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

2011-05-30 11:22:19 +00:00
parent 01813fe945
commit 77ae29bc81
1153 changed files with 404089 additions and 0 deletions
--- a/modules/audio_coding/codecs/PCM16B/main/interface/pcm16b.h
+++ b/modules/audio_coding/codecs/PCM16B/main/interface/pcm16b.h
@@ -0,0 +1,106 @@
+/*
+ *  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 WEBRTC_MODULES_AUDIO_CODING_CODECS_PCM16B_MAIN_INTERFACE_PCM16B_H_
+#define WEBRTC_MODULES_AUDIO_CODING_CODECS_PCM16B_MAIN_INTERFACE_PCM16B_H_
+/*
+ * Define the fixpoint numeric formats
+ */
+
+#include "typedefs.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/****************************************************************************
+ * WebRtcPcm16b_EncodeW16(...)
+ *
+ * "Encode" a sample vector to 16 bit linear (Encoded standard is big endian)
+ *
+ * Input:
+ *		- speechIn16b	: Input speech vector
+ *		- len			: Number of samples in speech vector
+ *
+ * Output:
+ *		- speechOut16b	: Encoded data vector (big endian 16 bit)
+ *
+ * Returned value		: Size in bytes of speechOut16b
+ */
+
+WebRtc_Word16 WebRtcPcm16b_EncodeW16(WebRtc_Word16 *speechIn16b,
+                                     WebRtc_Word16 len,
+                                     WebRtc_Word16 *speechOut16b);
+
+/****************************************************************************
+ * WebRtcPcm16b_Encode(...)
+ *
+ * "Encode" a sample vector to 16 bit linear (Encoded standard is big endian)
+ *
+ * Input:
+ *		- speech16b		: Input speech vector
+ *		- len			: Number of samples in speech vector
+ *
+ * Output:
+ *		- speech8b		: Encoded data vector (big endian 16 bit)
+ *
+ * Returned value		: Size in bytes of speech8b
+ */
+
+WebRtc_Word16 WebRtcPcm16b_Encode(WebRtc_Word16 *speech16b,
+                                  WebRtc_Word16 len,
+                                  unsigned char *speech8b);
+
+/****************************************************************************
+ * WebRtcPcm16b_DecodeW16(...)
+ *
+ * "Decode" a vector to 16 bit linear (Encoded standard is big endian)
+ *
+ * Input:
+ *		- speechIn16b	: Encoded data vector (big endian 16 bit)
+ *		- len			: Number of bytes in speechIn16b
+ *
+ * Output:
+ *		- speechOut16b	: Decoded speech vector
+ *
+ * Returned value		: Samples in speechOut16b
+ */
+
+WebRtc_Word16 WebRtcPcm16b_DecodeW16(void *inst,
+                                     WebRtc_Word16 *speechIn16b,
+                                     WebRtc_Word16 len,
+                                     WebRtc_Word16 *speechOut16b,
+                                     WebRtc_Word16* speechType);
+
+/****************************************************************************
+ * WebRtcPcm16b_Decode(...)
+ *
+ * "Decode" a vector to 16 bit linear (Encoded standard is big endian)
+ *
+ * Input:
+ *		- speech8b		: Encoded data vector (big endian 16 bit)
+ *		- len			: Number of bytes in speech8b
+ *
+ * Output:
+ *		- speech16b		: Decoded speech vector
+ *
+ * Returned value		: Samples in speech16b
+ */
+
+
+WebRtc_Word16 WebRtcPcm16b_Decode(unsigned char *speech8b,
+                                  WebRtc_Word16 len,
+                                  WebRtc_Word16 *speech16b);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PCM16B */