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Created Vedit.py, the video editor. This uses the classes in Viewer.py.

Browse source 
Viewer.py in turn requires changes to VFile.py (unfortunately that file
is now a complete mess...).
This commit is contained in:
Guido van Rossum 1992-08-25 12:29:30 +00:00
parent e1b4d7ce14
commit 9ee7e15966
6 changed files with 1080 additions and 217 deletions
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31
Demo/sgi/video/Vplay.py
View file

@ -200,13 +200,15 @@ def playonce(vin):
vin.magnify = magnify
if threading:
MAXSIZE = 20 # Don't read ahead too much
import thread
queue = []
import Queue
queue = Queue.Queue().init(MAXSIZE)
stop = []
thread.start_new_thread(read_ahead, (vin, queue, stop))
# Get the read-ahead thread going
while len(queue) < 5 and None not in queue:
time.millisleep(10)
while queue.qsize() < MAXSIZE/2 and not stop:
time.millisleep(100)
tin = 0
told = 0
@ -227,21 +229,18 @@ def playonce(vin):
if debug: sys.stderr.write('\n')
if threading:
stop.append(None)
while len(stop) < 2:
time.millisleep(10)
while 1:
item = queue.get()
if item == None: break
return (dev != LEFTMOUSE)
if dev == REDRAW:
gl.reshapeviewport()
if data: vin.showframe(data, cdata)
if threading:
if not queue:
if debug: sys.stderr.write('.')
time.millisleep(10)
continue
q0 = queue[0]
if q0 == None: break
del queue[0]
tin, data, cdata = q0
if debug and queue.empty(): sys.stderr.write('.')
item = queue.get()
if item == None: break
tin, data, cdata = item
else:
try:
tin, size, csize = vin.getnextframeheader()
@ -301,13 +300,13 @@ def playonce(vin):
def read_ahead(vin, queue, stop):
try:
while not stop: queue.append(vin.getnextframe())
while not stop: queue.put(vin.getnextframe())
except EOFError:
queue.append(None)
pass
queue.put(None)
stop.append(None)
# Don't forget to call the main program
try: