Move librist from EXTERNAL_LIBRARY_LIST to EXTERNAL_AUTODETECT_LIBRARY_LIST
so that ffmpeg's RIST input and output protocol are available out of
the box on any system where libRIST is installed, matching the
behaviour of other system-level integration libraries already in the
autodetect list (zlib, sdl2, schannel, securetransport, ...).
libRIST is a BSD 2-Clause implementation of the VSF TR-06-1 / TR-06-2
RIST specifications. It has stabilised since the previous required-
version bump (0.2.7 in 2022, now 0.2.15 in 2026) and is broadly
packaged.
A non-exhaustive survey, per Repology:
Linux:
Alpine (community), Arch (extra), Chimera (main), Debian (main,
since 12/bookworm), Devuan, Fedora (since 38), EPEL 9/10, Gentoo
(net-libs), Kali, Mageia, Manjaro, MX Linux, NixOS / nixpkgs
(since 23.11), openmamba, openSUSE Leap and Tumbleweed, Parabola,
Parrot, PLD, Pisi, PureOS, Raspbian, Rosa, SlackBuilds, Solus,
T2 SDE, Ubuntu (since 24.04 noble), Void Linux.
macOS:
Homebrew (current 0.2.15).
Windows:
MSYS2 in all four toolchain variants (mingw64, ucrt64, clang64,
clangarm64). Shipped indirectly via VLC's contrib on official
Windows builds.
BSD:
FreeBSD Ports (multimedia/librist).
The current default-disabled posture means the typical distribution
ffmpeg build omits RIST input/output even though libRIST is installed
on the same system. The asymmetry is not by design - it predates
libRIST being widely packaged - and end users with libRIST installed
expect to be able to use it from ffmpeg without rebuilding from source
with --enable-librist.
End users who want to exclude librist explicitly can pass
--disable-librist, exactly as with any other autodetected library.
---
configure | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/configure b/configure
index f17ae9b095..e704a46f12 100755
--- a/configure
+++ b/configure
@@ -269,7 +269,7 @@ External library support:
--enable-libquirc enable QR decoding via libquirc [no]
--enable-librabbitmq enable RabbitMQ library [no]
--enable-librav1e enable AV1 encoding via rav1e [no]
- --enable-librist enable RIST via librist [no]
+ --enable-librist enable RIST via librist [autodetect]
--enable-librsvg enable SVG rasterization via librsvg [no]
--enable-librubberband enable rubberband needed for rubberband filter [no]
--enable-librtmp enable RTMP[E] support via librtmp [no]
@@ -2015,6 +2015,7 @@ EXTERNAL_AUTODETECT_LIBRARY_LIST="
bzlib
coreimage
iconv
+ librist
libxcb
libxcb_shm
libxcb_shape
@@ -2122,7 +2123,6 @@ EXTERNAL_LIBRARY_LIST="
libquirc
librabbitmq
librav1e
- librist
librsvg
librtmp
libshaderc
--
2.45.1
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