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 #include <vlc/input.h>
39 /*****************************************************************************
40 * Access: local prototypes
41 *****************************************************************************/
42 static block_t *ReadCompressed( access_t * );
43 static int AccessControl ( access_t *, int, va_list );
45 static int Demux ( demux_t * );
46 static int DemuxControl( demux_t *, int, va_list );
48 static int OpenDevice( vlc_object_t *, access_sys_t *, string, vlc_bool_t );
49 static IBaseFilter *FindCaptureDevice( vlc_object_t *, string *,
50 list<string> *, vlc_bool_t );
51 static size_t EnumDeviceCaps( vlc_object_t *, IBaseFilter *,
52 int, int, int, int, int, int,
53 AM_MEDIA_TYPE *mt, size_t );
54 static bool ConnectFilters( vlc_object_t *, access_sys_t *,
55 IBaseFilter *, CaptureFilter * );
56 static int FindDevicesCallback( vlc_object_t *, char const *,
57 vlc_value_t, vlc_value_t, void * );
58 static int ConfigDevicesCallback( vlc_object_t *, char const *,
59 vlc_value_t, vlc_value_t, void * );
61 static void ShowPropertyPage( IUnknown * );
62 static void ShowDeviceProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
63 IBaseFilter *, vlc_bool_t );
64 static void ShowTunerProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
65 IBaseFilter *, vlc_bool_t );
66 static void ConfigTuner( vlc_object_t *, ICaptureGraphBuilder2 *,
69 /*****************************************************************************
71 *****************************************************************************/
72 static char *ppsz_vdev[] = { "", "none" };
73 static char *ppsz_vdev_text[] = { N_("Default"), N_("None") };
74 static char *ppsz_adev[] = { "", "none" };
75 static char *ppsz_adev_text[] = { N_("Default"), N_("None") };
76 static int pi_tuner_input[] = { 0, 1, 2 };
77 static char *ppsz_tuner_input_text[] =
78 {N_("Default"), N_("Cable"), N_("Antenna")};
80 #define CACHING_TEXT N_("Caching value in ms")
81 #define CACHING_LONGTEXT N_( \
82 "Caching value for DirectShow streams. " \
83 "This value should be set in millisecondss." )
84 #define VDEV_TEXT N_("Video device name")
85 #define VDEV_LONGTEXT N_( \
86 "Name of the video device that will be used by the " \
87 "DirectShow plugin. If you don't specify anything, the default device " \
89 /// \bug [String] size stuff should be on video !
90 #define ADEV_TEXT N_("Audio device name")
91 #define ADEV_LONGTEXT N_( \
92 "Name of the audio device that will be used by the " \
93 "DirectShow plugin. If you don't specify anything, the default device " \
94 "will be used. You can specify a standard size (cif, d1, ...) or <width>x<height>")
95 #define SIZE_TEXT N_("Video size")
96 #define SIZE_LONGTEXT N_( \
97 "Size of the video that will be displayed by the " \
98 "DirectShow plugin. If you don't specify anything the default size for " \
99 "your device will be used.")
100 #define CHROMA_TEXT N_("Video input chroma format")
101 #define CHROMA_LONGTEXT N_( \
102 "Force the DirectShow video input to use a specific chroma format " \
103 "(eg. I420 (default), RV24, etc.)")
104 #define FPS_TEXT N_("Video input frame rate")
105 #define FPS_LONGTEXT N_( \
106 "Force the DirectShow video input to use a specific frame rate" \
107 "(eg. 0 means default, 25, 29.97, 50, 59.94, etc.)")
108 #define CONFIG_TEXT N_("Device properties")
109 #define CONFIG_LONGTEXT N_( \
110 "Show the properties dialog of the selected device before starting the " \
112 #define TUNER_TEXT N_("Tuner properties")
113 #define TUNER_LONGTEXT N_( \
114 "Show the tuner properties [channel selection] page." )
115 #define CHANNEL_TEXT N_("Tuner TV Channel")
116 #define CHANNEL_LONGTEXT N_( \
117 "Set the TV channel the tuner will set to " \
118 "(0 means default)." )
119 #define COUNTRY_TEXT N_("Tuner country code")
120 #define COUNTRY_LONGTEXT N_( \
121 "Set the tuner country code that establishes the current " \
122 "channel-to-frequency mapping (0 means default)." )
123 #define TUNER_INPUT_TEXT N_("Tuner input type")
124 #define TUNER_INPUT_LONGTEXT N_( \
125 "Select the tuner input type (Cable/Antenna)." )
126 #define VIDEO_IN_TEXT N_("Video input pin")
127 #define VIDEO_IN_LONGTEXT N_( \
128 "Select the video input source, such as composite, s-video, " \
129 "or tuner. Since these settings are hardware-specfic, you should find good " \
130 "settings in the \"Device config\" area, and use those numbers here. -1 " \
131 "means that settings will not be changed.")
132 #define AUDIO_IN_TEXT N_("Audio input pin")
133 #define AUDIO_IN_LONGTEXT N_( \
134 "Select the audio input source. See the \"video input\" option." )
135 #define VIDEO_OUT_TEXT N_("Video output pin")
136 #define VIDEO_OUT_LONGTEXT N_( \
137 "Select the video output type. See the \"video input\" option." )
138 #define AUDIO_OUT_TEXT N_("Audio output pin")
139 #define AUDIO_OUT_LONGTEXT N_( \
140 "Select the audio output type. See the \"video input\" option." )
142 static int CommonOpen ( vlc_object_t *, access_sys_t *, vlc_bool_t );
143 static void CommonClose( vlc_object_t *, access_sys_t * );
145 static int AccessOpen ( vlc_object_t * );
146 static void AccessClose( vlc_object_t * );
148 static int DemuxOpen ( vlc_object_t * );
149 static void DemuxClose ( vlc_object_t * );
152 set_shortname( _("DirectShow") );
153 set_description( _("DirectShow input") );
154 set_category( CAT_INPUT );
155 set_subcategory( SUBCAT_INPUT_ACCESS );
156 add_integer( "dshow-caching", (mtime_t)(0.2*CLOCK_FREQ) / 1000, NULL,
157 CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
159 add_string( "dshow-vdev", NULL, NULL, VDEV_TEXT, VDEV_LONGTEXT, VLC_FALSE);
160 change_string_list( ppsz_vdev, ppsz_vdev_text, FindDevicesCallback );
161 change_action_add( FindDevicesCallback, N_("Refresh list") );
162 change_action_add( ConfigDevicesCallback, N_("Configure") );
164 add_string( "dshow-adev", NULL, NULL, ADEV_TEXT, ADEV_LONGTEXT, VLC_FALSE);
165 change_string_list( ppsz_adev, ppsz_adev_text, FindDevicesCallback );
166 change_action_add( FindDevicesCallback, N_("Refresh list") );
167 change_action_add( ConfigDevicesCallback, N_("Configure") );
169 add_string( "dshow-size", NULL, NULL, SIZE_TEXT, SIZE_LONGTEXT, VLC_FALSE);
171 add_string( "dshow-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT,
174 add_float( "dshow-fps", 0.0f, NULL, FPS_TEXT, FPS_LONGTEXT,
177 add_bool( "dshow-config", VLC_FALSE, NULL, CONFIG_TEXT, CONFIG_LONGTEXT,
180 add_bool( "dshow-tuner", VLC_FALSE, NULL, TUNER_TEXT, TUNER_LONGTEXT,
183 add_integer( "dshow-tuner-channel", 0, NULL, CHANNEL_TEXT,
184 CHANNEL_LONGTEXT, VLC_TRUE );
186 add_integer( "dshow-tuner-country", 0, NULL, COUNTRY_TEXT,
187 COUNTRY_LONGTEXT, VLC_TRUE );
189 add_integer( "dshow-tuner-input", 0, NULL, TUNER_INPUT_TEXT,
190 TUNER_INPUT_LONGTEXT, VLC_TRUE );
191 change_integer_list( pi_tuner_input, ppsz_tuner_input_text, 0 );
193 add_integer( "dshow-video-input", -1, NULL, VIDEO_IN_TEXT,
194 VIDEO_IN_LONGTEXT, VLC_TRUE );
196 add_integer( "dshow-audio-input", -1, NULL, AUDIO_IN_TEXT,
197 AUDIO_IN_LONGTEXT, VLC_TRUE );
199 add_integer( "dshow-video-output", -1, NULL, VIDEO_OUT_TEXT,
200 VIDEO_OUT_LONGTEXT, VLC_TRUE );
202 add_integer( "dshow-audio-output", -1, NULL, AUDIO_OUT_TEXT,
203 AUDIO_OUT_LONGTEXT, VLC_TRUE );
205 add_shortcut( "dshow" );
206 set_capability( "access_demux", 0 );
207 set_callbacks( DemuxOpen, DemuxClose );
210 set_description( _("DirectShow input") );
211 add_shortcut( "dshow" );
212 set_capability( "access2", 0 );
