lzo: Use AV_COPY*U macros where appropriate

libavutil/lzo.c

@@ -23,6 +23,7 @@
 
 #include "avutil.h"
 #include "common.h"
+#include "intreadwrite.h"
 #include "lzo.h"
 
 /// Define if we may write up to 12 bytes beyond the output buffer.
@@ -71,19 +72,6 @@ static inline int get_len(LZOContext *c, int x, int mask)
     return cnt;
 }
 
-//#define UNALIGNED_LOADSTORE
-#define BUILTIN_MEMCPY
-#ifdef UNALIGNED_LOADSTORE
-#define COPY2(d, s) *(uint16_t *)(d) = *(uint16_t *)(s);
-#define COPY4(d, s) *(uint32_t *)(d) = *(uint32_t *)(s);
-#elif defined(BUILTIN_MEMCPY)
-#define COPY2(d, s) memcpy(d, s, 2);
-#define COPY4(d, s) memcpy(d, s, 4);
-#else
-#define COPY2(d, s) (d)[0] = (s)[0]; (d)[1] = (s)[1];
-#define COPY4(d, s) (d)[0] = (s)[0]; (d)[1] = (s)[1]; (d)[2] = (s)[2]; (d)[3] = (s)[3];
-#endif
-
 /**
  * @brief Copies bytes from input to output buffer with checking.
  * @param cnt number of bytes to copy, must be >= 0
@@ -101,7 +89,7 @@ static inline void copy(LZOContext *c, int cnt)
         c->error |= AV_LZO_OUTPUT_FULL;
     }
 #if defined(INBUF_PADDED) && defined(OUTBUF_PADDED)
-    COPY4(dst, src);
+    AV_COPY32U(dst, src);
     src += 4;
     dst += 4;
     cnt -= 4;
@@ -145,16 +133,16 @@ static inline void memcpy_backptr(uint8_t *dst, int back, int cnt)
         memset(dst, *src, cnt);
     } else {
 #ifdef OUTBUF_PADDED
-        COPY2(dst, src);
-        COPY2(dst + 2, src + 2);
+        AV_COPY16U(dst,     src);
+        AV_COPY16U(dst + 2, src + 2);
         src += 4;
         dst += 4;
         cnt -= 4;
         if (cnt > 0) {
-            COPY2(dst, src);
-            COPY2(dst + 2, src + 2);
-            COPY2(dst + 4, src + 4);
-            COPY2(dst + 6, src + 6);
+            AV_COPY16U(dst,     src);
+            AV_COPY16U(dst + 2, src + 2);
+            AV_COPY16U(dst + 4, src + 4);
+            AV_COPY16U(dst + 6, src + 6);
             src += 8;
             dst += 8;
             cnt -= 8;