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>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
32 #include <vlc/input.h>
38 /*****************************************************************************
39 * Access: local prototypes
40 *****************************************************************************/
41 static block_t *ReadCompressed( access_t * );
42 static int AccessControl ( access_t *, int, va_list );
44 static int Demux ( demux_t * );
45 static int DemuxControl( demux_t *, int, va_list );
47 static int OpenDevice( vlc_object_t *, access_sys_t *, string, vlc_bool_t );
48 static IBaseFilter *FindCaptureDevice( vlc_object_t *, string *,
49 list<string> *, vlc_bool_t );
50 static size_t EnumDeviceCaps( vlc_object_t *, IBaseFilter *,
51 int, int, int, int, int, int,
52 AM_MEDIA_TYPE *mt, size_t );
53 static bool ConnectFilters( vlc_object_t *, access_sys_t *,
54 IBaseFilter *, CaptureFilter * );
55 static int FindDevicesCallback( vlc_object_t *, char const *,
56 vlc_value_t, vlc_value_t, void * );
57 static int ConfigDevicesCallback( vlc_object_t *, char const *,
58 vlc_value_t, vlc_value_t, void * );
60 static void ShowPropertyPage( IUnknown * );
61 static void ShowDeviceProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
62 IBaseFilter *, vlc_bool_t );
63 static void ShowTunerProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
64 IBaseFilter *, vlc_bool_t );
65 static void ConfigTuner( vlc_object_t *, ICaptureGraphBuilder2 *,
68 /*****************************************************************************
70 *****************************************************************************/
71 static char *ppsz_vdev[] = { "", "none" };
72 static char *ppsz_vdev_text[] = { N_("Default"), N_("None") };
73 static char *ppsz_adev[] = { "", "none" };
74 static char *ppsz_adev_text[] = { N_("Default"), N_("None") };
75 static int pi_tuner_input[] = { 0, 1, 2 };
76 static char *ppsz_tuner_input_text[] =
77 {N_("Default"), N_("Cable"), N_("Antenna")};
79 #define CACHING_TEXT N_("Caching value in ms")
80 #define CACHING_LONGTEXT N_( \
81 "Default caching value for DirectShow streams. " \
82 "This value should be set in millisecondss." )
83 #define VDEV_TEXT N_("Video device name")
84 #define VDEV_LONGTEXT N_( \
85 "Name of the video device that will be used by the " \
86 "DirectShow plugin. If you don't specify anything, the default device " \
88 #define ADEV_TEXT N_("Audio device name")
89 #define ADEV_LONGTEXT N_( \
90 "Name of the audio device that will be used by the " \
91 "DirectShow plugin. If you don't specify anything, the default device " \
93 #define SIZE_TEXT N_("Video size")
94 #define SIZE_LONGTEXT N_( \
95 "Size of the video that will be displayed by the " \
96 "DirectShow plugin. If you don't specify anything the default size for " \
97 "your device will be used.")
98 #define CHROMA_TEXT N_("Video input chroma format")
99 #define CHROMA_LONGTEXT N_( \
100 "Force the DirectShow video input to use a specific chroma format " \
101 "(eg. I420 (default), RV24, etc.)")
102 #define FPS_TEXT N_("Video input frame rate")
103 #define FPS_LONGTEXT N_( \
104 "Force the DirectShow video input to use a specific frame rate" \
105 "(eg. 0 means default, 25, 29.97, 50, 59.94, etc.)")
106 #define CONFIG_TEXT N_("Device properties")
107 #define CONFIG_LONGTEXT N_( \
108 "Show the properties dialog of the selected device before starting the " \
110 #define TUNER_TEXT N_("Tuner properties")
111 #define TUNER_LONGTEXT N_( \
112 "Show the tuner properties [channel selection] page." )
113 #define CHANNEL_TEXT N_("Tuner TV Channel")
114 #define CHANNEL_LONGTEXT N_( \
115 "Set the TV channel the tuner will set to " \
116 "(0 means default)." )
117 #define COUNTRY_TEXT N_("Tuner country code")
118 #define COUNTRY_LONGTEXT N_( \
119 "Set the tuner country code that establishes the current " \
120 "channel-to-frequency mapping (0 means default)." )
121 #define TUNER_INPUT_TEXT N_("Tuner input type")
122 #define TUNER_INPUT_LONGTEXT N_( \
123 "Select the tuner input type (Cable/Antenna)." )
124 #define VIDEO_IN_TEXT N_("Video input pin")
125 #define VIDEO_IN_LONGTEXT N_( \
126 "Select the video input source, such as composite, s-video, " \
127 "or tuner. Since these settings are hardware-specfic, you should find good " \
128 "settings in the \"Device config\" area, and use those numbers here. -1 " \
129 "means that settings will not be changed.")
130 #define AUDIO_IN_TEXT N_("Audio input pin")
131 #define AUDIO_IN_LONGTEXT N_( \
132 "Select the audio input source. See the \"video input\" option." )
133 #define VIDEO_OUT_TEXT N_("Video output pin")
134 #define VIDEO_OUT_LONGTEXT N_( \
135 "Select the video output type. See the \"video input\" option." )
136 #define AUDIO_OUT_TEXT N_("Audio output pin")
137 #define AUDIO_OUT_LONGTEXT N_( \
138 "Select the audio output type. See the \"video input\" option." )
140 static int CommonOpen ( vlc_object_t *, access_sys_t *, vlc_bool_t );
141 static void CommonClose( vlc_object_t *, access_sys_t * );
143 static int AccessOpen ( vlc_object_t * );
144 static void AccessClose( vlc_object_t * );
146 static int DemuxOpen ( vlc_object_t * );
147 static void DemuxClose ( vlc_object_t * );
150 set_shortname( _("DirectShow") );
151 set_description( _("DirectShow input") );
152 set_category( CAT_INPUT );
153 set_subcategory( SUBCAT_INPUT_ACCESS );
154 add_integer( "dshow-caching", (mtime_t)(0.2*CLOCK_FREQ) / 1000, NULL,
155 CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
157 add_string( "dshow-vdev", NULL, NULL, VDEV_TEXT, VDEV_LONGTEXT, VLC_FALSE);
158 change_string_list( ppsz_vdev, ppsz_vdev_text, FindDevicesCallback );
159 change_action_add( FindDevicesCallback, N_("Refresh list") );
160 change_action_add( ConfigDevicesCallback, N_("Configure") );
162 add_string( "dshow-adev", NULL, NULL, ADEV_TEXT, ADEV_LONGTEXT, VLC_FALSE);
163 change_string_list( ppsz_adev, ppsz_adev_text, FindDevicesCallback );
164 change_action_add( FindDevicesCallback, N_("Refresh list") );
165 change_action_add( ConfigDevicesCallback, N_("Configure") );
167 add_string( "dshow-size", NULL, NULL, SIZE_TEXT, SIZE_LONGTEXT, VLC_FALSE);
169 add_string( "dshow-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT,
172 add_float( "dshow-fps", 0.0f, NULL, FPS_TEXT, FPS_LONGTEXT,
175 add_bool( "dshow-config", VLC_FALSE, NULL, CONFIG_TEXT, CONFIG_LONGTEXT,
178 add_bool( "dshow-tuner", VLC_FALSE, NULL, TUNER_TEXT, TUNER_LONGTEXT,
181 add_integer( "dshow-tuner-channel", 0, NULL, CHANNEL_TEXT,
182 CHANNEL_LONGTEXT, VLC_TRUE );
184 add_integer( "dshow-tuner-country", 0, NULL, COUNTRY_TEXT,
185 COUNTRY_LONGTEXT, VLC_TRUE );
187 add_integer( "dshow-tuner-input", 0, NULL, TUNER_INPUT_TEXT,
188 TUNER_INPUT_LONGTEXT, VLC_TRUE );
