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FFMPEG too slow audio and video merging

Fresh7 days ago
Mar 15, 20266678 views
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Problem

I am using java process builder to merge audio and video files on OS X (10.6.4) but it is working too slow, for a audio and video of around 15sec it is taking around 1 hour to merge which is tooooo... much. could some tell me what could be the issue? The merge command: FFmpeg version:

Error Output

ffmpeg -i audioFile.au -i videoFile.mp4 -sameq -ar 4100 -y mergedFile.mp4

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1 Fix

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Fix for: FFMPEG too slow audio and video merging

Low Risk

Try this out: When supplied , ffmpeg just copies the video stream instead of reencoding. If you do not need an audio reencode as well, you could use:

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