File: MP3AudioFileServerMediaSubsession.hh

package info (click to toggle)
liblivemedia 2006.03.17-2
  • links: PTS
  • area: main
  • in suites: etch, etch-m68k
  • size: 2,928 kB
  • ctags: 4,588
  • sloc: cpp: 35,064; ansic: 979; makefile: 78; sh: 73
file content (66 lines) | stat: -rw-r--r-- 2,627 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
/**********
This library is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the
Free Software Foundation; either version 2.1 of the License, or (at your
option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)

This library is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
more details.

You should have received a copy of the GNU Lesser General Public License
along with this library; if not, write to the Free Software Foundation, Inc.,
59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
**********/
// "liveMedia"
// Copyright (c) 1996-2005 Live Networks, Inc.  All rights reserved.
// A 'ServerMediaSubsession' object that creates new, unicast, "RTPSink"s
// on demand, from an MP3 audio file.
// (Actually, any MPEG-1 or MPEG-2 audio file should work.)
// C++ header

#ifndef _MP3_AUDIO_FILE_SERVER_MEDIA_SUBSESSION_HH
#define _MP3_AUDIO_FILE_SERVER_MEDIA_SUBSESSION_HH

#ifndef _FILE_SERVER_MEDIA_SUBSESSION_HH
#include "FileServerMediaSubsession.hh"
#endif
#ifndef _MP3_ADU_INTERLEAVING_HH
#include "MP3ADUinterleaving.hh"
#endif

class MP3AudioFileServerMediaSubsession: public FileServerMediaSubsession{
public:
  static MP3AudioFileServerMediaSubsession*
  createNew(UsageEnvironment& env, char const* fileName, Boolean reuseFirstSource,
	    Boolean generateADUs, Interleaving* interleaving);
      // Note: "interleaving" is used only if "generateADUs" is True,
      // (and a value of NULL means 'no interleaving')

private:
  MP3AudioFileServerMediaSubsession(UsageEnvironment& env,
				    char const* fileName, Boolean reuseFirstSource,
				    Boolean generateADUs,
				    Interleaving* interleaving);
      // called only by createNew();
  virtual ~MP3AudioFileServerMediaSubsession();

private: // redefined virtual functions
  virtual void seekStreamSource(FramedSource* inputSource, float seekNPT);
  virtual void setStreamSourceScale(FramedSource* inputSource, float scale);
  virtual FramedSource* createNewStreamSource(unsigned clientSessionId,
					      unsigned& estBitrate);
  virtual RTPSink* createNewRTPSink(Groupsock* rtpGroupsock,
                                    unsigned char rtpPayloadTypeIfDynamic,
				    FramedSource* inputSource);
  virtual void testScaleFactor(float& scale);
  virtual float duration() const;

private:
  Boolean fGenerateADUs;
  Interleaving* fInterleaving;
  float fFileDuration;
};

#endif