test more frames and with different input each time (change seed)

git-svn-id: https://xpra.org/svn/Xpra/trunk@8941 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/tests/xpra/codecs/test_video_codec.py

@@ -12,18 +12,6 @@
 
 
 def do_test_codec_roundtrip(encoder_class, decoder_class, encoding, src_format, dst_formats, w, h, populate):
-    if src_format.find("RGB")>=0 or src_format.find("BGR")>=0:
-        pixels = make_rgb_input(src_format, w, h, populate=populate)
-        isize = len(pixels)
-        stride = len(src_format)*w
-        #print(" input pixels: %s (%sx%s, stride=%s, stride*h=%s)" % (len(pixels), w, h, stride, stride*h))
-        assert len(pixels)>=stride*h, "not enough pixels! (expected at least %s but got %s)" % (stride*h, len(pixels))
-        image = ImageWrapper(0, 0, w, h, pixels, src_format, 24, stride, planes=ImageWrapper.PACKED)
-    else:
-        strides, pixels = make_planar_input(src_format, w, h, populate=populate)
-        isize = sum([len(x) for x in pixels])
-        image = ImageWrapper(0, 0, w, h, pixels, src_format, 24, strides, planes=ImageWrapper._3_PLANES)
-
     quality = 100
     speed = 100
     scaling = (1,1)
@@ -42,7 +30,20 @@ def do_test_codec_roundtrip(encoder_class, decoder_class, encoding, src_format,
     end = time.time()
     print("decoder %s initialized in %.1fms" % (decoder, 1000.0*(end-start)))
 
-    for i in range(2):
+    for i in range(4):
+
+        if src_format.find("RGB")>=0 or src_format.find("BGR")>=0:
+            pixels = make_rgb_input(src_format, w, h, populate=populate, seed=i)
+            isize = len(pixels)
+            stride = len(src_format)*w
+            #print(" input pixels: %s (%sx%s, stride=%s, stride*h=%s)" % (len(pixels), w, h, stride, stride*h))
+            assert len(pixels)>=stride*h, "not enough pixels! (expected at least %s but got %s)" % (stride*h, len(pixels))
+            image = ImageWrapper(0, 0, w, h, pixels, src_format, 24, stride, planes=ImageWrapper.PACKED)
+        else:
+            strides, pixels = make_planar_input(src_format, w, h, populate=populate)
+            isize = sum([len(x) for x in pixels])
+            image = ImageWrapper(0, 0, w, h, pixels, src_format, 24, strides, planes=ImageWrapper._3_PLANES)
+
         print("FRAME %s" % i)
         print("using %s to compress %s" % (encoder, image))
         start = time.time()