blob: e7f8f48ab7941ef556b14e4ed9b3de4e2f280045 [file] [log] [blame]
// 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.
#include <memory>
namespace media {
class AudioBus;
// A writer interface used for writing audio data to file for debugging
// purposes.
class AudioFileWriter {
virtual ~AudioFileWriter() {}
// Must be called before calling Write() for the first time after creation or
// Stop() call. Can be called on any sequence; Write() and Stop() must be
// called on the same sequence as Start().
virtual void Start(const base::FilePath& file) = 0;
// Must be called to finish recording. Each call to Start() requires a call to
// Stop(). Will be automatically called on destruction.
virtual void Stop() = 0;
// Write |data| to file.
virtual void Write(std::unique_ptr<AudioBus> data) = 0;
// Returns true if Write() call scheduled at this point will most likely write
// data to the file, and false if it most likely will be a no-op. The result
// may be ambigulous if Start() or Stop() is executed at the moment. Can be
// called from any sequence.
virtual bool WillWrite() = 0;
} // namspace media