new examples for dmon, miniaudio and termbox2

built in extensions are fun! the tutorial documentation now links these
dyne · Dec 17, 2024 · 9b08cf4 · 9b08cf4
1 parent 7801f7d
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diff --git a/examples/dmon.c b/examples/dmon.c
@@ -0,0 +1,40 @@
+#include <stdio.h>
+#include <dmon.h>
+
+static void watch_callback(dmon_watch_id watch_id,
+                           dmon_action action,
+                           const char* rootdir,
+                           const char* filepath,
+                           const char* oldfilepath,
+                           void* user) {
+    (void)(user);
+    (void)(watch_id);
+    switch (action) {
+    case DMON_ACTION_CREATE:
+        fprintf(stderr,"CREATE: [%s]%s\n", rootdir, filepath);
+        break;
+    case DMON_ACTION_DELETE:
+        fprintf(stderr,"DELETE: [%s]%s\n", rootdir, filepath);
+        break;
+    case DMON_ACTION_MODIFY:
+        fprintf(stderr,"MODIFY: [%s]%s\n", rootdir, filepath);
+        break;
+    case DMON_ACTION_MOVE:
+        fprintf(stderr,"MOVE: [%s]%s -> [%s]%s\n", rootdir, oldfilepath, rootdir, filepath);
+        break;
+    }
+}
+
+int main(int argc, char* argv[]) {
+    if (argc > 1) {
+        dmon_init();
+        puts("waiting for changes ..");
+        dmon_watch(argv[1], watch_callback, DMON_WATCHFLAGS_RECURSIVE, NULL);
+        getchar();
+        dmon_deinit();
+    } else {
+        puts("usage: test dirname");
+    }
+    return 0;
+}
+
diff --git a/examples/miniaudio.c b/examples/miniaudio.c
@@ -0,0 +1,76 @@
+#define MA_NO_DECODING
+#define MA_NO_ENCODING
+#define MINIAUDIO_IMPLEMENTATION
+#include <miniaudio.h>
+
+#include <stdio.h>
+
+#ifdef __EMSCRIPTEN__
+#include <emscripten.h>
+
+void main_loop__em()
+{
+}
+#endif
+
+#define DEVICE_FORMAT       ma_format_f32
+#define DEVICE_CHANNELS     2
+#define DEVICE_SAMPLE_RATE  48000
+
+void data_callback(ma_device* pDevice, void* pOutput, const void* pInput, ma_uint32 frameCount)
+{
+    ma_waveform* pSineWave;
+
+    MA_ASSERT(pDevice->playback.channels == DEVICE_CHANNELS);
+
+    pSineWave = (ma_waveform*)pDevice->pUserData;
+    MA_ASSERT(pSineWave != NULL);
+
+    ma_waveform_read_pcm_frames(pSineWave, pOutput, frameCount, NULL);
+
+    (void)pInput;   /* Unused. */
+}
+
+int main(int argc, char** argv)
+{
+    ma_waveform sineWave;
+    ma_device_config deviceConfig;
+    ma_device device;
+    ma_waveform_config sineWaveConfig;
+
+    deviceConfig = ma_device_config_init(ma_device_type_playback);
+    deviceConfig.playback.format   = DEVICE_FORMAT;
+    deviceConfig.playback.channels = DEVICE_CHANNELS;
+    deviceConfig.sampleRate        = DEVICE_SAMPLE_RATE;
+    deviceConfig.dataCallback      = data_callback;
+    deviceConfig.pUserData         = &sineWave;
+
+    if (ma_device_init(NULL, &deviceConfig, &device) != MA_SUCCESS) {
+        printf("Failed to open playback device.\n");
+        return -4;
+    }
+
+    printf("Device Name: %s\n", device.playback.name);
+
+    sineWaveConfig = ma_waveform_config_init(device.playback.format, device.playback.channels, device.sampleRate, ma_waveform_type_sine, 0.2, 220);
+    ma_waveform_init(&sineWaveConfig, &sineWave);
+
+    if (ma_device_start(&device) != MA_SUCCESS) {
+        printf("Failed to start playback device.\n");
+        ma_device_uninit(&device);
+        return -5;
+    }
+
+#ifdef __EMSCRIPTEN__
+    emscripten_set_main_loop(main_loop__em, 0, 1);
+#else
+    printf("Press Enter to quit...\n");
+    getchar();
+#endif
+
+    ma_device_uninit(&device);
+
+    (void)argc;
+    (void)argv;
+    return 0;
+}