Examples with AudioFormat javax.sound.sampled.AudioFormat used on opensource projects

Example 81 with AudioFormat

use of javax.sound.sampled.AudioFormat in project jdk8u_jdk by JetBrains.

the class PCMtoPCMCodec method getAudioInputStream.

/**
     */
public AudioInputStream getAudioInputStream(AudioFormat.Encoding targetEncoding, AudioInputStream sourceStream) {
    if (isConversionSupported(targetEncoding, sourceStream.getFormat())) {
        AudioFormat sourceFormat = sourceStream.getFormat();
        AudioFormat targetFormat = new AudioFormat(targetEncoding, sourceFormat.getSampleRate(), sourceFormat.getSampleSizeInBits(), sourceFormat.getChannels(), sourceFormat.getFrameSize(), sourceFormat.getFrameRate(), sourceFormat.isBigEndian());
        return getAudioInputStream(targetFormat, sourceStream);
    } else {
        throw new IllegalArgumentException("Unsupported conversion: " + sourceStream.getFormat().toString() + " to " + targetEncoding.toString());
    }
}

Example 82 with AudioFormat

use of javax.sound.sampled.AudioFormat in project jdk8u_jdk by JetBrains.

the class WaveFloatFileReader method internal_getAudioFileFormat.

private AudioFileFormat internal_getAudioFileFormat(InputStream stream) throws UnsupportedAudioFileException, IOException {
    RIFFReader riffiterator = new RIFFReader(stream);
    if (!riffiterator.getFormat().equals("RIFF"))
        throw new UnsupportedAudioFileException();
    if (!riffiterator.getType().equals("WAVE"))
        throw new UnsupportedAudioFileException();
    boolean fmt_found = false;
    boolean data_found = false;
    int channels = 1;
    long samplerate = 1;
    int framesize = 1;
    int bits = 1;
    while (riffiterator.hasNextChunk()) {
        RIFFReader chunk = riffiterator.nextChunk();
        if (chunk.getFormat().equals("fmt ")) {
            fmt_found = true;
            int format = chunk.readUnsignedShort();
            if (// WAVE_FORMAT_IEEE_FLOAT only
            format != 3)
                throw new UnsupportedAudioFileException();
            channels = chunk.readUnsignedShort();
            samplerate = chunk.readUnsignedInt();
            /* framerate = */
            chunk.readUnsignedInt();
            framesize = chunk.readUnsignedShort();
            bits = chunk.readUnsignedShort();
        }
        if (chunk.getFormat().equals("data")) {
            data_found = true;
            break;
        }
    }
    if (!fmt_found)
        throw new UnsupportedAudioFileException();
    if (!data_found)
        throw new UnsupportedAudioFileException();
    AudioFormat audioformat = new AudioFormat(Encoding.PCM_FLOAT, samplerate, bits, channels, framesize, samplerate, false);
    AudioFileFormat fileformat = new AudioFileFormat(AudioFileFormat.Type.WAVE, audioformat, AudioSystem.NOT_SPECIFIED);
    return fileformat;
}

Example 83 with AudioFormat

use of javax.sound.sampled.AudioFormat in project jdk8u_jdk by JetBrains.

the class WaveFloatFileWriter method write.

public void write(AudioInputStream stream, RIFFWriter writer) throws IOException {
    RIFFWriter fmt_chunk = writer.writeChunk("fmt ");
    AudioFormat format = stream.getFormat();
    // WAVE_FORMAT_IEEE_FLOAT
    fmt_chunk.writeUnsignedShort(3);
    fmt_chunk.writeUnsignedShort(format.getChannels());
    fmt_chunk.writeUnsignedInt((int) format.getSampleRate());
    fmt_chunk.writeUnsignedInt(((int) format.getFrameRate()) * format.getFrameSize());
    fmt_chunk.writeUnsignedShort(format.getFrameSize());
    fmt_chunk.writeUnsignedShort(format.getSampleSizeInBits());
    fmt_chunk.close();
    RIFFWriter data_chunk = writer.writeChunk("data");
    byte[] buff = new byte[1024];
    int len;
    while ((len = stream.read(buff, 0, buff.length)) != -1) data_chunk.write(buff, 0, len);
    data_chunk.close();
}

