// check for decoder configuration to send
IoBuffer config = audioCodec.getDecoderConfiguration();
if (config != null) {
log.debug("Decoder configuration is available for {}", audioCodec.getName());
//log.debug("Dump:\n{}", Hex.encodeHex(config.array()));
AudioData conf = new AudioData(config.asReadOnlyBuffer());
log.trace("Configuration ts: {}", conf.getTimestamp());
RTMPMessage confMsg = RTMPMessage.build(conf);
try {
log.debug("Pushing decoder configuration");
msgOut.pushMessage(confMsg);