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 *****************************************************************************/
31 #include <vlc_input.h>
32 #include <vlc_access.h>
33 #include <vlc_demux.h>
35 #include <vlc_interface.h>
40 /*****************************************************************************
41 * Access: local prototypes
42 *****************************************************************************/
43 static block_t *ReadCompressed( access_t * );
44 static int AccessControl ( access_t *, int, va_list );
46 static int Demux ( demux_t * );
47 static int DemuxControl( demux_t *, int, va_list );
49 static int OpenDevice( vlc_object_t *, access_sys_t *, string, vlc_bool_t );
50 static IBaseFilter *FindCaptureDevice( vlc_object_t *, string *,
51 list<string> *, vlc_bool_t );
52 static size_t EnumDeviceCaps( vlc_object_t *, IBaseFilter *,
53 int, int, int, int, int, int,
54 AM_MEDIA_TYPE *mt, size_t );
55 static bool ConnectFilters( vlc_object_t *, access_sys_t *,
56 IBaseFilter *, CaptureFilter * );
57 static int FindDevicesCallback( vlc_object_t *, char const *,
58 vlc_value_t, vlc_value_t, void * );
59 static int ConfigDevicesCallback( vlc_object_t *, char const *,
60 vlc_value_t, vlc_value_t, void * );
62 static void ShowPropertyPage( IUnknown * );
63 static void ShowDeviceProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
64 IBaseFilter *, vlc_bool_t );
65 static void ShowTunerProperties( vlc_object_t *, ICaptureGraphBuilder2 *,
66 IBaseFilter *, vlc_bool_t );
67 static void ConfigTuner( vlc_object_t *, ICaptureGraphBuilder2 *,
70 /*****************************************************************************
72 *****************************************************************************/
73 static const char *ppsz_vdev[] = { "", "none" };
74 static const char *ppsz_vdev_text[] = { N_("Default"), N_("None") };
75 static const char *ppsz_adev[] = { "", "none" };
76 static const char *ppsz_adev_text[] = { N_("Default"), N_("None") };
77 static int pi_tuner_input[] = { 0, 1, 2 };
78 static const char *ppsz_tuner_input_text[] =
79 {N_("Default"), N_("Cable"), N_("Antenna")};
80 static const int pi_amtuner_mode[] = { AMTUNER_MODE_DEFAULT,
82 AMTUNER_MODE_FM_RADIO,
83 AMTUNER_MODE_AM_RADIO,
85 static const char *ppsz_amtuner_mode_text[] = { N_("Default"),
91 #define CACHING_TEXT N_("Caching value in ms")
92 #define CACHING_LONGTEXT N_( \
93 "Caching value for DirectShow streams. " \
94 "This value should be set in millisecondss." )
95 #define VDEV_TEXT N_("Video device name")
96 #define VDEV_LONGTEXT N_( \
97 "Name of the video device that will be used by the " \
98 "DirectShow plugin. If you don't specify anything, the default device " \
100 #define ADEV_TEXT N_("Audio device name")
101 #define ADEV_LONGTEXT N_( \
102 "Name of the audio device that will be used by the " \
103 "DirectShow plugin. If you don't specify anything, the default device " \
105 #define SIZE_TEXT N_("Video size")
106 #define SIZE_LONGTEXT N_( \
107 "Size of the video that will be displayed by the " \
108 "DirectShow plugin. If you don't specify anything the default size for " \
109 "your device will be used. You can specify a standard size (cif, d1, ...) or <width>x<height>.")
110 #define CHROMA_TEXT N_("Video input chroma format")
111 #define CHROMA_LONGTEXT N_( \
112 "Force the DirectShow video input to use a specific chroma format " \
113 "(eg. I420 (default), RV24, etc.)")
114 #define FPS_TEXT N_("Video input frame rate")
115 #define FPS_LONGTEXT N_( \
116 "Force the DirectShow video input to use a specific frame rate" \
117 "(eg. 0 means default, 25, 29.97, 50, 59.94, etc.)")
118 #define CONFIG_TEXT N_("Device properties")
119 #define CONFIG_LONGTEXT N_( \
120 "Show the properties dialog of the selected device before starting the " \
122 #define TUNER_TEXT N_("Tuner properties")
123 #define TUNER_LONGTEXT N_( \
124 "Show the tuner properties [channel selection] page." )
125 #define CHANNEL_TEXT N_("Tuner TV Channel")
126 #define CHANNEL_LONGTEXT N_( \
127 "Set the TV channel the tuner will set to " \
128 "(0 means default)." )
129 #define COUNTRY_TEXT N_("Tuner country code")
130 #define COUNTRY_LONGTEXT N_( \
131 "Set the tuner country code that establishes the current " \
132 "channel-to-frequency mapping (0 means default)." )
133 #define TUNER_INPUT_TEXT N_("Tuner input type")
134 #define TUNER_INPUT_LONGTEXT N_( \
135 "Select the tuner input type (Cable/Antenna)." )
136 #define VIDEO_IN_TEXT N_("Video input pin")
137 #define VIDEO_IN_LONGTEXT N_( \
138 "Select the video input source, such as composite, s-video, " \
139 "or tuner. Since these settings are hardware-specific, you should find good " \
140 "settings in the \"Device config\" area, and use those numbers here. -1 " \
141 "means that settings will not be changed.")
142 #define AUDIO_IN_TEXT N_("Audio input pin")
143 #define AUDIO_IN_LONGTEXT N_( \
144 "Select the audio input source. See the \"video input\" option." )
145 #define VIDEO_OUT_TEXT N_("Video output pin")
146 #define VIDEO_OUT_LONGTEXT N_( \
147 "Select the video output type. See the \"video input\" option." )
148 #define AUDIO_OUT_TEXT N_("Audio output pin")
149 #define AUDIO_OUT_LONGTEXT N_( \
150 "Select the audio output type. See the \"video input\" option." )
152 #define AMTUNER_MODE_TEXT N_("AM Tuner mode")
153 #define AMTUNER_MODE_LONGTEXT N_( \
154 "AM Tuner mode. Can be one of DEFAULT, TV, AM_RADIO, FM_RADIO or DSS.")
