[Bug 2051008] Review Request: ffmpeg - A complete solution to record, convert and stream audio and video

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https://bugzilla.redhat.com/show_bug.cgi?id=2051008



--- Comment #23 from Dominik 'Rathann' Mierzejewski <dominik@xxxxxxxxxxxxxx> ---
Note that when linking with fdk-aac-free, you need to disable all GPL codecs as
FDK-AAC license is GPL-incompatible (but LGPL-compatible).

Here's the list:
%global _without_amr      1
%global _without_cdio     1
%global _without_frei0r   1
%global _without_gmp      1
%global _without_gpl      1
%global _without_lensfun  1
%global _without_rubberband 1
%global _without_smb      1
%global _without_vidstab  1
%global _without_vmaf     1
%global _without_x264     1
%global _without_x265     1
%global _without_xvid     1


Now, this part:
    --disable-parser="h263,h264,hevc,vc1" \
    --enable-muxers \
    --disable-muxer="mp4,h263,h264,hevc,vc1" \
    --enable-demuxers \
    --disable-demuxer="mp4,h263,h264,hevc,vc1" \
    --disable-encoders \
    --disable-decoders \
    --disable-decoder="mpeg4,h263,h264,hevc,vc1" \

I think this will break all hardware en/decoders. You need to keep parsers and
(de)muxers enabled. Considering mkvtoolnix and other tools which can parse and
demux the above are in Fedora already, this should be legal to do.

Also, there's no point in disabling the specific set of decoders if you have
--disable-decoders in the line above.

# Paranoia check
%if %{without all_codecs}
for i in MPEG4 H263 H264 HEVC VC1; do
    grep -q "#define CONFIG_${i}_DECODER 0" config.h
done
%endif

You're forgetting about encoders. ;)


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https://bugzilla.redhat.com/show_bug.cgi?id=2051008
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