Moved stop button again; default form position next to video window.

Demo/sgi/video/Vb.py

@@ -2,13 +2,20 @@
 
 # Video bag-of-tricks
 
-# XXX To do: audio; rationalize user interface; ...?
+# XXX To do:
+# - audio
+# - single frame recording
+# - improve user interface
+# - help button?
+# - command line options to set initial settings
+# - save settings in a file
+# - ...?
 
 import sys
 import getopt
 import string
 import os
-sts = os.system('makemap')		# Must be before "import fl"
+sts = os.system('makemap')		# Must be before "import fl" to work
 import sgi
 import gl
 import GL
@@ -28,6 +35,7 @@ WATCH = 1
 watchcursor.defwatch(WATCH)
 
 def main():
+##	fl.set_graphics_mode(0, 1)
 	vb = VideoBagOfTricks().init()
 	while 1:
 		dummy = fl.do_forms()
@@ -46,16 +54,31 @@ class VideoBagOfTricks:
 		formdef = flp.parse_form('VbForm', 'form')
 		flp.create_full_form(self, formdef)
 		self.g_stop.hide_object()
+		self.g_burst.hide_object()
 		self.setdefaults()
 		self.openvideo()
 		self.makewindow()
 		self.bindvideo()
 		self.capturing = 0
-		self.form.show_form(FL.PLACE_SIZE, FL.TRUE, \
-				    'Video Bag Of Tricks')
+		self.showform()
 		fl.set_event_call_back(self.do_event)
 		return self
 
+	def showform(self):
+		# Get position of video window
+		gl.winset(self.window)
+		x, y = gl.getorigin()
+		width, height = gl.getsize()
+		# Calculate position of form window
+		x1 = x + width + 10
+		x2 = x1 + int(self.form.w) - 1
+		y2 = y + height - 1
+		y1 = y2 - int(self.form.h) + 1
+		# Position and show form window
+		gl.prefposition(x1, x2, y1, y2)
+		self.form.show_form(FL.PLACE_FREE, FL.TRUE, \
+				    'Video Bag Of Tricks')
+
 	def setdefaults(self):
 		self.mono_thresh = 128
 		self.format = 'rgb8'
@@ -152,34 +175,6 @@ class VideoBagOfTricks:
 			self.rebindvideo()
 			self.settitle()
 
-	def get_format(self):
-		i = self.c_format.get_choice()
-		label = Labels[i-1]
-		format = Formats[i-1]
-		self.format = format
-		#
-		self.rgb = (format[:3] == 'rgb')
-		self.mono = (format == 'mono')
-		self.grey = (format[:4] == 'grey')
-		self.mono_use_thresh = (label == 'mono thresh')
-		s = format[4:]
-		if s:
-			self.greybits = string.atoi(s)
-		else:
-			self.greybits = 8
-		if label == 'grey2 dith':
-			self.greybits = -2
-		#
-		convertor = None
-		if self.grey:
-			if self.greybits == 2:
-				convertor = imageop.grey2grey2
-			elif self.greybits == 4:
-				convertor = imageop.grey2grey4
-			elif self.greybits == -2:
-				convertor = imageop.dither2grey2
-		self.convertor = convertor
-
 	def cb_format(self, *args):
 		self.get_format()
 		if self.mono_use_thresh:
@@ -200,7 +195,16 @@ class VideoBagOfTricks:
 		self.rebindvideo()
 
 	def cb_burst(self, *args):
-		pass
+		if self.b_burst.get_button():
+			self.in_rate.set_input('1')
+			self.b_drop.set_button(1)
+##			self.g_stop.hide_object()
+			self.g_burst.show_object()
+		else:
+			self.in_rate.set_input('2')
+			self.b_drop.set_button(0)
+##			self.g_stop.show_object()
+			self.g_burst.hide_object()
 
 	def cb_maxmem(self, *args):
 		pass
@@ -226,15 +230,6 @@ class VideoBagOfTricks:
 			self.in_file.set_input(filename)
 			self.cb_file()
 
-	def cb_play(self, *args):
-		filename = self.in_file.get_input()
-		sts = os.system('Vplay -q ' + filename + ' &')
-
-	def cb_stop(self, *args):
-		if self.capturing:
-			raise StopCapture
-		gl.ringbell()
-
 	def cb_capture(self, *args):
 		if not self.video:
 			gl.ringbell()
@@ -244,6 +239,18 @@ class VideoBagOfTricks:
 		else:
 			self.cont_capture()
 