213 set_callbacks( AccessOpen, AccessClose );
217 /*****************************************************************************
218 * DirectShow elementary stream descriptor
219 *****************************************************************************/
220 typedef struct dshow_stream_t
223 IBaseFilter *p_device_filter;
224 CaptureFilter *p_capture_filter;
229 VIDEOINFOHEADER video;
240 /*****************************************************************************
241 * DirectShow utility functions
242 *****************************************************************************/
243 static void CreateDirectShowGraph( access_sys_t *p_sys )
245 p_sys->i_crossbar_route_depth = 0;
247 /* Create directshow filter graph */
248 if( SUCCEEDED( CoCreateInstance( CLSID_FilterGraph, 0, CLSCTX_INPROC,
249 (REFIID)IID_IFilterGraph, (void **)&p_sys->p_graph) ) )
251 /* Create directshow capture graph builder if available */
252 if( SUCCEEDED( CoCreateInstance( CLSID_CaptureGraphBuilder2, 0,
253 CLSCTX_INPROC, (REFIID)IID_ICaptureGraphBuilder2,
254 (void **)&p_sys->p_capture_graph_builder2 ) ) )
256 p_sys->p_capture_graph_builder2->
257 SetFiltergraph((IGraphBuilder *)p_sys->p_graph);
260 p_sys->p_graph->QueryInterface( IID_IMediaControl,
261 (void **)&p_sys->p_control );
265 static void DeleteDirectShowGraph( access_sys_t *p_sys )
267 DeleteCrossbarRoutes( p_sys );
269 /* Remove filters from graph */
270 for( int i = 0; i < p_sys->i_streams; i++ )
272 p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_capture_filter );
273 p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_device_filter );
274 p_sys->pp_streams[i]->p_capture_filter->Release();
275 p_sys->pp_streams[i]->p_device_filter->Release();
278 /* Release directshow objects */
279 if( p_sys->p_control )
281 p_sys->p_control->Release();
282 p_sys->p_control = NULL;
284 if( p_sys->p_capture_graph_builder2 )
286 p_sys->p_capture_graph_builder2->Release();
287 p_sys->p_capture_graph_builder2 = NULL;
292 p_sys->p_graph->Release();
293 p_sys->p_graph = NULL;
297 /*****************************************************************************
298 * CommonOpen: open direct show device
299 *****************************************************************************/
300 static int CommonOpen( vlc_object_t *p_this, access_sys_t *p_sys,
301 vlc_bool_t b_access_demux )
306 /* Get/parse options and open device(s) */
307 string vdevname, adevname;
308 int i_width = 0, i_height = 0, i_chroma = 0;
309 vlc_bool_t b_audio = VLC_TRUE;
311 var_Create( p_this, "dshow-config", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
312 var_Create( p_this, "dshow-tuner", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
313 var_Create( p_this, "dshow-vdev", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
314 var_Get( p_this, "dshow-vdev", &val );
315 if( val.psz_string ) vdevname = string( val.psz_string );
316 if( val.psz_string ) free( val.psz_string );
318 var_Create( p_this, "dshow-adev", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
319 var_Get( p_this, "dshow-adev", &val );
320 if( val.psz_string ) adevname = string( val.psz_string );
321 if( val.psz_string ) free( val.psz_string );
323 static struct {char *psz_size; int i_width; int i_height;} size_table[] =
324 { { "subqcif", 128, 96 }, { "qsif", 160, 120 }, { "qcif", 176, 144 },
325 { "sif", 320, 240 }, { "cif", 352, 288 }, { "d1", 640, 480 },
329 var_Create( p_this, "dshow-size", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
330 var_Get( p_this, "dshow-size", &val );
331 if( val.psz_string && *val.psz_string )
333 for( i = 0; size_table[i].psz_size; i++ )
335 if( !strcmp( val.psz_string, size_table[i].psz_size ) )
337 i_width = size_table[i].i_width;
338 i_height = size_table[i].i_height;
342 if( !size_table[i].psz_size ) /* Try to parse "WidthxHeight" */
345 i_width = strtol( val.psz_string, &psz_parser, 0 );
346 if( *psz_parser == 'x' || *psz_parser == 'X')
348 i_height = strtol( psz_parser + 1, &psz_parser, 0 );
350 msg_Dbg( p_this, "width x height %dx%d", i_width, i_height );
353 if( val.psz_string ) free( val.psz_string );
355 p_sys->b_chroma = VLC_FALSE;
356 var_Create( p_this, "dshow-chroma", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
357 var_Get( p_this, "dshow-chroma", &val );
358 if( val.psz_string && strlen( val.psz_string ) >= 4 )
360 i_chroma = VLC_FOURCC( val.psz_string[0], val.psz_string[1],
361 val.psz_string[2], val.psz_string[3] );
362 p_sys->b_chroma = VLC_TRUE;
364 if( val.psz_string ) free( val.psz_string );
366 var_Create( p_this, "dshow-fps", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
367 var_Create( p_this, "dshow-tuner-channel",
368 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
369 var_Create( p_this, "dshow-tuner-country",
370 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
371 var_Create( p_this, "dshow-tuner-input",
372 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
374 var_Create( p_this, "dshow-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
376 var_Create( p_this, "dshow-video-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
377 var_Create( p_this, "dshow-audio-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
378 var_Create( p_this, "dshow-video-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
379 var_Create( p_this, "dshow-audio-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
381 /* Initialize OLE/COM */
384 /* Initialize some data */
385 p_sys->i_streams = 0;
386 p_sys->pp_streams = 0;
387 p_sys->i_width = i_width;
388 p_sys->i_height = i_height;
389 p_sys->i_chroma = i_chroma;
391 p_sys->p_graph = NULL;
392 p_sys->p_capture_graph_builder2 = NULL;
393 p_sys->p_control = NULL;
395 vlc_mutex_init( p_this, &p_sys->lock );
396 vlc_cond_init( p_this, &p_sys->wait );
398 /* Build directshow graph */
399 CreateDirectShowGraph( p_sys );
401 if( OpenDevice( p_this, p_sys, vdevname, 0 ) != VLC_SUCCESS )
403 msg_Err( p_this, "can't open video");
407 /* Check if we can handle the demuxing ourselves or need to spawn
408 * a demuxer module */
409 dshow_stream_t *p_stream = p_sys->pp_streams[p_sys->i_streams-1];
411 if( p_stream->mt.majortype == MEDIATYPE_Video )
413 if( /* Raw DV stream */
414 p_stream->i_fourcc == VLC_FOURCC('d','v','s','l') ||
415 p_stream->i_fourcc == VLC_FOURCC('d','v','s','d') ||
416 p_stream->i_fourcc == VLC_FOURCC('d','v','h','d') ||
417 /* Raw MPEG video stream */
418 p_stream->i_fourcc == VLC_FOURCC('m','p','2','v') )
424 /* Let the access (only) take care of that */
430 if( p_stream->mt.majortype == MEDIATYPE_Stream )
436 /* Let the access (only) take care of that */
440 var_Get( p_this, "dshow-tuner", &val );
443 /* FIXME: we do MEDIATYPE_Stream here so we don't do
445 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
446 p_stream->p_device_filter, 0 );
451 if( b_audio && OpenDevice( p_this, p_sys, adevname, 1 ) != VLC_SUCCESS )
453 msg_Err( p_this, "can't open audio");
456 for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
458 var_Get( p_this, "dshow-video-input", &val );
460 p_sys->crossbar_routes[i].VideoInputIndex=val.i_int;
461 var_Get( p_this, "dshow-video-output", &val );
463 p_sys->crossbar_routes[i].VideoOutputIndex=val.i_int;
464 var_Get( p_this, "dshow-audio-input", &val );
466 p_sys->crossbar_routes[i].AudioInputIndex=val.i_int;
467 var_Get( p_this, "dshow-audio-output", &val );
469 p_sys->crossbar_routes[i].AudioOutputIndex=val.i_int;
471 IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
472 LONG VideoInputIndex = p_sys->crossbar_routes[i].VideoInputIndex;
