diff options
| author | V3n3RiX <venerix@koprulu.sector> | 2022-12-11 21:23:38 +0000 |
|---|---|---|
| committer | V3n3RiX <venerix@koprulu.sector> | 2022-12-11 21:23:38 +0000 |
| commit | be83e841a72f70653bdfa19224a96c50ee72aab8 (patch) | |
| tree | 15b3c48ca76f419526ad227295ea60cc81b21c3d /media-video/ffmpeg/metadata.xml | |
| parent | 1c8855d83ff1cb8040f3fccdb1e5d2f47e1d308d (diff) | |
gentoo auto-resync : 11:12:2022 - 21:23:38
Diffstat (limited to 'media-video/ffmpeg/metadata.xml')
| -rw-r--r-- | media-video/ffmpeg/metadata.xml | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/media-video/ffmpeg/metadata.xml b/media-video/ffmpeg/metadata.xml index 60511928e367..54cb9b3546d3 100644 --- a/media-video/ffmpeg/metadata.xml +++ b/media-video/ffmpeg/metadata.xml @@ -25,7 +25,16 @@ <flag name="gcrypt">Enables gcrypt support: Needed for rtmp(t)e support if openssl, librtmp or gmp is not used.</flag> <flag name="gme">Enables support for <pkg>media-libs/game-music-emu</pkg> for playing various video game music formats.</flag> <flag name="gpl">Build GPL code. Should be enabled unless you require LGPL binaries.</flag> - <flag name="hardcoded-tables">Use pre-calculated tables rather than calculating them on the fly.</flag> + <flag name="hardcoded-tables"> + Use pre-calculated tables rather than calculating them on the fly. + + It results in an increase of approximately 15% in the size of libavcodec, the main library impacted by this change. + It enables savings in table generation time, done once at codec initialization, since by hardcoding the tables, + they do not need to be computed at runtime. However, the savings are often negligible (~100k cycles is a typical number) especially when amortized + over the entire encoding/decoding operation. + + Improvements are being made to the runtime initialization, and so over time, this option will have an impact on fewer and fewer codecs. + </flag> <flag name="iec61883"> Support for FireWire DV/HDV input device using <pkg>media-libs/libiec61883</pkg>.</flag> <flag name="jpegxl">Enable JPEG XL de/encoding via <pkg>media-libs/libjxl</pkg>.</flag> <flag name="kvazaar">Enables <pkg>media-libs/kvazaar</pkg> based HEVC encoder.</flag> |