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Commit Graph

4351 Commits (f907e67ef44242c050a3656c1941e0477d4f28bf)

Author SHA1 Message Date
Brian Popow 2e8109515c Fix an issue reading the transformations and fixed the testimages accordingly
6 years ago
Brian Popow 137107a420 Reading transformation data
6 years ago
Brian Popow 31a8b9affa SubtractGreen transform works now
6 years ago
Brian Popow 6a696d8ca9 Add tests for lossless images with one transform
6 years ago
Brian Popow 4ec83f8036 Fix more decoding bugs, lossless_vec_2_0.webp.webp now decodes without error
6 years ago
Brian Popow 3da0b5cdc9 Fix issue with creating huffman tables
6 years ago
Brian Popow d61ce09b02 Fix some decoding bugs
6 years ago
Brian Popow 00d993a1f3 Refactor lossless decoding to match better original implementation
6 years ago
Brian Popow 99e70dc61d Using color cache, first version of decoding a lossless image
6 years ago
Brian Popow d45fe26a69 Add additional helper methods for decoding the image, start with decoding the image (still WIP)
6 years ago
Brian Popow 5fab53d760 Setup color cache
6 years ago
Brian Popow 41eaff0cc2 Continue with ReadHuffmanCodes
6 years ago
Brian Popow b37ca54346 Use kTableSize array to determine tableSize
6 years ago
Brian Popow 05d119346d Overhaul bitmap reader to be similar to libwebp bitreader
6 years ago
Brian Popow 887cf62edf Continue with BuildHuffmanTable
6 years ago
Brian Popow a8a39e6d10 Move huffman code into separate class, introduce HTreeGroup
6 years ago
Brian Popow e4572a8195 Add ReadHuffmanCodeLengths
6 years ago
Brian Popow 89d8d50a26 Start with parsing huffman codes
6 years ago
Brian Popow 7ec964e3b5 Fix Bitreader issue: offset was not initialized correctly
6 years ago
Peter Amrehn d7689c1727 Decode verison of lossy bitstream to determine Reconstruction- and Loopfilters
6 years ago
Peter Amrehn 5067bf472e introduce WebPLossyDecoder
6 years ago
Brian Popow 8a0f53e971 Add additional image features into separate class
6 years ago
Brian Popow 85c73017d9 Move decoding of lossless into separate class
6 years ago
Brian Popow 4cd0ce4e74 Add all found chunk types to the metadata
6 years ago
Brian Popow 1de13422ed Throwing not supported exception for animated images
6 years ago
Brian Popow 857002ae81 Add to the metadata, if the image is lossy or lossless and also if a animation is present
6 years ago
Brian Popow d88ba617e1 Add parsing optional chunks at the end
6 years ago
Brian Popow 506967a86e Initialize metadata
6 years ago
Brian Popow b86d4d0f73 Fix mistake with parsing VP8X header
6 years ago
Brian Popow c113c8ea8c Skipping over optional chunks with VP8X images (still does not seem to work)
6 years ago
Brian Popow 3c419fcfdc Refactor determining chunk types
6 years ago
Brian Popow bc80cf1c6b Use the width and height from the VP8X information, if present
6 years ago
Brian Popow ca93805da6 Parsing of image features of VP8X header
6 years ago
Brian Popow 9b19a76207 Add additional chunk header constants
6 years ago
Brian Popow d4efca8607 Parsing the transforms (still WIP)
6 years ago
Peter Amrehn 593d247cd3 height comes before width, switch order.
6 years ago
popow 01412d0981 Add bitreader for a VP8L stream. Determining image size for VP8L should work now.
6 years ago
Lajos Marton 80cf5d83ef WebP Identify test added, webp sample files copied from official samples repository
6 years ago
Brian Popow b198ddb453 Additional webp constants, first attempt parsing VP8L header
6 years ago
Brian Popow 0392d0ea87 Add reading of VP8X header
6 years ago
Peter Amrehn 4599713c31 fix typo
6 years ago
Brian Popow 52fd45bf07 Identify works at least for reading the image dimensions so far
6 years ago
Brian Popow 06980070a4 First attempt parsing minimal image info
6 years ago
Peter Amrehn c0f455fe2d introduce decoderCore classes (without implementation)
6 years ago
Brian Popow 4e7b722d79 Add empty implementation of IImageDecoder to test github colaboration
6 years ago
Peter Amrehn 415881dddf Initial Commit towards WebP
6 years ago
Zappy Zhao 6293bf6f28
Update the hex value for DarkSeaGreen color
6 years ago
Brian Popow e722cc7fc5 Fix issue when reading data spreading over multiple IDAT chunks. Fixes issue #1014.
6 years ago
Brian Popow 51c652939e Add additional information about the climpLimit
6 years ago
James Jackson-South ccaaf402e4 Fix up code and tests
6 years ago