diff options
Diffstat (limited to 'Demo/sgi/video/Vb.py')
| -rwxr-xr-x | Demo/sgi/video/Vb.py | 106 |
1 files changed, 94 insertions, 12 deletions
diff --git a/Demo/sgi/video/Vb.py b/Demo/sgi/video/Vb.py index 0a0ced1..68d50d2 100755 --- a/Demo/sgi/video/Vb.py +++ b/Demo/sgi/video/Vb.py @@ -45,9 +45,9 @@ def main(): StopCapture = 'StopCapture' VideoFormatLabels = ['Video off', 'rgb8', 'grey8', 'grey4', 'grey2', \ - 'grey2 dith', 'mono dith', 'mono thresh'] + 'grey2 dith', 'mono dith', 'mono thresh', 'rgb24', 'rgb24-jpeg'] VideoFormats = ['', 'rgb8', 'grey', 'grey4', 'grey2', \ - 'grey2', 'mono', 'mono'] + 'grey2', 'mono', 'mono', 'rgb', 'jpeg'] VideoModeLabels = ['Continuous', 'Burst', 'Single frame', 'VCR sync'] [VM_CONT, VM_BURST, VM_SINGLE, VM_VCR] = range(1, 5) @@ -56,11 +56,17 @@ AudioFormatLabels = ['Audio off', \ '16 bit mono', '16 bit stereo', '8 bit mono', '8 bit stereo'] [A_OFF, A_16_MONO, A_16_STEREO, A_8_MONO, A_8_STEREO] = range(1, 6) +VcrSpeedLabels = ['normal', '1/3', '1/5', '1/10', '1/30', 'single-step'] +VcrSpeeds = [None, 5, 4, 3, 2, 1, 0] + +RgbSizeLabels = ['full', 'quarter', 'sixteenth'] + class VideoBagOfTricks: # Init/close stuff def init(self): + self.window = None formdef = flp.parse_form('VbForm', 'form') flp.create_full_form(self, formdef) self.g_cont.hide_object() @@ -119,6 +125,15 @@ class VideoBagOfTricks: self.in_nframes.set_input('0') self.in_nframes_vcr.set_input('1') self.in_rate_vcr.set_input('1') + self.c_vcrspeed.clear_choice() + for label in VcrSpeedLabels: + self.c_vcrspeed.addto_choice(label) + self.c_vcrspeed.set_choice(4) + self.c_rgb24_size.clear_choice() + for label in RgbSizeLabels: + self.c_rgb24_size.addto_choice(label) + self.c_rgb24_size.set_choice(1) + self.rgb24_size = 1 # Audio defaults self.aout = None self.aport = None @@ -174,6 +189,17 @@ class VideoBagOfTricks: gl.qdevice(DEVICE.WINQUIT) gl.qdevice(DEVICE.WINSHUT) + def optfullsizewindow(self): + if not self.window: + return + gl.winset(self.window) + if not self.use_24: + gl.winconstraints() + return + gl.prefsize(self.maxx, self.maxy) + gl.winconstraints() + self.bindvideo() + def bindvideo(self): if not self.video: return x, y = gl.getsize() @@ -287,6 +313,14 @@ class VideoBagOfTricks: def cb_rate_vcr(self, *args): pass + def cb_vcrspeed(self, *args): + pass + + def cb_rgb24_size(self, *args): + i = self.c_rgb24_size.get_choice() + if i: + self.rgb24_size = i + # Audio controls: format, file def cb_aformat(self, *args): @@ -318,7 +352,7 @@ class VideoBagOfTricks: elif self.vmode == VM_BURST: self.burst_capture() elif self.vmode == VM_SINGLE: - self.single_capture() + self.single_capture(None, None) elif self.vmode == VM_VCR: self.vcr_capture() @@ -338,6 +372,9 @@ class VideoBagOfTricks: self.setwatch() gl.winset(self.window) x, y = gl.getsize() + if self.use_24: + fl.show_message('Sorry, no 24 bit continuous capture yet', '', '') + return vformat = SV.RGB8_FRAMES nframes = self.getint(self.in_nframes, 0) if nframes == 0: @@ -424,7 +461,7 @@ class VideoBagOfTricks: self.reset() self.b_capture.label = saved_label - def single_capture(self): + def single_capture(self, stepfunc, timecode): self.open_if_closed() self.init_cont() while 