1/**********
2This library is free software; you can redistribute it and/or modify it under
3the terms of the GNU Lesser General Public License as published by the
4Free Software Foundation; either version 3 of the License, or (at your
5option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
6
7This library is distributed in the hope that it will be useful, but WITHOUT
8ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
9FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
10more details.
11
12You should have received a copy of the GNU Lesser General Public License
13along with this library; if not, write to the Free Software Foundation, Inc.,
1451 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
15**********/
16// "liveMedia"
17// Copyright (c) 1996-2020 Live Networks, Inc. All rights reserved.
18// A source object for AMR audio sources
19// C++ header
20
21#ifndef _AMR_AUDIO_SOURCE_HH
22#define _AMR_AUDIO_SOURCE_HH
23
24#ifndef _FRAMED_SOURCE_HH
25#include "FramedSource.hh"
26#endif
27
28class AMRAudioSource: public FramedSource {
29public:
30 Boolean isWideband() const { return fIsWideband; }
31 unsigned numChannels() const { return fNumChannels; }
32
33 u_int8_t lastFrameHeader() const { return fLastFrameHeader; }
34 // The frame header for the most recently read frame (RFC 4867, sec. 5.3)
35
36protected:
37 AMRAudioSource(UsageEnvironment& env, Boolean isWideband, unsigned numChannels);
38 // virtual base class
39 virtual ~AMRAudioSource();
40
41private:
42 // redefined virtual functions:
43 virtual char const* MIMEtype() const;
44 virtual Boolean isAMRAudioSource() const;
45
46protected:
47 Boolean fIsWideband;
48 unsigned fNumChannels;
49 u_int8_t fLastFrameHeader;
50};
51
52#endif
53