wuggy/Dactyloidae
wuggy/Dactyloidae
1
0
Fork 0
mirror of https://repo.dactyloidae.xyz/Dactyloidae/UXP.git synced 2026-09-28 03:17:31 +09:00
Code Issues Projects Releases Packages Wiki Activity

Sync libwebp sources with https://chromium.googlesource.com/webm/libwebp/+/v1.0.0

Browse source
This commit is contained in:
JustOff 2018-06-29 20:57:44 +03:00 • committed by Roy Tam
commit 57e9b57974
86 changed files with 3796 additions and 2250 deletions
Download patch file Download diff file Expand all files Collapse all files

49
media/libwebp/enc/vp8li_enc.h
View file

@ -11,11 +11,20 @@
//
// Author: Vikas Arora (vikaas.arora@gmail.com)
#ifndef WEBP_ENC_VP8LI_H_
#define WEBP_ENC_VP8LI_H_
#ifndef WEBP_ENC_VP8LI_ENC_H_
#define WEBP_ENC_VP8LI_ENC_H_
#include "./backward_references_enc.h"
#include "./histogram_enc.h"
#ifdef HAVE_CONFIG_H
#include "../webp/config.h"
#endif
// Either WEBP_NEAR_LOSSLESS is defined as 0 in config.h when compiling to
// disable near-lossless, or it is enabled by default.
#ifndef WEBP_NEAR_LOSSLESS
#define WEBP_NEAR_LOSSLESS 1
#endif
#include "../enc/backward_references_enc.h"
#include "../enc/histogram_enc.h"
#include "../utils/bit_writer_utils.h"
#include "../webp/encode.h"
#include "../webp/format_constants.h"
@ -27,16 +36,24 @@ extern "C" {
// maximum value of transform_bits_ in VP8LEncoder.
#define MAX_TRANSFORM_BITS 6
typedef enum {
kEncoderNone = 0,
kEncoderARGB,
kEncoderNearLossless,
kEncoderPalette
} VP8LEncoderARGBContent;
typedef struct {
const WebPConfig* config_; // user configuration and parameters
const WebPPicture* pic_; // input picture.
uint32_t* argb_; // Transformed argb image data.
uint32_t* argb_scratch_; // Scratch memory for argb rows
// (used for prediction).
uint32_t* transform_data_; // Scratch memory for transform data.
uint32_t* transform_mem_; // Currently allocated memory.
size_t transform_mem_size_; // Currently allocated memory size.
uint32_t* argb_; // Transformed argb image data.
VP8LEncoderARGBContent argb_content_; // Content type of the argb buffer.
uint32_t* argb_scratch_; // Scratch memory for argb rows
// (used for prediction).
uint32_t* transform_data_; // Scratch memory for transform data.
uint32_t* transform_mem_; // Currently allocated memory.
size_t transform_mem_size_; // Currently allocated memory size.
int current_width_; // Corresponds to packed image width.
@ -54,8 +71,7 @@ typedef struct {
uint32_t palette_[MAX_PALETTE_SIZE];
// Some 'scratch' (potentially large) objects.
struct VP8LBackwardRefs refs_[2]; // Backward Refs array corresponding to
// LZ77 & RLE coding.
struct VP8LBackwardRefs refs_[3]; // Backward Refs array for temporaries.
VP8LHashChain hash_chain_; // HashChain data for constructing
// backward references.
} VP8LEncoder;
@ -75,6 +91,13 @@ WebPEncodingError VP8LEncodeStream(const WebPConfig* const config,
const WebPPicture* const picture,
VP8LBitWriter* const bw, int use_cache);
#if (WEBP_NEAR_LOSSLESS == 1)
// in near_lossless.c
// Near lossless preprocessing in RGB color-space.
int VP8ApplyNearLossless(const WebPPicture* const picture, int quality,
uint32_t* const argb_dst);
#endif
//------------------------------------------------------------------------------
// Image transforms in predictor.c.
@ -92,4 +115,4 @@ void VP8LColorSpaceTransform(int width, int height, int bits, int quality,
} // extern "C"
#endif
#endif /* WEBP_ENC_VP8LI_H_ */
#endif /* WEBP_ENC_VP8LI_ENC_H_ */