1: @@ -434,11 +471,32 @@ class VideoBagOfTricks: except sv.error: pass sgi.nap(1) - data = cd.InterleaveFields(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.rgb24_size == 1: + data = cd.YUVtoRGB(1) + elif self.rgb24_size == 2: + data = cd.YUVtoRGB_quarter(1) + x = x/2 + y = y/2 + elif self.rgb24_size == 3: + data = cd.YUVtoRGB_sixteenth(1) + x = x/4 + y = y/4 + else: + raise 'Kaboo! Kaboo!' + if self.use_jpeg: + import jpeg + data = jpeg.compress(data, x, y, 4) cd.UnlockCaptureData() self.end_cont() - t = (self.nframes+1) * (1000/25) - return self.write_frame(t, data) + if timecode == None: + timecode = (self.nframes+1) * (1000/25) + return self.write_frame(timecode, data) def vcr_capture(self): if not self.vcr: @@ -462,9 +520,15 @@ class VideoBagOfTricks: self.open_if_closed() rate = self.getint(self.in_rate_vcr, 1) rate = max(rate, 1) + vcrspeed = self.c_vcrspeed.get_choice() + vcrspeed = VcrSpeeds[vcrspeed] + if vcrspeed == 0: + stepfunc = self.vcr.step + else: + stepfunc = None self.speed_factor = rate - addr = self.vcr.sense() - if not self.single_capture(): + addr = start_addr = self.vcr.sense() + if not self.single_capture(None, 0): return print 'captured %02d:%02d:%02d:%02d' % self.vcr.addr2tc(addr) count = self.getint(self.in_nframes_vcr, 1) - 1 @@ -477,7 +541,7 @@ class VideoBagOfTricks: rate = rate - (here - addr) addr = here return - if not self.vcr.fwdshuttle(2): # one tenth speed + if not self.vcr.fwdshuttle(vcrspeed): # one tenth speed self.vcr_error('fwd shuttle failed') return cycle = 0 @@ -494,7 +558,9 @@ class VideoBagOfTricks: print 'frame' + 's'*(here-addr-1 <> 1) cycle = (cycle+1) % rate if cycle == 0: - if not self.single_capture(): + tc = (here-start_addr)*40 + if not self.single_capture(stepfunc, \ + tc): break print 'captured %02d:%02d:%02d:%02d' \ % self.vcr.addr2tc(here) @@ -516,7 +582,10 @@ class VideoBagOfTricks: else: self.rate = 2 x, y = self.vout.getsize() - info = (SV.RGB8_FRAMES, x, y, qsize, self.rate) + if self.use_24: + info = (SV.YUV411_FRAMES, x, y, qsize, self.rate) + else: + info = (SV.RGB8_FRAMES, x, y, qsize, self.rate) info2 = self.video.InitContinuousCapture(info) if info2 <> info: # XXX This is really only debug info @@ -558,6 +627,13 @@ class VideoBagOfTricks: self.rgb = (format[:3] == 'rgb') self.mono = (format == 'mono') self.grey = (format[:4] == 'grey') + self.use_24 = (format in ('rgb', 'jpeg')) + # Does not work.... if self.use_24: + if 0: + self.g_rgb24.show_object() + else: + self.g_rgb24.hide_object() + self.use_jpeg = (format == 'jpeg') self.mono_use_thresh = (label == 'mono thresh') s = format[4:] if s: @@ -576,6 +652,7 @@ class VideoBagOfTricks: elif self.greybits == -2: convertor = imageop.dither2grey2 self.convertor = convertor + self.optfullsizewindow() def get_aformat(self): self.reset() @@ -597,6 +674,11 @@ class VideoBagOfTricks: self.close_video() gl.winset(self.window) x, y = gl.getsize() + if self.use_24: + if self.rgb24_size == 2: + x, y = x/2, y/2 + elif self.rgb24_size == 4: + x, y = x/4, y/4 vout = VFile.VoutFile().init(self.vfile) vout.setformat(self.vformat) vout.setsize(x, y) |