// @Test
public void playTest() throws Exception {
logger.info("start playTest");
SourceDataLine audioLine = null;
MediaAudio samples = beepSamples();
logger.info("sample is ready");
AudioFormat format =
new AudioFormat(
(float) samples.getSampleRate(),
(int) samples.getBytesPerSample() * 8,
samples.getChannels(),
true,
false);
DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
audioLine = (SourceDataLine) AudioSystem.getLine(info);
audioLine.open(format);
logger.info("beepstart");
audioLine.start();
Buffer buffer = samples.getData(0);
audioLine.write(
buffer.getByteArray(0, samples.getDataPlaneSize(0)), 0, samples.getDataPlaneSize(0));
audioLine.drain();
logger.info("beepend");
audioLine.close();
audioLine = null;
}
private void processConvert(Muxer muxer, Encoder encoder) throws Exception {
muxer.open(null, null);
MediaPacket packet = MediaPacket.make();
MediaAudio samples = beepSamples();
logger.info(samples.toString());
if (samples.getSampleRate() != encoder.getSampleRate()
|| samples.getFormat() != encoder.getSampleFormat()
|| samples.getChannelLayout() != encoder.getChannelLayout()) {
final MediaAudioResampler resampler =
MediaAudioResampler.make(
encoder.getChannelLayout(),
encoder.getSampleRate(),
encoder.getSampleFormat(),
samples.getChannelLayout(),
samples.getSampleRate(),
samples.getFormat());
resampler.open();
MediaAudio spl =
MediaAudio.make(
samples.getNumSamples(),
encoder.getSampleRate(),
encoder.getChannels(),
encoder.getChannelLayout(),
encoder.getSampleFormat());
resampler.resample(spl, samples);
logger.info(spl.toString());
logger.info("{}", spl.getNumSamples());
Assert.assertEquals(spl.getNumSamples(), samples.getNumSamples());
samples = spl;
}
logger.info(samples.toString());
// we only have one set of samples.
encoder.encodeAudio(packet, samples);
logger.info("{}", packet);
if (packet.isComplete()) muxer.write(packet, false);
// Flush the encoders
do {
encoder.encodeAudio(packet, null);
logger.info("{}", packet);
if (packet.isComplete()) {
muxer.write(packet, false);
}
} while (packet.isComplete());
muxer.close();
}
