source: trunk/Cosy/videodev/MVideo.cc@ 13452

Last change on this file since 13452 was 8869, checked in by tbretz, 17 years ago
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1/* ======================================================================== *\
2!
3! *
4! * This file is part of MARS, the MAGIC Analysis and Reconstruction
5! * Software. It is distributed to you in the hope that it can be a useful
6! * and timesaving tool in analysing Data of imaging Cerenkov telescopes.
7! * It is distributed WITHOUT ANY WARRANTY.
8! *
9! * Permission to use, copy, modify and distribute this software and its
10! * documentation for any purpose is hereby granted without fee,
11! * provided that the above copyright notice appear in all copies and
12! * that both that copyright notice and this permission notice appear
13! * in supporting documentation. It is provided "as is" without express
14! * or implied warranty.
15! *
16!
17!
18! Author(s): Thomas Bretz 1/2008 <mailto:tbretz@astro.uni-wuerzburg.de>
19!
20! Copyright: MAGIC Software Development, 2000-2008
21!
22!
23\* ======================================================================== */
24
25/////////////////////////////////////////////////////////////////////////////
26//
27// MVideo
28//
29// Interface to Video4Linux at a simple level
30//
31/////////////////////////////////////////////////////////////////////////////
32#include "MVideo.h"
33
34// iostream
35#include <iostream>
36
37// open
38#include <sys/types.h>
39#include <sys/stat.h>
40#include <fcntl.h>
41
42#include <unistd.h> // usleep
43#include <errno.h> // errno
44#include <sys/mman.h> // mmap
45#include <sys/ioctl.h> // ioctl
46
47#include <TEnv.h>
48#include <TString.h>
49
50#include "MLog.h"
51#include "MLogManip.h"
52
53#undef DEBUG
54
55using namespace std;
56
57//ClassImp(MVideo);
58
59MVideoCtrl::MVideoCtrl(const v4l2_queryctrl &ctrl)
60{
61 fId = ctrl.id;
62 fName = (const char*)ctrl.name;
63 fMinimum = ctrl.minimum;
64 fMaximum = ctrl.maximum;
65 fStep = ctrl.step;
66 fDefault = ctrl.default_value;
67}
68
69// -------------------------------------------------------------
70//
71// Constructor. Specify the device (e.g. "/dev/video") to be used
72//
73MVideo::MVideo(const char *path) : fPath(path), fFileDesc(-1), fMapBuffer(0)
74{
75 Reset();
76
77 fControls.SetOwner();
78}
79
80// -------------------------------------------------------------
81//
82// Internal function to reset the descriptors of the device
83//
84void MVideo::Reset()
85{
86 memset(&fCaps, 0, sizeof(fCaps));
87 memset(&fChannel, 0, sizeof(fChannel));
88 memset(&fBuffer, 0, sizeof(fBuffer));
89 memset(&fAbil, 0, sizeof(fAbil));
90
91 fFileDesc = -1;
92 fMapBuffer = 0;
93 fChannel.channel = -1;
94 fAbil.tuner = -1;
95
96 fControls.Delete();
97}
98
99// -------------------------------------------------------------
100//
101// Mapper around ioctl for easier access to the device
102//
103int MVideo::Ioctl(int req, void *opt, bool allowirq, bool force) const
104{
105 if (fFileDesc<0)
106 {
107 gLog << err << "ERROR - Ioctl: Device " << fPath << " not open." << endl;
108 return -1;
109 }
110
111 while (1)
112 {
113 // FIXME: This call is a possible source for a hangup
114 const int rc = ioctl(fFileDesc, req, opt);
115 if (rc>=0)
116 return rc;
117
118 // errno== 4: Interrupted system call (e.g. by alarm())
119 // errno==16: Device or resource busy
120 if (errno==4 || errno==16)
121 {
122 if (!allowirq && errno==4)
123 return -4;
124
125 gLog << err << "ERROR - MVideo::Ioctl 0x" << hex << req << ": errno=" << dec << errno << " - ";
