-

4 files changed, 600 insertions, 0 deletions

diff --git a/thirdparties/mac/include/webrtc/echo_cancellation.h b/thirdparties/mac/include/webrtc/echo_cancellation.h
new file mode 100644
index 0000000..dc64a34
--- /dev/null
+++ b/thirdparties/mac/include/webrtc/echo_cancellation.h
@@ -0,0 +1,256 @@
+/*
+ *  Copyright (c) 2012 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_PROCESSING_AEC_INCLUDE_ECHO_CANCELLATION_H_
+#define WEBRTC_MODULES_AUDIO_PROCESSING_AEC_INCLUDE_ECHO_CANCELLATION_H_
+
+#include "webrtc/typedefs.h"
+
+// Errors
+#define AEC_UNSPECIFIED_ERROR 12000
+#define AEC_UNSUPPORTED_FUNCTION_ERROR 12001
+#define AEC_UNINITIALIZED_ERROR 12002
+#define AEC_NULL_POINTER_ERROR 12003
+#define AEC_BAD_PARAMETER_ERROR 12004
+
+// Warnings
+#define AEC_BAD_PARAMETER_WARNING 12050
+
+enum {
+  kAecNlpConservative = 0,
+  kAecNlpModerate,
+  kAecNlpAggressive
+};
+
+enum {
+  kAecFalse = 0,
+  kAecTrue
+};
+
+typedef struct {
+  int16_t nlpMode;      // default kAecNlpModerate
+  int16_t skewMode;     // default kAecFalse
+  int16_t metricsMode;  // default kAecFalse
+  int delay_logging;    // default kAecFalse
+  // float realSkew;
+} AecConfig;
+
+typedef struct {
+  int instant;
+  int average;
+  int max;
+  int min;
+} AecLevel;
+
+typedef struct {
+  AecLevel rerl;
+  AecLevel erl;
+  AecLevel erle;
+  AecLevel aNlp;
+} AecMetrics;
+
+struct AecCore;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Allocates the memory needed by the AEC. The memory needs to be initialized
+ * separately using the WebRtcAec_Init() function.
+ *
+ * Inputs                       Description
+ * -------------------------------------------------------------------
+ * void**  aecInst              Pointer to the AEC instance to be created
+ *                              and initialized
+ *
+ * Outputs                      Description
+ * -------------------------------------------------------------------
+ * int32_t return               0: OK
+ *                             -1: error
+ */
+int32_t WebRtcAec_Create(void** aecInst);
+
+/*
+ * This function releases the memory allocated by WebRtcAec_Create().
+ *
+ * Inputs                       Description
+ * -------------------------------------------------------------------
+ * void*        aecInst         Pointer to the AEC instance
+ *
+ * Outputs                      Description
+ * -------------------------------------------------------------------
+ * int32_t      return          0: OK
+ *                             -1: error
+ */
+int32_t WebRtcAec_Free(void* aecInst);
+
+/*
+ * Initializes an AEC instance.
+ *
+ * Inputs                       Description
+ * -------------------------------------------------------------------
+ * void*          aecInst       Pointer to the AEC instance
+ * int32_t        sampFreq      Sampling frequency of data
+ * int32_t        scSampFreq    Soundcard sampling frequency
+ *
+ * Outputs                      Description
+ * -------------------------------------------------------------------
+ * int32_t        return        0: OK
+ *                             -1: error
+ */
+int32_t WebRtcAec_Init(void* aecInst, int32_t sampFreq, int32_t scSampFreq);
+
+/*
+ * Inserts an 80 or 160 sample block of data into the farend buffer.
+ *
+ * Inputs                       Description
+ * -------------------------------------------------------------------
+ * void*          aecInst       Pointer to the AEC instance
+ * int16_t*       farend        In buffer containing one frame of
+ *                              farend signal for L band
+ * int16_t        nrOfSamples   Number of samples in farend buffer
+ *
+ * Outputs                      Description
+ * -------------------------------------------------------------------
+ * int32_t        return        0: OK
+ *                             -1: error
+ */
+int32_t WebRtcAec_BufferFarend(void* aecInst,
+                               const int16_t* farend,
+                               int16_t nrOfSamples);
+
+/*
+ * Runs the echo canceller on an 80 or 160 sample blocks of data.
