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romuloceccon/avconv_examples.sh

Last active November 12, 2016 16:39
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avconv command lines to reduce video size
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avconv_examples.sh
# https://trac.ffmpeg.org/wiki/Encode/H.264
# https://trac.ffmpeg.org/wiki/Encode/AAC
# -map 0 -c copy: copy all remaining streams
# -pix_fmt yuv420p: be compatible with most players
# high quality video, high quality audio
avconv -i input.mov -map 0 -c copy -c:v libx264 -preset veryslow -pix_fmt yuv420p -crf 17 -c:a libfdk_aac -vbr 4 output.mov
# high quality *compatible* full-hd video, high quality audio
avconv -i input.mov -map 0 -c copy -c:v libx264 -preset veryslow -pix_fmt yuv420p -refs 4 -crf 17 -c:a libfdk_aac -vbr 4 output.mov
# medium-high quality video, high quality audio
avconv -i input.mov -map 0 -c copy -c:v libx264 -preset veryslow -pix_fmt yuv420p -crf 22 -c:a libfdk_aac -vbr 4 output.mov
# medium quality video, medium-high quality audio
avconv -i input.mov -map 0 -c copy -c:v libx264 -preset veryslow -pix_fmt yuv420p -crf 27 -c:a libfdk_aac -vbr 3 output.mov
# high quality video (resize to hd)
avconv -i input.mov -map 0 -c copy -c:v libx264 -preset veryslow -pix_fmt yuv420p -s 1280x720 -crf 17 output.mov
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