AudioDecoder.hh

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/*
* Copyright (C) 2012-2014 Open Source Robotics Foundation
*
* 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 _GAZEBO_AUDIO_DECODER_HH_
#define _GAZEBO_AUDIO_DECODER_HH_

#include <stdint.h>
#include <string>
#include "gazebo/util/system.hh"

struct AVFormatContext;
struct AVCodecContext;
struct AVCodec;

namespace gazebo
{
  namespace common
  {

    class GAZEBO_VISIBLE AudioDecoder
    {
      public: AudioDecoder();

      public: virtual ~AudioDecoder();

      public: bool SetFile(const std::string &_filename);

      public: std::string GetFile() const;

      public: bool Decode(uint8_t **_outBuffer, unsigned int *_outBufferSize);

      public: int GetSampleRate();

      private: void Cleanup();

      private: AVFormatContext *formatCtx;

      private: AVCodecContext *codecCtx;

      private: AVCodec *codec;

      private: int audioStream;

      private: static bool initialized;

      private: std::string filename;
    };
  }
}
#endif