126 gLog << strerror(errno) << " (rc=" << rc << ")" << endl;
127 usleep(10);
128 continue;
129 }
130
131 if (!force)
132 {
133 gLog << err << "ERROR - MVideo::Ioctl 0x" << hex << req << ": errno=" << dec << errno << " - ";
134 gLog << strerror(errno) << " (rc=" << rc << ")" << endl;
135 }
136 return rc;
137 }
138 return -1;
139}
140
141// -------------------------------------------------------------
142//
143// Read the capabilities of the device
144//
145Bool_t MVideo::GetCapabilities()
146{
147 return Ioctl(VIDIOCGCAP, &fCaps)!=-1;
148}
149
150// -------------------------------------------------------------
151//
152// Read the properties of the device
153//
154Bool_t MVideo::GetProperties()
155{
156 return Ioctl(VIDIOCGPICT, &fProp)!=-1;
157}
158
159// -------------------------------------------------------------
160//
161// Read the video standard
162//
163Bool_t MVideo::GetVideoStandard()
164{
165 return Ioctl(VIDIOC_G_STD, &fVideoStandard)==-1;
166}
167
168// -------------------------------------------------------------
169//
170// Read the abilities of the tuner
171//
172Bool_t MVideo::GetTunerAbilities()
173{
174 fAbil.tuner = 0; // FIXME?
175 return Ioctl(VIDIOCGTUNER, &fAbil)!=-1;
176}
177
178// -------------------------------------------------------------
179//
180// Enumerate (get) all controls from the device and store them
181// as MVideoCtrl in fControls, starting with the id given as
182// argument.
183//
184Bool_t MVideo::EnumerateControls(UInt_t id)
185{
186 struct v4l2_queryctrl qctrl;
187 memset(&qctrl, 0, sizeof(qctrl));
188 qctrl.id = id;
189
190 while (1)
191 {
192 if (Ioctl(VIDIOC_QUERYCTRL, &qctrl, true, true)==-1)
193 break;
194
195 if (qctrl.maximum<=qctrl.minimum)
196 continue;
197
198 fControls.Add(new MVideoCtrl(qctrl));
199
200 qctrl.id++;
201 }
202
203 return kTRUE;
204}
205
206// -------------------------------------------------------------
207//
208// Enumerate (get) all basic and private controls from the
209// device and store them as MVideoCtrl in fControls.
210//
211Bool_t MVideo::EnumerateControls()
212{
213 if (!EnumerateControls(V4L2_CID_BASE))
214 return kFALSE;
215 if (!EnumerateControls(V4L2_CID_PRIVATE_BASE))
216 return kFALSE;
217
218 return kTRUE;
219}
220
221// -------------------------------------------------------------
222//
223// Reset a given control to it's default value as defined
224// by the device.
225//
226Bool_t MVideo::ResetControl(MVideoCtrl &vctrl) const
227{
228 return WriteControl(vctrl, vctrl.fDefault);
229}
230
231// -------------------------------------------------------------
232//
233// Reset all enumereated device controls to their default.
234// The default is defined by the device iteself.
235//
236Bool_t MVideo::ResetControls() const
237{
238 Bool_t rc = kTRUE;
239
240 TIter Next(&fControls);
241 MVideoCtrl *ctrl = 0;
242 while ((ctrl=((MVideoCtrl*)Next())))
243 if (!ResetControl(*ctrl))
244 {
245 gLog << err << "ERROR - Could not reset " << ctrl->fName << "." << endl;
246 rc = kFALSE;
247 }
248
249 return rc;
250}
251
252// -------------------------------------------------------------
253//
254// Read the value of the given control from the device
255// and store it back into the given MVideoCtrl.
256//
257Bool_t MVideo::ReadControl(MVideoCtrl &vctrl) const
258{
259 struct v4l2_control ctrl = { vctrl.fId, 0 };
260 if (Ioctl(VIDIOC_G_CTRL, &ctrl)==-1)
261 return kFALSE;
262
263 vctrl.fValue = ctrl.value;
264
265 return kTRUE;
266}
267
268// -------------------------------------------------------------
269//
270// Write the given value into the given control of the device.
