On Mon, 2023-02-06 at 14:25 +0900, Takashi Yano via Cygwin-apps wrote: > On Mon, 06 Feb 2023 00:16:45 -0500 > Yaakov Selkowitz via Cygwin-apps <cygwin-apps@cygwin.com> wrote: > > > On Sun, 2023-02-05 at 22:11 -0700, Brian Inglis wrote: > > > On 2023-02-05 19:44, Yaakov Selkowitz via Cygwin-apps wrote: > > > > On Sun, 2023-02-05 at 17:37 +0900, Takashi Yano via Cygwin-apps wrote: > > > > > I would like to propose new package openh264, which is > > > > > a H264 video codec library. This is needed by ffmpeg > > > > > package I had proposed, and also provided for ffmpeg-free > > > > > package in fedora. > > > > > > > > > > I already prepared the package at the following location. > > > > > > > > > > https://tyan0.yr32.net/cygwin/x86_64/release/openh264/ > > > > > > > Unfortunately, this cannot be included in the Cygwin distribution. > > > > Cisco's > > > > patent license only covers binaries they distribute. Fedora has a > > > > special > > > > arrangement with Cisco where they build their RPMs on Fedora > > > > infrastructure, > > > > but the packages are hosted by Cisco in a separate repository. > > > > > > http://www.openh264.org/ > > > "Cisco has taken their H.264 implementation, and open sourced it under > > > BSD > > > license terms. Development and maintenance will be overseen by a board > > > from > > > industry and the open source community. Furthermore, we have provided a > > > binary > > > form suitable for inclusion in applications across a number of different > > > operating systems, and make this binary module available for download > > > from > > > the > > > Internet. We will not pass on our MPEG-LA licensing costs for this > > > module, > > > and > > > based on the current licensing environment, this will effectively make > > > H.264 > > > free for use on supported platforms." > > > > This is exactly the point. Cisco paid for a license, but that license is > > limited to binaries they distribute. Unfortunately, I doubt that Cisco > > will > > do the same for Cygwin. > > OK. How about distributing only headers as cygwin package > for building ffmpeg?
The Fedora package includes openh264 headers and a patch which will dlopen() libopenh264 if present. These could be used (with the modification libopenh264.so.N -> cygopenh264-N.dll of course) in the Cygwin package. -- Yaakov