Example 84 with AudioFormat

use of javax.sound.sampled.AudioFormat in project Minim by ddf.

the class JSMinim method getAudioRecordingStream.

public AudioRecordingStream getAudioRecordingStream(String filename, int bufferSize, boolean inMemory) {
    // TODO: deal with the case of wanting to have the file fully in memory
    AudioRecordingStream mstream = null;
    AudioInputStream ais = getAudioInputStream(filename);
    if (ais != null) {
        if (inMemory && ais.markSupported()) {
            ais.mark((int) ais.getFrameLength() * ais.getFormat().getFrameSize());
        }
        debug("Reading from " + ais.getClass().toString());
        debug("File format is: " + ais.getFormat().toString());
        AudioFormat format = ais.getFormat();
        // they need to be converted to PCM
        if (format instanceof MpegAudioFormat) {
            AudioFormat baseFormat = format;
            format = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED, baseFormat.getSampleRate(), 16, baseFormat.getChannels(), baseFormat.getChannels() * 2, baseFormat.getSampleRate(), false);
            // converts the stream to PCM audio from mp3 audio
            AudioInputStream decAis = getAudioInputStream(format, ais);
            // source data line is for sending the file audio out to the
            // speakers
            SourceDataLine line = getSourceDataLine(format, bufferSize);
            if (decAis != null && line != null) {
                Map<String, Object> props = getID3Tags(filename);
                long lengthInMillis = -1;
                if (props.containsKey("duration")) {
                    Long dur = (Long) props.get("duration");
                    if (dur.longValue() > 0) {
                        lengthInMillis = dur.longValue() / 1000;
                    }
                }
                MP3MetaData meta = new MP3MetaData(filename, lengthInMillis, props);
                mstream = new JSMPEGAudioRecordingStream(this, meta, ais, decAis, line, bufferSize);
            }
        } else // format instanceof MpegAudioFormat
        {
            // source data line is for sending the file audio out to the
            // speakers
            SourceDataLine line = getSourceDataLine(format, bufferSize);
            if (line != null) {
                long length = AudioUtils.frames2Millis(ais.getFrameLength(), format);
                BasicMetaData meta = new BasicMetaData(filename, length, ais.getFrameLength());
                mstream = new JSPCMAudioRecordingStream(this, meta, ais, line, bufferSize);
            }
        }
    // else
    }
    // ais != null
    return mstream;
}

Example 85 with AudioFormat

use of javax.sound.sampled.AudioFormat in project Minim by ddf.

the class JSMinim method getAudioRecording.

/** @deprecated */
public AudioRecording getAudioRecording(String filename) {
    AudioMetaData meta = null;
    AudioInputStream ais = getAudioInputStream(filename);
    byte[] samples;
    if (ais != null) {
        AudioFormat format = ais.getFormat();
        if (format instanceof MpegAudioFormat) {
            AudioFormat baseFormat = format;
            format = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED, baseFormat.getSampleRate(), 16, baseFormat.getChannels(), baseFormat.getChannels() * 2, baseFormat.getSampleRate(), false);
            // converts the stream to PCM audio from mp3 audio
            ais = getAudioInputStream(format, ais);
            //	 get a map of properties so we can find out how long it is
            Map<String, Object> props = getID3Tags(filename);
            // there is a property called mp3.length.bytes, but that is
            // the length in bytes of the mp3 file, which will of course
            // be much shorter than the decoded version. so we use the
            // duration of the file to figure out how many bytes the
            // decoded file will be.
            long dur = ((Long) props.get("duration")).longValue();
            int toRead = (int) AudioUtils.millis2Bytes(dur / 1000, format);
            samples = loadByteAudio(ais, toRead);
            meta = new MP3MetaData(filename, dur / 1000, props);
        } else {
            samples = loadByteAudio(ais, (int) ais.getFrameLength() * format.getFrameSize());
            long length = AudioUtils.bytes2Millis(samples.length, format);
            meta = new BasicMetaData(filename, length, samples.length);
        }
        SourceDataLine line = getSourceDataLine(format, 2048);
        if (line != null) {
            return new JSAudioRecording(this, samples, line, meta);
        }
    }
    return null;
}