def createSurface(self, interface):
if self.driver == "v4l":
# Setup the surface
interface = int(interface)
self.surfaces[len(self.surfaces)] = {
0: v4l.video(self.interfaces[interface][0]),
1: 0
}
i = len(self.surfaces) - 1
# Setup v4l image
self.surfaces[i][0].setupImage(self.dimensions[0],
self.dimensions[1],
v4l.VIDEO_PALETTE_YUV420P,
v4l.VIDEO_PALETTE_RGB24)
# Select the correct interface
interfaces = self.interfaces[interface]
self.surfaces[i][0].setChannel(int(interfaces[1]))
if int(interfaces[1]) != 1:
self.surfaces[i][0].setFrequency(int(interfaces[2]))
# Begin queueing frames
self.surfaces[i][0].preQueueFrames()
# Return surface number
return i
else:
return False
def __init__(self, width, height, *args, **kwargs):
TVWindow.__init__(self, *args, **kwargs)
self.width = width
self.height = height
vid = v4l.video('/dev/video')
self.vid = vid
vid.setupImage(self.width, self.height, v4l.VIDEO_PALETTE_YUV422P)
vid.getChannel(0) # TV
vid.setChannel(0) # set to TV
vid.setFrequency(216250)
vid.setVolume(5)
vid.startCapture()
def __init__(self, width, height, *args, **kwargs):
TVWindow.__init__(self, *args, **kwargs)
self.width = width
self.height = height
vid = v4l.video('/dev/video')
self.vid = vid
vid.setupImage(self.width, self.height, v4l.VIDEO_PALETTE_YUV422P)
vid.getChannel(0) # TV
vid.setChannel(0) # set to TV
vid.setFrequency(216250)
vid.setVolume(5)
vid.startCapture()
def start(self):
# print "start"
tmpPath = "/dev/" + str(self.ui.cb_video.currentText())
if tmpPath not in self.deviceDic:
self.deviceDic[tmpPath] = v4l.video(tmpPath)
self.device = self.deviceDic[tmpPath]
self.picture = self.device.getPicture()
self.capabilities = self.device.getCapabilities()
self.device.preQueueFrames()
self.nextFrame = 0
self.ui.connect(self.ui.timer, qt.SIGNAL("timeout()"), self.ui.cam.getFrame)
self.ui.timer.start(100)
def start(self):
# print "start"
tmpPath = "/dev/" + str(self.ui.cb_video.currentText())
if tmpPath not in self.deviceDic:
self.deviceDic[tmpPath] = v4l.video(tmpPath)
self.device = self.deviceDic[tmpPath]
self.picture = self.device.getPicture()
self.capabilities = self.device.getCapabilities()
self.device.preQueueFrames()
self.nextFrame = 0
self.ui.connect(self.ui.timer, qt.SIGNAL("timeout()"),
self.ui.cam.getFrame)
self.ui.timer.start(100)
def capture(self):
# print "capture"
tmpPath = "/dev/" + str(self.ui.cb_video.currentText())
if tmpPath not in self.deviceDic:
self.deviceDic[tmpPath] = v4l.video(tmpPath)
self.device = self.deviceDic[tmpPath]
self.picture = self.device.getPicture()
self.capabilities = self.device.getCapabilities()
self.device.preQueueFrames()
out = self.device.getImage(self.nextFrame)
out = self.RGB2BGR(out)
image = Image.fromstring("RGB", (self.WIDTH, self.HEIGHT), out)
image.save("image.jpg", "JPEG")
self.ui.timer.stop()
def capture(self):
# print "capture"
tmpPath = "/dev/" + str(self.ui.cb_video.currentText())
if tmpPath not in self.deviceDic:
self.deviceDic[tmpPath] = v4l.video(tmpPath)
self.device = self.deviceDic[tmpPath]
self.picture = self.device.getPicture()
self.capabilities = self.device.getCapabilities()
self.device.preQueueFrames()
out = self.device.getImage(self.nextFrame)
out = self.RGB2BGR(out)
image = Image.fromstring("RGB", (self.WIDTH, self.HEIGHT), out)
image.save("image.jpg", "JPEG")
self.ui.timer.stop()
def __init__(self, parent):
self._init_ctrls(parent)
