}
}
+#define accumulate_bit(acc, val) \
+ acc <<= 1; \
+ acc |= (val) >= (128 + 110)
#define output_pixel(pos, acc) \
if (target == PIX_FMT_MONOBLACK) { \
pos = acc; \
int y, enum PixelFormat target)
{
const uint8_t * const d128=dither_8x8_220[y&7];
- uint8_t *g = c->table_gU[128 + YUVRGB_TABLE_HEADROOM] + c->table_gV[128 + YUVRGB_TABLE_HEADROOM];
int i;
unsigned acc = 0;
Y1 = av_clip_uint8(Y1);
Y2 = av_clip_uint8(Y2);
}
- acc += acc + g[Y1 + d128[(i + 0) & 7]];
- acc += acc + g[Y2 + d128[(i + 1) & 7]];
+ accumulate_bit(acc, Y1 + d128[(i + 0) & 7]);
+ accumulate_bit(acc, Y2 + d128[(i + 1) & 7]);
if ((i & 7) == 6) {
output_pixel(*dest++, acc);
}
{
const int16_t *buf0 = buf[0], *buf1 = buf[1];
const uint8_t * const d128 = dither_8x8_220[y & 7];
- uint8_t *g = c->table_gU[128 + YUVRGB_TABLE_HEADROOM] + c->table_gV[128 + YUVRGB_TABLE_HEADROOM];
int yalpha1 = 4095 - yalpha;
int i;
for (i = 0; i < dstW - 7; i += 8) {
- int acc = g[((buf0[i ] * yalpha1 + buf1[i ] * yalpha) >> 19) + d128[0]];
- acc += acc + g[((buf0[i + 1] * yalpha1 + buf1[i + 1] * yalpha) >> 19) + d128[1]];
- acc += acc + g[((buf0[i + 2] * yalpha1 + buf1[i + 2] * yalpha) >> 19) + d128[2]];
- acc += acc + g[((buf0[i + 3] * yalpha1 + buf1[i + 3] * yalpha) >> 19) + d128[3]];
- acc += acc + g[((buf0[i + 4] * yalpha1 + buf1[i + 4] * yalpha) >> 19) + d128[4]];
- acc += acc + g[((buf0[i + 5] * yalpha1 + buf1[i + 5] * yalpha) >> 19) + d128[5]];
- acc += acc + g[((buf0[i + 6] * yalpha1 + buf1[i + 6] * yalpha) >> 19) + d128[6]];
- acc += acc + g[((buf0[i + 7] * yalpha1 + buf1[i + 7] * yalpha) >> 19) + d128[7]];
+ int Y, acc = 0;
+
+ Y = (buf0[i + 0] * yalpha1 + buf1[i + 0] * yalpha) >> 19;
+ accumulate_bit(acc, Y + d128[0]);
+ Y = (buf0[i + 1] * yalpha1 + buf1[i + 1] * yalpha) >> 19;
+ accumulate_bit(acc, Y + d128[1]);
+ Y = (buf0[i + 2] * yalpha1 + buf1[i + 2] * yalpha) >> 19;
+ accumulate_bit(acc, Y + d128[2]);
+ Y = (buf0[i + 3] * yalpha1 + buf1[i + 3] * yalpha) >> 19;
+ accumulate_bit(acc, Y + d128[3]);
+ Y = (buf0[i + 4] * yalpha1 + buf1[i + 4] * yalpha) >> 19;
+ accumulate_bit(acc, Y + d128[4]);
+ Y = (buf0[i + 5] * yalpha1 + buf1[i + 5] * yalpha) >> 19;
+ accumulate_bit(acc, Y + d128[5]);
+ Y = (buf0[i + 6] * yalpha1 + buf1[i + 6] * yalpha) >> 19;
+ accumulate_bit(acc, Y + d128[6]);
+ Y = (buf0[i + 7] * yalpha1 + buf1[i + 7] * yalpha) >> 19;
+ accumulate_bit(acc, Y + d128[7]);
+
output_pixel(*dest++, acc);
}
}
int uvalpha, int y, enum PixelFormat target)
{
const uint8_t * const d128 = dither_8x8_220[y & 7];
- uint8_t *g = c->table_gU[128 + YUVRGB_TABLE_HEADROOM] + c->table_gV[128 + YUVRGB_TABLE_HEADROOM];
int i;
for (i = 0; i < dstW - 7; i += 8) {
- int acc = g[(buf0[i ] >> 7) + d128[0]];
- acc += acc + g[(buf0[i + 1] >> 7) + d128[1]];
- acc += acc + g[(buf0[i + 2] >> 7) + d128[2]];
- acc += acc + g[(buf0[i + 3] >> 7) + d128[3]];
- acc += acc + g[(buf0[i + 4] >> 7) + d128[4]];
- acc += acc + g[(buf0[i + 5] >> 7) + d128[5]];
- acc += acc + g[(buf0[i + 6] >> 7) + d128[6]];
- acc += acc + g[(buf0[i + 7] >> 7) + d128[7]];
+ int acc = 0;
+
+ accumulate_bit(acc, ((buf0[i + 0] + 64) >> 7) + d128[0]);
+ accumulate_bit(acc, ((buf0[i + 1] + 64) >> 7) + d128[1]);
+ accumulate_bit(acc, ((buf0[i + 2] + 64) >> 7) + d128[2]);
+ accumulate_bit(acc, ((buf0[i + 3] + 64) >> 7) + d128[3]);
+ accumulate_bit(acc, ((buf0[i + 4] + 64) >> 7) + d128[4]);
