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I420 and NV12 rotate functions.
Consolidate rotate files. Add unit tests for I420 and NV12 rotate functions. Fix remaining pitch/stride references. Review URL: http://webrtc-codereview.appspot.com/239001 git-svn-id: http://libyuv.googlecode.com/svn/trunk@32 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
frkoenig@google.com
parent
a1280730c2
commit
3de12ae1c6
@ -20,14 +20,6 @@
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namespace libyuv {
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// Supported rotation
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enum RotationMode {
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kRotateNone = 0,
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kRotateClockwise = 90,
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kRotateCounterClockwise = 270,
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kRotate180 = 180,
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};
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// I420 mirror
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int
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I420Mirror(const uint8* src_yplane, int src_ystride,
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@ -50,17 +42,6 @@ I420Crop(uint8* frame,
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int src_width, int src_height,
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int dst_width, int dst_height);
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// Rotate I420 frame
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int
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I420Rotate(const uint8* src_yplane, int src_ystride,
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const uint8* src_uplane, int src_ustride,
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const uint8* src_vplane, int src_vstride,
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uint8* dst_yplane, int dst_ystride,
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uint8* dst_uplane, int dst_ustride,
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uint8* dst_vplane, int dst_vstride,
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int width, int height,
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RotationMode mode);
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} // namespace libyuv
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#endif // INCLUDE_LIBYUV_GENERAL_H_
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50
include/libyuv/rotate.h
Normal file
50
include/libyuv/rotate.h
Normal file
@ -0,0 +1,50 @@
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/*
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* Copyright (c) 2011 The LibYuv 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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#ifndef INCLUDE_LIBYUV_ROTATE_H_
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#define INCLUDE_LIBYUV_ROTATE_H_
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#include "libyuv/basic_types.h"
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namespace libyuv {
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// Supported rotation
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enum RotationMode {
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kRotateNone = 0,
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kRotateClockwise = 90,
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kRotateCounterClockwise = 270,
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kRotate180 = 180,
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};
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// Rotate I420 frame
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int
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I420Rotate(const uint8* src_y, int src_stride_y,
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const uint8* src_u, int src_stride_u,
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const uint8* src_v, int src_stride_v,
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uint8* dst_y, int dst_stride_y,
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uint8* dst_u, int dst_stride_u,
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uint8* dst_v, int dst_stride_v,
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int width, int height,
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RotationMode mode);
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// Split a NV12 input buffer into Y, U, V buffers and
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// then rotate the buffers.
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int
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NV12ToI420Rotate(const uint8* src_y, int src_stride_y,
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const uint8* src_uv, int src_stride_uv,
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uint8* dst_y, int dst_stride_y,
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uint8* dst_u, int dst_stride_u,
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uint8* dst_v, int dst_stride_v,
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int width, int height,
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RotationMode mode);
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} // namespace libyuv
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#endif // INCLUDE_LIBYUV_ROTATE_H_
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@ -44,7 +44,6 @@
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'source/general.cc',
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'source/planar_functions.cc',
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'source/rotate.cc',
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'source/rotate_deinterleave.cc',
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'source/row_table.cc',
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'source/scale.cc',
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'source/video_common.cc',
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@ -13,7 +13,6 @@
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#include <string.h> // memcpy(), memset()
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#include "libyuv/planar_functions.h"
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#include "rotate.h"
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namespace libyuv {
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@ -282,66 +281,4 @@ I420CropPad(const uint8* src_frame, int src_width,
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return 0;
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}
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int
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I420Rotate(const uint8* src_yplane, int src_ystride,
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const uint8* src_uplane, int src_ustride,
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const uint8* src_vplane, int src_vstride,
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uint8* dst_yplane, int dst_ystride,
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uint8* dst_uplane, int dst_ustride,
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uint8* dst_vplane, int dst_vstride,
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int width, int height,
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RotationMode mode) {
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switch (mode) {
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case kRotateNone:
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// copy frame
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return I420Copy(src_yplane, src_ystride,
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src_uplane, src_ustride,
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src_vplane, src_vstride,
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dst_yplane, dst_ystride,
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dst_uplane, dst_ustride,
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dst_vplane, dst_vstride,
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width, height);
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break;
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case kRotateClockwise:
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Rotate90(src_yplane, src_ystride,
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dst_yplane, dst_ystride,
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width, height);
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Rotate90(src_uplane, src_ustride,
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dst_uplane, dst_ustride,
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width, height);
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Rotate90(src_vplane, src_vstride,
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dst_vplane, dst_vstride,
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width, height);
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return 0;
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break;
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case kRotateCounterClockwise:
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Rotate270(src_yplane, src_ystride,
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dst_yplane, dst_ystride,
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width, height);
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Rotate270(src_uplane, src_ustride,
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dst_uplane, dst_ustride,
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width, height);
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Rotate270(src_vplane, src_vstride,
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dst_vplane, dst_vstride,
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width, height);
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return 0;
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break;
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case kRotate180:
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Rotate180(src_yplane, src_ystride,
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dst_yplane, dst_ystride,
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width, height);
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Rotate180(src_uplane, src_ustride,
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dst_uplane, dst_ustride,
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width, height);
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Rotate180(src_vplane, src_vstride,
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dst_vplane, dst_vstride,
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width, height);
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return 0;
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break;
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default:
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return -1;
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break;
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}
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}
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} // namespace libyuv
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381
source/rotate.cc
381
source/rotate.cc
@ -8,107 +8,135 @@
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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 "rotate.h"
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#include "libyuv/planar_functions.h"
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#include "libyuv/rotate.h"
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#include "rotate_priv.h"
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namespace libyuv {
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typedef void (*reverse_uv_func)(const uint8*, uint8*, uint8*, int);
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typedef void (*reverse_func)(const uint8*, uint8*, int);
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typedef void (*rotate_wx8func)(const uint8*, int, uint8*, int, int);
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typedef void (*rotate_wxhfunc)(const uint8*, int, uint8*, int, int, int);
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typedef void (*rotate_uv_wx8_func)(const uint8*, int,
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uint8*, int,
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uint8*, int, int);
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typedef void (*rotate_uv_wxh_func)(const uint8*, int,
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uint8*, int,
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uint8*, int, int, int);
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typedef void (*rotate_wx8_func)(const uint8*, int, uint8*, int, int);
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typedef void (*rotate_wxh_func)(const uint8*, int, uint8*, int, int, int);
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#ifdef __ARM_NEON__
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extern "C" {
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void RestoreRegisters_NEON(unsigned long long *restore);
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void SaveRegisters_NEON(unsigned long long *store);
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void ReverseLine_NEON(const uint8* src, uint8* dst, int width);
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void Transpose_wx8_NEON(const uint8* src, int src_stride,
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uint8* dst, int dst_stride, int width);
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void ReverseLineUV_NEON(const uint8* src,
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uint8* dst_a, uint8* dst_b,
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int width);
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void TransposeWx8_NEON(const uint8* src, int src_stride,
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uint8* dst, int dst_stride, int width);
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void TransposeUVWx8_NEON(const uint8* src, int src_stride,
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uint8* dst_a, int dst_stride_a,
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uint8* dst_b, int dst_stride_b,
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int width);
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} // extern "C"
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#endif
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static void Transpose_wx8_C(const uint8* src, int src_stride,
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uint8* dst, int dst_stride,
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int w) {
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static void TransposeWx8_C(const uint8* src, int src_stride,
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uint8* dst, int dst_stride,
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int w) {
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int i, j;
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for (i = 0; i < w; ++i)
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for (j = 0; j < 8; ++j)
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dst[i * dst_stride + j] = src[j * src_stride + i];
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}
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static void Transpose_wxh_C(const uint8* src, int src_stride,
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uint8* dst, int dst_stride,
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int width, int height) {
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static void TransposeWxH_C(const uint8* src, int src_stride,
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uint8* dst, int dst_stride,
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int width, int height) {
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int i, j;
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for (i = 0; i < width; ++i)
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for (j = 0; j < height; ++j)
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dst[i * dst_stride + j] = src[j * src_stride + i];
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}
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void Transpose(const uint8* src, int src_stride,
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uint8* dst, int dst_stride,
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int width, int height) {
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void TransposePlane(const uint8* src, int src_stride,
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uint8* dst, int dst_stride,
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int width, int height) {
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int i = height;
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rotate_wx8func Transpose_wx8;
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rotate_wxhfunc Transpose_wxh;
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rotate_wx8_func TransposeWx8;
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rotate_wxh_func TransposeWxH;
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// do processor detection here.
