src/cobalt/audio/async_audio_decoder.h

/*
 * Copyright 2015 Google Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef COBALT_AUDIO_ASYNC_AUDIO_DECODER_H_
#define COBALT_AUDIO_ASYNC_AUDIO_DECODER_H_

#include "base/callback.h"
#include "base/threading/thread.h"
#include "cobalt/audio/audio_buffer.h"
#include "cobalt/audio/audio_helpers.h"
#include "cobalt/dom/array_buffer.h"

namespace cobalt {
namespace audio {

class AsyncAudioDecoder {
 public:
  typedef base::Callback<void(float sample_rate, int32 number_of_frames,
                              int32 number_of_channels,
                              scoped_array<uint8> channels_data,
                              SampleType sample_type)> DecodeFinishCallback;

  AsyncAudioDecoder();

  void AsyncDecode(const uint8* audio_data, size_t size,
                   const DecodeFinishCallback& decode_finish_callback);

 private:
  // The decoder thread.
  base::Thread thread_;

  DISALLOW_COPY_AND_ASSIGN(AsyncAudioDecoder);
};

}  // namespace audio
}  // namespace cobalt

#endif  // COBALT_AUDIO_ASYNC_AUDIO_DECODER_H_