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// 30.10.2002 corrected qpel chroma rounding |
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// 04.10.2002 added qpel support to MBMotionCompensation |
// 04.10.2002 added qpel support to MBMotionCompensation |
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// 01.05.2002 updated MBMotionCompensationBVOP |
// 01.05.2002 updated MBMotionCompensationBVOP |
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// 14.04.2002 bframe compensation |
// 14.04.2002 bframe compensation |
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#define ABS(X) (((X)>0)?(X):-(X)) |
#define ABS(X) (((X)>0)?(X):-(X)) |
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#define SIGN(X) (((X)>0)?1:-1) |
#define SIGN(X) (((X)>0)?1:-1) |
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static __inline void |
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compensate16x16_interpolate(int16_t * const dct_codes, |
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uint8_t * const cur, |
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const uint8_t * const ref, |
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const uint8_t * const refh, |
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const uint8_t * const refv, |
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const uint8_t * const refhv, |
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const uint32_t x, |
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const uint32_t y, |
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const int32_t dx, |
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const int32_t dy, |
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const uint32_t stride, |
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const uint32_t quarterpel, |
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const uint32_t rounding) |
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{ |
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if(quarterpel) { |
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interpolate16x16_quarterpel((uint8_t *) refv, (uint8_t *) ref, (uint8_t *) refh, |
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(uint8_t *) refh + 64, (uint8_t *) refhv, x, y, dx, dy, stride, rounding); |
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transfer_8to16sub(dct_codes, cur + y*stride + x, |
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refv + y*stride + x, stride); |
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transfer_8to16sub(dct_codes+64, cur + y*stride + x + 8, |
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refv + y*stride + x + 8, stride); |
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transfer_8to16sub(dct_codes+128, cur + y*stride + x + 8*stride, |
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refv + y*stride + x + 8*stride, stride); |
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transfer_8to16sub(dct_codes+192, cur + y*stride + x + 8*stride + 8, |
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refv + y*stride + x + 8*stride+8, stride); |
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} |
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else |
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{ |
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const uint8_t * reference; |
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switch (((dx & 1) << 1) + (dy & 1)) // ((dx%2)?2:0)+((dy%2)?1:0) |
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{ |
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case 0: reference = ref + ((y + dy / 2) * stride + x + dx / 2); break; |
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case 1: reference = refv + ((y + (dy-1) / 2) * stride + x + dx / 2); break; |
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case 2: reference = refh + ((y + dy / 2) * stride + x + (dx-1) / 2); break; |
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default: // case 3: |
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reference = refhv + ((y + (dy-1) / 2) * stride + x + (dx-1) / 2); break; |
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} |
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transfer_8to16sub(dct_codes, cur + y * stride + x, |
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reference, stride); |
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transfer_8to16sub(dct_codes+64, cur + y * stride + x + 8, |
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reference + 8, stride); |
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transfer_8to16sub(dct_codes+128, cur + y * stride + x + 8*stride, |
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reference + 8*stride, stride); |
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transfer_8to16sub(dct_codes+192, cur + y * stride + x + 8*stride+8, |
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reference + 8*stride + 8, stride); |
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} |
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} |
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static __inline void |
static __inline void |
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compensate8x8_interpolate(int16_t * const dct_codes, |
compensate8x8_interpolate(int16_t * const dct_codes, |
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dy = mb->qmvs[0].y; |
dy = mb->qmvs[0].y; |
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} |
} |
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compensate8x8_interpolate(&dct_codes[0 * 64], cur->y, ref->y, refh->y, |
compensate16x16_interpolate(&dct_codes[0 * 64], cur->y, ref->y, refh->y, |
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refv->y, refhv->y, 16 * i, 16 * j, dx, dy, |
refv->y, refhv->y, 16 * i, 16 * j, dx, |
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edged_width, quarterpel, rounding); |
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compensate8x8_interpolate(&dct_codes[1 * 64], cur->y, ref->y, refh->y, |
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refv->y, refhv->y, 16 * i + 8, 16 * j, dx, dy, |
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edged_width, quarterpel, rounding); |
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compensate8x8_interpolate(&dct_codes[2 * 64], cur->y, ref->y, refh->y, |
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refv->y, refhv->y, 16 * i, 16 * j + 8, dx, dy, |
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edged_width, quarterpel, rounding); |
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compensate8x8_interpolate(&dct_codes[3 * 64], cur->y, ref->y, refh->y, |
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refv->y, refhv->y, 16 * i + 8, 16 * j + 8, dx, |
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dy, edged_width, quarterpel, rounding); |
dy, edged_width, quarterpel, rounding); |
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if (quarterpel) |
if (quarterpel) |
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{ |
{ |
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dx = (dx >> 1) | (dx & 1); |
dx /= 2; |
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dy = (dy >> 1) | (dy & 1); |
dy /= 2; |
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} |
} |
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dx = (dx & 3) ? (dx >> 1) | 1 : dx / 2; |
dx = (dx >> 1) + roundtab_79[dx & 0x3]; |
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dy = (dy & 3) ? (dy >> 1) | 1 : dy / 2; |
dy = (dy >> 1) + roundtab_79[dy & 0x3]; |
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/* uv-block-based compensation */ |
/* uv-block-based compensation */ |
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transfer_8to16sub(&dct_codes[4 * 64], |
transfer_8to16sub(&dct_codes[4 * 64], |
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refv->y, refhv->y, 16 * i + 8, 16 * j + 8, |
refv->y, refhv->y, 16 * i + 8, 16 * j + 8, |
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mvs[3].x, mvs[3].y, edged_width, quarterpel, rounding); |
mvs[3].x, mvs[3].y, edged_width, quarterpel, rounding); |
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sum = mvs[0].x + mvs[1].x + mvs[2].x + mvs[3].x; |
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if(quarterpel) |
if(quarterpel) |
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sum /= 2; |
sum = (mvs[0].x / 2) + (mvs[1].x / 2) + (mvs[2].x / 2) + (mvs[3].x / 2); |
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else |
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dx = (sum ? SIGN(sum) * |
sum = mvs[0].x + mvs[1].x + mvs[2].x + mvs[3].x; |
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(roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2) : 0); |
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sum = mvs[0].y + mvs[1].y + mvs[2].y + mvs[3].y; |
dx = (sum >> 3) + roundtab_76[sum & 0xf]; |
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if(quarterpel) |
if(quarterpel) |
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sum /= 2; |
sum = (mvs[0].y / 2) + (mvs[1].y / 2) + (mvs[2].y / 2) + (mvs[3].y / 2); |
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else |
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sum = mvs[0].y + mvs[1].y + mvs[2].y + mvs[3].y; |
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dy = (sum ? SIGN(sum) * |
dy = (sum >> 3) + roundtab_76[sum & 0xf]; |
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(roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2) : 0); |
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/* uv-block-based compensation */ |
/* uv-block-based compensation */ |
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transfer_8to16sub(&dct_codes[4 * 64], |
transfer_8to16sub(&dct_codes[4 * 64], |
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