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#ifdef __ARM_NEON__
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Transpose_wx8 = Transpose_wx8_NEON;
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Transpose_wxh = Transpose_wxh_C;
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TransposeWx8 = TransposeWx8_NEON;
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TransposeWxH = TransposeWxH_C;
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#else
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Transpose_wx8 = Transpose_wx8_C;
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Transpose_wxh = Transpose_wxh_C;
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TransposeWx8 = TransposeWx8_C;
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TransposeWxH = TransposeWxH_C;
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#endif
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// work across the source in 8x8 tiles
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do {
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Transpose_wx8(src, src_stride, dst, dst_stride, width);
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while (i >= 8) {
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TransposeWx8(src, src_stride, dst, dst_stride, width);
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src += 8 * src_stride;
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dst += 8;
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src += 8 * src_stride; // go down 8 rows
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dst += 8; // move over 8 columns
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i -= 8;
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} while (i >= 8);
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}
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// TODO(frkoenig): Have wx4 and maybe wx2
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Transpose_wxh(src, src_stride, dst, dst_stride, width, i);
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TransposeWxH(src, src_stride, dst, dst_stride, width, i);
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}
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void Rotate90(const uint8* src, int src_stride,
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uint8* dst, int dst_stride,
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int width, int height) {
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src += src_stride*(height-1);
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void RotatePlane90(const uint8* src, int src_stride,
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uint8* dst, int dst_stride,
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int width, int height) {
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// Rotate by 90 is a transpose with the source read
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// from bottom to top. So set the source pointer to the end
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// of the buffer and flip the sign of the source stride.
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src += src_stride * (height - 1);
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src_stride = -src_stride;
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Transpose(src, src_stride, dst, dst_stride, width, height);
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TransposePlane(src, src_stride, dst, dst_stride, width, height);
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}
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void Rotate270(const uint8* src, int src_stride,
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uint8* dst, int dst_stride,
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int width, int height) {
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dst += dst_stride*(width-1);
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void RotatePlane270(const uint8* src, int src_stride,
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uint8* dst, int dst_stride,
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int width, int height) {
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// Rotate by 270 is a transpose with the destination written
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// from bottom to top. So set the destination pointer to the end
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// of the buffer and flip the sign of the destination stride.
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dst += dst_stride * (width - 1);
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dst_stride = -dst_stride;
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Transpose(src, src_stride, dst, dst_stride, width, height);
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TransposePlane(src, src_stride, dst, dst_stride, width, height);
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}
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void ReverseLine_C(const uint8* src, uint8* dst, int width) {
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int i;
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for (i = 0; i < width; ++i)
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dst[width-1 - i] = src[i];
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src += width;
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for (i = 0; i < width; ++i) {
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--src;
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dst[i] = src[0];
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}
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}
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void Rotate180(const uint8* src, int src_stride,
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uint8* dst, int dst_stride,
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int width, int height) {
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void RotatePlane180(const uint8* src, int src_stride,
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uint8* dst, int dst_stride,
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int width, int height) {
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int i;
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reverse_func ReverseLine;
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// do processor detection here.
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// TODO(frkoenig): do processor detection here.
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#ifdef __ARM_NEON__
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ReverseLine = ReverseLine_NEON;
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#else
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ReverseLine = ReverseLine_C;
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#endif
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dst += dst_stride*(height-1);
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// Rotate by 180 is a mirror with the destination
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// written in reverse.
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dst += dst_stride * (height - 1);
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for (i = 0; i < height; ++i) {
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ReverseLine(src, dst, width);
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@ -118,4 +146,269 @@ void Rotate180(const uint8* src, int src_stride,
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}
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}
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static void TransposeUVWx8_C(const uint8* src, int src_stride,
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uint8* dst_a, int dst_stride_a,
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uint8* dst_b, int dst_stride_b,
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int w) {
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int i, j;
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for (i = 0; i < w * 2; i += 2)
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for (j = 0; j < 8; ++j) {
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dst_a[j + ((i >> 1) * dst_stride_a)] = src[i + (j * src_stride)];
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dst_b[j + ((i >> 1) * dst_stride_b)] = src[i + (j * src_stride) + 1];
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}
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}
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static void TransposeUVWxH_C(const uint8* src, int src_stride,
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uint8* dst_a, int dst_stride_a,
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uint8* dst_b, int dst_stride_b,
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int w, int h) {
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int i, j;
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for (i = 0; i < w*2; i += 2)
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for (j = 0; j < h; ++j) {
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dst_a[j + ((i >> 1) * dst_stride_a)] = src[i + (j * src_stride)];
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dst_b[j + ((i >> 1) * dst_stride_b)] = src[i + (j * src_stride) + 1];
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}
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}
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void TransposeUV(const uint8* src, int src_stride,
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uint8* dst_a, int dst_stride_a,
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uint8* dst_b, int dst_stride_b,
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int width, int height) {
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int i = height;
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rotate_uv_wx8_func TransposeWx8;
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rotate_uv_wxh_func TransposeWxH;
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// do processor detection here.
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#ifdef __ARM_NEON__
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unsigned long long store_reg[8];
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SaveRegisters_NEON(store_reg);
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TransposeWx8 = TransposeUVWx8_NEON;
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TransposeWxH = TransposeUVWxH_C;
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#else
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TransposeWx8 = TransposeUVWx8_C;
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TransposeWxH = TransposeUVWxH_C;
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#endif
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// work through the source in 8x8 tiles
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while (i >= 8) {
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TransposeWx8(src, src_stride,
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dst_a, dst_stride_a,
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dst_b, dst_stride_b,
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width);
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src += 8 * src_stride; // go down 8 rows
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dst_a += 8; // move over 8 columns
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dst_b += 8; // move over 8 columns
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i -= 8;
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}
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TransposeWxH(src, src_stride,
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dst_a, dst_stride_a,
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dst_b, dst_stride_b,
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width, i);
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#ifdef __ARM_NEON__
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RestoreRegisters_NEON(store_reg);
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#endif
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}
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void RotateUV90(const uint8* src, int src_stride,
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uint8* dst_a, int dst_stride_a,
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uint8* dst_b, int dst_stride_b,
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int width, int height) {
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src += src_stride * (height - 1);
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src_stride = -src_stride;
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TransposeUV(src, src_stride,
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dst_a, dst_stride_a,
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dst_b, dst_stride_b,
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width, height);
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}
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void RotateUV270(const uint8* src, int src_stride,
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uint8* dst_a, int dst_stride_a,
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uint8* dst_b, int dst_stride_b,
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int width, int height) {
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dst_a += dst_stride_a * (width - 1);
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dst_b += dst_stride_b * (width - 1);
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dst_stride_a = -dst_stride_a;
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dst_stride_b = -dst_stride_b;
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TransposeUV(src, src_stride,
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dst_a, dst_stride_a,
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dst_b, dst_stride_b,
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width, height);
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}
|
||||
|
||||
static void ReverseLineUV_C(const uint8* src,
|
||||
uint8* dst_a, uint8* dst_b,
|
||||
int width) {
|
||||
int i;
|
||||
src += width << 1;
|
||||
for (i = 0; i < width; ++i) {
|
||||
src -= 2;
|
||||
dst_a[i] = src[0];
|
||||
dst_b[i] = src[1];
|
||||
}
|
||||
}
|
||||
|
||||
void RotateUV180(const uint8* src, int src_stride,
|
||||
uint8* dst_a, int dst_stride_a,
|
||||
uint8* dst_b, int dst_stride_b,
|
||||
int width, int height) {
|
||||
int i;
|
||||
reverse_uv_func ReverseLine;
|
||||
|
||||
// TODO(frkoenig) : do processor detection here.
