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simplify and remove useless index in AV_W*

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Originally committed as revision 7852 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
2007-02-06 19:10:17 +00:00
parent dac0ebbb65
commit 7d4495dafe
2 changed files with 33 additions and 66 deletions
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36
libavutil/intreadwrite.h
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@@ -27,39 +27,39 @@ struct unaligned_16 { uint16_t l; } __attribute__((packed));
/* endian macros */
#define AV_RB8(x) (((uint8_t*)(x))[0])
#define AV_WB8(p, i, d) { ((uint8_t*)(p))[(i)] = (d); }
#define AV_WB8(p, d) { ((uint8_t*)(p))[0] = (d); }
#define AV_RB16(x) ((((uint8_t*)(x))[0] << 8) | ((uint8_t*)(x))[1])
#define AV_WB16(p, i, d) { \
((uint8_t*)(p))[(i)+1] = (d); \
((uint8_t*)(p))[(i)] = (d)>>8; }
#define AV_WB16(p, d) { \
((uint8_t*)(p))[1] = (d); \
((uint8_t*)(p))[0] = (d)>>8; }
#define AV_RB32(x) ((((uint8_t*)(x))[0] << 24) | \
(((uint8_t*)(x))[1] << 16) | \
(((uint8_t*)(x))[2] << 8) | \
((uint8_t*)(x))[3])
#define AV_WB32(p, i, d) { \
((uint8_t*)(p))[(i)+3] = (d); \
((uint8_t*)(p))[(i)+2] = (d)>>8; \
((uint8_t*)(p))[(i)+1] = (d)>>16; \
((uint8_t*)(p))[(i)] = (d)>>24; }
#define AV_WB32(p, d) { \
((uint8_t*)(p))[3] = (d); \
((uint8_t*)(p))[2] = (d)>>8; \
((uint8_t*)(p))[1] = (d)>>16; \
((uint8_t*)(p))[0] = (d)>>24; }
#define AV_RL8(x) AV_RB8(x)
#define AV_WL8(p, i, d) AV_WB8(p, i, d)
#define AV_WL8(p, d) AV_WB8(p, d)
#define AV_RL16(x) ((((uint8_t*)(x))[1] << 8) | ((uint8_t*)(x))[0])
#define AV_WL16(p, i, d) { \
((uint8_t*)(p))[(i)] = (d); \
((uint8_t*)(p))[(i)+1] = (d)>>8; }
#define AV_WL16(p, d) { \
((uint8_t*)(p))[0] = (d); \
((uint8_t*)(p))[1] = (d)>>8; }
#define AV_RL32(x) ((((uint8_t*)(x))[3] << 24) | \
(((uint8_t*)(x))[2] << 16) | \
(((uint8_t*)(x))[1] << 8) | \
((uint8_t*)(x))[0])
#define AV_WL32(p, i, d) { \
((uint8_t*)(p))[(i)] = (d); \
((uint8_t*)(p))[(i)+1] = (d)>>8; \
((uint8_t*)(p))[(i)+2] = (d)>>16; \
((uint8_t*)(p))[(i)+3] = (d)>>24; }
#define AV_WL32(p, d) { \
((uint8_t*)(p))[0] = (d); \
((uint8_t*)(p))[1] = (d)>>8; \
((uint8_t*)(p))[2] = (d)>>16; \
((uint8_t*)(p))[3] = (d)>>24; }
#endif /* INTREADWRITE_H */