+ *
+ * Inputs                       Description
+ * -------------------------------------------------------------------
+ * void*         aecInst        Pointer to the AEC instance
+ * float*        nearend        In buffer containing one frame of
+ *                              nearend+echo signal for L band
+ * float*        nearendH       In buffer containing one frame of
+ *                              nearend+echo signal for H band
+ * int16_t       nrOfSamples    Number of samples in nearend buffer
+ * int16_t       msInSndCardBuf Delay estimate for sound card and
+ *                              system buffers
+ * int16_t       skew           Difference between number of samples played
+ *                              and recorded at the soundcard (for clock skew
+ *                              compensation)
+ *
+ * Outputs                      Description
+ * -------------------------------------------------------------------
+ * float*        out            Out buffer, one frame of processed nearend
+ *                              for L band
+ * float*        outH           Out buffer, one frame of processed nearend
+ *                              for H band
+ * int32_t       return         0: OK
+ *                             -1: error
+ */
+int32_t WebRtcAec_Process(void* aecInst,
+                          const float* nearend,
+                          const float* nearendH,
+                          float* out,
+                          float* outH,
+                          int16_t nrOfSamples,
+                          int16_t msInSndCardBuf,
+                          int32_t skew);
+
+/*
+ * This function enables the user to set certain parameters on-the-fly.
+ *
+ * Inputs                       Description
+ * -------------------------------------------------------------------
+ * void*          handle        Pointer to the AEC instance
+ * AecConfig      config        Config instance that contains all
+ *                              properties to be set
+ *
+ * Outputs                      Description
+ * -------------------------------------------------------------------
+ * int            return         0: OK
+ *                              -1: error
+ */
+int WebRtcAec_set_config(void* handle, AecConfig config);
+
+/*
+ * Gets the current echo status of the nearend signal.
+ *
+ * Inputs                       Description
+ * -------------------------------------------------------------------
+ * void*          handle        Pointer to the AEC instance
+ *
+ * Outputs                      Description
+ * -------------------------------------------------------------------
+ * int*           status        0: Almost certainly nearend single-talk
+ *                              1: Might not be neared single-talk
+ * int            return         0: OK
+ *                              -1: error
+ */
+int WebRtcAec_get_echo_status(void* handle, int* status);
+
+/*
+ * Gets the current echo metrics for the session.
+ *
+ * Inputs                       Description
+ * -------------------------------------------------------------------
+ * void*          handle        Pointer to the AEC instance
+ *
+ * Outputs                      Description
+ * -------------------------------------------------------------------
+ * AecMetrics*    metrics       Struct which will be filled out with the
+ *                              current echo metrics.
+ * int            return         0: OK
+ *                              -1: error
+ */
+int WebRtcAec_GetMetrics(void* handle, AecMetrics* metrics);
+
+/*
+ * Gets the current delay metrics for the session.
+ *
+ * Inputs                       Description
+ * -------------------------------------------------------------------
+ * void*      handle            Pointer to the AEC instance
+ *
+ * Outputs                      Description
+ * -------------------------------------------------------------------
+ * int*       median            Delay median value.
+ * int*       std               Delay standard deviation.
+ *
+ * int        return             0: OK
+ *                              -1: error
+ */
+int WebRtcAec_GetDelayMetrics(void* handle, int* median, int* std);
+
+/*
+ * Gets the last error code.
+ *
+ * Inputs                       Description
+ * -------------------------------------------------------------------
+ * void*          aecInst       Pointer to the AEC instance
+ *
+ * Outputs                      Description
+ * -------------------------------------------------------------------
+ * int32_t        return        11000-11100: error code
+ */
+int32_t WebRtcAec_get_error_code(void* aecInst);
+
+// Returns a pointer to the low level AEC handle.
+//
+// Input:
+//  - handle                    : Pointer to the AEC instance.
+//
+// Return value:
+//  - AecCore pointer           : NULL for error.
