def show(file): import gl, GL, DEVICE jpegdata = open(file, 'r').read() imgdata, width, height, bytesperpixel = decompress(jpegdata) gl.foreground() gl.prefsize(width, height) win = gl.winopen(file) if bytesperpixel == 1: gl.cmode() gl.pixmode(GL.PM_SIZE, 8) gl.gconfig() for i in range(256): gl.mapcolor(i, i, i, i) else: gl.RGBmode() gl.pixmode(GL.PM_SIZE, 32) gl.gconfig() gl.qdevice(DEVICE.REDRAW) gl.qdevice(DEVICE.ESCKEY) gl.qdevice(DEVICE.WINQUIT) gl.qdevice(DEVICE.WINSHUT) gl.lrectwrite(0, 0, width - 1, height - 1, imgdata) while 1: dev, val = gl.qread() if dev in (DEVICE.ESCKEY, DEVICE.WINSHUT, DEVICE.WINQUIT): break if dev == DEVICE.REDRAW: gl.lrectwrite(0, 0, width - 1, height - 1, imgdata) gl.winclose(win) newjpegdata = compress(imgdata, width, height, bytesperpixel) open('/tmp/j.jpg', 'w').write(newjpegdata)
def main(): format = SV.RGB8_FRAMES requestedwidth = SV.PAL_XMAX queuesize = 30 if sys.argv[1:]: queuesize = eval(sys.argv[1]) v = sv.OpenVideo() svci = (format, requestedwidth, 0, queuesize, 0) go = raw_input('Press return to capture ' + ` queuesize ` + ' frames: ') result = v.CaptureBurst(svci) svci, buffer, bitvec = result ## svci, buffer = result # XXX If bit vector not yet implemented print 'Captured', svci[3], 'frames, i.e.', len(buffer) / 1024, 'K bytes' w, h = svci[1:3] framesize = w * h gl.prefposition(300, 300 + w - 1, 100, 100 + h - 1) gl.foreground() win = gl.winopen('Burst Capture') gl.RGBmode() gl.gconfig() gl.qdevice(DEVICE.LEFTMOUSE) gl.qdevice(DEVICE.ESCKEY) print 'Click left mouse for next frame' for i in range(svci[3]): inverted_frame = sv.RGB8toRGB32(1, \ buffer[i*framesize:(i+1)*framesize], w, h) gl.lrectwrite(0, 0, w - 1, h - 1, inverted_frame) while 1: dev, val = gl.qread() if dev == DEVICE.LEFTMOUSE and val == 1: break if dev == DEVICE.REDRAW: gl.lrectwrite(0, 0, w - 1, h - 1, inverted_frame) if dev == DEVICE.ESCKEY: v.CloseVideo() gl.winclose(win) return v.CloseVideo() gl.winclose(win)
def main(): gl.foreground() gl.prefsize(SV.PAL_XMAX, SV.PAL_YMAX) win = gl.winopen('video test') v = sv.OpenVideo() params = [SV.VIDEO_MODE, SV.COMP, SV.BROADCAST, SV.PAL] v.SetParam(params) v.BindGLWindow(win, SV.IN_REPLACE) gl.qdevice(DEVICE.ESCKEY) gl.qdevice(DEVICE.WINQUIT) gl.qdevice(DEVICE.WINSHUT) while 1: dev, val = gl.qread() if dev in (DEVICE.ESCKEY, DEVICE.WINSHUT, DEVICE.WINQUIT): v.CloseVideo() gl.winclose(win) return
def main(): format = SV.RGB8_FRAMES requestedwidth = SV.PAL_XMAX queuesize = 30 if sys.argv[1:]: queuesize = eval(sys.argv[1]) v = sv.OpenVideo() svci = (format, requestedwidth, 0, queuesize, 0) go = raw_input('Press return to capture ' + `queuesize` + ' frames: ') result = v.CaptureBurst(svci) svci, buffer, bitvec = result ## svci, buffer = result # XXX If bit vector not yet implemented print 'Captured', svci[3], 'frames, i.e.', len(buffer)/1024, 'K bytes' w, h = svci[1:3] framesize = w * h gl.prefposition(300, 300+w-1, 100, 100+h-1) gl.foreground() win = gl.winopen('Burst Capture') gl.RGBmode() gl.gconfig() gl.qdevice(DEVICE.LEFTMOUSE) gl.qdevice(DEVICE.ESCKEY) print 'Click left mouse for next frame' for i in range(svci[3]): inverted_frame = sv.RGB8toRGB32(1, \ buffer[i*framesize:(i+1)*framesize], w, h) gl.lrectwrite(0, 0, w-1, h-1, inverted_frame) while 1: dev, val = gl.qread() if dev == DEVICE.LEFTMOUSE and val == 1: break if dev == DEVICE.REDRAW: gl.lrectwrite(0, 0, w-1, h-1, inverted_frame) if dev == DEVICE.ESCKEY: v.CloseVideo() gl.winclose(win) return v.CloseVideo() gl.winclose(win)
