425 lines
16 KiB
C++
425 lines
16 KiB
C++
#include <jni.h>
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#include <android/bitmap.h>
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#include <cstring>
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#include <rlottie.h>
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#include <lz4.h>
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#include <unistd.h>
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#include <condition_variable>
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#include <atomic>
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#include <thread>
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#include <map>
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#include <sys/stat.h>
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#include <utime.h>
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#include "tgnet/FileLog.h"
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#include "tgnet/ConnectionsManager.h"
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#include "c_utils.h"
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extern "C" {
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using namespace rlottie;
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typedef struct LottieInfo {
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~LottieInfo() {
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if (decompressBuffer != nullptr) {
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delete[]decompressBuffer;
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decompressBuffer = nullptr;
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}
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}
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std::unique_ptr<Animation> animation;
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size_t frameCount = 0;
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int32_t fps = 30;
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bool precache = false;
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bool createCache = false;
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bool limitFps = false;
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std::string path;
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std::string cacheFile;
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uint8_t *decompressBuffer = nullptr;
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uint32_t decompressBufferSize = 0;
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volatile uint32_t maxFrameSize = 0;
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uint32_t imageSize = 0;
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uint32_t fileOffset = 0;
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bool nextFrameIsCacheFrame = false;
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FILE *precacheFile = nullptr;
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char *compressBuffer = nullptr;
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const char *buffer = nullptr;
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bool firstFrame = false;
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int bufferSize = 0;
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int compressBound = 0;
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int firstFrameSize = 0;
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volatile uint32_t framesAvailableInCache = 0;
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};
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JNIEXPORT jlong Java_org_telegram_ui_Components_RLottieDrawable_create(JNIEnv *env, jclass clazz, jstring src, jstring json, jint w, jint h, jintArray data, jboolean precache, jintArray colorReplacement, jboolean limitFps, jint fitzModifier) {
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auto info = new LottieInfo();
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std::map<int32_t, int32_t> *colors = nullptr;
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int color = 0;
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if (colorReplacement != nullptr) {
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jint *arr = env->GetIntArrayElements(colorReplacement, nullptr);
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if (arr != nullptr) {
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jsize len = env->GetArrayLength(colorReplacement);
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colors = new std::map<int32_t, int32_t>();
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for (int32_t a = 0; a < len / 2; a++) {
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(*colors)[arr[a * 2]] = arr[a * 2 + 1];
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if (color == 0) {
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color = arr[a * 2 + 1];
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}
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}
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env->ReleaseIntArrayElements(colorReplacement, arr, 0);
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}
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}
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FitzModifier modifier = FitzModifier::None;
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switch (fitzModifier) {
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case 12:
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modifier = FitzModifier::Type12;
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break;
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case 3:
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modifier = FitzModifier::Type3;
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break;
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case 4:
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modifier = FitzModifier::Type4;
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break;
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case 5:
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modifier = FitzModifier::Type5;
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break;
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case 6:
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modifier = FitzModifier::Type6;
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break;
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}
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char const *srcString = env->GetStringUTFChars(src, nullptr);
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info->path = srcString;
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if (json != nullptr) {
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char const *jsonString = env->GetStringUTFChars(json, nullptr);
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if (jsonString) {
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info->animation = rlottie::Animation::loadFromData(jsonString, info->path, colors, modifier);
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env->ReleaseStringUTFChars(json, jsonString);
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}
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} else {
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info->animation = rlottie::Animation::loadFromFile(info->path, colors, modifier);
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}
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if (srcString) {
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env->ReleaseStringUTFChars(src, srcString);
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}
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if (info->animation == nullptr) {
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delete info;
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return 0;
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}
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info->frameCount = info->animation->totalFrame();
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info->fps = (int) info->animation->frameRate();
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info->limitFps = limitFps;