156 static int CommonOpen ( vlc_object_t *, access_sys_t *, vlc_bool_t );
157 static void CommonClose( vlc_object_t *, access_sys_t * );
159 static int AccessOpen ( vlc_object_t * );
160 static void AccessClose( vlc_object_t * );
162 static int DemuxOpen ( vlc_object_t * );
163 static void DemuxClose ( vlc_object_t * );
166 set_shortname( _("DirectShow") );
167 set_description( _("DirectShow input") );
168 set_category( CAT_INPUT );
169 set_subcategory( SUBCAT_INPUT_ACCESS );
170 add_integer( "dshow-caching", (mtime_t)(0.2*CLOCK_FREQ) / 1000, NULL,
171 CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
173 add_string( "dshow-vdev", NULL, NULL, VDEV_TEXT, VDEV_LONGTEXT, VLC_FALSE);
174 change_string_list( ppsz_vdev, ppsz_vdev_text, FindDevicesCallback );
175 change_action_add( FindDevicesCallback, N_("Refresh list") );
176 change_action_add( ConfigDevicesCallback, N_("Configure") );
178 add_string( "dshow-adev", NULL, NULL, ADEV_TEXT, ADEV_LONGTEXT, VLC_FALSE);
179 change_string_list( ppsz_adev, ppsz_adev_text, FindDevicesCallback );
180 change_action_add( FindDevicesCallback, N_("Refresh list") );
181 change_action_add( ConfigDevicesCallback, N_("Configure") );
183 add_string( "dshow-size", NULL, NULL, SIZE_TEXT, SIZE_LONGTEXT, VLC_FALSE);
185 add_string( "dshow-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT,
188 add_float( "dshow-fps", 0.0f, NULL, FPS_TEXT, FPS_LONGTEXT,
191 add_bool( "dshow-config", VLC_FALSE, NULL, CONFIG_TEXT, CONFIG_LONGTEXT,
194 add_bool( "dshow-tuner", VLC_FALSE, NULL, TUNER_TEXT, TUNER_LONGTEXT,
197 add_integer( "dshow-tuner-channel", 0, NULL, CHANNEL_TEXT,
198 CHANNEL_LONGTEXT, VLC_TRUE );
200 add_integer( "dshow-tuner-country", 0, NULL, COUNTRY_TEXT,
201 COUNTRY_LONGTEXT, VLC_TRUE );
203 add_integer( "dshow-tuner-input", 0, NULL, TUNER_INPUT_TEXT,
204 TUNER_INPUT_LONGTEXT, VLC_TRUE );
205 change_integer_list( pi_tuner_input, ppsz_tuner_input_text, 0 );
207 add_integer( "dshow-video-input", -1, NULL, VIDEO_IN_TEXT,
208 VIDEO_IN_LONGTEXT, VLC_TRUE );
210 add_integer( "dshow-audio-input", -1, NULL, AUDIO_IN_TEXT,
211 AUDIO_IN_LONGTEXT, VLC_TRUE );
213 add_integer( "dshow-video-output", -1, NULL, VIDEO_OUT_TEXT,
214 VIDEO_OUT_LONGTEXT, VLC_TRUE );
216 add_integer( "dshow-audio-output", -1, NULL, AUDIO_OUT_TEXT,
217 AUDIO_OUT_LONGTEXT, VLC_TRUE );
219 add_integer( "dshow-amtuner-mode", AMTUNER_MODE_TV, NULL,
220 AMTUNER_MODE_TEXT, AMTUNER_MODE_LONGTEXT, VLC_FALSE);
221 change_integer_list( pi_amtuner_mode, ppsz_amtuner_mode_text, 0 );
223 add_shortcut( "dshow" );
224 set_capability( "access_demux", 0 );
225 set_callbacks( DemuxOpen, DemuxClose );
228 set_description( _("DirectShow input") );
229 set_capability( "access2", 0 );
230 set_callbacks( AccessOpen, AccessClose );
234 /*****************************************************************************
235 * DirectShow elementary stream descriptor
236 *****************************************************************************/
237 typedef struct dshow_stream_t
240 IBaseFilter *p_device_filter;
241 CaptureFilter *p_capture_filter;
246 VIDEOINFOHEADER video;
257 /*****************************************************************************
258 * DirectShow utility functions
259 *****************************************************************************/
260 static void CreateDirectShowGraph( access_sys_t *p_sys )
262 p_sys->i_crossbar_route_depth = 0;
264 /* Create directshow filter graph */
265 if( SUCCEEDED( CoCreateInstance( CLSID_FilterGraph, 0, CLSCTX_INPROC,
266 (REFIID)IID_IFilterGraph, (void **)&p_sys->p_graph) ) )
268 /* Create directshow capture graph builder if available */
269 if( SUCCEEDED( CoCreateInstance( CLSID_CaptureGraphBuilder2, 0,
270 CLSCTX_INPROC, (REFIID)IID_ICaptureGraphBuilder2,
271 (void **)&p_sys->p_capture_graph_builder2 ) ) )
273 p_sys->p_capture_graph_builder2->
274 SetFiltergraph((IGraphBuilder *)p_sys->p_graph);
277 p_sys->p_graph->QueryInterface( IID_IMediaControl,
278 (void **)&p_sys->p_control );
282 static void DeleteDirectShowGraph( access_sys_t *p_sys )
284 DeleteCrossbarRoutes( p_sys );
286 /* Remove filters from graph */
287 for( int i = 0; i < p_sys->i_streams; i++ )
289 p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_capture_filter );
290 p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_device_filter );
291 p_sys->pp_streams[i]->p_capture_filter->Release();
292 p_sys->pp_streams[i]->p_device_filter->Release();
295 /* Release directshow objects */
296 if( p_sys->p_control )
298 p_sys->p_control->Release();
299 p_sys->p_control = NULL;
301 if( p_sys->p_capture_graph_builder2 )
303 p_sys->p_capture_graph_builder2->Release();
304 p_sys->p_capture_graph_builder2 = NULL;
309 p_sys->p_graph->Release();
310 p_sys->p_graph = NULL;
314 /*****************************************************************************
315 * CommonOpen: open direct show device
316 *****************************************************************************/
317 static int CommonOpen( vlc_object_t *p_this, access_sys_t *p_sys,
318 vlc_bool_t b_access_demux )
323 /* Get/parse options and open device(s) */
324 string vdevname, adevname;
325 int i_width = 0, i_height = 0, i_chroma = 0;
326 vlc_bool_t b_audio = VLC_TRUE;
328 var_Create( p_this, "dshow-config", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
329 var_Create( p_this, "dshow-tuner", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
330 var_Create( p_this, "dshow-vdev", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
331 var_Get( p_this, "dshow-vdev", &val );
332 if( val.psz_string ) vdevname = string( val.psz_string );
333 if( val.psz_string ) free( val.psz_string );
335 var_Create( p_this, "dshow-adev", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
336 var_Get( p_this, "dshow-adev", &val );
337 if( val.psz_string ) adevname = string( val.psz_string );
338 if( val.psz_string ) free( val.psz_string );
340 static struct {char *psz_size; int i_width; int i_height;} size_table[] =
341 { { "subqcif", 128, 96 }, { "qsif", 160, 120 }, { "qcif", 176, 144 },
342 { "sif", 320, 240 }, { "cif", 352, 288 }, { "d1", 640, 480 },
346 var_Create( p_this, "dshow-size", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
347 var_Get( p_this, "dshow-size", &val );
348 if( val.psz_string && *val.psz_string )
350 for( i = 0; size_table[i].psz_size; i++ )
352 if( !strcmp( val.psz_string, size_table[i].psz_size ) )
354 i_width = size_table[i].i_width;
355 i_height = size_table[i].i_height;
359 if( !size_table[i].psz_size ) /* Try to parse "WidthxHeight" */
362 i_width = strtol( val.psz_string, &psz_parser, 0 );
363 if( *psz_parser == 'x' || *psz_parser == 'X')
365 i_height = strtol( psz_parser + 1, &psz_parser, 0 );
367 msg_Dbg( p_this, "width x height %dx%d", i_width, i_height );
370 if( val.psz_string ) free( val.psz_string );
372 p_sys->b_chroma = VLC_FALSE;
373 var_Create( p_this, "dshow-chroma", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
374 var_Get( p_this, "dshow-chroma", &val );
375 if( val.psz_string && strlen( val.psz_string ) >= 4 )
377 i_chroma = VLC_FOURCC( val.psz_string[0], val.psz_string[1],
378 val.psz_string[2], val.psz_string[3] );
379 p_sys->b_chroma = VLC_TRUE;
381 if( val.psz_string ) free( val.psz_string );
383 var_Create( p_this, "dshow-fps", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
384 var_Create( p_this, "dshow-tuner-channel",
385 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
386 var_Create( p_this, "dshow-tuner-country",
387 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
388 var_Create( p_this, "dshow-tuner-input",
389 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
391 var_Create( p_this, "dshow-amtuner-mode",
392 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
394 var_Create( p_this, "dshow-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
396 var_Create( p_this, "dshow-video-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
397 var_Create( p_this, "dshow-audio-input", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
398 var_Create( p_this, "dshow-video-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
399 var_Create( p_this, "dshow-audio-output", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
401 /* Initialize OLE/COM */
404 /* Initialize some data */
405 p_sys->i_streams = 0;
406 p_sys->pp_streams = 0;
407 p_sys->i_width = i_width;
408 p_sys->i_height = i_height;
409 p_sys->i_chroma = i_chroma;
411 p_sys->p_graph = NULL;
412 p_sys->p_capture_graph_builder2 = NULL;
413 p_sys->p_control = NULL;
415 vlc_mutex_init( p_this, &p_sys->lock );
416 vlc_cond_init( p_this, &p_sys->wait );
418 /* Build directshow graph */
419 CreateDirectShowGraph( p_sys );
421 if( OpenDevice( p_this, p_sys, vdevname, 0 ) != VLC_SUCCESS )
423 msg_Err( p_this, "can't open video");
427 /* Check if we can handle the demuxing ourselves or need to spawn
428 * a demuxer module */
429 dshow_stream_t *p_stream = p_sys->pp_streams[p_sys->i_streams-1];