def imageview(file): import cl, CL, gl, GL, DEVICE filep = open(file, 'r') header = filep.read(16) filep.seek(0) scheme = cl.QueryScheme(header) decomp = cl.OpenDecompressor(scheme) headersize = cl.QueryMaxHeaderSize(scheme) header = filep.read(headersize) filep.seek(0) headersize = decomp.ReadHeader(header) width = decomp.GetParam(CL.IMAGE_WIDTH) height = decomp.GetParam(CL.IMAGE_HEIGHT) params = [CL.ORIGINAL_FORMAT, CL.RGBX, \ CL.ORIENTATION, CL.BOTTOM_UP, \ CL.FRAME_BUFFER_SIZE, width*height*CL.BytesPerPixel(CL.RGBX)] decomp.SetParams(params) image = decomp.Decompress(1, filep.read()) filep.close() decomp.CloseDecompressor() gl.foreground() gl.prefsize(width, height) win = gl.winopen(file) gl.RGBmode() gl.pixmode(GL.PM_SIZE, 32) gl.gconfig() gl.qdevice(DEVICE.REDRAW) gl.qdevice(DEVICE.ESCKEY) gl.qdevice(DEVICE.WINQUIT) gl.qdevice(DEVICE.WINSHUT) gl.lrectwrite(0, 0, width-1, height-1, image) while 1: dev, val = gl.qread() if dev in (DEVICE.ESCKEY, DEVICE.WINSHUT, DEVICE.WINQUIT): break if dev == DEVICE.REDRAW: gl.lrectwrite(0, 0, width-1, height-1, image) gl.winclose(win)
# Implement 'jpeg' interface using SGI's compression library
import gl, GL
# Live video input from display class.
#! /usr/bin/env python # Play CMIF movie files # Help function def help(): print 'Usage: Vplay [options] [file] ...' print print 'Options:' print '-M magnify : magnify the image by the given factor' print '-d : write some debug stuff on stderr' print '-l : loop, playing the movie over and over again' print '-m delta : drop frames closer than delta seconds (default 0.)' print '-n : don\'t wait after each file' print '-q : quiet, no informative messages' print '-r delta : regenerate input time base delta seconds apart' print '-s speed : speed change factor (default 1.0)' print '-t : use a 2nd thread for read-ahead' print '-x left : window offset from left of screen' print '-y top : window offset from top of screen' print '-w width : window width' print '-h height : window height' print '-b color : background color (white,black or (r,g,b))' print 'file ... : file(s) to play; default film.video' print print 'User interface:' print 'Press the left mouse button to stop or restart the movie.' print 'Press ESC or use the window manager Close or Quit command' print 'to close the window and play the next file (if any).' # Imported modules
import sys
def close(self): while self.queue: self.flushq() self.vout.close() if self.wid > 0: gl.winclose(self.wid)
def main(): # insure that we at least have an X display before continuing. import os try: display = os.environ["DISPLAY"] except: raise TestSkipped, "No $DISPLAY -- skipping gl test" # touch all the attributes of gl without doing anything if verbose: print "Touching gl module attributes..." for attr in glattrs: if verbose: print "touching: ", attr getattr(gl, attr) # create a small 'Crisscross' window if verbose: print 'Creating a small "CrissCross" window...' print "foreground" gl.foreground() if verbose: print "prefposition" gl.prefposition(500, 900, 500, 900) if verbose: print 'winopen "CrissCross"' w = gl.winopen("CrissCross") if verbose: print "clear" gl.clear() if verbose: print "ortho2" gl.ortho2(0.0, 400.0, 0.0, 400.0) if verbose: print "color WHITE" gl.color(GL.WHITE) if verbose: print "color RED" gl.color(GL.RED) if verbose: print "bgnline" gl.bgnline() if verbose: print "v2f" gl.v2f(0.0, 0.0) gl.v2f(400.0, 400.0) if verbose: print "endline" gl.endline() if verbose: print "bgnline" gl.bgnline() if verbose: print "v2i" gl.v2i(400, 0) gl.v2i(0, 400) if verbose: print "endline" gl.endline() if verbose: print "Displaying window for 2 seconds..." time.sleep(2) if verbose: print "winclose" gl.winclose(w)
def close(self): gl.winclose(self.wid)
def close(self): self.vin.close() if self.wid > 0: gl.winclose(self.wid)