189 change_integer_list( pi_tuner_input, ppsz_tuner_input_text, 0 );
191 add_integer( "dshow-video-input", -1, NULL, VIDEO_IN_TEXT,
192 VIDEO_IN_LONGTEXT, VLC_TRUE );
194 add_integer( "dshow-audio-input", -1, NULL, AUDIO_IN_TEXT,
195 AUDIO_IN_LONGTEXT, VLC_TRUE );
197 add_integer( "dshow-video-output", -1, NULL, VIDEO_OUT_TEXT,
198 VIDEO_OUT_LONGTEXT, VLC_TRUE );
200 add_integer( "dshow-audio-output", -1, NULL, AUDIO_OUT_TEXT,
201 AUDIO_OUT_LONGTEXT, VLC_TRUE );
203 add_shortcut( "dshow" );
204 set_capability( "access_demux", 0 );
205 set_callbacks( DemuxOpen, DemuxClose );
208 set_description( _("DirectShow input") );
209 add_shortcut( "dshow" );
210 set_capability( "access2", 0 );
211 set_callbacks( AccessOpen, AccessClose );
215 /*****************************************************************************
216 * DirectShow elementary stream descriptor
217 *****************************************************************************/
218 typedef struct dshow_stream_t
221 IBaseFilter *p_device_filter;
222 CaptureFilter *p_capture_filter;
227 VIDEOINFOHEADER video;
238 /*****************************************************************************
239 * DirectShow utility functions
240 *****************************************************************************/
241 static void CreateDirectShowGraph( access_sys_t *p_sys )
243 p_sys->i_crossbar_route_depth = 0;
245 /* Create directshow filter graph */
246 if( SUCCEEDED( CoCreateInstance( CLSID_FilterGraph, 0, CLSCTX_INPROC,
247 (REFIID)IID_IFilterGraph, (void **)&p_sys->p_graph) ) )
249 /* Create directshow capture graph builder if available */
250 if( SUCCEEDED( CoCreateInstance( CLSID_CaptureGraphBuilder2, 0,
251 CLSCTX_INPROC, (REFIID)IID_ICaptureGraphBuilder2,
252 (void **)&p_sys->p_capture_graph_builder2 ) ) )
254 p_sys->p_capture_graph_builder2->
255 SetFiltergraph((IGraphBuilder *)p_sys->p_graph);
258 p_sys->p_graph->QueryInterface( IID_IMediaControl,
259 (void **)&p_sys->p_control );
263 static void DeleteDirectShowGraph( access_sys_t *p_sys )
265 DeleteCrossbarRoutes( p_sys );
267 /* Remove filters from graph */
268 for( int i = 0; i < p_sys->i_streams; i++ )
270 p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_capture_filter );
271 p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_device_filter );
272 p_sys->pp_streams[i]->p_capture_filter->Release();
273 p_sys->pp_streams[i]->p_device_filter->Release();
276 /* Release directshow objects */
277 if( p_sys->p_control )
279 p_sys->p_control->Release();
280 p_sys->p_control = NULL;
282 if( p_sys->p_capture_graph_builder2 )
284 p_sys->p_capture_graph_builder2->Release();
285 p_sys->p_capture_graph_builder2 = NULL;
290 p_sys->p_graph->Release();
291 p_sys->p_graph = NULL;
295 /*****************************************************************************
296 * CommonOpen: open direct show device
297 *****************************************************************************/
298 static int CommonOpen( vlc_object_t *p_this, access_sys_t *p_sys,
299 vlc_bool_t b_access_demux )
304 /* Get/parse options and open device(s) */
305 string vdevname, adevname;
306 int i_width = 0, i_height = 0, i_chroma = 0;
307 vlc_bool_t b_audio = VLC_TRUE;
309 var_Create( p_this, "dshow-config", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
310 var_Create( p_this, "dshow-tuner", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
311 var_Create( p_this, "dshow-vdev", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
312 var_Get( p_this, "dshow-vdev", &val );
313 if( val.psz_string ) vdevname = string( val.psz_string );
314 if( val.psz_string ) free( val.psz_string );
316 var_Create( p_this, "dshow-adev", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
317 var_Get( p_this, "dshow-adev", &val );
318 if( val.psz_string ) adevname = string( val.psz_string );
319 if( val.psz_string ) free( val.psz_string );
321 static struct {char *psz_size; int i_width; int i_height;} size_table[] =
322 { { "subqcif", 128, 96 }, { "qsif", 160, 120 }, { "qcif", 176, 144 },
323 { "sif", 320, 240 }, { "cif", 352, 288 }, { "cif", 640, 480 },
327 var_Create( p_this, "dshow-size", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
328 var_Get( p_this, "dshow-size", &val );
329 if( val.psz_string && *val.psz_string )
331 for( i = 0; size_table[i].psz_size; i++ )
333 if( !strcmp( val.psz_string, size_table[i].psz_size ) )
335 i_width = size_table[i].i_width;
336 i_height = size_table[i].i_height;
340 if( !size_table[i].psz_size ) /* Try to parse "WidthxHeight" */
343 i_width = strtol( val.psz_string, &psz_parser, 0 );
344 if( *psz_parser == 'x' || *psz_parser == 'X')
346 i_height = strtol( psz_parser + 1, &psz_parser, 0 );
348 msg_Dbg( p_this, "width x height %dx%d", i_width, i_height );
351 if( val.psz_string ) free( val.psz_string );
353 p_sys->b_chroma = VLC_FALSE;
354 var_Create( p_this, "dshow-chroma", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
355 var_Get( p_this, "dshow-chroma", &val );
356 if( val.psz_string && strlen( val.psz_string ) >= 4 )
358 i_chroma = VLC_FOURCC( val.psz_string[0], val.psz_string[1],
359 val.psz_string[2], val.psz_string[3] );
360 p_sys->b_chroma = VLC_TRUE;
362 if( val.psz_string ) free( val.psz_string );
364 var_Create( p_this, "dshow-fps", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
365 var_Create( p_this, "dshow-tuner-channel",
366 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
367 var_Create( p_this, "dshow-tuner-country",
368 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
369 var_Create( p_this, "dshow-tuner-input",
370 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
372 var_Create( p_this, "dshow-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
374 var_Create( p_this, "dshow-video-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
375 var_Create( p_this, "dshow-audio-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
376 var_Create( p_this, "dshow-video-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
377 var_Create( p_this, "dshow-audio-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
379 /* Initialize OLE/COM */
382 /* Initialize some data */
383 p_sys->i_streams = 0;
384 p_sys->pp_streams = 0;
385 p_sys->i_width = i_width;
386 p_sys->i_height = i_height;
387 p_sys->i_chroma = i_chroma;
389 p_sys->p_graph = NULL;
390 p_sys->p_capture_graph_builder2 = NULL;
391 p_sys->p_control = NULL;
393 vlc_mutex_init( p_this, &p_sys->lock );
394 vlc_cond_init( p_this, &p_sys->wait );
396 /* Build directshow graph */
397 CreateDirectShowGraph( p_sys );
399 if( OpenDevice( p_this, p_sys, vdevname, 0 ) != VLC_SUCCESS )
401 msg_Err( p_this, "can't open video");
405 /* Check if we can handle the demuxing ourselves or need to spawn
406 * a demuxer module */
407 dshow_stream_t *p_stream = p_sys->pp_streams[p_sys->i_streams-1];
