X-Git-Url: https://git.sesse.net/?p=nageru;a=blobdiff_plain;f=README;h=b55825d5599b79426b17d0645e799d282e06cff3;hp=095054743ba5978e6e6133aba004e45df823565f;hb=HEAD;hpb=50b6f9f570f4a2989fa45cc033cd983ad05cd9f6 diff --git a/README b/README index 0950547..60a67c7 100644 --- a/README +++ b/README @@ -36,17 +36,10 @@ to 800 MHz after 30 seconds due to thermal constraints), Intel HD Graphics Nageru currently needs: - - An Intel processor with Intel Quick Sync, or otherwise some hardware - H.264 encoder exposed through VA-API. Note that you can use VA-API over - DRM instead of X11, to use a non-Intel GPU for rendering but still use - Quick Sync (Nageru does this automatically for you if needed). - - - Two or more Blackmagic USB3 or PCI cards, either HDMI or SDI. + - Some sort of video capture cards; typically two or more Blackmagic USB3 + or PCI cards, either HDMI or SDI (V4L2 is not generally supported). The PCI cards need Blackmagic's own drivers installed. The USB3 cards - are driven through the “bmusb” driver, using libusb-1.0. If you want - zerocopy USB, you need libusb 1.0.21 or newer, as well as a recent - kernel (4.6.0 or newer). Zerocopy USB helps not only for performance, - but also for stability. You need at least version 0.7.4. + are driven through the “bmusb” driver, using libusb-1.0. - Movit, my GPU-based video filter library (https://movit.sesse.net). You will need at least version 1.5.2. @@ -58,11 +51,10 @@ Nageru currently needs: - x264 for encoding high-quality video suitable for streaming to end users. - FFmpeg for muxing, and for encoding audio. You will need at least - version 5.0. + version 5.1. - Working OpenGL; Movit works with almost any modern OpenGL implementation. - Nageru has been tested with Intel on Mesa (you want 11.2 or newer, due - to critical stability bugfixes), and with NVIDIA's proprietary drivers. + Nageru has been tested with Intel on Mesa, and with NVIDIA's proprietary drivers. The status of AMD's proprietary drivers is currently unknown. - libzita-resampler, for resampling sound sources so that they are in sync @@ -91,8 +83,9 @@ Nageru currently needs: - Optional: libsrt, for SRT inputs (by default, Nageru will listen on port 9710, although you can change this port on the command line, turn it off with --srt-port -1, or turn it off live in the UI). - If you build with libsrt, make sure it is not linked to OpenSSL, - for license reasons. + SRT can also be used for output in addition to listening for HTTP + (see --srt-destination). If you build with libsrt, make sure it is not + linked to OpenSSL, for license reasons. - Optional: SVT-AV1, for encoding high-quality video suitable for streaming to end users (higher quality than using x264, but not nearly as mature). @@ -117,7 +110,7 @@ with: libasound2-dev libx264-dev libbmusb-dev protobuf-compiler \ libprotobuf-dev libsqlite3-dev meson libjpeg-dev libsrt-gnutls-dev -Exceptions as of July 2022: +Exceptions as of September 2023: - Debian does not carry CEF (but it is optional). You can get experimental (and not security-supported) CEF Debian packages built for unstable at @@ -125,9 +118,6 @@ Exceptions as of July 2022: meson obj -Dcef_dir=/usr/lib/x86_64-linux-gnu/cef -Dcef_build_type=system -Dcef_no_icudtl=true - - Debian's SVT-AV1 is too old, so you will need to compile it yourself - if you wish to use it for streaming. - The patches/ directory contains a patch that helps zita-resampler performance. It is meant for upstream, but was not in at the time Nageru was released. @@ -139,7 +129,7 @@ type meson obj && cd obj && ninja -To start Nageru, just hook up your equipment, and then type “./nageru”. +To start Nageru, hook up your equipment, and then type “./nageru”. For Futatabi documentation, please see https://nageru.sesse.net/doc/. It is strongly recommended to have the rights to run at real-time priority;