+//
+struct AecCore* WebRtcAec_aec_core(void* handle);
+
+#ifdef __cplusplus
+}
+#endif
+#endif  // WEBRTC_MODULES_AUDIO_PROCESSING_AEC_INCLUDE_ECHO_CANCELLATION_H_
diff --git a/thirdparties/mac/include/webrtc/noise_suppression.h b/thirdparties/mac/include/webrtc/noise_suppression.h
new file mode 100644
index 0000000..32b1803
--- /dev/null
+++ b/thirdparties/mac/include/webrtc/noise_suppression.h
@@ -0,0 +1,123 @@
+/*
+ *  Copyright (c) 2012 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_PROCESSING_NS_INCLUDE_NOISE_SUPPRESSION_H_
+#define WEBRTC_MODULES_AUDIO_PROCESSING_NS_INCLUDE_NOISE_SUPPRESSION_H_
+
+#include "webrtc/typedefs.h"
+
+typedef struct NsHandleT NsHandle;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * This function creates an instance to the noise suppression structure
+ *
+ * Input:
+ *      - NS_inst       : Pointer to noise suppression instance that should be
+ *                        created
+ *
+ * Output:
+ *      - NS_inst       : Pointer to created noise suppression instance
+ *
+ * Return value         :  0 - Ok
+ *                        -1 - Error
+ */
+int WebRtcNs_Create(NsHandle** NS_inst);
+
+
+/*
+ * This function frees the dynamic memory of a specified noise suppression
+ * instance.
+ *
+ * Input:
+ *      - NS_inst       : Pointer to NS instance that should be freed
+ *
+ * Return value         :  0 - Ok
+ *                        -1 - Error
+ */
+int WebRtcNs_Free(NsHandle* NS_inst);
+
+
+/*
+ * This function initializes a NS instance and has to be called before any other
+ * processing is made.
+ *
+ * Input:
+ *      - NS_inst       : Instance that should be initialized
+ *      - fs            : sampling frequency
+ *
+ * Output:
+ *      - NS_inst       : Initialized instance
+ *
+ * Return value         :  0 - Ok
+ *                        -1 - Error
+ */
+int WebRtcNs_Init(NsHandle* NS_inst, uint32_t fs);
+
+/*
+ * This changes the aggressiveness of the noise suppression method.
+ *
+ * Input:
+ *      - NS_inst       : Noise suppression instance.
+ *      - mode          : 0: Mild, 1: Medium , 2: Aggressive
+ *
+ * Output:
+ *      - NS_inst       : Updated instance.
+ *
+ * Return value         :  0 - Ok
+ *                        -1 - Error
+ */
+int WebRtcNs_set_policy(NsHandle* NS_inst, int mode);
+
+
+/*
+ * This functions does Noise Suppression for the inserted speech frame. The
+ * input and output signals should always be 10ms (80 or 160 samples).
+ *
+ * Input
+ *      - NS_inst       : Noise suppression instance.
+ *      - spframe       : Pointer to speech frame buffer for L band
+ *      - spframe_H     : Pointer to speech frame buffer for H band
+ *      - fs            : sampling frequency
+ *
+ * Output:
+ *      - NS_inst       : Updated NS instance
+ *      - outframe      : Pointer to output frame for L band
+ *      - outframe_H    : Pointer to output frame for H band
+ *
+ * Return value         :  0 - OK
+ *                        -1 - Error
+ */
+int WebRtcNs_Process(NsHandle* NS_inst,
+                     short* spframe,
+                     short* spframe_H,
+                     short* outframe,
+                     short* outframe_H);
+
+/* Returns the internally used prior speech probability of the current frame.
+ * There is a frequency bin based one as well, with which this should not be
+ * confused.
+ *
+ * Input
+ *      - handle        : Noise suppression instance.
+ *
+ * Return value         : Prior speech probability in interval [0.0, 1.0].
+ *                        -1 - NULL pointer or uninitialized instance.
