| -rw-r--r-- | noncore/multimedia/opierec/wavFile.cpp | 34 |
1 files changed, 16 insertions, 18 deletions
diff --git a/noncore/multimedia/opierec/wavFile.cpp b/noncore/multimedia/opierec/wavFile.cpp index fc0130c..360b884 100644 --- a/noncore/multimedia/opierec/wavFile.cpp +++ b/noncore/multimedia/opierec/wavFile.cpp @@ -107,210 +107,208 @@ void WavFile::closeFile() { if(track.isOpen()) track.close(); } int WavFile::openFile(const QString ¤tFileName) { // odebug << "open play file "+currentFileName << oendl; closeFile(); track.setName(currentFileName); if(!track.open(IO_ReadOnly)) { QString errorMsg=(QString)strerror(errno); odebug << "<<<<<<<<<<< "+errorMsg+currentFileName << oendl; 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 // odebug << "set header WAVE_FORMAT_PCM" << oendl; } else { (*hdr).fmtTag = WAVE_FORMAT_DVI_ADPCM; //intel ADPCM // odebug << "set header WAVE_FORMAT_DVI_ADPCM" << oendl; } // (*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)); - odebug << "writing header: bitrate " << wavResolution - << ", samplerate " << wavSampleRate - << ", channels " << wavChannels << oendl; + odebug << "writing header: bitrate " << wavResolution << ", samplerate " << wavSampleRate << ", channels " << wavChannels << oendl; 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)); odebug << "adjusting header " << total << "" << oendl; return true; } int WavFile::parseWavHeader(int fd) { odebug << "Parsing wav header" << oendl; char string[4]; int found; short fmt; unsigned short ch, bitrate; unsigned long samplerrate, longdata; if (read(fd, string, 4) < 4) { - odebug << " Could not read from sound file.\n" << oendl; + odebug << " Could not read from sound file." << oendl; return -1; } if (strncmp(string, "RIFF", 4)) { - odebug << " not a valid WAV file.\n" << oendl; + odebug << " not a valid WAV file." << oendl; return -1; } lseek(fd, 4, SEEK_CUR); if (read(fd, string, 4) < 4) { - odebug << "Could not read from sound file.\n" << oendl; + odebug << "Could not read from sound file." << oendl; return -1; } if (strncmp(string, "WAVE", 4)) { - odebug << "not a valid WAV file.\n" << oendl; + odebug << "not a valid WAV file." << oendl; return -1; } found = 0; while (!found) { if (read(fd, string, 4) < 4) { - odebug << "Could not read from sound file.\n" << oendl; + odebug << "Could not read from sound file." << oendl; return -1; } if (strncmp(string, "fmt ", 4)) { if (read(fd, &longdata, 4) < 4) { - odebug << "Could not read from sound file.\n" << oendl; + odebug << "Could not read from sound file." << oendl; return -1; } lseek(fd, longdata, SEEK_CUR); } else { lseek(fd, 4, SEEK_CUR); if (read(fd, &fmt, 2) < 2) { - odebug << "Could not read format chunk.\n" << oendl; + odebug << "Could not read format chunk." << oendl; return -1; } if (fmt != WAVE_FORMAT_PCM && fmt != WAVE_FORMAT_DVI_ADPCM) { - odebug << "Wave file contains unknown format. Unable to continue.\n" << oendl; + odebug << "Wave file contains unknown format. Unable to continue." << oendl; return -1; } wavFormat = fmt; // compressionFormat=fmt; odebug << "compressionFormat is " << fmt << "" << oendl; if (read(fd, &ch, 2) < 2) { - odebug << "Could not read format chunk.\n" << oendl; + odebug << "Could not read format chunk." << oendl; return -1; } else { wavChannels = ch; odebug << "File has " << ch << " channels" << oendl; } if (read(fd, &samplerrate, 4) < 4) { - odebug << "Could not read from format chunk.\n" << oendl; + odebug << "Could not read from format chunk." << oendl; return -1; } else { wavSampleRate = samplerrate; // sampleRate = samplerrate; odebug << "File has samplerate of " << (int) samplerrate << "" << oendl; } lseek(fd, 6, SEEK_CUR); if (read(fd, &bitrate, 2) < 2) { - odebug << "Could not read format chunk.\n" << oendl; + odebug << "Could not read format chunk." << oendl; return -1; } else { wavResolution=bitrate; // resolution = bitrate; odebug << "File has bitrate of " << bitrate << "" << oendl; } found++; } } found = 0; while (!found) { if (read(fd, string, 4) < 4) { - odebug << "Could not read from sound file.\n" << oendl; + odebug << "Could not read from sound file." << oendl; return -1; } if (strncmp(string, "data", 4)) { if (read(fd, &longdata, 4)<4) { - odebug << "Could not read from sound file.\n" << oendl; + odebug << "Could not read from sound file." << oendl; return -1; } lseek(fd, longdata, SEEK_CUR); } else { if (read(fd, &longdata, 4) < 4) { - odebug << "Could not read from sound file.\n" << oendl; + odebug << "Could not read from sound file." << oendl; return -1; } else { wavNumberSamples = longdata; - odebug << "file hase length of " << (int)longdata << "\n" + odebug << "file hase length of " << (int)longdata << "" << "lasting " << (int)(( longdata / wavSampleRate) / wavChannels) / ( wavChannels*( wavResolution/8)) << " seconds" << oendl; // 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; } |