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1 /**********
2 This library is free software; you can redistribute it and/or modify it under
3 the terms of the GNU Lesser General Public License as published by the
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9 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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14 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
15 **********/
16 // "liveMedia"
17 // Copyright (c) 1996-2022 Live Networks, Inc. All rights reserved.
18 // A 'ServerMediaSubsession' object that creates new, unicast, "RTPSink"s
19 // on demand, from an WAV audio file.
20 // C++ header
27 #endif
30 public:
32  createNew(UsageEnvironment& env, char const* fileName, Boolean reuseFirstSource,
33  Boolean convertToULaw = False);
34  // If "convertToULaw" is True, 16-bit audio streams are converted to
35  // 8-bit u-law audio prior to streaming.
37 protected:
39  Boolean reuseFirstSource, Boolean convertToULaw);
40  // called only by createNew();
43 protected: // redefined virtual functions
44  virtual void seekStreamSource(FramedSource* inputSource, double& seekNPT, double streamDuration, u_int64_t& numBytes);
45  virtual void setStreamSourceScale(FramedSource* inputSource, float scale);
46  virtual void setStreamSourceDuration(FramedSource* inputSource, double streamDuration, u_int64_t& numBytes);
48  virtual FramedSource* createNewStreamSource(unsigned clientSessionId,
49  unsigned& estBitrate);
50  virtual RTPSink* createNewRTPSink(Groupsock* rtpGroupsock,
51  unsigned char rtpPayloadTypeIfDynamic,
52  FramedSource* inputSource);
53  virtual void testScaleFactor(float& scale);
54  virtual float duration() const;
56 protected:
59  // The following parameters of the input stream are set after
60  // "createNewStreamSource" is called:
61  unsigned char fAudioFormat;
62  unsigned char fBitsPerSample;
64  unsigned fNumChannels;
66 };
68 #endif
const Boolean False
Definition: Boolean.hh:28
unsigned char Boolean
Definition: Boolean.hh:25
virtual void setStreamSourceDuration(FramedSource *inputSource, double streamDuration, u_int64_t &numBytes)
WAVAudioFileServerMediaSubsession(UsageEnvironment &env, char const *fileName, Boolean reuseFirstSource, Boolean convertToULaw)
virtual void testScaleFactor(float &scale)
static WAVAudioFileServerMediaSubsession * createNew(UsageEnvironment &env, char const *fileName, Boolean reuseFirstSource, Boolean convertToULaw=False)
virtual RTPSink * createNewRTPSink(Groupsock *rtpGroupsock, unsigned char rtpPayloadTypeIfDynamic, FramedSource *inputSource)
virtual FramedSource * createNewStreamSource(unsigned clientSessionId, unsigned &estBitrate)
virtual void seekStreamSource(FramedSource *inputSource, double &seekNPT, double streamDuration, u_int64_t &numBytes)
virtual float duration() const
virtual void setStreamSourceScale(FramedSource *inputSource, float scale)