X-Git-Url: http://git.ieval.ro/?a=blobdiff_plain;f=src%2Flpcm.h;h=b6598c93a3cd9682ad13ef200b6fe3e1130ae04e;hb=a7e00a42195bd01fad75e5800fcbadeb1a5d3efd;hp=ae67a43fb6798a5f8e4becef295c65f54251dd4d;hpb=48e2f01c5653c8f643b2a763e1cfa2efc1eccd60;p=fdkaac.git

diff --git a/src/lpcm.h b/src/lpcm.h
index ae67a43..b6598c9 100644
--- a/src/lpcm.h
+++ b/src/lpcm.h
@@ -31,7 +31,34 @@ typedef struct pcm_sample_description_t {
 #define PCM_BYTES_PER_CHANNEL(desc) \
     ((desc)->bytes_per_frame / (desc)->channels_per_frame)
 
-int pcm_convert_to_native_sint16(const pcm_sample_description_t *format,
-                                 const void *input, uint32_t nframes,
-                                 int16_t **result, uint32_t *osize);
+#if defined(_MSC_VER) && _MSC_VER < 1800
+#  ifdef _M_IX86
+static inline int lrint(double x)
+{
+    int n;
+    _asm {
+        fld x
+        fistp n
+    }
+    return n;
+}
+#  else
+#    include <emmintrin.h>
+static inline int lrint(double x)
+{
+    return _mm_cvtsd_si32(_mm_load_sd(&x));
+}
+#  endif
+#endif
+
+static
+inline double pcm_clip(double n, double min_value, double max_value)
+{
+    if (n < min_value)
+        return min_value;
+    else if (n > max_value)
+        return max_value;
+    return n;
+}
+
 #endif