473 LONG VideoOutputIndex = p_sys->crossbar_routes[i].VideoOutputIndex;
474 LONG AudioInputIndex = p_sys->crossbar_routes[i].AudioInputIndex;
475 LONG AudioOutputIndex = p_sys->crossbar_routes[i].AudioOutputIndex;
477 if( SUCCEEDED(pXbar->Route(VideoOutputIndex, VideoInputIndex)) )
479 msg_Dbg( p_this, "crossbar at depth %d, routed video "
480 "output %ld to video input %ld", i, VideoOutputIndex,
483 if( AudioOutputIndex != -1 && AudioInputIndex != -1 )
485 if( SUCCEEDED( pXbar->Route(AudioOutputIndex,
488 msg_Dbg(p_this, "crossbar at depth %d, routed audio "
489 "output %ld to audio input %ld", i,
490 AudioOutputIndex, AudioInputIndex );
497 ** Show properties pages from other filters in graph
499 var_Get( p_this, "dshow-config", &val );
502 for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
504 IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
507 if( SUCCEEDED( pXbar->QueryInterface( IID_IBaseFilter,
510 ShowPropertyPage( p_XF );
516 /* Initialize some data */
517 p_sys->i_current_stream = 0;
519 if( !p_sys->i_streams ) return VLC_EGENERIC;
524 /*****************************************************************************
525 * DemuxOpen: open direct show device as an access_demux module
526 *****************************************************************************/
527 static int DemuxOpen( vlc_object_t *p_this )
529 demux_t *p_demux = (demux_t *)p_this;
533 p_sys = (access_sys_t *)malloc( sizeof( access_sys_t ) );
534 memset( p_sys, 0, sizeof( access_sys_t ) );
535 p_demux->p_sys = (demux_sys_t *)p_sys;
537 if( CommonOpen( p_this, p_sys, VLC_TRUE ) != VLC_SUCCESS )
539 CommonClose( p_this, p_sys );
543 /* Everything is ready. Let's rock baby */
544 msg_Dbg( p_this, "Playing...");
545 p_sys->p_control->Run();
547 p_demux->pf_demux = Demux;
548 p_demux->pf_control = DemuxControl;
549 p_demux->info.i_update = 0;
550 p_demux->info.i_title = 0;
551 p_demux->info.i_seekpoint = 0;
553 for( i = 0; i < p_sys->i_streams; i++ )
555 dshow_stream_t *p_stream = p_sys->pp_streams[i];
558 if( p_stream->mt.majortype == MEDIATYPE_Video )
560 es_format_Init( &fmt, VIDEO_ES, p_stream->i_fourcc );
562 fmt.video.i_width = p_stream->header.video.bmiHeader.biWidth;
563 fmt.video.i_height = p_stream->header.video.bmiHeader.biHeight;
564 fmt.video.i_aspect = 4 * VOUT_ASPECT_FACTOR / 3;
566 if( !p_stream->header.video.bmiHeader.biCompression )
568 /* RGB DIB are coded from bottom to top */
569 fmt.video.i_height = (unsigned int)(-(int)fmt.video.i_height);
572 /* Setup rgb mask for RGB formats */
573 if( p_stream->i_fourcc == VLC_FOURCC('R','V','2','4') )
575 /* This is in BGR format */
576 fmt.video.i_bmask = 0x00ff0000;
577 fmt.video.i_gmask = 0x0000ff00;
578 fmt.video.i_rmask = 0x000000ff;
581 if( p_stream->header.video.AvgTimePerFrame )
583 fmt.video.i_frame_rate = 10000000;
584 fmt.video.i_frame_rate_base =
585 p_stream->header.video.AvgTimePerFrame;
588 else if( p_stream->mt.majortype == MEDIATYPE_Audio )
590 es_format_Init( &fmt, AUDIO_ES, p_stream->i_fourcc );
592 fmt.audio.i_channels = p_stream->header.audio.nChannels;
593 fmt.audio.i_rate = p_stream->header.audio.nSamplesPerSec;
594 fmt.audio.i_bitspersample = p_stream->header.audio.wBitsPerSample;
595 fmt.audio.i_blockalign = fmt.audio.i_channels *
596 fmt.audio.i_bitspersample / 8;
597 fmt.i_bitrate = fmt.audio.i_channels * fmt.audio.i_rate *
598 fmt.audio.i_bitspersample;
601 p_stream->p_es = es_out_Add( p_demux->out, &fmt );
607 /*****************************************************************************
608 * AccessOpen: open direct show device as an access module
609 *****************************************************************************/
610 static int AccessOpen( vlc_object_t *p_this )
612 access_t *p_access = (access_t*)p_this;
615 p_access->p_sys = p_sys = (access_sys_t *)malloc( sizeof( access_sys_t ) );
616 memset( p_sys, 0, sizeof( access_sys_t ) );
618 if( CommonOpen( p_this, p_sys, VLC_FALSE ) != VLC_SUCCESS )
620 CommonClose( p_this, p_sys );
624 dshow_stream_t *p_stream = p_sys->pp_streams[0];
626 /* Check if we need to force demuxers */
627 if( !p_access->psz_demux || !*p_access->psz_demux )
629 if( p_stream->i_fourcc == VLC_FOURCC('d','v','s','l') ||
630 p_stream->i_fourcc == VLC_FOURCC('d','v','s','d') ||
631 p_stream->i_fourcc == VLC_FOURCC('d','v','h','d') )
633 p_access->psz_demux = strdup( "rawdv" );
635 else if( p_stream->i_fourcc == VLC_FOURCC('m','p','2','v') )
637 p_access->psz_demux = "mpgv";
642 p_access->pf_read = NULL;
643 p_access->pf_block = ReadCompressed;
644 p_access->pf_control = AccessControl;
645 p_access->pf_seek = NULL;
646 p_access->info.i_update = 0;
647 p_access->info.i_size = 0;
648 p_access->info.i_pos = 0;
649 p_access->info.b_eof = VLC_FALSE;
650 p_access->info.i_title = 0;
651 p_access->info.i_seekpoint = 0;
652 p_access->p_sys = p_sys;
654 /* Everything is ready. Let's rock baby */
655 msg_Dbg( p_this, "Playing...");
656 p_sys->p_control->Run();
661 /*****************************************************************************
662 * CommonClose: close device
663 *****************************************************************************/
664 static void CommonClose( vlc_object_t *p_this, access_sys_t *p_sys )
666 msg_Dbg( p_this, "releasing DirectShow");
668 DeleteDirectShowGraph( p_sys );
670 /* Uninitialize OLE/COM */
673 for( int i = 0; i < p_sys->i_streams; i++ ) delete p_sys->pp_streams[i];
674 if( p_sys->i_streams ) free( p_sys->pp_streams );
676 vlc_mutex_destroy( &p_sys->lock );
677 vlc_cond_destroy( &p_sys->wait );
682 /*****************************************************************************
683 * AccessClose: close device
684 *****************************************************************************/
685 static void AccessClose( vlc_object_t *p_this )
687 access_t *p_access = (access_t *)p_this;
688 access_sys_t *p_sys = p_access->p_sys;
690 /* Stop capturing stuff */
691 p_sys->p_control->Stop();
693 CommonClose( p_this, p_sys );
696 /*****************************************************************************
697 * DemuxClose: close device
698 *****************************************************************************/
699 static void DemuxClose( vlc_object_t *p_this )
701 demux_t *p_demux = (demux_t *)p_this;
702 access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
704 /* Stop capturing stuff */
705 p_sys->p_control->Stop();
707 CommonClose( p_this, p_sys );
710 /****************************************************************************
712 ****************************************************************************/
713 static bool ConnectFilters( vlc_object_t *p_this, access_sys_t *p_sys,
714 IBaseFilter *p_filter,
715 CaptureFilter *p_capture_filter )
717 CapturePin *p_input_pin = p_capture_filter->CustomGetPin();
719 AM_MEDIA_TYPE mediaType = p_input_pin->CustomGetMediaType();
721 if( p_sys->p_capture_graph_builder2 )
723 if( FAILED(p_sys->p_capture_graph_builder2->
724 RenderStream( &PIN_CATEGORY_CAPTURE, &mediaType.majortype,
725 p_filter, 0, (IBaseFilter *)p_capture_filter )) )
730 // Sort out all the possible video inputs
731 // The class needs to be given the capture filters ANALOGVIDEO input pin
733 if( ( mediaType.majortype == MEDIATYPE_Video ||
734 mediaType.majortype == MEDIATYPE_Stream ) &&
735 SUCCEEDED(p_filter->EnumPins(&pins)) )
741 IKsPropertySet *pKs=0;
745 while( !Found && ( S_OK == pins->Next(1, &pP, &n) ) )
747 if( S_OK == pP->QueryPinInfo(&pinInfo) )
749 // is this pin an ANALOGVIDEOIN input pin?
