def cont_capture(self): saved_label = self.b_capture.label self.b_capture.label = 'Stop\n' + saved_label self.open_if_closed() self.init_cont() fps = 59.64 # Fields per second # XXX (fps of Indigo monitor, not of PAL or NTSC!) tpf = 1000.0 / fps # Time per field in msec self.capturing = 1 self.start_audio() while 1: try: void = fl.check_forms() except StopCapture: break try: cd, id = self.video.GetCaptureData() except sv.error: sgi.nap(1) continue id = id + 2*self.rate data = cd.InterleaveFields(1) cd.UnlockCaptureData() t = id*tpf if not self.write_frame(t, data): break self.stop_audio() self.capturing = 0 self.end_cont() if self.aout: # If recording audio, can't capture multiple sequences self.reset() self.b_capture.label = saved_label
def cont_capture(self): saved_label = self.b_capture.label self.b_capture.label = 'Stop\n' + saved_label self.open_if_closed() self.init_cont() fps = 59.64 # Fields per second # XXX (fps of Indigo monitor, not of PAL or NTSC!) tpf = 1000.0 / fps # Time per field in msec self.capturing = 1 self.start_audio() while 1: try: void = fl.check_forms() except StopCapture: break try: cd, id = self.video.GetCaptureData() except sv.error: sgi.nap(1) continue id = id + 2*self.rate data = cd.InterleaveFields(1) cd.UnlockCaptureData() t = id*tpf if not self.write_frame(t, data): break self.stop_audio() self.capturing = 0 self.end_cont() if self.aout: # If recording audio, can't capture multiple sequences self.reset() self.b_capture.label = saved_label
def single_capture(self, stepfunc, timecode):
self.open_if_closed()
self.init_cont()
while 1:
try:
cd, id = self.video.GetCaptureData()
break
except sv.error:
pass
sgi.nap(1)
if stepfunc: # This might step the video
d=stepfunc() # to the next frame
if not self.use_24:
data = cd.InterleaveFields(1)
else:
x, y = self.vout.getsize()
if self.use_compress:
if self.rgb24_size == 1:
data = cd.YUVtoYUV422DC(0)
elif self.rgb24_size == 2:
data = cd.YUVtoYUV422DC_quarter(1)
x = x/2
y = y/2
elif self.rgb24_size == 3:
data = cd.YUVtoYUV422DC_sixteenth(1)
x = x/4
y = y/4
else:
data = cd.YUVtoRGB(1)
if self.maxx*self.maxy*4 <> len(data):
print 'maxx,maxy,exp,got=', self.maxx,
print self.maxy,self.maxx*self.maxy*4,
print len(data)
fl.showmessage('Wrong sized data')
return 0
if self.rgb24_size <> 1:
data = imageop.scale(data, 4, \
self.maxx, self.maxy, x, y)
if self.use_jpeg:
import jpeg
data = jpeg.compress(data, x, y, 4)
if self.use_compress:
data = self.compressor.Compress(1, data)
cd.UnlockCaptureData()
self.end_cont()
if timecode == None:
timecode = (self.nframes+1) * (1000/25)
return self.write_frame(timecode, data)
def single_capture(self, stepfunc, timecode):
self.open_if_closed()
self.init_cont()
while 1:
try:
cd, id = self.video.GetCaptureData()
break
except sv.error:
pass
sgi.nap(1)
if stepfunc: # This might step the video
d=stepfunc() # to the next frame
if not self.use_24:
data = cd.InterleaveFields(1)
else:
x, y = self.vout.getsize()
if self.use_compress:
if self.rgb24_size == 1:
data = cd.YUVtoYUV422DC(0)
elif self.rgb24_size == 2:
data = cd.YUVtoYUV422DC_quarter(1)
x = x/2
y = y/2
elif self.rgb24_size == 3:
data = cd.YUVtoYUV422DC_sixteenth(1)
x = x/4
y = y/4
else:
data = cd.YUVtoRGB(1)
if self.maxx*self.maxy*4 <> len(data):
print 'maxx,maxy,exp,got=', self.maxx,
print self.maxy,self.maxx*self.maxy*4,
print len(data)
fl.showmessage('Wrong sized data')
return 0
if self.rgb24_size <> 1:
data = imageop.scale(data, 4, \
self.maxx, self.maxy, x, y)
if self.use_jpeg:
import jpeg
data = jpeg.compress(data, x, y, 4)
if self.use_compress:
data = self.compressor.Compress(1, data)
cd.UnlockCaptureData()
self.end_cont()
if timecode == None:
timecode = (self.nframes+1) * (1000/25)
return self.write_frame(timecode, data)
#! /usr/bin/env python
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)
if mono:
format = 'mono'
elif grey and greybits == 8:
format = 'grey'
elif grey:
format = 'grey'+`abs(greybits)`
else:
format = 'rgb8'
vout.setformat(format)
vout.setsize(x, y)
if fields:
vout.setpf((1, -2))
vout.writeheader()
if preallocspace:
print 'Preallocating space...'
vout.prealloc(preallocspace)
print 'done.'