+	def cb_stop(self, *args):
+		if self.capturing:
+			raise StopCapture
+		gl.ringbell()
+
+	def cb_play(self, *args):
+		filename = self.in_file.get_input()
+		sts = os.system('Vplay -q ' + filename + ' &')
+
+	def cb_quit(self, *args):
+		raise SystemExit, 0
+
 	def burst_capture(self):
 		self.setwatch()
 		gl.winset(self.window)
@@ -264,7 +271,6 @@ class VideoBagOfTricks:
 				  self.mono or self.grey, memsize)
 			print 'nframes =', nframes
 		rate = string.atoi(self.in_rate.get_input())
-		# XXX Should check ranges and not crash if non-integer
 		info = (vformat, x, y, nframes, rate)
 		try:
 			info2, data, bitvec = self.video.CaptureBurst(info)
@@ -272,7 +278,7 @@ class VideoBagOfTricks:
 			fl.show_message('Capture error:', str(msg), '')
 			self.setarrow()
 			return
-		print info2
+		if info <> info2: print info, '<>', info2
 		self.save_burst(info2, data, bitvec)
 		self.setarrow()
 
@@ -361,6 +367,34 @@ class VideoBagOfTricks:
 		self.g_main.show_object()
 		self.setarrow()
 
+	def get_format(self):
+		i = self.c_format.get_choice()
+		label = Labels[i-1]
+		format = Formats[i-1]
+		self.format = format
+		#
+		self.rgb = (format[:3] == 'rgb')
+		self.mono = (format == 'mono')
+		self.grey = (format[:4] == 'grey')
+		self.mono_use_thresh = (label == 'mono thresh')
+		s = format[4:]
+		if s:
+			self.greybits = string.atoi(s)
+		else:
+			self.greybits = 8
+		if label == 'grey2 dith':
+			self.greybits = -2
+		#
+		convertor = None
+		if self.grey:
+			if self.greybits == 2:
+				convertor = imageop.grey2grey2
+			elif self.greybits == 4:
+				convertor = imageop.grey2grey4
+			elif self.greybits == -2:
+				convertor = imageop.dither2grey2
+		self.convertor = convertor
+
 	def open_file(self):
 		gl.winset(self.window)
 		x, y = gl.getsize()
@@ -374,15 +408,6 @@ class VideoBagOfTricks:
 		vout.writeheader()
 		self.vout = vout
 
-	def close_file(self):
-		try:
-			self.vout.close()
-		except IOError, msg:
-			if msg == (0, 'Error 0'):
-				msg = 'disk full??'
-			fl.show_message('IOError', str(msg), '')
-		del self.vout
-
 	def write_frame(self, t, data):
 		if self.convertor:
 			data = self.convertor(data, len(data), 1)
@@ -403,8 +428,14 @@ class VideoBagOfTricks:
 			return 0
 		return 1
 
-	def cb_quit(self, *args):
-		raise SystemExit, 0
+	def close_file(self):
+		try:
+			self.vout.close()
+		except IOError, msg:
+			if msg == (0, 'Error 0'):
+				msg = 'disk full??'
+			fl.show_message('IOError', str(msg), '')
+		del self.vout
 
 	def setwatch(self):
 		gl.winset(self.form.window)

Demo/sgi/video/VbForm.fd

@@ -9,7 +9,7 @@ Number of forms: 1
 Name: form
 Width: 350.000000
 Height: 240.000000
-Number of Objects: 21
+Number of Objects: 23
 
 --------------------
 class: 1
@@ -31,95 +31,125 @@ class: 10000
 type: 0
 box: 0.000000 0.000000 0.000000 0.000000
 boxtype: 0
-colors: 0 0
+colors: 5487 512
 alignment: 4
 style: 0
 size: 11.000000
 lcol: 0
 label: 
-name: g_main
+name: g_burst
 callback: 
 argument: 
 
 --------------------
 class: 1
-type: 2
-box: 140.000000 10.000000 120.000000 160.000000
-boxtype: 2
+type: 1
+box: 140.000000 10.000000 120.000000 120.000000
+boxtype: 1
 colors: 47 47
 alignment: 0
 style: 0
 size: 11.000000
 lcol: 0
-label: Burst mode:
+label: 
 name: 
 callback: 
 argument: 
 
 --------------------
-class: 1
-type: 2
-box: 10.000000 10.000000 120.000000 160.000000
+class: 31
+type: 1
+box: 150.000000 70.000000 100.000000 30.000000
 boxtype: 2
-colors: 47 47
+colors: 13 5
 alignment: 0
 style: 0
 size: 11.000000
 lcol: 0
-label: Options:
-name: 
-callback: 
-argument: 
+label: Max Mbytes:
+name: in_maxmem
+callback: cb_maxmem
+argument: 0
 
 --------------------
 class: 31
 type: 2
-box: 60.000000 50.000000 40.000000 30.000000
+box: 150.000000 20.000000 100.000000 30.000000
 boxtype: 2
 colors: 13 5
 alignment: 0
 style: 0
 size: 11.000000
 lcol: 0
-label: Capture rate:
-name: in_rate
-callback: cb_rate
+label: Nr. of fields:
+name: in_nframes
+callback: cb_nframes
 argument: 0
 
