diff options
Diffstat (limited to 'osdep/windows_utils.c')
| -rw-r--r-- | osdep/windows_utils.c | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/osdep/windows_utils.c b/osdep/windows_utils.c new file mode 100644 index 0000000..8cedf93 --- /dev/null +++ b/osdep/windows_utils.c @@ -0,0 +1,229 @@ +/* + * 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/>. + */ + +#include <inttypes.h> +#include <stdatomic.h> +#include <stdio.h> + +#include <windows.h> +#include <errors.h> +#include <audioclient.h> +#include <d3d9.h> +#include <dxgi1_2.h> + +#include "common/common.h" +#include "windows_utils.h" + +char *mp_GUID_to_str_buf(char *buf, size_t buf_size, const GUID *guid) +{ + snprintf(buf, buf_size, + "{%8.8x-%4.4x-%4.4x-%2.2x%2.2x-%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x}", + (unsigned) guid->Data1, guid->Data2, guid->Data3, + guid->Data4[0], guid->Data4[1], + guid->Data4[2], guid->Data4[3], + guid->Data4[4], guid->Data4[5], + guid->Data4[6], guid->Data4[7]); + return buf; +} + +static char *hresult_to_str(const HRESULT hr) +{ +#define E(x) case x : return # x ; + switch (hr) { + E(S_OK) + E(S_FALSE) + E(E_FAIL) + E(E_OUTOFMEMORY) + E(E_POINTER) + E(E_HANDLE) + E(E_NOTIMPL) + E(E_INVALIDARG) + E(E_PROP_ID_UNSUPPORTED) + E(E_NOINTERFACE) + E(REGDB_E_IIDNOTREG) + E(CO_E_NOTINITIALIZED) + E(AUDCLNT_E_NOT_INITIALIZED) + E(AUDCLNT_E_ALREADY_INITIALIZED) + E(AUDCLNT_E_WRONG_ENDPOINT_TYPE) + E(AUDCLNT_E_DEVICE_INVALIDATED) + E(AUDCLNT_E_NOT_STOPPED) + E(AUDCLNT_E_BUFFER_TOO_LARGE) + E(AUDCLNT_E_OUT_OF_ORDER) + E(AUDCLNT_E_UNSUPPORTED_FORMAT) + E(AUDCLNT_E_INVALID_SIZE) + E(AUDCLNT_E_DEVICE_IN_USE) + E(AUDCLNT_E_BUFFER_OPERATION_PENDING) + E(AUDCLNT_E_THREAD_NOT_REGISTERED) + E(AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED) + E(AUDCLNT_E_ENDPOINT_CREATE_FAILED) + E(AUDCLNT_E_SERVICE_NOT_RUNNING) + E(AUDCLNT_E_EVENTHANDLE_NOT_EXPECTED) + E(AUDCLNT_E_EXCLUSIVE_MODE_ONLY) + E(AUDCLNT_E_BUFDURATION_PERIOD_NOT_EQUAL) + E(AUDCLNT_E_EVENTHANDLE_NOT_SET) + E(AUDCLNT_E_INCORRECT_BUFFER_SIZE) + E(AUDCLNT_E_BUFFER_SIZE_ERROR) + E(AUDCLNT_E_CPUUSAGE_EXCEEDED) + E(AUDCLNT_E_BUFFER_ERROR) + E(AUDCLNT_E_BUFFER_SIZE_NOT_ALIGNED) + E(AUDCLNT_E_INVALID_DEVICE_PERIOD) + E(AUDCLNT_E_INVALID_STREAM_FLAG) + E(AUDCLNT_E_ENDPOINT_OFFLOAD_NOT_CAPABLE) + E(AUDCLNT_E_RESOURCES_INVALIDATED) + E(AUDCLNT_S_BUFFER_EMPTY) + E(AUDCLNT_S_THREAD_ALREADY_REGISTERED) + E(AUDCLNT_S_POSITION_STALLED) + E(D3DERR_WRONGTEXTUREFORMAT) + E(D3DERR_UNSUPPORTEDCOLOROPERATION) + E(D3DERR_UNSUPPORTEDCOLORARG) + E(D3DERR_UNSUPPORTEDALPHAOPERATION) + E(D3DERR_UNSUPPORTEDALPHAARG) + E(D3DERR_TOOMANYOPERATIONS) + E(D3DERR_CONFLICTINGTEXTUREFILTER) + E(D3DERR_UNSUPPORTEDFACTORVALUE) + E(D3DERR_CONFLICTINGRENDERSTATE) + E(D3DERR_UNSUPPORTEDTEXTUREFILTER) + E(D3DERR_CONFLICTINGTEXTUREPALETTE) + E(D3DERR_DRIVERINTERNALERROR) + E(D3DERR_NOTFOUND) + E(D3DERR_MOREDATA) + E(D3DERR_DEVICELOST) + E(D3DERR_DEVICENOTRESET) + E(D3DERR_NOTAVAILABLE) + E(D3DERR_OUTOFVIDEOMEMORY) + E(D3DERR_INVALIDDEVICE) + E(D3DERR_INVALIDCALL) + E(D3DERR_DRIVERINVALIDCALL) + E(D3DERR_WASSTILLDRAWING) + E(D3DOK_NOAUTOGEN) + E(D3DERR_DEVICEREMOVED) + E(D3DERR_DEVICEHUNG) + E(S_NOT_RESIDENT) + E(S_RESIDENT_IN_SHARED_MEMORY) + E(S_PRESENT_MODE_CHANGED) + E(S_PRESENT_OCCLUDED) + E(D3DERR_UNSUPPORTEDOVERLAY) + E(D3DERR_UNSUPPORTEDOVERLAYFORMAT) + E(D3DERR_CANNOTPROTECTCONTENT) + E(D3DERR_UNSUPPORTEDCRYPTO) + E(D3DERR_PRESENT_STATISTICS_DISJOINT) + E(DXGI_ERROR_DEVICE_HUNG) + E(DXGI_ERROR_DEVICE_REMOVED) + E(DXGI_ERROR_DEVICE_RESET) + E(DXGI_ERROR_DRIVER_INTERNAL_ERROR) + E(DXGI_ERROR_INVALID_CALL) + E(DXGI_ERROR_WAS_STILL_DRAWING) + E(DXGI_STATUS_OCCLUDED) + default: + return "<Unknown>"; + } +#undef E +} + +static char *fmtmsg_buf(char *buf, size_t buf_size, DWORD errorID) +{ + DWORD n = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | + FORMAT_MESSAGE_IGNORE_INSERTS, + NULL, errorID, 0, buf, buf_size, NULL); + if (!n && GetLastError() == ERROR_MORE_DATA) { + snprintf(buf, buf_size, + "<Insufficient buffer size (%zd) for error message>", + buf_size); + } else { + if (n > 0 && buf[n-1] == '\n') + buf[n-1] = '\0'; + if (n > 1 && buf[n-2] == '\r') + buf[n-2] = '\0'; + } + return buf; +} +#define fmtmsg(hr) fmtmsg_buf((char[243]){0}, 243, (hr)) + +char *mp_HRESULT_to_str_buf(char *buf, size_t buf_size, HRESULT hr) +{ + char* msg = fmtmsg(hr); + msg = msg[0] ? msg : hresult_to_str(hr); + snprintf(buf, buf_size, "%s (0x%"PRIx32")", msg, (uint32_t)hr); + return buf; +} + +bool mp_w32_create_anon_pipe(HANDLE *server, HANDLE *client, + struct w32_create_anon_pipe_opts *opts) +{ + static atomic_ulong counter = 0; + + // Generate pipe name + unsigned long id = atomic_fetch_add(&counter, 1); + unsigned pid = GetCurrentProcessId(); + wchar_t buf[36]; + swprintf(buf, MP_ARRAY_SIZE(buf), L"\\\\.\\pipe\\mpv-anon-%08x-%08lx", + pid, id); + + DWORD client_access = 0; + DWORD out_buffer = opts->out_buf_size; + DWORD in_buffer = opts->in_buf_size; + + if (opts->server_flags & PIPE_ACCESS_INBOUND) { + client_access |= FILE_GENERIC_WRITE | FILE_READ_ATTRIBUTES; + if (!in_buffer) + in_buffer = 4096; + } + if (opts->server_flags & PIPE_ACCESS_OUTBOUND) { + client_access |= FILE_GENERIC_READ | FILE_WRITE_ATTRIBUTES; + if (!out_buffer) + out_buffer = 4096; + } + + SECURITY_ATTRIBUTES inherit_sa = { + .nLength = sizeof inherit_sa, + .bInheritHandle = TRUE, + }; + + // The function for creating anonymous pipes (CreatePipe) can't create + // overlapped pipes, so instead, use a named pipe with a unique name + *server = CreateNamedPipeW(buf, + opts->server_flags | FILE_FLAG_FIRST_PIPE_INSTANCE, + opts->server_mode | PIPE_REJECT_REMOTE_CLIENTS, + 1, out_buffer, in_buffer, 0, + opts->server_inheritable ? &inherit_sa : NULL); + if (*server == INVALID_HANDLE_VALUE) + goto error; + + // Open the write end of the pipe as a synchronous handle + *client = CreateFileW(buf, client_access, 0, + opts->client_inheritable ? &inherit_sa : NULL, + OPEN_EXISTING, + opts->client_flags | SECURITY_SQOS_PRESENT | + SECURITY_ANONYMOUS, NULL); + if (*client == INVALID_HANDLE_VALUE) { + CloseHandle(*server); + goto error; + } + + if (opts->client_mode) { + if (!SetNamedPipeHandleState(*client, &opts->client_mode, NULL, NULL)) { + CloseHandle(*server); + CloseHandle(*client); + goto error; + } + } + + return true; +error: + *server = *client = INVALID_HANDLE_VALUE; + return false; +} |