bytebuffer

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Can multiple threads see writes on a direct mapped ByteBuffer in Java?

I\'m working on something that uses ByteBuffers built from memory-mapped files (via FileChannel.map()) as well as in-memory direct ByteBuffers.I am trying to understand the concurrency and memory mode[详细]

2023-03-27 01:15 分类：问答
ByteBuffer getInt() question

We are using Java ByteBuffer for socket communication with a C++ server. We know Java is Big-endian and Socket communication is also Big-endian. So whenever the byte stream received and put into a Byt[详细]

2023-03-25 17:48 分类：问答
Dump one Double array and two Long arrays into ByteBuffer in Java

I want to dump one Double array and two Long arrays i开发者_运维技巧nto a bytebuffer. I could use a loop and do[详细]

2023-03-25 11:35 分类：问答
How can I determine the length of received bytes of UsbRequest.queue(..) method?

I have troubles with UsbRequest class in Android 3.1. This is my code开发者_运维百科: ByteBuffer buffer = ByteBuffer.allocate(4096);[详细]

2023-03-25 06:34 分类：问答
Javolution ByteBuffer question

I have the following implementation with Javolution: public class RunScan extends Struct { public final Sign开发者_如何学Pythoned32 numOfClusters = new Signed32();[详细]

2023-03-25 05:57 分类：问答
What is the best way to pass a jbyteArray from (objective-c) JNI to Java?

I\'m currently retrieving image data from an iSight camera and I\'d like to hand it over to Java for processing. I originally tried to put the data in a jbyteArray and return the jbyteArray. This work[详细]

2023-03-23 09:54 分类：问答
glReadPixels() fails to fill ByteBuffer

Well, I\'m trying to take a screenshot for a window in OpenGL using LWJGL. Here\'s the code: ByteBuffer pixels = ByteBuffer.allocateDirect(800*600*4);[详细]

2023-03-22 18:38 分类：问答
Loading raw VBO data via MappedByteBuffer into OpenGL (not working)

I\'ve attempted to load raw, uncompressed VBO data via the method presented in a talk Google did at GDC 2011. This method uses a MappedByteBuffer to quickly load the data in a subsequent call to glBuf[详细]

2023-03-20 22:36 分类：问答
Replacement for Java ByteBuffer in this case?

Working with the Android Profiler tool, I\'ve discovered that I\'m using lots of ByteBuffers in a performance critical area of my code. I\'ve worked on optimizing as much as possible of the largest pe[详细]

2023-03-18 04:26 分类：问答
How do you get successive slices out of a ByteBuffer?

I have a ByteBuffer that contains开发者_开发问答 a large file (100 MB): java.nio.ByteBuffer byteBuffer = ByteBuffer.wrap(multipartFile.getBytes());[详细]

2023-03-17 11:43 分类：问答