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Dependents:   PROJECT_3D_AUDIO COG4050_adxl355_tilt COG4050_adxl355_tilt COG4050_adxl355_tilt_4050

WavObject.h@0:5347612e39a3, 2015-04-07 (annotated)

Committer:
niv17
Date:
Tue Apr 07 21:09:51 2015 +0000
Revision:
0:5347612e39a3
april_7 _ sonic start

Who changed what in which revision?

UserRevisionLine numberNew contents of line
niv17 0:5347612e39a3 1 //
niv17 0:5347612e39a3 2 // WavObject.h
niv17 0:5347612e39a3 3 // Demo
niv17 0:5347612e39a3 4 //
niv17 0:5347612e39a3 5 // Created by Philadelphia Game Lab on 7/7/14.
niv17 0:5347612e39a3 6 // Copyright (c) 2014 Philadelphia Game Lab. All rights reserved.
niv17 0:5347612e39a3 7 //
niv17 0:5347612e39a3 8
niv17 0:5347612e39a3 9 #ifndef WAVOBJECT_H
niv17 0:5347612e39a3 10 #define WAVOBJECT_H
niv17 0:5347612e39a3 11
niv17 0:5347612e39a3 12 #include <string>
niv17 0:5347612e39a3 13 #include "complextype.h"
niv17 0:5347612e39a3 14 #include <cmath>
niv17 0:5347612e39a3 15 #include <math.h>
niv17 0:5347612e39a3 16 #include <iostream>
niv17 0:5347612e39a3 17
niv17 0:5347612e39a3 18 //using std::complex;
niv17 0:5347612e39a3 19
niv17 0:5347612e39a3 20 class WavObject {
niv17 0:5347612e39a3 21
niv17 0:5347612e39a3 22 FILE* soundFile;
niv17 0:5347612e39a3 23 struct
niv17 0:5347612e39a3 24 {
niv17 0:5347612e39a3 25 long n;
niv17 0:5347612e39a3 26 int sampleRate;
niv17 0:5347612e39a3 27 int bitDepth;
niv17 0:5347612e39a3 28 int nChannels;
niv17 0:5347612e39a3 29 }wavFileData;
niv17 0:5347612e39a3 30 long startOfWavData;
niv17 0:5347612e39a3 31 long endOfWavData;
niv17 0:5347612e39a3 32
niv17 0:5347612e39a3 33 public:
niv17 0:5347612e39a3 34
niv17 0:5347612e39a3 35 //Struct that holds RIFF data of Wave File.
niv17 0:5347612e39a3 36 //RIFF data is meta data info that holds ID, size and format of WAVE file.
niv17 0:5347612e39a3 37 struct RIFF_Header {
niv17 0:5347612e39a3 38 char chunkID[4];
niv17 0:5347612e39a3 39 unsigned int chunkSize;
niv17 0:5347612e39a3 40 char format[4];
niv17 0:5347612e39a3 41 };
niv17 0:5347612e39a3 42
niv17 0:5347612e39a3 43 //Struct that holds format subchunk data for WAVE file.
niv17 0:5347612e39a3 44 struct WAVE_Format {
niv17 0:5347612e39a3 45 unsigned int subChunkSize;
niv17 0:5347612e39a3 46 short audioFormat;
niv17 0:5347612e39a3 47 short nChannels;
niv17 0:5347612e39a3 48 unsigned int sampleRate;
niv17 0:5347612e39a3 49 unsigned int byteRate;
niv17 0:5347612e39a3 50 short blockAlign;
niv17 0:5347612e39a3 51 short bitsPerSample;
niv17 0:5347612e39a3 52 };
niv17 0:5347612e39a3 53
niv17 0:5347612e39a3 54 //Struct that holds data of WAVE file.
niv17 0:5347612e39a3 55 struct WAVE_Data {
niv17 0:5347612e39a3 56 long subChunk2Size;
niv17 0:5347612e39a3 57 };
niv17 0:5347612e39a3 58
niv17 0:5347612e39a3 59 //Struct to hold subchunkID
niv17 0:5347612e39a3 60 struct CHUNK_ID {
niv17 0:5347612e39a3 61 char chunkID[4];
niv17 0:5347612e39a3 62 };
niv17 0:5347612e39a3 63
niv17 0:5347612e39a3 64
niv17 0:5347612e39a3 65 WAVE_Format wave_format;
niv17 0:5347612e39a3 66 RIFF_Header riff_header;
niv17 0:5347612e39a3 67 WAVE_Data wave_data;
niv17 0:5347612e39a3 68 CHUNK_ID chunk_id;
niv17 0:5347612e39a3 69
niv17 0:5347612e39a3 70 short *shortTempData;
niv17 0:5347612e39a3 71 Complex *complexTempData;
niv17 0:5347612e39a3 72
niv17 0:5347612e39a3 73
niv17 0:5347612e39a3 74 WavObject (unsigned int size,const std::string wavFileName) : shortTempData(new short[size]), complexTempData(new Complex[size]) {
niv17 0:5347612e39a3 75 extractWavHeader(wavFileName);
niv17 0:5347612e39a3 76 }
niv17 0:5347612e39a3 77
niv17 0:5347612e39a3 78 Complex *loadCmpWavData(const std::string fname, long *size, int *smpFreq, int *bitDepth, int *channels);
niv17 0:5347612e39a3 79 void extractWavHeader (const std::string fname);
niv17 0:5347612e39a3 80
niv17 0:5347612e39a3 81 // returns false if end of file reached and no repeat, true otherwise
niv17 0:5347612e39a3 82 bool loadMoreData(unsigned int size, bool repeat);
niv17 0:5347612e39a3 83
niv17 0:5347612e39a3 84 void seekToBeginning();
niv17 0:5347612e39a3 85
niv17 0:5347612e39a3 86 ~WavObject () {
niv17 0:5347612e39a3 87 delete[] shortTempData;
niv17 0:5347612e39a3 88 delete[] complexTempData;
niv17 0:5347612e39a3 89 if (soundFile)
niv17 0:5347612e39a3 90 fclose(soundFile);
niv17 0:5347612e39a3 91 }
niv17 0:5347612e39a3 92
niv17 0:5347612e39a3 93 };
niv17 0:5347612e39a3 94
niv17 0:5347612e39a3 95 #endif