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Diffstat (limited to 'drivers/webp/enc/config.c')
-rw-r--r--drivers/webp/enc/config.c173
1 files changed, 0 insertions, 173 deletions
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;
-}
-
-//------------------------------------------------------------------------------
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