*/
#include "libavutil/common.h"
-#include "dsputil.h"
+
+#include "dct.h"
+#include "idctdsp.h"
#define EIGHT_BIT_SAMPLES
/* AC terms all zero */
if (d0) {
/* Compute a 32 bit value to assign. */
- int16_t dcval = (int16_t) (d0 << PASS1_BITS);
- register int v = (dcval & 0xffff) | ((dcval << 16) & 0xffff0000);
+ int16_t dcval = (int16_t) (d0 * (1 << PASS1_BITS));
+ register int v = (dcval & 0xffff) | ((dcval * (1 << 16)) & 0xffff0000);
idataptr[0] = v;
idataptr[1] = v;
tmp2 = z1 + MULTIPLY(-d6, FIX_1_847759065);
tmp3 = z1 + MULTIPLY(d2, FIX_0_765366865);
- tmp0 = (d0 + d4) << CONST_BITS;
- tmp1 = (d0 - d4) << CONST_BITS;
+ tmp0 = (d0 + d4) * CONST_SCALE;
+ tmp1 = (d0 - d4) * CONST_SCALE;
tmp10 = tmp0 + tmp3;
tmp13 = tmp0 - tmp3;
tmp2 = MULTIPLY(-d6, FIX_1_306562965);
tmp3 = MULTIPLY(d6, FIX_0_541196100);
- tmp0 = (d0 + d4) << CONST_BITS;
- tmp1 = (d0 - d4) << CONST_BITS;
+ tmp0 = (d0 + d4) * CONST_SCALE;
+ tmp1 = (d0 - d4) * CONST_SCALE;
tmp10 = tmp0 + tmp3;
tmp13 = tmp0 - tmp3;
tmp2 = MULTIPLY(d2, FIX_0_541196100);
tmp3 = MULTIPLY(d2, FIX_1_306562965);
- tmp0 = (d0 + d4) << CONST_BITS;
- tmp1 = (d0 - d4) << CONST_BITS;
+ tmp0 = (d0 + d4) * CONST_SCALE;
+ tmp1 = (d0 - d4) * CONST_SCALE;
tmp10 = tmp0 + tmp3;
tmp13 = tmp0 - tmp3;
tmp12 = tmp1 - tmp2;
} else {
/* d0 != 0, d2 == 0, d4 != 0, d6 == 0 */
- tmp10 = tmp13 = (d0 + d4) << CONST_BITS;
- tmp11 = tmp12 = (d0 - d4) << CONST_BITS;
+ tmp10 = tmp13 = (d0 + d4) * CONST_SCALE;
+ tmp11 = tmp12 = (d0 - d4) * CONST_SCALE;
}
}
tmp2 = z1 + MULTIPLY(-d6, FIX_1_847759065);
tmp3 = z1 + MULTIPLY(d2, FIX_0_765366865);
- tmp0 = (d0 + d4) << CONST_BITS;
- tmp1 = (d0 - d4) << CONST_BITS;
+ tmp0 = (d0 + d4) * CONST_SCALE;
+ tmp1 = (d0 - d4) * CONST_SCALE;
tmp10 = tmp0 + tmp3;
tmp13 = tmp0 - tmp3;
tmp2 = MULTIPLY(-d6, FIX_1_306562965);
tmp3 = MULTIPLY(d6, FIX_0_541196100);
- tmp0 = (d0 + d4) << CONST_BITS;
- tmp1 = (d0 - d4) << CONST_BITS;
+ tmp0 = (d0 + d4) * CONST_SCALE;
+ tmp1 = (d0 - d4) * CONST_SCALE;
tmp10 = tmp0 + tmp3;
tmp13 = tmp0 - tmp3;
tmp2 = MULTIPLY(d2, FIX_0_541196100);
tmp3 = MULTIPLY(d2, FIX_1_306562965);
- tmp0 = (d0 + d4) << CONST_BITS;
- tmp1 = (d0 - d4) << CONST_BITS;
+ tmp0 = (d0 + d4) * CONST_SCALE;
+ tmp1 = (d0 - d4) * CONST_SCALE;
tmp10 = tmp0 + tmp3;
tmp13 = tmp0 - tmp3;
tmp12 = tmp1 - tmp2;
} else {
/* d0 != 0, d2 == 0, d4 != 0, d6 == 0 */
- tmp10 = tmp13 = (d0 + d4) << CONST_BITS;
- tmp11 = tmp12 = (d0 - d4) << CONST_BITS;
+ tmp10 = tmp13 = (d0 + d4) * CONST_SCALE;
+ tmp11 = tmp12 = (d0 - d4) * CONST_SCALE;
}
}
dataptr++; /* advance pointer to next column */
}
}
+
+void ff_jref_idct_put(uint8_t *dest, ptrdiff_t line_size, int16_t *block)
+{
+ ff_j_rev_dct(block);
+ ff_put_pixels_clamped(block, dest, line_size);
+}
+
+void ff_jref_idct_add(uint8_t *dest, ptrdiff_t line_size, int16_t *block)
+{
+ ff_j_rev_dct(block);
+ ff_add_pixels_clamped(block, dest, line_size);
+}