271// On success the value is stored in the given MVideoCtrl.
272//
273Bool_t MVideo::WriteControl(MVideoCtrl &vctrl, Int_t val) const
274{
275 if (val<vctrl.fMinimum)
276 {
277 gLog << err << "ERROR - Value of " << val << " below minimum of " << vctrl.fMinimum << " for " << vctrl.fName << endl;
278 return kFALSE;
279 }
280
281 if (val>vctrl.fMaximum)
282 {
283 gLog << err << "ERROR - Value of " << val << " above maximum of " << vctrl.fMaximum << " for " << vctrl.fName << endl;
284 return kFALSE;
285 }
286
287 struct v4l2_control ctrl = { vctrl.fId, val };
288 if (Ioctl(VIDIOC_S_CTRL, &ctrl)==-1)
289 return kFALSE;
290
291 vctrl.fValue = val;
292
293 return kTRUE;
294}
295
296// -------------------------------------------------------------
297//
298// Set all controls from a TEnv. Note that all whitespaces
299// and colons in the control names (as defined by the name of
300// the MVideoCtrls stored in fControls) are replaced by
301// underscores.
302//
303Bool_t MVideo::SetControls(TEnv &env) const
304{
305 Bool_t rc = kTRUE;
306
307 TIter Next(&fControls);
308 TObject *o = 0;
309 while ((o=Next()))
310 {
311 if (!env.Defined(o->GetName()))
312 continue;
313
314 TString str = env.GetValue(o->GetName(), "");
315 str = str.Strip(TString::kBoth);
316 str.ReplaceAll(" ", "_");
317 str.ReplaceAll(":", "_");
318 if (str.IsNull())
319 continue;
320
321 MVideoCtrl &ctrl = *static_cast<MVideoCtrl*>(o);
322
323 const Int_t val = str=="default" || str=="def" ?
324 ctrl.fDefault : env.GetValue(o->GetName(), 0);
325
326 if (!WriteControl(ctrl, val))
327 rc = kFALSE;
328 }
329
330 return rc;
331}
332
333
334// -------------------------------------------------------------
335//
336// Open channel ch of the device
337//
338Bool_t MVideo::Open(Int_t ch)
339{
340 Bool_t rc = Init(ch);
341 if (!rc)
342 Close();
343 return rc;
344}
345
346// -------------------------------------------------------------
347//
348// Open a channel of the device and retriev all necessary
349// informations from the driver. Initialize the shared
350// memory. Other access methods are not supported yet.
351//
352Bool_t MVideo::Init(Int_t channel)
353{
354 if (IsOpen())
355 {
356 gLog << warn << "WARNING - Device " << fPath << " already open." << endl;
357 return kTRUE;
358 }
359
360 gLog << all << "Opening " << fPath << "... " << flush;
361 do
362 {
363 fFileDesc = open(fPath, O_RDWR);
364 usleep(1);
365 }
366 while (errno==19 && fFileDesc==-1);
367
368 if (fFileDesc == -1)
369 {
370 gLog << err << "ERROR: " << strerror(errno) << endl;
371 return kFALSE;
372 }
373
374 gLog << "done (" << fFileDesc << ")." << endl;
375
376 // Close device on exit
377 if (fcntl(fFileDesc, F_SETFD, FD_CLOEXEC)<0)
378 {
379 gLog << err << "ERROR - Call to fnctl (F_SETFD, FD_CLOEXEC) failed." << endl;
380 return kFALSE;
381 }
382
383 gLog << warn << "Setting video standard to PAL-N." << endl;
384
385 fVideoStandard = V4L2_STD_PAL_N;
386 if (Ioctl(VIDIOC_S_STD, &fVideoStandard)==-1)
387 {
388 gLog << err << "ERROR - Could not set video standard to PAL-N." << endl;
389 return kFALSE;
390 }
391
