1 files changed, 46 insertions, 0 deletions
diff --git a/webrtc/modules/audio_coding/codecs/isac/main/source/crc.h b/webrtc/modules/audio_coding/codecs/isac/main/source/crc.h
new file mode 100644
index 0000000..09583df
--- /dev/null
+++ b/webrtc/modules/audio_coding/codecs/isac/main/source/crc.h
@@ -0,0 +1,46 @@
+/*
+ *  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.
+ */
+
+/*
+ * crc.h
+ *
+ * Checksum functions
+ *
+ */
+
+#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_CRC_H_
+#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_CRC_H_
+
+#include "webrtc/typedefs.h"
+
+/****************************************************************************
+ * WebRtcIsac_GetCrc(...)
+ *
+ * This function returns a 32 bit CRC checksum of a bit stream
+ *
+ * Input:
+ *  - encoded      : payload bit stream
+ *  - no_of_word8s : number of 8-bit words in the bit stream
+ *
+ * Output:
+ *  - crc          : checksum
+ *
+ * Return value    :  0 - Ok
+ *                   -1 - Error
+ */
+
+int WebRtcIsac_GetCrc(
+    const int16_t* encoded,
+    int no_of_word8s,
+    uint32_t* crc);
+
+
+
+#endif /* WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_CRC_H_ */