Class OpusPackets

java.lang.Object

io.github.kosmx.emotes.common.opus.OpusPackets

public final class OpusPackets
extends Object

TOC byte helpers, ported from libopus opus.c.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	MAX_PACKET_DURATION_MS
static final int	SAMPLE_RATE

Method Summary

Modifier and Type	Method	Description
static int	frameCount(byte[] data, int offset, int length)	opus_packet_get_nb_frames, or -1 if malformed.
static int	sampleCount(byte[] data, int offset, int length, int sampleRate)	opus_packet_get_nb_samples, or -1 if malformed.
static int	samplesPerFrame(byte toc, int sampleRate)	opus_packet_get_samples_per_frame
static boolean	stereo(byte toc)

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

SAMPLE_RATE

public static final int SAMPLE_RATE

See Also:

• Constant Field Values

MAX_PACKET_DURATION_MS

public static final int MAX_PACKET_DURATION_MS

See Also:

• Constant Field Values

Method Details

samplesPerFrame

public static int samplesPerFrame(byte toc,
 int sampleRate)

opus_packet_get_samples_per_frame

stereo

public static boolean stereo(byte toc)

Returns:

whether the TOC byte says the packet carries two channels

frameCount

public static int frameCount(byte[] data,
 int offset,
 int length)

opus_packet_get_nb_frames, or -1 if malformed.

sampleCount

public static int sampleCount(byte[] data,
 int offset,
 int length,
 int sampleRate)

opus_packet_get_nb_samples, or -1 if malformed.