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Currently, the C3V Ubuntu rootfs has have included the FFmpeg 4.4.4 prebuilt for version 20.04/22.04 and FFmpeg 6.1.1 for version 24.04 by default. It carries the commonly used elements and hardware media codec functions. If you don’t want to use it, disable the install in the file <C3V_PRJ>/linux/rootfs/initramfs/build_disk.sh before running make config.
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The steps for installing FFmpeg 6.1.1 are the same as for FFmpeg 4.4.4, here is the patch for FFmpeg 6.1.1.
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If you are using Ubuntu version 24.04, it is recommended to use FFmpeg 6.1.1, otherwise when installing some packages such as OpenCV via apt install, it will download FFmpe 6.1.1 packages to replace the lower version already installed. |