431 if( p_stream->mt.majortype == MEDIATYPE_Video )
433 if( /* Raw DV stream */
434 p_stream->i_fourcc == VLC_FOURCC('d','v','s','l') ||
435 p_stream->i_fourcc == VLC_FOURCC('d','v','s','d') ||
436 p_stream->i_fourcc == VLC_FOURCC('d','v','h','d') ||
437 /* Raw MPEG video stream */
438 p_stream->i_fourcc == VLC_FOURCC('m','p','2','v') )
444 /* Let the access (only) take care of that */
450 if( p_stream->mt.majortype == MEDIATYPE_Stream )
456 /* Let the access (only) take care of that */
460 var_Get( p_this, "dshow-tuner", &val );
463 /* FIXME: we do MEDIATYPE_Stream here so we don't do
465 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
466 p_stream->p_device_filter, 0 );
471 if( b_audio && OpenDevice( p_this, p_sys, adevname, 1 ) != VLC_SUCCESS )
473 msg_Err( p_this, "can't open audio");
476 for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
478 var_Get( p_this, "dshow-video-input", &val );
480 p_sys->crossbar_routes[i].VideoInputIndex=val.i_int;
481 var_Get( p_this, "dshow-video-output", &val );
483 p_sys->crossbar_routes[i].VideoOutputIndex=val.i_int;
484 var_Get( p_this, "dshow-audio-input", &val );
486 p_sys->crossbar_routes[i].AudioInputIndex=val.i_int;
487 var_Get( p_this, "dshow-audio-output", &val );
489 p_sys->crossbar_routes[i].AudioOutputIndex=val.i_int;
491 IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
492 LONG VideoInputIndex = p_sys->crossbar_routes[i].VideoInputIndex;
493 LONG VideoOutputIndex = p_sys->crossbar_routes[i].VideoOutputIndex;
494 LONG AudioInputIndex = p_sys->crossbar_routes[i].AudioInputIndex;
495 LONG AudioOutputIndex = p_sys->crossbar_routes[i].AudioOutputIndex;
497 if( SUCCEEDED(pXbar->Route(VideoOutputIndex, VideoInputIndex)) )
499 msg_Dbg( p_this, "crossbar at depth %d, routed video "
500 "output %ld to video input %ld", i, VideoOutputIndex,
503 if( AudioOutputIndex != -1 && AudioInputIndex != -1 )
505 if( SUCCEEDED( pXbar->Route(AudioOutputIndex,
508 msg_Dbg(p_this, "crossbar at depth %d, routed audio "
509 "output %ld to audio input %ld", i,
510 AudioOutputIndex, AudioInputIndex );
517 ** Show properties pages from other filters in graph
519 var_Get( p_this, "dshow-config", &val );
522 for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i )
524 IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar;
527 if( SUCCEEDED( pXbar->QueryInterface( IID_IBaseFilter,
530 ShowPropertyPage( p_XF );
536 /* Initialize some data */
537 p_sys->i_current_stream = 0;
539 if( !p_sys->i_streams ) return VLC_EGENERIC;
544 /*****************************************************************************
545 * DemuxOpen: open direct show device as an access_demux module
546 *****************************************************************************/
547 static int DemuxOpen( vlc_object_t *p_this )
549 demux_t *p_demux = (demux_t *)p_this;
553 p_sys = (access_sys_t *)malloc( sizeof( access_sys_t ) );
554 memset( p_sys, 0, sizeof( access_sys_t ) );
555 p_demux->p_sys = (demux_sys_t *)p_sys;
557 if( CommonOpen( p_this, p_sys, VLC_TRUE ) != VLC_SUCCESS )
559 CommonClose( p_this, p_sys );
563 /* Everything is ready. Let's rock baby */
564 msg_Dbg( p_this, "Playing...");
565 p_sys->p_control->Run();
567 p_demux->pf_demux = Demux;
568 p_demux->pf_control = DemuxControl;
569 p_demux->info.i_update = 0;
570 p_demux->info.i_title = 0;
571 p_demux->info.i_seekpoint = 0;
573 for( i = 0; i < p_sys->i_streams; i++ )
575 dshow_stream_t *p_stream = p_sys->pp_streams[i];
578 if( p_stream->mt.majortype == MEDIATYPE_Video )
580 es_format_Init( &fmt, VIDEO_ES, p_stream->i_fourcc );
582 fmt.video.i_width = p_stream->header.video.bmiHeader.biWidth;
583 fmt.video.i_height = p_stream->header.video.bmiHeader.biHeight;
584 fmt.video.i_aspect = 4 * VOUT_ASPECT_FACTOR / 3;
586 if( !p_stream->header.video.bmiHeader.biCompression )
588 /* RGB DIB are coded from bottom to top */
589 fmt.video.i_height = (unsigned int)(-(int)fmt.video.i_height);
592 /* Setup rgb mask for RGB formats */
593 if( p_stream->i_fourcc == VLC_FOURCC('R','V','2','4') )
595 /* This is in BGR format */
596 fmt.video.i_bmask = 0x00ff0000;
597 fmt.video.i_gmask = 0x0000ff00;
598 fmt.video.i_rmask = 0x000000ff;
601 if( p_stream->header.video.AvgTimePerFrame )
603 fmt.video.i_frame_rate = 10000000;
604 fmt.video.i_frame_rate_base =
605 p_stream->header.video.AvgTimePerFrame;
608 else if( p_stream->mt.majortype == MEDIATYPE_Audio )
610 es_format_Init( &fmt, AUDIO_ES, p_stream->i_fourcc );
612 fmt.audio.i_channels = p_stream->header.audio.nChannels;
613 fmt.audio.i_rate = p_stream->header.audio.nSamplesPerSec;
614 fmt.audio.i_bitspersample = p_stream->header.audio.wBitsPerSample;
615 fmt.audio.i_blockalign = fmt.audio.i_channels *
616 fmt.audio.i_bitspersample / 8;
617 fmt.i_bitrate = fmt.audio.i_channels * fmt.audio.i_rate *
618 fmt.audio.i_bitspersample;
621 p_stream->p_es = es_out_Add( p_demux->out, &fmt );
627 /*****************************************************************************
628 * AccessOpen: open direct show device as an access module
629 *****************************************************************************/
630 static int AccessOpen( vlc_object_t *p_this )
632 access_t *p_access = (access_t*)p_this;
635 p_access->p_sys = p_sys = (access_sys_t *)malloc( sizeof( access_sys_t ) );
636 memset( p_sys, 0, sizeof( access_sys_t ) );
638 if( CommonOpen( p_this, p_sys, VLC_FALSE ) != VLC_SUCCESS )
640 CommonClose( p_this, p_sys );
644 dshow_stream_t *p_stream = p_sys->pp_streams[0];
646 /* Check if we need to force demuxers */
647 if( !p_access->psz_demux || !*p_access->psz_demux )
649 if( p_stream->i_fourcc == VLC_FOURCC('d','v','s','l') ||
650 p_stream->i_fourcc == VLC_FOURCC('d','v','s','d') ||
651 p_stream->i_fourcc == VLC_FOURCC('d','v','h','d') )
653 p_access->psz_demux = strdup( "rawdv" );
655 else if( p_stream->i_fourcc == VLC_FOURCC('m','p','2','v') )
657 p_access->psz_demux = "mpgv";
662 p_access->pf_read = NULL;
663 p_access->pf_block = ReadCompressed;
664 p_access->pf_control = AccessControl;
665 p_access->pf_seek = NULL;
666 p_access->info.i_update = 0;
667 p_access->info.i_size = 0;
668 p_access->info.i_pos = 0;
669 p_access->info.b_eof = VLC_FALSE;
670 p_access->info.i_title = 0;
671 p_access->info.i_seekpoint = 0;
672 p_access->p_sys = p_sys;
674 /* Everything is ready. Let's rock baby */
675 msg_Dbg( p_this, "Playing...");
676 p_sys->p_control->Run();
681 /*****************************************************************************
682 * CommonClose: close device
683 *****************************************************************************/
684 static void CommonClose( vlc_object_t *p_this, access_sys_t *p_sys )
686 msg_Dbg( p_this, "releasing DirectShow");
688 DeleteDirectShowGraph( p_sys );
690 /* Uninitialize OLE/COM */
693 for( int i = 0; i < p_sys->i_streams; i++ ) delete p_sys->pp_streams[i];
694 if( p_sys->i_streams ) free( p_sys->pp_streams );
696 vlc_mutex_destroy( &p_sys->lock );
697 vlc_cond_destroy( &p_sys->wait );
702 /*****************************************************************************
703 * AccessClose: close device
704 *****************************************************************************/
705 static void AccessClose( vlc_object_t *p_this )
707 access_t *p_access = (access_t *)p_this;
708 access_sys_t *p_sys = p_access->p_sys;
710 /* Stop capturing stuff */
711 p_sys->p_control->Stop();
713 CommonClose( p_this, p_sys );
716 /*****************************************************************************
717 * DemuxClose: close device
718 *****************************************************************************/
719 static void DemuxClose( vlc_object_t *p_this )
721 demux_t *p_demux = (demux_t *)p_this;
722 access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
724 /* Stop capturing stuff */
725 p_sys->p_control->Stop();
727 CommonClose( p_this, p_sys );
730 /****************************************************************************
732 ****************************************************************************/
733 static bool ConnectFilters( vlc_object_t *p_this, access_sys_t *p_sys,
734 IBaseFilter *p_filter,
735 CaptureFilter *p_capture_filter )
737 CapturePin *p_input_pin = p_capture_filter->CustomGetPin();
739 AM_MEDIA_TYPE mediaType = p_input_pin->CustomGetMediaType();
741 if( p_sys->p_capture_graph_builder2 )
743 if( FAILED(p_sys->p_capture_graph_builder2->
744 RenderStream( &PIN_CATEGORY_CAPTURE, &mediaType.majortype,
745 p_filter, 0, (IBaseFilter *)p_capture_filter )) )
750 // Sort out all the possible video inputs
751 // The class needs to be given the capture filters ANALOGVIDEO input pin
753 if( ( mediaType.majortype == MEDIATYPE_Video ||
754 mediaType.majortype == MEDIATYPE_Stream ) &&
755 SUCCEEDED(p_filter->EnumPins(&pins)) )
761 IKsPropertySet *pKs=0;
765 while( !Found && ( S_OK == pins->Next(1, &pP, &n) ) )
767 if( S_OK == pP->QueryPinInfo(&pinInfo) )
769 // is this pin an ANALOGVIDEOIN input pin?
