A test util to play with audio.

Makefile

@@ -18,6 +18,12 @@ LDFLAGS += -lportaudio -lopus -lsodium
 $(TARGET): $(OBJs)
 	$(CC) $(LDFLAGS) $^ -o $@
 
+test_audio: test_audio.o $(OBJ_DIR)/audio.o
+	$(CC) $(LDFLAGS) $^ -o $@
+
+test_audio.o: test_audio.c
+	$(CC) $(CFLAGS) -c $< -o $@
+
 $(OBJ_DIR)/%.o: $(SRC_DIR)/%.c | $(OBJ_DIR)
 	$(CC) $(CFLAGS) -c $< -o $@
 

test_audio.c

@@ -0,0 +1,36 @@
+#include "src/audio.h"
+#include <stdlib.h>
+
+#define CHANNELS 1
+#define SAMPLE_RATE 48000
+#define FRAMES_PER_BUFFFER 960
+#define AUDIO_BUF_SIZE (FRAMES_PER_BUFFFER)
+
+#define LEN_SEC 5
+
+int main(int argc, char **argv) {
+    (void)argc;
+    (void)argv;
+
+    audio_init_soundsystem();
+
+    audio_t a;
+    audio_sample_t aud_buf[FRAMES_PER_BUFFFER] = {0};
+
+    audio_init_default(&a, CHANNELS, SAMPLE_RATE, FRAMES_PER_BUFFFER);
+
+    audio_stream_input_toggle(&a); audio_stream_output_toggle(&a);
+
+    const size_t ii = (LEN_SEC * SAMPLE_RATE)/FRAMES_PER_BUFFFER;
+
+    for (size_t i = 0; i < ii; ++i) {
+        audio_read(&a, aud_buf, FRAMES_PER_BUFFFER);
+        audio_write(&a, aud_buf, FRAMES_PER_BUFFFER);
+    }
+
+    audio_stream_input_toggle(&a); audio_stream_output_toggle(&a);
+
+    audio_terminate_soundsystem();
+
+    return 0;
+}