+ */
+float WebRtcNs_prior_speech_probability(NsHandle* handle);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  // WEBRTC_MODULES_AUDIO_PROCESSING_NS_INCLUDE_NOISE_SUPPRESSION_H_
diff --git a/thirdparties/mac/include/webrtc/noise_suppression_x.h b/thirdparties/mac/include/webrtc/noise_suppression_x.h
new file mode 100644
index 0000000..e775868
--- /dev/null
+++ b/thirdparties/mac/include/webrtc/noise_suppression_x.h
@@ -0,0 +1,109 @@
+/*
+ *  Copyright (c) 2012 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_PROCESSING_NS_INCLUDE_NOISE_SUPPRESSION_X_H_
+#define WEBRTC_MODULES_AUDIO_PROCESSING_NS_INCLUDE_NOISE_SUPPRESSION_X_H_
+
+#include "webrtc/typedefs.h"
+
+typedef struct NsxHandleT NsxHandle;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * This function creates an instance to the noise reduction structure
+ *
+ * Input:
+ *      - nsxInst       : Pointer to noise reduction instance that should be
+ *                       created
+ *
+ * Output:
+ *      - nsxInst       : Pointer to created noise reduction instance
+ *
+ * Return value         :  0 - Ok
+ *                        -1 - Error
+ */
+int WebRtcNsx_Create(NsxHandle** nsxInst);
+
+
+/*
+ * This function frees the dynamic memory of a specified Noise Suppression
+ * instance.
+ *
+ * Input:
+ *      - nsxInst       : Pointer to NS instance that should be freed
+ *
+ * Return value         :  0 - Ok
+ *                        -1 - Error
+ */
+int WebRtcNsx_Free(NsxHandle* nsxInst);
+
+
+/*
+ * This function initializes a NS instance
+ *
+ * Input:
+ *      - nsxInst       : Instance that should be initialized
+ *      - fs            : sampling frequency
+ *
+ * Output:
+ *      - nsxInst       : Initialized instance
+ *
+ * Return value         :  0 - Ok
+ *                        -1 - Error
+ */
+int WebRtcNsx_Init(NsxHandle* nsxInst, uint32_t fs);
+
+/*
+ * This changes the aggressiveness of the noise suppression method.
+ *
+ * Input:
+ *      - nsxInst       : Instance that should be initialized
+ *      - mode          : 0: Mild, 1: Medium , 2: Aggressive
+ *
+ * Output:
+ *      - nsxInst       : Initialized instance
+ *
+ * Return value         :  0 - Ok
+ *                        -1 - Error
+ */
+int WebRtcNsx_set_policy(NsxHandle* nsxInst, int mode);
+
+/*
+ * This functions does noise suppression for the inserted speech frame. The
+ * input and output signals should always be 10ms (80 or 160 samples).
+ *
+ * Input
+ *      - nsxInst       : NSx instance. Needs to be initiated before call.
+ *      - speechFrame   : Pointer to speech frame buffer for L band
+ *      - speechFrameHB : Pointer to speech frame buffer for H band
+ *      - fs            : sampling frequency
+ *
+ * Output:
+ *      - nsxInst       : Updated NSx instance
+ *      - outFrame      : Pointer to output frame for L band
+ *      - outFrameHB    : Pointer to output frame for H band
+ *
+ * Return value         :  0 - OK
+ *                        -1 - Error
+ */
+int WebRtcNsx_Process(NsxHandle* nsxInst,
+                      short* speechFrame,
+                      short* speechFrameHB,
+                      short* outFrame,
+                      short* outFrameHB);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  // WEBRTC_MODULES_AUDIO_PROCESSING_NS_INCLUDE_NOISE_SUPPRESSION_X_H_
diff --git a/thirdparties/mac/include/webrtc/typedefs.h b/thirdparties/mac/include/webrtc/typedefs.h
new file mode 100644
index 0000000..d8977ff
--- /dev/null
+++ b/thirdparties/mac/include/webrtc/typedefs.h
@@ -0,0 +1,112 @@
+/*
+ *  Copyright (c) 2012 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.
+ */
+
+// This file contains platform-specific typedefs and defines.
+// Much of it is derived from Chromium's build/build_config.h.