770 if( pinInfo.dir == PINDIR_INPUT &&
771 pP->QueryInterface( IID_IKsPropertySet,
772 (void **)&pKs ) == S_OK )
774 if( pKs->Get( AMPROPSETID_Pin,
775 AMPROPERTY_PIN_CATEGORY, NULL, 0,
776 &guid, sizeof(GUID), &dw ) == S_OK )
778 if( guid == PIN_CATEGORY_ANALOGVIDEOIN )
780 // recursively search crossbar routes
781 FindCrossbarRoutes( p_this, p_sys, pP, 0 );
788 pinInfo.pFilter->Release();
798 IEnumPins *p_enumpins;
801 if( S_OK != p_filter->EnumPins( &p_enumpins ) ) return false;
803 while( S_OK == p_enumpins->Next( 1, &p_pin, NULL ) )
805 PIN_DIRECTION pin_dir;
806 p_pin->QueryDirection( &pin_dir );
808 if( pin_dir == PINDIR_OUTPUT &&
809 p_sys->p_graph->ConnectDirect( p_pin, (IPin *)p_input_pin,
813 p_enumpins->Release();
819 p_enumpins->Release();
825 * get fourcc priority from arbritary preference, the higher the better
827 static int GetFourCCPriority( int i_fourcc )
831 case VLC_FOURCC('I','4','2','0'):
832 case VLC_FOURCC('f','l','3','2'):
834 case VLC_FOURCC('Y','V','1','2'):
835 case VLC_FOURCC('a','r','a','w'):
837 case VLC_FOURCC('R','V','2','4'):
839 case VLC_FOURCC('Y','U','Y','2'):
840 case VLC_FOURCC('R','V','3','2'):
841 case VLC_FOURCC('R','G','B','A'):
848 #define MAX_MEDIA_TYPES 32
850 static int OpenDevice( vlc_object_t *p_this, access_sys_t *p_sys,
851 string devicename, vlc_bool_t b_audio )
853 /* See if device is already opened */
854 for( int i = 0; i < p_sys->i_streams; i++ )
856 if( devicename.size() &&
857 p_sys->pp_streams[i]->devicename == devicename )
864 list<string> list_devices;
866 /* Enumerate devices and display their names */
867 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
869 if( !list_devices.size() )
872 list<string>::iterator iter;
873 for( iter = list_devices.begin(); iter != list_devices.end(); iter++ )
874 msg_Dbg( p_this, "found device: %s", iter->c_str() );
876 /* If no device name was specified, pick the 1st one */
877 if( devicename.size() == 0 )
879 devicename = *list_devices.begin();
882 // Use the system device enumerator and class enumerator to find
883 // a capture/preview device, such as a desktop USB video camera.
884 IBaseFilter *p_device_filter =
885 FindCaptureDevice( p_this, &devicename, 0, b_audio );
886 if( p_device_filter )
887 msg_Dbg( p_this, "using device: %s", devicename.c_str() );
890 msg_Err( p_this, "can't use device: %s, unsupported device type",
891 devicename.c_str() );
892 intf_UserFatal( p_this, VLC_FALSE, _("Capturing failed"),
893 _("VLC cannot use the device \"%s\", because its device "
894 "type is not supported.") );
898 // Retreive acceptable media types supported by device
899 AM_MEDIA_TYPE media_types[MAX_MEDIA_TYPES];
901 EnumDeviceCaps( p_this, p_device_filter, b_audio ? 0 : p_sys->i_chroma,
902 p_sys->i_width, p_sys->i_height,
903 0, 0, 0, media_types, MAX_MEDIA_TYPES );
905 AM_MEDIA_TYPE *mt = NULL;
907 if( media_count > 0 )
909 mt = (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE) * media_count);
911 // Order and copy returned media types according to arbitrary
913 for( size_t c = 0; c < media_count; c++ )
916 GetFourCCPriority(GetFourCCFromMediaType(media_types[c]));
917 size_t slot_copy = c;
918 for( size_t d = c+1; d < media_count; d++ )
921 GetFourCCPriority(GetFourCCFromMediaType(media_types[d]));
922 if( priority > slot_priority )
924 slot_priority = priority;
930 mt[c] = media_types[slot_copy];
931 media_types[slot_copy] = media_types[c];
935 mt[c] = media_types[c];
941 msg_Err( p_this, "capture device '%s' does not support required parameters !", devicename.c_str() );
942 intf_UserFatal( p_this, VLC_FALSE, _("Capturing failed"),
943 _("The capture device \"%s\" does not support the "
944 "required parameters."), devicename.c_str() );
945 p_device_filter->Release();
949 /* Create and add our capture filter */
950 CaptureFilter *p_capture_filter =
951 new CaptureFilter( p_this, p_sys, mt, media_count );
952 p_sys->p_graph->AddFilter( p_capture_filter, 0 );
954 /* Add the device filter to the graph (seems necessary with VfW before
955 * accessing pin attributes). */
956 p_sys->p_graph->AddFilter( p_device_filter, 0 );
958 /* Attempt to connect one of this device's capture output pins */
959 msg_Dbg( p_this, "connecting filters" );
960 if( ConnectFilters( p_this, p_sys, p_device_filter, p_capture_filter ) )
963 msg_Dbg( p_this, "filters connected successfully !" );
965 dshow_stream_t dshow_stream;
966 dshow_stream.b_pts = VLC_FALSE;
967 dshow_stream.p_es = 0;
969 p_capture_filter->CustomGetPin()->CustomGetMediaType();
971 /* Show Device properties. Done here so the VLC stream is setup with
972 * the proper parameters. */
974 var_Get( p_this, "dshow-config", &val );
977 ShowDeviceProperties( p_this, p_sys->p_capture_graph_builder2,
978 p_device_filter, b_audio );
981 ConfigTuner( p_this, p_sys->p_capture_graph_builder2,
984 var_Get( p_this, "dshow-tuner", &val );
985 if( val.b_bool && dshow_stream.mt.majortype != MEDIATYPE_Stream )
987 /* FIXME: we do MEDIATYPE_Stream later so we don't do it twice. */
988 ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2,
989 p_device_filter, b_audio );
993 p_capture_filter->CustomGetPin()->CustomGetMediaType();
995 dshow_stream.i_fourcc = GetFourCCFromMediaType( dshow_stream.mt );
996 if( dshow_stream.i_fourcc )
998 if( dshow_stream.mt.majortype == MEDIATYPE_Video )
1000 dshow_stream.header.video =
1001 *(VIDEOINFOHEADER *)dshow_stream.mt.pbFormat;
1002 msg_Dbg( p_this, "MEDIATYPE_Video" );
1003 msg_Dbg( p_this, "selected video pin accepts format: %4.4s",
1004 (char *)&dshow_stream.i_fourcc);
1006 else if( dshow_stream.mt.majortype == MEDIATYPE_Audio )
1008 dshow_stream.header.audio =
1009 *(WAVEFORMATEX *)dshow_stream.mt.pbFormat;
1010 msg_Dbg( p_this, "MEDIATYPE_Audio" );
1011 msg_Dbg( p_this, "selected audio pin accepts format: %4.4s",
1012 (char *)&dshow_stream.i_fourcc);
1014 else if( dshow_stream.mt.majortype == MEDIATYPE_Stream )
1016 msg_Dbg( p_this, "MEDIATYPE_Stream" );
1017 msg_Dbg( p_this, "selected stream pin accepts format: %4.4s",
1018 (char *)&dshow_stream.i_fourcc);
1022 msg_Dbg( p_this, "unknown stream majortype" );
1026 /* Add directshow elementary stream to our list */
1027 dshow_stream.p_device_filter = p_device_filter;
1028 dshow_stream.p_capture_filter = p_capture_filter;
