Squashed 'external/SDL/' content from commit 716c767b7

git-subtree-dir: external/SDL git-subtree-split: 716c767b7e7099fb0e2fda9db59227a7e1d1d8a4
2026-05-13 17:47:57 +02:00
commit 411251c624
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+/*
+  Copyright (C) 1997-2026 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 <SDL3/SDL.h>
+#include <SDL3/SDL_main.h>
+#include <SDL3/SDL_test.h>
+
+static void
+print_devices(bool recording)
+{
+    SDL_AudioSpec spec;
+    const char *typestr = (recording ? "recording" : "playback");
+    int n = 0;
+    int frames;
+    SDL_AudioDeviceID *devices = recording ? SDL_GetAudioRecordingDevices(&n) : SDL_GetAudioPlaybackDevices(&n);
+
+    if (!devices) {
+        SDL_Log("  Driver failed to report %s devices: %s", typestr, SDL_GetError());
+        SDL_Log("%s", "");
+    } else if (n == 0) {
+        SDL_Log("  No %s devices found.", typestr);
+        SDL_Log("%s", "");
+    } else {
+        int i;
+        SDL_Log("Found %d %s device%s:", n, typestr, n != 1 ? "s" : "");
+        for (i = 0; i < n; i++) {
+            const char *name = SDL_GetAudioDeviceName(devices[i]);
+            if (name) {
+                SDL_Log("  %d: %s", i, name);
+            } else {
+                SDL_Log("  %d Error: %s", i, SDL_GetError());
+            }
+
+            if (SDL_GetAudioDeviceFormat(devices[i], &spec, &frames)) {
+                SDL_Log("     Sample Rate: %d", spec.freq);
+                SDL_Log("     Channels: %d", spec.channels);
+                SDL_Log("     SDL_AudioFormat: %X", spec.format);
+                SDL_Log("     Buffer Size: %d frames", frames);
+            }
+        }
+        SDL_Log("%s", "");
+    }
+    SDL_free(devices);
+}
+
+int main(int argc, char **argv)
+{
+    SDL_AudioSpec spec;
+    int i;
+    int n;
+    int frames;
+    SDLTest_CommonState *state;
+
+    /* Initialize test framework */
+    state = SDLTest_CommonCreateState(argv, 0);
+    if (!state) {
+        return 1;
+    }
+
+    /* Parse commandline */
+    if (!SDLTest_CommonDefaultArgs(state, argc, argv)) {
+        return 1;
+    }
+
+    /* Load the SDL library */
+    if (!SDL_Init(SDL_INIT_AUDIO)) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s", SDL_GetError());
+        return 1;
+    }
+
+    /* Print available audio drivers */
+    n = SDL_GetNumAudioDrivers();
+    if (n == 0) {
+        SDL_Log("No built-in audio drivers");
+        SDL_Log("%s", "");
+    } else {
+        SDL_Log("Built-in audio drivers:");
+        for (i = 0; i < n; ++i) {
+            SDL_Log("  %d: %s", i, SDL_GetAudioDriver(i));
+        }
+        SDL_Log("Select a driver with the SDL_AUDIO_DRIVER environment variable.");
+    }
+
+    SDL_Log("Using audio driver: %s", SDL_GetCurrentAudioDriver());
+    SDL_Log("%s", "");
+
+    print_devices(false);
+    print_devices(true);
+
+    if (SDL_GetAudioDeviceFormat(SDL_AUDIO_DEVICE_DEFAULT_PLAYBACK, &spec, &frames)) {
+        SDL_Log("Default Playback Device:");
+        SDL_Log("Sample Rate: %d", spec.freq);
+        SDL_Log("Channels: %d", spec.channels);
+        SDL_Log("SDL_AudioFormat: %X", spec.format);
+        SDL_Log("Buffer Size: %d frames", frames);
+    } else {
+        SDL_Log("Error when calling SDL_GetAudioDeviceFormat(default playback): %s", SDL_GetError());
+    }
+
+    if (SDL_GetAudioDeviceFormat(SDL_AUDIO_DEVICE_DEFAULT_RECORDING, &spec, &frames)) {
+        SDL_Log("Default Recording Device:");
+        SDL_Log("Sample Rate: %d", spec.freq);
+        SDL_Log("Channels: %d", spec.channels);
+        SDL_Log("SDL_AudioFormat: %X", spec.format);
+        SDL_Log("Buffer Size: %d frames", frames);
+    } else {
+        SDL_Log("Error when calling SDL_GetAudioDeviceFormat(default recording): %s", SDL_GetError());
+    }
+
+    SDL_Quit();
+    SDLTest_CommonDestroyState(state);
+    return 0;
+}
+