VFile - Added support for creating compression lib movies

Vb, VbForm - Compression lib movie support
	     Save settings in ~/.Vb_init

Demo/sgi/video/VFile.py

@@ -304,6 +304,12 @@ class VideoParams:
 			self.c0bits, self.c1bits, self.c2bits, self.offset, \
 			self.chrompack)
 
+	def getcompressheader(self):
+		return self.compressheader
+
+	def setcompressheader(self, ch):
+		self.compressheader = ch
+
 	# Write the relevant bits to stdout
 
 	def printinfo(self):
@@ -766,6 +772,24 @@ def writefileheader(fp, values):
 	data = (width, height, packfactor)
 	fp.write(`data`+'\n')
 	
+def writecompressfileheader(fp, cheader, values):
+	(format, width, height, packfactor, \
+		c0bits, c1bits, c2bits, offset, chrompack) = values
+	#
+	# Write identifying header
+	#
+	fp.write('CMIF video 3.1\n')
+	#
+	# Write color encoding info
+	#
+	data = (format, cheader)
+	fp.write(`data`+'\n')
+	#
+	# Write frame geometry info
+	#
+	data = (width, height, packfactor)
+	fp.write(`data`+'\n')
+
 
 # Basic class for reading CMIF video files
 
@@ -1058,6 +1082,10 @@ class BasicVoutFile(VideoParams):
 
 	def writeheader(self):
 		if self.frozen: raise CallError
+		if self.format == 'compress':
+			writecompressfileheader(self.fp, self.compressheader, \
+				  self.getinfo())
+		else:
 			writefileheader(self.fp, self.getinfo())
 		self.freeze()
 		self.atheader = 1

Demo/sgi/video/Vb.py

@@ -31,6 +31,11 @@ import VGrabber
 import imageop
 sys.path.append('/ufs/jack/src/av/vcr')
 import VCR
+try:
+	import cl
+	import CL
+except ImportError:
+	cl = None
 
 ARROW = 0
 WATCH = 1
@@ -46,9 +51,10 @@ def main():
 StopCapture = 'StopCapture'
 
 VideoFormatLabels = ['Video off', 'rgb8', 'grey8', 'grey4', 'grey2', \
-	  'grey2 dith', 'mono dith', 'mono thresh', 'rgb24', 'rgb24-jpeg']
+	  'grey2 dith', 'mono dith', 'mono thresh', 'rgb24', 'rgb24-jpeg', \
+	  'compress']
 VideoFormats = ['', 'rgb8', 'grey', 'grey4', 'grey2', \
-	  'grey2', 'mono', 'mono', 'rgb', 'jpeg']
+	  'grey2', 'mono', 'mono', 'rgb', 'jpeg', 'compress']
 
 VideoModeLabels = ['Continuous', 'Burst', 'Single frame', 'VCR sync']
 [VM_CONT, VM_BURST, VM_SINGLE, VM_VCR] = range(1, 5)
@@ -62,6 +68,16 @@ VcrSpeeds = [None, 5, 4, 3, 2, 1, 0]
 
 RgbSizeLabels = ['full', 'quarter', 'sixteenth']
 
+# init file stuff:
+if os.environ.has_key('HOME'):
+	HOME=os.environ['HOME']
+else:
+	HOME='.'
+VB_INIT_FILE=HOME + '/.Vb_init'
+
+VB_INIT_KEYS=['vfile', 'vmode', 'mono_thresh', 'vformat', 'comp_scheme', \
+	  'rgb24_size', 'afile', 'aformat']
+
 class VideoBagOfTricks:
 
 	# Init/close stuff
@@ -70,14 +86,23 @@ class VideoBagOfTricks:
 		self.window = None
 		formdef = flp.parse_form('VbForm', 'form')
 		flp.create_full_form(self, formdef)
+		self.setdefaults()
+		if self.vmode <> VM_CONT:
 			self.g_cont.hide_object()
+		if self.vmode <> VM_BURST:
 			self.g_burst.hide_object()
+		if self.vmode <> VM_SINGLE:
 			self.g_single.hide_object()
+		if self.vmode <> VM_VCR:
 			self.g_vcr.hide_object()
-		self.setdefaults()
+		if self.vformat <> 'compress':
+			self.g_compress.hide_object()
+
 		self.openvideo()
 		self.makewindow()
 		self.bindvideo()
+		if self.use_24:
+			self.optfullsizewindow()
 		self.showform()
 		fl.set_event_call_back(self.do_event)
 		return self
@@ -85,6 +110,7 @@ class VideoBagOfTricks:
 	def close(self):
 		self.close_video()
 		self.close_audio()
+		self.savedefaults()
 		raise SystemExit, 0
 
 	def showform(self):
@@ -101,15 +127,56 @@ class VideoBagOfTricks:
 		gl.prefposition(x1, x2, y1, y2)
 		self.form.show_form(FL.PLACE_FREE, FL.TRUE, 'Vb Control')
 
-	def setdefaults(self):
-		self.vcr = None
-		self.vout = None
-		self.capturing = 0
+	def getdefaultdefaults(self):
 		# Video defaults
 		self.vfile = 'film.video'
 		self.vmode = VM_CONT
 		self.mono_thresh = 128
 		self.vformat = 'rgb8'
+		self.comp_scheme = 'Uncompressed'
+		self.rgb24_size = 1
+		# Missing: drop, rate, maxmem, nframes, rate, vcrspeed
+		# Audio defaults:
+		self.afile = 'film.aiff'
+		self.aformat = A_OFF
+
+	def getdefaults(self):
+		self.getdefaultdefaults()
+		# XXXX Read defaults file and override.
+		try:
+			fp = open(VB_INIT_FILE, 'r')
+		except IOError:
+			print 'Vb: no init file'
+			self.initcont = {}
+			return
+		data = fp.read(1000000)
+		try:
+			self.initcont = eval(data)
+		except:
+			print 'Vb: Ill-formatted init file'
+			self.initcont = {}
+		for k in self.initcont.keys():
+			if hasattr(self, k):
+				setattr(self, k, self.initcont[k])
+
+	def savedefaults(self):
+		newdb = {}
+		for k in VB_INIT_KEYS:
+			newdb[k] = getattr(self, k)
+		if newdb <> self.initcont:
+			try:
+				fp = open(VB_INIT_FILE, 'w')
+			except IOError:
+				print 'Vb: Cannot create', VB_INIT_FILE
+				return
+			fp.write(`newdb`)
+			fp.close()
+			
+	def setdefaults(self):
+		self.getdefaults()
+		self.vcr = None
+		self.vout = None
+		self.capturing = 0
 		self.c_vformat.clear_choice()
 		for label in VideoFormatLabels:
 			self.c_vformat.addto_choice(label)
@@ -132,13 +199,21 @@ class VideoBagOfTricks:
 		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
+		self.c_rgb24_size.set_choice(self.rgb24_size)
+		if cl:
+			algs = cl.QueryAlgorithms(CL.VIDEO)
+			self.all_comp_schemes = []
+			for i in range(0, len(algs), 2):
+				if algs[i+1] in (CL.COMPRESSOR, CL.CODEC):
+					self.all_comp_schemes.append(algs[i])
+			self.c_cformat.clear_choice()
+			for label in self.all_comp_schemes:
+				self.c_cformat.addto_choice(label)
+			i = self.all_comp_schemes.index(self.comp_scheme)
+			self.c_cformat.set_choice(i+1)
 		# Audio defaults
 		self.aout = None
 		self.aport = None
-		self.afile = 'film.aiff'
-		self.aformat = A_OFF
 		self.c_aformat.clear_choice()
 		for label in AudioFormatLabels:
 			self.c_aformat.addto_choice(label)
@@ -276,6 +351,11 @@ class VideoBagOfTricks:
 						  `self.mono_thresh`, '')
 		self.rebindvideo()
 
+	def cb_cformat(self, *args):
+		i = self.c_cformat.get_choice()
+		self.comp_scheme = self.all_comp_schemes[i-1]
+
+		
 	def cb_vmode(self, *args):
 		if self.vcr:
 			self.vcr = None
@@ -493,21 +573,33 @@ class VideoBagOfTricks:
 			data = cd.InterleaveFields(1)
 		else:
 			x, y = self.vout.getsize()
+			if self.use_compress:
 				if self.rgb24_size == 1:
-				data = cd.YUVtoRGB(1)
+					data = cd.YUVtoYUV422DC(0)
 				elif self.rgb24_size == 2:
-				data = cd.YUVtoRGB_quarter(1)
+					data = cd.YUVtoYUV422DC_quarter(1)
 					x = x/2
 					y = y/2
 				elif self.rgb24_size == 3:
-				data = cd.YUVtoRGB_sixteenth(1)
+					data = cd.YUVtoYUV422DC_sixteenth(1)
 					x = x/4
 					y = y/4
 			else:
-				raise 'Kaboo! Kaboo!'
+				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:
@@ -520,7 +612,7 @@ class VideoBagOfTricks:
 				print 'Connecting to VCR ...'
 				self.vcr = VCR.VCR().init()
 				print 'Waiting for VCR to come online ...'
-				self.vcr.wait()
+				self.vcr.initvcr()
 				print 'Preparing VCR ...'
 				if not (self.vcr.fmmode('dnr') and \
 					  self.vcr.dmcontrol('digital slow')):
@@ -622,6 +714,10 @@ class VideoBagOfTricks:
 		i = self.c_vformat.get_choice()
 		label = VideoFormatLabels[i-1]
 		format = VideoFormats[i-1]
+		if format == 'compress' and cl == None:
+			fl.show_message('Sorry, no compression library support')
+			format = ''
+			label = 'Video off'
 		self.vformat = format
 		if self.vformat == '':
 			self.form.freeze_form()
@@ -639,18 +735,23 @@ class VideoBagOfTricks:
 			elif self.vmode == VM_SINGLE:
 				self.g_single.show_object()
 		#
-		self.rgb = (format[:3] == 'rgb')
+		self.rgb = (format[:3] == 'rgb' or format == 'compress')
 		self.mono = (format == 'mono')
 		self.grey = (format[:4] == 'grey')
-		self.use_24 = (format in ('rgb', 'jpeg'))
-		if self.use_24 and 0: ### quarter/sixteenth decoding not impl.
+		self.use_24 = (format in ('rgb', 'jpeg', 'compress'))
+		if self.use_24:
 			self.g_rgb24.show_object()
 		else:
 			self.g_rgb24.hide_object()
 		self.use_jpeg = (format == 'jpeg')
 		self.mono_use_thresh = (label == 'mono thresh')
+		self.use_compress = (format == 'compress')
+		if self.use_compress:
+			self.g_compress.show_object()
+		else:
+			self.g_compress.hide_object()
 		s = format[4:]
-		if s:
+		if self.grey and s:
 			self.greybits = string.atoi(s)
 		else:
 			self.greybits = 8
@@ -676,6 +777,16 @@ class VideoBagOfTricks:
 		else:
 			self.g_audio.show_object()
 
+	def init_compressor(self, w, h):
+		self.compressor = None
+		scheme = cl.QuerySchemeFromName(CL.VIDEO, self.comp_scheme)
+		self.compressor = cl.OpenCompressor(scheme)
+		parambuf = [CL.IMAGE_WIDTH, w, \
+			  CL.IMAGE_HEIGHT, h, \
+			  CL.ORIGINAL_FORMAT, CL.YUV422DC]
+		self.compressor.SetParams(parambuf)
+		return self.compressor.Compress(0, '')
+
 	def open_if_closed(self):
 		if not self.vout:
 			self.open_video()
@@ -691,10 +802,13 @@ class VideoBagOfTricks:
 		if self.use_24:
 			if self.rgb24_size == 2:
 				x, y = x/2, y/2
-			elif self.rgb24_size == 4:
+			elif self.rgb24_size == 3:
 				x, y = x/4, y/4
 		vout = VFile.VoutFile().init(self.vfile)
 		vout.setformat(self.vformat)
+		if self.vformat == 'compress':
+			cheader = self.init_compressor(x, y)
+			vout.setcompressheader(cheader)
 		vout.setsize(x, y)
 		if self.vmode == VM_BURST:
 			vout.setpf((1, -2))
@@ -743,6 +857,7 @@ class VideoBagOfTricks:
 				msg = 'disk full??'
 			fl.show_message('IOError', str(msg), '')
 		self.vout = None
+		self.compressor = None
 
 	# Watch cursor handling
 

Demo/sgi/video/VbForm.fd

@@ -8,13 +8,13 @@ Number of forms: 1
 =============== FORM ===============
 Name: form
 Width: 450.000000
-Height: 240.000000
-Number of Objects: 37
+Height: 260.000000
+Number of Objects: 40
 
 --------------------
 class: 1
 type: 1
-box: 0.000000 0.000000 450.000000 240.000000
+box: 0.000000 0.000000 450.000000 260.000000
 boxtype: 1
 colors: 47 47
 alignment: 4
@@ -29,7 +29,7 @@ argument:
 --------------------
 class: 11
 type: 5
-box: 330.000000 130.000000 110.000015 60.000004
+box: 330.000000 150.000000 110.000015 60.000004
 boxtype: 1
 colors: 47 47
 alignment: 4
@@ -74,7 +74,7 @@ argument: 0
 --------------------
 class: 42
 type: 0
-box: 80.000000 200.000000 120.000000 30.000000
+box: 80.000000 220.000000 120.000000 30.000000
 boxtype: 5
 colors: 7 0
 alignment: 2
@@ -89,7 +89,7 @@ argument: 0
 --------------------
 class: 11
 type: 0
-box: 330.000000 200.000000 110.000000 30.000000
+box: 330.000000 220.000000 110.000000 30.000000
 boxtype: 1
 colors: 47 47
 alignment: 4
@@ -179,7 +179,7 @@ argument:
 --------------------
 class: 42
 type: 0
-box: 80.000000 160.000000 120.000000 30.000000
+box: 80.000000 180.000000 120.000000 30.000000
 boxtype: 5
 colors: 7 0
 alignment: 2
@@ -194,7 +194,7 @@ argument: 0
 --------------------
 class: 11
 type: 0
-box: 10.000000 110.000000 190.000000 30.000000
+box: 10.000000 90.000000 190.000000 30.000000
 boxtype: 1
 colors: 47 47
 alignment: 4
@@ -239,7 +239,7 @@ argument:
 --------------------
 class: 31
 type: 2
-box: 220.000000 130.000000 100.000000 30.000000
+box: 220.000000 150.000000 100.000000 30.000000
 boxtype: 2
 colors: 13 5
 alignment: 0
@@ -284,7 +284,7 @@ argument:
 --------------------
 class: 31
 type: 1
-box: 220.000000 130.000000 100.000000 30.000000
+box: 220.000000 150.000000 100.000000 30.000000
 boxtype: 2
 colors: 13 5
 alignment: 0
@@ -299,7 +299,7 @@ argument: 0
 --------------------
 class: 31
 type: 2
-box: 220.000000 70.000000 100.000000 30.000000
+box: 220.000000 90.000000 100.000000 30.000000
 boxtype: 2
 colors: 13 5
 alignment: 0
@@ -344,7 +344,7 @@ argument:
 --------------------
 class: 31
 type: 2
-box: 250.000000 130.000000 40.000000 30.000000
+box: 250.000000 150.000000 40.000000 30.000000
 boxtype: 2
 colors: 13 5
 alignment: 0
@@ -359,7 +359,7 @@ argument: 0
 --------------------
 class: 2
 type: 0
-box: 220.000000 130.000000 30.000000 30.000000
+box: 220.000000 150.000000 30.000000 30.000000
 boxtype: 0
 colors: 47 47
 alignment: 2
@@ -374,7 +374,7 @@ argument:
 --------------------
 class: 2
 type: 0
-box: 290.000000 130.000000 30.000000 30.000000
+box: 290.000000 150.000000 30.000000 30.000000
 boxtype: 0
 colors: 47 47
 alignment: 2
@@ -389,7 +389,7 @@ argument:
 --------------------
 class: 13
 type: 0
-box: 220.000000 70.000000 100.000000 30.000000
+box: 220.000000 90.000000 100.000000 30.000000
 boxtype: 0
 colors: 7 3
 alignment: 4
@@ -419,7 +419,7 @@ argument:
 --------------------
 class: 2
 type: 0
-box: 390.000000 90.000000 50.000000 30.000002
+box: 330.000000 90.000000 110.000000 30.000002
 boxtype: 2
 colors: 47 47
 alignment: 2
@@ -434,14 +434,14 @@ argument:
 --------------------
 class: 2
 type: 0
-box: 320.000000 90.000000 60.000000 30.000000
+box: 330.000000 120.000000 110.000000 30.000000
 boxtype: 0
 colors: 47 47
 alignment: 2
 style: 0
 size: 11.000000
 lcol: 0
-label: Frames:
+label: Frames done:
 name: 
 callback: 
 argument: 
@@ -464,14 +464,14 @@ argument:
 --------------------
 class: 31
 type: 2
-box: 220.000000 70.000000 100.000000 30.000000
+box: 220.000000 90.000000 100.000000 30.000000
 boxtype: 2
 colors: 13 5
 alignment: 0
 style: 0
 size: 11.000000
 lcol: 0
-label: Nr. of frames:
+label: # frames wtd:
 name: in_nframes_vcr
 callback: cb_nframes_vcr
 argument: 0
@@ -479,7 +479,7 @@ argument: 0
 --------------------
 class: 31
 type: 2
-box: 220.000000 130.000000 100.000000 30.000000
+box: 220.000000 150.000000 100.000000 30.000000
 boxtype: 2
 colors: 13 5
 alignment: 0
@@ -539,7 +539,7 @@ argument:
 --------------------
 class: 42
 type: 0
-box: 260.000000 200.000000 60.000000 30.000000
+box: 260.000000 220.000000 60.000000 30.000000
 boxtype: 5
 colors: 7 0
 alignment: 2
@@ -566,5 +566,50 @@ name:
 callback: 
 argument: 
 
+--------------------
+class: 10000
+type: 0
+box: 0.000000 0.000000 0.000000 0.000000
+boxtype: 0
+colors: 0 0
+alignment: 4
+style: 0
+size: 10.000000
+lcol: 0
+label: 
+name: g_compress
+callback: 
+argument: 
+
+--------------------
+class: 42
+type: 0
+box: 80.000000 140.000000 120.000000 30.000000
+boxtype: 5
+colors: 7 0
+alignment: 2
+style: 0
+size: 11.000000
+lcol: 0
+label: Scheme:
+name: c_cformat
+callback: cb_cformat
+argument: 0
+
+--------------------
+class: 20000
+type: 0
+box: 0.000000 0.000000 0.000000 0.000000
+boxtype: 0
+colors: 0 0
+alignment: 4
+style: 0
+size: 10.000000
+lcol: 0
+label: 
+name: 
+callback: 
+argument: 
+
 ==============================
 create_the_forms