409 if( p_stream->mt.majortype == MEDIATYPE_Video )
411 if( /* Raw DV stream */
412 p_stream->i_fourcc == VLC_FOURCC('d','v','s','l') ||
413 p_stream->i_fourcc == VLC_FOURCC('d','v','s','d') ||
414 p_stream->i_fourcc == VLC_FOURCC('d','v','h','d') ||
415 /* Raw MPEG video stream */
416 p_stream->i_fourcc == VLC_FOURCC('m','p','2','v') )
422 /* Let the access (only) take care of that */
428 if( p_stream->mt.majortype == MEDIATYPE_Stream )
434 /* Let the access (only) take care of that */
438 var_Get( p_this, "dshow-tuner", &val );
441 /* FIXME: we do MEDIATYPE_Stream here so we don't do
443 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
444 p_stream->p_device_filter, 0 );
449 if( b_audio && OpenDevice( p_this, p_sys, adevname, 1 ) != VLC_SUCCESS )
451 msg_Err( p_this, "can't open audio");
454 for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
456 var_Get( p_this, "dshow-video-input", &val );
458 p_sys->crossbar_routes[i].VideoInputIndex=val.i_int;
459 var_Get( p_this, "dshow-video-output", &val );
461 p_sys->crossbar_routes[i].VideoOutputIndex=val.i_int;
462 var_Get( p_this, "dshow-audio-input", &val );
464 p_sys->crossbar_routes[i].AudioInputIndex=val.i_int;
465 var_Get( p_this, "dshow-audio-output", &val );
467 p_sys->crossbar_routes[i].AudioOutputIndex=val.i_int;
469 IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
470 LONG VideoInputIndex = p_sys->crossbar_routes[i].VideoInputIndex;
471 LONG VideoOutputIndex = p_sys->crossbar_routes[i].VideoOutputIndex;
472 LONG AudioInputIndex = p_sys->crossbar_routes[i].AudioInputIndex;
473 LONG AudioOutputIndex = p_sys->crossbar_routes[i].AudioOutputIndex;
475 if( SUCCEEDED(pXbar->Route(VideoOutputIndex, VideoInputIndex)) )
477 msg_Dbg( p_this, "crossbar at depth %d, routed video "
478 "output %ld to video input %ld", i, VideoOutputIndex,
481 if( AudioOutputIndex != -1 && AudioInputIndex != -1 )
483 if( SUCCEEDED( pXbar->Route(AudioOutputIndex,
486 msg_Dbg(p_this, "crossbar at depth %d, routed audio "
487 "output %ld to audio input %ld", i,
488 AudioOutputIndex, AudioInputIndex );
495 ** Show properties pages from other filters in graph
497 var_Get( p_this, "dshow-config", &val );
500 for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
502 IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
505 if( SUCCEEDED( pXbar->QueryInterface( IID_IBaseFilter,
508 ShowPropertyPage( p_XF );
514 /* Initialize some data */
515 p_sys->i_current_stream = 0;
517 if( !p_sys->i_streams ) return VLC_EGENERIC;
522 /*****************************************************************************
523 * DemuxOpen: open direct show device as an access_demux module
524 *****************************************************************************/
525 static int DemuxOpen( vlc_object_t *p_this )
527 demux_t *p_demux = (demux_t *)p_this;
531 p_sys = (access_sys_t *)malloc( sizeof( access_sys_t ) );
532 memset( p_sys, 0, sizeof( access_sys_t ) );
533 p_demux->p_sys = (demux_sys_t *)p_sys;
535 if( CommonOpen( p_this, p_sys, VLC_TRUE ) != VLC_SUCCESS )
537 CommonClose( p_this, p_sys );
541 /* Everything is ready. Let's rock baby */
542 msg_Dbg( p_this, "Playing...");
543 p_sys->p_control->Run();
545 p_demux->pf_demux = Demux;
546 p_demux->pf_control = DemuxControl;
547 p_demux->info.i_update = 0;
548 p_demux->info.i_title = 0;
549 p_demux->info.i_seekpoint = 0;
551 for( i = 0; i < p_sys->i_streams; i++ )
553 dshow_stream_t *p_stream = p_sys->pp_streams[i];
556 if( p_stream->mt.majortype == MEDIATYPE_Video )
558 es_format_Init( &fmt, VIDEO_ES, p_stream->i_fourcc );
560 fmt.video.i_width = p_stream->header.video.bmiHeader.biWidth;
561 fmt.video.i_height = p_stream->header.video.bmiHeader.biHeight;
562 fmt.video.i_aspect = 4 * VOUT_ASPECT_FACTOR / 3;
564 if( !p_stream->header.video.bmiHeader.biCompression )
566 /* RGB DIB are coded from bottom to top */
567 fmt.video.i_height = (unsigned int)(-(int)fmt.video.i_height);
570 /* Setup rgb mask for RGB formats */
571 if( p_stream->i_fourcc == VLC_FOURCC('R','V','2','4') )
573 /* This is in BGR format */
574 fmt.video.i_bmask = 0x00ff0000;
575 fmt.video.i_gmask = 0x0000ff00;
576 fmt.video.i_rmask = 0x000000ff;
579 if( p_stream->header.video.AvgTimePerFrame )
581 fmt.video.i_frame_rate = 10000000;
582 fmt.video.i_frame_rate_base =
583 p_stream->header.video.AvgTimePerFrame;
586 else if( p_stream->mt.majortype == MEDIATYPE_Audio )
588 es_format_Init( &fmt, AUDIO_ES, p_stream->i_fourcc );
590 fmt.audio.i_channels = p_stream->header.audio.nChannels;
591 fmt.audio.i_rate = p_stream->header.audio.nSamplesPerSec;
592 fmt.audio.i_bitspersample = p_stream->header.audio.wBitsPerSample;
593 fmt.audio.i_blockalign = fmt.audio.i_channels *
594 fmt.audio.i_bitspersample / 8;
595 fmt.i_bitrate = fmt.audio.i_channels * fmt.audio.i_rate *
596 fmt.audio.i_bitspersample;
599 p_stream->p_es = es_out_Add( p_demux->out, &fmt );
605 /*****************************************************************************
606 * AccessOpen: open direct show device as an access module
607 *****************************************************************************/
608 static int AccessOpen( vlc_object_t *p_this )
610 access_t *p_access = (access_t*)p_this;
613 p_access->p_sys = p_sys = (access_sys_t *)malloc( sizeof( access_sys_t ) );
614 memset( p_sys, 0, sizeof( access_sys_t ) );
616 if( CommonOpen( p_this, p_sys, VLC_FALSE ) != VLC_SUCCESS )
618 CommonClose( p_this, p_sys );
622 dshow_stream_t *p_stream = p_sys->pp_streams[0];
624 /* Check if we need to force demuxers */
625 if( !p_access->psz_demux || !*p_access->psz_demux )
627 if( p_stream->i_fourcc == VLC_FOURCC('d','v','s','l') ||
628 p_stream->i_fourcc == VLC_FOURCC('d','v','s','d') ||
629 p_stream->i_fourcc == VLC_FOURCC('d','v','h','d') )
631 p_access->psz_demux = strdup( "rawdv" );
633 else if( p_stream->i_fourcc == VLC_FOURCC('m','p','2','v') )
635 p_access->psz_demux = "mpgv";
640 p_access->pf_read = NULL;
641 p_access->pf_block = ReadCompressed;
642 p_access->pf_control = AccessControl;
643 p_access->pf_seek = NULL;
644 p_access->info.i_update = 0;
645 p_access->info.i_size = 0;
646 p_access->info.i_pos = 0;
647 p_access->info.b_eof = VLC_FALSE;
648 p_access->info.i_title = 0;
649 p_access->info.i_seekpoint = 0;
650 p_access->p_sys = p_sys;
652 /* Everything is ready. Let's rock baby */
653 msg_Dbg( p_this, "Playing...");
654 p_sys->p_control->Run();
659 /*****************************************************************************
660 * CommonClose: close device
661 *****************************************************************************/
662 static void CommonClose( vlc_object_t *p_this, access_sys_t *p_sys )
664 msg_Dbg( p_this, "releasing DirectShow");
666 DeleteDirectShowGraph( p_sys );
668 /* Uninitialize OLE/COM */
671 for( int i = 0; i < p_sys->i_streams; i++ ) delete p_sys->pp_streams[i];
