AudioDecoder.hh
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1 /*
2 * Copyright (C) 2012 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
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8 * http://www.apache.org/licenses/LICENSE-2.0
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13 * See the License for the specific language governing permissions and
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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  {
36 
39  class GZ_COMMON_VISIBLE AudioDecoder
40  {
42  public: AudioDecoder();
43 
45  public: virtual ~AudioDecoder();
46 
50  public: bool SetFile(const std::string &_filename);
51 
55  public: std::string GetFile() const;
56 
62  public: bool Decode(uint8_t **_outBuffer, unsigned int *_outBufferSize);
63 
66  public: int GetSampleRate();
67 
69  private: void Cleanup();
70 
72  private: AVFormatContext *formatCtx;
73 
75  private: AVCodecContext *codecCtx;
76 
78  private: AVCodec *codec;
79 
81  private: int audioStream;
82 
84  private: static bool initialized;
85 
87  private: std::string filename;
88  };
90  }
91 }
92 #endif
An audio decoder based on FFMPEG.
Definition: AudioDecoder.hh:39
Forward declarations for the common classes.
Definition: Animation.hh:33