/************* Changelog spcaview *****************/06/11/2006:version 1.1.7	FIX broken s key feature !! Who know it was broken ??	FIX 160x120 jpeg decoder for 422 stream28/08/2006:version 1.1.6	Add Flicker filters 50Hz 60Hz No flickers Thanks Serge A. Suchkov10/12/2005:version 1.1.5rc2	Add ioctl to spcav4l.c spcav4l.h	implement callback to spcaserv and spcaview client	change key to	d quality up	f quality down	g framerate up	h framerate down	j autoexpo on/off10/12/2005:version 1.1.5rc1	Add ioctl private management to spcaview (spcaserv and spcacat is not	set ATM )	quality	autoexposure ON/off	frame time interval	Update Java Applet with a FIX from Andrea Partinico	Update java Applet feature contrast and brightness can be set with the	mouse now, Thanks to Andrea Partinico :)	 12/11/2005version 1.1.4	FIX -N parameters in spcacat 	Update the java Appletversion 1.1.3	spca5xx now can use a two framebuffers update spcaview 	FIX problem with some camera the first frame is empty 07/10/2005:version 1.1.2	Add a command key c on the client side server should send a 100ms pulse	on pin 1401/10/2005:version 1.1.1	Fix problem when parport is claim by another program disable use parport24/09/2005:version 1.1.0rc2	Add "spcacat" tools take a picture in jpeg every x ms 		store in a date/hours/Picture forms or overwrite the picture		name	look at spcacat -h for more info	change makefile for spcacat	make install_spcacat build and install the binary no depencies23/09/2005:	version 1.1.0rc1	change makefile spcaserv can be compiled without libsdl with:	make install_spcaserv	Break server client compatibilty with previous version	use packed struct to solve x86/x86_64 problem	change the java Applet according the struct packed	18/09/2005:	version 1.0.9	FIX a bug in the bridge detection	Add a lot of missing new bridge14/06/2005:	version 1.0.8	Allow full screen in player mode 	Fix only q should quit in grabber mode	Add colors and exposure set get for the server messages02/06/2005:	version 1.0.7	FIX some parport bugs with x and y messages	FIX PPRELEASE on close01/06/2005:	version 1.0.6	use parallel port and a small hardware available soon with spcaserv	break the java applet sorry use the last revision or patch the applet:(	client can now goes sleep and should be wakeup on an event on the server	client can change brightness and contrast	client can drive xy tracking camera set on the server available soon :)05/05/2005:	version 1.0.5:	bugfix spca561 probe size	Improve client server protocol24/04/2005:	version 1.0.4	Add bridge Sonix sn9c102p jpeg without header19/04/2005:	version 1.0.3	Client now display date and hours from the server	Add a oneshoot feature with -N parameters -N can be combined with -p	for example:	spcaview -f jpg -s 320x240 -p 10 -N 2	start spcaview take a picture 10 second after start then another one at	20 seconds and exit 	if -p is not set default delay is set to 1 second	if -N is set to 0 :) then take one picture and exit 27/03/2005:	FIX bug segfault when the bridge are unknow	version 1.0.226/03/2005:	FIX -b segfault thanks Jos van Wolput for the feedback and test	a lot of cleanup thanks Mark Studebaker	for the feedback and test25/03/2005:	Add the applet from Alvaro (nx5) :)	FIX palette rgb565 and rgb32 in the server	change version to 1.0.018/03/2005:	FIX if client or server is down wait and shutdown the thread or the	server.		15/03/2005:	big rewrite start :)	Add resizer feature -m parameters can change aspect ratio :)	Picture always goes in jpeg form	record Picture as jpeg file or in an avi file 	Picture now have is own thread	split code player grabber server client	FIX player in frame by frame mode wait instead poll a lot of CPU cycle	saved :)	For embedded device spcaview now have is own jpeg decoder and jpeg	encoder (no more need jpeglib save 100ko memory space)	FIX from Tyler Montbriand SDL_audiolib did not block if the sound device	are opened in full duplex mode :)01/01/2005	Change UNIX itimer with signal used to SDL_timer 	picture get with -p is now set by date/times 	31/12/2004	Version is set to 0.4 major change	Add -j grab without SDL windows	Add SDL_audioin instead sndlib		SDL_audioin is compiled inside spcaview so no need of external dependancies		Rewrite the sound support works with low frame rate camera 5 fp/s and hight rate 30 fp/s		Add -p options get picture every N seconds Thanks David Lecombier and Stas Bevc	Add -t Print statistic on the console21/12/2004	Add Conexant cx11646 bridge01/10/2004	Add alternate resolution for the zc30x chips (available only for rgb yuv	palette)	Change version number spcaview-01102004 become spcaview-2004100126/09/2004	Add support for the zc30x chips (jpeg 4.2.2)		01/09/2004	Add support for the spca536, Our Sonix and Zr364xx Camera driver	Make -f jpg work with true jpeg stream get from the kernel23/08/2004	Fix some problem with autoadjust the initial brightness is get from the cam now	Adjust MAXBRIGHT to 50000 to avoid saturation with some cam	restore the statitistic feature when autobrightness is not set	and autobrightness value when set17/08/2004	Add autobrightness feature from Gihan Marasingha	change version 0.2920/05/2004	Add probe function spca5xx camera report palette and size available	bridge and Camera name.	15/04/2004	Add -n norme parameters 0 ->PAL || 1 -> NTSC || 2 -> Secam	Add -c Channel [0..3] VideoComposite [6..9] S-Video	Change version 0.2713/03/2004	Clean up Statistic	Change version 0.26 26/02/2004	Add compressor for yuv420p stream "Differential Pixel Static Huffman" encoder decoder	option -z that allow compression without loss on yuv stream (~50% in size)21/01/2004	Add screenshot when the cam stream only press the "s" key when you have focus 	on the windows grabber.The Picture goes in your current directory.	Minor change in frame refresh31/12/2003	Add -v grab in raw mode use with -o rawfile.avi start of frame is 0x30 0x30 0x64 0x62 	follow with size 32 bits	and the raw frame to detect the end try to found 0x00000000 :)	I will try encode a Spcaheader soon in the module to get the real frame size 01/11/2003	Add -g put the grab method to read instead mmap30/10/2003	Add VIDEO_PALETTE_RGB565 in record and play mode	ask with -f r16 the fourcc used RGB219/10/2003	Add pictures control with the player key s when the stream is stopped		in RAW JPEG make a jpg screenshoot		in YUV RGB  make a pnm screenshoot	Fix bug with sound in frame by frame mode down	Clean the Makefile	Add the readme.avilib 18/10/2003	Add 	-a for audio input 0 is no audio, 1 microphone, 2 mixer output		-f select the input format from the driver 	r24 RGB 24bits								r32 RGB 32bits								yuv YUV420P								jpg RAW JPEG24/08/2003	Add -d feature to ask another device /dev/videoX23/08/2003	Change Sample audio sample rate and audio buffer size	for cam with low frame rate (Aiptek mini PenCam 1.10/08/2003	Add -s feature for Aiptek PocketDVII test