392 if (!EnumerateControls())
393 {
394 gLog << err << "ERROR - Could not enumerate controls." << endl;
395 return kFALSE;
396 }
397
398 if (!ResetControls())
399 {
400 gLog << err << "ERROR - Could not reset controls to default." << endl;
401 return kFALSE;
402 }
403
404 if (!GetCapabilities())
405 {
406 gLog << err << "ERROR - Getting device capabilities failed." << endl;
407 return kFALSE;
408 }
409
410 if (!SetChannel(channel))
411 return kFALSE;
412
413 if (!GetProperties())
414 {
415 gLog << err << "ERROR - Couldn't get picture properties." << endl;
416 return kFALSE;
417 }
418/*
419 if (HasTuner())
420 {
421 if (!GetTunerAbilities())
422 {
423 gLog << err << "ERROR - Couldn't get tuner abilities." << endl;
424 return kFALSE;
425 }
426 }
427 */
428 // get mmap grab buffer info
429 if (Ioctl(VIDIOCGMBUF, &fBuffer)==-1)
430 {
431 gLog << err << "ERROR - Couldn't get info about memory map buffer." << endl;
432 return kFALSE;
433 }
434
435 // map file (device) into memory
436 fMapBuffer = (unsigned char*)mmap(0, fBuffer.size, PROT_READ|PROT_WRITE, MAP_SHARED, fFileDesc, 0);
437 if (fMapBuffer == (void*)-1)
438 {
439 gLog << err << "ERROR - Couldn't map device buffer into memory." << endl;
440 fMapBuffer = 0;
441 return kFALSE;
442 }
443
444 Print();
445
446 return kTRUE;
447}
448
449// -------------------------------------------------------------
450//
451// Close device. Free the shared memory
452//
453Int_t MVideo::Close()
454{
455 // if (!IsOpen())
456 // return kTRUE;
457
458 Bool_t rc = kTRUE;
459
460 gLog << all << "Closing " << fPath << " (" << fFileDesc << ")... " << flush;
461 if (fFileDesc != -1)
462 {
463 if (close(fFileDesc)<0)
464 {
465 gLog << err << "ERROR!" << endl;
466 rc = kFALSE;
467 }
468 fFileDesc = -1;
469 }
470 gLog << "done." << endl;
471
472 // unmap device memory
473 if (fMapBuffer)
474 munmap(fMapBuffer, fBuffer.size);
475
476 Reset();
477
478 return rc;
479}
480
481// -------------------------------------------------------------
482//
483// Instruct hardware to start capture into framebuffer frame
484//
485Bool_t MVideo::CaptureStart(unsigned int frame) const
486{
487 frame %= fBuffer.frames;
488
489 struct video_mmap gb =
490 {
491 frame, // frame
492 fCaps.maxheight, fCaps.maxwidth, // height, width
493 VIDEO_PALETTE_RGB24 // palette
494 };
495
496#ifdef DEBUG
497 gLog << dbg << "CapturStart(" << frame << ")" << endl;
498#endif
499
500 //
501 // capture frame
502 //
503 if (Ioctl(VIDIOCMCAPTURE, &gb) != -1)
504 return kTRUE;
505
506// if (errno == EAGAIN)
507 gLog << err;
508 gLog << "ERROR - Couldn't start capturing frame " << frame << "." << endl;
509 gLog << " Maybe your card doesn't support VIDEO_PALETTE_RGB24." << endl;
510
511 return kFALSE;
512}
513
514// -------------------------------------------------------------
515//
516// Wait until hardware has finished capture into framebuffer frame
517//
518Int_t MVideo::CaptureWait(unsigned int frame, unsigned char **ptr) const
519{
520 frame %= fBuffer.frames;
521
522 if (ptr)
523 *ptr = NULL;
524
525 const int SYNC_TIMEOUT = 1;
526
527#ifdef DEBUG
