aboutsummaryrefslogtreecommitdiffstats
path: root/libavcodec/dsputil.h
diff options
context:
space:
mode:
authorMichael Niedermayer <michaelni@gmx.at>2002-01-10 00:51:45 +0000
committerMichael Niedermayer <michaelni@gmx.at>2002-01-10 00:51:45 +0000
commit5a2408385979a543dd86752fafe5724fd8fbbaf4 (patch)
treed3ab138d85ee6885d5fbb7435001f3c1603511c9 /libavcodec/dsputil.h
parentef093645ef508f755ac80ef62cf774e376fe1eb8 (diff)
downloadffmpeg-5a2408385979a543dd86752fafe5724fd8fbbaf4.tar.gz
fix for non-mmx runtimedetect encoding bugs - patch by Michael Niedermayer <michaelni@gmx.at>
Originally committed as revision 250 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/dsputil.h')
-rw-r--r--libavcodec/dsputil.h28
1 files changed, 4 insertions, 24 deletions
diff --git a/libavcodec/dsputil.h b/libavcodec/dsputil.h
index 12f0e3f2bb..9ebf2f5124 100644
--- a/libavcodec/dsputil.h
+++ b/libavcodec/dsputil.h
@@ -19,6 +19,9 @@ extern UINT8 ff_alternate_horizontal_scan[64];
extern UINT8 ff_alternate_vertical_scan[64];
extern UINT8 zigzag_direct[64];
+/* permutation table */
+extern UINT8 permutation[64];
+
/* pixel operations */
#define MAX_NEG_CROP 384
@@ -67,33 +70,10 @@ int pix_abs16x16_x2_c(UINT8 *blk1, UINT8 *blk2, int lx, int h);
int pix_abs16x16_y2_c(UINT8 *blk1, UINT8 *blk2, int lx, int h);
int pix_abs16x16_xy2_c(UINT8 *blk1, UINT8 *blk2, int lx, int h);
-#if defined (SIMPLE_IDCT) && defined (HAVE_MMX)
static inline int block_permute_op(int j)
{
-static const int table[64]={
- 0x00, 0x08, 0x01, 0x09, 0x04, 0x0C, 0x05, 0x0D,
- 0x10, 0x18, 0x11, 0x19, 0x14, 0x1C, 0x15, 0x1D,
- 0x02, 0x0A, 0x03, 0x0B, 0x06, 0x0E, 0x07, 0x0F,
- 0x12, 0x1A, 0x13, 0x1B, 0x16, 0x1E, 0x17, 0x1F,
- 0x20, 0x28, 0x21, 0x29, 0x24, 0x2C, 0x25, 0x2D,
- 0x30, 0x38, 0x31, 0x39, 0x34, 0x3C, 0x35, 0x3D,
- 0x22, 0x2A, 0x23, 0x2B, 0x26, 0x2E, 0x27, 0x2F,
- 0x32, 0x3A, 0x33, 0x3B, 0x36, 0x3E, 0x37, 0x3F,
-};
-
- return table[j];
+ return permutation[j];
}
-#elif defined (SIMPLE_IDCT)
-static inline int block_permute_op(int j)
-{
- return j;
-}
-#else
-static inline int block_permute_op(int j)
-{
- return (j & 0x38) | ((j & 6) >> 1) | ((j & 1) << 2);
-}
-#endif
void block_permute(INT16 *block);