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+/*
+ *  Copyright (c) 2018 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 MODULES_AUDIO_PROCESSING_TEST_AUDIOPROC_FLOAT_IMPL_H_
+#define MODULES_AUDIO_PROCESSING_TEST_AUDIOPROC_FLOAT_IMPL_H_
+
+#include <memory>
+
+#include "modules/audio_processing/include/audio_processing.h"
+
+namespace webrtc {
+namespace test {
+
+// This function implements the audio processing simulation utility. Pass
+// `input_aecdump` to provide the content of an AEC dump file as a string; if
+// `input_aecdump` is not passed, a WAV or AEC input dump file must be specified
+// via the `argv` argument. Pass `processed_capture_samples` to write in it the
+// samples processed on the capture side; if `processed_capture_samples` is not
+// passed, the output file can optionally be specified via the `argv` argument.
+// Any audio_processing object specified in the input is used for the
+// simulation. Note that when the audio_processing object is specified all
+// functionality that relies on using the internal builder is deactivated,
+// since the AudioProcessing object is already created and the builder is not
+// used in the simulation.
+int AudioprocFloatImpl(rtc::scoped_refptr<AudioProcessing> audio_processing,
+                       int argc,
+                       char* argv[]);
+
+// This function implements the audio processing simulation utility. Pass
+// `input_aecdump` to provide the content of an AEC dump file as a string; if
+// `input_aecdump` is not passed, a WAV or AEC input dump file must be specified
+// via the `argv` argument. Pass `processed_capture_samples` to write in it the
+// samples processed on the capture side; if `processed_capture_samples` is not
+// passed, the output file can optionally be specified via the `argv` argument.
+int AudioprocFloatImpl(std::unique_ptr<AudioProcessingBuilder> ap_builder,
+                       int argc,
+                       char* argv[],
+                       absl::string_view input_aecdump,
+                       std::vector<float>* processed_capture_samples);
+
+}  // namespace test
+}  // namespace webrtc
+
+#endif  // MODULES_AUDIO_PROCESSING_TEST_AUDIOPROC_FLOAT_IMPL_H_