我的应用程序编译成功，但运行时无法找到avcodec-57.dll，avdevice-57.dll和其他ffmpeg库。我需要一个没有依赖关系的静态应用程序。这是编译器的日志：
cd 'D:\Projects\Test1'
D:\Programms\MinGW\msys\1.0\bin\make.exe -f Makefile CONF=Release
"/D/Programms/MinGW/msys/1.0/bin/make.exe" -f nbproject/Makefile-Release.mk QMAKE= SUBPROJECTS= .build-conf
make.exe[1]: Entering directory `/d/Projects/Test1'
"/D/Programms/MinGW/msys/1.0/bin/make.exe" -f nbproject/Makefile-Release.mk dist/Release/MinGW-Windows/test1.exe
make.exe[2]: Entering directory `/d/Projects/Test1'
mkdir -p build/Release/MinGW-Windows
rm -f "build/Release/MinGW-Windows/main.o.d"
g++ -m32 -static -mwindows -c -O2 -I/D/Programms/MinGW/ffmpeg/include -std=c++11 -MMD -MP -MF "build/Release/MinGW-Windows/main.o.d" -o build/Release/MinGW-Windows/main.o main.cpp
mkdir -p dist/Release/MinGW-Windows
g++ -m32 -static -mwindows -o dist/Release/MinGW-Windows/test1 build/Release/MinGW-Windows/main.o -L/D/Programms/MinGW/ffmpeg/lib -lavdevice.dll -lavformat.dll -lavutil.dll
make.exe[2]: Leaving directory `/d/Projects/Test1'
make.exe[1]: Leaving directory `/d/Projects/Test1'
BUILD SUCCESSFUL (time: 3s)
（IDE：NetBeans;编译器：MinGW）
也许我错过了什么？