self.vid = v4l.video('/dev/video')
cap = self.vid.getCapabilities()
print "Device Name: %s" % cap[0]
print "Type: %d" % cap[1]
print "Channels: %d" % cap[2]
print "Audios: %d" % cap[3]
print "Maximum Width: %d" % cap[4]
print "Maximum Height: %d" % cap[5]
print "Minimum Width: %d" % cap[6]
print "Minimum Height: %d" % cap[7]
self.vid.setupImage(WIDTH, HEIGHT)
print self.vid.getChannel(1) # TV
self.vid.preQueueFrames()
self.nextFrame = 0
self.vid.mute()
self.im = wxEmptyImage(WIDTH, HEIGHT)
self.bitmap = wxEmptyBitmap(WIDTH, HEIGHT)
def __init__(self, parent):
self._init_ctrls(parent)
self.vid = v4l.video('/dev/video')
cap = self.vid.getCapabilities()
print "Device Name: %s" % cap[0]
print "Type: %d" % cap[1]
print "Channels: %d" % cap[2]
print "Audios: %d" % cap[3]
print "Maximum Width: %d" % cap[4]
print "Maximum Height: %d" % cap[5]
print "Minimum Width: %d" % cap[6]
print "Minimum Height: %d" % cap[7]
self.vid.setupImage(WIDTH, HEIGHT)
print self.vid.getChannel(1) # TV
self.vid.preQueueFrames()
self.nextFrame = 0;
self.vid.mute()
self.im = wxEmptyImage(WIDTH,HEIGHT)
self.bitmap = wxEmptyBitmap(WIDTH,HEIGHT)
def createSurface(self,interface):
if self.driver == "v4l":
# Setup the surface
interface = int(interface);
self.surfaces[len(self.surfaces)] = {0:v4l.video(self.interfaces[interface][0]),1:0};
i = len(self.surfaces) - 1;
# Setup v4l image
self.surfaces[i][0].setupImage(self.dimensions[0],self.dimensions[1],v4l.VIDEO_PALETTE_YUV420P, v4l.VIDEO_PALETTE_RGB24);
# Select the correct interface
interfaces = self.interfaces[interface];
self.surfaces[i][0].setChannel(int(interfaces[1]));
if int(interfaces[1]) != 1:
self.surfaces[i][0].setFrequency(int(interfaces[2]));
# Begin queueing frames
self.surfaces[i][0].preQueueFrames();
# Return surface number
return i;
else:
return False;
#!/usr/bin/env python
# Sample TV overlay viewing application for pyv4l >= 0.4 - by Michael Dove <*****@*****.**>
import v4l
import time
import os
import sys
WIDTH = 640
HEIGHT = 480
X = 300
Y = 300
vid = v4l.video('/dev/video')
# set appropriate palette else you may get incorrect images
try:
vid.setupFrameBuffer()
except v4l.VideoError, e:
print "WARNING:", e, "Attempting to run v4l-conf"
vid.mute()
del vid
pipefd = os.popen('v4l-conf -q -c /dev/video')
if (pipefd.close()):
print "Unable to setup framebuffer"
sys.exit(1)
vid = v4l.video('/dev/video')
cap = vid.getCapabilities()
print "Device Name: %s" % cap[0]
print "Type: %d" % cap[1]
print "Channels: %d" % cap[2]
#!/usr/bin/env python
# Sample still image captured from TV for pyv4l >= 0.3 - by Michael Dove <*****@*****.**>
import v4l
import Image
import ImageChops
WIDTH = 924
HEIGHT = 576
vid = v4l.video('/dev/video')
cap = vid.getCapabilities()
print "Device Name: %s" % cap[0]
print "Type: %d" % cap[1]
print "Channels: %d" % cap[2]
print "Audios: %d" % cap[3]
print "Maximum Width: %d" % cap[4]
print "Maximum Height: %d" % cap[5]
print "Minimum Width: %d" % cap[6]
print "Minimum Height: %d" % cap[7]
tuner = vid.getTuner()
print "Tuner %d" %tuner[0]
print "Tuner Name: %s" %tuner[1]
print "Range Low: %d" %tuner[2]
print "Range High: %d" %tuner[3]
print "Flags: %d" %tuner[4]
print "Mode: %d" %tuner[5]
print "Signal Strength: %d" %tuner[6]
print "Frequency: %d" %vid.getFrequency()
vid.setChannel(0) # TV
vid.setFrequency(216250)
vid.setupImage(WIDTH, HEIGHT)
picture = vid.getPicture()