+
+#ifndef WEBRTC_TYPEDEFS_H_
+#define WEBRTC_TYPEDEFS_H_
+
+// Processor architecture detection.  For more info on what's defined, see:
+//   http://msdn.microsoft.com/en-us/library/b0084kay.aspx
+//   http://www.agner.org/optimize/calling_conventions.pdf
+//   or with gcc, run: "echo | gcc -E -dM -"
+#if defined(_M_X64) || defined(__x86_64__)
+#define WEBRTC_ARCH_X86_FAMILY
+#define WEBRTC_ARCH_X86_64
+#define WEBRTC_ARCH_64_BITS
+#define WEBRTC_ARCH_LITTLE_ENDIAN
+#elif defined(__aarch64__)
+#define WEBRTC_ARCH_64_BITS
+#define WEBRTC_ARCH_LITTLE_ENDIAN
+#elif defined(_M_IX86) || defined(__i386__)
+#define WEBRTC_ARCH_X86_FAMILY
+#define WEBRTC_ARCH_X86
+#define WEBRTC_ARCH_32_BITS
+#define WEBRTC_ARCH_LITTLE_ENDIAN
+#elif defined(__ARMEL__)
+// TODO(ajm): We'd prefer to control platform defines here, but this is
+// currently provided by the Android makefiles. Commented to avoid duplicate
+// definition warnings.
+//#define WEBRTC_ARCH_ARM
+// TODO(ajm): Chromium uses the following two defines. Should we switch?
+//#define WEBRTC_ARCH_ARM_FAMILY
+//#define WEBRTC_ARCH_ARMEL
+#define WEBRTC_ARCH_32_BITS
+#define WEBRTC_ARCH_LITTLE_ENDIAN
+#elif defined(__MIPSEL__)
+#define WEBRTC_ARCH_32_BITS
+#define WEBRTC_ARCH_LITTLE_ENDIAN
+#elif defined(__pnacl__)
+#define WEBRTC_ARCH_32_BITS
+#define WEBRTC_ARCH_LITTLE_ENDIAN
+#else
+#error Please add support for your architecture in typedefs.h
+#endif
+
+#if !(defined(WEBRTC_ARCH_LITTLE_ENDIAN) ^ defined(WEBRTC_ARCH_BIG_ENDIAN))
+#error Define either WEBRTC_ARCH_LITTLE_ENDIAN or WEBRTC_ARCH_BIG_ENDIAN
+#endif
+
+#if (defined(WEBRTC_ARCH_X86_FAMILY) && !defined(__SSE2__)) ||  \
+    (defined(WEBRTC_ARCH_ARM_V7) && !defined(WEBRTC_ARCH_ARM_NEON))
+#define WEBRTC_CPU_DETECTION
+#endif
+
+#if !defined(_MSC_VER)
+#include <stdint.h>
+#else
+// Define C99 equivalent types, since pre-2010 MSVC doesn't provide stdint.h.
+typedef signed char         int8_t;
+typedef signed short        int16_t;
+typedef signed int          int32_t;
+typedef __int64             int64_t;
+typedef unsigned char       uint8_t;
+typedef unsigned short      uint16_t;
+typedef unsigned int        uint32_t;
+typedef unsigned __int64    uint64_t;
+#endif
+
+// Borrowed from Chromium's base/compiler_specific.h.
+// Annotate a virtual method indicating it must be overriding a virtual
+// method in the parent class.
+// Use like:
+//   virtual void foo() OVERRIDE;
+#if defined(_MSC_VER)
+#define OVERRIDE override
+#elif defined(__clang__)
+// Clang defaults to C++03 and warns about using override. Squelch that.
+// Intentionally no push/pop here so all users of OVERRIDE ignore the warning
+// too. This is like passing -Wno-c++11-extensions, except that GCC won't die
+// (because it won't see this pragma).
+#pragma clang diagnostic ignored "-Wc++11-extensions"
+#define OVERRIDE override
+#elif defined(__GNUC__) && __cplusplus >= 201103 && \
+    (__GNUC__ * 10000 + __GNUC_MINOR__ * 100) >= 40700
+// GCC 4.7 supports explicit virtual overrides when C++11 support is enabled.
+#define OVERRIDE override
+#else
+#define OVERRIDE
+#endif
+
+// Annotate a function indicating the caller must examine the return value.
+// Use like:
+//   int foo() WARN_UNUSED_RESULT;
+// TODO(ajm): Hack to avoid multiple definitions until the base/ of webrtc and
+// libjingle are merged.
+#if !defined(WARN_UNUSED_RESULT)
+#if defined(__GNUC__)
+#define WARN_UNUSED_RESULT __attribute__((warn_unused_result))
+#else
+#define WARN_UNUSED_RESULT
+#endif
+#endif  // WARN_UNUSED_RESULT
+
+#endif  // WEBRTC_TYPEDEFS_H_