672 if( p_sys->i_streams ) free( p_sys->pp_streams );
674 vlc_mutex_destroy( &p_sys->lock );
675 vlc_cond_destroy( &p_sys->wait );
680 /*****************************************************************************
681 * AccessClose: close device
682 *****************************************************************************/
683 static void AccessClose( vlc_object_t *p_this )
685 access_t *p_access = (access_t *)p_this;
686 access_sys_t *p_sys = p_access->p_sys;
688 /* Stop capturing stuff */
689 p_sys->p_control->Stop();
691 CommonClose( p_this, p_sys );
694 /*****************************************************************************
695 * DemuxClose: close device
696 *****************************************************************************/
697 static void DemuxClose( vlc_object_t *p_this )
699 demux_t *p_demux = (demux_t *)p_this;
700 access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
702 /* Stop capturing stuff */
703 p_sys->p_control->Stop();
705 CommonClose( p_this, p_sys );
708 /****************************************************************************
710 ****************************************************************************/
711 static bool ConnectFilters( vlc_object_t *p_this, access_sys_t *p_sys,
712 IBaseFilter *p_filter,
713 CaptureFilter *p_capture_filter )
715 CapturePin *p_input_pin = p_capture_filter->CustomGetPin();
717 AM_MEDIA_TYPE mediaType = p_input_pin->CustomGetMediaType();
719 if( p_sys->p_capture_graph_builder2 )
721 if( FAILED(p_sys->p_capture_graph_builder2->
722 RenderStream( &PIN_CATEGORY_CAPTURE, &mediaType.majortype,
723 p_filter, 0, (IBaseFilter *)p_capture_filter )) )
728 // Sort out all the possible video inputs
729 // The class needs to be given the capture filters ANALOGVIDEO input pin
731 if( ( mediaType.majortype == MEDIATYPE_Video ||
732 mediaType.majortype == MEDIATYPE_Stream ) &&
733 SUCCEEDED(p_filter->EnumPins(&pins)) )
739 IKsPropertySet *pKs=0;
743 while( !Found && ( S_OK == pins->Next(1, &pP, &n) ) )
745 if( S_OK == pP->QueryPinInfo(&pinInfo) )
747 // is this pin an ANALOGVIDEOIN input pin?
748 if( pinInfo.dir == PINDIR_INPUT &&
749 pP->QueryInterface( IID_IKsPropertySet,
750 (void **)&pKs ) == S_OK )
752 if( pKs->Get( AMPROPSETID_Pin,
753 AMPROPERTY_PIN_CATEGORY, NULL, 0,
754 &guid, sizeof(GUID), &dw ) == S_OK )
756 if( guid == PIN_CATEGORY_ANALOGVIDEOIN )
758 // recursively search crossbar routes
759 FindCrossbarRoutes( p_this, p_sys, pP, 0 );
766 pinInfo.pFilter->Release();
776 IEnumPins *p_enumpins;
779 if( S_OK != p_filter->EnumPins( &p_enumpins ) ) return false;
781 while( S_OK == p_enumpins->Next( 1, &p_pin, NULL ) )
783 PIN_DIRECTION pin_dir;
784 p_pin->QueryDirection( &pin_dir );
786 if( pin_dir == PINDIR_OUTPUT &&
787 p_sys->p_graph->ConnectDirect( p_pin, (IPin *)p_input_pin,
791 p_enumpins->Release();
797 p_enumpins->Release();
803 * get fourcc priority from arbritary preference, the higher the better
805 static int GetFourCCPriority( int i_fourcc )
809 case VLC_FOURCC('I','4','2','0'):
810 case VLC_FOURCC('f','l','3','2'):
812 case VLC_FOURCC('Y','V','1','2'):
813 case VLC_FOURCC('a','r','a','w'):
815 case VLC_FOURCC('R','V','2','4'):
817 case VLC_FOURCC('Y','U','Y','2'):
818 case VLC_FOURCC('R','V','3','2'):
819 case VLC_FOURCC('R','G','B','A'):
826 #define MAX_MEDIA_TYPES 32
828 static int OpenDevice( vlc_object_t *p_this, access_sys_t *p_sys,
829 string devicename, vlc_bool_t b_audio )
831 /* See if device is already opened */
832 for( int i = 0; i < p_sys->i_streams; i++ )
834 if( devicename.size() &&
835 p_sys->pp_streams[i]->devicename == devicename )
842 list<string> list_devices;
844 /* Enumerate devices and display their names */
845 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
847 if( !list_devices.size() )
850 list<string>::iterator iter;
851 for( iter = list_devices.begin(); iter != list_devices.end(); iter++ )
852 msg_Dbg( p_this, "found device: %s", iter->c_str() );
854 /* If no device name was specified, pick the 1st one */
855 if( devicename.size() == 0 )
857 devicename = *list_devices.begin();
860 // Use the system device enumerator and class enumerator to find
861 // a capture/preview device, such as a desktop USB video camera.
862 IBaseFilter *p_device_filter =
863 FindCaptureDevice( p_this, &devicename, 0, b_audio );
864 if( p_device_filter )
865 msg_Dbg( p_this, "using device: %s", devicename.c_str() );
868 msg_Err( p_this, "can't use device: %s, unsupported device type",
869 devicename.c_str() );
873 // Retreive acceptable media types supported by device
874 AM_MEDIA_TYPE media_types[MAX_MEDIA_TYPES];
876 EnumDeviceCaps( p_this, p_device_filter, p_sys->i_chroma,
877 p_sys->i_width, p_sys->i_height,
878 0, 0, 0, media_types, MAX_MEDIA_TYPES );
880 AM_MEDIA_TYPE *mt = NULL;
882 if( media_count > 0 )
884 mt = (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE) * media_count);
886 // Order and copy returned media types according to arbitrary
888 for( size_t c = 0; c < media_count; c++ )
891 GetFourCCPriority(GetFourCCFromMediaType(media_types[c]));
892 size_t slot_copy = c;
893 for( size_t d = c+1; d < media_count; d++ )
896 GetFourCCPriority(GetFourCCFromMediaType(media_types[d]));
897 if( priority > slot_priority )
899 slot_priority = priority;
905 mt[c] = media_types[slot_copy];
906 media_types[slot_copy] = media_types[c];
910 mt[c] = media_types[c];
916 msg_Err( p_this, "capture device '%s' does not support required parameters !", devicename.c_str() );
917 p_device_filter->Release();
921 /* Create and add our capture filter */
922 CaptureFilter *p_capture_filter =
923 new CaptureFilter( p_this, p_sys, mt, media_count );
924 p_sys->p_graph->AddFilter( p_capture_filter, 0 );
926 /* Add the device filter to the graph (seems necessary with VfW before
927 * accessing pin attributes). */
928 p_sys->p_graph->AddFilter( p_device_filter, 0 );
930 /* Attempt to connect one of this device's capture output pins */
931 msg_Dbg( p_this, "connecting filters" );
932 if( ConnectFilters( p_this, p_sys, p_device_filter, p_capture_filter ) )
935 msg_Dbg( p_this, "filters connected successfully !" );
937 dshow_stream_t dshow_stream;
938 dshow_stream.b_pts = VLC_FALSE;
939 dshow_stream.p_es = 0;
941 p_capture_filter->CustomGetPin()->CustomGetMediaType();
943 /* Show Device properties. Done here so the VLC stream is setup with
944 * the proper parameters. */
946 var_Get( p_this, "dshow-config", &val );
949 ShowDeviceProperties( p_this, p_sys->p_capture_graph_builder2,
950 p_device_filter, b_audio );
953 ConfigTuner( p_this, p_sys->p_capture_graph_builder2,
956 var_Get( p_this, "dshow-tuner", &val );
957 if( val.b_bool && dshow_stream.mt.majortype != MEDIATYPE_Stream )
959 /* FIXME: we do MEDIATYPE_Stream later so we don't do it twice. */
