python/ext/py-source.c: add seek, thanks @davebrent for the heads up

Paul Brossier committed 12 years ago

Commit 11b49d71 parent 24931d52 files · +46 −6Browse files

Showing the changes to python/tests (1 of 2 files). Show all

Unified · Split

 class aubio_source_read_test_case(aubio_source_test_case_base):
-    def read_from_sink(self, f):
+    def read_from_source(self, f):
         total_frames = 0
         while True:
             vec, read = f()
         print "(", total_frames, "frames", "in",
         print total_frames / f.hop_size, "blocks", "at", "%dHz" % f.samplerate, ")",
         print "from", f.uri
+        return total_frames
     def test_samplerate_hopsize(self):
         for p in list_of_sounds:
             for samplerate, hop_size in zip([0, 44100, 8000, 32000], [ 512, 512, 64, 256]):
                 f = source(p, samplerate, hop_size)
                 assert f.samplerate != 0
-                self.read_from_sink(f)
+                self.read_from_source(f)
     def test_samplerate_none(self):
         for p in list_of_sounds:
             f = source(p)
             assert f.samplerate != 0
-            self.read_from_sink(f)
+            self.read_from_source(f)
     def test_samplerate_0(self):
         for p in list_of_sounds:
             f = source(p, 0)
             assert f.samplerate != 0
-            self.read_from_sink(f)
+            self.read_from_source(f)
     def test_wrong_samplerate(self):
         for p in list_of_sounds:
             f = source(p, 0, 0)
             assert f.samplerate != 0
             assert f.hop_size != 0
-            self.read_from_sink(f)
+            self.read_from_source(f)
+    def test_seek_to_half(self):
+        from random import randint
+        for p in list_of_sounds:
+            f = source(p, 0, 0)
+            assert f.samplerate != 0
+            assert f.hop_size != 0
+            a = self.read_from_source(f)
+            c = randint(0, a)
+            f.seek(c)
+            b = self.read_from_source(f)
+            assert a == b + c
 class aubio_source_readmulti_test_case(aubio_source_read_test_case):
-    def read_from_sink(self, f):
+    def read_from_source(self, f):
         total_frames = 0
         while True:
             vec, read = f.do_multi()
         print f.channels, "channels and",
         print total_frames / f.hop_size, "blocks", "at", "%dHz" % f.samplerate, ")",
         print "from", f.uri
+        return total_frames
 if __name__ == '__main__':
     from unittest import main

python/ext/py-source.c: add seek, thanks @davebrent for the heads up

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