Asset-Compression-Manager/acm-config-default.json

{
  "concurrency": 0,
  "profiles": {
    "default": {
      "jpeg": {
        "version": "1.4.0",
        "processors": ["cjpeg"],
        "extensions": [
          "jpg",
          "jpeg"
        ],
        "outputExtension": "jpg",
        "forcePreserveSmallerInput": true,
        "command": "cjpeg -optimize -quality 90 -progressive -outfile {output_file} {input_file}"
      },
      "png": {
        "version": "1.4.0",
        "processors": ["optipng"],
        "extensions": [
          "png"
        ],
        "outputExtension": "png",
        "forcePreserveSmallerInput": true,
        "command": "optipng -o2 -strip all -out {output_file} {input_file}"
      },
      "video": {
        "version": "1.4.0",
        "processors": ["ffmpeg"],
        "extensions": [
          "mp4",
          "webm"
        ],
        "outputExtension": "webm",
        "command": "ffmpeg -hide_banner -loglevel panic -i {input_file} -c:v libvpx-vp9 -b:v 0 -crf 29 -c:a libopus {output_file}"
      },
      "audio": {
        "version": "1.4.0",
        "processors": ["ffmpeg", "opusenc"],
        "extensions": [
          "wav",
          "mp3"
        ],
        "outputExtension": "ogg",
        "command": "ffmpeg -hide_banner -loglevel panic -i {input_file} -f wav -| opusenc --bitrate 64 --vbr --downmix-stereo --discard-comments --discard-pictures - {output_file}"
      }
    },
    "placebo": {
      "jpeg": {
        "version": "1.4.0",
        "processors": ["cp"],
        "extensions": [
          "jpg",
          "jpeg"
        ],
        "outputExtension": "jpg",
        "preserveInputExtension": true,
        "preserveSmallerInput": false,
        "command": "cp {input_file} {output_file}",
      },
      "png": {
        "version": "1.4.0",
        "processors": ["cp"],
        "extensions": [
          "png"
        ],
        "outputExtension": "png",
        "preserveInputExtension": true,
        "preserveSmallerInput": false,
        "command": "cp {input_file} {output_file}"
      },
      "video": {
        "version": "1.4.0",
        "processors": ["cp"],
        "extensions": [
          "mp4",
          "webm"
        ],
        "outputExtension": "mp4",
        "preserveInputExtension": true,
        "preserveSmallerInput": false,
        "command": "cp {input_file} {output_file}"
      },
      "audio": {
        "version": "1.4.0",
        "processors": ["cp"],
        "extensions": [
          "wav",
          "mp3"
        ],
        "outputExtension": "ogg",
        "preserveInputExtension": true,
        "preserveSmallerInput": false,
        "command": "cp {input_file} {output_file}"
      }
    },
    "webp": {
      "jpeg": {
        "version": "1.4.0",
        "processors": ["cwebp"],
        "extensions": [
          "jpg",
          "jpeg"
        ],
        "outputExtension": "webp",
        "command": "cwebp -jpeg_like -q 90 -o {output_file} {input_file}"
      },
      "png": {
        "version": "1.4.0",
        "processors": ["cwebp"],
        "extensions": [
          "png"
        ],
        "outputExtension": "webp",
        "command": "cwebp -lossless -o {output_file} {input_file}"
      }
    },
    "aggressive": {
      "jpeg": {
        "version": "1.4.0",
        "processors": ["ffmpeg", "cjpeg"],
        "extensions": [
          "jpg",
          "jpeg"
        ],
        "outputExtension": "jpg",
        "forcePreserveSmallerInput": true,
        "command": "export FILE={output_file} && export TEMP_FILE=${FILE}_tmp.jpg && ffmpeg -i {input_file} -vf scale=-1:720 ${TEMP_FILE} && cjpeg -optimize -quality 75 -progressive -outfile {output_file} ${TEMP_FILE} && rm ${TEMP_FILE}"
      },
      "png": {
        "version": "1.4.0",
        "processors": ["optipng"],
        "extensions": [
          "png"
        ],
        "outputExtension": "png",
        "forcePreserveSmallerInput": true,
        "command": "optipng -o2 -strip all -out {output_file} {input_file}"
      },
      "video": {
        "version": "1.4.0",
        "processors": ["ffmpeg"],
        "extensions": [
          "mp4",
          "webm"
        ],
        "outputExtension": "webm",
        "command": "ffmpeg -hide_banner -loglevel panic -i {input_file} -vf scale=-1:720 -c:v libvpx-vp9 -b:v 0 -crf 38 -c:a libopus {output_file}"
      },
      "audio": {
        "version": "1.4.0",
        "processors": ["ffmpeg", "opusenc"],
        "extensions": [
          "wav",
          "mp3"
        ],
        "outputExtension": "ogg",
        "command": "ffmpeg -hide_banner -loglevel panic -i {input_file} -f wav -| opusenc --bitrate 64 --vbr --downmix-stereo --discard-comments --discard-pictures - {output_file}"
      }
    },
    "aggressive-webp": {
      "jpeg": {
        "version": "1.4.0",
        "processors": ["cwebp"],
        "extensions": [
          "jpg",
          "jpeg"
        ],
        "outputExtension": "webp",
        "command": "export FILE={output_file} && export TEMP_FILE=${FILE}_tmp.jpg && ffmpeg -i {input_file} -vf scale=-1:720 ${TEMP_FILE} && cwebp -jpeg_like -q 75 -o {output_file} ${TEMP_FILE} && rm ${TEMP_FILE}"
      },
      "png": {
        "version": "1.4.0",
        "processors": ["cwebp"],
        "extensions": [
          "png"
        ],
        "outputExtension": "webp",
        "command": "cwebp -o {output_file} ${input_file}"
      },
      "video": {
        "version": "1.4.0",
        "processors": ["ffmpeg"],
        "extensions": [
          "mp4",
          "webm"
        ],
        "outputExtension": "webm",
        "command": "ffmpeg -hide_banner -loglevel panic -i {input_file} -vf scale=-1:720 -c:v libvpx-vp9 -b:v 0 -crf 38 -c:a libopus {output_file}"
      },
      "audio": {
        "version": "1.4.0",
        "processors": ["ffmpeg", "opusenc"],
        "extensions": [
          "wav",
          "mp3"
        ],
        "outputExtension": "ogg",
        "command": "ffmpeg -hide_banner -loglevel panic -i {input_file} -f wav -| opusenc --bitrate 64 --vbr --downmix-stereo --discard-comments --discard-pictures - {output_file}"
      }
    }
  }
}