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* win32: implement shell link target resolvingnanahi2024-03-191-0/+4
| | | | | Adds a function to resolve the target of a shell link (Windows shortcut) for use by other parts of mpv.
* subprocess-win: update to mp_subprocess2James Ross-Gowan2020-07-201-0/+16
| | | | | | | | | | | | | | | | | | | This fixes the "run" and "subprocess" commands on Windows, including youtube-dl support. Unix-like FD inheritance is emulated on Windows by using an undocumented data structure[1] that gets passed to the newly created process in STARTUPINFO.lpReserved2. It consists of two sparse arrays listing the HANDLE and internal CRT flags corresponding to each FD. This structure is used and understood primarily by MSVCRT, but there are other runtimes and frameworks that can write it, like libuv. The code for creating asynchronous "anonymous" pipes in Windows has been enhanced and moved into windows_utils.c. This is mainly an artifact of an unfinished future change to support anonymous IPC clients in Windows. Right now, it's still only used in subprocess-win.c [1]: https://www.catch22.net/tuts/undocumented-createprocess
* win32: add COM-specific SAFE_RELEASE to windows_utils.hJames Ross-Gowan2017-01-301-0/+4
| | | | | | | | | | | | | | | See: https://msdn.microsoft.com/en-us/library/windows/desktop/dd743946.aspx Microsoft example code often uses a SAFE_RELEASE macro like the one in the above link. This makes it easier to avoid errors when releasing COM interfaces. It also reduces noise in COM-heavy code. ao_wasapi.h also had a macro called SAFE_RELEASE, though unlike the version above, its SAFE_RELEASE macro accepted a second parameter which allowed it to destroy arbitrary objects other than just COM interfaces. This renames ao_wasapi's SAFE_RELEASE to SAFE_DESTROY, which should more accurately reflect what it does and prevent confusion with the Microsoft version.
* windows_utils: try and use FormatMessage for errors.Kevin Mitchell2016-02-171-1/+1
| | | | | | This is useful in particular for GetLastError, unfortunately, it's stil pretty dumb with regards to WASAPI or D3D specific errors, so keep the hresult_to_string switch.
* ao_wasapi: move out some utility functionswm42016-01-111-0/+29
Note that hresult_to_str() (coming from wasapi_explain_err()) is mostly wasapi-specific, but since HRESULT error codes are unique, it can be extended for any other use.