#! /usr/bin/env 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(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)
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())
if self.vin.format == 'compress':
self.vout.setcompressheader(\
self.vin.getcompressheader())
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(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(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')
self.form.freeze_form()
sl.set_slider_bounds(left, right)
sl.set_slider_value(pos)
self.form.unfreeze_form()
try:
main()
except KeyboardInterrupt:
print '[Interrupt]'
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