750 if( pinInfo.dir == PINDIR_INPUT &&
751 pP->QueryInterface( IID_IKsPropertySet,
752 (void **)&pKs ) == S_OK )
754 if( pKs->Get( AMPROPSETID_Pin,
755 AMPROPERTY_PIN_CATEGORY, NULL, 0,
756 &guid, sizeof(GUID), &dw ) == S_OK )
758 if( guid == PIN_CATEGORY_ANALOGVIDEOIN )
760 // recursively search crossbar routes
761 FindCrossbarRoutes( p_this, p_sys, pP, 0 );
768 pinInfo.pFilter->Release();
778 IEnumPins *p_enumpins;
781 if( S_OK != p_filter->EnumPins( &p_enumpins ) ) return false;
783 while( S_OK == p_enumpins->Next( 1, &p_pin, NULL ) )
785 PIN_DIRECTION pin_dir;
786 p_pin->QueryDirection( &pin_dir );
788 if( pin_dir == PINDIR_OUTPUT &&
789 p_sys->p_graph->ConnectDirect( p_pin, (IPin *)p_input_pin,
793 p_enumpins->Release();
799 p_enumpins->Release();
805 * get fourcc priority from arbritary preference, the higher the better
807 static int GetFourCCPriority( int i_fourcc )
811 case VLC_FOURCC('I','4','2','0'):
812 case VLC_FOURCC('f','l','3','2'):
814 case VLC_FOURCC('Y','V','1','2'):
815 case VLC_FOURCC('a','r','a','w'):
817 case VLC_FOURCC('R','V','2','4'):
819 case VLC_FOURCC('Y','U','Y','2'):
820 case VLC_FOURCC('R','V','3','2'):
821 case VLC_FOURCC('R','G','B','A'):
828 #define MAX_MEDIA_TYPES 32
830 static int OpenDevice( vlc_object_t *p_this, access_sys_t *p_sys,
831 string devicename, vlc_bool_t b_audio )
833 /* See if device is already opened */
834 for( int i = 0; i < p_sys->i_streams; i++ )
836 if( devicename.size() &&
837 p_sys->pp_streams[i]->devicename == devicename )
844 list<string> list_devices;
846 /* Enumerate devices and display their names */
847 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
849 if( !list_devices.size() )
852 list<string>::iterator iter;
853 for( iter = list_devices.begin(); iter != list_devices.end(); iter++ )
854 msg_Dbg( p_this, "found device: %s", iter->c_str() );
856 /* If no device name was specified, pick the 1st one */
857 if( devicename.size() == 0 )
859 devicename = *list_devices.begin();
862 // Use the system device enumerator and class enumerator to find
863 // a capture/preview device, such as a desktop USB video camera.
864 IBaseFilter *p_device_filter =
865 FindCaptureDevice( p_this, &devicename, 0, b_audio );
866 if( p_device_filter )
867 msg_Dbg( p_this, "using device: %s", devicename.c_str() );
870 msg_Err( p_this, "can't use device: %s, unsupported device type",
871 devicename.c_str() );
875 // Retreive acceptable media types supported by device
876 AM_MEDIA_TYPE media_types[MAX_MEDIA_TYPES];
878 EnumDeviceCaps( p_this, p_device_filter, b_audio ? 0 : p_sys->i_chroma,
879 p_sys->i_width, p_sys->i_height,
880 0, 0, 0, media_types, MAX_MEDIA_TYPES );
882 AM_MEDIA_TYPE *mt = NULL;
884 if( media_count > 0 )
886 mt = (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE) * media_count);
888 // Order and copy returned media types according to arbitrary
890 for( size_t c = 0; c < media_count; c++ )
893 GetFourCCPriority(GetFourCCFromMediaType(media_types[c]));
894 size_t slot_copy = c;
895 for( size_t d = c+1; d < media_count; d++ )
898 GetFourCCPriority(GetFourCCFromMediaType(media_types[d]));
899 if( priority > slot_priority )
901 slot_priority = priority;
907 mt[c] = media_types[slot_copy];
908 media_types[slot_copy] = media_types[c];
912 mt[c] = media_types[c];
918 msg_Err( p_this, "capture device '%s' does not support required parameters !", devicename.c_str() );
919 p_device_filter->Release();
923 /* Create and add our capture filter */
924 CaptureFilter *p_capture_filter =
925 new CaptureFilter( p_this, p_sys, mt, media_count );
926 p_sys->p_graph->AddFilter( p_capture_filter, 0 );
928 /* Add the device filter to the graph (seems necessary with VfW before
929 * accessing pin attributes). */
930 p_sys->p_graph->AddFilter( p_device_filter, 0 );
932 /* Attempt to connect one of this device's capture output pins */
933 msg_Dbg( p_this, "connecting filters" );
934 if( ConnectFilters( p_this, p_sys, p_device_filter, p_capture_filter ) )
937 msg_Dbg( p_this, "filters connected successfully !" );
939 dshow_stream_t dshow_stream;
940 dshow_stream.b_pts = VLC_FALSE;
941 dshow_stream.p_es = 0;
943 p_capture_filter->CustomGetPin()->CustomGetMediaType();
945 /* Show Device properties. Done here so the VLC stream is setup with
946 * the proper parameters. */
948 var_Get( p_this, "dshow-config", &val );
951 ShowDeviceProperties( p_this, p_sys->p_capture_graph_builder2,
952 p_device_filter, b_audio );
955 ConfigTuner( p_this, p_sys->p_capture_graph_builder2,
958 var_Get( p_this, "dshow-tuner", &val );
959 if( val.b_bool && dshow_stream.mt.majortype != MEDIATYPE_Stream )
961 /* FIXME: we do MEDIATYPE_Stream later so we don't do it twice. */
962 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
963 p_device_filter, b_audio );
967 p_capture_filter->CustomGetPin()->CustomGetMediaType();
969 dshow_stream.i_fourcc = GetFourCCFromMediaType( dshow_stream.mt );
970 if( dshow_stream.i_fourcc )
972 if( dshow_stream.mt.majortype == MEDIATYPE_Video )
974 dshow_stream.header.video =
975 *(VIDEOINFOHEADER *)dshow_stream.mt.pbFormat;
976 msg_Dbg( p_this, "MEDIATYPE_Video" );
977 msg_Dbg( p_this, "selected video pin accepts format: %4.4s",
978 (char *)&dshow_stream.i_fourcc);
980 else if( dshow_stream.mt.majortype == MEDIATYPE_Audio )
982 dshow_stream.header.audio =
983 *(WAVEFORMATEX *)dshow_stream.mt.pbFormat;
984 msg_Dbg( p_this, "MEDIATYPE_Audio" );
985 msg_Dbg( p_this, "selected audio pin accepts format: %4.4s",
986 (char *)&dshow_stream.i_fourcc);
988 else if( dshow_stream.mt.majortype == MEDIATYPE_Stream )
990 msg_Dbg( p_this, "MEDIATYPE_Stream" );
991 msg_Dbg( p_this, "selected stream pin accepts format: %4.4s",
992 (char *)&dshow_stream.i_fourcc);
996 msg_Dbg( p_this, "unknown stream majortype" );
1000 /* Add directshow elementary stream to our list */
1001 dshow_stream.p_device_filter = p_device_filter;
1002 dshow_stream.p_capture_filter = p_capture_filter;
1004 p_sys->pp_streams = (dshow_stream_t **)realloc( p_sys->pp_streams,
1005 sizeof(dshow_stream_t *) * (p_sys->i_streams + 1) );
1006 p_sys->pp_streams[p_sys->i_streams] = new dshow_stream_t;
