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Diffstat (limited to 'src/main/jni/libwebp/webp/format_constants.h')
| -rw-r--r-- | src/main/jni/libwebp/webp/format_constants.h | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/src/main/jni/libwebp/webp/format_constants.h b/src/main/jni/libwebp/webp/format_constants.h deleted file mode 100644 index 4c04b50c6..000000000 --- a/src/main/jni/libwebp/webp/format_constants.h +++ /dev/null @@ -1,88 +0,0 @@ -// Copyright 2012 Google Inc. All Rights Reserved. -// -// Use of this source code is governed by a BSD-style license -// that can be found in the COPYING file in the root of the source -// tree. An additional intellectual property rights grant can be found -// in the file PATENTS. All contributing project authors may -// be found in the AUTHORS file in the root of the source tree. -// ----------------------------------------------------------------------------- -// -// Internal header for constants related to WebP file format. -// -// Author: Urvang (urvang@google.com) - -#ifndef WEBP_WEBP_FORMAT_CONSTANTS_H_ -#define WEBP_WEBP_FORMAT_CONSTANTS_H_ - -// Create fourcc of the chunk from the chunk tag characters. -#define MKFOURCC(a, b, c, d) ((uint32_t)(a) | (b) << 8 | (c) << 16 | (d) << 24) - -// VP8 related constants. -#define VP8_SIGNATURE 0x9d012a // Signature in VP8 data. -#define VP8_MAX_PARTITION0_SIZE (1 << 19) // max size of mode partition -#define VP8_MAX_PARTITION_SIZE (1 << 24) // max size for token partition -#define VP8_FRAME_HEADER_SIZE 10 // Size of the frame header within VP8 data. - -// VP8L related constants. -#define VP8L_SIGNATURE_SIZE 1 // VP8L signature size. -#define VP8L_MAGIC_BYTE 0x2f // VP8L signature byte. -#define VP8L_IMAGE_SIZE_BITS 14 // Number of bits used to store - // width and height. -#define VP8L_VERSION_BITS 3 // 3 bits reserved for version. -#define VP8L_VERSION 0 // version 0 -#define VP8L_FRAME_HEADER_SIZE 5 // Size of the VP8L frame header. - -#define MAX_PALETTE_SIZE 256 -#define MAX_CACHE_BITS 11 -#define HUFFMAN_CODES_PER_META_CODE 5 -#define ARGB_BLACK 0xff000000 - -#define DEFAULT_CODE_LENGTH 8 -#define MAX_ALLOWED_CODE_LENGTH 15 - -#define NUM_LITERAL_CODES 256 -#define NUM_LENGTH_CODES 24 -#define NUM_DISTANCE_CODES 40 -#define CODE_LENGTH_CODES 19 - -#define MIN_HUFFMAN_BITS 2 // min number of Huffman bits -#define MAX_HUFFMAN_BITS 9 // max number of Huffman bits - -#define TRANSFORM_PRESENT 1 // The bit to be written when next data - // to be read is a transform. -#define NUM_TRANSFORMS 4 // Maximum number of allowed transform - // in a bitstream. -typedef enum { - PREDICTOR_TRANSFORM = 0, - CROSS_COLOR_TRANSFORM = 1, - SUBTRACT_GREEN = 2, - COLOR_INDEXING_TRANSFORM = 3 -} VP8LImageTransformType; - -// Alpha related constants. -#define ALPHA_HEADER_LEN 1 -#define ALPHA_NO_COMPRESSION 0 -#define ALPHA_LOSSLESS_COMPRESSION 1 -#define ALPHA_PREPROCESSED_LEVELS 1 - -// Mux related constants. -#define TAG_SIZE 4 // Size of a chunk tag (e.g. "VP8L"). -#define CHUNK_SIZE_BYTES 4 // Size needed to store chunk's size. -#define CHUNK_HEADER_SIZE 8 // Size of a chunk header. -#define RIFF_HEADER_SIZE 12 // Size of the RIFF header ("RIFFnnnnWEBP"). -#define ANMF_CHUNK_SIZE 16 // Size of an ANMF chunk. -#define ANIM_CHUNK_SIZE 6 // Size of an ANIM chunk. -#define FRGM_CHUNK_SIZE 6 // Size of a FRGM chunk. -#define VP8X_CHUNK_SIZE 10 // Size of a VP8X chunk. - -#define MAX_CANVAS_SIZE (1 << 24) // 24-bit max for VP8X width/height. -#define MAX_IMAGE_AREA (1ULL << 32) // 32-bit max for width x height. -#define MAX_LOOP_COUNT (1 << 16) // maximum value for loop-count -#define MAX_DURATION (1 << 24) // maximum duration -#define MAX_POSITION_OFFSET (1 << 24) // maximum frame/fragment x/y offset - -// Maximum chunk payload is such that adding the header and padding won't -// overflow a uint32_t. -#define MAX_CHUNK_PAYLOAD (~0U - CHUNK_HEADER_SIZE - 1) - -#endif /* WEBP_WEBP_FORMAT_CONSTANTS_H_ */ |