, &devicename, NULL, b_audio );
1955 if( p_device_filter )
1957 ShowPropertyPage( p_device_filter );
1958 p_device_filter->Release();
1962 /* Uninitialize OLE/COM */
1965 msg_Err( p_this, "didn't find device: %s", devicename.c_str() );
1966 return VLC_EGENERIC;
1969 /* Uninitialize OLE/COM */
1975 /*****************************************************************************
1977 *****************************************************************************/
1978 static void ShowPropertyPage( IUnknown *obj )
1980 ISpecifyPropertyPages *p_spec;
1983 HRESULT hr = obj->QueryInterface( IID_ISpecifyPropertyPages,
1985 if( FAILED(hr) ) return;
1987 if( SUCCEEDED(p_spec->GetPages( &cauuid )) )
1989 if( cauuid.cElems > 0 )
1991 HWND hwnd_desktop = ::GetDesktopWindow();
1993 OleCreatePropertyFrame( hwnd_desktop, 30, 30, NULL, 1, &obj,
1994 cauuid.cElems, cauuid.pElems, 0, 0, NULL );
1996 CoTaskMemFree( cauuid.pElems );
2002 static void ShowDeviceProperties( vlc_object_t *p_this,
2003 ICaptureGraphBuilder2 *p_graph,
2004 IBaseFilter *p_device_filter,
2008 msg_Dbg( p_this, "configuring Device Properties" );
2011 * Video or audio capture filter page
2013 ShowPropertyPage( p_device_filter );
2018 if( p_graph && b_audio )
2020 IAMStreamConfig *p_SC;
2022 msg_Dbg( p_this, "showing WDM Audio Configuration Pages" );
2024 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2025 &MEDIATYPE_Audio, p_device_filter,
2026 IID_IAMStreamConfig, (void **)&p_SC );
2029 ShowPropertyPage(p_SC);
2037 HRESULT hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2038 &MEDIATYPE_Audio, p_device_filter,
2039 IID_IAMTVAudio, (void **)&p_TVA );
2042 ShowPropertyPage(p_TVA);
2050 if( p_graph && !b_audio )
2052 IAMStreamConfig *p_SC;
2054 msg_Dbg( p_this, "showing WDM Video Configuration Pages" );
2056 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2057 &MEDIATYPE_Interleaved, p_device_filter,
2058 IID_IAMStreamConfig, (void **)&p_SC );
2061 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2062 &MEDIATYPE_Video, p_device_filter,
2063 IID_IAMStreamConfig, (void **)&p_SC );
2068 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2069 &MEDIATYPE_Stream, p_device_filter,
2070 IID_IAMStreamConfig, (void **)&p_SC );
2075 ShowPropertyPage(p_SC);
2081 static void ShowTunerProperties( vlc_object_t *p_this,
2082 ICaptureGraphBuilder2 *p_graph,
2083 IBaseFilter *p_device_filter,
2087 msg_Dbg( p_this, "configuring Tuner Properties" );
2089 if( !p_graph || b_audio ) return;
2092 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2093 &MEDIATYPE_Interleaved, p_device_filter,
2094 IID_IAMTVTuner, (void **)&p_TV );
2097 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2098 &MEDIATYPE_Video, p_device_filter,
2099 IID_IAMTVTuner, (void **)&p_TV );
2104 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2105 &MEDIATYPE_Stream, p_device_filter,
2106 IID_IAMTVTuner, (void **)&p_TV );
2111 ShowPropertyPage(p_TV);
2116 static void ConfigTuner( vlc_object_t *p_this, ICaptureGraphBuilder2 *p_graph,
2117 IBaseFilter *p_device_filter )
2119 int i_channel, i_country, i_input, i_amtuner_mode;
2124 if( !p_graph ) return;
2126 i_channel = var_GetInteger( p_this, "dshow-tuner-channel" );
2127 i_country = var_GetInteger( p_this, "dshow-tuner-country" );
2128 i_input = var_GetInteger( p_this, "dshow-tuner-input" );
2129 i_amtuner_mode = var_GetInteger( p_this, "dshow-amtuner-mode" );
2131 if( !i_channel && !i_country && !i_input ) return; /* Nothing to do */
2133 msg_Dbg( p_this, "tuner config: channel %i, country %i, input type %i",
2134 i_channel, i_country, i_input );
2136 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Interleaved,
2137 p_device_filter, IID_IAMTVTuner,
2141 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video,
2142 p_device_filter, IID_IAMTVTuner,
2148 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Stream,
2149 p_device_filter, IID_IAMTVTuner,
2155 msg_Dbg( p_this, "couldn't find tuner interface" );
2159 hr = p_TV->GetAvailableModes( &l_modes );
2160 if( SUCCEEDED(hr) && (l_modes & i_amtuner_mode) )
2162 hr = p_TV->put_Mode( (AMTunerModeType)i_amtuner_mode );
2165 if( i_input == 1 ) p_TV->put_InputType( 0, TunerInputCable );
2166 else if( i_input == 2 ) p_TV->put_InputType( 0, TunerInputAntenna );
2168 p_TV->put_CountryCode( i_country );
2169 p_TV->put_Channel( i_channel, AMTUNER_SUBCHAN_NO_TUNE,
2170 AMTUNER_SUBCHAN_NO_TUNE );