refactor: streamline FFmpeg installation process and remove unnecessary CUDA development tools

Dockerfile.base

@@ -31,24 +31,7 @@ RUN apt-get update && apt-get install -y \
     python3-numpy \
     && rm -rf /var/lib/apt/lists/*
 
-# Install CUDA development tools (required for FFmpeg CUDA compilation)
-RUN apt-get update && apt-get install -y \
-    cuda-nvcc-12-6 \
-    libcuda1 \
-    cuda-cudart-dev-12-6 \
-    cuda-driver-dev-12-6 \
-    || echo "CUDA development packages not available, continuing without them" && \
-    rm -rf /var/lib/apt/lists/*
-
-# Try to install NVIDIA packages (may not be available in all environments)
-RUN apt-get update && apt-get install -y \
-    libnvidia-encode-535 \
-    libnvidia-decode-535 \
-    || echo "NVIDIA packages not available, continuing without them" && \
-    rm -rf /var/lib/apt/lists/*
-
-# Use pre-built FFmpeg with CUDA support using the build script
-ENV FFMPEG_BUILD_SCRIPT_VERSION=1.43
+# Install prebuilt FFmpeg with CUDA support
 # Ensure CUDA paths are available
 ENV PATH="/usr/local/cuda/bin:${PATH}"
 ENV LD_LIBRARY_PATH="/usr/local/cuda/lib64:${LD_LIBRARY_PATH}"
@@ -61,23 +44,16 @@ RUN cd /tmp && \
     make install && \
     rm -rf /tmp/*
 
-# Build FFmpeg using the well-maintained build script with CUDA support
+# Download and install prebuilt FFmpeg with CUDA support
 RUN cd /tmp && \
-    echo "Building FFmpeg with CUDA support using build script..." && \
-    curl -sL "https://raw.githubusercontent.com/markus-perl/ffmpeg-build-script/master/build-ffmpeg" -o build-ffmpeg && \
-    chmod +x build-ffmpeg && \
-    # Configure the build script for CUDA support
-    SKIPINSTALL=yes \
-    AUTOINSTALL=yes \
-    ./build-ffmpeg \
-        --build \
-        --enable-gpl-and-non-free \
-        --latest \
-        --cuda \
-    && \
-    # Copy built binaries to system paths
-    cp workspace/bin/* /usr/local/bin/ && \
-    cp workspace/lib/* /usr/local/lib/ && \
+    echo "Installing prebuilt FFmpeg with CUDA support..." && \
+    wget https://github.com/BtbN/FFmpeg-Builds/releases/download/latest/ffmpeg-master-latest-linux64-gpl.tar.xz && \
+    tar -xf ffmpeg-master-latest-linux64-gpl.tar.xz && \
+    cd ffmpeg-master-latest-linux64-gpl && \
+    # Copy binaries to system paths
+    cp bin/* /usr/local/bin/ && \
+    cp -r lib/* /usr/local/lib/ && \
+    cp -r include/* /usr/local/include/ && \
     ldconfig && \
     # Verify CUVID decoders are available
     echo "=== Verifying FFmpeg CUVID Support ===" && \
@@ -86,45 +62,6 @@ RUN cd /tmp && \
     (ffmpeg -hide_banner -encoders 2>/dev/null | grep nvenc || echo "No NVENC encoders found") && \
     cd / && rm -rf /tmp/*
 
