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AudioDecoder.hh
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1 /*
2 * Copyright (C) 2012-2014 Open Source Robotics Foundation
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *
16 */
17 
18 #ifndef _GAZEBO_AUDIO_DECODER_HH_
19 #define _GAZEBO_AUDIO_DECODER_HH_
20 
21 #include <stdint.h>
22 #include <string>
23 #include "gazebo/util/system.hh"
24 
25 struct AVFormatContext;
26 struct AVCodecContext;
27 struct AVCodec;
28 
29 namespace gazebo
30 {
31  namespace common
32  {
35 
39  {
41  public: AudioDecoder();
42 
44  public: virtual ~AudioDecoder();
45 
49  public: bool SetFile(const std::string &_filename);
50 
54  public: std::string GetFile() const;
55 
61  public: bool Decode(uint8_t **_outBuffer, unsigned int *_outBufferSize);
62 
65  public: int GetSampleRate();
66 
68  private: void Cleanup();
69 
71  private: AVFormatContext *formatCtx;
72 
74  private: AVCodecContext *codecCtx;
75 
77  private: AVCodec *codec;
78 
80  private: int audioStream;
81 
83  private: static bool initialized;
84 
86  private: std::string filename;
87  };
89  }
90 }
91 #endif