mpv/osdep/windows_utils.h

/*
 * This file is part of mpv.
 *
 * mpv is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * mpv is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with mpv.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef MP_WINDOWS_UTILS_H_
#define MP_WINDOWS_UTILS_H_

#include <windows.h>
#include <stdbool.h>

// Conditionally release a COM interface and set the pointer to NULL
#define SAFE_RELEASE(u) \
    do { if ((u) != NULL) (u)->lpVtbl->Release(u); (u) = NULL; } while(0)

char *mp_GUID_to_str_buf(char *buf, size_t buf_size, const GUID *guid);
#define mp_GUID_to_str(guid) mp_GUID_to_str_buf((char[40]){0}, 40, (guid))
char *mp_HRESULT_to_str_buf(char *buf, size_t buf_size, HRESULT hr);
#define mp_HRESULT_to_str(hr) mp_HRESULT_to_str_buf((char[256]){0}, 256, (hr))
#define mp_LastError_to_str() mp_HRESULT_to_str(HRESULT_FROM_WIN32(GetLastError()))

struct w32_create_anon_pipe_opts {
    DWORD server_flags;
    DWORD server_mode;
    bool server_inheritable;
    DWORD out_buf_size;
    DWORD in_buf_size;

    DWORD client_flags;
    DWORD client_mode;
    bool client_inheritable;
};

bool mp_w32_create_anon_pipe(HANDLE *server, HANDLE *client,
                             struct w32_create_anon_pipe_opts *opts);

#endif