diff options
Diffstat (limited to 'Demo/sgi/video/VCR.py')
| -rwxr-xr-x | Demo/sgi/video/VCR.py | 143 |
1 files changed, 137 insertions, 6 deletions
diff --git a/Demo/sgi/video/VCR.py b/Demo/sgi/video/VCR.py index ea123cb..d99fce6 100755 --- a/Demo/sgi/video/VCR.py +++ b/Demo/sgi/video/VCR.py @@ -4,9 +4,30 @@ from IOCTL import * import sys import struct import select +import posix DEVICE='/dev/ttyd2' +class UnixFile: + def open(self, name, mode): + self.fd = posix.open(name, mode) + return self + + def read(self, len): + return posix.read(self.fd, len) + + def write(self, data): + dummy = posix.write(self.fd, data) + + def flush(self): + pass + + def fileno(self): + return self.fd + + def close(self): + dummy = posix.close(self.fd) + def packttyargs(*args): if type(args) <> type(()): raise 'Incorrect argtype for packttyargs' @@ -39,8 +60,8 @@ def unpackttyargs(str): return (iflag, oflag, cflag, lflag, line, chars) def initline(name): - fp = open(name, 'r') - ofp = open(name, 'w') + fp = UnixFile().open(name, 2) + ofp = fp fd = fp.fileno() rv = fcntl.ioctl(fd, IOCTL.TCGETA, nullttyargs()) iflag, oflag, cflag, lflag, line, chars = unpackttyargs(rv) @@ -92,13 +113,31 @@ EJECT='\x2a' FF ='\xab' REW ='\xac' STILL='\x4f' -STEP_FWD ='\xad' +STEP_FWD ='\x2b' # Was: '\xad' FM_SELECT=EXP_8 + '\xc8' FM_STILL=EXP_8 + '\xcd' DM_OFF=EXP_8 + '\xc9' DM_SET=EXP_8 + '\xc4' FWD_SHUTTLE='\xb5' REV_SHUTTLE='\xb6' +EM_SELECT=EXP_8 + '\xc0' +N_FRAME_REC=EXP_8 + '\x92' + +IN_ENTRY=EXP_7 + '\x90' +IN_ENTRY_RESET=EXP_7 + '\x91' +IN_ENTRY_SET=EXP_7 + '\x98' +IN_ENTRY_INC=EXP_7 + '\x94' +IN_ENTRY_DEC=EXP_7 + '\x95' +IN_ENTRY_SENSE=EXP_7 + '\x9a' + +OUT_ENTRY=EXP_7 + '\x92' +OUT_ENTRY_RESET=EXP_7 + '\x93' +OUT_ENTRY_SET=EXP_7 + '\x99' +OUT_ENTRY_INC=EXP_7 + '\x96' +OUT_ENTRY_DEC=EXP_7 + '\x98' +OUT_ENTRY_SENSE=EXP_7 + '\x9b' + +DEBUG=0 class VCR: def init(self): @@ -106,7 +145,8 @@ class VCR: return self def _cmd(self, cmd): -## print '>>>',`cmd` + if DEBUG: + print '>>>',`cmd` self.ofp.write(cmd) self.ofp.flush() @@ -118,8 +158,10 @@ class VCR: ## if rep: ## print 'FLUSHED:', `rep` return None + # XXXX Niet goed: er is meer gebufferd! data = self.ifp.read(1) -## print '<<<',`data` + if DEBUG: + print '<<<',`data` if data == NAK: return NAK rep = rep + data @@ -143,11 +185,12 @@ class VCR: return number def _iflush(self): - dummy = self._waitdata(10000, 1) + dummy = self._waitdata(10000, 0) ## if dummy: ## print 'IFLUSH:', dummy def simplecmd(self,cmd): + self._iflush() for ch in cmd: self._cmd(ch) rep = self._reply(1) @@ -157,6 +200,11 @@ class VCR: raise error, 'Unexpected reply:' + `rep` return 1 + def replycmd(self, cmd): + if not self.simplecmd(cmd[:-1]): + return 0 + self._cmd(cmd[-1]) + def _number(self, number, digits): if number < 0: raise error, 'Unexpected negative number:'+ `number` @@ -258,6 +306,41 @@ class VCR: return 0 return 1 + def editmode(self, mode): + if mode == 'off': + a0 = a1 = a2 = 0 + elif mode == 'format': + a0 = 4 + a1 = 7 + a2 = 4 + elif mode == 'asmbl': + a0 = 1 + a1 = 7 + a2 = 4 + elif mode == 'insert-video': + a0 = 2 + a1 = 4 + a2 = 0 + else: + raise 'editmode should be off,format,asmbl or insert-video' + if not self.simplecmd(EM_SELECT): + return 0 + self._number(a0, 1) + self._number(a1, 1) + self._number(a2, 1) + if not self.simplecmd(ENTER): + return 0 + return 1 + + def nframerec(self, num): + if not self.simplecmd(N_FRAME_REC): + return 0 + self._number(num, 4) + if not self.simplecmd(ENTER): + return 0 + self.waitready() + return 1 + def fmstill(self): if not self.simplecmd(FM_STILL): return 0 @@ -295,3 +378,51 @@ class VCR: return 0 self._number(num, 1) return 1 + + def getentry(self, which): + if which == 'in': + cmd = IN_ENTRY_SENSE + elif which == 'out': + cmd = OUT_ENTRY_SENSE + self.replycmd(cmd) + h = self._getnumber(2) + print 'h=',h + m = self._getnumber(2) + print 'm=',m + s = self._getnumber(2) + print 's=',s + f = self._getnumber(2) + print 'f=',f + return (h, m, s, f) + + def inentry(self, arg): + return self.ioentry(arg, (IN_ENTRY, IN_ENTRY_RESET, \ + IN_ENTRY_SET, IN_ENTRY_INC, IN_ENTRY_DEC)) + + def outentry(self, arg): + return self.ioentry(arg, (OUT_ENTRY, OUT_ENTRY_RESET, \ + OUT_ENTRY_SET, OUT_ENTRY_INC, OUT_ENTRY_DEC)) + + def ioentry(self, arg, (Load, Clear, Set, Inc, Dec)): + if type(arg) == type(()): + h, m, s, f = arg + if not self.simplecmd(Set): + return 0 + self._number(h,2) + self._number(m,2) + self._number(s,2) + self._number(f,2) + if not self.simplecmd(ENTER): + return 0 + return 1 + elif arg == 'reset': + cmd = Clear + elif arg == 'load': + cmd = Load + elif arg == '+': + cmd = Inc + elif arg == '-': + cmd = Dec + else: + raise error, 'Arg should be +,-,reset,load or (h,m,s,f)' + return self.simplecmd(cmd) |