#define LOADCHROMA(i) \
U = pu[i]; \
V = pv[i]; \
- r = (void *)c->table_rV[V]; \
- g = (void *)(c->table_gU[U] + c->table_gV[V]); \
- b = (void *)c->table_bU[U];
+ r = (void *)c->table_rV[V+YUVRGB_TABLE_HEADROOM]; \
+ g = (void *)(c->table_gU[U+YUVRGB_TABLE_HEADROOM] + c->table_gV[V+YUVRGB_TABLE_HEADROOM]); \
+ b = (void *)c->table_bU[U+YUVRGB_TABLE_HEADROOM];
#define PUTRGB(dst,src,i) \
Y = src[2*i]; \
YUV2RGBFUNC(yuv2rgb_c_1_ordered_dither, uint8_t, 0)
const uint8_t *d128 = dither_8x8_220[y&7];
char out_1 = 0, out_2 = 0;
- g= c->table_gU[128] + c->table_gV[128];
+ g= c->table_gU[128 + YUVRGB_TABLE_HEADROOM] + c->table_gV[128 + YUVRGB_TABLE_HEADROOM];
#define PUTRGB1(out,src,i,o) \
Y = src[2*i]; \
return NULL;
}
-static void fill_table(uint8_t* table[256], const int elemsize, const int inc, void *y_tab)
+static void fill_table(uint8_t* table[256 + 2*YUVRGB_TABLE_HEADROOM], const int elemsize, const int inc, void *y_tab)
{
int i;
- int64_t cb = 0;
uint8_t *y_table = y_tab;
y_table -= elemsize * (inc >> 9);
- for (i = 0; i < 256; i++) {
+ for (i = 0; i < 256 + 2*YUVRGB_TABLE_HEADROOM; i++) {
+ int64_t cb = av_clip(i-YUVRGB_TABLE_HEADROOM, 0, 255)*inc;
table[i] = y_table + elemsize * (cb >> 16);
- cb += inc;
}
}
-static void fill_gv_table(int table[256], const int elemsize, const int inc)
+static void fill_gv_table(int table[256 + 2*YUVRGB_TABLE_HEADROOM], const int elemsize, const int inc)
{
int i;
- int64_t cb = 0;
int off = -(inc >> 9);
- for (i = 0; i < 256; i++) {
+ for (i = 0; i < 256 + 2*YUVRGB_TABLE_HEADROOM; i++) {
+ int64_t cb = av_clip(i-YUVRGB_TABLE_HEADROOM, 0, 255)*inc;
table[i] = elemsize * (off + (cb >> 16));
- cb += inc;
}
}
uint8_t *y_table;
uint16_t *y_table16;
uint32_t *y_table32;
- int i, base, rbase, gbase, bbase, abase, needAlpha;
+ int i, base, rbase, gbase, bbase, av_uninit(abase), needAlpha;
const int yoffs = fullRange ? 384 : 326;
int64_t crv = inv_table[0];