| /* |
| * Copyright (c) 2010 The WebM project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #include "vpx_config.h" |
| #include "vp8_rtcd.h" |
| #include "vp8/common/blockd.h" |
| #include "vpx_mem/vpx_mem.h" |
| |
| extern void vp8_dequantize_b_impl_mmx(short *sq, short *dq, short *q); |
| |
| void vp8_dequantize_b_mmx(BLOCKD *d, short *DQC) |
| { |
| short *sq = (short *) d->qcoeff; |
| short *dq = (short *) d->dqcoeff; |
| |
| vp8_dequantize_b_impl_mmx(sq, dq, DQC); |
| } |
| |
| void vp8_dequant_idct_add_y_block_mmx |
| (short *q, short *dq, |
| unsigned char *dst, int stride, char *eobs) |
| { |
| int i; |
| |
| for (i = 0; i < 4; i++) |
| { |
| if (eobs[0] > 1) |
| vp8_dequant_idct_add_mmx (q, dq, dst, stride); |
| else if (eobs[0] == 1) |
| { |
| vp8_dc_only_idct_add_mmx (q[0]*dq[0], dst, stride, dst, stride); |
| memset(q, 0, 2 * sizeof(q[0])); |
| } |
| |
| if (eobs[1] > 1) |
| vp8_dequant_idct_add_mmx (q+16, dq, dst+4, stride); |
| else if (eobs[1] == 1) |
| { |
| vp8_dc_only_idct_add_mmx (q[16]*dq[0], dst+4, stride, |
| dst+4, stride); |
| memset(q + 16, 0, 2 * sizeof(q[0])); |
| } |
| |
| if (eobs[2] > 1) |
| vp8_dequant_idct_add_mmx (q+32, dq, dst+8, stride); |
| else if (eobs[2] == 1) |
| { |
| vp8_dc_only_idct_add_mmx (q[32]*dq[0], dst+8, stride, |
| dst+8, stride); |
| memset(q + 32, 0, 2 * sizeof(q[0])); |
| } |
| |
| if (eobs[3] > 1) |
| vp8_dequant_idct_add_mmx (q+48, dq, dst+12, stride); |
| else if (eobs[3] == 1) |
| { |
| vp8_dc_only_idct_add_mmx (q[48]*dq[0], dst+12, stride, |
| dst+12, stride); |
| memset(q + 48, 0, 2 * sizeof(q[0])); |
| } |
| |
| q += 64; |
| dst += 4*stride; |
| eobs += 4; |
| } |
| } |
| |
| void vp8_dequant_idct_add_uv_block_mmx |
| (short *q, short *dq, |
| unsigned char *dstu, unsigned char *dstv, int stride, char *eobs) |
| { |
| int i; |
| |
| for (i = 0; i < 2; i++) |
| { |
| if (eobs[0] > 1) |
| vp8_dequant_idct_add_mmx (q, dq, dstu, stride); |
| else if (eobs[0] == 1) |
| { |
| vp8_dc_only_idct_add_mmx (q[0]*dq[0], dstu, stride, dstu, stride); |
| memset(q, 0, 2 * sizeof(q[0])); |
| } |
| |
| if (eobs[1] > 1) |
| vp8_dequant_idct_add_mmx (q+16, dq, dstu+4, stride); |
| else if (eobs[1] == 1) |
| { |
| vp8_dc_only_idct_add_mmx (q[16]*dq[0], dstu+4, stride, |
| dstu+4, stride); |
| memset(q + 16, 0, 2 * sizeof(q[0])); |
| } |
| |
| q += 32; |
| dstu += 4*stride; |
| eobs += 2; |
| } |
| |
| for (i = 0; i < 2; i++) |
| { |
| if (eobs[0] > 1) |
| vp8_dequant_idct_add_mmx (q, dq, dstv, stride); |
| else if (eobs[0] == 1) |
| { |
| vp8_dc_only_idct_add_mmx (q[0]*dq[0], dstv, stride, dstv, stride); |
| memset(q, 0, 2 * sizeof(q[0])); |
| } |
| |
| if (eobs[1] > 1) |
| vp8_dequant_idct_add_mmx (q+16, dq, dstv+4, stride); |
| else if (eobs[1] == 1) |
| { |
| vp8_dc_only_idct_add_mmx (q[16]*dq[0], dstv+4, stride, |
| dstv+4, stride); |
| memset(q + 16, 0, 2 * sizeof(q[0])); |
| } |
| |
| q += 32; |
| dstv += 4*stride; |
| eobs += 2; |
| } |
| } |