From ee3cf211c6fd4d1e30617467cdbbe945798a68b3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?R=C3=A9mi=20Verschelde?= Date: Tue, 11 Oct 2016 23:35:58 +0200 Subject: webp: Make it a module and unbundle libwebp thirdparty files Note that there are two Godot-specific changes made to libwebp for the javascript/HTML5 platform. They are documented in the README.md. --- drivers/webp/enc/config.c | 173 ---------------------------------------------- 1 file changed, 173 deletions(-) delete mode 100644 drivers/webp/enc/config.c (limited to 'drivers/webp/enc/config.c') diff --git a/drivers/webp/enc/config.c b/drivers/webp/enc/config.c deleted file mode 100644 index 8fd2276cb5..0000000000 --- a/drivers/webp/enc/config.c +++ /dev/null @@ -1,173 +0,0 @@ -// Copyright 2011 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. -// ----------------------------------------------------------------------------- -// -// Coding tools configuration -// -// Author: Skal (pascal.massimino@gmail.com) - -#include "webp/encode.h" - -//------------------------------------------------------------------------------ -// WebPConfig -//------------------------------------------------------------------------------ - -int WebPConfigInitInternal(WebPConfig* config, - WebPPreset preset, float quality, int version) { - if (WEBP_ABI_IS_INCOMPATIBLE(version, WEBP_ENCODER_ABI_VERSION)) { - return 0; // caller/system version mismatch! - } - if (config == NULL) return 0; - - config->quality = quality; - config->target_size = 0; - config->target_PSNR = 0.; - config->method = 4; - config->sns_strength = 50; - config->filter_strength = 60; // mid-filtering - config->filter_sharpness = 0; - config->filter_type = 1; // default: strong (so U/V is filtered too) - config->partitions = 0; - config->segments = 4; - config->pass = 1; - config->show_compressed = 0; - config->preprocessing = 0; - config->autofilter = 0; - config->partition_limit = 0; - config->alpha_compression = 1; - config->alpha_filtering = 1; - config->alpha_quality = 100; - config->lossless = 0; - config->exact = 0; - config->image_hint = WEBP_HINT_DEFAULT; - config->emulate_jpeg_size = 0; - config->thread_level = 0; - config->low_memory = 0; - config->near_lossless = 100; -#ifdef WEBP_EXPERIMENTAL_FEATURES - config->delta_palettization = 0; -#endif // WEBP_EXPERIMENTAL_FEATURES - - // TODO(skal): tune. - switch (preset) { - case WEBP_PRESET_PICTURE: - config->sns_strength = 80; - config->filter_sharpness = 4; - config->filter_strength = 35; - config->preprocessing &= ~2; // no dithering - break; - case WEBP_PRESET_PHOTO: - config->sns_strength = 80; - config->filter_sharpness = 3; - config->filter_strength = 30; - config->preprocessing |= 2; - break; - case WEBP_PRESET_DRAWING: - config->sns_strength = 25; - config->filter_sharpness = 6; - config->filter_strength = 10; - break; - case WEBP_PRESET_ICON: - config->sns_strength = 0; - config->filter_strength = 0; // disable filtering to retain sharpness - config->preprocessing &= ~2; // no dithering - break; - case WEBP_PRESET_TEXT: - config->sns_strength = 0; - config->filter_strength = 0; // disable filtering to retain sharpness - config->preprocessing &= ~2; // no dithering - config->segments = 2; - break; - case WEBP_PRESET_DEFAULT: - default: - break; - } - return WebPValidateConfig(config); -} - -int WebPValidateConfig(const WebPConfig* config) { - if (config == NULL) return 0; - if (config->quality < 0 || config->quality > 100) - return 0; - if (config->target_size < 0) - return 0; - if (config->target_PSNR < 0) - return 0; - if (config->method < 0 || config->method > 6) - return 0; - if (config->segments < 1 || config->segments > 4) - return 0; - if (config->sns_strength < 0 || config->sns_strength > 100) - return 0; - if (config->filter_strength < 0 || config->filter_strength > 100) - return 0; - if (config->filter_sharpness < 0 || config->filter_sharpness > 7) - return 0; - if (config->filter_type < 0 || config->filter_type > 1) - return 0; - if (config->autofilter < 0 || config->autofilter > 1) - return 0; - if (config->pass < 1 || config->pass > 10) - return 0; - if (config->show_compressed < 0 || config->show_compressed > 1) - return 0; - if (config->preprocessing < 0 || config->preprocessing > 7) - return 0; - if (config->partitions < 0 || config->partitions > 3) - return 0; - if (config->partition_limit < 0 || config->partition_limit > 100) - return 0; - if (config->alpha_compression < 0) - return 0; - if (config->alpha_filtering < 0) - return 0; - if (config->alpha_quality < 0 || config->alpha_quality > 100) - return 0; - if (config->lossless < 0 || config->lossless > 1) - return 0; - if (config->near_lossless < 0 || config->near_lossless > 100) - return 0; - if (config->image_hint >= WEBP_HINT_LAST) - return 0; - if (config->emulate_jpeg_size < 0 || config->emulate_jpeg_size > 1) - return 0; - if (config->thread_level < 0 || config->thread_level > 1) - return 0; - if (config->low_memory < 0 || config->low_memory > 1) - return 0; - if (config->exact < 0 || config->exact > 1) - return 0; -#ifdef WEBP_EXPERIMENTAL_FEATURES - if (config->delta_palettization < 0 || config->delta_palettization > 1) - return 0; -#endif // WEBP_EXPERIMENTAL_FEATURES - return 1; -} - -//------------------------------------------------------------------------------ - -#define MAX_LEVEL 9 - -// Mapping between -z level and -m / -q parameter settings. -static const struct { - uint8_t method_; - uint8_t quality_; -} kLosslessPresets[MAX_LEVEL + 1] = { - { 0, 0 }, { 1, 20 }, { 2, 25 }, { 3, 30 }, { 3, 50 }, - { 4, 50 }, { 4, 75 }, { 4, 90 }, { 5, 90 }, { 6, 100 } -}; - -int WebPConfigLosslessPreset(WebPConfig* config, int level) { - if (config == NULL || level < 0 || level > MAX_LEVEL) return 0; - config->lossless = 1; - config->method = kLosslessPresets[level].method_; - config->quality = kLosslessPresets[level].quality_; - return 1; -} - -//------------------------------------------------------------------------------ -- cgit v1.2.3