[Ffmpeg-cvslog] r7852 - in trunk: libavcodec/bytestream.h libavutil/intreadwrite.h
michael
subversion
Tue Feb 6 20:10:18 CET 2007
Author: michael
Date: Tue Feb 6 20:10:17 2007
New Revision: 7852
Modified:
trunk/libavcodec/bytestream.h
trunk/libavutil/intreadwrite.h
Log:
simplify and remove useless index in AV_W*
Modified: trunk/libavcodec/bytestream.h
==============================================================================
--- trunk/libavcodec/bytestream.h (original)
+++ trunk/libavcodec/bytestream.h Tue Feb 6 20:10:17 2007
@@ -22,23 +22,23 @@
#ifndef FFMPEG_BYTESTREAM_H
#define FFMPEG_BYTESTREAM_H
-static av_always_inline unsigned int bytestream_get_le32(uint8_t **b)
-{
- (*b) += 4;
- return AV_RL32(*b - 4);
-}
+#define DEF(name, bytes, read, write)\
+static av_always_inline unsigned int bytestream_get_ ## name(uint8_t **b){\
+ (*b) += bytes;\
+ return read(*b - bytes);\
+}\
+static av_always_inline void bytestream_put_ ##name(uint8_t **b, const unsigned int value){\
+ write(*b, value);\
+ (*b) += bytes;\
+};
-static av_always_inline unsigned int bytestream_get_le16(uint8_t **b)
-{
- (*b) += 2;
- return AV_RL16(*b - 2);
-}
+DEF(le32, 4, AV_RL32, AV_WL32)
+DEF(le16, 2, AV_RL16, AV_WL16)
+DEF(be32, 4, AV_RB32, AV_WB32)
+DEF(be16, 2, AV_RB16, AV_WB16)
+DEF(byte, 1, AV_RB8 , AV_WB8 )
-static av_always_inline unsigned int bytestream_get_byte(uint8_t **b)
-{
- (*b)++;
- return (*b)[-1];
-}
+#undef DEF
static av_always_inline unsigned int bytestream_get_buffer(uint8_t **b, uint8_t *dst, unsigned int size)
{
@@ -47,39 +47,6 @@
return size;
}
-static av_always_inline void bytestream_put_be32(uint8_t **b, const unsigned int value)
-{
- *(*b)++ = value >> 24;
- *(*b)++ = value >> 16;
- *(*b)++ = value >> 8;
- *(*b)++ = value;
-};
-
-static av_always_inline void bytestream_put_be16(uint8_t **b, const unsigned int value)
-{
- *(*b)++ = value >> 8;
- *(*b)++ = value;
-}
-
-static av_always_inline void bytestream_put_le32(uint8_t **b, const unsigned int value)
-{
- *(*b)++ = value;
- *(*b)++ = value >> 8;
- *(*b)++ = value >> 16;
- *(*b)++ = value >> 24;
-}
-
-static av_always_inline void bytestream_put_le16(uint8_t **b, const unsigned int value)
-{
- *(*b)++ = value;
- *(*b)++ = value >> 8;
-}
-
-static av_always_inline void bytestream_put_byte(uint8_t **b, const unsigned int value)
-{
- *(*b)++ = value;
-}
-
static av_always_inline void bytestream_put_buffer(uint8_t **b, const uint8_t *src, unsigned int size)
{
memcpy(*b, src, size);
Modified: trunk/libavutil/intreadwrite.h
==============================================================================
--- trunk/libavutil/intreadwrite.h (original)
+++ trunk/libavutil/intreadwrite.h Tue Feb 6 20:10:17 2007
@@ -27,39 +27,39 @@
/* 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 */
More information about the ffmpeg-cvslog
mailing list