Komssys: copyOfMpegAudioHeader.h Source File

00001 /* 00002 stores information after we found a header. 00003 Copyright (C) 2000 Martin Vogt 00004 00005 This program is free software; you can redistribute it and/or modify 00006 it under the terms of the GNU Library General Public License as published by 00007 the Free Software Foundation. 00008 00009 For more information look at the file COPYRIGHT in this package 00010 00011 */ 00012 00013 00014 00015 #ifndef __MPEGHEADERINFO_H 00016 #define __MPEGHEADERINFO_H 00017 00018 00019 #include <stdio.h> 00020 #include "mnstream.h" 00021 00022 #define _FREQUENCY_44100 0 00023 #define _FREQUENCY_48000 1 00024 #define _FREQUENCY_32000 2 00025 00026 #define _MODE_FULLSTEREO 0 00027 #define _MODE_JOINT 1 00028 #define _MODE_DUAL 2 00029 #define _MODE_SINGLE 3 00030 00031 #define _VERSION_1 0 00032 #define _VERSION_2 1 00033 00034 00035 #define MAXSUBBAND 32 00036 #define SCALEBLOCK 12 00037 00038 00039 00040 class CopyOfMpegAudioHeader { 00041 00042 int protection; 00043 int layer; 00044 int version; 00045 int padding; 00046 int frequency; 00047 int frequencyHz; 00048 int bitrateindex; 00049 int bitratevalue; 00050 int extendedmode; 00051 int mode; 00052 int inputstereo; 00053 int channelbitrate; 00054 int tableindex; 00055 int subbandnumber; 00056 int stereobound; 00057 int framesize; 00058 int layer3slots; 00059 unsigned char header[4]; 00060 00061 public: 00062 CopyOfMpegAudioHeader(); 00063 ~CopyOfMpegAudioHeader(); 00064 00065 int parseHeader(unsigned char* buf); 00066 00067 inline int getProtection() { return protection; } 00068 inline int getLayer() { return layer; } 00069 inline int getVersion() { return version; } 00070 inline int getPadding() { return padding; } 00071 inline int getFrequency() { return frequency; } 00072 inline int getFrequencyHz() { return frequencyHz; } 00073 inline int getBitrateindex() { return bitrateindex; } 00074 inline int getBitratevalue() { return bitratevalue; } 00075 inline int getExtendedmode() { return extendedmode; } 00076 inline int getMode() { return mode; } 00077 inline int getInputstereo() { return inputstereo; } 00078 inline int getChannelbitrate() { return channelbitrate; } 00079 inline int getTableindex() { return tableindex; } 00080 inline int getSubbandnumber() { return subbandnumber; } 00081 inline int getStereobound() { return stereobound; } 00082 inline int getFramesize() { return framesize; } 00083 inline int getLayer3slots() { return layer3slots; } 00084 00085 int getpcmperframe(); 00086 00087 00088 void copyTo(CopyOfMpegAudioHeader* dest); 00089 00090 void print(char* name); 00091 }; 00092 #endif