960 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
961 p_device_filter, b_audio );
965 p_capture_filter->CustomGetPin()->CustomGetMediaType();
967 dshow_stream.i_fourcc = GetFourCCFromMediaType( dshow_stream.mt );
968 if( dshow_stream.i_fourcc )
970 if( dshow_stream.mt.majortype == MEDIATYPE_Video )
972 dshow_stream.header.video =
973 *(VIDEOINFOHEADER *)dshow_stream.mt.pbFormat;
974 msg_Dbg( p_this, "MEDIATYPE_Video" );
975 msg_Dbg( p_this, "selected video pin accepts format: %4.4s",
976 (char *)&dshow_stream.i_fourcc);
978 else if( dshow_stream.mt.majortype == MEDIATYPE_Audio )
980 dshow_stream.header.audio =
981 *(WAVEFORMATEX *)dshow_stream.mt.pbFormat;
982 msg_Dbg( p_this, "MEDIATYPE_Audio" );
983 msg_Dbg( p_this, "selected audio pin accepts format: %4.4s",
984 (char *)&dshow_stream.i_fourcc);
986 else if( dshow_stream.mt.majortype == MEDIATYPE_Stream )
988 msg_Dbg( p_this, "MEDIATYPE_Stream" );
989 msg_Dbg( p_this, "selected stream pin accepts format: %4.4s",
990 (char *)&dshow_stream.i_fourcc);
994 msg_Dbg( p_this, "unknown stream majortype" );
998 /* Add directshow elementary stream to our list */
999 dshow_stream.p_device_filter = p_device_filter;
1000 dshow_stream.p_capture_filter = p_capture_filter;
1002 p_sys->pp_streams = (dshow_stream_t **)realloc( p_sys->pp_streams,
1003 sizeof(dshow_stream_t *) * (p_sys->i_streams + 1) );
1004 p_sys->pp_streams[p_sys->i_streams] = new dshow_stream_t;
1005 *p_sys->pp_streams[p_sys->i_streams++] = dshow_stream;
1012 /* Remove filters from graph */
1013 p_sys->p_graph->RemoveFilter( p_device_filter );
1014 p_sys->p_graph->RemoveFilter( p_capture_filter );
1016 /* Release objects */
1017 p_device_filter->Release();
1018 p_capture_filter->Release();
1020 return VLC_EGENERIC;
1023 static IBaseFilter *
1024 FindCaptureDevice( vlc_object_t *p_this, string *p_devicename,
1025 list<string> *p_listdevices, vlc_bool_t b_audio )
1027 IBaseFilter *p_base_filter = NULL;
1028 IMoniker *p_moniker = NULL;
1032 /* Create the system device enumerator */
1033 ICreateDevEnum *p_dev_enum = NULL;
1035 hr = CoCreateInstance( CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
1036 IID_ICreateDevEnum, (void **)&p_dev_enum );
1039 msg_Err( p_this, "failed to create the device enumerator (0x%lx)", hr);
1043 /* Create an enumerator for the video capture devices */
1044 IEnumMoniker *p_class_enum = NULL;
1046 hr = p_dev_enum->CreateClassEnumerator( CLSID_VideoInputDeviceCategory,
1049 hr = p_dev_enum->CreateClassEnumerator( CLSID_AudioInputDeviceCategory,
1051 p_dev_enum->Release();
1054 msg_Err( p_this, "failed to create the class enumerator (0x%lx)", hr );
1058 /* If there are no enumerators for the requested type, then
1059 * CreateClassEnumerator will succeed, but p_class_enum will be NULL */
1060 if( p_class_enum == NULL )
1062 msg_Err( p_this, "no capture device was detected" );
1066 /* Enumerate the devices */
1068 /* Note that if the Next() call succeeds but there are no monikers,
1069 * it will return S_FALSE (which is not a failure). Therefore, we check
1070 * that the return code is S_OK instead of using SUCCEEDED() macro. */
1072 while( p_class_enum->Next( 1, &p_moniker, &i_fetched ) == S_OK )
1074 /* Getting the property page to get the device name */
1075 IPropertyBag *p_bag;
1076 hr = p_moniker->BindToStorage( 0, 0, IID_IPropertyBag,
1082 hr = p_bag->Read( L"FriendlyName", &var, NULL );
1086 int i_convert = WideCharToMultiByte(CP_ACP, 0, var.bstrVal,
1087 SysStringLen(var.bstrVal), NULL, 0, NULL, NULL);
1088 char *p_buf = (char *)alloca( i_convert+1 ); p_buf[0] = 0;
1089 WideCharToMultiByte( CP_ACP, 0, var.bstrVal,
1090 SysStringLen(var.bstrVal), p_buf, i_convert, NULL, NULL );
1091 SysFreeString(var.bstrVal);
1092 p_buf[i_convert] = '\0';
1094 if( p_listdevices ) p_listdevices->push_back( p_buf );
1096 if( p_devicename && *p_devicename == string(p_buf) )
1098 /* Bind Moniker to a filter object */
1099 hr = p_moniker->BindToObject( 0, 0, IID_IBaseFilter,
1100 (void **)&p_base_filter );
1103 msg_Err( p_this, "couldn't bind moniker to filter "
1104 "object (0x%lx)", hr );
1105 p_moniker->Release();
1106 p_class_enum->Release();
1109 p_moniker->Release();
1110 p_class_enum->Release();
1111 return p_base_filter;
1116 p_moniker->Release();
1119 p_class_enum->Release();
1123 static size_t EnumDeviceCaps( vlc_object_t *p_this, IBaseFilter *p_filter,
1124 int i_fourcc, int i_width, int i_height,
1125 int i_channels, int i_samplespersec,
1126 int i_bitspersample, AM_MEDIA_TYPE *mt,
1129 IEnumPins *p_enumpins;
1131 IEnumMediaTypes *p_enummt;
1132 size_t mt_count = 0;
1134 LONGLONG i_AvgTimePerFrame = 0;
1135 float r_fps = var_GetFloat( p_this, "dshow-fps" );
1137 i_AvgTimePerFrame = 10000000000LL/(LONGLONG)(r_fps*1000.0f);
1139 if( FAILED(p_filter->EnumPins( &p_enumpins )) )
1141 msg_Dbg( p_this, "EnumDeviceCaps failed: no pin enumeration !");
1145 while( S_OK == p_enumpins->Next( 1, &p_output_pin, NULL ) )
1149 if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1151 msg_Dbg( p_this, "EnumDeviceCaps: %s pin: %S",
1152 info.dir == PINDIR_INPUT ? "input" : "output",
1154 if( info.pFilter ) info.pFilter->Release();
1157 p_output_pin->Release();
1160 p_enumpins->Reset();
1162 while( !mt_count && p_enumpins->Next( 1, &p_output_pin, NULL ) == S_OK )
1166 if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1168 if( info.pFilter ) info.pFilter->Release();
1169 if( info.dir == PINDIR_INPUT )
1171 p_output_pin->Release();
1174 msg_Dbg( p_this, "EnumDeviceCaps: trying pin %S", info.achName );
1177 AM_MEDIA_TYPE *p_mt;
1180 ** Configure pin with a default compatible media if possible
1183 IAMStreamConfig *pSC;
1184 if( SUCCEEDED(p_output_pin->QueryInterface( IID_IAMStreamConfig,
1187 int piCount, piSize;
1188 if( SUCCEEDED(pSC->GetNumberOfCapabilities(&piCount, &piSize)) )
1190 BYTE *pSCC= (BYTE *)CoTaskMemAlloc(piSize);
1193 int i_priority = -1;
1194 for( int i=0; i<piCount; ++i )
1196 if( SUCCEEDED(pSC->GetStreamCaps(i, &p_mt, pSCC)) )
1198 int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1199 int i_current_priority = GetFourCCPriority(i_current_fourcc);
1201 if( !i_current_fourcc
1202 || (i_fourcc && (i_current_fourcc != i_fourcc))
1203 || (i_priority > i_current_priority) )
1205 // incompatible or unwanted chroma, try next media type
1206 FreeMediaType( *p_mt );
1207 CoTaskMemFree( (PVOID)p_mt );
1211 if( MEDIATYPE_Video == p_mt->majortype
1212 && FORMAT_VideoInfo == p_mt->formattype )
1214 VIDEO_STREAM_CONFIG_CAPS *pVSCC = reinterpret_cast<VIDEO_STREAM_CONFIG_CAPS*>(pSCC);
1215 VIDEOINFOHEADER *pVih = reinterpret_cast<VIDEOINFOHEADER*>(p_mt->pbFormat);
1217 if( i_AvgTimePerFrame )
1219 if( pVSCC->MinFrameInterval > i_AvgTimePerFrame
1220 || i_AvgTimePerFrame > pVSCC->MaxFrameInterval )
1222 // required frame rate not compatible, try next media type