|
||||
#ifdef __ARM_NEON__
|
||||
ReverseLine = ReverseLineUV_NEON;
|
||||
#else
|
||||
ReverseLine = ReverseLineUV_C;
|
||||
#endif
|
||||
|
||||
dst_a += dst_stride_a * (height - 1);
|
||||
dst_b += dst_stride_b * (height - 1);
|
||||
|
||||
for (i = 0; i < height; ++i) {
|
||||
ReverseLine(src, dst_a, dst_b, width);
|
||||
|
||||
src += src_stride; // down one line at a time
|
||||
dst_a -= dst_stride_a; // nominally up one line at a time
|
||||
dst_b -= dst_stride_b; // nominally up one line at a time
|
||||
}
|
||||
}
|
||||
|
||||
int I420Rotate(const uint8* src_y, int src_stride_y,
|
||||
const uint8* src_u, int src_stride_u,
|
||||
const uint8* src_v, int src_stride_v,
|
||||
uint8* dst_y, int dst_stride_y,
|
||||
uint8* dst_u, int dst_stride_u,
|
||||
uint8* dst_v, int dst_stride_v,
|
||||
int width, int height,
|
||||
RotationMode mode) {
|
||||
int halfwidth = (width + 1) >> 1;
|
||||
int halfheight = (height + 1) >> 1;
|
||||
|
||||
// Negative height means invert the image.
|
||||
if (height < 0) {
|
||||
height = -height;
|
||||
halfheight = (height + 1) >> 1;
|
||||
src_y = src_y + (height - 1) * src_stride_y;
|
||||
src_u = src_u + (halfheight - 1) * src_stride_u;
|
||||
src_v = src_v + (halfheight - 1) * src_stride_v;
|
||||
src_stride_y = -src_stride_y;
|
||||
src_stride_u = -src_stride_u;
|
||||
src_stride_v = -src_stride_v;
|
||||
}
|
||||
|
||||
switch (mode) {
|
||||
case kRotateNone:
|
||||
// copy frame
|
||||
return I420Copy(src_y, src_stride_y,
|
||||
src_u, src_stride_u,
|
||||
src_v, src_stride_v,
|
||||
dst_y, dst_stride_y,
|
||||
dst_u, dst_stride_u,
|
||||
dst_v, dst_stride_v,
|
||||
width, height);
|
||||
case kRotateClockwise:
|
||||
RotatePlane90(src_y, src_stride_y,
|
||||
dst_y, dst_stride_y,
|
||||
width, height);
|
||||
RotatePlane90(src_u, src_stride_u,
|
||||
dst_u, dst_stride_u,
|
||||
halfwidth, halfheight);
|
||||
RotatePlane90(src_v, src_stride_v,
|
||||
dst_v, dst_stride_v,
|
||||
halfwidth, halfheight);
|
||||
return 0;
|
||||
case kRotateCounterClockwise:
|
||||
RotatePlane270(src_y, src_stride_y,
|
||||
dst_y, dst_stride_y,
|
||||
width, height);
|
||||
RotatePlane270(src_u, src_stride_u,
|
||||
dst_u, dst_stride_u,
|
||||
halfwidth, halfheight);
|
||||
RotatePlane270(src_v, src_stride_v,
|
||||
dst_v, dst_stride_v,
|
||||
halfwidth, halfheight);
|
||||
return 0;
|
||||
case kRotate180:
|
||||
RotatePlane180(src_y, src_stride_y,
|
||||
dst_y, dst_stride_y,
|
||||
width, height);
|
||||
RotatePlane180(src_u, src_stride_u,
|
||||
dst_u, dst_stride_u,
|
||||
halfwidth, halfheight);
|
||||
RotatePlane180(src_v, src_stride_v,
|
||||
dst_v, dst_stride_v,
|
||||
halfwidth, halfheight);
|
||||
return 0;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
int NV12ToI420Rotate(const uint8* src_y, int src_stride_y,
|
||||
const uint8* src_uv, int src_stride_uv,
|
||||
uint8* dst_y, int dst_stride_y,
|
||||
uint8* dst_u, int dst_stride_u,
|
||||
uint8* dst_v, int dst_stride_v,
|
||||
int width, int height,
|
||||
RotationMode mode) {
|
||||
int halfwidth = (width + 1) >> 1;
|
||||
int halfheight = (height + 1) >> 1;
|
||||
|
||||
// Negative height means invert the image.
|
||||
if (height < 0) {
|
||||
height = -height;
|
||||
halfheight = (height + 1) >> 1;
|
||||
src_y = src_y + (height - 1) * src_stride_y;
|
||||
src_uv = src_uv + (halfheight - 1) * src_stride_uv;
|
||||
src_stride_y = -src_stride_y;
|
||||
src_stride_uv = -src_stride_uv;
|
||||
}
|
||||
|
||||
switch (mode) {
|
||||
case kRotateNone:
|
||||
// copy frame
|
||||
return NV12ToI420(src_y, src_uv, src_stride_y,
|
||||
dst_y, dst_stride_y,
|
||||
dst_u, dst_stride_u,
|
||||
dst_v, dst_stride_v,
|
||||
width, height);
|
||||
case kRotateClockwise:
|
||||
RotatePlane90(src_y, src_stride_y,
|
||||
dst_y, dst_stride_y,
|
||||
width, height);
|
||||
RotateUV90(src_uv, src_stride_uv,
|
||||
dst_u, dst_stride_u,
|
||||
dst_v, dst_stride_v,
|
||||
halfwidth, halfheight);
|
||||
return 0;
|
||||
case kRotateCounterClockwise:
|
||||
RotatePlane270(src_y, src_stride_y,
|
||||
dst_y, dst_stride_y,
|
||||
width, height);
|
||||
RotateUV270(src_uv, src_stride_uv,
|
||||
dst_u, dst_stride_u,
|
||||
dst_v, dst_stride_v,
|
||||
halfwidth, halfheight);
|
||||
return 0;
|
||||
case kRotate180:
|
||||
RotatePlane180(src_y, src_stride_y,
|
||||
dst_y, dst_stride_y,
|
||||
width, height);
|
||||
RotateUV180(src_uv, src_stride_uv,
|
||||
dst_u, dst_stride_u,
|
||||
dst_v, dst_stride_v,
|
||||
halfwidth, halfheight);
|
||||
return 0;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
} // namespace libyuv
|
||||
|
||||
@ -1,46 +0,0 @@
|
||||
/*
|
||||
* Copyright (c) 2011 The LibYuv 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.
