git-svn-id: http://webrtc.googlecode.com/svn/trunk@4 4adac7df-926f-26a2-2b94-8c16560cd09d

modules/audio_coding/main/source/acm_dtmf_detection.h

@@ -0,0 +1,47 @@
+/*
+ *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef ACM_DTMF_DETECTION_H
+#define ACM_DTMF_DETECTION_H
+
+#include "acm_resampler.h"
+#include "audio_coding_module_typedefs.h"
+#include "typedefs.h"
+
+namespace webrtc
+{
+
+class ACMDTMFDetection
+{
+public:
+    ACMDTMFDetection();
+    ~ACMDTMFDetection();
+    WebRtc_Word16 Enable(ACMCountries cpt = ACMDisableCountryDetection);
+    WebRtc_Word16 Disable();
+    WebRtc_Word16 Detect(
+        const WebRtc_Word16* inAudioBuff,
+        const WebRtc_UWord16 inBuffLenWord16,
+        const WebRtc_Word32  inFreqHz,
+        bool&                toneDetected,
+        WebRtc_Word16&       tone);
+    
+    static WebRtc_Word16 GetVersion(
+        WebRtc_Word8*   version,
+        WebRtc_UWord32& remainingBufferInBytes,
+        WebRtc_UWord32& position);
+
+private:
+    ACMResampler  _resampler;    
+    bool          _init;
+};
+
+} // namespace webrtc
+
+#endif // ACM_DTMF_DETECTION_H