#! /ufs/guido/bin/sgi/python # Edit CMIF movies interactively -- copy one or more files to an output file # XXX To do: # # - convert between formats (grey, rgb, rgb8, ...) # - change size # - cut out a given area of the image # - change time base (a la Vtime) import sys import os import gl, GL, DEVICE import fl, FL import flp import Viewer import getopt import string import watchcursor ARROW = 0 WATCH = 1 watchcursor.defwatch(WATCH) def main(): qsize = 40 opts, args = getopt.getopt(sys.argv[1:], 'q:') for o, a in opts: if o == '-q': qsize = string.atoi(a) ed = Editor().init(qsize) if args[0:]: ed.open_input(args[0]) if args[1:]: ed.open_output(args[1]) while 1: dummy = fl.do_forms() class Editor: def init(self, qsize): self.qsize = qsize self.vin = None self.vout = None self.ifile = '' self.ofile = '' formdef = flp.parse_form('VeditForm', 'form') flp.create_full_form(self, formdef) self.form.show_form(FL.PLACE_SIZE, FL.TRUE, 'Vedit') fl.set_event_call_back(self.do_event) return self def do_event(self, dev, val): if dev == DEVICE.REDRAW: if self.vin: self.vin.redraw(val) if self.vout: self.vout.redraw(val) def busy(self): gl.winset(self.form.window) gl.setcursor(WATCH, 0, 0) def ready(self): gl.winset(self.form.window) gl.setcursor(ARROW, 0, 0) def iocheck(self): self.msg('') if self.vin == None and self.vout == None: self.err('Please open input and output files first') return 0 return self.icheck() and self.ocheck() def icheck(self): self.msg('') if self.vin == None: self.err('Please open an input file first') return 0 return 1 def ocheck(self): self.msg('') if self.vout == None: self.err('Please open an output file first') return 0 return 1 def cb_in_new(self, *args): self.msg('') hd, tl = os.path.split(self.ifile) filename = fl.file_selector('Input video file', hd, '', tl) if not filename: return self.open_input(filename) def cb_in_close(self, *args): self.msg('') self.close_input() def cb_in_skip(self, *args): if not self.icheck(): return if not self.vin.get(): self.err('End of input file') self.ishow() def cb_in_back(self, *args): if not self.icheck(): return if not self.vin.backup(): self.err('Begin of input file') self.ishow() def cb_in_slider(self, *args): if not self.icheck(): return left, pos, right = self.vin.qinfo() i = int(self.in_slider.get_slider_value()) i = max(i, left) i = min(i, right) if i == pos: return if not self.vin.seek(i): self.err('Input seek failed') self.ishow() def cb_in_rewind(self, *args): if not self.icheck(): return self.vin.rewind() self.ishow() def cb_copy(self, *args): if not self.iocheck(): return data = self.vin.get() if not data: self.err('End of input file') self.ishow() return if self.vout.getinfo() <> self.vin.getinfo(): print 'Copying info...' self.vout.setinfo(self.vin.getinfo()) self.vout.put(data) self.oshow() self.ishow() def cb_uncopy(self, *args): if not self.iocheck(): return if not self.vout.backup(): self.err('Output buffer exhausted') return self.oshow() if not self.vin.backup(): self.err('Begin of input file') return self.ishow() def cb_out_new(self, *args): self.msg('') hd, tl = os.path.split(self.ofile) filename = fl.file_selector('Output video file', hd, '', tl) if not filename: return self.open_output(filename) def cb_out_close(self, *args): self.msg('') self.close_output() def cb_out_skip(self, *args): if not self.ocheck(): return if not self.vout.forward(): self.err('Output buffer exhausted') self.oshow() def cb_out_back(self, *args): if not self.ocheck(): return if not self.vout.backup(): self.err('Output buffer exhausted') self.oshow() def cb_out_slider(self, *args): if not self.ocheck(): return i = int(self.out_slider.get_slider_value()) left, pos, right = self.vout.qinfo() i = int(self.out_slider.get_slider_value()) i = max(i, left) i = min(i, right) if i == pos: return if not self.vout.seek(i): self.err('Output seek failed') self.oshow() def cb_out_trunc(self, *arcs): if not self.ocheck(): return self.vout.trunc() self.oshow() def cb_out_rewind(self, *args): if not self.ocheck(): return self.vout.rewind() self.oshow() def cb_quit(self, *args): self.close_input() self.close_output() sys.exit(0) def open_input(self, filename): self.ifile = filename basename = os.path.split(filename)[1] title = 'in: ' + basename try: vin = Viewer.InputViewer().init(filename, title) except: self.err('Can\'t open input file', filename) return self.close_input() self.vin = vin self.in_file.label = basename self.ishow() def close_input(self): if self.vin: self.busy() self.msg('Closing input file...') self.vin.close() self.ready() self.msg('') self.vin = None self.in_file.label = '(none)' self.format('in') def ishow(self): self.vin.show() self.format('in') def open_output(self, filename): self.ofile = filename basename = os.path.split(filename)[1] title = 'out: ' + basename try: vout = Viewer.OutputViewer().init(filename, \ title, self.qsize) except: self.err('Can\'t open output file', filename) return self.close_output() self.vout = vout self.out_file.label = basename if self.vin: self.vout.setinfo(self.vin.getinfo()) self.oshow() def close_output(self): if self.vout: self.busy() self.msg('Closing output file...') self.vout.close() self.ready() self.msg('') self.vout = None self.out_file.label = '(none)' self.format('out') def oshow(self): self.vout.show() self.format('out') def msg(self, *args): str = string.strip(string.join(args)) self.msg_area.label = str def err(self, *args): gl.ringbell() apply(self.msg, args) def format(self, io): v = getattr(self, 'v' + io) if v == None: left = right = pos = 0 else: left, pos, right = v.qinfo() getattr(self, io + '_info1').label = `left` getattr(self, io + '_info2').label = `pos` getattr(self, io + '_info3').label = `right` sl = getattr(self, io + '_slider') sl.freeze_object() sl.set_slider_bounds(left, right) sl.set_slider_value(pos) sl.unfreeze_object() try: main() except KeyboardInterrupt: print '[Interrupt]'