165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn/* 265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Copyright (C) 2011 The Android Open Source Project 365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Licensed under the Apache License, Version 2.0 (the "License"); 565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * you may not use this file except in compliance with the License. 665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * You may obtain a copy of the License at 765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * http://www.apache.org/licenses/LICENSE-2.0 965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 1065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Unless required by applicable law or agreed to in writing, software 1165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * distributed under the License is distributed on an "AS IS" BASIS, 1265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * See the License for the specific language governing permissions and 1465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * limitations under the License. 1565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 1665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn#include <android/log.h> 1865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn#include <stdlib.h> 1935af2c3534aba6ca7b713bc04a4aa192551575c4Elliott Hughes#include <string.h> 2065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn#define LOGI(...) __android_log_print(ANDROID_LOG_INFO, "MCA", __VA_ARGS__) 2265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn#define LOGW(...) __android_log_print(ANDROID_LOG_WARN, "MCA", __VA_ARGS__) 2365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR, "MCA", __VA_ARGS__) 2465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renntypedef struct { 2665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn float brightness; 2765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} BrightnessParameters; 2865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renntypedef union { 3065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn int value; 3165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn char rgba[4]; 3265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} Pixel; 3365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennvoid brightness_init(void** user_data) { 3565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn (*user_data) = malloc(sizeof(BrightnessParameters)); 3665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 3765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennvoid brightness_teardown(void* user_data) { 3965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn free(user_data); 4065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 4165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennvoid brightness_setvalue(const char* key, const char* value, void* user_data) { 4365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (strcmp(key, "brightness") == 0) 4465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn ((BrightnessParameters*)user_data)->brightness = atof(value); 4565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn else 4665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn LOGE("Unknown parameter: %s!", key); 4765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 4865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennint brightness_process(const char** inputs, 5065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn const int* input_sizes, 5165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn int input_count, 5265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn char* output, 5365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn int output_size, 5465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn void* user_data) { 5565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Make sure we have exactly one input 5665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (input_count != 1) { 5765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn LOGE("Brightness: Incorrect input count! Expected 1 but got %d!", input_count); 5865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return 0; 5965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 6065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 6165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Make sure sizes match up 6265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (input_sizes[0] != output_size) { 6365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn LOGE("Brightness: Input-output sizes do not match up. %d vs. %d!", input_sizes[0], output_size); 6465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return 0; 6565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 6665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 6765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Get the input and output pointers 6865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn const int* input_ptr = (int*)inputs[0]; 6965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn int* output_ptr = (int*)output; 7065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn const int* end_ptr = input_ptr + (output_size / 4); 7165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (!input_ptr || !output_ptr) { 7265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn LOGE("Brightness: No input or output pointer found!"); 7365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return 0; 7465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 7565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Get the parameters 7765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn BrightnessParameters* params = (BrightnessParameters*)user_data; 7865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn const float brightness = params->brightness; 7965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Run the brightness adjustment 8165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn const int factor = (int)(brightness * 255.0f); 8265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Pixel pixel; 8365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn while (input_ptr < end_ptr) { 8465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn pixel.value = *(input_ptr++); 8565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn const short r = (pixel.rgba[0] * factor) / 255; 8765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn const short g = (pixel.rgba[1] * factor) / 255; 8865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn const short b = (pixel.rgba[2] * factor) / 255; 8965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 9065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn *(output_ptr++) = (r > 255 ? 255 : r) 9165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn | ((g > 255 ? 255 : g) << 8) 9265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn | ((b > 255 ? 255 : b) << 16) 9365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn | (pixel.rgba[3] << 24); 9465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 9565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 9665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return 1; 9765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 9865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 99