pnemonic78

        /** Convert I420 (YYYYYYYY:UU:VV) to NV21 (YYYYYYYYY:VUVU) */
        public byte[] I420toNV21(final byte[] input, byte[] output, final int width, final int height) {
            if (output == null) {
                output = new byte[input.length];
            }
            final int size = width * height;
            final int quarter = size / 4;
            final int v0 = size + quarter;

            System.arraycopy(input, 0, output, 0, size); // Y is same

pnemonic78

        /** Convert YV12 (YYYYYYYY:UU:VV) to NV21 (YYYYYYYYY:VUVU) */
        public byte[] YV12toNV21(final byte[] input, byte[] output, final int width, final int height) {
            if (output == null) {
                output = new byte[input.length];
            }
            final int size = width * height;
            final int quarter = size / 4;
            final int u0 = size + quarter;

            System.arraycopy(input, 0, output, 0, size); // Y is same

pnemonic78

Keybase proof

I hereby claim:

• I am pnemonic78 on github.
• I am pnemonic (https://keybase.io/pnemonic) on keybase.
• I have a public key ASAjeu2za3lmo8DaxNxD_mMgSAIRkmjF82qBwrKIEtV1Zgo

To claim this, I am signing this object:

pnemonic78

import kotlin.enums.EnumEntries
import kotlinx.serialization.ExperimentalSerializationApi
import kotlinx.serialization.KSerializer
import kotlinx.serialization.SerialName
import kotlinx.serialization.SerializationException
import kotlinx.serialization.descriptors.PrimitiveKind
import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
import kotlinx.serialization.descriptors.SerialDescriptor
import kotlinx.serialization.encoding.Decoder
import kotlinx.serialization.encoding.Encoder