Update to current webrtc library
This is from the upstream library commit id 3326535126e435f1ba647885ce43a8f0f3d317eb, corresponding to Chromium 88.0.4290.1.
This commit is contained in:
@ -8,11 +8,11 @@
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_COMMON_AUDIO_RESAMPLER_INCLUDE_PUSH_RESAMPLER_H_
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#define WEBRTC_COMMON_AUDIO_RESAMPLER_INCLUDE_PUSH_RESAMPLER_H_
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#ifndef COMMON_AUDIO_RESAMPLER_INCLUDE_PUSH_RESAMPLER_H_
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#define COMMON_AUDIO_RESAMPLER_INCLUDE_PUSH_RESAMPLER_H_
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#include "webrtc/base/scoped_ptr.h"
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#include "webrtc/typedefs.h"
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#include <memory>
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#include <vector>
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namespace webrtc {
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@ -28,25 +28,32 @@ class PushResampler {
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// Must be called whenever the parameters change. Free to be called at any
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// time as it is a no-op if parameters have not changed since the last call.
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int InitializeIfNeeded(int src_sample_rate_hz, int dst_sample_rate_hz,
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int num_channels);
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int InitializeIfNeeded(int src_sample_rate_hz,
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int dst_sample_rate_hz,
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size_t num_channels);
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// Returns the total number of samples provided in destination (e.g. 32 kHz,
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// 2 channel audio gives 640 samples).
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int Resample(const T* src, size_t src_length, T* dst, size_t dst_capacity);
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private:
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rtc::scoped_ptr<PushSincResampler> sinc_resampler_;
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rtc::scoped_ptr<PushSincResampler> sinc_resampler_right_;
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int src_sample_rate_hz_;
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int dst_sample_rate_hz_;
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int num_channels_;
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rtc::scoped_ptr<T[]> src_left_;
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rtc::scoped_ptr<T[]> src_right_;
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rtc::scoped_ptr<T[]> dst_left_;
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rtc::scoped_ptr<T[]> dst_right_;
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};
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size_t num_channels_;
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// Vector that is needed to provide the proper inputs and outputs to the
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// interleave/de-interleave methods used in Resample. This needs to be
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// heap-allocated on the state to support an arbitrary number of channels
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// without doing run-time heap-allocations in the Resample method.
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std::vector<T*> channel_data_array_;
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struct ChannelResampler {
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std::unique_ptr<PushSincResampler> resampler;
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std::vector<T> source;
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std::vector<T> destination;
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};
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std::vector<ChannelResampler> channel_resamplers_;
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};
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} // namespace webrtc
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#endif // WEBRTC_COMMON_AUDIO_RESAMPLER_INCLUDE_PUSH_RESAMPLER_H_
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#endif // COMMON_AUDIO_RESAMPLER_INCLUDE_PUSH_RESAMPLER_H_
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@ -8,88 +8,92 @@
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* be found in the AUTHORS file in the root of the source tree.
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*/
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/*
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* A wrapper for resampling a numerous amount of sampling combinations.
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*/
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#ifndef WEBRTC_RESAMPLER_RESAMPLER_H_
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#define WEBRTC_RESAMPLER_RESAMPLER_H_
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#ifndef COMMON_AUDIO_RESAMPLER_INCLUDE_RESAMPLER_H_
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#define COMMON_AUDIO_RESAMPLER_INCLUDE_RESAMPLER_H_
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#include <stddef.h>
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#include "webrtc/typedefs.h"
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#include <stdint.h>
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namespace webrtc {
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// All methods return 0 on success and -1 on failure.