 --------------------
-class: 31
+class: 20000
+type: 0
+box: 0.000000 0.000000 0.000000 0.000000
+boxtype: 0
+colors: -322390740 -895472437
+alignment: 4
+style: 0
+size: 11.000000
+lcol: 0
+label: 
+name: 
+callback: 
+argument: 
+
+--------------------
+class: 10000
+type: 0
+box: 0.000000 0.000000 0.000000 0.000000
+boxtype: 0
+colors: 1147496041 1852404841
+alignment: 4
+style: 0
+size: 11.000000
+lcol: 0
+label: 
+name: g_main
+callback: 
+argument: 
+
+--------------------
+class: 1
 type: 1
-box: 150.000000 70.000000 100.000000 30.000000
-boxtype: 2
-colors: 13 5
+box: 10.000000 10.000000 120.000000 120.000000
+boxtype: 1
+colors: 47 47
 alignment: 0
 style: 0
 size: 11.000000
 lcol: 0
-label: Max Mbytes:
-name: in_maxmem
-callback: cb_maxmem
-argument: 0
+label: 
+name: 
+callback: 
+argument: 
 
 --------------------
 class: 31
 type: 2
-box: 150.000000 20.000000 100.000000 30.000000
+box: 50.000000 70.000000 40.000000 30.000000
 boxtype: 2
 colors: 13 5
 alignment: 0
 style: 0
 size: 11.000000
 lcol: 0
-label: Nr. of fields:
-name: in_nframes
-callback: cb_nframes
+label: Capture rate:
+name: in_rate
+callback: cb_rate
 argument: 0
 
 --------------------
 class: 12
 type: 1
-box: 150.000000 130.000000 100.000000 30.000000
+box: 140.000000 140.000000 120.000000 30.000000
 boxtype: 1
 colors: 39 3
 alignment: 4
@@ -164,7 +194,7 @@ argument: 0
 --------------------
 class: 11
 type: 0
-box: 270.000000 110.000000 70.000015 60.000004
+box: 270.000000 140.000000 70.000015 30.000002
 boxtype: 1
 colors: 47 47
 alignment: 4
@@ -176,25 +206,10 @@ name: b_capture
 callback: cb_capture
 argument: 0
 
---------------------
-class: 13
-type: 1
-box: 20.000000 20.000000 110.000000 30.000000
-boxtype: 0
-colors: 7 3
-alignment: 4
-style: 0
-size: 11.000000
-lcol: 0
-label: "Fielddrop"
-name: b_drop
-callback: cb_drop
-argument: 0
-
 --------------------
 class: 2
 type: 0
-box: 30.000000 50.000000 30.000000 30.000000
+box: 20.000000 70.000000 30.000000 30.000000
 boxtype: 0
 colors: 47 47
 alignment: 2
@@ -209,7 +224,7 @@ argument:
 --------------------
 class: 2
 type: 0
-box: 100.000000 50.000000 30.000000 30.000000
+box: 90.000000 70.000000 30.000000 30.000000
 boxtype: 0
 colors: 47 47
 alignment: 2
@@ -254,7 +269,7 @@ argument: 0
 --------------------
 class: 42
 type: 0
-box: 20.000000 110.000000 100.000000 30.000000
+box: 10.000000 140.000000 120.000000 30.000000
 boxtype: 5
 colors: 7 0
 alignment: 0
@@ -266,12 +281,27 @@ name: c_format
 callback: cb_format
 argument: 0
 
+--------------------
+class: 12
+type: 1
+box: 20.000000 20.000000 100.000000 30.000000
+boxtype: 1
+colors: 39 3
+alignment: 4
+style: 0
+size: 11.000000
+lcol: 0
+label: Fielddrop
+name: b_drop
+callback: cb_drop
+argument: 0
+
 --------------------
 class: 20000
 type: 0
 box: 0.000000 0.000000 0.000000 0.000000
 boxtype: 0
-colors: 0 0
+colors: 544171552 1331849829
 alignment: 4
 style: 0
 size: 11.000000
@@ -286,7 +316,7 @@ class: 10000
 type: 0
 box: 0.000000 0.000000 0.000000 0.000000
 boxtype: 0
-colors: 0 0
+colors: 1147496041 1852404841
 alignment: 4
 style: 0
 size: 11.000000
@@ -299,14 +329,14 @@ argument:
 --------------------
 class: 11
 type: 0
-box: 10.000000 10.000000 330.000000 220.000000
+box: 270.000000 140.000000 70.000000 30.000000
 boxtype: 1
 colors: 47 47
 alignment: 4
 style: 0
 size: 11.000000
 lcol: 0
-label: Stop capture
+label: Stop
 name: b_stop
 callback: cb_stop
 argument: 0
@@ -316,7 +346,7 @@ class: 20000
 type: 0
 box: 0.000000 0.000000 0.000000 0.000000
 boxtype: 0
-colors: 0 0
+colors: 544171552 1331849829
 alignment: 4
 style: 0
 size: 11.000000