|
||||
*/
|
||||
|
||||
#ifndef LIBYUV_SOURCE_ROTATE_H_
|
||||
#define LIBYUV_SOURCE_ROTATE_H_
|
||||
|
||||
#include "libyuv/basic_types.h"
|
||||
|
||||
namespace libyuv {
|
||||
|
||||
void Rotate90(const uint8* src, int src_stride,
|
||||
uint8* dst, int dst_stride,
|
||||
int width, int height);
|
||||
void Rotate180(const uint8* src, int src_stride,
|
||||
uint8* dst, int dst_stride,
|
||||
int width, int height);
|
||||
void Rotate270(const uint8* src, int src_stride,
|
||||
uint8* dst, int dst_stride,
|
||||
int width, int height);
|
||||
|
||||
void Rotate90_deinterleave(const uint8* src, int src_stride,
|
||||
uint8* dst_a, int dst_stride_a,
|
||||
uint8* dst_b, int dst_stride_b,
|
||||
int width, int height);
|
||||
void Rotate180_deinterleave(const uint8* src, int src_stride,
|
||||
uint8* dst_a, int dst_stride_a,
|
||||
uint8* dst_b, int dst_stride_b,
|
||||
int width, int height);
|
||||
void Rotate270_deinterleave(const uint8* src, int src_stride,
|
||||
uint8* dst_a, int dst_stride_a,
|
||||
uint8* dst_b, int dst_stride_b,
|
||||
int width, int height);
|
||||
|
||||
void Transpose(const uint8* src, int src_stride,
|
||||
uint8* dst, int dst_stride,
|
||||
int width, int height);
|
||||
} // namespace libyuv
|
||||
|
||||
#endif // LIBYUV_SOURCE_ROTATE_H_
|
||||
@ -1,171 +0,0 @@
|
||||
/*
|
||||
* Copyright (c) 2011 The LibYuv 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 "rotate.h"
|
||||
|
||||
namespace libyuv {
|
||||
|
||||
typedef void (*reverse_func)(const uint8*, uint8*, uint8*, int);
|
||||
typedef void (*rotate_wx8func)(const uint8*, int,
|
||||
uint8*, int,
|
||||
uint8*, int, int);
|
||||
typedef void (*rotate_wxhfunc)(const uint8*, int,
|
||||
uint8*, int,
|
||||
uint8*, int, int, int);
|
||||
|
||||
#ifdef __ARM_NEON__
|
||||
extern "C" {
|
||||
void RestoreRegisters_NEON(unsigned long long *restore);
|
||||
void ReverseLine_di_NEON(const uint8* src,
|
||||
uint8* dst_a, uint8* dst_b,
|
||||
int width);
|
||||
void SaveRegisters_NEON(unsigned long long *store);
|
||||
void Transpose_di_wx8_NEON(const uint8* src, int src_stride,
|
||||
uint8* dst_a, int dst_stride_a,
|
||||
uint8* dst_b, int dst_stride_b,
|
||||
int width);
|
||||
} // extern "C"
|
||||
#endif
|
||||
|
||||
static void Transpose_di_wx8_C(const uint8* src, int src_stride,
|
||||
uint8* dst_a, int dst_stride_a,
|
||||
uint8* dst_b, int dst_stride_b,
|
||||
int w) {
|
||||
int i, j;
|
||||
for (i = 0; i < w*2; i += 2)
|
||||
for (j = 0; j < 8; ++j) {
|
||||
dst_a[j + (i>>1)*dst_stride_a] = src[i + j*src_stride];
|
||||
dst_b[j + (i>>1)*dst_stride_b] = src[i + j*src_stride + 1];
|
||||
}
|
||||
}
|
||||
|
||||
static void Transpose_di_wxh_C(const uint8* src, int src_stride,
|
||||
uint8* dst_a, int dst_stride_a,
|
||||
uint8* dst_b, int dst_stride_b,
|
||||
int w, int h) {
|
||||
int i, j;
|
||||
for (i = 0; i < w*2; i += 2)
|
||||
for (j = 0; j < h; ++j) {
|
||||
dst_a[j + (i>>1)*dst_stride_a] = src[i + j*src_stride];
|
||||
dst_b[j + (i>>1)*dst_stride_b] = src[i + j*src_stride + 1];
|
||||
}
|
||||
}
|
||||
|
||||
void Transpose_deinterleave(const uint8* src, int src_stride,
|
||||
uint8* dst_a, int dst_stride_a,
|
||||
uint8* dst_b, int dst_stride_b,
|
||||
int width, int height) {
|
||||
int i = height;
|
||||
rotate_wx8func Transpose_wx8;
|
||||
rotate_wxhfunc Transpose_wxh;
|
||||
|
||||
// do processor detection here.
|
||||
#ifdef __ARM_NEON__
|
||||
unsigned long long store_reg[8];
|
||||
SaveRegisters_NEON(store_reg);
|
||||
Transpose_wx8 = Transpose_di_wx8_NEON;
|
||||
Transpose_wxh = Transpose_di_wxh_C;
|
||||
#else
|
||||
Transpose_wx8 = Transpose_di_wx8_C;
|
||||
Transpose_wxh = Transpose_di_wxh_C;
|
||||
#endif
|
||||
|
||||
width >>= 1;
|
||||
|
||||
// work across the source in 8x8 tiles
|
||||
do {
|
||||
Transpose_wx8(src, src_stride,
|
||||
dst_a, dst_stride_a,
|
||||
dst_b, dst_stride_b,
|
||||
width);
|
||||
|
||||
src += 8 * src_stride;
|
||||
dst_a += 8;
|
||||
dst_b += 8;
|
||||
i -= 8;
|
||||
} while (i >= 8);
|
||||
|
||||
Transpose_wxh(src, src_stride,
|
||||
dst_a, dst_stride_a,
|
||||
dst_b, dst_stride_b,
|
||||
width, i);
|
||||
|
||||
#ifdef __ARM_NEON__
|
||||
RestoreRegisters_NEON(store_reg);
|
||||
#endif
|
||||
}
|
||||
|
||||
void Rotate90_deinterleave(const uint8* src, int src_stride,
|
||||
uint8* dst_a, int dst_stride_a,
|
||||
uint8* dst_b, int dst_stride_b,
|
||||
int width, int height) {
|
||||
src += src_stride*(height-1);
|
||||
src_stride = -src_stride;
|
||||
|
||||
Transpose_deinterleave(src, src_stride,
|
||||
dst_a, dst_stride_a,
|
||||
dst_b, dst_stride_b,
|
||||
width, height);
|
||||
}
|
||||
|
||||
void Rotate270_deinterleave(const uint8* src, int src_stride,
|
||||
uint8* dst_a, int dst_stride_a,
|
||||
uint8* dst_b, int dst_stride_b,
|
||||
int width, int height) {
|
||||
dst_a += dst_stride_a*((width>>1)-1);
|
||||
dst_b += dst_stride_b*((width>>1)-1);
|
||||
dst_stride_a = -dst_stride_a;
|
||||
dst_stride_b = -dst_stride_b;
|
||||
|
||||
Transpose_deinterleave(src, src_stride,
|
||||
dst_a, dst_stride_a,
|
||||
dst_b, dst_stride_b,
|
||||
width, height);
|
||||
}
|
||||
|
||||
static void ReverseLine_di_C(const uint8* src,
|
||||
uint8* dst_a, uint8* dst_b,
|
||||
int width) {
|
||||
int i;
|
||||
for (i = 0; i < width*2; i += 2) {
|
||||
dst_a[width-1 - (i>>1)] = src[i];
|
||||
dst_b[width-1 - (i>>1)] = src[i+1];
|
||||
}
|
||||
}
|
||||
|
||||
void Rotate180_deinterleave(const uint8* src, int src_stride,
|
||||
uint8* dst_a, int dst_stride_a,
|
||||
uint8* dst_b, int dst_stride_b,
|
||||
int width, int height) {
|
||||
int i;
|
||||
reverse_func ReverseLine;
|
||||
|
||||
// do processor detection here.
