/* * Copyright (c) 2020-2021 Taner Sener * * This file is part of FFmpegKit. * * FFmpegKit is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * FFmpegKit is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with FFmpegKit. If not, see . */ #include #include #include #include "config.h" #include "libavcodec/jni.h" #include "libavutil/bprint.h" #include "libavutil/mem.h" #include "ffmpegkit.h" /** Forward declaration for function defined in fftools_ffprobe.c */ int ffprobe_execute(int argc, char **argv); extern int configuredLogLevel; extern __thread long globalSessionId; extern void addSession(long sessionId); extern void removeSession(long sessionId); extern void resetMessagesInTransmit(long sessionId); /** * Synchronously executes FFprobe natively with arguments provided. * * @param env pointer to native method interface * @param object reference to the class on which this method is invoked * @param id session id * @param stringArray reference to the object holding FFprobe command arguments * @return zero on successful execution, non-zero on error */ JNIEXPORT jint JNICALL Java_com_arthenica_ffmpegkit_FFmpegKitConfig_nativeFFprobeExecute(JNIEnv *env, jclass object, jlong id, jobjectArray stringArray) { jstring *tempArray = NULL; int argumentCount = 1; char **argv = NULL; // SETS DEFAULT LOG LEVEL BEFORE STARTING A NEW RUN av_log_set_level(configuredLogLevel); if (stringArray) { int programArgumentCount = (*env)->GetArrayLength(env, stringArray); argumentCount = programArgumentCount + 1; tempArray = (jstring *) av_malloc(sizeof(jstring) * programArgumentCount); } /* PRESERVE USAGE FORMAT * * ffprobe */ argv = (char **)av_malloc(sizeof(char*) * (argumentCount)); argv[0] = (char *)av_malloc(sizeof(char) * (strlen(LIB_NAME) + 1)); strcpy(argv[0], LIB_NAME); // PREPARE ARRAY ELEMENTS if (stringArray) { for (int i = 0; i < (argumentCount - 1); i++) { tempArray[i] = (jstring) (*env)->GetObjectArrayElement(env, stringArray, i); if (tempArray[i] != NULL) { argv[i + 1] = (char *) (*env)->GetStringUTFChars(env, tempArray[i], 0); } } } // REGISTER THE ID BEFORE STARTING THE SESSION globalSessionId = (long) id; addSession((long) id); resetMessagesInTransmit(globalSessionId); // RUN int returnCode = ffprobe_execute(argumentCount, argv); // ALWAYS REMOVE THE ID FROM THE MAP removeSession((long) id); // CLEANUP if (tempArray) { for (int i = 0; i < (argumentCount - 1); i++) { (*env)->ReleaseStringUTFChars(env, tempArray[i], argv[i + 1]); } av_free(tempArray); } av_free(argv[0]); av_free(argv); return returnCode; }