![]() ![]() Change the generator command to match the version of VS you want to use. Using a text editor, open make-solutions.bat. It is likely there will not be one matching the newest version of Visual Studio, so use the latest one available (In my case it was vc12-x86_64) ![]() Find the directory that matches the VC compiler you want to use. Close the msys2 shell for now - we’ll relaunch later from a Visual Studio command promptĬreate the directory c:\third_party and cd from a command prompt to it. ![]() When the msys2 shell opens - use pacman to install the following: pacman -S gcc (thanks to Scott Davies for pointing this out) This is done so msys2 can use your existing PATH environment variable. With a text editor, open the file C:\tools\msys64\msys2_shell.cmd and un-comment the line rem set MSYS2_PATH_TYPE=inherit Download Msys2 installer for 64-bit and install to C:\tools\msys64.Add c:\tools\nasm to your PATH environment variable.Download NASM 2.13 or newer to C:\tools\nasm.NASM (x265 v2.6 and older will use YASM, new versions will use NASM).Add c:\tools\yasm to your PATH environment variable.Rename yasm-1.3.0-win64.exe (or whatever version) to yasm.exe.Download YASM 64-bit and copy to C:\tools\yasm.When installing VS 2017 - make sure you select the options for Desktop development with C so the C compiler and tools are installed.Visual Studio 2017 Community Edition (you can probably get most versions 2015 and newer to work).TortoiseHg - to get the x265 source code.Note: This guide will only build the 64-bit versions, but you should be able to adjust for 32-bit. Some of the steps will also detail some of the errors I ran into along the way - in case someone else runs into trouble, hopefully then it will show how to overcome any future hurdles. ![]() Here are the exact steps I did to build both ffmpeg and libx265 with Visual Studio 2017 on Windows. I discovered that by default - most ffmpeg builds include only 8-bit support for HEVC encoding with libx265.Ĭertainly, you can get builds that already enable 10 or even 12-bit support - but I’m usually a glutton for punishment so I thought I would see how hard it was to just build it manually. Incompatible pixel format 'yuv420p10le' for codec 'libx265', auto-selecting format 'yuv420p' So I was trying to create some 10-bit test HEVC content with ffmpeg and ran into the following error: ffmpeg -i "input.mkv" -c:v libx265 -preset slow -crf 18 -pix_fmt yuv420p10le -c:a copy -y output_10bit.mkv ![]()
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