blob: f322b09643453894af64d55e11283e7b593d463f [file] [log] [blame]
* 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.
#include <memory>
#include "common_audio/wav_file.h"
#include "modules/audio_processing/include/audio_generator.h"
#include "rtc_base/constructor_magic.h"
namespace webrtc {
// Provides looping audio from a file. The file is read in its entirety on
// construction and then closed. This class wraps a webrtc::WavReader, and is
// hence unsuitable for non-diagnostic code.
class FileAudioGenerator : public AudioGenerator {
// Reads the playout audio from a given WAV file.
explicit FileAudioGenerator(std::unique_ptr<WavReader> input_audio_file);
~FileAudioGenerator() override;
// Fill |audio| with audio from a file.
void FillFrame(AudioFrameView<float> audio) override;
size_t NumChannels() override;
size_t SampleRateHz() override;
size_t num_channels_;
size_t sample_rate_hz_;
} // namespace webrtc