1007 *p_sys->pp_streams[p_sys->i_streams++] = dshow_stream;
1014 /* Remove filters from graph */
1015 p_sys->p_graph->RemoveFilter( p_device_filter );
1016 p_sys->p_graph->RemoveFilter( p_capture_filter );
1018 /* Release objects */
1019 p_device_filter->Release();
1020 p_capture_filter->Release();
1022 return VLC_EGENERIC;
1025 static IBaseFilter *
1026 FindCaptureDevice( vlc_object_t *p_this, string *p_devicename,
1027 list<string> *p_listdevices, vlc_bool_t b_audio )
1029 IBaseFilter *p_base_filter = NULL;
1030 IMoniker *p_moniker = NULL;
1034 /* Create the system device enumerator */
1035 ICreateDevEnum *p_dev_enum = NULL;
1037 hr = CoCreateInstance( CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
1038 IID_ICreateDevEnum, (void **)&p_dev_enum );
1041 msg_Err( p_this, "failed to create the device enumerator (0x%lx)", hr);
1045 /* Create an enumerator for the video capture devices */
1046 IEnumMoniker *p_class_enum = NULL;
1048 hr = p_dev_enum->CreateClassEnumerator( CLSID_VideoInputDeviceCategory,
1051 hr = p_dev_enum->CreateClassEnumerator( CLSID_AudioInputDeviceCategory,
1053 p_dev_enum->Release();
1056 msg_Err( p_this, "failed to create the class enumerator (0x%lx)", hr );
1060 /* If there are no enumerators for the requested type, then
1061 * CreateClassEnumerator will succeed, but p_class_enum will be NULL */
1062 if( p_class_enum == NULL )
1064 msg_Err( p_this, "no capture device was detected" );
1068 /* Enumerate the devices */
1070 /* Note that if the Next() call succeeds but there are no monikers,
1071 * it will return S_FALSE (which is not a failure). Therefore, we check
1072 * that the return code is S_OK instead of using SUCCEEDED() macro. */
1074 while( p_class_enum->Next( 1, &p_moniker, &i_fetched ) == S_OK )
1076 /* Getting the property page to get the device name */
1077 IPropertyBag *p_bag;
1078 hr = p_moniker->BindToStorage( 0, 0, IID_IPropertyBag,
1084 hr = p_bag->Read( L"FriendlyName", &var, NULL );
1088 int i_convert = WideCharToMultiByte(CP_ACP, 0, var.bstrVal,
1089 SysStringLen(var.bstrVal), NULL, 0, NULL, NULL);
1090 char *p_buf = (char *)alloca( i_convert+1 ); p_buf[0] = 0;
1091 WideCharToMultiByte( CP_ACP, 0, var.bstrVal,
1092 SysStringLen(var.bstrVal), p_buf, i_convert, NULL, NULL );
1093 SysFreeString(var.bstrVal);
1094 p_buf[i_convert] = '\0';
1096 if( p_listdevices ) p_listdevices->push_back( p_buf );
1098 if( p_devicename && *p_devicename == string(p_buf) )
1100 /* Bind Moniker to a filter object */
1101 hr = p_moniker->BindToObject( 0, 0, IID_IBaseFilter,
1102 (void **)&p_base_filter );
1105 msg_Err( p_this, "couldn't bind moniker to filter "
1106 "object (0x%lx)", hr );
1107 p_moniker->Release();
1108 p_class_enum->Release();
1111 p_moniker->Release();
1112 p_class_enum->Release();
1113 return p_base_filter;
1118 p_moniker->Release();
1121 p_class_enum->Release();
1125 static size_t EnumDeviceCaps( vlc_object_t *p_this, IBaseFilter *p_filter,
1126 int i_fourcc, int i_width, int i_height,
1127 int i_channels, int i_samplespersec,
1128 int i_bitspersample, AM_MEDIA_TYPE *mt,
1131 IEnumPins *p_enumpins;
1133 IEnumMediaTypes *p_enummt;
1134 size_t mt_count = 0;
1136 LONGLONG i_AvgTimePerFrame = 0;
1137 float r_fps = var_GetFloat( p_this, "dshow-fps" );
1139 i_AvgTimePerFrame = 10000000000LL/(LONGLONG)(r_fps*1000.0f);
1141 if( FAILED(p_filter->EnumPins( &p_enumpins )) )
1143 msg_Dbg( p_this, "EnumDeviceCaps failed: no pin enumeration !");
1147 while( S_OK == p_enumpins->Next( 1, &p_output_pin, NULL ) )
1151 if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1153 msg_Dbg( p_this, "EnumDeviceCaps: %s pin: %S",
1154 info.dir == PINDIR_INPUT ? "input" : "output",
1156 if( info.pFilter ) info.pFilter->Release();
1159 p_output_pin->Release();
1162 p_enumpins->Reset();
1164 while( !mt_count && p_enumpins->Next( 1, &p_output_pin, NULL ) == S_OK )
1168 if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1170 if( info.pFilter ) info.pFilter->Release();
1171 if( info.dir == PINDIR_INPUT )
1173 p_output_pin->Release();
1176 msg_Dbg( p_this, "EnumDeviceCaps: trying pin %S", info.achName );
1179 AM_MEDIA_TYPE *p_mt;
1182 ** Configure pin with a default compatible media if possible
1185 IAMStreamConfig *pSC;
1186 if( SUCCEEDED(p_output_pin->QueryInterface( IID_IAMStreamConfig,
1189 int piCount, piSize;
1190 if( SUCCEEDED(pSC->GetNumberOfCapabilities(&piCount, &piSize)) )
1192 BYTE *pSCC= (BYTE *)CoTaskMemAlloc(piSize);
1195 int i_priority = -1;
1196 for( int i=0; i<piCount; ++i )
1198 if( SUCCEEDED(pSC->GetStreamCaps(i, &p_mt, pSCC)) )
1200 int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1201 int i_current_priority = GetFourCCPriority(i_current_fourcc);
1203 if( (i_fourcc && (i_current_fourcc != i_fourcc))
1204 || (i_priority > i_current_priority) )
1206 // unwanted chroma, try next media type
1207 FreeMediaType( *p_mt );
1208 CoTaskMemFree( (PVOID)p_mt );
1212 if( MEDIATYPE_Video == p_mt->majortype
1213 && FORMAT_VideoInfo == p_mt->formattype )
1215 VIDEO_STREAM_CONFIG_CAPS *pVSCC = reinterpret_cast<VIDEO_STREAM_CONFIG_CAPS*>(pSCC);
1216 VIDEOINFOHEADER *pVih = reinterpret_cast<VIDEOINFOHEADER*>(p_mt->pbFormat);
1218 if( i_AvgTimePerFrame )
1220 if( pVSCC->MinFrameInterval > i_AvgTimePerFrame
1221 || i_AvgTimePerFrame > pVSCC->MaxFrameInterval )
1223 // required frame rate not compatible, try next media type
1224 FreeMediaType( *p_mt );
1225 CoTaskMemFree( (PVOID)p_mt );
1228 pVih->AvgTimePerFrame = i_AvgTimePerFrame;
1233 if( i_width % pVSCC->OutputGranularityX
1234 || pVSCC->MinOutputSize.cx > i_width
1235 || i_width > pVSCC->MaxOutputSize.cx )
1237 // required width not compatible, try next media type
1238 FreeMediaType( *p_mt );
1239 CoTaskMemFree( (PVOID)p_mt );
1242 pVih->bmiHeader.biWidth = i_width;
1247 if( i_height % pVSCC->OutputGranularityY
1248 || pVSCC->MinOutputSize.cy > i_height
1249 || i_height > pVSCC->MaxOutputSize.cy )
1251 // required height not compatible, try next media type
1252 FreeMediaType( *p_mt );
1253 CoTaskMemFree( (PVOID)p_mt );
1256 pVih->bmiHeader.biHeight = i_height;
1259 // Set the sample size and image size.