|
||||
#ifdef __ARM_NEON__
|
||||
ReverseLine = ReverseLine_di_NEON;
|
||||
#else
|
||||
ReverseLine = ReverseLine_di_C;
|
||||
#endif
|
||||
|
||||
dst_a += dst_stride_a*(height-1);
|
||||
dst_b += dst_stride_b*(height-1);
|
||||
|
||||
width >>= 1;
|
||||
|
||||
for (i = 0; i < height; ++i) {
|
||||
ReverseLine(src, dst_a, dst_b, width);
|
||||
|
||||
src += src_stride;
|
||||
dst_a -= dst_stride_a;
|
||||
dst_b -= dst_stride_b;
|
||||
}
|
||||
}
|
||||
|
||||
} // namespace libyuv
|
||||
@ -1,310 +0,0 @@
|
||||
.global RestoreRegisters_NEON
|
||||
.global ReverseLine_di_NEON
|
||||
.global SaveRegisters_NEON
|
||||
.global Transpose_di_wx8_NEON
|
||||
.type RestoreRegisters_NEON, function
|
||||
.type ReverseLine_di_NEON, function
|
||||
.type SaveRegisters_NEON, function
|
||||
.type Transpose_di_wx8_NEON, function
|
||||
|
||||
@ void SaveRegisters_NEON (unsigned long long store)
|
||||
@ r0 unsigned long long store
|
||||
SaveRegisters_NEON:
|
||||
vst1.i64 {d8, d9, d10, d11}, [r0]!
|
||||
vst1.i64 {d12, d13, d14, d15}, [r0]!
|
||||
bx lr
|
||||
|
||||
@ void RestoreRegisters_NEON (unsigned long long store)
|
||||
@ r0 unsigned long long store
|
||||
RestoreRegisters_NEON:
|
||||
vld1.i64 {d8, d9, d10, d11}, [r0]!
|
||||
vld1.i64 {d12, d13, d14, d15}, [r0]!
|
||||
bx lr
|
||||
|
||||
|
||||
@ void ReverseLine_NEON (const uint8* src,
|
||||
@ uint8* dst_a,
|
||||
@ uint8* dst_b,
|
||||
@ int width)
|
||||
@ r0 const uint8* src
|
||||
@ r1 uint8* dst_a
|
||||
@ r2 uint8* dst_b
|
||||
@ r3 width
|
||||
ReverseLine_di_NEON:
|
||||
|
||||
@ compute where to start writing destination
|
||||
add r1, r1, r3 @ dst_a + width
|
||||
add r2, r2, r3 @ dst_b + width
|
||||
|
||||
@ work on input segments that are multiples of 16, but
|
||||
@ width that has been passed is output segments, half
|
||||
@ the size of input.
|
||||
lsrs r12, r3, #3
|
||||
|
||||
beq .line_residuals
|
||||
|
||||
@ the output is written in to two blocks.
|
||||
mov r12, #-8
|
||||
|
||||
@ back of destination by the size of the register that is
|
||||
@ going to be reversed
|
||||
sub r1, r1, #8
|
||||
sub r2, r2, #8
|
||||
|
||||
@ the loop needs to run on blocks of 16. what will be left
|
||||
@ over is either a negative number, the residuals that need
|
||||
@ to be done, or 0. if this isn't subtracted off here the
|
||||
@ loop will run one extra time.
|
||||
sub r3, r3, #8
|
||||
|
||||
.segments_of_8:
|
||||
vld2.8 {d0, d1}, [r0]! @ src += 16
|
||||
|
||||
@ reverse the bytes in the 64 bit segments
|
||||
vrev64.8 q0, q0
|
||||
|
||||
vst1.8 {d0}, [r1], r12 @ dst_a -= 8
|
||||
vst1.8 {d1}, [r2], r12 @ dst_b -= 8
|
||||
|
||||
subs r3, r3, #8
|
||||
bge .segments_of_8
|
||||
|
||||
@ add 16 back to the counter. if the result is 0 there is no
|
||||
@ residuals so return
|
||||
adds r3, r3, #8
|
||||
bxeq lr
|
||||
|
||||
add r1, r1, #8
|
||||
add r2, r2, #8
|
||||
|
||||
.line_residuals:
|
||||
|
||||
mov r12, #-1
|
||||
|
||||
sub r1, r1, #1
|
||||
sub r2, r2, #1
|
||||
|
||||
@ do this in neon registers as per
|
||||
@ http://blogs.arm.com/software-enablement/196-coding-for-neon-part-2-dealing-with-leftovers/
|
||||
.segments_of_2:
|
||||
vld2.8 {d0[0], d1[0]}, [r0]! @ src += 2
|
||||
|
||||
vst1.8 {d0[0]}, [r1], r12 @ dst_a -= 1
|
||||
vst1.8 {d1[0]}, [r2], r12 @ dst_b -= 1
|
||||
|
||||
subs r3, r3, #1
|
||||
bgt .segments_of_2
|
||||
|
||||
bx lr
|
||||
|
||||
@ void Transpose_di_wx8_NEON (const uint8* src, int src_pitch,
|
||||
@ uint8* dst_a, int dst_pitch_a,
|
||||
@ uint8* dst_b, int dst_pitch_b,
|
||||
@ int width)
|
||||
@ r0 const uint8* src
|
||||
@ r1 int src_pitch
|
||||
@ r2 uint8* dst_a
|
||||
@ r3 int dst_pitch_a
|
||||
@ stack uint8* dst_b
|
||||
@ stack int dst_pitch_b
|
||||
@ stack int width
|
||||
Transpose_di_wx8_NEON:
|
||||
push {r4-r9,lr}
|
||||
|
||||
ldr r4, [sp, #28] @ dst_b
|
||||
ldr r5, [sp, #32] @ dst_pitch_b
|
||||
ldr r7, [sp, #36] @ width
|
||||
@ loops are on blocks of 8. loop will stop when
|
||||
@ counter gets to or below 0. starting the counter
|
||||
@ at w-8 allow for this
|
||||
sub r8, #8
|
||||
|
||||
@ handle 8x8 blocks. this should be the majority of the plane
|
||||
.loop_8x8:
|
||||
mov r9, r0
|
||||
|
||||
vld2.8 {d0, d1}, [r9], r1
|
||||
vld2.8 {d2, d3}, [r9], r1
|
||||
vld2.8 {d4, d5}, [r9], r1
|
||||
vld2.8 {d6, d7}, [r9], r1
|
||||
vld2.8 {d8, d9}, [r9], r1
|
||||
vld2.8 {d10, d11}, [r9], r1
|
||||
vld2.8 {d12, d13}, [r9], r1
|
||||
vld2.8 {d14, d15}, [r9]
|
||||
|
||||
vtrn.8 q1, q0
|
||||
vtrn.8 q3, q2
|
||||
vtrn.8 q5, q4
|
||||
vtrn.8 q7, q6
|
||||
|
||||
vtrn.16 q1, q3
|
||||
vtrn.16 q0, q2
|
||||
vtrn.16 q5, q7
|
||||
vtrn.16 q4, q6
|
||||
|
||||
vtrn.32 q1, q5
|
||||
vtrn.32 q0, q4
|
||||
vtrn.32 q3, q7
|
||||
vtrn.32 q2, q6
|
||||
|
||||
vrev16.8 q0, q0
|
||||
vrev16.8 q1, q1
|
||||
vrev16.8 q2, q2
|
||||
vrev16.8 q3, q3
|
||||
vrev16.8 q4, q4
|
||||
vrev16.8 q5, q5
|
||||
vrev16.8 q6, q6
|
||||
vrev16.8 q7, q7
|
||||
|
||||
mov r9, r2
|
||||
|
||||
vst1.8 {d2}, [r9], r3
|
||||
vst1.8 {d0}, [r9], r3
|
||||
vst1.8 {d6}, [r9], r3
|
||||
vst1.8 {d4}, [r9], r3
|
||||
vst1.8 {d10}, [r9], r3
|
||||
vst1.8 {d8}, [r9], r3
|
||||
vst1.8 {d14}, [r9], r3
|
||||
vst1.8 {d12}, [r9]
|
||||
|
||||
mov r9, r4
|
||||
|
||||
vst1.8 {d3}, [r9], r5
|
||||
vst1.8 {d1}, [r9], r5
|
||||
vst1.8 {d7}, [r9], r5
|
||||
vst1.8 {d5}, [r9], r5
|
||||
vst1.8 {d11}, [r9], r5
|
||||
vst1.8 {d9}, [r9], r5
|
||||
vst1.8 {d15}, [r9], r5
|
||||
vst1.8 {d13}, [r9]
|
||||
|
||||
add r0, #8*2 @ src += 8*2
|
||||
add r2, r3, lsl #3 @ dst_a += 8 * dst_pitch_a
|
||||
add r4, r5, lsl #3 @ dst_b += 8 * dst_pitch_b
|
||||
subs r8, #8 @ w -= 8
|
||||
bge .loop_8x8
|
||||
|
||||
@ add 8 back to counter. if the result is 0 there are
|
||||
@ no residuals.