+ accumulate_bit(acc, ((buf0[i + 5] + 64) >> 7) + d128[5]);
+ accumulate_bit(acc, ((buf0[i + 6] + 64) >> 7) + d128[6]);
+ accumulate_bit(acc, ((buf0[i + 7] + 64) >> 7) + d128[7]);
+
output_pixel(*dest++, acc);
}
}
#undef output_pixel
+#undef accumulate_bit
#define YUV2PACKEDWRAPPER(name, base, ext, fmt) \
static void name ## ext ## _X_c(SwsContext *c, const int16_t *lumFilter, \
int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha) >> 19;
int V = (vbuf0[i] * uvalpha1 + vbuf1[i] * uvalpha) >> 19;
+ if ((Y1 | Y2 | U | V) & 0x100) {
+ Y1 = av_clip_uint8(Y1);
+ Y2 = av_clip_uint8(Y2);
+ U = av_clip_uint8(U);
+ V = av_clip_uint8(V);
+ }
+
output_pixels(i * 4, Y1, U, Y2, V);
}
}
if (uvalpha < 2048) {
for (i = 0; i < (dstW >> 1); i++) {
- int Y1 = buf0[i * 2] >> 7;
- int Y2 = buf0[i * 2 + 1] >> 7;
- int U = ubuf0[i] >> 7;
- int V = vbuf0[i] >> 7;
+ int Y1 = (buf0[i * 2 ]+64) >> 7;
+ int Y2 = (buf0[i * 2 + 1]+64) >> 7;
+ int U = (ubuf0[i] +64) >> 7;
+ int V = (vbuf0[i] +64) >> 7;
+
+ if ((Y1 | Y2 | U | V) & 0x100) {
+ Y1 = av_clip_uint8(Y1);
+ Y2 = av_clip_uint8(Y2);
+ U = av_clip_uint8(U);
+ V = av_clip_uint8(V);
+ }
output_pixels(i * 4, Y1, U, Y2, V);
}
} else {
const int16_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];
for (i = 0; i < (dstW >> 1); i++) {
- int Y1 = buf0[i * 2] >> 7;
- int Y2 = buf0[i * 2 + 1] >> 7;
- int U = (ubuf0[i] + ubuf1[i]) >> 8;
- int V = (vbuf0[i] + vbuf1[i]) >> 8;
+ int Y1 = (buf0[i * 2 ] + 64) >> 7;
+ int Y2 = (buf0[i * 2 + 1] + 64) >> 7;
+ int U = (ubuf0[i] + ubuf1[i]+128) >> 8;
+ int V = (vbuf0[i] + vbuf1[i]+128) >> 8;
+
+ if ((Y1 | Y2 | U | V) & 0x100) {
+ Y1 = av_clip_uint8(Y1);
+ Y2 = av_clip_uint8(Y2);
+ U = av_clip_uint8(U);
+ V = av_clip_uint8(V);
+ }
output_pixels(i * 4, Y1, U, Y2, V);
}
if (uvalpha < 2048) {
for (i = 0; i < (dstW >> 1); i++) {
- int Y1 = buf0[i * 2] >> 7;
- int Y2 = buf0[i * 2 + 1] >> 7;
- int U = ubuf0[i] >> 7;
- int V = vbuf0[i] >> 7;
+ int Y1 = (buf0[i * 2 ] + 64) >> 7;
+ int Y2 = (buf0[i * 2 + 1] + 64) >> 7;
+ int U = (ubuf0[i] + 64) >> 7;
+ int V = (vbuf0[i] + 64) >> 7;
int A1, A2;
const void *r = c->table_rV[V + YUVRGB_TABLE_HEADROOM],
*g = (c->table_gU[U + YUVRGB_TABLE_HEADROOM] + c->table_gV[V + YUVRGB_TABLE_HEADROOM]),
*b = c->table_bU[U + YUVRGB_TABLE_HEADROOM];
if (hasAlpha) {
- A1 = abuf0[i * 2 ] >> 7;
- A2 = abuf0[i * 2 + 1] >> 7;
+ A1 = (abuf0[i * 2 ] + 64) >> 7;
+ A2 = (abuf0[i * 2 + 1] + 64) >> 7;
}
yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,
} else {
const int16_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];
for (i = 0; i < (dstW >> 1); i++) {
- int Y1 = buf0[i * 2] >> 7;
- int Y2 = buf0[i * 2 + 1] >> 7;
- int U = (ubuf0[i] + ubuf1[i]) >> 8;
- int V = (vbuf0[i] + vbuf1[i]) >> 8;
+ int Y1 = (buf0[i * 2 ] + 64) >> 7;
+ int Y2 = (buf0[i * 2 + 1] + 64) >> 7;
+ int U = (ubuf0[i] + ubuf1[i] + 128) >> 8;
+ int V = (vbuf0[i] + vbuf1[i] + 128) >> 8;
int A1, A2;
const void *r = c->table_rV[V + YUVRGB_TABLE_HEADROOM],
*g = (c->table_gU[U + YUVRGB_TABLE_HEADROOM] + c->table_gV[V + YUVRGB_TABLE_HEADROOM]),
*b = c->table_bU[U + YUVRGB_TABLE_HEADROOM];
if (hasAlpha) {
- A1 = abuf0[i * 2 ] >> 7;
- A2 = abuf0[i * 2 + 1] >> 7;
+ A1 = (abuf0[i * 2 ] + 64) >> 7;
+ A2 = (abuf0[i * 2 + 1] + 64) >> 7;
}
yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,