def setinfo(self, info): if info == self.getinfo(): return # No change self.vout.setinfo(info) if self.wid > 0: gl.winclose(self.wid) self.wid = -1
def close(self): del G.windowmap[`self._gid`] gl.winclose(self._gid) self._gid = 0
#! /usr/bin/env python #! /ufs/guido/bin/sgi/python-405 # Capture a CMIF movie using the Indigo video library and board # The CMIF video file format is documented in cmif-film.ms. # Audio data is recorded in AIFF format, using the input sampling # rate, source and volume set by the audio panel, in mono, 8 # bits/sample. # Usage and help functions (keep this up-to-date if you change the program!) def usage(): print 'Usage: Vrec [options] [moviefile [audiofile]]' print print 'Options:' print '-a : record audio as well' print '-q queuesize : set the capture queue size (default 2)' print '-r rate : capture 1 out of every "rate" frames', \ '(default and min 2)' print '-w width : initial window width', \ '(default 256, use 0 for interactive placement)' print '-n : Don\'t write to file, only timing info' print '-d : drop fields if needed' print '-g bits : greyscale (2, 4 or 8 bits)' print '-G : 2-bit greyscale dithered' print '-m : monochrome dithered' print '-M value : monochrome thresholded with value' print '-f : Capture fields (in stead of frames)' print '-P frames : preallocate space for "frames" frames' print 'moviefile : here goes the movie data (default film.video)' print 'audiofile : with -a, here goes the audio data', \ '(default film.aiff)'
def main(): format = SV.RGB8_FRAMES rate = 1 width = 0 drop = 0 mono = 0 grey = 0 greybits = 0 monotreshold = -1 fields = 0 number = 60 opts, args = getopt.getopt(sys.argv[1:], 'r:w:dg:mM:Gfn:') for opt, arg in opts: if opt == '-r': rate = string.atoi(arg) if rate < 2: sys.stderr.write('-r rate must be >= 2\n') sys.exit(2) elif opt == '-w': width = string.atoi(arg) elif opt == '-d': drop = 1 elif opt == '-g': grey = 1 greybits = string.atoi(arg) if not greybits in (2, 4, 8): print 'Only 2, 4 or 8 bit greyscale supported' elif opt == '-G': grey = 1 greybits = -2 elif opt == '-m': mono = 1 elif opt == '-M': mono = 1 monotreshold = string.atoi(arg) elif opt == '-f': fields = 1 elif opt == '-n': number = string.atoi(arg) if args[2:]: sys.stderr.write('usage: Vrec [options] [file]\n') sys.exit(2) if args: filename = args[0] else: filename = 'film.video' v = sv.OpenVideo() # Determine maximum window size based on signal standard param = [SV.BROADCAST, 0] v.GetParam(param) if param[1] == SV.PAL: x = SV.PAL_XMAX y = SV.PAL_YMAX elif param[1] == SV.NTSC: x = SV.NTSC_XMAX y = SV.NTSC_YMAX else: print 'Unknown video standard', param[1] sys.exit(1) gl.foreground() gl.maxsize(x, y) gl.keepaspect(x, y) gl.stepunit(8, 6) if width: gl.prefsize(width, width * 3 / 4) win = gl.winopen(filename) if width: gl.maxsize(x, y) gl.keepaspect(x, y) gl.stepunit(8, 6) gl.winconstraints() x, y = gl.getsize() print x, 'x', y v.SetSize(x, y) if drop: param = [SV.FIELDDROP, 1, SV.GENLOCK, SV.GENLOCK_OFF] else: param = [SV.FIELDDROP, 0, SV.GENLOCK, SV.GENLOCK_ON] if mono or grey: param = param + [SV.COLOR, SV.MONO, SV.INPUT_BYPASS, 1] else: param = param + [SV.COLOR, SV.DEFAULT_COLOR, SV.INPUT_BYPASS, 0] v.SetParam(param) v.BindGLWindow(win, SV.IN_REPLACE) gl.qdevice(DEVICE.LEFTMOUSE) gl.qdevice(DEVICE.WINQUIT) gl.qdevice(DEVICE.WINSHUT) gl.qdevice(DEVICE.ESCKEY) print 'Press left mouse to start recording' while 1: dev, val = gl.qread() if dev == DEVICE.LEFTMOUSE: if val == 1: info = format, x, y, number, rate record(v, info, filename, mono, grey, \ greybits, monotreshold, fields) elif dev == DEVICE.REDRAW: # Window resize (or move) x, y = gl.getsize() print x, 'x', y v.SetSize(x, y) v.BindGLWindow(win, SV.IN_REPLACE) elif dev in (DEVICE.ESCKEY, DEVICE.WINQUIT, DEVICE.WINSHUT): # Quit v.CloseVideo() gl.winclose(win) break
