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Currently, the C3V Ubuntu rootfs has included the FFmpeg 4.4.4 prebuilt by default. It carries the commonly used elements and hardware media codec functions. If you don’t want to use it, you can disable the install in the file <C3V_PRJ>/linux/rootfs/initramfs/build_disk.sh before running make config.
The prebuilt FFmpeg is located in the path <C3V_PRJ>/linux/rootfs/initramfs/ubuntu/prebuilt-app-xxx. If your C3V system doesn’t have it or you feel that the provided does not meet your needs, you can recompile it as below.
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The patches in this document may not be up to date, if you are using the latest code of C3V, you can get the latest patch in the directory <C3V_PRJ>/linux/rootfs/initramfs/buildroot/package/ffmpeg directly. |
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