Libraries tagged by isobmff

Verifier for C2PA Content Credentials in pure PHP: JPEG, PNG, GIF, WebP, ISOBMFF (MP4, MOV, AVIF, HEIC), WAV, AVI, MP3 and FLAC, and plain text when turned on, with c2patool's verdict. Read and verify only; no signing, no keys, no network.

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Image containers, metadata editing, and codecs for the PRADO PHP framework: read-write JPEG, TIFF, PNG, WebP/RIFF, GIF87a/89a, AVI, ISO BMFF (HEIF/AVIF/MP4/QuickTime), and JPEG XL; EXIF through Exif 3.1 with makernotes, XMP (ISO 16684-1), IPTC (IIM), Photoshop 8BIM, JFIF/JFXX, JUMBF, PrintIM, and Exif WAVE audio; read-write ICC profiles with a pure-PHP matrix/TRC color transform; dual GD/ImageMagick raster conversion; and the LZW/GIF-LZW/PackBits/CCITT-fax/horizontal-predictor codecs.

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Image containers, metadata editing, and codecs for PHP: read-write JPEG, TIFF, PNG, WebP/RIFF, GIF87a/89a, AVI, ISO BMFF (HEIF/AVIF/MP4/QuickTime), and JPEG XL; EXIF through Exif 3.1 with makernotes, XMP (ISO 16684-1), IPTC (IIM), Photoshop 8BIM, JFIF/JFXX, JUMBF, PrintIM, and Exif WAVE audio; read-write ICC profiles with a pure-PHP matrix/TRC color transform; dual GD/ImageMagick raster conversion; and the LZW/GIF-LZW/PackBits/CCITT-fax/horizontal-predictor codecs.

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ISOBMFF library

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AVIF library

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