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MP3ADUTranscoder.hh
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2 This library is free software; you can redistribute it and/or modify it under
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11 
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15 **********/
16 // "liveMedia"
17 // Copyright (c) 1996-2022 Live Networks, Inc. All rights reserved.
18 // Transcoder for ADUized MP3 frames
19 // C++ header
20 
21 #ifndef _MP3_ADU_TRANSCODER_HH
22 #define _MP3_ADU_TRANSCODER_HH
23 
24 #ifndef _FRAMED_FILTER_HH
25 #include "FramedFilter.hh"
26 #endif
27 
29 public:
31  unsigned outBitrate /* in kbps */,
33 
34  unsigned outBitrate() const { return fOutBitrate; }
35 protected:
37  unsigned outBitrate /* in kbps */,
39  // called only by createNew()
40  virtual ~MP3ADUTranscoder();
41 
42 private:
43  // redefined virtual functions:
44  virtual void doGetNextFrame();
45  virtual void getAttributes() const;
46 
47 private:
48  static void afterGettingFrame(void* clientData,
49  unsigned numBytesRead, unsigned numTruncatedBytes,
50  struct timeval presentationTime,
51  unsigned durationInMicroseconds);
52  void afterGettingFrame1(unsigned numBytesRead, unsigned numTruncatedBytes,
53  struct timeval presentationTime,
54  unsigned durationInMicroseconds);
55 
56 private:
57  unsigned fOutBitrate; // in kbps
59 
60  unsigned char* fOrigADU;
61  // used to store incoming ADU prior to transcoding
62 };
63 
64 #endif
FramedSource * inputSource() const
Definition: FramedFilter.hh:30
virtual void getAttributes() const
MP3ADUTranscoder(UsageEnvironment &env, unsigned outBitrate, FramedSource *inputSource)
virtual void doGetNextFrame()
static void afterGettingFrame(void *clientData, unsigned numBytesRead, unsigned numTruncatedBytes, struct timeval presentationTime, unsigned durationInMicroseconds)
unsigned fAvailableBytesForBackpointer
unsigned outBitrate() const
static MP3ADUTranscoder * createNew(UsageEnvironment &env, unsigned outBitrate, FramedSource *inputSource)
void afterGettingFrame1(unsigned numBytesRead, unsigned numTruncatedBytes, struct timeval presentationTime, unsigned durationInMicroseconds)
unsigned char * fOrigADU
virtual ~MP3ADUTranscoder()