Add additional audio format conversion for packed 24 bit
Change-Id: Id1c6a3de9dab629e4a4ec716acd09e1dbc990935
Signed-off-by: Andy Hung <hunga@google.com>
diff --git a/audio_utils/primitives.c b/audio_utils/primitives.c
index 5b2ad37..f57dc42 100644
--- a/audio_utils/primitives.c
+++ b/audio_utils/primitives.c
@@ -68,6 +68,65 @@
}
}
+void memcpy_to_float_from_i16(float *dst, const int16_t *src, size_t count)
+{
+ while (count--) {
+ *dst++ = float_from_i16(*src++);
+ }
+}
+
+void memcpy_to_float_from_p24(float *dst, const uint8_t *src, size_t count)
+{
+ while (count--) {
+ *dst++ = float_from_p24(src);
+ src += 3;
+ }
+}
+
+void memcpy_to_i16_from_p24(int16_t *dst, const uint8_t *src, size_t count)
+{
+ while (count--) {
+#ifdef HAVE_BIG_ENDIAN
+ *dst++ = src[1] | (src[0] << 8);
+#else
+ *dst++ = src[1] | (src[2] << 8);
+#endif
+ src += 3;
+ }
+}
+
+void memcpy_to_p24_from_i16(uint8_t *dst, const int16_t *src, size_t count)
+{
+ while (count--) {
+#ifdef HAVE_BIG_ENDIAN
+ *dst++ = *src >> 8;
+ *dst++ = *src++;
+ *dst++ = 0;
+#else
+ *dst++ = 0;
+ *dst++ = *src;
+ *dst++ = *src++ >> 8;
+#endif
+ }
+}
+
+void memcpy_to_p24_from_float(uint8_t *dst, const float *src, size_t count)
+{
+ while (count--) {
+ int32_t ival = clamp24_from_float(*src++);
+
+#ifdef HAVE_BIG_ENDIAN
+ *dst++ = ival >> 16;
+ *dst++ = ival >> 8;
+ *dst++ = ival;
+#else
+ *dst++ = ival;
+ *dst++ = ival >> 8;
+ *dst++ = ival >> 16;
+#endif
+ }
+}
+
void downmix_to_mono_i16_from_stereo_i16(int16_t *dst, const int16_t *src, size_t count)
{
while (count--) {