Diffstat (limited to 'noncore/multimedia/opierec/wavFile.cpp') (more/less context) (show whitespace changes)
-rw-r--r-- | noncore/multimedia/opierec/wavFile.cpp | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/noncore/multimedia/opierec/wavFile.cpp b/noncore/multimedia/opierec/wavFile.cpp index b177c91..987fa32 100644 --- a/noncore/multimedia/opierec/wavFile.cpp +++ b/noncore/multimedia/opierec/wavFile.cpp @@ -104,113 +104,113 @@ void WavFile::closeFile() { if(track.isOpen()) track.close(); } int WavFile::openFile(const QString ¤tFileName) { // qDebug("open play file "+currentFileName); closeFile(); track.setName(currentFileName); if(!track.open(IO_ReadOnly)) { QString errorMsg=(QString)strerror(errno); qDebug("<<<<<<<<<<< "+errorMsg+currentFileName); QMessageBox::message("Note", "Error opening file.\n" +errorMsg); return -1; } else { parseWavHeader( track.handle()); } return track.handle(); } bool WavFile::setWavHeader(int fd, wavhdr *hdr) { strncpy((*hdr).riffID, "RIFF", 4); // RIFF strncpy((*hdr).wavID, "WAVE", 4); //WAVE strncpy((*hdr).fmtID, "fmt ", 4); // fmt (*hdr).fmtLen = 16; // format length = 16 if( wavFormat == WAVE_FORMAT_PCM) { (*hdr).fmtTag = 1; // PCM // qDebug("set header WAVE_FORMAT_PCM"); } else { (*hdr).fmtTag = WAVE_FORMAT_DVI_ADPCM; //intel ADPCM // qDebug("set header WAVE_FORMAT_DVI_ADPCM"); } // (*hdr).nChannels = 1;//filePara.channels;// ? 2 : 1*/; // channels (*hdr).nChannels = wavChannels;// ? 2 : 1*/; // channels (*hdr).sampleRate = wavSampleRate; //samples per second (*hdr).avgBytesPerSec = (wavSampleRate)*( wavChannels*(wavResolution/8)); // bytes per second (*hdr).nBlockAlign = wavChannels*( wavResolution/8); //block align (*hdr).bitsPerSample = wavResolution; //bits per sample 8, or 16 strncpy((*hdr).dataID, "data", 4); write( fd,hdr, sizeof(*hdr)); -// qDebug("writing header: bitrate%d, samplerate %d, channels %d", -// wavResolution, wavSampleRate, wavChannels); + qDebug("writing header: bitrate%d, samplerate %d, channels %d", + wavResolution, wavSampleRate, wavChannels); return true; } bool WavFile::adjustHeaders(int fd, int total) { lseek(fd, 4, SEEK_SET); int i = total + 36; write( fd, &i, sizeof(i)); lseek( fd, 40, SEEK_SET); write( fd, &total, sizeof(total)); -// qDebug("adjusting header %d", total); + qDebug("adjusting header %d", total); return true; } int WavFile::parseWavHeader(int fd) { -// qDebug("Parsing wav header"); + qDebug("Parsing wav header"); char string[4]; int found; short fmt; unsigned short ch, bitrate; unsigned long samplerrate, longdata; if (read(fd, string, 4) < 4) { qDebug(" Could not read from sound file.\n"); return -1; } if (strncmp(string, "RIFF", 4)) { qDebug(" not a valid WAV file.\n"); return -1; } lseek(fd, 4, SEEK_CUR); if (read(fd, string, 4) < 4) { qDebug("Could not read from sound file.\n"); return -1; } if (strncmp(string, "WAVE", 4)) { qDebug("not a valid WAV file.\n"); return -1; } found = 0; while (!found) { if (read(fd, string, 4) < 4) { qDebug("Could not read from sound file.\n"); return -1; } if (strncmp(string, "fmt ", 4)) { if (read(fd, &longdata, 4) < 4) { qDebug("Could not read from sound file.\n"); return -1; } lseek(fd, longdata, SEEK_CUR); } else { lseek(fd, 4, SEEK_CUR); if (read(fd, &fmt, 2) < 2) { qDebug("Could not read format chunk.\n"); return -1; } if (fmt != WAVE_FORMAT_PCM && fmt != WAVE_FORMAT_DVI_ADPCM) { qDebug("Wave file contains unknown format." " Unable to continue.\n"); return -1; } wavFormat = fmt; @@ -259,48 +259,53 @@ int WavFile::parseWavHeader(int fd) { lseek(fd, longdata, SEEK_CUR); } else { if (read(fd, &longdata, 4) < 4) { qDebug("Could not read from sound file.\n"); return -1; } else { wavNumberSamples = longdata; qDebug("file has length of %d \nlasting %d seconds", (int)longdata, (int)(( longdata / wavSampleRate) / wavChannels) / ( wavChannels*( wavResolution/8)) ); // wavSeconds = (( longdata / wavSampleRate) / wavChannels) / ( wavChannels*( wavResolution/8)); return longdata; } } } lseek(fd, 0, SEEK_SET); return 0; } QString WavFile::trackName() { return track.name(); } int WavFile::wavHandle(){ return track.handle(); } int WavFile::getFormat() { return wavFormat; } int WavFile::getResolution() { return wavResolution; } int WavFile::getSampleRate() { return wavSampleRate; } int WavFile::getNumberSamples() { return wavNumberSamples; } bool WavFile::isTempFile() { return useTmpFile; } + +int WavFile::getChannels() { + + return wavChannels; +} |