@Test
public void flvNellymoserTest() throws Exception {
logger.info("flvNellymoserTest");
Muxer muxer =
Muxer.make(this.getClass().getCanonicalName() + ".flv_nellymoser.flv", null, null);
Encoder encoder = Encoder.make(Codec.findEncodingCodec(Codec.ID.CODEC_ID_NELLYMOSER));
Type findType = null;
for (Type type : encoder.getCodec().getSupportedAudioFormats()) {
if (findType == null) {
findType = type;
}
if (type == Type.SAMPLE_FMT_S16) {
findType = type;
break;
}
}
logger.info(findType.toString());
int sampleRate = 44100;
encoder.setSampleRate(sampleRate);
Rational encoderTimeBase = Rational.make(1, sampleRate);
encoder.setTimeBase(encoderTimeBase);
encoder.setChannels(1);
encoder.setChannelLayout(Layout.CH_LAYOUT_MONO);
encoder.setSampleFormat(findType);
encoder.setFlag(Flag.FLAG_GLOBAL_HEADER, true);
encoder.open(null, null);
muxer.addNewStream(encoder);
processConvert(muxer, encoder);
logger.info("done");
}
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();
}