changeset 61:f7ee26ca5304

Start on the main process stuff

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/test_process.py	Wed Jan 14 10:36:55 2015 +0000
@@ -0,0 +1,13 @@
+
+import vamp
+import numpy as np
+
+testPluginKey = "vamp-test-plugin:vamp-test-plugin"
+
+rate = 44100
+
+def test_process():
+    buf = np.zeros(1024)
+    results = vamp.process(buf, rate, testPluginKey, {}, [])
+    print("results = " + str(list(results)))
+    return True

--- a/vamp/__init__.py	Wed Jan 14 10:36:22 2015 +0000
+++ b/vamp/__init__.py	Wed Jan 14 10:36:55 2015 +0000
@@ -24,11 +24,27 @@
         yield frame
         i = i + stepSize
 
+def selectOutputs(result, outputs):
+    return result ##!!! for now
+
 def process(data, samplerate, key, parameters, outputs):
     plug = vampyhost.loadPlugin(key, samplerate,
                                 vampyhost.AdaptInputDomain +
                                 vampyhost.AdaptChannelCount)
     stepSize = plug.getPreferredStepSize()
     blockSize = plug.getPreferredBlockSize()
+    if blockSize == 0:
+        blockSize = 1024
+    if stepSize == 0:
+        stepSize = blockSize ##!!! or blockSize/2, but check this with input domain adapter
+    channels = 1
+    if data.ndim > 1:
+        channels = data.shape[0]
+    plug.initialise(channels, stepSize, blockSize)
     ff = framesFromArray(data, stepSize, blockSize)
-    return True
+    fi = 0
+    for f in ff:
+        result = plug.processBlock(f, vampyhost.frame2RealTime(fi, samplerate))
+        yield selectOutputs(result, outputs)
+        fi = fi + stepSize
+