I'm doing a small application in Adobe Air to compress using ffmpeg an image sequence not starting at zero.
I'm launching ffmpeg using Air native process. I'm using the following ffmpeg command :
ffmpeg -y -r 23.976 -vcodec mjpeg -pix_fmt yuvj444p -s 854x480 -f image2pipe -i - -vcodec libx264 -f h264 -strict -experimental output.mp4
I'm always getting the following message whatever stuff (filename, raw data, etc...) i'm piping through the stdin : Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)
Is there any arguments i'm missing ? What am I suppose to pipe, filename or binary ? Any information I should look in the ffmpeg output ?
For the developers that use FFmpeg in their software.
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