|
||||
adds r8, #8
|
||||
beq .done
|
||||
|
||||
@ some residual, so between 1 and 7 lines left to transpose
|
||||
cmp r8, #2
|
||||
blt .block_1x8
|
||||
|
||||
cmp r8, #4
|
||||
blt .block_2x8
|
||||
|
||||
@ TODO(frkoenig) : clean this up
|
||||
.block_4x8:
|
||||
mov r9, r0
|
||||
vld1.64 {d0}, [r9], r1
|
||||
vld1.64 {d1}, [r9], r1
|
||||
vld1.64 {d2}, [r9], r1
|
||||
vld1.64 {d3}, [r9], r1
|
||||
vld1.64 {d4}, [r9], r1
|
||||
vld1.64 {d5}, [r9], r1
|
||||
vld1.64 {d6}, [r9], r1
|
||||
vld1.64 {d7}, [r9]
|
||||
|
||||
adr r12, vtbl_4x4_transpose
|
||||
vld1.8 {q7}, [r12]
|
||||
|
||||
vtrn.8 q0, q1
|
||||
vtrn.8 q2, q3
|
||||
|
||||
vtbl.8 d8, {d0, d1}, d14
|
||||
vtbl.8 d9, {d0, d1}, d15
|
||||
vtbl.8 d10, {d2, d3}, d14
|
||||
vtbl.8 d11, {d2, d3}, d15
|
||||
vtbl.8 d12, {d4, d5}, d14
|
||||
vtbl.8 d13, {d4, d5}, d15
|
||||
vtbl.8 d0, {d6, d7}, d14
|
||||
vtbl.8 d1, {d6, d7}, d15
|
||||
|
||||
mov r9, r2
|
||||
|
||||
vst1.32 {d8[0]}, [r9], r3
|
||||
vst1.32 {d8[1]}, [r9], r3
|
||||
vst1.32 {d9[0]}, [r9], r3
|
||||
vst1.32 {d9[1]}, [r9], r3
|
||||
|
||||
add r9, r2, #4
|
||||
vst1.32 {d12[0]}, [r9], r3
|
||||
vst1.32 {d12[1]}, [r9], r3
|
||||
vst1.32 {d13[0]}, [r9], r3
|
||||
vst1.32 {d13[1]}, [r9]
|
||||
|
||||
mov r9, r4
|
||||
|
||||
vst1.32 {d10[0]}, [r9], r5
|
||||
vst1.32 {d10[1]}, [r9], r5
|
||||
vst1.32 {d11[0]}, [r9], r5
|
||||
vst1.32 {d11[1]}, [r9], r5
|
||||
|
||||
add r9, r4, #4
|
||||
vst1.32 {d0[0]}, [r9], r5
|
||||
vst1.32 {d0[1]}, [r9], r5
|
||||
vst1.32 {d1[0]}, [r9], r5
|
||||
vst1.32 {d1[1]}, [r9]
|
||||
|
||||
add r0, #4*2 @ src += 4 * 2
|
||||
add r2, r3, lsl #2 @ dst_a += 4 * dst_pitch_a
|
||||
add r4, r5, lsl #2 @ dst_b += 4 * dst_pitch_b
|
||||
subs r8, #4 @ w -= 4
|
||||
beq .done
|
||||
|
||||
@ some residual, check to see if it includes a 2x8 block,
|
||||
@ or less
|
||||
cmp r8, #2
|
||||
blt .block_1x8
|
||||
|
||||
.block_2x8:
|
||||
mov r9, r0
|
||||
vld2.16 {d0[0], d2[0]}, [r9], r1
|
||||
vld2.16 {d1[0], d3[0]}, [r9], r1
|
||||
vld2.16 {d0[1], d2[1]}, [r9], r1
|
||||
vld2.16 {d1[1], d3[1]}, [r9], r1
|
||||
vld2.16 {d0[2], d2[2]}, [r9], r1
|
||||
vld2.16 {d1[2], d3[2]}, [r9], r1
|
||||
vld2.16 {d0[3], d2[3]}, [r9], r1
|
||||
vld2.16 {d1[3], d3[3]}, [r9]
|
||||
|
||||
vtrn.8 d0, d1
|
||||
vtrn.8 d2, d3
|
||||
|
||||
mov r9, r2
|
||||
|
||||
vst1.64 {d0}, [r9], r3
|
||||
vst1.64 {d2}, [r9]
|
||||
|
||||
mov r9, r4
|
||||
|
||||
vst1.64 {d1}, [r9], r5
|
||||
vst1.64 {d3}, [r9]
|
||||
|
||||
add r0, #2*2 @ src += 2 * 2
|
||||
add r2, r3, lsl #1 @ dst_a += 2 * dst_pitch_a
|
||||
add r4, r5, lsl #1 @ dst_a += 2 * dst_pitch_a
|
||||
subs r8, #2 @ w -= 2
|
||||
beq .done
|
||||
|
||||
.block_1x8:
|
||||
vld2.8 {d0[0], d1[0]}, [r0], r1
|
||||
vld2.8 {d0[1], d1[1]}, [r0], r1
|
||||
vld2.8 {d0[2], d1[2]}, [r0], r1
|
||||
vld2.8 {d0[3], d1[3]}, [r0], r1
|
||||
vld2.8 {d0[4], d1[4]}, [r0], r1
|
||||
vld2.8 {d0[5], d1[5]}, [r0], r1
|
||||
vld2.8 {d0[6], d1[6]}, [r0], r1
|
||||
vld2.8 {d0[7], d1[7]}, [r0]
|
||||
|
||||
vst1.64 {d0}, [r2]
|
||||
vst1.64 {d1}, [r4]
|
||||
|
||||
.done:
|
||||
pop {r4-r9, pc}
|
||||
|
||||
vtbl_4x4_transpose:
|
||||
.byte 0, 8, 1, 9, 2, 10, 3, 11, 4, 12, 5, 13, 6, 14, 7, 15
|
||||
@ -1,7 +1,15 @@
|
||||
.global RestoreRegisters_NEON
|
||||
.global ReverseLine_NEON
|
||||
.global Transpose_wx8_NEON
|
||||
.global ReverseLineUV_NEON
|
||||
.global SaveRegisters_NEON
|
||||
.global TransposeWx8_NEON
|
||||
.global TransposeUVWx8_NEON
|
||||
.type RestoreRegisters_NEON, function
|
||||
.type ReverseLine_NEON, function
|
||||
.type Transpose_wx8_NEON, function
|
||||
.type ReverseLineUV_NEON, function
|
||||
.type SaveRegisters_NEON, function
|
||||
.type TransposeWx8_NEON, function
|
||||
.type TransposeUVWx8_NEON, function
|
||||
|
||||
@ void ReverseLine_NEON (const uint8* src, uint8* dst, int width)
|
||||
@ r0 const uint8* src
|
||||
@ -23,7 +31,7 @@ ReverseLine_NEON:
|
||||
@ along with 16 to get the next location.
