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How can I programmatically extract a preview image - like the first frame - from an FLV file in Java?

Updated:

Since my original request appears to be almost impossible, what's the next simplest solution? Invoke the swftools app? Make a JNI call to the ffmpeg lib?

Original:

This is related to "how to extract flash frames programmatically" but I am constrained to Java libraries only (and no JNI calls to C please). This also implies no calls to console apps like swftools. I'm looking for a pure Java (or at least JVM) solution.

Solution

  • Or if you want to do it directly from Java, you can use this code. It uses Xuggler, an open-source library for encoding and decoding video from java. Xuggler does use JNI behind the scenes to FFmpeg, but when using it that's totally invisible to you. Hop that helps.

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