1030 p_sys->pp_streams = (dshow_stream_t **)realloc( p_sys->pp_streams,
1031 sizeof(dshow_stream_t *) * (p_sys->i_streams + 1) );
1032 p_sys->pp_streams[p_sys->i_streams] = new dshow_stream_t;
1033 *p_sys->pp_streams[p_sys->i_streams++] = dshow_stream;
1040 /* Remove filters from graph */
1041 p_sys->p_graph->RemoveFilter( p_device_filter );
1042 p_sys->p_graph->RemoveFilter( p_capture_filter );
1044 /* Release objects */
1045 p_device_filter->Release();
1046 p_capture_filter->Release();
1048 return VLC_EGENERIC;
1051 static IBaseFilter *
1052 FindCaptureDevice( vlc_object_t *p_this, string *p_devicename,
1053 list<string> *p_listdevices, vlc_bool_t b_audio )
1055 IBaseFilter *p_base_filter = NULL;
1056 IMoniker *p_moniker = NULL;
1060 /* Create the system device enumerator */
1061 ICreateDevEnum *p_dev_enum = NULL;
1063 hr = CoCreateInstance( CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
1064 IID_ICreateDevEnum, (void **)&p_dev_enum );
1067 msg_Err( p_this, "failed to create the device enumerator (0x%lx)", hr);
1071 /* Create an enumerator for the video capture devices */
1072 IEnumMoniker *p_class_enum = NULL;
1074 hr = p_dev_enum->CreateClassEnumerator( CLSID_VideoInputDeviceCategory,
1077 hr = p_dev_enum->CreateClassEnumerator( CLSID_AudioInputDeviceCategory,
1079 p_dev_enum->Release();
1082 msg_Err( p_this, "failed to create the class enumerator (0x%lx)", hr );
1086 /* If there are no enumerators for the requested type, then
1087 * CreateClassEnumerator will succeed, but p_class_enum will be NULL */
1088 if( p_class_enum == NULL )
1090 msg_Err( p_this, "no capture device was detected" );
1094 /* Enumerate the devices */
1096 /* Note that if the Next() call succeeds but there are no monikers,
1097 * it will return S_FALSE (which is not a failure). Therefore, we check
1098 * that the return code is S_OK instead of using SUCCEEDED() macro. */
1100 while( p_class_enum->Next( 1, &p_moniker, &i_fetched ) == S_OK )
1102 /* Getting the property page to get the device name */
1103 IPropertyBag *p_bag;
1104 hr = p_moniker->BindToStorage( 0, 0, IID_IPropertyBag,
1110 hr = p_bag->Read( L"FriendlyName", &var, NULL );
1114 int i_convert = WideCharToMultiByte(CP_ACP, 0, var.bstrVal,
1115 SysStringLen(var.bstrVal), NULL, 0, NULL, NULL);
1116 char *p_buf = (char *)alloca( i_convert+1 ); p_buf[0] = 0;
1117 WideCharToMultiByte( CP_ACP, 0, var.bstrVal,
1118 SysStringLen(var.bstrVal), p_buf, i_convert, NULL, NULL );
1119 SysFreeString(var.bstrVal);
1120 p_buf[i_convert] = '\0';
1122 if( p_listdevices ) p_listdevices->push_back( p_buf );
1124 if( p_devicename && *p_devicename == string(p_buf) )
1126 /* Bind Moniker to a filter object */
1127 hr = p_moniker->BindToObject( 0, 0, IID_IBaseFilter,
1128 (void **)&p_base_filter );
1131 msg_Err( p_this, "couldn't bind moniker to filter "
1132 "object (0x%lx)", hr );
1133 p_moniker->Release();
1134 p_class_enum->Release();
1137 p_moniker->Release();
1138 p_class_enum->Release();
1139 return p_base_filter;
1144 p_moniker->Release();
1147 p_class_enum->Release();
1151 static size_t EnumDeviceCaps( vlc_object_t *p_this, IBaseFilter *p_filter,
1152 int i_fourcc, int i_width, int i_height,
1153 int i_channels, int i_samplespersec,
1154 int i_bitspersample, AM_MEDIA_TYPE *mt,
1157 IEnumPins *p_enumpins;
1159 IEnumMediaTypes *p_enummt;
1160 size_t mt_count = 0;
1162 LONGLONG i_AvgTimePerFrame = 0;
1163 float r_fps = var_GetFloat( p_this, "dshow-fps" );
1165 i_AvgTimePerFrame = 10000000000LL/(LONGLONG)(r_fps*1000.0f);
1167 if( FAILED(p_filter->EnumPins( &p_enumpins )) )
1169 msg_Dbg( p_this, "EnumDeviceCaps failed: no pin enumeration !");
1173 while( S_OK == p_enumpins->Next( 1, &p_output_pin, NULL ) )
1177 if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1179 msg_Dbg( p_this, "EnumDeviceCaps: %s pin: %S",
1180 info.dir == PINDIR_INPUT ? "input" : "output",
1182 if( info.pFilter ) info.pFilter->Release();
1185 p_output_pin->Release();
1188 p_enumpins->Reset();
1190 while( !mt_count && p_enumpins->Next( 1, &p_output_pin, NULL ) == S_OK )
1194 if( S_OK == p_output_pin->QueryPinInfo( &info ) )
1196 if( info.pFilter ) info.pFilter->Release();
1197 if( info.dir == PINDIR_INPUT )
1199 p_output_pin->Release();
1202 msg_Dbg( p_this, "EnumDeviceCaps: trying pin %S", info.achName );
1205 AM_MEDIA_TYPE *p_mt;
1208 ** Configure pin with a default compatible media if possible
1211 IAMStreamConfig *pSC;
1212 if( SUCCEEDED(p_output_pin->QueryInterface( IID_IAMStreamConfig,
1215 int piCount, piSize;
1216 if( SUCCEEDED(pSC->GetNumberOfCapabilities(&piCount, &piSize)) )
1218 BYTE *pSCC= (BYTE *)CoTaskMemAlloc(piSize);
1221 int i_priority = -1;
1222 for( int i=0; i<piCount; ++i )
1224 if( SUCCEEDED(pSC->GetStreamCaps(i, &p_mt, pSCC)) )
1226 int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1227 int i_current_priority = GetFourCCPriority(i_current_fourcc);
1229 if( (i_fourcc && (i_current_fourcc != i_fourcc))
1230 || (i_priority > i_current_priority) )
1232 // unwanted chroma, try next media type
1233 FreeMediaType( *p_mt );
1234 CoTaskMemFree( (PVOID)p_mt );
1238 if( MEDIATYPE_Video == p_mt->majortype
1239 && FORMAT_VideoInfo == p_mt->formattype )
1241 VIDEO_STREAM_CONFIG_CAPS *pVSCC = reinterpret_cast<VIDEO_STREAM_CONFIG_CAPS*>(pSCC);
1242 VIDEOINFOHEADER *pVih = reinterpret_cast<VIDEOINFOHEADER*>(p_mt->pbFormat);
1244 if( i_AvgTimePerFrame )
1246 if( pVSCC->MinFrameInterval > i_AvgTimePerFrame
1247 || i_AvgTimePerFrame > pVSCC->MaxFrameInterval )
1249 // required frame rate not compatible, try next media type
1250 FreeMediaType( *p_mt );
1251 CoTaskMemFree( (PVOID)p_mt );
1254 pVih->AvgTimePerFrame = i_AvgTimePerFrame;
1259 if( i_width % pVSCC->OutputGranularityX
1260 || pVSCC->MinOutputSize.cx > i_width
1261 || i_width > pVSCC->MaxOutputSize.cx )
1263 // required width not compatible, try next media type
1264 FreeMediaType( *p_mt );
1265 CoTaskMemFree( (PVOID)p_mt );
1268 pVih->bmiHeader.biWidth = i_width;
1273 if( i_height % pVSCC->OutputGranularityY
1274 || pVSCC->MinOutputSize.cy > i_height
1275 || i_height > pVSCC->MaxOutputSize.cy )
1277 // required height not compatible, try next media type
1278 FreeMediaType( *p_mt );
1279 CoTaskMemFree( (PVOID)p_mt );
1282 pVih->bmiHeader.biHeight = i_height;
1285 // Set the sample size and image size.