528 gLog << dbg << "CaptureWait(" << frame << ")" << endl;
529#endif
530
531 alarm(SYNC_TIMEOUT);
532 const Int_t rc = Ioctl(VIDIOCSYNC, &frame, false);
533 if (rc==-4)
534 {
535 //cout << "ERROR - Waiting for frame " << frame << " timed out." << endl;
536 return kSKIP;
537 }
538 alarm(0);
539
540 if (rc==-1)
541 {
542 gLog << err << "ERROR - Waiting for " << frame << " frame failed." << endl;
543 return kFALSE;
544 }
545
546 if (ptr)
547 *ptr = fMapBuffer+fBuffer.offsets[frame];
548
549 return kTRUE;
550}
551
552// -------------------------------------------------------------
553//
554// Change the channel of a priviously opened device
555//
556Int_t MVideo::SetChannel(Int_t chan)
557{
558 if (fChannel.channel==chan)
559 return kSKIP;
560
561 if (chan<0 || chan>=fCaps.channels)
562 {
563 gLog << err << "ERROR - Set channel " << chan << " out of range." << endl;
564 return kFALSE;
565 }
566
567 // Switch to channel
568 struct video_channel ch = { chan, "", 0, 0, 0, 0 };
569 if (Ioctl(VIDIOCSCHAN, &ch)==-1)
570 {
571 gLog << err << "ERROR - Couldn't switch to channel " << chan << "." << endl;
572 gLog << " You might need a bttv version > 0.5.13" << endl;
573 return kFALSE;
574 }
575
576 // Get information about channel
577 if (Ioctl(VIDIOCGCHAN, &ch)==-1)
578 {
579 gLog << err << "ERROR - Getting information for channel " << chan << " failed." << endl;
580 return kFALSE;
581 }
582
583 memcpy(&fChannel, &ch, sizeof(fChannel));
584
585 gLog << all << "Switched to channel " << chan << endl;
586
587 return kTRUE;
588}
589
590// -------------------------------------------------------------
591//
592// Has the device capture capabilities?
593//
594Bool_t MVideo::CanCapture() const
595{
596 return fCaps.type&VID_TYPE_CAPTURE;
597}
598
599// -------------------------------------------------------------
600//
601// Has a tuner
602//
603Bool_t MVideo::HasTuner() const
604{
605 return fCaps.type&VID_TYPE_TUNER;
606}
607
608// -------------------------------------------------------------
609//
610// Returns the number of frame buffers which can be used
611//
612Int_t MVideo::GetNumBuffers() const
613{
614 return fBuffer.frames;
615}
616
617// -------------------------------------------------------------
618//
619// Maximum width of the frame which can be captured
620//
621Int_t MVideo::GetWidth() const
622{
623 return fCaps.maxwidth;
624}
625
626// -------------------------------------------------------------
627//
628// Maximum height of the frame which can be captured
629//
630Int_t MVideo::GetHeight() const
631{
632 return fCaps.maxheight;
633}
634
635// -------------------------------------------------------------
636//
637// Return the device type as string
638//
639TString MVideo::GetDevType(int type) const
640{
641 TString rc;
642 if (CanCapture())
643 rc += " capture";
644 if (HasTuner())
645 rc += " tuner";
646 if (type&VID_TYPE_TELETEXT)
647 rc += " teletext";
648 if (type&VID_TYPE_OVERLAY)
649 rc += " overlay";
650 if (type&VID_TYPE_CHROMAKEY)
651 rc += " chromakey";
652 if (type&VID_TYPE_CLIPPING)
653 rc += " clipping";
654 if (type&VID_TYPE_FRAMERAM)
