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If you want FDK-AAC you have to compile handbrake yourself. enable-nonfree if you're also using -enable-gpl). Requires ffmpeg toīe configured with -enable-libfdk-aac (and additionally Highest-quality AAC encoder available with ffmpeg.
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This canīe resolved by compiling ffmpeg yourself. Therefore this encoder have been designated as "non-free",Īnd you cannot download a pre-built ffmpeg that supports it. The license of libfdk_aac is notĬompatible with GPL, so the GPL does not permit distribution ofīinaries containing incompatible code when GPL-licensed code is also It's generally accepted that, due to licensing reasons, the pre-compiled Windows executables of FFmpeg come out of the box with lower-quality encoders - particularly when it comes to the default AAC encoder and the default resampler.Īccording to these sources, the solution is to compile the program from source:įFmpeg supports two AAC-LC encoders (aac and libfdk_aac) and one
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