144 lines
4.2 KiB
C
144 lines
4.2 KiB
C
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "vpx_ports/config.h"
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#include "vp9/common/idct.h"
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#include "vp9/decoder/dequantize.h"
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void vp9_dequant_dc_idct_add_y_block_mmx(short *q, short *dq,
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unsigned char *pre,
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unsigned char *dst,
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int stride, char *eobs, short *dc) {
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int i;
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for (i = 0; i < 4; i++) {
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if (eobs[0] > 1)
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vp9_dequant_dc_idct_add_mmx(q, dq, pre, dst, 16, stride, dc[0]);
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else
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vp9_dc_only_idct_add_mmx(dc[0], pre, dst, 16, stride);
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if (eobs[1] > 1)
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vp9_dequant_dc_idct_add_mmx(q + 16, dq, pre + 4,
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dst + 4, 16, stride, dc[1]);
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else
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vp9_dc_only_idct_add_mmx(dc[1], pre + 4, dst + 4, 16, stride);
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if (eobs[2] > 1)
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vp9_dequant_dc_idct_add_mmx(q + 32, dq, pre + 8,
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dst + 8, 16, stride, dc[2]);
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else
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vp9_dc_only_idct_add_mmx(dc[2], pre + 8, dst + 8, 16, stride);
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if (eobs[3] > 1)
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vp9_dequant_dc_idct_add_mmx(q + 48, dq, pre + 12,
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dst + 12, 16, stride, dc[3]);
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else
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vp9_dc_only_idct_add_mmx(dc[3], pre + 12, dst + 12, 16, stride);
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q += 64;
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dc += 4;
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pre += 64;
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dst += 4 * stride;
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eobs += 4;
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}
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}
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void vp9_dequant_idct_add_y_block_mmx(short *q, short *dq,
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unsigned char *pre,
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unsigned char *dst,
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int stride, char *eobs) {
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int i;
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for (i = 0; i < 4; i++) {
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if (eobs[0] > 1)
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vp9_dequant_idct_add_mmx(q, dq, pre, dst, 16, stride);
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else {
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vp9_dc_only_idct_add_mmx(q[0]*dq[0], pre, dst, 16, stride);
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((int *)q)[0] = 0;
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}
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if (eobs[1] > 1)
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vp9_dequant_idct_add_mmx(q + 16, dq, pre + 4, dst + 4, 16, stride);
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else {
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vp9_dc_only_idct_add_mmx(q[16]*dq[0], pre + 4, dst + 4, 16, stride);
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((int *)(q + 16))[0] = 0;
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}
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if (eobs[2] > 1)
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vp9_dequant_idct_add_mmx(q + 32, dq, pre + 8, dst + 8, 16, stride);
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else {
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vp9_dc_only_idct_add_mmx(q[32]*dq[0], pre + 8, dst + 8, 16, stride);
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((int *)(q + 32))[0] = 0;
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}
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if (eobs[3] > 1)
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vp9_dequant_idct_add_mmx(q + 48, dq, pre + 12, dst + 12, 16, stride);
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else {
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vp9_dc_only_idct_add_mmx(q[48]*dq[0], pre + 12, dst + 12, 16, stride);
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((int *)(q + 48))[0] = 0;
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}
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q += 64;
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pre += 64;
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dst += 4 * stride;
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eobs += 4;
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}
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}
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void vp9_dequant_idct_add_uv_block_mmx(short *q, short *dq,
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unsigned char *pre,
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unsigned char *dstu,
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unsigned char *dstv,
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int stride, char *eobs) {
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int i;
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for (i = 0; i < 2; i++) {
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if (eobs[0] > 1)
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vp9_dequant_idct_add_mmx(q, dq, pre, dstu, 8, stride);
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else {
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vp9_dc_only_idct_add_mmx(q[0]*dq[0], pre, dstu, 8, stride);
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((int *)q)[0] = 0;
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}
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if (eobs[1] > 1)
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vp9_dequant_idct_add_mmx(q + 16, dq, pre + 4, dstu + 4, 8, stride);
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else {
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vp9_dc_only_idct_add_mmx(q[16]*dq[0], pre + 4, dstu + 4, 8, stride);
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((int *)(q + 16))[0] = 0;
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}
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q += 32;
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pre += 32;
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dstu += 4 * stride;
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eobs += 2;
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}
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for (i = 0; i < 2; i++) {
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if (eobs[0] > 1)
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vp9_dequant_idct_add_mmx(q, dq, pre, dstv, 8, stride);
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else {
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vp9_dc_only_idct_add_mmx(q[0]*dq[0], pre, dstv, 8, stride);
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((int *)q)[0] = 0;
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}
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if (eobs[1] > 1)
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vp9_dequant_idct_add_mmx(q + 16, dq, pre + 4, dstv + 4, 8, stride);
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else {
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vp9_dc_only_idct_add_mmx(q[16]*dq[0], pre + 4, dstv + 4, 8, stride);
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((int *)(q + 16))[0] = 0;
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}
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q += 32;
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pre += 32;
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dstv += 4 * stride;
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eobs += 2;
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}
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}
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