|
||||
mov r3, #-24
|
||||
|
||||
beq .line_residuals
|
||||
beq Lline_residuals
|
||||
|
||||
@ back of destination by the size of the register that is
|
||||
@ going to be reversed
|
||||
@ -35,7 +43,7 @@ ReverseLine_NEON:
|
||||
@ loop will run one extra time.
|
||||
sub r2, #16
|
||||
|
||||
.segments_of_16:
|
||||
Lsegments_of_16:
|
||||
vld1.8 {q0}, [r0]! @ src += 16
|
||||
|
||||
@ reverse the bytes in the 64 bit segments. unable to reverse
|
||||
@ -48,7 +56,7 @@ ReverseLine_NEON:
|
||||
vst1.8 {d0}, [r1], r3 @ dst -= 16
|
||||
|
||||
subs r2, #16
|
||||
bge .segments_of_16
|
||||
bge Lsegments_of_16
|
||||
|
||||
@ add 16 back to the counter. if the result is 0 there is no
|
||||
@ residuals so return
|
||||
@ -57,7 +65,7 @@ ReverseLine_NEON:
|
||||
|
||||
add r1, #16
|
||||
|
||||
.line_residuals:
|
||||
Lline_residuals:
|
||||
|
||||
mov r3, #-3
|
||||
|
||||
@ -65,38 +73,38 @@ ReverseLine_NEON:
|
||||
subs r2, #2
|
||||
@ check for 16*n+1 scenarios where segments_of_2 should not
|
||||
@ be run, but there is something left over.
|
||||
blt .segment_of_1
|
||||
blt Lsegment_of_1
|
||||
|
||||
@ do this in neon registers as per
|
||||
@ http://blogs.arm.com/software-enablement/196-coding-for-neon-part-2-dealing-with-leftovers/
|
||||
.segments_of_2:
|
||||
Lsegments_of_2:
|
||||
vld2.8 {d0[0], d1[0]}, [r0]! @ src += 2
|
||||
|
||||
vst1.8 {d1[0]}, [r1]!
|
||||
vst1.8 {d0[0]}, [r1], r3 @ dst -= 2
|
||||
|
||||
subs r2, #2
|
||||
bge .segments_of_2
|
||||
bge Lsegments_of_2
|
||||
|
||||
adds r2, #2
|
||||
bxeq lr
|
||||
|
||||
.segment_of_1:
|
||||
Lsegment_of_1:
|
||||
add r1, #1
|
||||
vld1.8 {d0[0]}, [r0]
|
||||
vst1.8 {d0[0]}, [r1]
|
||||
|
||||
bx lr
|
||||
|
||||
@ void Transpose_wx8_NEON (const uint8* src, int src_pitch,
|
||||
@ uint8* dst, int dst_pitch,
|
||||
@ int w)
|
||||
@ void TransposeWx8_NEON (const uint8* src, int src_stride,
|
||||
@ uint8* dst, int dst_stride,
|
||||
@ int w)
|
||||
@ r0 const uint8* src
|
||||
@ r1 int src_pitch
|
||||
@ r1 int src_stride
|
||||
@ r2 uint8* dst
|
||||
@ r3 int dst_pitch
|
||||
@ r3 int dst_stride
|
||||
@ stack int w
|
||||
Transpose_wx8_NEON:
|
||||
TransposeWx8_NEON:
|
||||
push {r4,r8,r9,lr}
|
||||
|
||||
ldr r8, [sp, #16] @ width
|
||||
@ -107,7 +115,7 @@ Transpose_wx8_NEON:
|
||||
sub r8, #8
|
||||
|
||||
@ handle 8x8 blocks. this should be the majority of the plane
|
||||
.loop_8x8:
|
||||
Lloop_8x8:
|
||||
mov r9, r0
|
||||
|
||||
vld1.8 {d0}, [r9], r1
|
||||
@ -151,23 +159,23 @@ Transpose_wx8_NEON:
|
||||
vst1.8 {d6}, [r9]
|
||||
|
||||
add r0, #8 @ src += 8
|
||||
add r2, r3, lsl #3 @ dst += 8 * dst_pitch
|
||||
add r2, r3, lsl #3 @ dst += 8 * dst_stride
|
||||
subs r8, #8 @ w -= 8
|
||||
bge .loop_8x8
|
||||
bge Lloop_8x8
|
||||
|
||||
@ add 8 back to counter. if the result is 0 there are
|
||||
@ no residuals.
|
||||
adds r8, #8
|
||||
beq .done
|
||||
beq Ldone
|
||||
|
||||
@ some residual, so between 1 and 7 lines left to transpose
|
||||
cmp r8, #2
|
||||
blt .block_1x8
|
||||
blt Lblock_1x8
|
||||
|
||||
cmp r8, #4
|
||||
blt .block_2x8
|
||||
blt Lblock_2x8
|
||||
|
||||
.block_4x8:
|
||||
Lblock_4x8:
|
||||
mov r9, r0
|
||||
vld1.32 {d0[0]}, [r9], r1
|
||||
vld1.32 {d0[1]}, [r9], r1
|
||||
@ -202,16 +210,16 @@ Transpose_wx8_NEON:
|
||||
vst1.32 {d1[1]}, [r9]
|
||||
|
||||
add r0, #4 @ src += 4
|
||||
add r2, r3, lsl #2 @ dst += 4 * dst_pitch
|
||||
add r2, r3, lsl #2 @ dst += 4 * dst_stride
|
||||
subs r8, #4 @ w -= 4
|
||||
beq .done
|
||||
beq Ldone
|
||||
|
||||
@ some residual, check to see if it includes a 2x8 block,
|
||||
@ or less
|
||||
cmp r8, #2
|
||||
blt .block_1x8
|
||||
blt Lblock_1x8
|
||||
|
||||
.block_2x8:
|
||||
Lblock_2x8:
|
||||
mov r9, r0
|
||||
vld1.16 {d0[0]}, [r9], r1
|
||||
vld1.16 {d1[0]}, [r9], r1
|
||||
@ -230,11 +238,11 @@ Transpose_wx8_NEON:
|
||||
vst1.64 {d1}, [r9]
|
||||
|
||||
add r0, #2 @ src += 2
|
||||
add r2, r3, lsl #1 @ dst += 2 * dst_pitch
|
||||
add r2, r3, lsl #1 @ dst += 2 * dst_stride
|
||||
subs r8, #2 @ w -= 2
|
||||
beq .done
|
||||
beq Ldone
|
||||
|
||||
.block_1x8:
|
||||
Lblock_1x8:
|
||||
vld1.8 {d0[0]}, [r0], r1
|
||||
vld1.8 {d0[1]}, [r0], r1
|
||||
vld1.8 {d0[2]}, [r0], r1
|
||||
@ -246,9 +254,310 @@ Transpose_wx8_NEON:
|
||||
|
||||
vst1.64 {d0}, [r2]
|
||||
|
||||
.done:
|
||||
Ldone:
|
||||
|
||||
pop {r4,r8,r9,pc}
|
||||
|
||||
vtbl_4x4_transpose:
|
||||
.byte 0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15
|
||||
|
||||
@ void SaveRegisters_NEON (unsigned long long store)
|
||||
@ r0 unsigned long long store
|
||||
SaveRegisters_NEON:
|
||||
vst1.i64 {d8, d9, d10, d11}, [r0]!