655 rc += " frameram";
656 if (type&VID_TYPE_SCALES)
657 rc += " scales";
658 if (type&VID_TYPE_MONOCHROME)
659 rc += " monochrom";
660 if (type&VID_TYPE_SUBCAPTURE)
661 rc += " subcapature";
662 return rc;
663}
664
665TString MVideo::GetTunerFlags(Int_t flags) const
666{
667 TString rc;
668 if (flags&VIDEO_TUNER_PAL)
669 rc += " PAL";
670 if (flags&VIDEO_TUNER_NTSC)
671 rc += " NTSC";
672 if (flags&VIDEO_TUNER_SECAM)
673 rc += " SECAM";
674 if (flags&VIDEO_TUNER_LOW)
675 rc += " kHz";
676 if (flags&VIDEO_TUNER_NORM)
677 rc += " CanSetNorm";
678 if (flags&VIDEO_TUNER_STEREO_ON)
679 rc += " StereoOn";
680 return rc;
681}
682
683TString MVideo::GetTunerMode(Int_t mode) const
684{
685 switch (mode)
686 {
687 case VIDEO_MODE_PAL:
688 return "PAL";
689 case VIDEO_MODE_NTSC:
690 return "NTSC";
691 case VIDEO_MODE_SECAM:
692 return "SECAM";
693 case VIDEO_MODE_AUTO:
694 return "AUTO";
695 }
696 return "undefined";
697}
698
699// -------------------------------------------------------------
700//
701// Return the channel flags as string
702//
703TString MVideo::GetChannelFlags(Int_t flags) const
704{
705 TString rc = "video";
706 if (flags&VIDEO_VC_TUNER)
707 rc += " tuner";
708 if (flags&VIDEO_VC_AUDIO)
709 rc += " audio";
710// if (flags&VIDEO_VC_NORM)
711// rc += " normsetting";
712 return rc;
713}
714
715// -------------------------------------------------------------
716//
717// Return the channel type as string
718//
719TString MVideo::GetChannelType(Int_t type) const
720{
721 if (type&VIDEO_TYPE_TV)
722 return "TV";
723 if (type&VIDEO_TYPE_CAMERA)
724 return "Camera";
725 return "unknown";
726}
727
728// -------------------------------------------------------------
729//
730// Return the palette pal as string
731//
732TString MVideo::GetPalette(Int_t pal) const
733{
734 switch (pal)
735 {
736 case VIDEO_PALETTE_GREY:
737 return "VIDEO_PALETTE_GREY: Linear intensity grey scale";
738 case VIDEO_PALETTE_HI240:
739 return "VIDEO_PALETTE_HI240: BT848 8-bit color cube";
740 case VIDEO_PALETTE_RGB565:
741 return "VIDEO_PALETTE_RGB565: RGB565 packed into 16-bit words";
742 case VIDEO_PALETTE_RGB555:
743 return "VIDEO_PALETTE_RGB555: RGB555 packed into 16-bit words, top bit undefined";
744 case VIDEO_PALETTE_RGB24:
745 return "VIDEO_PALETTE_RGB24: RGB888 packed into 24-bit words";
746 case VIDEO_PALETTE_RGB32:
747 return "VIDEO_PALETTE_RGB32: RGB888 packed into the low three bytes of 32-bit words. Top bits undefined.";
748 case VIDEO_PALETTE_YUV422:
749 return "VIDEO_PALETTE_YUV422: Video style YUV422 - 8-bit packed, 4-bit Y, 2-bits U, 2-bits V";
750 case VIDEO_PALETTE_YUYV:
751 return "VIDEO_PALETTE_YUYV: YUYV";
752 case VIDEO_PALETTE_UYVY:
753 return "VIDEO_PALETTE_UYVY: UYVY";
754 case VIDEO_PALETTE_YUV420:
755 return "VIDEO_PALETTE_YUV420: YUV420";
756 case VIDEO_PALETTE_YUV411:
757 return "VIDEO_PALETTE_YUV411: YUV411";
758 case VIDEO_PALETTE_RAW:
759 return "VIDEO_PALETTE_RAW: Raw capture (Bt848)";
760 case VIDEO_PALETTE_YUV422P:
761 return "VIDEO_PALETTE_YUV422P: YUV 4:2:2 planar";
762 case VIDEO_PALETTE_YUV411P:
763 return "VIDEO_PALETTE_YUV411P: YUV 4:1:1 planar";