1223 FreeMediaType( *p_mt );
1224 CoTaskMemFree( (PVOID)p_mt );
1227 pVih->AvgTimePerFrame = i_AvgTimePerFrame;
1232 if( i_width % pVSCC->OutputGranularityX
1233 || pVSCC->MinOutputSize.cx > i_width
1234 || i_width > pVSCC->MaxOutputSize.cx )
1236 // required width not compatible, try next media type
1237 FreeMediaType( *p_mt );
1238 CoTaskMemFree( (PVOID)p_mt );
1241 pVih->bmiHeader.biWidth = i_width;
1246 if( i_height % pVSCC->OutputGranularityY
1247 || pVSCC->MinOutputSize.cy > i_height
1248 || i_height > pVSCC->MaxOutputSize.cy )
1250 // required height not compatible, try next media type
1251 FreeMediaType( *p_mt );
1252 CoTaskMemFree( (PVOID)p_mt );
1255 pVih->bmiHeader.biHeight = i_height;
1258 // Set the sample size and image size.
1259 // (Round the image width up to a DWORD boundary.)
1260 p_mt->lSampleSize = pVih->bmiHeader.biSizeImage =
1261 ((pVih->bmiHeader.biWidth + 3) & ~3) *
1262 pVih->bmiHeader.biHeight * (pVih->bmiHeader.biBitCount>>3);
1264 // no cropping, use full video input buffer
1265 memset(&(pVih->rcSource), 0, sizeof(RECT));
1266 memset(&(pVih->rcTarget), 0, sizeof(RECT));
1268 // select this format as default
1269 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1271 i_priority = i_current_priority;
1273 // no need to check any more media types
1277 else if( p_mt->majortype == MEDIATYPE_Audio
1278 && p_mt->formattype == FORMAT_WaveFormatEx )
1280 AUDIO_STREAM_CONFIG_CAPS *pASCC = reinterpret_cast<AUDIO_STREAM_CONFIG_CAPS*>(pSCC);
1281 WAVEFORMATEX *pWfx = reinterpret_cast<WAVEFORMATEX*>(p_mt->pbFormat);
1285 if( i_channels % pASCC->ChannelsGranularity
1286 || (unsigned int)i_channels < pASCC->MinimumChannels
1287 || (unsigned int)i_channels > pASCC->MaximumChannels )
1289 // required channels not compatible, try next media type
1290 FreeMediaType( *p_mt );
1291 CoTaskMemFree( (PVOID)p_mt );
1294 pWfx->nChannels = i_channels;
1297 if( i_samplespersec )
1299 if( i_samplespersec % pASCC->BitsPerSampleGranularity
1300 || (unsigned int)i_samplespersec < pASCC->MinimumSampleFrequency
1301 || (unsigned int)i_samplespersec > pASCC->MaximumSampleFrequency )
1303 // required sampling rate not compatible, try next media type
1304 FreeMediaType( *p_mt );
1305 CoTaskMemFree( (PVOID)p_mt );
1308 pWfx->nSamplesPerSec = i_samplespersec;
1311 if( i_bitspersample )
1313 if( i_bitspersample % pASCC->BitsPerSampleGranularity
1314 || (unsigned int)i_bitspersample < pASCC->MinimumBitsPerSample
1315 || (unsigned int)i_bitspersample > pASCC->MaximumBitsPerSample )
1317 // required sample size not compatible, try next media type
1318 FreeMediaType( *p_mt );
1319 CoTaskMemFree( (PVOID)p_mt );
1322 pWfx->wBitsPerSample = i_bitspersample;
1325 // select this format as default
1326 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1328 i_priority = i_current_priority;
1330 // no need to check any more media types
1334 FreeMediaType( *p_mt );
1335 CoTaskMemFree( (PVOID)p_mt );
1338 CoTaskMemFree( (LPVOID)pSCC );
1339 if( i_priority >= 0 )
1340 msg_Dbg( p_this, "EnumDeviceCaps: input pin default format configured");
1347 ** Probe pin for available medias (may be a previously configured one)
1350 if( FAILED( p_output_pin->EnumMediaTypes( &p_enummt ) ) )
1352 p_output_pin->Release();
1356 while( p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1358 int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1359 if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Video
1360 && p_mt->formattype == FORMAT_VideoInfo )
1362 int i_current_width = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1363 int i_current_height = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1364 LONGLONG i_current_atpf = ((VIDEOINFOHEADER *)p_mt->pbFormat)->AvgTimePerFrame;
1366 if( i_current_height < 0 )
1367 i_current_height = -i_current_height;
1369 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1370 "accepts chroma: %4.4s, width:%i, height:%i, fps:%f",
1371 (char *)&i_current_fourcc, i_current_width,
1372 i_current_height, (10000000.0f/((float)i_current_atpf)) );
1374 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1375 ( !i_width || i_width == i_current_width ) &&
1376 ( !i_height || i_height == i_current_height ) &&
1377 ( !i_AvgTimePerFrame || i_AvgTimePerFrame == i_current_atpf ) &&
1381 mt[mt_count++] = *p_mt;
1383 else FreeMediaType( *p_mt );
1385 else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Audio
1386 && p_mt->formattype == FORMAT_WaveFormatEx)
1388 int i_current_channels =
1389 ((WAVEFORMATEX *)p_mt->pbFormat)->nChannels;
1390 int i_current_samplespersec =
1391 ((WAVEFORMATEX *)p_mt->pbFormat)->nSamplesPerSec;
1392 int i_current_bitspersample =
1393 ((WAVEFORMATEX *)p_mt->pbFormat)->wBitsPerSample;
1395 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1396 "accepts format: %4.4s, channels:%i, "
1397 "samples/sec:%i bits/sample:%i",
1398 (char *)&i_current_fourcc, i_current_channels,
1399 i_current_samplespersec, i_current_bitspersample);
1401 if( (!i_channels || i_channels == i_current_channels) &&
1402 (!i_samplespersec ||
1403 i_samplespersec == i_current_samplespersec) &&
1404 (!i_bitspersample ||
1405 i_bitspersample == i_current_bitspersample) &&
1409 mt[mt_count++] = *p_mt;
1411 /* Setup a few properties like the audio latency */
1412 IAMBufferNegotiation *p_ambuf;
1413 if( SUCCEEDED( p_output_pin->QueryInterface(
1414 IID_IAMBufferNegotiation, (void **)&p_ambuf ) ) )
1416 ALLOCATOR_PROPERTIES AllocProp;
1417 AllocProp.cbAlign = -1;
1419 /* 100 ms of latency */
1420 AllocProp.cbBuffer = i_current_channels *
1421 i_current_samplespersec *
1422 i_current_bitspersample / 8 / 10;
1424 AllocProp.cbPrefix = -1;
1425 AllocProp.cBuffers = -1;
1426 p_ambuf->SuggestAllocatorProperties( &AllocProp );
1430 else FreeMediaType( *p_mt );
1432 else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Stream )
1434 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1435 "accepts stream format: %4.4s",
1436 (char *)&i_current_fourcc );
1438 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1442 mt[mt_count++] = *p_mt;
1443 i_fourcc = i_current_fourcc;
1445 else FreeMediaType( *p_mt );
1449 char *psz_type = "unknown";
1450 if( p_mt->majortype == MEDIATYPE_Video ) psz_type = "video";
1451 if( p_mt->majortype == MEDIATYPE_Audio ) psz_type = "audio";
1452 if( p_mt->majortype == MEDIATYPE_Stream ) psz_type = "stream";
1453 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: unknown format "
1454 "(%s %4.4s)", psz_type, (char *)&p_mt->subtype );
1455 FreeMediaType( *p_mt );
1457 CoTaskMemFree( (PVOID)p_mt );
1460 p_enummt->Release();
1461 p_output_pin->Release();
1464 p_enumpins->Release();
1468 /*****************************************************************************
1469 * ReadCompressed: reads compressed (MPEG/DV) data from the device.
