1 files changed, 93 insertions, 0 deletions
diff --git a/osdep/main-fn-win.c b/osdep/main-fn-win.c
new file mode 100644
index 0000000..16ea80b
--- /dev/null
+++ b/osdep/main-fn-win.c
@@ -0,0 +1,93 @@
+#include <windows.h>
+
+#ifndef BASE_SEARCH_PATH_ENABLE_SAFE_SEARCHMODE
+#define BASE_SEARCH_PATH_ENABLE_SAFE_SEARCHMODE (0x0001)
+#endif
+
+#include "common/common.h"
+#include "osdep/io.h"
+#include "osdep/terminal.h"
+#include "osdep/main-fn.h"
+
+#ifndef HEAP_OPTIMIZE_RESOURCES_CURRENT_VERSION
+
+#define HEAP_OPTIMIZE_RESOURCES_CURRENT_VERSION  1
+enum { HeapOptimizeResources = 3 };
+
+struct HEAP_OPTIMIZE_RESOURCES_INFORMATION {
+    DWORD Version;
+    DWORD Flags;
+};
+
+#endif
+
+static bool is_valid_handle(HANDLE h)
+{
+    return h != INVALID_HANDLE_VALUE && h != NULL &&
+           GetFileType(h) != FILE_TYPE_UNKNOWN;
+}
+
+static bool has_redirected_stdio(void)
+{
+    return is_valid_handle(GetStdHandle(STD_INPUT_HANDLE)) ||
+           is_valid_handle(GetStdHandle(STD_OUTPUT_HANDLE)) ||
+           is_valid_handle(GetStdHandle(STD_ERROR_HANDLE));
+}
+
+static void microsoft_nonsense(void)
+{
+    // stop Windows from showing all kinds of annoying error dialogs
+    SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
+
+    // Enable heap corruption detection
+    HeapSetInformation(NULL, HeapEnableTerminationOnCorruption, NULL, 0);
+
+    // Allow heap cache optimization and memory decommit
+    struct HEAP_OPTIMIZE_RESOURCES_INFORMATION heap_info = {
+        .Version = HEAP_OPTIMIZE_RESOURCES_CURRENT_VERSION
+    };
+    HeapSetInformation(NULL, HeapOptimizeResources, &heap_info,
+                       sizeof(heap_info));
+
+    // Always use safe search paths for DLLs and other files, ie. never use the
+    // current directory
+    SetDllDirectoryW(L"");
+    SetSearchPathMode(BASE_SEARCH_PATH_ENABLE_SAFE_SEARCHMODE |
+                      BASE_SEARCH_PATH_PERMANENT);
+}
+
+int main(int argc_, char **argv_)
+{
+    microsoft_nonsense();
+
+    // If started from the console wrapper (see osdep/win32-console-wrapper.c),
+    // attach to the console and set up the standard IO handles
+    bool has_console = terminal_try_attach();
+
+    // If mpv is started from Explorer, the Run dialog or the Start Menu, it
+    // will have no console and no standard IO handles. In this case, the user
+    // is expecting mpv to show some UI, so enable the pseudo-GUI profile.
+    bool gui = !has_console && !has_redirected_stdio();
+
+    int argc = 0;
+    wchar_t **argv = CommandLineToArgvW(GetCommandLineW(), &argc);
+
+    int argv_len = 0;
+    char **argv_u8 = NULL;
+
+    // Build mpv's UTF-8 argv, and add the pseudo-GUI profile if necessary
+    if (argc > 0 && argv[0])
+        MP_TARRAY_APPEND(NULL, argv_u8, argv_len, mp_to_utf8(argv_u8, argv[0]));
+    if (gui) {
+        MP_TARRAY_APPEND(NULL, argv_u8, argv_len,
+                         "--player-operation-mode=pseudo-gui");
+    }
+    for (int i = 1; i < argc; i++)
+        MP_TARRAY_APPEND(NULL, argv_u8, argv_len, mp_to_utf8(argv_u8, argv[i]));
+    MP_TARRAY_APPEND(NULL, argv_u8, argv_len, NULL);
+
+    int ret = mpv_main(argv_len - 1, argv_u8);
+
+    talloc_free(argv_u8);
+    return ret;
+}