Use groups to show/hide "Stop capture" button.

Made mono capture work.
Don't support rgb24 capture (the code for this doesn't exist in Vrec either!).

diff --git a/Demo/sgi/video/Vb.py b/Demo/sgi/video/Vb.py
index d79113ccdf9bcd00dabf302a95183801090c64cb..6d4c4b53cc62334adb05a88176e656cef5c4fe90 100755 (executable)
--- a/Demo/sgi/video/Vb.py
+++ b/Demo/sgi/video/Vb.py
@@ -33,7 +33,7 @@ def main():
 
 StopCapture = 'StopCapture'
 
-formats = ['rgb24', 'rgb8', 'grey8', 'grey4', 'grey2', \
+formats = ['rgb8', 'grey8', 'grey4', 'grey2', \
           'grey2_dith', 'mono_dith', 'mono_thresh']
 formatmap = {'rgb24': 'rgb', 'grey8': 'grey'}
 
@@ -42,12 +42,12 @@ class VideoBagOfTricks:
        def init(self):
                formdef = flp.parse_form('VbForm', 'form')
                flp.create_full_form(self, formdef)
+               self.g_stop.hide_object()
                self.setdefaults()
                self.openvideo()
                self.makewindow()
                self.bindvideo()
                self.capturing = 0
-               self.b_stop.hide_object()
                self.form.show_form(FL.PLACE_SIZE, FL.TRUE, \
                                    'Video Bag Of Tricks')
                fl.set_event_call_back(self.do_event)
@@ -223,6 +223,7 @@ class VideoBagOfTricks:
 
        def cb_capture(self, *args):
                self.setwatch()
+               self.g_main.hide_object()
                self.cb_file() # Make sure filename is OK
                filename = self.in_file.get_input()
                format = self.getformat()
@@ -246,6 +247,7 @@ class VideoBagOfTricks:
                                convertor = imageop.grey2grey4
                        elif greybits == -2:
                                convertor = imageop.dither2grey2
+               mono = (format == 'mono')
                vformat = SV.RGB8_FRAMES
                qsize = 0
                rate = eval(self.in_rate.get_input())
@@ -254,13 +256,12 @@ class VideoBagOfTricks:
                tpf = 50
                self.video.InitContinuousCapture(info)
                self.capturing = 1
+               self.g_stop.show_object()
                self.setarrow()
-               self.b_stop.show_object()
                while 1:
                        try:
                                void = fl.check_forms()
                        except StopCapture:
-                               self.capturing = 0
                                break
                        try:
                                cd, id = self.video.GetCaptureData()
@@ -274,16 +275,27 @@ class VideoBagOfTricks:
                        t = id*tpf
                        if convertor:
                                data = convertor(data, len(data), 1)
-##                     elif mono and monotreshold >= 0:
-##                             data = imageop.grey2mono(data, len(data), 1,\
-##                                       monotreshold)
-##                     elif mono:
-##                             data = imageop.dither2mono(data, len(data), 1)
-                       vout.writeframe(t, data, None)
+                       elif mono:
+                               if self.mono_use_thresh:
+                                       data = imageop.grey2mono(data, \
+                                                 len(data), 1,\
+                                                 self.mono_thresh)
+                               else:
+                                       data = imageop.dither2mono(data, \
+                                                 len(data), 1)
+                       try:
+                               vout.writeframe(t, data, None)
+                       except IOError, msg:
+                               if msg == (0, 'Error 0'):
+                                       msg = 'disk full??'
+                               fl.show_message('IOError: ' + str(msg))
+                               break
                self.setwatch()
+               self.g_stop.hide_object()
+               self.capturing = 0
                vout.close()
-               self.b_stop.hide_object()
                self.video.EndContinuousCapture()
+               self.g_main.show_object()
                self.setarrow()
 
        def cb_quit(self, *args):

diff --git a/Demo/sgi/video/VbForm.fd b/Demo/sgi/video/VbForm.fd
index 164c2c76ba8a4014c11e65b5f3a41513139a9bd1..8c53257a1d3aea6dec5c6aa4b1b71f323d2694a2 100644 (file)
--- a/Demo/sgi/video/VbForm.fd
+++ b/Demo/sgi/video/VbForm.fd
@@ -9,7 +9,7 @@ Number of forms: 1
 Name: form
 Width: 350.000000
 Height: 240.000000
-Number of Objects: 17
+Number of Objects: 21
 
 --------------------
 class: 1
@@ -26,6 +26,21 @@ 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: 11.000000
+lcol: 0
+label: 
+name: g_main
+callback: 
+argument: 
+
 --------------------
 class: 1
 type: 2
@@ -251,10 +266,40 @@ name: c_format
 callback: cb_format
 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: 11.000000
+lcol: 0
+label: 
+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: 11.000000
+lcol: 0
+label: 
+name: g_stop
+callback: 
+argument: 
+
 --------------------
 class: 11
 type: 0
-box: 0.000000 0.000000 350.000000 240.000000
+box: 10.000000 10.000000 330.000000 220.000000
 boxtype: 1
 colors: 47 47
 alignment: 4
@@ -266,5 +311,20 @@ name: b_stop
 callback: cb_stop
 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: 11.000000
+lcol: 0
+label: 
+name: 
+callback: 
+argument: 
+
 ==============================
 create_the_forms