The Tor Browser / file comparison
comparison: media/libvpx/vp8/common/x86/idct_blk_mmx.c
media/libvpx/vp8/common/x86/idct_blk_mmx.c
- branch
- TOR_BUG_9701
- changeset 10
- ac0c01689b40
equal
deleted
inserted
replaced
| -1:000000000000 | 0:f532561021fd |
|---|---|
| 1 /* | |
| 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license | |
| 5 * that can be found in the LICENSE file in the root of the source | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 | |
| 11 #include "vpx_config.h" | |
| 12 #include "vp8_rtcd.h" | |
| 13 #include "vp8/common/blockd.h" | |
| 14 #include "vpx_mem/vpx_mem.h" | |
| 15 | |
| 16 extern void vp8_dequantize_b_impl_mmx(short *sq, short *dq, short *q); | |
| 17 | |
| 18 void vp8_dequantize_b_mmx(BLOCKD *d, short *DQC) | |
| 19 { | |
| 20 short *sq = (short *) d->qcoeff; | |
| 21 short *dq = (short *) d->dqcoeff; | |
| 22 | |
| 23 vp8_dequantize_b_impl_mmx(sq, dq, DQC); | |
| 24 } | |
| 25 | |
| 26 void vp8_dequant_idct_add_y_block_mmx | |
| 27 (short *q, short *dq, | |
| 28 unsigned char *dst, int stride, char *eobs) | |
| 29 { | |
| 30 int i; | |
| 31 | |
| 32 for (i = 0; i < 4; i++) | |
| 33 { | |
| 34 if (eobs[0] > 1) | |
| 35 vp8_dequant_idct_add_mmx (q, dq, dst, stride); | |
| 36 else if (eobs[0] == 1) | |
| 37 { | |
| 38 vp8_dc_only_idct_add_mmx (q[0]*dq[0], dst, stride, dst, stride); | |
| 39 vpx_memset(q, 0, 2 * sizeof(q[0])); | |
| 40 } | |
| 41 | |
| 42 if (eobs[1] > 1) | |
| 43 vp8_dequant_idct_add_mmx (q+16, dq, dst+4, stride); | |
| 44 else if (eobs[1] == 1) | |
| 45 { | |
| 46 vp8_dc_only_idct_add_mmx (q[16]*dq[0], dst+4, stride, | |
| 47 dst+4, stride); | |
| 48 vpx_memset(q + 16, 0, 2 * sizeof(q[0])); | |
| 49 } | |
| 50 | |
| 51 if (eobs[2] > 1) | |
| 52 vp8_dequant_idct_add_mmx (q+32, dq, dst+8, stride); | |
| 53 else if (eobs[2] == 1) | |
| 54 { | |
| 55 vp8_dc_only_idct_add_mmx (q[32]*dq[0], dst+8, stride, | |
| 56 dst+8, stride); | |
| 57 vpx_memset(q + 32, 0, 2 * sizeof(q[0])); | |
| 58 } | |
| 59 | |
| 60 if (eobs[3] > 1) | |
| 61 vp8_dequant_idct_add_mmx (q+48, dq, dst+12, stride); | |
| 62 else if (eobs[3] == 1) | |
| 63 { | |
| 64 vp8_dc_only_idct_add_mmx (q[48]*dq[0], dst+12, stride, | |
| 65 dst+12, stride); | |
| 66 vpx_memset(q + 48, 0, 2 * sizeof(q[0])); | |
| 67 } | |
| 68 | |
| 69 q += 64; | |
| 70 dst += 4*stride; | |
| 71 eobs += 4; | |
| 72 } | |
| 73 } | |
| 74 | |
| 75 void vp8_dequant_idct_add_uv_block_mmx | |
| 76 (short *q, short *dq, | |
| 77 unsigned char *dstu, unsigned char *dstv, int stride, char *eobs) | |
| 78 { | |
| 79 int i; | |
| 80 | |
| 81 for (i = 0; i < 2; i++) | |
| 82 { | |
| 83 if (eobs[0] > 1) | |
| 84 vp8_dequant_idct_add_mmx (q, dq, dstu, stride); | |
| 85 else if (eobs[0] == 1) | |
| 86 { | |
| 87 vp8_dc_only_idct_add_mmx (q[0]*dq[0], dstu, stride, dstu, stride); | |
| 88 vpx_memset(q, 0, 2 * sizeof(q[0])); | |
| 89 } | |
| 90 | |
| 91 if (eobs[1] > 1) | |
| 92 vp8_dequant_idct_add_mmx (q+16, dq, dstu+4, stride); | |
| 93 else if (eobs[1] == 1) | |
| 94 { | |
| 95 vp8_dc_only_idct_add_mmx (q[16]*dq[0], dstu+4, stride, | |
| 96 dstu+4, stride); | |
| 97 vpx_memset(q + 16, 0, 2 * sizeof(q[0])); | |
| 98 } | |
| 99 | |
| 100 q += 32; | |
| 101 dstu += 4*stride; | |
| 102 eobs += 2; | |
| 103 } | |
| 104 | |
| 105 for (i = 0; i < 2; i++) | |
| 106 { | |
| 107 if (eobs[0] > 1) | |
| 108 vp8_dequant_idct_add_mmx (q, dq, dstv, stride); | |
| 109 else if (eobs[0] == 1) | |
| 110 { | |
| 111 vp8_dc_only_idct_add_mmx (q[0]*dq[0], dstv, stride, dstv, stride); | |
| 112 vpx_memset(q, 0, 2 * sizeof(q[0])); | |
| 113 } | |
| 114 | |
| 115 if (eobs[1] > 1) | |
| 116 vp8_dequant_idct_add_mmx (q+16, dq, dstv+4, stride); | |
| 117 else if (eobs[1] == 1) | |
| 118 { | |
| 119 vp8_dc_only_idct_add_mmx (q[16]*dq[0], dstv+4, stride, | |
| 120 dstv+4, stride); | |
| 121 vpx_memset(q + 16, 0, 2 * sizeof(q[0])); | |
| 122 } | |
| 123 | |
| 124 q += 32; | |
| 125 dstv += 4*stride; | |
| 126 eobs += 2; | |
| 127 } | |
| 128 } |
