#Ffmpeg scale percent 480p
#Ffmpeg scale percent 1080p

To disable scaling, set -scale to '' (empty string), or specify -dont-scale on the CLI.

#Ffmpeg scale percent 1080p

The default is 1080^> which means to shrink to 1080p if video size is larger than 1080p. See Math::Image::CalcResized or calc-image-resized-size for more details on scale specification. files-json= sĬan also be specified as the 1st command-line argument and onwards. ffmpeg-path= s -file= also be specified as the 1st command-line argument and onwards.Ĭan be specified multiple times. Main options -audio-sample-rate= s, -sample-rate Or (if downsizing is done): ORIGINAL_4 OPTIONS This utility also calculates a valid size for ffmpeg, since using -vf scale=-1:720 sometimes results in failure due to odd number.Īudio streams are copied, not re-encoded. If it is, then the -vf scale option is added. When a downsizing is requested (using the -downsize-to option), this utility first checks each input video if it is indeed larger than the requested final size. crf 28 (0-51, subjectively sane is 18-28, 18 ~ visually lossless, 28 ~ visually acceptable) preset veryslow (to get the best compression rate, but with the slowest encoding time) The default setting is roughly similar to how Google Photos encodes videos (max 1080p). >10-20Mbit) and not yet well compressed, so they make a good input for this utility. Smartphone-produced videos are often high bitrate (e.g. This utility is usually used to reduce the file size (and optionally video width/height) of videos so they are smaller, while minimizing quality loss. It also sports a -dry-run option to let you see ffmpeg options to be used without actually running ffmpeg. It selects the appropriate ffmpeg options for you, allows you to specify multiple files, and picks appropriate output filenames. It is a wrapper to simplify invocation of ffmpeg. This utility runs ffmpeg to re-encode your video files using the libx264 codec. Reencode-video-with-libx264 | -view-result]. This document describes version 0.012 of reencode-video-with-libx264 (from Perl distribution App-FfmpegUtils), released on. Reencode-video-with-libx264 - Re-encode video (using ffmpeg and libx264) VERSION

#Ffmpeg scale percent 480p

Shrink to 480p if video is larger than 480p, but make the reencoding 'visually lossless'.The default setting is to shrink to 1080p if video is larger than 1080p.

Data::Sah::Filter::perl::Path::strip_slashes_when_on_unix.Data::Sah::Filter::perl::Path::expand_tilde_when_on_unix.Data::Sah::Compiler::perl::TH::duration.Data::Sah::Coerce::perl::To_float::From_str::percent.

Data::Sah::Coerce::perl::To_duration::From_str::human.

Data::Sah::Coerce::perl::To_duration::From_str::hms.

Data::Sah::Coerce::perl::To_duration::From_obj::datetime_duration.

Data::Sah::Coerce::perl::To_duration::From_float::seconds.