list_devices example: more detailed output

example/list_devices.c

@@ -31,27 +31,31 @@ static void print_channel_layout(const struct SoundIoChannelLayout *layout) {
 }
 
 static void print_device(struct SoundIoDevice *device, bool is_default) {
-    const char *purpose_str;
+    const char *default_str = is_default ? " (default)" : "";
-    const char *default_str;
+    const char *raw_str = device->is_raw ? " (raw)" : "";
-    const char *raw_str;
+    fprintf(stderr, "%s%s%s\n", device->description, default_str, raw_str);
-    if (soundio_device_purpose(device) == SoundIoDevicePurposeOutput) {
+    fprintf(stderr, "  name: %s\n", device->name);
-        purpose_str = "playback";
+
-        default_str = is_default ? " (default)" : "";
-    } else {
-        purpose_str = "recording";
-        default_str = is_default ? " (default)" : "";
-    }
-    raw_str = device->is_raw ? "(raw) " : "";
-    const char *description = soundio_device_description(device);
-    int sample_rate = device->sample_rate_max;
-    fprintf(stderr, "%s%s device: ", raw_str, purpose_str);
     if (device->probe_error) {
-        fprintf(stderr, "[%s] %s%s\n", soundio_strerror(device->probe_error),
+        fprintf(stderr, "  probe error: %s\n", soundio_strerror(device->probe_error));
-                description, default_str);
     } else {
-        print_channel_layout(soundio_device_channel_layout(device));
+        fprintf(stderr, "  channel layout: ");
-        fprintf(stderr, " %d Hz %s%s\n", sample_rate, description, default_str);
+        print_channel_layout(&device->channel_layout);
+        fprintf(stderr, "\n");
+        fprintf(stderr, "  min sample rate: %d\n", device->sample_rate_min);
+        fprintf(stderr, "  max sample rate: %d\n", device->sample_rate_max);
+        if (device->sample_rate_current)
+            fprintf(stderr, "  current sample rate: %d\n", device->sample_rate_current);
+        fprintf(stderr, "  formats: ");
+        for (int i = 0; i < device->format_count; i += 1) {
+            const char *comma = (i == device->format_count - 1) ? "" : ", ";
+            fprintf(stderr, "%s%s", soundio_format_string(device->formats[i]), comma);
+        }
+        fprintf(stderr, "\n");
+        if (device->current_format != SoundIoFormatInvalid)
+            fprintf(stderr, "  current format: %s\n", soundio_format_string(device->current_format));
     }
+    fprintf(stderr, "\n");
 }
 
 static int list_devices(struct SoundIo *soundio) {
@@ -61,18 +65,20 @@ static int list_devices(struct SoundIo *soundio) {
     int default_output = soundio_get_default_output_device_index(soundio);
     int default_input = soundio_get_default_input_device_index(soundio);
 
+    fprintf(stderr, "--------Input Devices--------\n\n");
     for (int i = 0; i < input_count; i += 1) {
         struct SoundIoDevice *device = soundio_get_input_device(soundio, i);
         print_device(device, default_input == i);
         soundio_device_unref(device);
     }
+    fprintf(stderr, "\n--------Output Devices--------\n\n");
     for (int i = 0; i < output_count; i += 1) {
         struct SoundIoDevice *device = soundio_get_output_device(soundio, i);
         print_device(device, default_output == i);
         soundio_device_unref(device);
     }
 
-    fprintf(stderr, "%d devices found\n", input_count + output_count);
+    fprintf(stderr, "\n%d devices found\n", input_count + output_count);
     return 0;
 }
 

example/microphone.c

@@ -64,13 +64,10 @@ int main(int argc, char **argv) {
     if (!in_device)
         panic("could not get input device: out of memory");
 
-    fprintf(stderr, "Input device: %s\n", soundio_device_description(in_device));
+    fprintf(stderr, "Input device: %s\n", in_device->description);
-    fprintf(stderr, "Output device: %s\n", soundio_device_description(out_device));
+    fprintf(stderr, "Output device: %s\n", out_device->description);
 
-    const struct SoundIoChannelLayout *in_layout = soundio_device_channel_layout(in_device);
+    if (!soundio_channel_layout_equal(&in_device->channel_layout, &out_device->channel_layout))
-    const struct SoundIoChannelLayout *out_layout = soundio_device_channel_layout(out_device);
-
-    if (!soundio_channel_layout_equal(in_layout, out_layout))
         panic("channel layouts not compatible");
 
     double latency = 0.1;

example/sine.c

@@ -85,9 +85,7 @@ int main(int argc, char **argv) {
     if (!device)
         panic("could not get output device: out of memory");
 
-    fprintf(stderr, "Output device: %s: %s\n",
+    fprintf(stderr, "Output device: %s: %s\n", device->name, device->description);
-            soundio_device_name(device),
-            soundio_device_description(device));
 
     struct SoundIoOutStream *out_stream;
     soundio_out_stream_create(device, SoundIoFormatFloat32NE, 48000,

src/soundio.h

@@ -186,7 +186,7 @@ struct SoundIoDevice {
     struct SoundIo *soundio;
 
     // `name` uniquely identifies this device. `description` is user-friendly
-    // text to describe the device.
+    // text to describe the device. These fields are UTF-8 encoded.
     char *name;
     char *description;
 
@@ -392,14 +392,6 @@ int soundio_get_default_output_device_index(struct SoundIo *soundio);
 void soundio_device_ref(struct SoundIoDevice *device);
 void soundio_device_unref(struct SoundIoDevice *device);
 
-// the name is the identifier for the device. UTF-8 encoded
-const char *soundio_device_name(const struct SoundIoDevice *device);
-
-// UTF-8 encoded
-const char *soundio_device_description(const struct SoundIoDevice *device);
-
-const struct SoundIoChannelLayout *soundio_device_channel_layout(const struct SoundIoDevice *device);
-
 bool soundio_device_equal(
         const struct SoundIoDevice *a,
         const struct SoundIoDevice *b);

test/unit_tests.cpp

@@ -34,8 +34,6 @@ static void test_create_out_stream(void) {
     assert(default_out_device_index >= 0);
     struct SoundIoDevice *device = soundio_get_output_device(soundio, default_out_device_index);
     assert(device);
-    soundio_device_name(device);
-    soundio_device_description(device);
     struct SoundIoOutStream *out_stream;
     soundio_out_stream_create(device, SoundIoFormatFloat32NE, 48000, 0.1, NULL,
             write_callback, underrun_callback, &out_stream);