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if (info->fps > 60 || info->frameCount > 600) {
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delete info;
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return 0;
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}
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info->precache = precache;
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if (info->precache) {
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info->cacheFile = info->path;
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std::string::size_type index = info->cacheFile.find_last_of('/');
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if (index != std::string::npos) {
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std::string dir = info->cacheFile.substr(0, index) + "/acache";
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mkdir(dir.c_str(), 0777);
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info->cacheFile.insert(index, "/acache");
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}
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info->cacheFile += std::to_string(w) + "_" + std::to_string(h);
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if (color != 0) {
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info->cacheFile += "_" + std::to_string(color);
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}
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if (limitFps) {
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info->cacheFile += ".s.cache";
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} else {
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info->cacheFile += ".cache";
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}
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FILE *precacheFile = fopen(info->cacheFile.c_str(), "r+");
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if (precacheFile == nullptr) {
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info->createCache = true;
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} else {
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uint8_t temp;
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size_t read = fread(&temp, sizeof(uint8_t), 1, precacheFile);
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info->createCache = read != 1 || temp == 0;
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if (!info->createCache) {
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uint32_t maxFrameSize;
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fread(&maxFrameSize, sizeof(uint32_t), 1, precacheFile);
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info->maxFrameSize = maxFrameSize;
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fread(&(info->imageSize), sizeof(uint32_t), 1, precacheFile);
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info->fileOffset = 9;
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utimensat(0, info->cacheFile.c_str(), nullptr, 0);
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}
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fclose(precacheFile);
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}
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}
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jint *dataArr = env->GetIntArrayElements(data, nullptr);
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if (dataArr != nullptr) {
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dataArr[0] = (jint) info->frameCount;
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dataArr[1] = (jint) info->animation->frameRate();
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dataArr[2] = info->createCache ? 1 : 0;
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env->ReleaseIntArrayElements(data, dataArr, 0);
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}
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return (jlong) (intptr_t) info;
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}
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JNIEXPORT jlong Java_org_telegram_ui_Components_RLottieDrawable_createWithJson(JNIEnv *env, jclass clazz, jstring json, jstring name, jintArray data, jintArray colorReplacement) {
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std::map<int32_t, int32_t> *colors = nullptr;
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if (colorReplacement != nullptr) {
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jint *arr = env->GetIntArrayElements(colorReplacement, nullptr);
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if (arr != nullptr) {
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jsize len = env->GetArrayLength(colorReplacement);
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colors = new std::map<int32_t, int32_t>();
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for (int32_t a = 0; a < len / 2; a++) {
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(*colors)[arr[a * 2]] = arr[a * 2 + 1];
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}
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env->ReleaseIntArrayElements(colorReplacement, arr, 0);
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}
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}
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auto info = new LottieInfo();
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char const *jsonString = env->GetStringUTFChars(json, nullptr);
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char const *nameString = env->GetStringUTFChars(name, nullptr);
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info->animation = rlottie::Animation::loadFromData(jsonString, nameString, colors);
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if (jsonString) {
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env->ReleaseStringUTFChars(json, jsonString);
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}
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if (nameString) {
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env->ReleaseStringUTFChars(name, nameString);
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}
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if (info->animation == nullptr) {
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delete info;
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return 0;
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}
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info->frameCount = info->animation->totalFrame();
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info->fps = (int) info->animation->frameRate();
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jint *dataArr = env->GetIntArrayElements(data, nullptr);
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if (dataArr != nullptr) {
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dataArr[0] = (int) info->frameCount;
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dataArr[1] = (int) info->animation->frameRate();
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dataArr[2] = 0;
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env->ReleaseIntArrayElements(data, dataArr, 0);
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}
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return (jlong) (intptr_t) info;
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}
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JNIEXPORT void Java_org_telegram_ui_Components_RLottieDrawable_destroy(JNIEnv *env, jclass clazz, jlong ptr) {
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if (!ptr) {
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return;
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}
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auto info = (LottieInfo *) (intptr_t) ptr;
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delete info;
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}
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JNIEXPORT void Java_org_telegram_ui_Components_RLottieDrawable_setLayerColor(JNIEnv *env, jclass clazz, jlong ptr, jstring layer, jint color) {
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if (!ptr || layer == nullptr) {
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return;
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}
