JavaCPP - a bridge between Java and native C++.
JavaCPP provides efficient access to native C++ inside Java, not unlike the way some C/C++ compilers interact with assembly language.
Questions tagged [javacpp]
115 questions
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1 answer
Audio Video out of sync when i append videos - Android JavaCpp
I am creating videos through Android MediaRecorder..
This is the code where i am appending the videos,
Audio is always longer then video....
Video stays stuck at the end for 3 - 5 seconds while audio keeps on playing.
private void doAppend(String…
Salmaan
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1 answer
AVPacket to Android MediaCodec
I'm using JavaCPP av_read_packet to read AVPackets from H264 (MPEG4 AVC) source, then I'm trying to pass only the video packets to Android's MediaCodec to decode them and to render into a Surface (for display).
I've read it's necesary to use…
WotG
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- 2
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1 answer
Call function with reference
I'm trying to call the following c++ function:
uint32_t FunctionName(uint32_t *arg1,uint32_t *arg2,uint32_t *arg3)
but I cannot find a way to map this in Javacpp.
How do I pass the pointer reference to the function, and how do I retrieve the…
hammer
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votes
1 answer
Segfault after 15 seconds while reading a RTSP stream with ffmpeg in Android
I'm trying to read a RTSP stream using ffmpeg by way of javacv. I'm able to view the fist 15 seconds or so before I get a segfault on the call to sws_scale. Does this mean I've ran out of memory? If so, any idea what I'm doing wrong?
…
ABentSpoon
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1 answer
Rebuild javacv.jar for Android
I hate to sound like a n00b but I have been trying to figure this out for several hours now and could really use some help. I have successfully been able to use FFmpeg and OpenCV in my Android app by using javacv.jar and javacpp.jar provided here.…
Mark
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1 answer
javacv cvExtractSURF
I’m trying to implement the example for using JavaCv Surf.
I downloaded the example code, the .jar files and installed everything that the official web page asks for (http://code.google.com/p/javacv/).
But there is one function that seems to be…
Du_
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JavaCPP problems compiling the example
I just wanted to test JAVACPP and tried the first example from the webpage within my eclipse:
http://code.google.com/p/javacpp/
(LegacyClass and LegacyLibrary)
As soon as I type:
javac -cp libs\javacpp.jar:. src\LegacyLibrary.java
into the…
Vladimir S.
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votes
1 answer
Opencv javacpp-presets findContours gives error: Unrecognized or unsupported array type in cvGetMat
I am trying to extract text from image(binarize) using opencv javacpp-presets (version 3.0.0-1.0) and using the code-snippit below. The snippit is a translate from this python version of the code.
The input image is from file and is loaded through…
s.ijpma
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-2
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3 answers
About java.lang.UnsatisfiedLinkError：org.bytedeco.javacpp.avutil
I try to work it out a couple days. But it didn't work.
Below is full error logs:
02-19 09:41:31.239 17753-17753/com.superdata.cxim E/art: dlopen("/system/lib64/libdl.so", RTLD_LAZY) failed: dlopen failed: cannot locate symbol "__cxa_finalize"…
Noo Li
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-4
votes
1 answer
How to run this project as a jar file?
Can you make a jar file out of this project that runs with no initializererror?
Project here.
https://github.com/piersy/BasicTesseractExample
I've tried using jarsplice to splice the project jar with the tesseract & javacpp jars and I get this…
