public byte[] decodeFrameToBuffer(byte[] rawFrame, int[] widthHeight, int[] result)
{
var rawFramePtr = JNIEnv.NewArray(rawFrame);
try
{
result[0] = Java_com_google_libvpx_LibVpxDec_vpxCodecDecDecode(JNIEnv.Handle, IntPtr.Zero, vpxCodecIface, rawFramePtr, rawFrame.Length);
if (result[0] == 5)
{
return(null);
}
if (result[0] != 0)
{
throw new LibVpxException(errorDetailString());
}
var widthHeightPtr = JNIEnv.NewArray(widthHeight);
try
{
byte[] decoded = (byte[])JNIEnv.GetArray(Java_com_google_libvpx_LibVpxDec_vpxCodecDecGetFrame(JNIEnv.Handle, IntPtr.Zero, vpxCodecIface, widthHeightPtr), JniHandleOwnership.TransferLocalRef, typeof(byte));
widthHeight[0] = JNIEnv.GetArrayItem <int>(widthHeightPtr, 0);
widthHeight[1] = JNIEnv.GetArrayItem <int>(widthHeightPtr, 1);
return(decoded);
}
finally
{
JNIEnv.DeleteLocalRef(widthHeightPtr);
}
}
finally
{
JNIEnv.DeleteLocalRef(rawFramePtr);
}
}
public void SetArrayItem_JavaLangString()
{
using (var stringArray = new Java.Lang.Object(JNIEnv.NewArray(new[] { "a", "b" }), JniHandleOwnership.TransferLocalRef)) {
using (var v = new Java.Lang.String("d"))
JNIEnv.SetArrayItem(stringArray.Handle, 1, v);
Assert.AreEqual("d", JNIEnv.GetArrayItem <string> (stringArray.Handle, 1));
}
}
public void GetArrayItem()
{
using (var byteArray = new Java.Lang.Object(JNIEnv.NewArray(new byte[] { 1, 2, 3 }), JniHandleOwnership.TransferLocalRef)) {
Assert.AreEqual(2, JNIEnv.GetArrayItem <byte> (byteArray.Handle, 1));
JNIEnv.SetArrayItem(byteArray.Handle, 1, (byte)42);
Assert.AreEqual(42, JNIEnv.GetArrayItem <byte> (byteArray.Handle, 1));
}
}
public void CopyArray_JavaLangObjectArrayToJavaLangStringArray()
{
using (var stringArray = new Java.Lang.Object(JNIEnv.NewArray(new[] { "a", "b" }), JniHandleOwnership.TransferLocalRef)) {
Java.Lang.Object[] values = (Java.Lang.Object[])JNIEnv.GetArray(stringArray.Handle, JniHandleOwnership.DoNotTransfer, typeof(Java.Lang.Object));
values [0] = new Java.Lang.String("c");
JNIEnv.CopyArray(values, stringArray.Handle);
Assert.AreEqual("c", JNIEnv.GetArrayItem <string> (stringArray.Handle, 0));
Assert.AreEqual("c", JNIEnv.GetArrayItem <Java.Lang.String> (stringArray.Handle, 0));
}
}
public void GetArrayItem_Int32ArrayArray()
{
IntPtr array = JNIEnv.NewObjectArray(1, Java.Lang.Class.Object);
Assert.AreEqual("[Ljava/lang/Object;", JNIEnv.GetClassNameFromInstance(array));
int[] seq = new int[] { 1, 2, 3 };
JNIEnv.SetArrayItem(array, 0, seq);
int[] oArray = JNIEnv.GetArrayItem <int[]> (array, 0);
AssertArrays("GetArrayItem_Int32ArrayArray", seq, oArray);
JNIEnv.DeleteLocalRef(array);
}
public void CopyObjectArray()
{
IntPtr p = JNIEnv.NewObjectArray(new byte[] { 1, 2, 3 });
byte[] dest = new byte [3];
JNIEnv.CopyObjectArray(p, dest);
AssertArrays("CopyObjectArray: java->C#", dest, (byte)1, (byte)2, (byte)3);
dest = new byte[] { 42 };
JNIEnv.CopyObjectArray(dest, p);
byte written;
using (var b = JNIEnv.GetArrayItem <Java.Lang.Byte>(p, 0))
written = (byte)b.ByteValue();
Assert.AreEqual(42, written);
JNIEnv.DeleteLocalRef(p);
}
