On 7/13/2025 8:35 AM, Timo Rothenpieler wrote:
On 7/13/2025 4:59 AM, James Almer wrote:On 7/12/2025 9:32 PM, Michael Niedermayer wrote:On Fri, Jul 11, 2025 at 04:04:17PM +0000, Timo Rothenpieler wrote:ffmpeg | branch: master | Timo Rothenpieler <t...@rothenpieler.org> | Tue Jun 24 19:30:19 2025 +0200| [90fa9636efff84ec5a4b06815722c08188dca551] | committer: Timo Rothenpieleravformat/tls_schannel: add DTLS supporthttp://git.videolan.org/gitweb.cgi/ffmpeg.git/? a=commit;h=90fa9636efff84ec5a4b06815722c08188dca551--- configure | 6 +-libavformat/tls_schannel.c | 890 +++++++++++++++++++++++++++++++++ + +++++++----libavformat/version.h | 2 +- 3 files changed, 833 insertions(+), 65 deletions(-)breaks on mingw64 src/libavformat/tls_schannel.c: In function ‘ff_dtls_export_materials’:src/libavformat/tls_schannel.c:606:5: error: unknown type name ‘SecPkgContext_KeyingMaterialInfo’; did you mean ‘SecPkgContext_NegotiationInfo’?This type (and probably everything below) is API introduced on Windows 10, so unless you build targeting _WIN32_WINNT >= 0x0A00, it will not be defined.So i guess we should make the tls_schannel.c force that value, like so:It builds fine for me without doing that.
It may be you're using a newer mingw64 release that doesn't wrap those structs and defines in _WIN32_WINNT wrappers whereas Michael is using an older one provided by a stable distro as a crosscompiler package which does. That, or Michael's mingw64 release doesn't even have them, which is the most likely scenario.
If it's the latter, then a configure check would need to be added like
check_type "windows.h security.h schnlsp.h" "SecPkgContext_KeyingMaterialInfo"
And then make the dtls_protocol depend on it if using schannel, and wrappers added to tls_schannel.c where needed.
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