move everything out of subdirectory

jni/nv_opus_dec/nv_opus_dec_jni.c

@@ -0,0 +1,68 @@
+#include "nv_opus_dec.h"
+
+#include <stdlib.h>
+#include <jni.h>
+
+// This function must be called before
+// any other decoding functions
+JNIEXPORT jint JNICALL
+Java_com_limelight_nvstream_av_audio_OpusDecoder_init(JNIEnv *env, jobject this) {
+	return nv_opus_init();
+}
+
+// This function must be called after
+// decoding is finished
+JNIEXPORT void JNICALL
+Java_com_limelight_nvstream_av_audio_OpusDecoder_destroy(JNIEnv *env, jobject this) {
+	nv_opus_destroy();
+}
+
+// The Opus stream is stereo
+JNIEXPORT jint JNICALL
+Java_com_limelight_nvstream_av_audio_OpusDecoder_getChannelCount(JNIEnv *env, jobject this) {
+	return nv_opus_get_channel_count();
+}
+
+// This number assumes 2 channels at 48 KHz
+JNIEXPORT jint JNICALL
+Java_com_limelight_nvstream_av_audio_OpusDecoder_getMaxOutputShorts(JNIEnv *env, jobject this) {
+	return nv_opus_get_max_out_shorts();
+}
+
+// The Opus stream is 48 KHz
+JNIEXPORT jint JNICALL
+Java_com_limelight_nvstream_av_audio_OpusDecoder_getSampleRate(JNIEnv *env, jobject this) {
+	return nv_opus_get_sample_rate();
+}
+
+// outpcmdata must be 5760*2 shorts in length
+// packets must be decoded in order
+// a packet loss must call this function with NULL indata and 0 inlen
+// returns the number of decoded samples
+JNIEXPORT jint JNICALL
+Java_com_limelight_nvstream_av_audio_OpusDecoder_decode(
+	JNIEnv *env, jobject this, // JNI parameters
+	jbyteArray indata, jint inoff, jint inlen, // Input parameters
+	jshortArray outpcmdata) // Output parameter
+{
+	jint ret;
+	jbyte* jni_input_data;
+	jshort* jni_pcm_data;
+
+	jni_pcm_data = (*env)->GetShortArrayElements(env, outpcmdata, 0);
+	if (indata != NULL) {
+		jni_input_data = (*env)->GetByteArrayElements(env, indata, 0);
+
+		ret = nv_opus_decode(&jni_input_data[inoff], inlen, jni_pcm_data);
+
+		// The input data isn't changed so it can be safely aborted
+		(*env)->ReleaseByteArrayElements(env, indata, jni_input_data, JNI_ABORT);
+	}
+	else {
+		ret = nv_opus_decode(NULL, 0, jni_pcm_data);
+	}
+
+	(*env)->ReleaseShortArrayElements(env, outpcmdata, jni_pcm_data, 0);
+
+	return ret;
+}