1470 *****************************************************************************
1471 * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
1473 *****************************************************************************/
1474 static block_t *ReadCompressed( access_t *p_access )
1476 access_sys_t *p_sys = p_access->p_sys;
1477 dshow_stream_t *p_stream = NULL;
1478 VLCMediaSample sample;
1480 /* Read 1 DV/MPEG frame (they contain the video and audio data) */
1482 /* There must be only 1 elementary stream to produce a valid stream
1483 * of MPEG or DV data */
1484 p_stream = p_sys->pp_streams[0];
1488 if( p_access->b_die || p_access->b_error ) return 0;
1490 /* Get new sample/frame from the elementary stream (blocking). */
1491 vlc_mutex_lock( &p_sys->lock );
1493 if( p_stream->p_capture_filter->CustomGetPin()
1494 ->CustomGetSample( &sample ) != S_OK )
1496 /* No data available. Wait until some data has arrived */
1497 vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1498 vlc_mutex_unlock( &p_sys->lock );
1502 vlc_mutex_unlock( &p_sys->lock );
1509 int i_data_size = sample.p_sample->GetActualDataLength();
1511 if( !i_data_size || !(p_block = block_New( p_access, i_data_size )) )
1513 sample.p_sample->Release();
1517 sample.p_sample->GetPointer( &p_data );
1518 p_access->p_vlc->pf_memcpy( p_block->p_buffer, p_data, i_data_size );
1519 sample.p_sample->Release();
1521 /* The caller got what he wanted */
1525 return 0; /* never reached */
1528 /****************************************************************************
1530 ****************************************************************************/
1531 static int Demux( demux_t *p_demux )
1533 access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
1534 dshow_stream_t *p_stream = NULL;
1535 VLCMediaSample sample;
1536 int i_data_size, i_stream;
1540 vlc_mutex_lock( &p_sys->lock );
1542 /* Try to grab an audio sample (audio has a higher priority) */
1543 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1545 p_stream = p_sys->pp_streams[i_stream];
1546 if( p_stream->mt.majortype == MEDIATYPE_Audio &&
1547 p_stream->p_capture_filter &&
1548 p_stream->p_capture_filter->CustomGetPin()
1549 ->CustomGetSample( &sample ) == S_OK )
1554 /* Try to grab a video sample */
1555 if( i_stream == p_sys->i_streams )
1557 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1559 p_stream = p_sys->pp_streams[i_stream];
1560 if( p_stream->p_capture_filter &&
1561 p_stream->p_capture_filter->CustomGetPin()
1562 ->CustomGetSample( &sample ) == S_OK )
1569 vlc_mutex_unlock( &p_sys->lock );
1571 if( i_stream == p_sys->i_streams )
1573 /* Sleep so we do not consume all the cpu, 10ms seems
1574 * like a good value (100fps) */
1582 i_data_size = sample.p_sample->GetActualDataLength();
1583 sample.p_sample->GetPointer( &p_data );
1585 REFERENCE_TIME i_pts, i_end_date;
1586 HRESULT hr = sample.p_sample->GetTime( &i_pts, &i_end_date );
1587 if( hr != VFW_S_NO_STOP_TIME && hr != S_OK ) i_pts = 0;
1591 if( p_stream->mt.majortype == MEDIATYPE_Video || !p_stream->b_pts )
1593 /* Use our data timestamp */
1594 i_pts = sample.i_timestamp;
1595 p_stream->b_pts = VLC_TRUE;
1599 i_pts /= 10; /* Dshow works with 100 nano-seconds resolution */
1602 msg_Dbg( p_demux, "Read() stream: %i, size: %i, PTS: "I64Fd,
1603 i_stream, i_data_size, i_pts );
1606 p_block = block_New( p_demux, i_data_size );
1607 p_demux->p_vlc->pf_memcpy( p_block->p_buffer, p_data, i_data_size );
1608 p_block->i_pts = p_block->i_dts = i_pts;
1609 sample.p_sample->Release();
1611 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_pts > 0 ? i_pts : 0 );
1612 es_out_Send( p_demux->out, p_stream->p_es, p_block );
1617 /*****************************************************************************
1619 *****************************************************************************/
1620 static int AccessControl( access_t *p_access, int i_query, va_list args )
1622 vlc_bool_t *pb_bool;
1629 case ACCESS_CAN_SEEK:
1630 case ACCESS_CAN_FASTSEEK:
1631 case ACCESS_CAN_PAUSE:
1632 case ACCESS_CAN_CONTROL_PACE:
1633 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
1634 *pb_bool = VLC_FALSE;
1638 case ACCESS_GET_MTU:
1639 pi_int = (int*)va_arg( args, int * );
1643 case ACCESS_GET_PTS_DELAY:
1644 pi_64 = (int64_t*)va_arg( args, int64_t * );
1645 *pi_64 = (int64_t)var_GetInteger( p_access, "dshow-caching" ) * 1000;
1649 case ACCESS_SET_PAUSE_STATE:
1650 case ACCESS_GET_TITLE_INFO:
1651 case ACCESS_SET_TITLE:
1652 case ACCESS_SET_SEEKPOINT:
1653 case ACCESS_SET_PRIVATE_ID_STATE:
1654 return VLC_EGENERIC;
1657 msg_Warn( p_access, "unimplemented query in control" );
1658 return VLC_EGENERIC;
1664 /****************************************************************************
1666 ****************************************************************************/
1667 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
1674 /* Special for access_demux */
1675 case DEMUX_CAN_PAUSE:
1676 case DEMUX_SET_PAUSE_STATE:
1677 case DEMUX_CAN_CONTROL_PACE:
1678 pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
1682 case DEMUX_GET_PTS_DELAY:
1683 pi64 = (int64_t*)va_arg( args, int64_t * );
1684 *pi64 = (int64_t)var_GetInteger( p_demux, "dshow-caching" ) * 1000;
1687 case DEMUX_GET_TIME:
1688 pi64 = (int64_t*)va_arg( args, int64_t * );
1692 /* TODO implement others */
1694 return VLC_EGENERIC;
1697 return VLC_EGENERIC;
1700 /*****************************************************************************
1701 * config variable callback
1702 *****************************************************************************/
1703 static int FindDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1704 vlc_value_t newval, vlc_value_t oldval, void * )
1706 module_config_t *p_item;
1707 vlc_bool_t b_audio = VLC_FALSE;
1710 p_item = config_FindConfig( p_this, psz_name );
1711 if( !p_item ) return VLC_SUCCESS;
1713 if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = VLC_TRUE;
1715 /* Clear-up the current list */
1716 if( p_item->i_list )
1718 /* Keep the 2 first entries */
1719 for( i = 2; i < p_item->i_list; i++ )