764 }
765 return "unknown";
766}
767
768// -------------------------------------------------------------
769//
770// Print informations about the device, the capabilities, the
771// channel and all available information
772//
773void MVideo::Print() const
774{
775 gLog << all << dec;
776
777 gLog << "Device " << fPath << " " << (IsOpen()?"open":"closed") << "." << endl;
778
779 if (!IsOpen())
780 return;
781
782 gLog << " - Name: " << fCaps.name << endl;
783 gLog << " - DevType: " << GetDevType(fCaps.type) << endl;
784 gLog << " - Channels: " << fCaps.channels << endl;
785 gLog << " - Audios: " << fCaps.audios << endl;
786 gLog << " - Size: ";
787 gLog << fCaps.minwidth << "x" << fCaps.minheight << " to ";
788 gLog << fCaps.maxwidth << "x" << fCaps.maxheight << endl;
789 gLog << endl;
790 if (fChannel.channel>=0)
791 {
792 gLog << " - Channel: " << fChannel.channel << " (" << fChannel.name << ")" << endl;
793 gLog << " - IsA: " << GetChannelType(fChannel.type) << " with " << GetChannelFlags(fChannel.flags) << " (" << fChannel.flags << ")" << endl;
794 //if (fChannel.flags&VIDEO_VC_NORM)
795 gLog << " - Norm: " << fChannel.norm << endl;
796 gLog << endl;
797 }
798
799 if (fAbil.tuner>=0)
800 {
801 gLog << " - Tuner: " << fAbil.tuner << endl;
802 gLog << " - Name: " << fAbil.name << endl;
803 gLog << " - Tuner Range: " << fAbil.rangelow << " - " << fAbil.rangehigh << endl;
804 gLog << " - Tuner flags: " << GetTunerFlags(fAbil.flags) << " (" << fAbil.flags << ")" << endl;
805 gLog << " - Tuner mode: " << GetTunerMode(fAbil.mode) << " (" << fAbil.mode << ")" <<endl;
806 gLog << " - Signal Strength: " << fAbil.signal << endl;
807 }
808
809 gLog << " - Brightness: " << fProp.brightness << endl;
810 gLog << " - Hue: " << fProp.hue << endl;
811 gLog << " - Color: " << fProp.colour << endl;
812 gLog << " - Contrast: " << fProp.contrast << endl;
813 gLog << " - Whiteness: " << fProp.whiteness << endl;
814 gLog << " - Depth: " << fProp.depth << endl;
815 gLog << " - Palette: " << GetPalette(fProp.palette) << " (" << fProp.palette << ")" << endl;
816 gLog << endl;
817
818 gLog << " - BufferSize: 0x" << hex << fBuffer.size << " (" << dec << fBuffer.frames << " frames)" << endl;
819 gLog << " - Offsets: " << hex;
820 for (int i=0; i<fBuffer.frames; i++)
821 gLog << " 0x" << fBuffer.offsets[i];
822 gLog << dec << endl;
823
824 gLog << inf2 << "Controls:" << endl;
825 fControls.Print();
826}
827
828/*
829void MVideo::SetPicPar(int bright, int hue, int contrast)
830{
831 struct video_picture pict;
832
833 Ioctl(VIDIOCGPICT, &pict); // get
834
835 if (contrast != -1)
836 pict.contrast = contrast;
837
838 if (bright != -1)
839 pict.brightness = bright;
840
841 if (hue != -1)
842 pict.hue = hue;
843
844 Ioctl(VIDIOCSPICT, &pict); //set
845}
846
847void MVideo::GetPicPar(int *bright, int *hue, int *contrast)
848{
849 struct video_picture pict;
850
851 Ioctl(VIDIOCGPICT, &pict); // get
852
853 *contrast = pict.contrast;
854 *bright = pict.brightness;
855 *hue = pict.hue;
856}
857*/
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