1260 // (Round the image width up to a DWORD boundary.)
1261 p_mt->lSampleSize = pVih->bmiHeader.biSizeImage =
1262 ((pVih->bmiHeader.biWidth + 3) & ~3) *
1263 pVih->bmiHeader.biHeight * (pVih->bmiHeader.biBitCount>>3);
1265 // no cropping, use full video input buffer
1266 memset(&(pVih->rcSource), 0, sizeof(RECT));
1267 memset(&(pVih->rcTarget), 0, sizeof(RECT));
1269 // select this format as default
1270 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1272 i_priority = i_current_priority;
1274 // no need to check any more media types
1278 else if( p_mt->majortype == MEDIATYPE_Audio
1279 && p_mt->formattype == FORMAT_WaveFormatEx )
1281 AUDIO_STREAM_CONFIG_CAPS *pASCC = reinterpret_cast<AUDIO_STREAM_CONFIG_CAPS*>(pSCC);
1282 WAVEFORMATEX *pWfx = reinterpret_cast<WAVEFORMATEX*>(p_mt->pbFormat);
1284 if( i_current_fourcc && (WAVE_FORMAT_PCM == pWfx->wFormatTag) )
1289 if( i_channels % pASCC->ChannelsGranularity
1290 || (unsigned int)i_channels < pASCC->MinimumChannels
1291 || (unsigned int)i_channels > pASCC->MaximumChannels )
1293 // required number channels not available, try next media type
1294 FreeMediaType( *p_mt );
1295 CoTaskMemFree( (PVOID)p_mt );
1298 pWfx->nChannels = i_channels;
1300 if( ! i_samplespersec )
1301 i_samplespersec = 44100;
1303 if( i_samplespersec % pASCC->SampleFrequencyGranularity
1304 || (unsigned int)i_samplespersec < pASCC->MinimumSampleFrequency
1305 || (unsigned int)i_samplespersec > pASCC->MaximumSampleFrequency )
1307 // required sampling rate not available, try next media type
1308 FreeMediaType( *p_mt );
1309 CoTaskMemFree( (PVOID)p_mt );
1312 pWfx->nSamplesPerSec = i_samplespersec;
1314 if( !i_bitspersample )
1316 if( VLC_FOURCC('f', 'l', '3', '2') == i_current_fourcc )
1317 i_bitspersample = 32;
1319 i_bitspersample = 16;
1322 if( i_bitspersample % pASCC->BitsPerSampleGranularity
1323 || (unsigned int)i_bitspersample < pASCC->MinimumBitsPerSample
1324 || (unsigned int)i_bitspersample > pASCC->MaximumBitsPerSample )
1326 // required sample size not available, try next media type
1327 FreeMediaType( *p_mt );
1328 CoTaskMemFree( (PVOID)p_mt );
1332 pWfx->wBitsPerSample = i_bitspersample;
1333 pWfx->nBlockAlign = (pWfx->wBitsPerSample * pWfx->nChannels)/8;
1334 pWfx->nAvgBytesPerSec = pWfx->nSamplesPerSec * pWfx->nBlockAlign;
1336 // select this format as default
1337 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1339 i_priority = i_current_priority;
1343 FreeMediaType( *p_mt );
1344 CoTaskMemFree( (PVOID)p_mt );
1347 CoTaskMemFree( (LPVOID)pSCC );
1348 if( i_priority >= 0 )
1349 msg_Dbg( p_this, "EnumDeviceCaps: input pin default format configured");
1356 ** Probe pin for available medias (may be a previously configured one)
1359 if( FAILED( p_output_pin->EnumMediaTypes( &p_enummt ) ) )
1361 p_output_pin->Release();
1365 while( p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1367 int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1368 if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Video
1369 && p_mt->formattype == FORMAT_VideoInfo )
1371 int i_current_width = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1372 int i_current_height = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1373 LONGLONG i_current_atpf = ((VIDEOINFOHEADER *)p_mt->pbFormat)->AvgTimePerFrame;
1375 if( i_current_height < 0 )
1376 i_current_height = -i_current_height;
1378 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1379 "accepts chroma: %4.4s, width:%i, height:%i, fps:%f",
1380 (char *)&i_current_fourcc, i_current_width,
1381 i_current_height, (10000000.0f/((float)i_current_atpf)) );
1383 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1384 ( !i_width || i_width == i_current_width ) &&
1385 ( !i_height || i_height == i_current_height ) &&
1386 ( !i_AvgTimePerFrame || i_AvgTimePerFrame == i_current_atpf ) &&
1390 mt[mt_count++] = *p_mt;
1392 else FreeMediaType( *p_mt );
1394 else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Audio
1395 && p_mt->formattype == FORMAT_WaveFormatEx)
1397 int i_current_channels =
1398 ((WAVEFORMATEX *)p_mt->pbFormat)->nChannels;
1399 int i_current_samplespersec =
1400 ((WAVEFORMATEX *)p_mt->pbFormat)->nSamplesPerSec;
1401 int i_current_bitspersample =
1402 ((WAVEFORMATEX *)p_mt->pbFormat)->wBitsPerSample;
1404 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1405 "accepts format: %4.4s, channels:%i, "
1406 "samples/sec:%i bits/sample:%i",
1407 (char *)&i_current_fourcc, i_current_channels,
1408 i_current_samplespersec, i_current_bitspersample);
1410 if( (!i_channels || i_channels == i_current_channels) &&
1411 (!i_samplespersec ||
1412 i_samplespersec == i_current_samplespersec) &&
1413 (!i_bitspersample ||
1414 i_bitspersample == i_current_bitspersample) &&
1418 mt[mt_count++] = *p_mt;
1420 /* Setup a few properties like the audio latency */
1421 IAMBufferNegotiation *p_ambuf;
1422 if( SUCCEEDED( p_output_pin->QueryInterface(
1423 IID_IAMBufferNegotiation, (void **)&p_ambuf ) ) )
1425 ALLOCATOR_PROPERTIES AllocProp;
1426 AllocProp.cbAlign = -1;
1428 /* 100 ms of latency */
1429 AllocProp.cbBuffer = i_current_channels *
1430 i_current_samplespersec *
1431 i_current_bitspersample / 8 / 10;
1433 AllocProp.cbPrefix = -1;
1434 AllocProp.cBuffers = -1;
1435 p_ambuf->SuggestAllocatorProperties( &AllocProp );
1439 else FreeMediaType( *p_mt );
1441 else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Stream )
1443 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1444 "accepts stream format: %4.4s",
1445 (char *)&i_current_fourcc );
1447 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1451 mt[mt_count++] = *p_mt;
1452 i_fourcc = i_current_fourcc;
1454 else FreeMediaType( *p_mt );
1458 char *psz_type = "unknown";
1459 if( p_mt->majortype == MEDIATYPE_Video ) psz_type = "video";
1460 if( p_mt->majortype == MEDIATYPE_Audio ) psz_type = "audio";
1461 if( p_mt->majortype == MEDIATYPE_Stream ) psz_type = "stream";
1462 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: unsupported format "
1463 "(%s %4.4s)", psz_type, (char *)&p_mt->subtype );
1465 FreeMediaType( *p_mt );
1467 CoTaskMemFree( (PVOID)p_mt );
1470 if( !mt_count && p_enummt->Reset() == S_OK )
1472 // VLC did not find any supported MEDIATYPE for this output pin.
1473 // However the graph builder might insert converter filters in
1474 // the graph if we use a different codec in VLC filter input pin.