MAXSIZE = 20 # XXX should be a user option
import Queue
queue = Queue.Queue(MAXSIZE)
done = thread.allocate_lock()
done.acquire_lock()
convertor = None
if grey:
if greybits == 2:
convertor = imageop.grey2grey2
elif greybits == 4:
convertor = imageop.grey2grey4
elif greybits == -2:
convertor = imageop.dither2grey2
thread.start_new_thread(saveframes, \
(vout, queue, done, mono, monotreshold, convertor))
if audiofilename:
audiodone = thread.allocate_lock()
audiodone.acquire_lock()
audiostop = []
initaudio(audiofilename, audiostop, audiodone)
gl.wintitle('(rec) ' + filename)
lastid = 0
t0 = time.time()
count = 0
ids = []
v.InitContinuousCapture(info)
while not gl.qtest():
try:
cd, id = v.GetCaptureData()
except sv.error:
#time.sleep(0.010) # XXX is this necessary?
sgi.nap(1) # XXX Try by Jack
continue
ids.append(id)
id = id + 2*rate
## if id <> lastid + 2*rate:
## print lastid, id
lastid = id
count = count+1
if fields:
data1, data2 = cd.GetFields()
cd.UnlockCaptureData()
if filename:
queue.put((data1, int(id*tpf)))
queue.put((data2, int((id+1)*tpf)))
else:
data = cd.InterleaveFields(1)
cd.UnlockCaptureData()
if filename:
queue.put((data, int(id*tpf)))
t1 = time.time()
gl.wintitle('(busy) ' + filename)
print lastid, 'fields in', round(t1-t0, 3), 'sec',
print '--', round(lastid/(t1-t0), 1), 'fields/sec'
print 'Captured',count*2, 'fields,',
print round(count*2/(t1-t0), 1), 'f/s',
if lastid:
print '(',
print round(count*200.0/lastid), '%, or',
print round(count*rate*200.0/lastid), '% of wanted rate )',
print
if ids:
print 'Ids:',
t0 = ids[0]
del ids[0]
for t1 in ids:
print t1-t0,
t0 = t1
print
if filename and audiofilename:
audiostop.append(None)
audiodone.acquire_lock()
v.EndContinuousCapture()
if filename:
queue.put(None) # Sentinel
done.acquire_lock()
gl.wintitle('(done) ' + filename)
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)
if mono:
format = 'mono'
elif grey and greybits == 8:
format = 'grey'
elif grey:
format = 'grey' + ` abs(greybits) `
else:
format = 'rgb8'
vout.setformat(format)
vout.setsize(x, y)
if fields:
vout.setpf((1, -2))
vout.writeheader()
if preallocspace:
print 'Preallocating space...'
vout.prealloc(preallocspace)
print 'done.'
MAXSIZE = 20 # XXX should be a user option
import Queue
queue = Queue.Queue(MAXSIZE)
done = thread.allocate_lock()
done.acquire_lock()
convertor = None
if grey:
if greybits == 2:
convertor = imageop.grey2grey2
elif greybits == 4:
convertor = imageop.grey2grey4
elif greybits == -2:
convertor = imageop.dither2grey2
thread.start_new_thread(saveframes, \
(vout, queue, done, mono, monotreshold, convertor))
if audiofilename:
audiodone = thread.allocate_lock()
audiodone.acquire_lock()
audiostop = []
initaudio(audiofilename, audiostop, audiodone)
gl.wintitle('(rec) ' + filename)
lastid = 0
t0 = time.time()
count = 0
ids = []
v.InitContinuousCapture(info)
while not gl.qtest():
try:
cd, id = v.GetCaptureData()
except sv.error:
#time.sleep(0.010) # XXX is this necessary?
sgi.nap(1) # XXX Try by Jack
continue
ids.append(id)
id = id + 2 * rate
## if id <> lastid + 2*rate:
## print lastid, id
lastid = id
count = count + 1
if fields:
data1, data2 = cd.GetFields()
cd.UnlockCaptureData()
if filename:
queue.put((data1, int(id * tpf)))
queue.put((data2, int((id + 1) * tpf)))
else:
data = cd.InterleaveFields(1)
cd.UnlockCaptureData()
if filename:
queue.put((data, int(id * tpf)))
t1 = time.time()
gl.wintitle('(busy) ' + filename)
print lastid, 'fields in', round(t1 - t0, 3), 'sec',
print '--', round(lastid / (t1 - t0), 1), 'fields/sec'
print 'Captured', count * 2, 'fields,',
print round(count * 2 / (t1 - t0), 1), 'f/s',
if lastid:
print '(',
print round(count * 200.0 / lastid), '%, or',
print round(count * rate * 200.0 / lastid), '% of wanted rate )',
print
if ids:
print 'Ids:',
t0 = ids[0]
del ids[0]
for t1 in ids:
print t1 - t0,
t0 = t1
print
if filename and audiofilename:
audiostop.append(None)
audiodone.acquire_lock()
v.EndContinuousCapture()
if filename:
queue.put(None) # Sentinel
done.acquire_lock()
gl.wintitle('(done) ' + filename)
#! /usr/bin/env python
#! /usr/bin/env python
