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-rw-r--r--mpeglib/lib/splay/mpegAudioHeader.h101
1 files changed, 101 insertions, 0 deletions
diff --git a/mpeglib/lib/splay/mpegAudioHeader.h b/mpeglib/lib/splay/mpegAudioHeader.h
new file mode 100644
index 00000000..ff5b885a
--- /dev/null
+++ b/mpeglib/lib/splay/mpegAudioHeader.h
@@ -0,0 +1,101 @@
+/*
+ stores information after we found a header.
+ Copyright (C) 2000 Martin Vogt
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Library General Public License as published by
+ the Free Software Foundation.
+
+ For more information look at the file COPYRIGHT in this package
+
+ */
+
+
+
+#ifndef __MPEGHEADERINFO_H
+#define __MPEGHEADERINFO_H
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define _FREQUENCY_44100 0
+#define _FREQUENCY_48000 1
+#define _FREQUENCY_32000 2
+
+#define _MODE_FULLSTEREO 0
+#define _MODE_JOINT 1
+#define _MODE_DUAL 2
+#define _MODE_SINGLE 3
+
+#define _VERSION_1 0
+#define _VERSION_2 1
+
+
+#define MAXSUBBAND 32
+#define SCALEBLOCK 12
+
+
+
+class MpegAudioHeader {
+
+ int protection;
+ int layer;
+ int version;
+ int padding;
+ int frequency;
+ int frequencyHz;
+ int bitrateindex;
+ int extendedmode;
+ int mode;
+ int inputstereo;
+ int channelbitrate;
+ int tableindex;
+ int subbandnumber;
+ int stereobound;
+ int framesize;
+ int layer3slots;
+ int lmpeg25;
+ unsigned char header[4];
+
+ public:
+ MpegAudioHeader();
+ ~MpegAudioHeader();
+
+ int parseHeader(unsigned char* buf);
+
+ inline int getProtection() { return protection; }
+ inline int getLayer() { return layer; }
+ inline int getVersion() { return version; }
+ inline int getPadding() { return padding; }
+ inline int getFrequency() { return frequency; }
+ inline int getFrequencyHz() { return frequencyHz; }
+ inline int getBitrateindex() { return bitrateindex; }
+ inline int getExtendedmode() { return extendedmode; }
+ inline int getMode() { return mode; }
+ inline int getInputstereo() { return inputstereo; }
+ inline int getFramesize() { return framesize; }
+ inline int getLayer25() { return lmpeg25; }
+
+ // MPEG layer 2
+ inline int getTableindex() { return tableindex; }
+ // MPEG layer 1/2
+ inline int getSubbandnumber() { return subbandnumber; }
+ inline int getStereobound() { return stereobound; }
+ // MPEG layer 3
+ inline int getLayer3slots() { return layer3slots; }
+
+ int getChannelbitrate();
+
+
+ inline unsigned char* getHeader() { return header; }
+ int getpcmperframe();
+
+
+ void copyTo(MpegAudioHeader* dest);
+
+ void print(const char* name);
+ void printStates(const char* name);
+};
+#endif