| Methods Summary |
|---|
| public void | decodeHeader(byte[] b)
int packetType = b[FIELD_PACKET_TYPE_POS];
logger.fine("packetType" + packetType);
String vorbis = Utils.getString(b, VorbisHeader.FIELD_CAPTURE_PATTERN_POS, VorbisHeader.FIELD_CAPTURE_PATTERN_LENGTH, "ISO-8859-1");
if (packetType == VorbisPacketType.IDENTIFICATION_HEADER.getType() && vorbis.equals(CAPTURE_PATTERN))
{
this.vorbisVersion = b[7] + (b[8] << 8) + (b[9] << 16) + (b[10] << 24);
logger.fine("vorbisVersion" + vorbisVersion);
this.audioChannels = u(b[FIELD_AUDIO_CHANNELS_POS]);
logger.fine("audioChannels" + audioChannels);
this.audioSampleRate = u(b[12]) + (u(b[13]) << 8) + (u(b[14]) << 16) + (u(b[15]) << 24);
logger.fine("audioSampleRate" + audioSampleRate);
logger.fine("audioSampleRate" + b[12] + " " + b[13] + " " + b[14]);
//TODO is this right spec says signed
this.bitrateMinimal = u(b[16]) + (u(b[17]) << 8) + (u(b[18]) << 16) + (u(b[19]) << 24);
this.bitrateNominal = u(b[20]) + (u(b[21]) << 8) + (u(b[22]) << 16) + (u(b[23]) << 24);
this.bitrateMaximal = u(b[24]) + (u(b[25]) << 8) + (u(b[26]) << 16) + (u(b[27]) << 24);
//byte blockSize0 = (byte) ( b[28] & 240 );
//byte blockSize1 = (byte) ( b[28] & 15 );
int framingFlag = b[FIELD_FRAMING_FLAG_POS];
logger.fine("framingFlag" + framingFlag);
if (framingFlag != 0)
{
isValid = true;
}
}
|
| public int | getChannelNumber()
return audioChannels;
|
| public java.lang.String | getEncodingType()
return VorbisVersion.values()[vorbisVersion].toString();
|
| public int | getMaxBitrate()
return bitrateMaximal;
|
| public int | getMinBitrate()
return bitrateMinimal;
|
| public int | getNominalBitrate()
return bitrateNominal;
|
| public int | getSamplingRate()
return audioSampleRate;
|
| public boolean | isValid()
return isValid;
|
| private int | u(int i)
return i & 0xFF;
|
