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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_DEBUG_WRITER_H_
#define CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_DEBUG_WRITER_H_
#include <stdint.h>
#include "base/files/file.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/move.h"
#include "media/audio/audio_input_writer.h"
namespace media {
class AudioBus;
class AudioBusRefCounted;
} // namespace media
namespace content {
// Writes audio input data used for debugging purposes. Can be created on any
// thread. Must be destroyed on the FILE thread. Write call can be made on any
// thread. This object must be unregistered in Write caller before destroyed.
// When created, it takes ownership of |file|.
class AudioInputDebugWriter : public media::AudioInputWriter {
public:
explicit AudioInputDebugWriter(base::File file);
~AudioInputDebugWriter() override;
// Write data from |data| to file.
void Write(scoped_ptr<media::AudioBus> data) override;
private:
// Write data from |data| to file. Called on the FILE thread.
void DoWrite(scoped_ptr<media::AudioBus> data);
// The file to write to.
base::File file_;
// Intermediate buffer to be written to file. Interleaved 16 bit audio data.
scoped_ptr<int16_t[]> interleaved_data_;
int interleaved_data_size_;
base::WeakPtrFactory<AudioInputDebugWriter> weak_factory_;
};
} // namspace content
#endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_DEBUG_WRITER_H_
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