Linux command
avifdec 命令
文本
复制后可按需替换文件名、目录或参数。
常用示例
Decode
avifdec [input.avif] [output.png]
Example
avifdec -q [85] [input.avif] [output.jpg]
Show
avifdec -i [input.avif]
Example
avifdec -d 16 [input.avif] [output.png]
Example
avifdec -j [4] [input.avif] [output.png]
说明
avifdec decodes AVIF (AV1 Image File Format) images to standard formats like PNG, JPEG, or Y4M. AVIF is a modern image format offering superior compression and quality compared to JPEG. The tool is part of libavif and enables viewing and converting AVIF images to more widely supported formats.
参数
- -c _codec_
- AV1 codec to use (aom, dav1d, libgav1). Default: auto-selected from available codecs
- -d _depth_
- Output bit depth, 8 or 16 (PNG only; JPEG is always 8bpc)
- -q _quality_
- Output JPEG quality, 0-100 (default: 90)
- -j _jobs_
- Number of worker threads, or 'all' for all cores (default: all)
- -i, --info
- Display image information instead of saving to disk
- --png-compress _level_
- PNG compression level, 0-9 (0=none, 9=max)
- --chroma-upsampling _mode_
- Chroma upsampling for 420/422: automatic, fastest, best, nearest, bilinear (default: automatic)
- --ignore-icc
- Ignore embedded ICC color profile
- --index _n_
- Decode specific frame index, or 'all' for every frame (default: 0)
- --no-strict
- Disable strict validation checks
- -r
- Output raw RGB values instead of premultiplying by alpha
FAQ
What is the avifdec command used for?
avifdec decodes AVIF (AV1 Image File Format) images to standard formats like PNG, JPEG, or Y4M. AVIF is a modern image format offering superior compression and quality compared to JPEG. The tool is part of libavif and enables viewing and converting AVIF images to more widely supported formats.
How do I run a basic avifdec example?
Run `avifdec [input.avif] [output.png]` in a terminal, then adjust file names, paths, flags, or remote targets for your system.
What does -c _codec_ do in avifdec?
AV1 codec to use (aom, dav1d, libgav1). Default: auto-selected from available codecs