00001
00002 #ifndef WAVFILE_H
00003 #define WAVFILE_H
00004
00005 #include <qobject.h>
00006 #include <sys/soundcard.h>
00007 #include <qfile.h>
00008 #include <qstring.h>
00009
00010 typedef struct {
00011 char riffID[4];
00012 unsigned long riffLen;
00013 char wavID[4];
00014 char fmtID[4];
00015 unsigned long fmtLen;
00016 unsigned short fmtTag;
00017 unsigned short nChannels;
00018 unsigned long sampleRate;
00019 unsigned long avgBytesPerSec;
00020 unsigned short nBlockAlign;
00021 unsigned short bitsPerSample;
00022 char dataID[4];
00023 unsigned long dataLen;
00024 } wavhdr;
00025
00026
00027 class WavFile : public QObject {
00028 Q_OBJECT
00029 public:
00030 WavFile( QObject * parent=0,const QString &fileName=0, bool newFile=0, int sampleRate=0,
00031 int channels=0 , int resolution=0, int format=0);
00032 ~WavFile();
00033 wavhdr hdr;
00034 bool adjustHeaders(int fd, int total);
00035 QString currentFileName;
00036 QString trackName();
00037
00038 QFile track;
00039 int wavHandle();
00040 int getFormat();
00041 int getResolution();
00042 int getSampleRate();
00043 int getNumberSamples();
00044 int getChannels();
00045 bool isTempFile();
00046 int openFile(const QString &);
00047 bool newFile();
00048 void closeFile();
00049
00050 private:
00051 int wavFormat, wavChannels, wavResolution, wavSampleRate, wavNumberSamples;
00052 bool useTmpFile;
00053 bool setWavHeader(int fd, wavhdr *hdr);
00054 int parseWavHeader(int fd);
00055 };
00056
00057 #endif
