[FFmpeg-devel] [PATCH] Rearrange AV_[RW][BL]*() macros
Mans Rullgard
mans
Thu Jul 17 10:35:22 CEST 2008
---
libavutil/intreadwrite.h | 90 +++++++++++++++++++++-------------------------
1 files changed, 41 insertions(+), 49 deletions(-)
diff --git a/libavutil/intreadwrite.h b/libavutil/intreadwrite.h
index cbf5163..3269f28 100644
--- a/libavutil/intreadwrite.h
+++ b/libavutil/intreadwrite.h
@@ -63,12 +63,36 @@ struct unaligned_16 { uint16_t l; } __attribute__((packed));
# define AV_RL16(x) bswap_16(AV_RN16(x))
# define AV_WL16(p, d) AV_WN16(p, bswap_16(d))
+
+# define AV_RB32(x) AV_RN32(x)
+# define AV_WB32(p, d) AV_WN32(p, d)
+
+# define AV_RL32(x) bswap_32(AV_RN32(x))
+# define AV_WL32(p, d) AV_WN32(p, bswap_32(d))
+
+# define AV_RB64(x) AV_RN64(x)
+# define AV_WB64(p, d) AV_WN64(p, d)
+
+# define AV_RL64(x) bswap_64(AV_RN64(x))
+# define AV_WL64(p, d) AV_WN64(p, bswap_64(d))
# else /* WORDS_BIGENDIAN */
# define AV_RB16(x) bswap_16(AV_RN16(x))
# define AV_WB16(p, d) AV_WN16(p, bswap_16(d))
# define AV_RL16(x) AV_RN16(x)
# define AV_WL16(p, d) AV_WN16(p, d)
+
+# define AV_RB32(x) bswap_32(AV_RN32(x))
+# define AV_WB32(p, d) AV_WN32(p, bswap_32(d))
+
+# define AV_RL32(x) AV_RN32(x)
+# define AV_WL32(p, d) AV_WN32(p, d)
+
+# define AV_RB64(x) bswap_64(AV_RN64(x))
+# define AV_WB64(p, d) AV_WN64(p, bswap_64(d))
+
+# define AV_RL64(x) AV_RN64(x)
+# define AV_WL64(p, d) AV_WN64(p, d)
# endif
#else /* HAVE_FAST_UNALIGNED */
#define AV_RB16(x) ((((const uint8_t*)(x))[0] << 8) | ((const uint8_t*)(x))[1])
@@ -81,39 +105,7 @@ struct unaligned_16 { uint16_t l; } __attribute__((packed));
#define AV_WL16(p, d) do { \
((uint8_t*)(p))[0] = (d); \
((uint8_t*)(p))[1] = (d)>>8; } while(0)
-#endif
-
-#define AV_RB24(x) ((((const uint8_t*)(x))[0] << 16) | \
- (((const uint8_t*)(x))[1] << 8) | \
- ((const uint8_t*)(x))[2])
-#define AV_WB24(p, d) do { \
- ((uint8_t*)(p))[2] = (d); \
- ((uint8_t*)(p))[1] = (d)>>8; \
- ((uint8_t*)(p))[0] = (d)>>16; } while(0)
-
-#define AV_RL24(x) ((((const uint8_t*)(x))[2] << 16) | \
- (((const uint8_t*)(x))[1] << 8) | \
- ((const uint8_t*)(x))[0])
-#define AV_WL24(p, d) do { \
- ((uint8_t*)(p))[0] = (d); \
- ((uint8_t*)(p))[1] = (d)>>8; \
- ((uint8_t*)(p))[2] = (d)>>16; } while(0)
-
-#ifdef HAVE_FAST_UNALIGNED
-# ifdef WORDS_BIGENDIAN
-# define AV_RB32(x) AV_RN32(x)
-# define AV_WB32(p, d) AV_WN32(p, d)
-# define AV_RL32(x) bswap_32(AV_RN32(x))
-# define AV_WL32(p, d) AV_WN32(p, bswap_32(d))
-# else /* WORDS_BIGENDIAN */
-# define AV_RB32(x) bswap_32(AV_RN32(x))
-# define AV_WB32(p, d) AV_WN32(p, bswap_32(d))
-
-# define AV_RL32(x) AV_RN32(x)
-# define AV_WL32(p, d) AV_WN32(p, d)
-# endif
-#else /* HAVE_FAST_UNALIGNED */
#define AV_RB32(x) ((((const uint8_t*)(x))[0] << 24) | \
(((const uint8_t*)(x))[1] << 16) | \
(((const uint8_t*)(x))[2] << 8) | \
@@ -133,23 +125,7 @@ struct unaligned_16 { uint16_t l; } __attribute__((packed));
((uint8_t*)(p))[1] = (d)>>8; \
((uint8_t*)(p))[2] = (d)>>16; \
((uint8_t*)(p))[3] = (d)>>24; } while(0)
-#endif
-
-#ifdef HAVE_FAST_UNALIGNED
-# ifdef WORDS_BIGENDIAN
-# define AV_RB64(x) AV_RN64(x)
-# define AV_WB64(p, d) AV_WN64(p, d)
-# define AV_RL64(x) bswap_64(AV_RN64(x))
-# define AV_WL64(p, d) AV_WN64(p, bswap_64(d))
-# else /* WORDS_BIGENDIAN */
-# define AV_RB64(x) bswap_64(AV_RN64(x))
-# define AV_WB64(p, d) AV_WN64(p, bswap_64(d))
-
-# define AV_RL64(x) AV_RN64(x)
-# define AV_WL64(p, d) AV_WN64(p, d)
-# endif
-#else /* HAVE_FAST_UNALIGNED */
#define AV_RB64(x) (((uint64_t)((const uint8_t*)(x))[0] << 56) | \
((uint64_t)((const uint8_t*)(x))[1] << 48) | \
((uint64_t)((const uint8_t*)(x))[2] << 40) | \
@@ -185,6 +161,22 @@ struct unaligned_16 { uint16_t l; } __attribute__((packed));
((uint8_t*)(p))[5] = (d)>>40; \
((uint8_t*)(p))[6] = (d)>>48; \
((uint8_t*)(p))[7] = (d)>>56; } while(0)
-#endif
+#endif /* HAVE_FAST_UNALIGNED */
+
+#define AV_RB24(x) ((((const uint8_t*)(x))[0] << 16) | \
+ (((const uint8_t*)(x))[1] << 8) | \
+ ((const uint8_t*)(x))[2])
+#define AV_WB24(p, d) do { \
+ ((uint8_t*)(p))[2] = (d); \
+ ((uint8_t*)(p))[1] = (d)>>8; \
+ ((uint8_t*)(p))[0] = (d)>>16; } while(0)
+
+#define AV_RL24(x) ((((const uint8_t*)(x))[2] << 16) | \
+ (((const uint8_t*)(x))[1] << 8) | \
+ ((const uint8_t*)(x))[0])
+#define AV_WL24(p, d) do { \
+ ((uint8_t*)(p))[0] = (d); \
+ ((uint8_t*)(p))[1] = (d)>>8; \
+ ((uint8_t*)(p))[2] = (d)>>16; } while(0)
#endif /* FFMPEG_INTREADWRITE_H */
--
1.5.6.2
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