aifc.py: framerate should be an int.

sunau.py: should convert number of frames correctly to number of bytes
	when reading.

Lib/aifc.py

@@ -515,7 +515,7 @@ class Aifc_read:
 		self._nchannels = _read_short(chunk)
 		self._nframes = _read_long(chunk)
 		self._sampwidth = (_read_short(chunk) + 7) / 8
-		self._framerate = _read_float(chunk)
+		self._framerate = int(_read_float(chunk))
 		self._framesize = self._nchannels * self._sampwidth
 		if self._aifc:
 			#DEBUG: SGI's soundeditor produces a bad size :-(

Lib/sunau.py

@@ -254,7 +254,7 @@ class Au_read:
 			if nframes == AUDIO_UNKNOWN_SIZE:
 				data = self._file.read()
 			else:
-				data = self._file.read(nframes * self._sampwidth * self._nchannels)
+				data = self._file.read(nframes * self._framesize * self._nchannels)
 			if self._encoding == AUDIO_FILE_ENCODING_MULAW_8:
 				import audioop
 				data = audioop.ulaw2lin(data, self._sampwidth)