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/*
* 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;
}
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