2/21/2023 0 Comments Ffmpeg mp4 faststartTo specify both width and height: ffmpeg -i "input-video" -filter:v scale=640:320 -c copy -y "output-video" avi files in a directory and converts them to H.264 in an MP4 container. Convert several videos in a directory to another format ffmpeg -i "input-video" -c:v qtrle -pix_fmt argb "output.mov"Ĥ. ffmpeg -i "input-video" -c:v rawvideo -pix_fmt bgra "output.avi"Īnother example if you want to use QTRLE (Quicktime Animation). If the source has an alpha channel - use a pixel format such as bgra to preserve it. ffmpeg -i "input-video" -c:v rawvideo -pix_fmt bgr24 "output.avi" Not nearly as useful as the H.264 version, but there are times when I need a video in an lossless format. the end - better for streaming) ffmpeg -i "input-video" -c:v libx264 -crf 18 -pix_fmt yuv420p -movflags +faststart "output.mov" (faststart moves the MOOV atom to the beginning of the file versus. Pretty much the same as #1, but use an MOV container and mark it as ‘fast start’. ffmpeg -i "input-video" -c:v libx264 -crf 18 -pix_fmt yuv420p "output.mp4" When creating a H.264 video file, there are a ton of options available - but this is a quick and dirty MP4 version. Seems like everytime I need to convert some video…I end up googling for the same thing over and over again. My personal scratch pad for ffmpeg tasks that I use.
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