| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| //#define LOG_NDEBUG 0 |
| #define LOG_TAG "NativeDecoder" |
| |
| #include <jni.h> |
| #include <fstream> |
| #include <stdio.h> |
| #include <string.h> |
| #include <sys/stat.h> |
| |
| #include <android/log.h> |
| |
| #include "Decoder.h" |
| |
| extern "C" JNIEXPORT int JNICALL Java_com_android_media_benchmark_library_Native_Decode( |
| JNIEnv *env, jobject thiz, jstring jFilePath, jstring jFileName, jstring jStatsFile, |
| jstring jCodecName, jboolean asyncMode) { |
| const char *filePath = env->GetStringUTFChars(jFilePath, nullptr); |
| const char *fileName = env->GetStringUTFChars(jFileName, nullptr); |
| string sFilePath = string(filePath) + string(fileName); |
| UNUSED(thiz); |
| FILE *inputFp = fopen(sFilePath.c_str(), "rb"); |
| env->ReleaseStringUTFChars(jFileName, fileName); |
| env->ReleaseStringUTFChars(jFilePath, filePath); |
| if (!inputFp) { |
| ALOGE("Unable to open input file for reading"); |
| return -1; |
| } |
| |
| Decoder *decoder = new Decoder(); |
| Extractor *extractor = decoder->getExtractor(); |
| if (!extractor) { |
| ALOGE("Extractor creation failed"); |
| return -1; |
| } |
| |
| // Read file properties |
| struct stat buf; |
| stat(sFilePath.c_str(), &buf); |
| size_t fileSize = buf.st_size; |
| if (fileSize > kMaxBufferSize) { |
| ALOGE("File size greater than maximum buffer size"); |
| return -1; |
| } |
| int32_t fd = fileno(inputFp); |
| int32_t trackCount = extractor->initExtractor(fd, fileSize); |
| if (trackCount <= 0) { |
| ALOGE("initExtractor failed"); |
| return -1; |
| } |
| for (int curTrack = 0; curTrack < trackCount; curTrack++) { |
| int32_t status = extractor->setupTrackFormat(curTrack); |
| if (status != 0) { |
| ALOGE("Track Format invalid"); |
| return -1; |
| } |
| |
| uint8_t *inputBuffer = (uint8_t *) malloc(fileSize); |
| if (!inputBuffer) { |
| ALOGE("Insufficient memory"); |
| return -1; |
| } |
| |
| vector<AMediaCodecBufferInfo> frameInfo; |
| AMediaCodecBufferInfo info; |
| uint32_t inputBufferOffset = 0; |
| |
| // Get frame data |
| while (1) { |
| status = extractor->getFrameSample(info); |
| if (status || !info.size) break; |
| // copy the meta data and buffer to be passed to decoder |
| if (inputBufferOffset + info.size > kMaxBufferSize) { |
| ALOGE("Memory allocated not sufficient"); |
| free(inputBuffer); |
| return -1; |
| } |
| memcpy(inputBuffer + inputBufferOffset, extractor->getFrameBuf(), info.size); |
| frameInfo.push_back(info); |
| inputBufferOffset += info.size; |
| } |
| |
| const char *codecName = env->GetStringUTFChars(jCodecName, nullptr); |
| string sCodecName = string(codecName); |
| decoder->setupDecoder(); |
| status = decoder->decode(inputBuffer, frameInfo, sCodecName, asyncMode); |
| if (status != AMEDIA_OK) { |
| ALOGE("Decode returned error"); |
| free(inputBuffer); |
| env->ReleaseStringUTFChars(jCodecName, codecName); |
| return -1; |
| } |
| decoder->deInitCodec(); |
| const char *inputReference = env->GetStringUTFChars(jFileName, nullptr); |
| const char *statsFile = env->GetStringUTFChars(jStatsFile, nullptr); |
| string sInputReference = string(inputReference); |
| decoder->dumpStatistics(sInputReference, sCodecName, (asyncMode ? "async" : "sync"), |
| statsFile); |
| env->ReleaseStringUTFChars(jCodecName, codecName); |
| env->ReleaseStringUTFChars(jStatsFile, statsFile); |
| env->ReleaseStringUTFChars(jFileName, inputReference); |
| if (inputBuffer) { |
| free(inputBuffer); |
| inputBuffer = nullptr; |
| } |
| decoder->resetDecoder(); |
| } |
| if (inputFp) { |
| fclose(inputFp); |
| inputFp = nullptr; |
| } |
| extractor->deInitExtractor(); |
| delete decoder; |
| return 0; |
| } |