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auto info = (LottieInfo *) (intptr_t) ptr;
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char const *layerString = env->GetStringUTFChars(layer, nullptr);
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info->animation->setValue<Property::Color>(layerString, Color(((color) & 0xff) / 255.0f, ((color >> 8) & 0xff) / 255.0f, ((color >> 16) & 0xff) / 255.0f));
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if (layerString) {
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env->ReleaseStringUTFChars(layer, layerString);
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}
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}
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JNIEXPORT void Java_org_telegram_ui_Components_RLottieDrawable_replaceColors(JNIEnv *env, jclass clazz, jlong ptr, jintArray colorReplacement) {
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if (!ptr || colorReplacement == nullptr) {
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return;
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}
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auto info = (LottieInfo *) (intptr_t) ptr;
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jint *arr = env->GetIntArrayElements(colorReplacement, nullptr);
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if (arr != nullptr) {
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jsize len = env->GetArrayLength(colorReplacement);
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for (int32_t a = 0; a < len / 2; a++) {
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(*info->animation->colorMap)[arr[a * 2]] = arr[a * 2 + 1];
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}
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info->animation->resetCurrentFrame();
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env->ReleaseIntArrayElements(colorReplacement, arr, 0);
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}
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}
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bool cacheWriteThreadCreated{false};
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LottieInfo *cacheWriteThreadTask{nullptr};
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bool cacheWriteThreadDone{false};
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std::thread worker;
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std::mutex cacheMutex;
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std::condition_variable cacheCv;
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std::mutex cacheDoneMutex;
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std::condition_variable cacheDoneCv;
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std::atomic<bool> frameReady{false};
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void CacheWriteThreadProc() {
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while (!cacheWriteThreadDone) {
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std::unique_lock<std::mutex> lk(cacheMutex);
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cacheCv.wait(lk, [] { return frameReady.load(); });
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std::lock_guard<std::mutex> lg(cacheDoneMutex);
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LottieInfo *task;
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if (cacheWriteThreadTask != nullptr) {
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task = cacheWriteThreadTask;
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cacheWriteThreadTask = nullptr;
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} else {
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task = nullptr;
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}
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lk.unlock();
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if (task != nullptr) {
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auto size = (uint32_t) LZ4_compress_default(task->buffer, task->compressBuffer, task->bufferSize, task->compressBound);
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if (task->firstFrame) {
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task->firstFrameSize = size;
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task->fileOffset = 9 + sizeof(uint32_t) + task->firstFrameSize;
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}
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task->maxFrameSize = MAX(task->maxFrameSize, size);
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fwrite(&size, sizeof(uint32_t), 1, task->precacheFile);
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fwrite(task->compressBuffer, sizeof(uint8_t), size, task->precacheFile);
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fflush(task->precacheFile);
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fsync(fileno(task->precacheFile));
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task->framesAvailableInCache++;
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}
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frameReady = false;
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cacheDoneCv.notify_one();
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}
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}
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JNIEXPORT void Java_org_telegram_ui_Components_RLottieDrawable_createCache(JNIEnv *env, jclass clazz, jlong ptr, jint w, jint h) {
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if (ptr == NULL) {
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return;
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}
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auto info = (LottieInfo *) (intptr_t) ptr;
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FILE *cacheFile = fopen(info->cacheFile.c_str(), "r+");
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if (cacheFile != nullptr) {
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uint8_t temp;
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size_t read = fread(&temp, sizeof(uint8_t), 1, cacheFile);
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fclose(cacheFile);
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if (read == 1 && temp != 0) {
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return;
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}
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}
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if (!cacheWriteThreadCreated) {
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cacheWriteThreadCreated = true;
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worker = std::thread(CacheWriteThreadProc);
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}
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if (info->nextFrameIsCacheFrame && info->createCache && info->frameCount != 0) {
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info->precacheFile = fopen(info->cacheFile.c_str(), "w+");
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if (info->precacheFile != nullptr) {
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fseek(info->precacheFile, info->fileOffset = 9, SEEK_SET);
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info->maxFrameSize = 0;
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info->bufferSize = w * h * 4;
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info->imageSize = (uint32_t) w * h * 4;
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info->compressBound = LZ4_compressBound(info->bufferSize);
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info->compressBuffer = new char[info->compressBound];
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auto firstBuffer = new uint8_t[info->bufferSize];
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auto secondBuffer = new uint8_t[info->bufferSize];
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//long time = ConnectionsManager::getInstance(0).getCurrentTimeMonotonicMillis();
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Surface surface1((uint32_t *) firstBuffer, (size_t) w, (size_t) h, (size_t) w * 4);
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Surface surface2((uint32_t *) secondBuffer, (size_t) w, (size_t) h, (size_t) w * 4);