1286 // (Round the image width up to a DWORD boundary.)
1287 p_mt->lSampleSize = pVih->bmiHeader.biSizeImage =
1288 ((pVih->bmiHeader.biWidth + 3) & ~3) *
1289 pVih->bmiHeader.biHeight * (pVih->bmiHeader.biBitCount>>3);
1291 // no cropping, use full video input buffer
1292 memset(&(pVih->rcSource), 0, sizeof(RECT));
1293 memset(&(pVih->rcTarget), 0, sizeof(RECT));
1295 // select this format as default
1296 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1298 i_priority = i_current_priority;
1300 // no need to check any more media types
1304 else if( p_mt->majortype == MEDIATYPE_Audio
1305 && p_mt->formattype == FORMAT_WaveFormatEx )
1307 AUDIO_STREAM_CONFIG_CAPS *pASCC = reinterpret_cast<AUDIO_STREAM_CONFIG_CAPS*>(pSCC);
1308 WAVEFORMATEX *pWfx = reinterpret_cast<WAVEFORMATEX*>(p_mt->pbFormat);
1310 if( i_current_fourcc && (WAVE_FORMAT_PCM == pWfx->wFormatTag) )
1312 int val = i_channels;
1316 if( val % pASCC->ChannelsGranularity
1317 || (unsigned int)val < pASCC->MinimumChannels
1318 || (unsigned int)val > pASCC->MaximumChannels )
1320 // required number channels not available, try next media type
1321 FreeMediaType( *p_mt );
1322 CoTaskMemFree( (PVOID)p_mt );
1325 pWfx->nChannels = val;
1327 val = i_samplespersec;
1331 if( val % pASCC->SampleFrequencyGranularity
1332 || (unsigned int)val < pASCC->MinimumSampleFrequency
1333 || (unsigned int)val > pASCC->MaximumSampleFrequency )
1335 // required sampling rate not available, try next media type
1336 FreeMediaType( *p_mt );
1337 CoTaskMemFree( (PVOID)p_mt );
1340 pWfx->nSamplesPerSec = val;
1342 val = i_bitspersample;
1345 if( VLC_FOURCC('f', 'l', '3', '2') == i_current_fourcc )
1351 if( val % pASCC->BitsPerSampleGranularity
1352 || (unsigned int)val < pASCC->MinimumBitsPerSample
1353 || (unsigned int)val > pASCC->MaximumBitsPerSample )
1355 // required sample size not available, try next media type
1356 FreeMediaType( *p_mt );
1357 CoTaskMemFree( (PVOID)p_mt );
1361 pWfx->wBitsPerSample = val;
1362 pWfx->nBlockAlign = (pWfx->wBitsPerSample * pWfx->nChannels)/8;
1363 pWfx->nAvgBytesPerSec = pWfx->nSamplesPerSec * pWfx->nBlockAlign;
1365 // select this format as default
1366 if( SUCCEEDED( pSC->SetFormat(p_mt) ) )
1368 i_priority = i_current_priority;
1372 FreeMediaType( *p_mt );
1373 CoTaskMemFree( (PVOID)p_mt );
1376 CoTaskMemFree( (LPVOID)pSCC );
1377 if( i_priority >= 0 )
1378 msg_Dbg( p_this, "EnumDeviceCaps: input pin default format configured");
1385 ** Probe pin for available medias (may be a previously configured one)
1388 if( FAILED( p_output_pin->EnumMediaTypes( &p_enummt ) ) )
1390 p_output_pin->Release();
1394 while( p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1396 int i_current_fourcc = GetFourCCFromMediaType( *p_mt );
1397 if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Video
1398 && p_mt->formattype == FORMAT_VideoInfo )
1400 int i_current_width = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1401 int i_current_height = ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1402 LONGLONG i_current_atpf = ((VIDEOINFOHEADER *)p_mt->pbFormat)->AvgTimePerFrame;
1404 if( i_current_height < 0 )
1405 i_current_height = -i_current_height;
1407 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1408 "accepts chroma: %4.4s, width:%i, height:%i, fps:%f",
1409 (char *)&i_current_fourcc, i_current_width,
1410 i_current_height, (10000000.0f/((float)i_current_atpf)) );
1412 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1413 ( !i_width || i_width == i_current_width ) &&
1414 ( !i_height || i_height == i_current_height ) &&
1415 ( !i_AvgTimePerFrame || i_AvgTimePerFrame == i_current_atpf ) &&
1419 mt[mt_count++] = *p_mt;
1421 else FreeMediaType( *p_mt );
1423 else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Audio
1424 && p_mt->formattype == FORMAT_WaveFormatEx)
1426 int i_current_channels =
1427 ((WAVEFORMATEX *)p_mt->pbFormat)->nChannels;
1428 int i_current_samplespersec =
1429 ((WAVEFORMATEX *)p_mt->pbFormat)->nSamplesPerSec;
1430 int i_current_bitspersample =
1431 ((WAVEFORMATEX *)p_mt->pbFormat)->wBitsPerSample;
1433 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1434 "accepts format: %4.4s, channels:%i, "
1435 "samples/sec:%i bits/sample:%i",
1436 (char *)&i_current_fourcc, i_current_channels,
1437 i_current_samplespersec, i_current_bitspersample);
1439 if( (!i_channels || i_channels == i_current_channels) &&
1440 (!i_samplespersec ||
1441 i_samplespersec == i_current_samplespersec) &&
1442 (!i_bitspersample ||
1443 i_bitspersample == i_current_bitspersample) &&
1447 mt[mt_count++] = *p_mt;
1449 /* Setup a few properties like the audio latency */
1450 IAMBufferNegotiation *p_ambuf;
1451 if( SUCCEEDED( p_output_pin->QueryInterface(
1452 IID_IAMBufferNegotiation, (void **)&p_ambuf ) ) )
1454 ALLOCATOR_PROPERTIES AllocProp;
1455 AllocProp.cbAlign = -1;
1457 /* 100 ms of latency */
1458 AllocProp.cbBuffer = i_current_channels *
1459 i_current_samplespersec *
1460 i_current_bitspersample / 8 / 10;
1462 AllocProp.cbPrefix = -1;
1463 AllocProp.cBuffers = -1;
1464 p_ambuf->SuggestAllocatorProperties( &AllocProp );
1468 else FreeMediaType( *p_mt );
1470 else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Stream )
1472 msg_Dbg( p_this, "EnumDeviceCaps: input pin "
1473 "accepts stream format: %4.4s",
1474 (char *)&i_current_fourcc );
1476 if( ( !i_fourcc || i_fourcc == i_current_fourcc ) &&
1480 mt[mt_count++] = *p_mt;
1481 i_fourcc = i_current_fourcc;
1483 else FreeMediaType( *p_mt );
1487 char *psz_type = "unknown";
1488 if( p_mt->majortype == MEDIATYPE_Video ) psz_type = "video";
1489 if( p_mt->majortype == MEDIATYPE_Audio ) psz_type = "audio";
1490 if( p_mt->majortype == MEDIATYPE_Stream ) psz_type = "stream";
1491 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: unsupported format "
1492 "(%s %4.4s)", psz_type, (char *)&p_mt->subtype );
1494 FreeMediaType( *p_mt );
1496 CoTaskMemFree( (PVOID)p_mt );
1499 if( !mt_count && p_enummt->Reset() == S_OK )
1501 // VLC did not find any supported MEDIATYPE for this output pin.
1502 // However the graph builder might insert converter filters in
1503 // the graph if we use a different codec in VLC filter input pin.
1504 // however, in order to avoid nasty surprises, make use of this
1505 // facility only for known unsupported codecs.
