The Tor Browser / file comparison
comparison: media/libvpx/vp8/common/mbpitch.c
media/libvpx/vp8/common/mbpitch.c
- branch
- TOR_BUG_9701
- changeset 10
- ac0c01689b40
equal
deleted
inserted
replaced
| -1:000000000000 | 0:d93ea4a45920 |
|---|---|
| 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 | |
| 12 #include "blockd.h" | |
| 13 | |
| 14 void vp8_setup_block_dptrs(MACROBLOCKD *x) | |
| 15 { | |
| 16 int r, c; | |
| 17 | |
| 18 for (r = 0; r < 4; r++) | |
| 19 { | |
| 20 for (c = 0; c < 4; c++) | |
| 21 { | |
| 22 x->block[r*4+c].predictor = x->predictor + r * 4 * 16 + c * 4; | |
| 23 } | |
| 24 } | |
| 25 | |
| 26 for (r = 0; r < 2; r++) | |
| 27 { | |
| 28 for (c = 0; c < 2; c++) | |
| 29 { | |
| 30 x->block[16+r*2+c].predictor = x->predictor + 256 + r * 4 * 8 + c * 4; | |
| 31 | |
| 32 } | |
| 33 } | |
| 34 | |
| 35 for (r = 0; r < 2; r++) | |
| 36 { | |
| 37 for (c = 0; c < 2; c++) | |
| 38 { | |
| 39 x->block[20+r*2+c].predictor = x->predictor + 320 + r * 4 * 8 + c * 4; | |
| 40 | |
| 41 } | |
| 42 } | |
| 43 | |
| 44 for (r = 0; r < 25; r++) | |
| 45 { | |
| 46 x->block[r].qcoeff = x->qcoeff + r * 16; | |
| 47 x->block[r].dqcoeff = x->dqcoeff + r * 16; | |
| 48 x->block[r].eob = x->eobs + r; | |
| 49 } | |
| 50 } | |
| 51 | |
| 52 void vp8_build_block_doffsets(MACROBLOCKD *x) | |
| 53 { | |
| 54 int block; | |
| 55 | |
| 56 for (block = 0; block < 16; block++) /* y blocks */ | |
| 57 { | |
| 58 x->block[block].offset = | |
| 59 (block >> 2) * 4 * x->dst.y_stride + (block & 3) * 4; | |
| 60 } | |
| 61 | |
| 62 for (block = 16; block < 20; block++) /* U and V blocks */ | |
| 63 { | |
| 64 x->block[block+4].offset = | |
| 65 x->block[block].offset = | |
| 66 ((block - 16) >> 1) * 4 * x->dst.uv_stride + (block & 1) * 4; | |
| 67 } | |
| 68 } |
