Should be enabled unless you require LGPL binaries.Īdd support for the gsm lossy speech compression codec Prefer net-libs/gnutls as SSL/TLS provider (ineffective with USE=-ssl)īuild GPL code. Support for configuring and customizing font access via media-libs/fontconfigĮnables fribidi support in the drawtext filter.Įnables gcrypt support: Needed for rtmp(t)e support if openssl, librtmp or gmp is not used.Įnables support for media-libs/game-music-emu for playing various video game music formats.Īdd support for dev-libs/gmp (GNU MP library) Use external fdk-aac library for AAC encodingĪdds a text-to-speech filter based on app-accessibility/flite. It is recommended to enable per package instead of globallyĪdd support for encoding of audio or video files
If you want to get meaningful backtraces see Īdd extra documentation (API, Javadoc, etc). Mostly used for specific filters.Įnables AV1 decoding via media-libs/dav1d.Įnable extra debug codepaths, like asserts and extra output. I trying transcode h264 interlaced video file with h264_nvenc codec and want keep interlacing.įfmpeg version 3.2 Copyright (c) 2000-2016 the FFmpeg developersīuilt with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.3)Ĭonfiguration: -cpu=native -enable-pthreads -enable-bzlib -enable-libdc1394 -enable-libfreetype -enable-frei0r -enable-gnutls -enable-libgsm -enable-libmp3lame -enable-librtmp -enable-libopencv -enable-libopenjpeg -enable-libopus -enable-libpulse -enable-libschroedinger -enable-libspeex -enable-libtheora -enable-vaapi -enable-vdpau -enable-libvorbis -enable-libvpx -enable-zlib -enable-libfdk-aac -enable-nonfree -enable-gpl -enable-swscale -enable-libcdio -enable-x11grab -enable-libx264 -enable-libxvid -enable-libopencore-amrnb -enable-version3 -enable-libopencore-amrwb -enable-version3 -enable-version3 -enable-libvo-amrwbenc -enable-version3 -enable-nvenc ffmpeg -i source.mpg -vcodec h264_nvenc -flags +ildct+ilme -acodec copy -f mpegts out.Add support for media-libs/alsa-lib (Advanced Linux Sound Architecture)Įnables support for AMD's Advanced Media Framework (AMF)Įnables Adaptive Multi-Rate Audio supportĮnables Adaptive Multi-Rate Audio encoding support with media-libs/vo-amrwbenc.Įnables media-libs/libbs2b based Bauer stereo-to-binaural filter.Įnables audio CD grabbing with dev-libs/libcdio.Įnables audio fingerprinting support with media-libs/chromaprint.īuilds libffmpeg.so to enable media playback in Chromium-based browsers like Opera and Vivaldi.Įnables codec2 low bit rate speech codec support via media-libs/codec2.Įnables runtime CPU detection (useful for bindist, compatibility on other CPUs)Įnables CUDA-based acceleration.
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