初具模型的扫雷

2025-07-16 18:48:06 +08:00
commit 68eebdd09f
544 changed files with 242337 additions and 0 deletions
--- a/lib/SDL/test/testaudioinfo.c
+++ b/lib/SDL/test/testaudioinfo.c
@ -0,0 +1,114 @@
+/*
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely.
+*/
+#include <stdio.h>
+#include "SDL.h"
+#include "SDL_test.h"
+
+static void
+print_devices(int iscapture)
+{
+    SDL_AudioSpec spec;
+    const char *typestr = ((iscapture) ? "capture" : "output");
+    int n = SDL_GetNumAudioDevices(iscapture);
+
+    SDL_Log("Found %d %s device%s:\n", n, typestr, n != 1 ? "s" : "");
+
+    if (n == -1) {
+        SDL_Log("  Driver can't detect specific %s devices.\n\n", typestr);
+    } else if (n == 0) {
+        SDL_Log("  No %s devices found.\n\n", typestr);
+    } else {
+        int i;
+        for (i = 0; i < n; i++) {
+            const char *name = SDL_GetAudioDeviceName(i, iscapture);
+            if (name) {
+                SDL_Log("  %d: %s\n", i, name);
+            } else {
+                SDL_Log("  %d Error: %s\n", i, SDL_GetError());
+            }
+
+            if (SDL_GetAudioDeviceSpec(i, iscapture, &spec) == 0) {
+                SDL_Log("     Sample Rate: %d\n", spec.freq);
+                SDL_Log("     Channels: %d\n", spec.channels);
+                SDL_Log("     SDL_AudioFormat: %X\n", spec.format);
+            }
+        }
+        SDL_Log("\n");
+    }
+}
+
+int main(int argc, char **argv)
+{
+    char *deviceName = NULL;
+    SDL_AudioSpec spec;
+    int n;
+    SDLTest_CommonState *state;
+
+    state = SDLTest_CommonCreateState(argv, SDL_INIT_AUDIO);
+    if (!state) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDLTest_CommonCreateState failed: %s\n", SDL_GetError());
+        return 1;
+    }
+
+    /* Enable standard application logging */
+    SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
+
+    if (!SDLTest_CommonDefaultArgs(state, argc, argv)) {
+        return 1;
+    }
+
+    if (!SDLTest_CommonInit(state)) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
+        return 1;
+    }
+
+    /* Print available audio drivers */
+    n = SDL_GetNumAudioDrivers();
+    if (n == 0) {
+        SDL_Log("No built-in audio drivers\n\n");
+    } else {
+        int i;
+        SDL_Log("Built-in audio drivers:\n");
+        for (i = 0; i < n; ++i) {
+            SDL_Log("  %d: %s\n", i, SDL_GetAudioDriver(i));
+        }
+        SDL_Log("Select a driver with the SDL_AUDIODRIVER environment variable.\n");
+    }
+
+    SDL_Log("Using audio driver: %s\n\n", SDL_GetCurrentAudioDriver());
+
+    print_devices(0);
+    print_devices(1);
+
+    if (SDL_GetDefaultAudioInfo(&deviceName, &spec, 0) < 0) {
+        SDL_Log("Error when calling SDL_GetDefaultAudioInfo: %s\n", SDL_GetError());
+    } else {
+        SDL_Log("Default Output Name: %s\n", deviceName ? deviceName : "unknown");
+        SDL_free(deviceName);
+        SDL_Log("Sample Rate: %d\n", spec.freq);
+        SDL_Log("Channels: %d\n", spec.channels);
+        SDL_Log("SDL_AudioFormat: %X\n", spec.format);
+    }
+
+    if (SDL_GetDefaultAudioInfo(&deviceName, &spec, 1) < 0) {
+        SDL_Log("Error when calling SDL_GetDefaultAudioInfo: %s\n", SDL_GetError());
+    } else {
+        SDL_Log("Default Capture Name: %s\n", deviceName ? deviceName : "unknown");
+        SDL_free(deviceName);
+        SDL_Log("Sample Rate: %d\n", spec.freq);
+        SDL_Log("Channels: %d\n", spec.channels);
+        SDL_Log("SDL_AudioFormat: %X\n", spec.format);
+    }
+
+    SDLTest_CommonQuit(state);
+    return 0;
+}