[Libav-user] the difference between mjpeg in ffmpeg and libjpeg

qw applemax82 at 163.com
Thu Dec 3 05:51:42 CET 2015


JPEG has adopted many standards. There are several jpeg codec in ffmpeg, such as mjpeg, mjpegb, ljpeg, jpegls. libjpeg is another open source of jpeg codec. what's difference between mjpeg in ffmpeg and libjpeg? Does libjpeg support all JPEG standards/algorithms? In libjpeg, jpeg encoder accepts quality level as input parameter, while mjpeg uses bit rate as input parameter in ffmpeg. Does mjpeg have quality level as input parameter instead of bit rate?



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