1721 free( p_item->ppsz_list[i] );
1722 free( p_item->ppsz_list_text[i] );
1724 /* TODO: Remove when no more needed */
1725 p_item->ppsz_list[i] = NULL;
1726 p_item->ppsz_list_text[i] = NULL;
1730 /* Find list of devices */
1731 list<string> list_devices;
1733 /* Initialize OLE/COM */
1736 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1738 /* Uninitialize OLE/COM */
1741 if( !list_devices.size() ) return VLC_SUCCESS;
1744 (char **)realloc( p_item->ppsz_list,
1745 (list_devices.size()+3) * sizeof(char *) );
1746 p_item->ppsz_list_text =
1747 (char **)realloc( p_item->ppsz_list_text,
1748 (list_devices.size()+3) * sizeof(char *) );
1750 list<string>::iterator iter;
1751 for( iter = list_devices.begin(), i = 2; iter != list_devices.end();
1754 p_item->ppsz_list[i] = strdup( iter->c_str() );
1755 p_item->ppsz_list_text[i] = NULL;
1758 p_item->ppsz_list[i] = NULL;
1759 p_item->ppsz_list_text[i] = NULL;
1761 /* Signal change to the interface */
1762 p_item->b_dirty = VLC_TRUE;
1767 static int ConfigDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1768 vlc_value_t newval, vlc_value_t oldval, void * )
1770 module_config_t *p_item;
1771 vlc_bool_t b_audio = VLC_FALSE;
1773 /* Initialize OLE/COM */
1776 p_item = config_FindConfig( p_this, psz_name );
1777 if( !p_item ) return VLC_SUCCESS;
1779 if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = VLC_TRUE;
1783 if( newval.psz_string && *newval.psz_string )
1785 devicename = newval.psz_string;
1789 /* If no device name was specified, pick the 1st one */
1790 list<string> list_devices;
1792 /* Enumerate devices */
1793 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1794 if( !list_devices.size() ) return VLC_EGENERIC;
1795 devicename = *list_devices.begin();
1798 IBaseFilter *p_device_filter =
1799 FindCaptureDevice( p_this, &devicename, NULL, b_audio );
1800 if( p_device_filter )
1802 ShowPropertyPage( p_device_filter );
1806 /* Uninitialize OLE/COM */
1809 msg_Err( p_this, "didn't find device: %s", devicename.c_str() );
1810 return VLC_EGENERIC;
1813 /* Uninitialize OLE/COM */
1819 /*****************************************************************************
1821 *****************************************************************************/
1822 static void ShowPropertyPage( IUnknown *obj )
1824 ISpecifyPropertyPages *p_spec;
1827 HRESULT hr = obj->QueryInterface( IID_ISpecifyPropertyPages,
1829 if( FAILED(hr) ) return;
1831 if( SUCCEEDED(p_spec->GetPages( &cauuid )) )
1833 if( cauuid.cElems > 0 )
1835 HWND hwnd_desktop = ::GetDesktopWindow();
1837 OleCreatePropertyFrame( hwnd_desktop, 30, 30, NULL, 1, &obj,
1838 cauuid.cElems, cauuid.pElems, 0, 0, NULL );
1840 CoTaskMemFree( cauuid.pElems );
1846 static void ShowDeviceProperties( vlc_object_t *p_this,
1847 ICaptureGraphBuilder2 *p_graph,
1848 IBaseFilter *p_device_filter,
1849 vlc_bool_t b_audio )
1852 msg_Dbg( p_this, "Configuring Device Properties" );
1855 * Video or audio capture filter page
1857 ShowPropertyPage( p_device_filter );
1862 if( p_graph && b_audio )
1864 IAMStreamConfig *p_SC;
1866 msg_Dbg( p_this, "Showing WDM Audio Configuration Pages" );
1868 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1869 &MEDIATYPE_Audio, p_device_filter,
1870 IID_IAMStreamConfig, (void **)&p_SC );
1873 ShowPropertyPage(p_SC);
1881 HRESULT hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1882 &MEDIATYPE_Audio, p_device_filter,
1883 IID_IAMTVAudio, (void **)&p_TVA );
1886 ShowPropertyPage(p_TVA);
1894 if( p_graph && !b_audio )
1896 IAMStreamConfig *p_SC;
1898 msg_Dbg( p_this, "Showing WDM Video Configuration Pages" );
1900 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1901 &MEDIATYPE_Interleaved, p_device_filter,
1902 IID_IAMStreamConfig, (void **)&p_SC );
1905 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1906 &MEDIATYPE_Video, p_device_filter,
1907 IID_IAMStreamConfig, (void **)&p_SC );
1912 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1913 &MEDIATYPE_Stream, p_device_filter,
1914 IID_IAMStreamConfig, (void **)&p_SC );
1919 ShowPropertyPage(p_SC);
1925 static void ShowTunerProperties( vlc_object_t *p_this,
1926 ICaptureGraphBuilder2 *p_graph,
1927 IBaseFilter *p_device_filter,
1928 vlc_bool_t b_audio )
1931 msg_Dbg( p_this, "Configuring Tuner Properties" );
1933 if( !p_graph || b_audio ) return;
1936 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1937 &MEDIATYPE_Interleaved, p_device_filter,
1938 IID_IAMTVTuner, (void **)&p_TV );
1941 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1942 &MEDIATYPE_Video, p_device_filter,
1943 IID_IAMTVTuner, (void **)&p_TV );
1948 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1949 &MEDIATYPE_Stream, p_device_filter,
1950 IID_IAMTVTuner, (void **)&p_TV );
1955 ShowPropertyPage(p_TV);
1960 static void ConfigTuner( vlc_object_t *p_this, ICaptureGraphBuilder2 *p_graph,
1961 IBaseFilter *p_device_filter )
1963 int i_channel, i_country, i_input;
1968 if( !p_graph ) return;
1970 i_channel = var_GetInteger( p_this, "dshow-tuner-channel" );
1971 i_country = var_GetInteger( p_this, "dshow-tuner-country" );
1972 i_input = var_GetInteger( p_this, "dshow-tuner-input" );
1974 if( !i_channel && !i_country && !i_input ) return; /* Nothing to do */
1976 msg_Dbg( p_this, "tuner config: channel %i, country %i, input type %i",
1977 i_channel, i_country, i_input );
1979 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Interleaved,
1980 p_device_filter, IID_IAMTVTuner,
1984 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video,
1985 p_device_filter, IID_IAMTVTuner,
1991 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Stream,
1992 p_device_filter, IID_IAMTVTuner,
1998 msg_Dbg( p_this, "couldn't find tuner interface" );
2002 hr = p_TV->GetAvailableModes( &l_modes );
2003 if( SUCCEEDED(hr) && (l_modes & AMTUNER_MODE_TV) )
2005 hr = p_TV->put_Mode( AMTUNER_MODE_TV );
2008 if( i_input == 1 ) p_TV->put_InputType( 0, TunerInputCable );
2009 else if( i_input == 2 ) p_TV->put_InputType( 0, TunerInputAntenna );
2011 p_TV->put_CountryCode( i_country );
2012 p_TV->put_Channel( i_channel, AMTUNER_SUBCHAN_NO_TUNE,
2013 AMTUNER_SUBCHAN_NO_TUNE );