238 lines
9.0 KiB
C++
238 lines
9.0 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 <pthread.h>
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#include <tgnet/ConnectionsManager.h>
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#include <tgnet/FileLog.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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std::string path;
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std::string cacheFile;
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uint8_t *decompressBuffer = nullptr;
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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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};
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jlong Java_org_telegram_ui_Components_RLottieDrawable_create(JNIEnv *env, jclass clazz, jstring src, jintArray data, jboolean precache) {
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LottieInfo *info = new LottieInfo();
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char const *srcString = env->GetStringUTFChars(src, 0);
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info->path = srcString;
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info->animation = rlottie::Animation::loadFromFile(info->path);
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if (srcString != 0) {
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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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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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info->cacheFile += ".cache";
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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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fread(&(info->maxFrameSize), sizeof(uint32_t), 1, precacheFile);
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fread(&(info->imageSize), sizeof(uint32_t), 1, precacheFile);
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info->fileOffset = 9;
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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, 0);
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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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jlong Java_org_telegram_ui_Components_RLottieDrawable_createWithJson(JNIEnv *env, jclass clazz, jstring json, jstring name, jintArray data) {
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LottieInfo *info = new LottieInfo();
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char const *jsonString = env->GetStringUTFChars(json, 0);
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char const *nameString = env->GetStringUTFChars(name, 0);
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info->animation = rlottie::Animation::loadFromData(jsonString, nameString);
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if (jsonString != 0) {
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env->ReleaseStringUTFChars(json, jsonString);
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}
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if (nameString != 0) {
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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, 0);
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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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void Java_org_telegram_ui_Components_RLottieDrawable_destroy(JNIEnv *env, jclass clazz, jlong ptr) {
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if (ptr == NULL) {
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return;
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}
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LottieInfo *info = (LottieInfo *) (intptr_t) ptr;
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delete info;
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}
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void Java_org_telegram_ui_Components_RLottieDrawable_setLayerColor(JNIEnv *env, jclass clazz, jlong ptr, jstring layer, jint color) {
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if (ptr == NULL || layer == nullptr) {
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return;
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}
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LottieInfo *info = (LottieInfo *) (intptr_t) ptr;
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char const *layerString = env->GetStringUTFChars(layer, 0);
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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 != 0) {
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env->ReleaseStringUTFChars(layer, layerString);
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}
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}
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void Java_org_telegram_ui_Components_RLottieDrawable_createCache(JNIEnv *env, jclass clazz, jlong ptr, jobject bitmap, jint w, jint h, jint stride) {
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if (ptr == NULL || bitmap == nullptr) {
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return;
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}
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LottieInfo *info = (LottieInfo *) (intptr_t) ptr;
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FILE *precacheFile = fopen(info->cacheFile.c_str(), "r+");
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if (precacheFile != nullptr) {
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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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fclose(precacheFile);
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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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void *pixels;
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if (info->nextFrameIsCacheFrame && info->createCache && info->frameCount != 0 && w * 4 == stride && AndroidBitmap_lockPixels(env, bitmap, &pixels) >= 0) {
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precacheFile = fopen(info->cacheFile.c_str(), "w+");
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if (precacheFile != nullptr) {
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fseek(precacheFile, info->fileOffset = 9, SEEK_SET);
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uint32_t size;
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uint32_t firstFrameSize = 0;
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info->maxFrameSize = 0;
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int bound = LZ4_compressBound(w * h * 4);
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uint8_t *compressBuffer = new uint8_t[bound];
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Surface surface((uint32_t *) pixels, (size_t) w, (size_t) h, (size_t) stride);
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//int64_t time = ConnectionsManager::getInstance(0).getCurrentTimeMillis();
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//int totalSize = 0;
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int framesPerUpdate = info->fps < 60 ? 1 : 2;
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for (size_t a = 0; a < info->frameCount; a += framesPerUpdate) {
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info->animation->renderSync(a, surface);
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size = (uint32_t) LZ4_compress_default((const char *) pixels, (char *) compressBuffer, w * h * 4, bound);
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//totalSize += size;
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if (a == 0) {
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firstFrameSize = size;
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}
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info->maxFrameSize = MAX(info->maxFrameSize, size);
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fwrite(&size, sizeof(uint32_t), 1, precacheFile);
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fwrite(compressBuffer, sizeof(uint8_t), size, precacheFile);
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}
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delete[] compressBuffer;
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//DEBUG_D("total size %s = %d, time = %lld ms", info->path.c_str(), totalSize, (ConnectionsManager::getInstance(0).getCurrentTimeMillis() - time));
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fseek(precacheFile, 0, SEEK_SET);
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uint8_t byte = 1;
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info->imageSize = (uint32_t) w * h * 4;
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fwrite(&byte, sizeof(uint8_t), 1, precacheFile);
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fwrite(&info->maxFrameSize, sizeof(uint32_t), 1, precacheFile);
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fwrite(&info->imageSize, sizeof(uint32_t), 1, precacheFile);
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fflush(precacheFile);
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int fd = fileno(precacheFile);
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fsync(fd);
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info->createCache = false;
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info->fileOffset = 9 + sizeof(uint32_t) + firstFrameSize;
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fclose(precacheFile);
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}
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AndroidBitmap_unlockPixels(env, bitmap);
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}
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}
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jint Java_org_telegram_ui_Components_RLottieDrawable_getFrame(JNIEnv *env, jclass clazz, jlong ptr, jint frame, jobject bitmap, jint w, jint h, jint stride) {
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if (ptr == NULL || bitmap == nullptr) {
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return 0;
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}
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LottieInfo *info = (LottieInfo *) (intptr_t) ptr;
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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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if (info->precache && !info->createCache && w * 4 == stride && info->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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fseek(precacheFile, info->fileOffset, SEEK_SET);
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if (info->decompressBuffer == nullptr) {
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info->decompressBuffer = new uint8_t[info->maxFrameSize];
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}
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uint32_t frameSize;
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fread(&frameSize, sizeof(uint32_t), 1, precacheFile);
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if (frameSize <= info->maxFrameSize) {
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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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int framesPerUpdate = info->fps < 60 ? 1 : 2;
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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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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);
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info->nextFrameIsCacheFrame = true;
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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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