1507 while( !mt_count && p_enummt->Next( 1, &p_mt, NULL ) == S_OK )
1509 // the first four bytes of subtype GUID contains the codec FOURCC
1510 const char *pfcc = (char *)&p_mt->subtype;
1511 int i_current_fourcc = VLC_FOURCC(pfcc[0], pfcc[1], pfcc[2], pfcc[3]);
1512 if( VLC_FOURCC('H','C','W','2') == i_current_fourcc
1513 && p_mt->majortype == MEDIATYPE_Video )
1515 // output format for 'Hauppauge WinTV PVR PCI II Capture'
1516 // try I420 as an input format
1517 i_current_fourcc = VLC_FOURCC('I','4','2','0');
1518 if( !i_fourcc || i_fourcc == i_current_fourcc )
1520 // return alternative media type
1524 mtr.majortype = MEDIATYPE_Video;
1525 mtr.subtype = MEDIASUBTYPE_I420;
1526 mtr.bFixedSizeSamples = TRUE;
1527 mtr.bTemporalCompression = FALSE;
1529 mtr.formattype = FORMAT_VideoInfo;
1530 mtr.cbFormat = sizeof(vh);
1531 mtr.pbFormat = (BYTE *)&vh;
1533 memset(&vh, 0, sizeof(vh));
1535 vh.bmiHeader.biSize = sizeof(vh.bmiHeader);
1536 vh.bmiHeader.biWidth = i_width > 0 ? i_width :
1537 ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth;
1538 vh.bmiHeader.biHeight = i_height > 0 ? i_height :
1539 ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight;
1540 vh.bmiHeader.biPlanes = 3;
1541 vh.bmiHeader.biBitCount = 12;
1542 vh.bmiHeader.biCompression = VLC_FOURCC('I','4','2','0');
1543 vh.bmiHeader.biSizeImage = vh.bmiHeader.biWidth * 12 *
1544 vh.bmiHeader.biHeight / 8;
1545 mtr.lSampleSize = vh.bmiHeader.biSizeImage;
1547 msg_Dbg( p_this, "EnumDeviceCaps: input pin media: using 'I420' in place of unsupported format 'HCW2'");
1549 if( SUCCEEDED(CopyMediaType(mt+mt_count, &mtr)) )
1553 FreeMediaType( *p_mt );
1557 p_enummt->Release();
1558 p_output_pin->Release();
1561 p_enumpins->Release();
1565 /*****************************************************************************
1566 * ReadCompressed: reads compressed (MPEG/DV) data from the device.
1567 *****************************************************************************
1568 * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
1570 *****************************************************************************/
1571 static block_t *ReadCompressed( access_t *p_access )
1573 access_sys_t *p_sys = p_access->p_sys;
1574 dshow_stream_t *p_stream = NULL;
1575 VLCMediaSample sample;
1577 /* Read 1 DV/MPEG frame (they contain the video and audio data) */
1579 /* There must be only 1 elementary stream to produce a valid stream
1580 * of MPEG or DV data */
1581 p_stream = p_sys->pp_streams[0];
1585 if( p_access->b_die || p_access->b_error ) return 0;
1587 /* Get new sample/frame from the elementary stream (blocking). */
1588 vlc_mutex_lock( &p_sys->lock );
1590 if( p_stream->p_capture_filter->CustomGetPin()
1591 ->CustomGetSample( &sample ) != S_OK )
1593 /* No data available. Wait until some data has arrived */
1594 vlc_cond_wait( &p_sys->wait, &p_sys->lock );
1595 vlc_mutex_unlock( &p_sys->lock );
1599 vlc_mutex_unlock( &p_sys->lock );
1606 int i_data_size = sample.p_sample->GetActualDataLength();
1608 if( !i_data_size || !(p_block = block_New( p_access, i_data_size )) )
1610 sample.p_sample->Release();
1614 sample.p_sample->GetPointer( &p_data );
1615 p_access->p_libvlc->pf_memcpy( p_block->p_buffer, p_data, i_data_size );
1616 sample.p_sample->Release();
1618 /* The caller got what he wanted */
1622 return 0; /* never reached */
1625 /****************************************************************************
1627 ****************************************************************************/
1628 static int Demux( demux_t *p_demux )
1630 access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys;
1631 dshow_stream_t *p_stream = NULL;
1632 VLCMediaSample sample;
1633 int i_data_size, i_stream;
1637 vlc_mutex_lock( &p_sys->lock );
1639 /* Try to grab an audio sample (audio has a higher priority) */
1640 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1642 p_stream = p_sys->pp_streams[i_stream];
1643 if( p_stream->mt.majortype == MEDIATYPE_Audio &&
1644 p_stream->p_capture_filter &&
1645 p_stream->p_capture_filter->CustomGetPin()
1646 ->CustomGetSample( &sample ) == S_OK )
1651 /* Try to grab a video sample */
1652 if( i_stream == p_sys->i_streams )
1654 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
1656 p_stream = p_sys->pp_streams[i_stream];
1657 if( p_stream->p_capture_filter &&
1658 p_stream->p_capture_filter->CustomGetPin()
1659 ->CustomGetSample( &sample ) == S_OK )
1666 vlc_mutex_unlock( &p_sys->lock );
1668 if( i_stream == p_sys->i_streams )
1670 /* Sleep so we do not consume all the cpu, 10ms seems
1671 * like a good value (100fps) */
1679 i_data_size = sample.p_sample->GetActualDataLength();
1680 sample.p_sample->GetPointer( &p_data );
1682 REFERENCE_TIME i_pts, i_end_date;
1683 HRESULT hr = sample.p_sample->GetTime( &i_pts, &i_end_date );
1684 if( hr != VFW_S_NO_STOP_TIME && hr != S_OK ) i_pts = 0;
1688 if( p_stream->mt.majortype == MEDIATYPE_Video || !p_stream->b_pts )
1690 /* Use our data timestamp */
1691 i_pts = sample.i_timestamp;
1692 p_stream->b_pts = VLC_TRUE;
1696 i_pts /= 10; /* Dshow works with 100 nano-seconds resolution */
1699 msg_Dbg( p_demux, "Read() stream: %i, size: %i, PTS: "I64Fd,
1700 i_stream, i_data_size, i_pts );
1703 p_block = block_New( p_demux, i_data_size );
1704 p_demux->p_libvlc->pf_memcpy( p_block->p_buffer, p_data, i_data_size );
1705 p_block->i_pts = p_block->i_dts = i_pts;
1706 sample.p_sample->Release();
1708 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_pts > 0 ? i_pts : 0 );
1709 es_out_Send( p_demux->out, p_stream->p_es, p_block );
1714 /*****************************************************************************
1716 *****************************************************************************/
1717 static int AccessControl( access_t *p_access, int i_query, va_list args )
1719 vlc_bool_t *pb_bool;
1726 case ACCESS_CAN_SEEK:
1727 case ACCESS_CAN_FASTSEEK:
1728 case ACCESS_CAN_PAUSE:
1729 case ACCESS_CAN_CONTROL_PACE:
1730 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
1731 *pb_bool = VLC_FALSE;
1735 case ACCESS_GET_MTU:
1736 pi_int = (int*)va_arg( args, int * );
1740 case ACCESS_GET_PTS_DELAY:
1741 pi_64 = (int64_t*)va_arg( args, int64_t * );
1742 *pi_64 = (int64_t)var_GetInteger( p_access, "dshow-caching" ) * 1000;
1746 case ACCESS_SET_PAUSE_STATE:
1747 case ACCESS_GET_TITLE_INFO:
1748 case ACCESS_SET_TITLE:
1749 case ACCESS_SET_SEEKPOINT:
1750 case ACCESS_SET_PRIVATE_ID_STATE:
1751 return VLC_EGENERIC;
1754 msg_Warn( p_access, "unimplemented query in control" );
1755 return VLC_EGENERIC;
1761 /****************************************************************************
1763 ****************************************************************************/
1764 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
1771 /* Special for access_demux */
1772 case DEMUX_CAN_PAUSE:
1773 case DEMUX_SET_PAUSE_STATE:
1774 case DEMUX_CAN_CONTROL_PACE:
1775 pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
1779 case DEMUX_GET_PTS_DELAY:
1780 pi64 = (int64_t*)va_arg( args, int64_t * );
1781 *pi64 = (int64_t)var_GetInteger( p_demux, "dshow-caching" ) * 1000;
1784 case DEMUX_GET_TIME:
1785 pi64 = (int64_t*)va_arg( args, int64_t * );
1789 /* TODO implement others */
1791 return VLC_EGENERIC;
1794 return VLC_EGENERIC;
1797 /*****************************************************************************
1798 * config variable callback
1799 *****************************************************************************/
1800 static int FindDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1801 vlc_value_t newval, vlc_value_t oldval, void * )
1803 module_config_t *p_item;
1804 vlc_bool_t b_audio = VLC_FALSE;
1807 p_item = config_FindConfig( p_this, psz_name );
1808 if( !p_item ) return VLC_SUCCESS;
1810 if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = VLC_TRUE;
1812 /* Clear-up the current list */
1813 if( p_item->i_list )
1815 /* Keep the 2 first entries */
1816 for( i = 2; i < p_item->i_list; i++ )
1818 free( const_cast<char *>(p_item->ppsz_list[i]) );
1819 free( const_cast<char *>(p_item->ppsz_list_text[i]) );
1821 /* TODO: Remove when no more needed */
1822 p_item->ppsz_list[i] = NULL;
1823 p_item->ppsz_list_text[i] = NULL;
1827 /* Find list of devices */
1828 list<string> list_devices;
1830 /* Initialize OLE/COM */
1833 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1835 /* Uninitialize OLE/COM */
1838 if( !list_devices.size() ) return VLC_SUCCESS;
1841 (const char **)realloc( p_item->ppsz_list,
1842 (list_devices.size()+3) * sizeof(char *) );
1843 p_item->ppsz_list_text =
1844 (const char **)realloc( p_item->ppsz_list_text,
1845 (list_devices.size()+3) * sizeof(char *) );
1847 list<string>::iterator iter;
1848 for( iter = list_devices.begin(), i = 2; iter != list_devices.end();
1851 p_item->ppsz_list[i] = strdup( iter->c_str() );
1852 p_item->ppsz_list_text[i] = NULL;
1855 p_item->ppsz_list[i] = NULL;
1856 p_item->ppsz_list_text[i] = NULL;
1858 /* Signal change to the interface */
1859 p_item->b_dirty = VLC_TRUE;
1864 static int ConfigDevicesCallback( vlc_object_t *p_this, char const *psz_name,
1865 vlc_value_t newval, vlc_value_t oldval, void * )
1867 module_config_t *p_item;
1868 vlc_bool_t b_audio = VLC_FALSE;
1870 /* Initialize OLE/COM */
1873 p_item = config_FindConfig( p_this, psz_name );
1874 if( !p_item ) return VLC_SUCCESS;
1876 if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = VLC_TRUE;
1880 if( newval.psz_string && *newval.psz_string )
1882 devicename = newval.psz_string;
1886 /* If no device name was specified, pick the 1st one */
1887 list<string> list_devices;
1889 /* Enumerate devices */
1890 FindCaptureDevice( p_this, NULL, &list_devices, b_audio );
1891 if( !list_devices.size() ) return VLC_EGENERIC;
1892 devicename = *list_devices.begin();
1895 IBaseFilter *p_device_filter =
1896 FindCaptureDevice( p_this, &devicename, NULL, b_audio );
1897 if( p_device_filter )
1899 ShowPropertyPage( p_device_filter );
1900 p_device_filter->Release();
1904 /* Uninitialize OLE/COM */
1907 msg_Err( p_this, "didn't find device: %s", devicename.c_str() );
1908 return VLC_EGENERIC;
1911 /* Uninitialize OLE/COM */
1917 /*****************************************************************************
1919 *****************************************************************************/
1920 static void ShowPropertyPage( IUnknown *obj )
1922 ISpecifyPropertyPages *p_spec;
1925 HRESULT hr = obj->QueryInterface( IID_ISpecifyPropertyPages,
1927 if( FAILED(hr) ) return;
1929 if( SUCCEEDED(p_spec->GetPages( &cauuid )) )
1931 if( cauuid.cElems > 0 )
1933 HWND hwnd_desktop = ::GetDesktopWindow();
1935 OleCreatePropertyFrame( hwnd_desktop, 30, 30, NULL, 1, &obj,
1936 cauuid.cElems, cauuid.pElems, 0, 0, NULL );
1938 CoTaskMemFree( cauuid.pElems );
1944 static void ShowDeviceProperties( vlc_object_t *p_this,
1945 ICaptureGraphBuilder2 *p_graph,
1946 IBaseFilter *p_device_filter,
1947 vlc_bool_t b_audio )
1950 msg_Dbg( p_this, "configuring Device Properties" );
1953 * Video or audio capture filter page
1955 ShowPropertyPage( p_device_filter );
1960 if( p_graph && b_audio )
1962 IAMStreamConfig *p_SC;
1964 msg_Dbg( p_this, "showing WDM Audio Configuration Pages" );
1966 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1967 &MEDIATYPE_Audio, p_device_filter,
1968 IID_IAMStreamConfig, (void **)&p_SC );
1971 ShowPropertyPage(p_SC);
1979 HRESULT hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1980 &MEDIATYPE_Audio, p_device_filter,
1981 IID_IAMTVAudio, (void **)&p_TVA );
1984 ShowPropertyPage(p_TVA);
1992 if( p_graph && !b_audio )
1994 IAMStreamConfig *p_SC;
1996 msg_Dbg( p_this, "showing WDM Video Configuration Pages" );
1998 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
1999 &MEDIATYPE_Interleaved, p_device_filter,
2000 IID_IAMStreamConfig, (void **)&p_SC );
2003 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2004 &MEDIATYPE_Video, p_device_filter,
2005 IID_IAMStreamConfig, (void **)&p_SC );
2010 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2011 &MEDIATYPE_Stream, p_device_filter,
2012 IID_IAMStreamConfig, (void **)&p_SC );
2017 ShowPropertyPage(p_SC);
2023 static void ShowTunerProperties( vlc_object_t *p_this,
2024 ICaptureGraphBuilder2 *p_graph,
2025 IBaseFilter *p_device_filter,
2026 vlc_bool_t b_audio )
2029 msg_Dbg( p_this, "configuring Tuner Properties" );
2031 if( !p_graph || b_audio ) return;
2034 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2035 &MEDIATYPE_Interleaved, p_device_filter,
2036 IID_IAMTVTuner, (void **)&p_TV );
2039 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2040 &MEDIATYPE_Video, p_device_filter,
2041 IID_IAMTVTuner, (void **)&p_TV );
2046 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE,
2047 &MEDIATYPE_Stream, p_device_filter,
2048 IID_IAMTVTuner, (void **)&p_TV );
2053 ShowPropertyPage(p_TV);
2058 static void ConfigTuner( vlc_object_t *p_this, ICaptureGraphBuilder2 *p_graph,
2059 IBaseFilter *p_device_filter )
2061 int i_channel, i_country, i_input, i_amtuner_mode;
2066 if( !p_graph ) return;
2068 i_channel = var_GetInteger( p_this, "dshow-tuner-channel" );
2069 i_country = var_GetInteger( p_this, "dshow-tuner-country" );
2070 i_input = var_GetInteger( p_this, "dshow-tuner-input" );
2071 i_amtuner_mode = var_GetInteger( p_this, "dshow-amtuner-mode" );
2073 if( !i_channel && !i_country && !i_input ) return; /* Nothing to do */
2075 msg_Dbg( p_this, "tuner config: channel %i, country %i, input type %i",
2076 i_channel, i_country, i_input );
2078 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Interleaved,
2079 p_device_filter, IID_IAMTVTuner,
2083 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video,
2084 p_device_filter, IID_IAMTVTuner,
2090 hr = p_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Stream,
2091 p_device_filter, IID_IAMTVTuner,
2097 msg_Dbg( p_this, "couldn't find tuner interface" );
2101 hr = p_TV->GetAvailableModes( &l_modes );
2102 if( SUCCEEDED(hr) && (l_modes & i_amtuner_mode) )
2104 hr = p_TV->put_Mode( (AMTunerModeType)i_amtuner_mode );
2107 if( i_input == 1 ) p_TV->put_InputType( 0, TunerInputCable );
2108 else if( i_input == 2 ) p_TV->put_InputType( 0, TunerInputAntenna );
2110 p_TV->put_CountryCode( i_country );
2111 p_TV->put_Channel( i_channel, AMTUNER_SUBCHAN_NO_TUNE,
2112 AMTUNER_SUBCHAN_NO_TUNE );