feat:mp3

tests/mp3_encoder_test.c

@@ -0,0 +1,33 @@
+#include "transui_mp3.h"
+
+#include <assert.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(int argc, char **argv) {
+  const size_t pcm_size = 16000 * 2;
+  uint8_t *pcm = calloc(pcm_size, 1);
+  assert(pcm != NULL);
+
+  uint8_t *mp3 = NULL;
+  size_t mp3_size = 0;
+  assert(transui_mp3_encode_mono_16k_32kbps(pcm, pcm_size, &mp3,
+                                             &mp3_size) == TRANSUI_MP3_OK);
+  assert(mp3 != NULL);
+  assert(mp3_size > 2);
+  assert(mp3[0] == 0xff);
+  assert((mp3[1] & 0xe0) == 0xe0);
+  if (argc == 2) {
+    FILE *output = fopen(argv[1], "wb");
+    assert(output != NULL);
+    assert(fwrite(mp3, 1, mp3_size, output) == mp3_size);
+    assert(fclose(output) == 0);
+  }
+  transui_mp3_free(mp3);
+  free(pcm);
+
+  assert(transui_mp3_encode_mono_16k_32kbps(NULL, 0, &mp3, &mp3_size) ==
+         TRANSUI_MP3_INVALID_INPUT);
+  return 0;
+}