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class Resampler
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{
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class Resampler {
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public:
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Resampler();
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Resampler(int inFreq, int outFreq, size_t num_channels);
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~Resampler();
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public:
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Resampler();
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Resampler(int inFreq, int outFreq, int num_channels);
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~Resampler();
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// Reset all states
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int Reset(int inFreq, int outFreq, size_t num_channels);
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// Reset all states
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int Reset(int inFreq, int outFreq, int num_channels);
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// Reset all states if any parameter has changed
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int ResetIfNeeded(int inFreq, int outFreq, size_t num_channels);
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// Reset all states if any parameter has changed
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int ResetIfNeeded(int inFreq, int outFreq, int num_channels);
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// Resample samplesIn to samplesOut.
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int Push(const int16_t* samplesIn,
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size_t lengthIn,
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int16_t* samplesOut,
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size_t maxLen,
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size_t& outLen); // NOLINT: to avoid changing APIs
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// Resample samplesIn to samplesOut.
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int Push(const int16_t* samplesIn, size_t lengthIn, int16_t* samplesOut,
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size_t maxLen, size_t &outLen);
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private:
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enum ResamplerMode {
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kResamplerMode1To1,
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kResamplerMode1To2,
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kResamplerMode1To3,
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kResamplerMode1To4,
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kResamplerMode1To6,
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kResamplerMode1To12,
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kResamplerMode2To3,
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kResamplerMode2To11,
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kResamplerMode4To11,
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kResamplerMode8To11,
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kResamplerMode11To16,
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kResamplerMode11To32,
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kResamplerMode2To1,
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kResamplerMode3To1,
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kResamplerMode4To1,
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kResamplerMode6To1,
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kResamplerMode12To1,
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kResamplerMode3To2,
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kResamplerMode11To2,
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kResamplerMode11To4,
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kResamplerMode11To8
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};
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private:
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enum ResamplerMode
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{
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kResamplerMode1To1,
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kResamplerMode1To2,
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kResamplerMode1To3,
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kResamplerMode1To4,
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kResamplerMode1To6,
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kResamplerMode1To12,
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kResamplerMode2To3,
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kResamplerMode2To11,
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kResamplerMode4To11,
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kResamplerMode8To11,
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kResamplerMode11To16,
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kResamplerMode11To32,
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kResamplerMode2To1,
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kResamplerMode3To1,
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kResamplerMode4To1,
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kResamplerMode6To1,
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kResamplerMode12To1,
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kResamplerMode3To2,
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kResamplerMode11To2,
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kResamplerMode11To4,
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kResamplerMode11To8
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};
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// Computes the resampler mode for a given sampling frequency pair.
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// Returns -1 for unsupported frequency pairs.
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static int ComputeResamplerMode(int in_freq_hz,
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int out_freq_hz,
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ResamplerMode* mode);
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// Generic pointers since we don't know what states we'll need
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void* state1_;
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void* state2_;
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void* state3_;
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// Generic pointers since we don't know what states we'll need
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void* state1_;
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void* state2_;
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void* state3_;
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// Storage if needed
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int16_t* in_buffer_;
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int16_t* out_buffer_;
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size_t in_buffer_size_;
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size_t out_buffer_size_;
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size_t in_buffer_size_max_;
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size_t out_buffer_size_max_;
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// Storage if needed
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int16_t* in_buffer_;
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int16_t* out_buffer_;
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size_t in_buffer_size_;
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size_t out_buffer_size_;
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size_t in_buffer_size_max_;
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size_t out_buffer_size_max_;
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int my_in_frequency_khz_;
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int my_out_frequency_khz_;
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ResamplerMode my_mode_;
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int num_channels_;
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int my_in_frequency_khz_;
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int my_out_frequency_khz_;
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ResamplerMode my_mode_;
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size_t num_channels_;
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// Extra instance for stereo
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Resampler* slave_left_;
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Resampler* slave_right_;
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// Extra instance for stereo
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Resampler* helper_left_;
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Resampler* helper_right_;
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};
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} // namespace webrtc
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#endif // WEBRTC_RESAMPLER_RESAMPLER_H_
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#endif // COMMON_AUDIO_RESAMPLER_INCLUDE_RESAMPLER_H_
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