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int framesPerUpdate = !info->limitFps || info->fps < 60 ? 1 : 2;
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int num = 0;
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for (size_t a = 0; a < info->frameCount; a += framesPerUpdate) {
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Surface &surfaceToRender = num % 2 == 0 ? surface1 : surface2;
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num++;
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info->animation->renderSync(a, surfaceToRender, true);
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if (a != 0) {
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std::unique_lock<std::mutex> lk(cacheDoneMutex);
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cacheDoneCv.wait(lk, [] { return !frameReady.load(); });
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}
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std::lock_guard<std::mutex> lg(cacheMutex);
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cacheWriteThreadTask = info;
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info->firstFrame = a == 0;
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info->buffer = (const char *) surfaceToRender.buffer();
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frameReady = true;
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cacheCv.notify_one();
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}
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std::unique_lock<std::mutex> lk(cacheDoneMutex);
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cacheDoneCv.wait(lk, [] { return !frameReady.load(); });
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//DEBUG_D("sticker time = %d", (int) (ConnectionsManager::getInstance(0).getCurrentTimeMonotonicMillis() - time));
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delete[] info->compressBuffer;
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delete[] firstBuffer;
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delete[] secondBuffer;
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fseek(info->precacheFile, 0, SEEK_SET);
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uint8_t byte = 1;
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fwrite(&byte, sizeof(uint8_t), 1, info->precacheFile);
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uint32_t maxFrameSize = info->maxFrameSize;
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fwrite(&maxFrameSize, sizeof(uint32_t), 1, info->precacheFile);
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fwrite(&info->imageSize, sizeof(uint32_t), 1, info->precacheFile);
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fflush(info->precacheFile);
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fsync(fileno(info->precacheFile));
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info->createCache = false;
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fclose(info->precacheFile);
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}
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}
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}
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JNIEXPORT jint Java_org_telegram_ui_Components_RLottieDrawable_getFrame(JNIEnv *env, jclass clazz, jlong ptr, jint frame, jobject bitmap, jint w, jint h, jint stride, jboolean clear) {
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if (!ptr || bitmap == nullptr) {
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return 0;
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}
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auto info = (LottieInfo *) (intptr_t) ptr;
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int framesPerUpdate = !info->limitFps || info->fps < 60 ? 1 : 2;
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int framesAvailableInCache = info->framesAvailableInCache;
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if (info->createCache && info->precache && frame > 0) {
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if (frame / framesPerUpdate >= framesAvailableInCache) {
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return -1;
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}
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}
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void *pixels;
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if (AndroidBitmap_lockPixels(env, bitmap, &pixels) >= 0) {
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bool loadedFromCache = false;
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uint32_t maxFrameSize = info->maxFrameSize;
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if (info->precache && (!info->createCache || frame > 0) && w * 4 == stride && maxFrameSize <= w * h * 4 && info->imageSize == w * h * 4) {
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FILE *precacheFile = fopen(info->cacheFile.c_str(), "r");
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if (precacheFile != nullptr) {
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if (info->decompressBuffer != nullptr && info->decompressBufferSize < maxFrameSize) {
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delete[] info->decompressBuffer;
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info->decompressBuffer = nullptr;
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}
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if (info->decompressBuffer == nullptr) {
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info->decompressBufferSize = maxFrameSize;
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if (info->createCache) {
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info->decompressBufferSize += 10000;
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}
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info->decompressBuffer = new uint8_t[info->decompressBufferSize];
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}
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fseek(precacheFile, info->fileOffset, SEEK_SET);
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uint32_t frameSize;
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fread(&frameSize, sizeof(uint32_t), 1, precacheFile);
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if (frameSize > 0 && frameSize <= info->decompressBufferSize) {
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fread(info->decompressBuffer, sizeof(uint8_t), frameSize, precacheFile);
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info->fileOffset += 4 + frameSize;
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LZ4_decompress_safe((const char *) info->decompressBuffer, (char *) pixels, frameSize, w * h * 4);
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loadedFromCache = true;
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}
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fclose(precacheFile);
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if (frame + framesPerUpdate >= info->frameCount) {
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info->fileOffset = 9;
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}
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}
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}
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if (!loadedFromCache) {
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if (!info->nextFrameIsCacheFrame || !info->precache) {
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Surface surface((uint32_t *) pixels, (size_t) w, (size_t) h, (size_t) stride);
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info->animation->renderSync((size_t) frame, surface, clear);
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info->nextFrameIsCacheFrame = true;
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}
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}
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AndroidBitmap_unlockPixels(env, bitmap);
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}
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return frame;
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}
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}
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