#! /usr/bin/env python
def close(self): del G.windowmap[ ` self._gid `] gl.winclose(self._gid) self._gid = 0
record(v, info, filename, audiofilename, \ mono, grey, \ greybits, monotreshold, fields) elif dev == DEVICE.REDRAW: # Window resize (or move) x, y = gl.getsize() print x, 'x', y if memsize: number = calcnumber(x, y, grey or mono, memsize) print number, 'frames' v.SetSize(x, y) v.BindGLWindow(win, SV.IN_REPLACE) elif dev in (DEVICE.ESCKEY, DEVICE.WINQUIT, DEVICE.WINSHUT): # Quit v.CloseVideo() gl.winclose(win) break def calcnumber(x, y, grey, memsize): pixels = x * y pixels = pixels / 2 # XXX always assume fields if grey: n = memsize / pixels else: n = memsize / (4 * pixels) return max(1, n) # Record until the mouse is released (or any other GL event) # XXX audio not yet supported def record(v, info, filename, audiofilename, \
if dev == DEVICE.LEFTMOUSE: if val == 1: info = format, x, y, qsize, rate record(v, info, filename, audiofilename,\ mono, grey, greybits, monotreshold, \ fields, preallocspace) elif dev == DEVICE.REDRAW: # Window resize (or move) x, y = gl.getsize() print x, 'x', y v.SetSize(x, y) v.BindGLWindow(win, SV.IN_REPLACE) elif dev in (DEVICE.ESCKEY, DEVICE.WINQUIT, DEVICE.WINSHUT): # Quit v.CloseVideo() gl.winclose(win) break # Record until the mouse is released (or any other GL event) # XXX audio not yet supported def record(v, info, filename, audiofilename, mono, grey, greybits, \ monotreshold, fields, preallocspace): import thread format, x, y, qsize, rate = info fps = 59.64 # Fields per second # XXX (Strange: need fps of Indigo monitor, not of PAL or NTSC!) tpf = 1000.0 / fps # Time per field in msec if filename: vout = VFile.VoutFile(filename)
#! /usr/bin/env python # Capture a CMIF movie using the Indigo video library and board in burst mode # User interface: # # Start the application. Resize the window to the desired movie size. # Press the left mouse button to start recording, release it to end # recording. You can record as many times as you wish, but each time # you overwrite the output file(s), so only the last recording is # kept. # # Press ESC or select the window manager Quit or Close window option # to quit. If you quit before recording anything, the output file(s) # are not touched. import sys sys.path.append('/ufs/guido/src/video') import sv, SV import VFile import gl, GL, DEVICE import al, AL import time import posix import getopt import string import imageop import sgi # Usage and help functions (keep this up-to-date if you change the program!) def usage(): print 'Usage: Vrecb [options] [moviefile [audiofile]]' print
#! /usr/bin/env python # Capture a CMIF movie using the Indigo video library and board in burst mode # User interface: # # Start the application. Resize the window to the desired movie size. # Press the left mouse button to start recording, release it to end # recording. You can record as many times as you wish, but each time # you overwrite the output file(s), so only the last recording is # kept. # # Press ESC or select the window manager Quit or Close window option # to quit. If you quit before recording anything, the output file(s) # are not touched. import sys sys.path.append('/ufs/guido/src/video') import sv, SV import VFile import gl, GL, DEVICE import al, AL import time import posix import getopt import string import imageop import sgi # Usage and help functions (keep this up-to-date if you change the program!) def usage():