-# Build OpenCV from source with custom FFmpeg and full CUDA support
-ENV OPENCV_VERSION=4.8.1
-RUN cd /tmp && \
-    wget -O opencv.zip https://github.com/opencv/opencv/archive/${OPENCV_VERSION}.zip && \
-    wget -O opencv_contrib.zip https://github.com/opencv/opencv_contrib/archive/${OPENCV_VERSION}.zip && \
-    unzip opencv.zip && \
-    unzip opencv_contrib.zip && \
-    cd opencv-${OPENCV_VERSION} && \
-    mkdir build && cd build && \
-    PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:$PKG_CONFIG_PATH \
-    cmake -D CMAKE_BUILD_TYPE=RELEASE \
-        -D CMAKE_INSTALL_PREFIX=/usr/local \
-        -D WITH_CUDA=ON \
-        -D WITH_CUDNN=ON \
-        -D OPENCV_DNN_CUDA=ON \
-        -D ENABLE_FAST_MATH=ON \
-        -D CUDA_FAST_MATH=ON \
-        -D WITH_CUBLAS=ON \
-        -D WITH_NVCUVID=ON \
-        -D WITH_CUVID=ON \
-        -D BUILD_opencv_cudacodec=ON \
-        -D WITH_FFMPEG=ON \
-        -D WITH_LIBV4L=ON \
-        -D BUILD_opencv_python3=ON \
-        -D OPENCV_GENERATE_PKGCONFIG=ON \
-        -D OPENCV_ENABLE_NONFREE=ON \
-        -D OPENCV_EXTRA_MODULES_PATH=/tmp/opencv_contrib-${OPENCV_VERSION}/modules \
-        -D PYTHON3_EXECUTABLE=$(which python3) \
-        -D PYTHON_INCLUDE_DIR=$(python3 -c "import sysconfig; print(sysconfig.get_path('include'))") \
-        -D PYTHON_LIBRARY=$(python3 -c "import sysconfig; print(sysconfig.get_config_var('LIBDIR'))") \
-        -D BUILD_EXAMPLES=OFF \
-        -D BUILD_TESTS=OFF \
-        -D BUILD_PERF_TESTS=OFF \
-        .. && \
-    make -j$(nproc) && \
-    make install && \
-    ldconfig && \
-    cd / && rm -rf /tmp/*
-
 # Set environment variables for maximum hardware acceleration
 ENV LD_LIBRARY_PATH="/usr/local/cuda/lib64:/usr/local/lib:${LD_LIBRARY_PATH}"
 ENV PKG_CONFIG_PATH="/usr/local/lib/pkgconfig:${PKG_CONFIG_PATH}"
@@ -143,25 +80,6 @@ RUN grep -v opencv-python requirements.base.txt > requirements.tmp && \
     mv requirements.tmp requirements.base.txt && \
     pip install --no-cache-dir -r requirements.base.txt
 
-# Verify complete hardware acceleration setup
-RUN echo "=== Hardware Acceleration Verification ===" && \
-    echo "FFmpeg Hardware Accelerators:" && \
-    (ffmpeg -hide_banner -hwaccels 2>/dev/null || echo "FFmpeg hwaccels command failed") && \
-    echo "" && \
-    echo "FFmpeg CUVID Decoders (NVIDIA):" && \
-    (ffmpeg -hide_banner -decoders 2>/dev/null | grep -E "cuvid" || echo "No CUVID decoders found") && \
-    echo "" && \
-    echo "FFmpeg NVENC Encoders (NVIDIA):" && \
-    (ffmpeg -hide_banner -encoders 2>/dev/null | grep -E "nvenc" || echo "No NVENC encoders found") && \
-    echo "" && \
-    echo "Testing CUVID decoder compilation (no GPU required):" && \
-    (ffmpeg -hide_banner -f lavfi -i testsrc=duration=0.1:size=64x64:rate=1 -c:v libx264 -f null - 2>/dev/null && echo "✅ FFmpeg basic functionality working" || echo "❌ FFmpeg basic test failed") && \
-    echo "" && \
-    echo "OpenCV Configuration:" && \
-    (python3 -c "import cv2; print('OpenCV version:', cv2.__version__); build_info = cv2.getBuildInformation(); print('CUDA support:', 'CUDA' in build_info); print('CUVID support:', 'CUVID' in build_info); print('FFmpeg support:', 'FFMPEG' in build_info)" || echo "OpenCV verification failed") && \
-    echo "" && \
-    echo "=== Verification Complete (build-time only) ==="
-
 # Set working directory
 WORKDIR /app