From 37e31c11d332017311dd4e9cb15e93941e069a0e Mon Sep 17 00:00:00 2001 From: "Steinar H. Gunderson" Date: Fri, 22 Jul 2016 11:08:27 +0200 Subject: [PATCH] libusb 1.0.21-rc1 has been released. --- README | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/README b/README index 64f43f8..14b9211 100644 --- a/README +++ b/README @@ -36,7 +36,9 @@ Nageru is in beta stage. It currently needs: - Two or more Blackmagic USB3 or PCI cards, either HDMI or SDI. The PCI cards need Blackmagic's own drivers installed. The USB3 cards are driven through the “bmusb” driver embedded in bmusb/, using libusb-1.0. - You want a recent kernel (4.6.0 or newer) and libusb-1.0; see below. + If you want zerocopy USB, you need libusb 1.0.21-rc1 or newer, + as well as a recent kernel (4.6.0 or newer). Zerocopy USB helps not only + for performance, but also for stability. - Movit, my GPU-based video filter library (https://movit.sesse.net). You will need at least version 1.3.1. @@ -73,9 +75,7 @@ with: Exceptions as of July 2016: - - You need libusb 1.0.21 or newer (not yet released; you will need to - use git) if you want zerocopy USB. Zerocopy USB helps not only for - performance, but also for stability. + - libusb 1.0.21-rc1 is not yet in Debian. The patches/ directory contains a patch that helps zita-resampler performance. -- 2.39.2