def main(): # insure that we at least have an X display before continuing. import os try: display = os.environ['DISPLAY'] except: # Raise ImportError because regrtest.py handles it specially. raise ImportError, "No $DISPLAY -- skipping gl test" # touch all the attributes of gl without doing anything if verbose: print 'Touching gl module attributes...' for attr in glattrs: if verbose: print 'touching: ', attr getattr(gl, attr) # create a small 'Crisscross' window if verbose: print 'Creating a small "CrissCross" window...' print 'foreground' gl.foreground() if verbose: print 'prefposition' gl.prefposition(500, 900, 500, 900) if verbose: print 'winopen "CrissCross"' w = gl.winopen('CrissCross') if verbose: print 'clear' gl.clear() if verbose: print 'ortho2' gl.ortho2(0.0, 400.0, 0.0, 400.0) if verbose: print 'color WHITE' gl.color(GL.WHITE) if verbose: print 'color RED' gl.color(GL.RED) if verbose: print 'bgnline' gl.bgnline() if verbose: print 'v2f' gl.v2f(0.0, 0.0) gl.v2f(400.0, 400.0) if verbose: print 'endline' gl.endline() if verbose: print 'bgnline' gl.bgnline() if verbose: print 'v2i' gl.v2i(400, 0) gl.v2i(0, 400) if verbose: print 'endline' gl.endline() if verbose: print 'Displaying window for 2 seconds...' time.sleep(2) if verbose: print 'winclose' gl.winclose(w)
def main(): QSIZE = 16 TIME = 5 audio = 0 opts, args = getopt.getopt(sys.argv[1:], 'aq:t:') for opt, arg in opts: if opt == '-a': audio = 1 elif opt == '-q': QSIZE = string.atoi(arg) elif opt == '-t': TIME = string.atoi(arg) if args: filename = args[0] else: filename = 'film.video' if audio: if args[1:]: audiofilename = args[1] else: audiofilename = 'film.aiff' gl.foreground() x, y = SV.PAL_XMAX / 4, SV.PAL_YMAX / 4 print x, 'x', y gl.minsize(40, 30) gl.stepunit(8, 6) gl.maxsize(SV.PAL_XMAX, SV.PAL_YMAX) gl.keepaspect(SV.PAL_XMAX, SV.PAL_YMAX) win = gl.winopen(filename) x, y = gl.getsize() print x, 'x', y v = sv.OpenVideo() v.BindGLWindow(win, SV.IN_REPLACE) v.SetSize(x, y) v.BindGLWindow(win, SV.IN_REPLACE) v.SetCaptureFormat(SV.RGB_FRAMES) v.SetCaptureMode(SV.BLOCKING_CAPTURE) v.SetQueueSize(QSIZE) v.InitCapture() if v.GetQueueSize() != QSIZE: QSIZE = v.GetQueueSize() print 'Warning: QSIZE reduced to', QSIZE gl.qdevice(DEVICE.LEFTMOUSE) gl.qdevice(DEVICE.WINQUIT) gl.qdevice(DEVICE.WINSHUT) gl.qdevice(DEVICE.ESCKEY) print 'Click left mouse to start recording', TIME, 'seconds' ofile = None afile = None # Mouse down opens the file & freezes window # Mouse up starts recording frames while 1: dev, val = gl.qread() if dev == DEVICE.LEFTMOUSE: # Start recording if val == 1: # Mouse down -- preparations if ofile == None: ofile = VFile.VoutFile().init(filename) ofile.format = 'rgb8' ofile.width = x ofile.height = y ofile.writeheader() # XXX other format bits? # The window can't be resized from now gl.prefsize(x, y) gl.winconstraints() gl.wintitle('* ' + filename) if audio: afile = initaudio(audiofilename) continue # Mouse up -- start actual recording global recording, stop_recording if audio: stop_recording = 0 recording.release() t0 = time.millitimer() v.StartCapture() while 1: t = time.millitimer() - t0 if t >= TIME*1000: break if v.GetCaptured() > 2: doframe(v, ofile, x, y, t) v.StopCapture() stop_recording = 1 while v.GetCaptured() > 0: doframe(v, ofile, x, y, t) t = time.millitimer() - t0 gl.wintitle(filename) elif dev == DEVICE.REDRAW: # Window resize (or move) x, y = gl.getsize() print x, 'x', y v.SetSize(x, y) v.BindGLWindow(win, SV.IN_REPLACE) elif dev in (DEVICE.ESCKEY, DEVICE.WINQUIT, DEVICE.WINSHUT): # Quit if ofile: ofile.close() if afile: afile.destroy() posix._exit(0) # EndCapture dumps core... v.EndCapture() v.CloseVideo() gl.winclose(win)