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Use byte buffer for audio to minimize buffer copy's

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Iwan Timmer
2014-01-07 20:43:14 +01:00
parent 815e56d7d8
commit 85ffdc2426
5 changed files with 43 additions and 85 deletions
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jni/nv_opus_dec/nv_opus_dec_jni.c
+6 -6
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@@ -25,8 +25,8 @@ Java_com_limelight_nvstream_av_audio_OpusDecoder_getChannelCount(JNIEnv *env, jo
// 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();
Java_com_limelight_nvstream_av_audio_OpusDecoder_getMaxOutputBytes(JNIEnv *env, jobject this) {
return nv_opus_get_max_out_bytes();
}
// The Opus stream is 48 KHz
@@ -43,13 +43,13 @@ 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
jbyteArray outpcmdata) // Output parameter
{
jint ret;
jbyte* jni_input_data;
jshort* jni_pcm_data;
jbyte* jni_pcm_data;
jni_pcm_data = (*env)->GetShortArrayElements(env, outpcmdata, 0);
jni_pcm_data = (*env)->GetByteArrayElements(env, outpcmdata, 0);
if (indata != NULL) {
jni_input_data = (*env)->GetByteArrayElements(env, indata, 0);
@@ -62,7 +62,7 @@ Java_com_limelight_nvstream_av_audio_OpusDecoder_decode(
ret = nv_opus_decode(NULL, 0, jni_pcm_data);
}
(*env)->ReleaseShortArrayElements(env, outpcmdata, jni_pcm_data, 0);
(*env)->ReleaseByteArrayElements(env, outpcmdata, jni_pcm_data, 0);
return ret;
}