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--- a/nw8xx_jpgl.c
+++ b/nw8xx_jpgl.c
@@ -111,18 +111,18 @@
// Clamping table
#define SAFE_CLAMP
#ifdef SAFE_CLAMP
-inline unsigned char clamp(int x) {
+inline unsigned char nw8xx_clamp(int x) {
if ( x > 255 )
return 255;
if ( x < 0 )
return 0;
return x;
}
-#define clamp_adjust(x) clamp(x+128)
+#define nw8xx_clamp_adjust(x) nw8xx_clamp(x+128)
#else
-#define clamp(x) clampTbl[(x)+512]
-#define clamp_adjust(x) clampTbl[(x)+640]
-static char clampTbl[1280];
+#define nw8xx_clamp(x) nw8xx_clampTbl[(x)+512]
+#define nw8xx_clamp_adjust(x) nw8xx_clampTbl[(x)+640]
+static char nw8xx_clampTbl[1280];
#endif
// Code to initialize those tables
@@ -195,19 +195,19 @@
}
#ifndef SAFE_CLAMP
-static void clampTbl_init(void)
+static void nw8xx_clampTbl_init(void)
{
// Instead of doing if(...) to test for overrange, we use
- // a clamping table
+ // a nw8xx_clamping table
int i;
for (i=0 ; i < 512 ; i++)
- clampTbl[i] = 0;
+ nw8xx_clampTbl[i] = 0;
for (i=512 ; i < 768 ; i++ )
- clampTbl[i] = i - 512;
+ nw8xx_clampTbl[i] = i - 512;
for (i=768 ; i < 1280 ; i++ )
- clampTbl[i] = 255;
+ nw8xx_clampTbl[i] = 255;
}
#endif
@@ -521,16 +521,16 @@
for ( x=0 ; x<4 ; x++ )
{
// Y block
- Yline[ 0] = clamp_adjust(block_y[block_idx ]);
- Yline[ 4] = clamp_adjust(block_y[block_idx+16]);
- Yline[ 8] = clamp_adjust(block_y[block_idx+32]);
- Yline[12] = clamp_adjust(block_y[block_idx+48]);
+ Yline[ 0] = nw8xx_clamp_adjust(block_y[block_idx ]);
+ Yline[ 4] = nw8xx_clamp_adjust(block_y[block_idx+16]);
+ Yline[ 8] = nw8xx_clamp_adjust(block_y[block_idx+32]);
+ Yline[12] = nw8xx_clamp_adjust(block_y[block_idx+48]);
// U block
- *Uline = clamp_adjust(block_u[block_idx]);
+ *Uline = nw8xx_clamp_adjust(block_u[block_idx]);
// V block
- *Vline = clamp_adjust(block_v[block_idx]);
+ *Vline = nw8xx_clamp_adjust(block_v[block_idx]);
// Ajust pointers & index
block_idx++;
@@ -596,9 +596,9 @@
vc = Vline[0];
// B G R
- *(fb++) = clamp(( yc + yuvTbl_v2[vc] ) >> 16);
- *(fb++) = clamp(( yc - yuvTbl_u2[uc] - yuvTbl_v1[vc] ) >> 16);
- *(fb++) = clamp(( yc + yuvTbl_u1[uc] ) >> 16);
+ *(fb++) = nw8xx_clamp(( yc + yuvTbl_v2[vc] ) >> 16);
+ *(fb++) = nw8xx_clamp(( yc - yuvTbl_u2[uc] - yuvTbl_v1[vc] ) >> 16);
+ *(fb++) = nw8xx_clamp(( yc + yuvTbl_u1[uc] ) >> 16);
#ifdef _JPGL_TEST_
fb++;
#endif
@@ -609,9 +609,9 @@
vc = ( 3*Vline[0] + Vline[1] ) >> 2;
// B G R
- *(fb++) = clamp(( yc + yuvTbl_v2[vc] ) >> 16);
- *(fb++) = clamp(( yc - yuvTbl_u2[uc] - yuvTbl_v1[vc] ) >> 16);
- *(fb++) = clamp(( yc + yuvTbl_u1[uc] ) >> 16);
+ *(fb++) = nw8xx_clamp(( yc + yuvTbl_v2[vc] ) >> 16);
+ *(fb++) = nw8xx_clamp(( yc - yuvTbl_u2[uc] - yuvTbl_v1[vc] ) >> 16);
+ *(fb++) = nw8xx_clamp(( yc + yuvTbl_u1[uc] ) >> 16);
#ifdef _JPGL_TEST_
fb++;
#endif
@@ -622,9 +622,9 @@
vc = ( Vline[0] + Vline[1] ) >> 1;
// B G R
- *(fb++) = clamp(( yc + yuvTbl_v2[vc] ) >> 16);
- *(fb++) = clamp(( yc - yuvTbl_u2[uc] - yuvTbl_v1[vc] ) >> 16);
- *(fb++) = clamp(( yc + yuvTbl_u1[uc] ) >> 16);
+ *(fb++) = nw8xx_clamp(( yc + yuvTbl_v2[vc] ) >> 16);
+ *(fb++) = nw8xx_clamp(( yc - yuvTbl_u2[uc] - yuvTbl_v1[vc] ) >> 16);
+ *(fb++) = nw8xx_clamp(( yc + yuvTbl_u1[uc] ) >> 16);
#ifdef _JPGL_TEST_
fb++;
#endif
@@ -635,9 +635,9 @@
vc = ( Vline[0] + 3*Vline[1] ) >> 2;
// B G R
- *(fb++) = clamp(( yc + yuvTbl_v2[vc] ) >> 16);
- *(fb++) = clamp(( yc - yuvTbl_u2[uc] - yuvTbl_v1[vc] ) >> 16);
- *(fb++) = clamp(( yc + yuvTbl_u1[uc] ) >> 16);
+ *(fb++) = nw8xx_clamp(( yc + yuvTbl_v2[vc] ) >> 16);
+ *(fb++) = nw8xx_clamp(( yc - yuvTbl_u2[uc] - yuvTbl_v1[vc] ) >> 16);
+ *(fb++) = nw8xx_clamp(( yc + yuvTbl_u1[uc] ) >> 16);
#ifdef _JPGL_TEST_
fb++;
#endif
@@ -707,6 +707,6 @@
vlcTbl_init();
yuvTbl_init();
#ifndef SAFE_CLAMP
- clampTbl_init();
+ nw8xx_clampTbl_init();
#endif
}
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