1 files changed, 0 insertions, 77 deletions
diff --git a/src/main/kotlin/space/autistic/radio/opus/OpusDecoder.kt b/src/main/kotlin/space/autistic/radio/opus/OpusDecoder.kt
deleted file mode 100644
index 56fce2b..0000000
--- a/src/main/kotlin/space/autistic/radio/opus/OpusDecoder.kt
+++ /dev/null
@@ -1,77 +0,0 @@
-package space.autistic.radio.opus
-
-import com.dylibso.chicory.runtime.ByteBufferMemory
-import space.autistic.radio.reflection.getBuffer
-import java.nio.ByteOrder
-
-class OpusDecoder(sampleRate: Int, private val channels: Int) {
-    private val instance = OpusFactory()
-
-    init {
-        instance.export("_initialize").apply()
-    }
-
-    private val errorPtr = instance.export("malloc").apply(4)[0]
-
-    init {
-        if (errorPtr == 0L) {
-            throw IllegalStateException()
-        }
-        instance.memory().writeI32(errorPtr.toInt(), 0)
-    }
-
-    private val decoder =
-        instance.export("opus_decoder_create").apply(sampleRate.toLong(), channels.toLong(), errorPtr)[0]
-
-    init {
-        val error = instance.memory().readI32(errorPtr.toInt())
-        if (error < 0) {
-            throw IllegalStateException(
-                instance.memory().readCString(instance.export("opus_strerror").apply(error)[0].toInt())
-            )
-        }
-    }
-
-    private val opusDecodeFloat = instance.export("opus_decode_float")
-
-    private val outBuf = instance.export("malloc").apply((4 * MAX_FRAME_SIZE * channels).toLong())[0]
-
-    init {
-        if (outBuf == 0L) {
-            throw IllegalStateException()
-        }
-    }
-
-    private val cbits = instance.export("malloc").apply(MAX_PACKET_SIZE.toLong())[0]
-
-    init {
-        if (cbits == 0L) {
-            throw IllegalStateException()
-        }
-    }
-
-    private val memory = instance.memory() as ByteBufferMemory
-
-    fun decode(packet: ByteArray): FloatArray {
-        if (packet.size > MAX_PACKET_SIZE) {
-            throw IllegalArgumentException("packet too big")
-        }
-        memory.getBuffer().put(cbits.toInt(), packet)
-        val decoded =
-            opusDecodeFloat.apply(decoder, cbits, packet.size.toLong(), outBuf, MAX_FRAME_SIZE.toLong(), 0L)[0]
-        if (decoded < 0L) {
-            throw IllegalStateException(
-                instance.memory().readCString(instance.export("opus_strerror").apply(decoded)[0].toInt())
-            )
-        }
-        val out = FloatArray(decoded.toInt())
-        memory.getBuffer().slice(outBuf.toInt(), outBuf.toInt() + 4 * channels * decoded.toInt())
-            .order(ByteOrder.LITTLE_ENDIAN).asFloatBuffer().get(out)
-        return out
-    }
-
-    companion object {
-        const val MAX_FRAME_SIZE = 6 * 960
-        const val MAX_PACKET_SIZE = 3 * 1276
-    }
-}
\ No newline at end of file