1475 // however, in order to avoid nasty surprises, make use of this
1476 // facility only for known unsupported codecs.
1478 while( !mt_count && p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1480 // the first four bytes of subtype GUID contains the codec FOURCC
1481 const char *pfcc = (char *)&p_mt->subtype;
1482 int i_current_fourcc = VLC_FOURCC(pfcc[0], pfcc[1], pfcc[2], pfcc[3]);
1483 if( VLC_FOURCC('H','C','W','2') == i_current_fourcc
1484 && p_mt->majortype == MEDIATYPE_Video )
1486 // output format for 'Hauppauge WinTV PVR PCI II Capture'
1487 // try I420 as an input format
1488 i_current_fourcc = VLC_FOURCC('I','4','2','0');
1489 if( !i_fourcc || i_fourcc == i_current_fourcc )
1491 // return alternative media type
1495 mtr.majortype = MEDIATYPE_Video;
1496 mtr.subtype = MEDIASUBTYPE_I420;
1497 mtr.bFixedSizeSamples = TRUE;
1498 mtr.bTemporalCompression = FALSE;
1500 mtr.formattype = FORMAT_VideoInfo;
1501 mtr.cbFormat = sizeof(vh);
1502 mtr.pbFormat = (BYTE *)&vh;
1504 memset(&vh, 0, sizeof(vh));
1506 vh.bmiHeader.biSize = sizeof(vh.bmiHeader);
1507 vh.bmiHeader.biWidth = i_width > 0 ? i_width :
1508 ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1509 vh.bmiHeader.biHeight = i_height > 0 ? i_height :
1510 ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1511 vh.bmiHeader.biPlanes = 3;
1512 vh.bmiHeader.biBitCount = 12;
1513 vh.bmiHeader.biCompression = VLC_FOURCC('I','4','2','0');
1514 vh.bmiHeader.biSizeImage = vh.bmiHeader.biWidth * 12 *
1515 vh.bmiHeader.biHeight / 8;
1516 mtr.lSampleSize = vh.bmiHeader.biSizeImage;
1518 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: using 'I420' in place of unsupported format 'HCW2'");
1520 if( SUCCEEDED(CopyMediaType(mt+mt_count, &mtr)) )
1524 FreeMediaType( *p_mt );
1528 p_enummt->Release();
1529 p_output_pin->Release();
1532 p_enumpins->Release();
1536 /*****************************************************************************
1537 * ReadCompressed: reads compressed (MPEG/DV) data from the device.
1538 *****************************************************************************
1539 * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
1541 *****************************************************************************/
1542 static block_t *ReadCompressed( access_t *p_access )
1544 access_sys_t *p_sys = p_access->p_sys;
1545 dshow_stream_t *p_stream = NULL;
1546 VLCMediaSample sample;
1548 /* Read 1 DV/MPEG frame (they contain the video and audio data) */
1550 /* There must be only 1 elementary stream to produce a valid stream
1551 * of MPEG or DV data */
1552 p_stream = p_sys->pp_streams[0];
1556 if( p_access->b_die || p_access->b_error ) return 0;
1558 /* Get new sample/frame from the elementary stream (blocking). */
1559 vlc_mutex_lock( &p_sys->lock );
1561 if( p_stream->p_capture_filter->CustomGetPin()
1562 ->CustomGetSample( &sample ) != S_OK )
1564 /* No data available. Wait until some data has arrived */
1565 vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1566 vlc_mutex_unlock( &p_sys->lock );
1570 vlc_mutex_unlock( &p_sys->lock );
1577 int i_data_size = sample.p_sample->GetActualDataLength();
1579 if( !i_data_size || !(p_block = block_New( p_access, i_data_size )) )
1581 sample.p_sample->Release();
1585 sample.p_sample->GetPointer( &p_data );
1586 p_access->p_vlc->pf_memcpy( p_block->p_buffer, p_data, i_data_size );
1587 sample.p_sample->Release();
1589 /* The caller got what he wanted */
1593 return 0; /* never reached */
1596 /****************************************************************************
1598 ****************************************************************************/
1599 static int Demux( demux_t *p_demux )
1601 access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
1602 dshow_stream_t *p_stream = NULL;
1603 VLCMediaSample sample;
1604 int i_data_size, i_stream;
1608 vlc_mutex_lock( &p_sys->lock );
1610 /* Try to grab an audio sample (audio has a higher priority) */
1611 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1613 p_stream = p_sys->pp_streams[i_stream];
1614 if( p_stream->mt.majortype == MEDIATYPE_Audio &&
1615 p_stream->p_capture_filter &&
1616 p_stream->p_capture_filter->CustomGetPin()
1617 ->CustomGetSample( &sample ) == S_OK )
1622 /* Try to grab a video sample */
1623 if( i_stream == p_sys->i_streams )
1625 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1627 p_stream = p_sys->pp_streams[i_stream];
1628 if( p_stream->p_capture_filter &&
1629 p_stream->p_capture_filter->CustomGetPin()
1630 ->CustomGetSample( &sample ) == S_OK )
1637 vlc_mutex_unlock( &p_sys->lock );
1639 if( i_stream == p_sys->i_streams )
1641 /* Sleep so we do not consume all the cpu, 10ms seems
1642 * like a good value (100fps) */
1650 i_data_size = sample.p_sample->GetActualDataLength();
1651 sample.p_sample->GetPointer( &p_data );
1653 REFERENCE_TIME i_pts, i_end_date;
1654 HRESULT hr = sample.p_sample->GetTime( &i_pts, &i_end_date );
1655 if( hr != VFW_S_NO_STOP_TIME && hr != S_OK ) i_pts = 0;
1659 if( p_stream->mt.majortype == MEDIATYPE_Video || !p_stream->b_pts )
1661 /* Use our data timestamp */
1662 i_pts = sample.i_timestamp;
1663 p_stream->b_pts = VLC_TRUE;
1667 i_pts /= 10; /* Dshow works with 100 nano-seconds resolution */
1670 msg_Dbg( p_demux, "Read() stream: %i, size: %i, PTS: "I64Fd,
1671 i_stream, i_data_size, i_pts );
1674 p_block = block_New( p_demux, i_data_size );
1675 p_demux->p_vlc->pf_memcpy( p_block->p_buffer, p_data, i_data_size );
1676 p_block->i_pts = p_block->i_dts = i_pts;
1677 sample.p_sample->Release();
1679 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_pts > 0 ? i_pts : 0 );
1680 es_out_Send( p_demux->out, p_stream->p_es, p_block );
1685 /*****************************************************************************
1687 *****************************************************************************/
1688 static int AccessControl( access_t *p_access, int i_query, va_list args )
1690 vlc_bool_t *pb_bool;
1697 case ACCESS_CAN_SEEK:
1698 case ACCESS_CAN_FASTSEEK:
1699 case ACCESS_CAN_PAUSE:
1700 case ACCESS_CAN_CONTROL_PACE:
1701 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
1702 *pb_bool = VLC_FALSE;
1706 case ACCESS_GET_MTU:
1707 pi_int = (int*)va_arg( args, int * );
1711 case ACCESS_GET_PTS_DELAY:
1712 pi_64 = (int64_t*)va_arg( args, int64_t * );
1713 *pi_64 = (int64_t)var_GetInteger( p_access, "dshow-caching" ) * 1000;
1717 case ACCESS_SET_PAUSE_STATE:
1718 case ACCESS_GET_TITLE_INFO:
1719 case ACCESS_SET_TITLE:
1720 case ACCESS_SET_SEEKPOINT:
1721 case ACCESS_SET_PRIVATE_ID_STATE:
1722 return VLC_EGENERIC;
1725 msg_Warn( p_access, "unimplemented query in control" );
1726 return VLC_EGENERIC;
1732 /****************************************************************************
1734 ****************************************************************************/
1735 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
1742 /* Special for access_demux */
1743 case DEMUX_CAN_PAUSE:
1744 case DEMUX_SET_PAUSE_STATE:
1745 case DEMUX_CAN_CONTROL_PACE:
1746 pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
1750 case DEMUX_GET_PTS_DELAY:
1751 pi64 = (int64_t*)va_arg( args, int64_t * );
1752 *pi64 = (int64_t)var_GetInteger( p_demux, "dshow-caching" ) * 1000;
1755 case DEMUX_GET_TIME:
1756 pi64 = (int64_t*)va_arg( args, int64_t * );
1760 /* TODO implement others */
1762 return VLC_EGENERIC;
1765 return VLC_EGENERIC;
1768 /*****************************************************************************
1769 * config variable callback
1770 *****************************************************************************/
1771 static int FindDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1772 vlc_value_t newval, vlc_value_t oldval, void * )
1774 module_config_t *p_item;
1775 vlc_bool_t b_audio = VLC_FALSE;
1778 p_item = config_FindConfig( p_this, psz_name );
1779 if( !p_item ) return VLC_SUCCESS;
1781 if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = VLC_TRUE;
1783 /* Clear-up the current list */
1784 if( p_item->i_list )
1786 /* Keep the 2 first entries */
1787 for( i = 2; i < p_item->i_list; i++ )
1789 free( p_item->ppsz_list[i] );
1790 free( p_item->ppsz_list_text[i] );
1792 /* TODO: Remove when no more needed */
1793 p_item->ppsz_list[i] = NULL;
1794 p_item->ppsz_list_text[i] = NULL;
1798 /* Find list of devices */
1799 list<string> list_devices;
1801 /* Initialize OLE/COM */
1804 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1806 /* Uninitialize OLE/COM */
1809 if( !list_devices.size() ) return VLC_SUCCESS;
1812 (char **)realloc( p_item->ppsz_list,
1813 (list_devices.size()+3) * sizeof(char *) );
1814 p_item->ppsz_list_text =
1815 (char **)realloc( p_item->ppsz_list_text,
1816 (list_devices.size()+3) * sizeof(char *) );
1818 list<string>::iterator iter;
1819 for( iter = list_devices.begin(), i = 2; iter != list_devices.end();
1822 p_item->ppsz_list[i] = strdup( iter->c_str() );
1823 p_item->ppsz_list_text[i] = NULL;
1826 p_item->ppsz_list[i] = NULL;
1827 p_item->ppsz_list_text[i] = NULL;
1829 /* Signal change to the interface */
1830 p_item->b_dirty = VLC_TRUE;
1835 static int ConfigDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1836 vlc_value_t newval, vlc_value_t oldval, void * )
1838 module_config_t *p_item;
1839 vlc_bool_t b_audio = VLC_FALSE;
1841 /* Initialize OLE/COM */
1844 p_item = config_FindConfig( p_this, psz_name );
1845 if( !p_item ) return VLC_SUCCESS;
1847 if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = VLC_TRUE;
1851 if( newval.psz_string && *newval.psz_string )
1853 devicename = newval.psz_string;
1857 /* If no device name was specified, pick the 1st one */
1858 list<string> list_devices;
1860 /* Enumerate devices */
1861 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1862 if( !list_devices.size() ) return VLC_EGENERIC;
1863 devicename = *list_devices.begin();
1866 IBaseFilter *p_device_filter =
1867 FindCaptureDevice( p_this, &devicename, NULL, b_audio );
1868 if( p_device_filter )
1870 ShowPropertyPage( p_device_filter );
1874 /* Uninitialize OLE/COM */
1877 msg_Err( p_this, "didn't find device: %s", devicename.c_str() );
1878 return VLC_EGENERIC;
1881 /* Uninitialize OLE/COM */
1887 /*****************************************************************************
1889 *****************************************************************************/
1890 static void ShowPropertyPage( IUnknown *obj )
1892 ISpecifyPropertyPages *p_spec;
1895 HRESULT hr = obj->QueryInterface( IID_ISpecifyPropertyPages,
1897 if( FAILED(hr) ) return;
1899 if( SUCCEEDED(p_spec->GetPages( &cauuid )) )
1901 if( cauuid.cElems > 0 )
1903 HWND hwnd_desktop = ::GetDesktopWindow();
1905 OleCreatePropertyFrame( hwnd_desktop, 30, 30, NULL, 1, &obj,
1906 cauuid.cElems, cauuid.pElems, 0, 0, NULL );
1908 CoTaskMemFree( cauuid.pElems );
1914 static void ShowDeviceProperties( vlc_object_t *p_this,
1915 ICaptureGraphBuilder2 *p_graph,
1916 IBaseFilter *p_device_filter,
1917 vlc_bool_t b_audio )
1920 msg_Dbg( p_this, "configuring Device Properties" );
1923 * Video or audio capture filter page
1925 ShowPropertyPage( p_device_filter );
1930 if( p_graph && b_audio )
1932 IAMStreamConfig *p_SC;
1934 msg_Dbg( p_this, "showing WDM Audio Configuration Pages" );
1936 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1937 &MEDIATYPE_Audio, p_device_filter,
1938 IID_IAMStreamConfig, (void **)&p_SC );
1941 ShowPropertyPage(p_SC);
1949 HRESULT hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1950 &MEDIATYPE_Audio, p_device_filter,
1951 IID_IAMTVAudio, (void **)&p_TVA );
1954 ShowPropertyPage(p_TVA);
1962 if( p_graph && !b_audio )
1964 IAMStreamConfig *p_SC;
1966 msg_Dbg( p_this, "showing WDM Video Configuration Pages" );
1968 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1969 &MEDIATYPE_Interleaved, p_device_filter,
1970 IID_IAMStreamConfig, (void **)&p_SC );
1973 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1974 &MEDIATYPE_Video, p_device_filter,
1975 IID_IAMStreamConfig, (void **)&p_SC );
1980 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1981 &MEDIATYPE_Stream, p_device_filter,
1982 IID_IAMStreamConfig, (void **)&p_SC );
1987 ShowPropertyPage(p_SC);
1993 static void ShowTunerProperties( vlc_object_t *p_this,
1994 ICaptureGraphBuilder2 *p_graph,
1995 IBaseFilter *p_device_filter,
1996 vlc_bool_t b_audio )
1999 msg_Dbg( p_this, "configuring Tuner Properties" );
2001 if( !p_graph || b_audio ) return;
2004 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2005 &MEDIATYPE_Interleaved, p_device_filter,
2006 IID_IAMTVTuner, (void **)&p_TV );
2009 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2010 &MEDIATYPE_Video, p_device_filter,
2011 IID_IAMTVTuner, (void **)&p_TV );
2016 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2017 &MEDIATYPE_Stream, p_device_filter,
2018 IID_IAMTVTuner, (void **)&p_TV );
2023 ShowPropertyPage(p_TV);
2028 static void ConfigTuner( vlc_object_t *p_this, ICaptureGraphBuilder2 *p_graph,
2029 IBaseFilter *p_device_filter )
2031 int i_channel, i_country, i_input;
2036 if( !p_graph ) return;
2038 i_channel = var_GetInteger( p_this, "dshow-tuner-channel" );
2039 i_country = var_GetInteger( p_this, "dshow-tuner-country" );
2040 i_input = var_GetInteger( p_this, "dshow-tuner-input" );
2042 if( !i_channel && !i_country && !i_input ) return; /* Nothing to do */
2044 msg_Dbg( p_this, "tuner config: channel %i, country %i, input type %i",
2045 i_channel, i_country, i_input );
2047 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Interleaved,
2048 p_device_filter, IID_IAMTVTuner,
2052 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video,
2053 p_device_filter, IID_IAMTVTuner,
2059 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Stream,
2060 p_device_filter, IID_IAMTVTuner,
2066 msg_Dbg( p_this, "couldn't find tuner interface" );
2070 hr = p_TV->GetAvailableModes( &l_modes );
2071 if( SUCCEEDED(hr) && (l_modes & AMTUNER_MODE_TV) )
2073 hr = p_TV->put_Mode( AMTUNER_MODE_TV );
2076 if( i_input == 1 ) p_TV->put_InputType( 0, TunerInputCable );
2077 else if( i_input == 2 ) p_TV->put_InputType( 0, TunerInputAntenna );
2079 p_TV->put_CountryCode( i_country );
2080 p_TV->put_Channel( i_channel, AMTUNER_SUBCHAN_NO_TUNE,
2081 AMTUNER_SUBCHAN_NO_TUNE );