|
||||
vst1.i64 {d12, d13, d14, d15}, [r0]!
|
||||
bx lr
|
||||
|
||||
@ void RestoreRegisters_NEON (unsigned long long store)
|
||||
@ r0 unsigned long long store
|
||||
RestoreRegisters_NEON:
|
||||
vld1.i64 {d8, d9, d10, d11}, [r0]!
|
||||
vld1.i64 {d12, d13, d14, d15}, [r0]!
|
||||
bx lr
|
||||
|
||||
@ void ReverseLineUV_NEON (const uint8* src,
|
||||
@ uint8* dst_a,
|
||||
@ uint8* dst_b,
|
||||
@ int width)
|
||||
@ r0 const uint8* src
|
||||
@ r1 uint8* dst_a
|
||||
@ r2 uint8* dst_b
|
||||
@ r3 width
|
||||
ReverseLineUV_NEON:
|
||||
|
||||
@ compute where to start writing destination
|
||||
add r1, r1, r3 @ dst_a + width
|
||||
add r2, r2, r3 @ dst_b + width
|
||||
|
||||
@ work on input segments that are multiples of 16, but
|
||||
@ width that has been passed is output segments, half
|
||||
@ the size of input.
|
||||
lsrs r12, r3, #3
|
||||
|
||||
beq Lline_residuals_di
|
||||
|
||||
@ the output is written in to two blocks.
|
||||
mov r12, #-8
|
||||
|
||||
@ back of destination by the size of the register that is
|
||||
@ going to be reversed
|
||||
sub r1, r1, #8
|
||||
sub r2, r2, #8
|
||||
|
||||
@ the loop needs to run on blocks of 8. what will be left
|
||||
@ over is either a negative number, the residuals that need
|
||||
@ to be done, or 0. if this isn't subtracted off here the
|
||||
@ loop will run one extra time.
|
||||
sub r3, r3, #8
|
||||
|
||||
Lsegments_of_8_di:
|
||||
vld2.8 {d0, d1}, [r0]! @ src += 16
|
||||
|
||||
@ reverse the bytes in the 64 bit segments
|
||||
vrev64.8 q0, q0
|
||||
|
||||
vst1.8 {d0}, [r1], r12 @ dst_a -= 8
|
||||
vst1.8 {d1}, [r2], r12 @ dst_b -= 8
|
||||
|
||||
subs r3, r3, #8
|
||||
bge Lsegments_of_8_di
|
||||
|
||||
@ add 8 back to the counter. if the result is 0 there is no
|
||||
@ residuals so return
|
||||
adds r3, r3, #8
|
||||
bxeq lr
|
||||
|
||||
add r1, r1, #8
|
||||
add r2, r2, #8
|
||||
|
||||
Lline_residuals_di:
|
||||
|
||||
mov r12, #-1
|
||||
|
||||
sub r1, r1, #1
|
||||
sub r2, r2, #1
|
||||
|
||||
@ do this in neon registers as per
|
||||
@ http://blogs.arm.com/software-enablement/196-coding-for-neon-part-2-dealing-with-leftovers/
|
||||
Lsegments_of_1:
|
||||
vld2.8 {d0[0], d1[0]}, [r0]! @ src += 2
|
||||
|
||||
vst1.8 {d0[0]}, [r1], r12 @ dst_a -= 1
|
||||
vst1.8 {d1[0]}, [r2], r12 @ dst_b -= 1
|
||||
|
||||
subs r3, r3, #1
|
||||
bgt Lsegments_of_1
|
||||
|
||||
bx lr
|
||||
|
||||
@ void TransposeUVWx8_NEON (const uint8* src, int src_stride,
|
||||
@ uint8* dst_a, int dst_stride_a,
|
||||
@ uint8* dst_b, int dst_stride_b,
|
||||
@ int width)
|
||||
@ r0 const uint8* src
|
||||
@ r1 int src_stride
|
||||
@ r2 uint8* dst_a
|
||||
@ r3 int dst_stride_a
|
||||
@ stack uint8* dst_b
|
||||
@ stack int dst_stride_b
|
||||
@ stack int width
|
||||
TransposeUVWx8_NEON:
|
||||
push {r4-r9,lr}
|
||||
|
||||
ldr r4, [sp, #28] @ dst_b
|
||||
ldr r5, [sp, #32] @ dst_stride_b
|
||||
ldr r8, [sp, #36] @ width
|
||||
@ loops are on blocks of 8. loop will stop when
|
||||
@ counter gets to or below 0. starting the counter
|
||||
@ at w-8 allow for this
|
||||
sub r8, #8
|
||||
|
||||
@ handle 8x8 blocks. this should be the majority of the plane
|
||||
Lloop_8x8_di:
|
||||
mov r9, r0
|
||||
|
||||
vld2.8 {d0, d1}, [r9], r1
|
||||
vld2.8 {d2, d3}, [r9], r1
|
||||
vld2.8 {d4, d5}, [r9], r1
|
||||
vld2.8 {d6, d7}, [r9], r1
|
||||
vld2.8 {d8, d9}, [r9], r1
|
||||
vld2.8 {d10, d11}, [r9], r1
|
||||
vld2.8 {d12, d13}, [r9], r1
|
||||
vld2.8 {d14, d15}, [r9]
|
||||
|
||||
vtrn.8 q1, q0
|
||||
vtrn.8 q3, q2
|
||||
vtrn.8 q5, q4
|
||||
vtrn.8 q7, q6
|
||||
|
||||
vtrn.16 q1, q3
|
||||
vtrn.16 q0, q2
|
||||
vtrn.16 q5, q7
|
||||
vtrn.16 q4, q6
|
||||
|
||||
vtrn.32 q1, q5
|
||||
vtrn.32 q0, q4
|
||||
vtrn.32 q3, q7
|
||||
vtrn.32 q2, q6
|
||||
|
||||
vrev16.8 q0, q0
|
||||
vrev16.8 q1, q1
|
||||
vrev16.8 q2, q2
|
||||
vrev16.8 q3, q3
|
||||
vrev16.8 q4, q4
|
||||
vrev16.8 q5, q5
|
||||
vrev16.8 q6, q6
|
||||
vrev16.8 q7, q7
|
||||
|
||||
mov r9, r2
|
||||
|
||||
vst1.8 {d2}, [r9], r3
|
||||
vst1.8 {d0}, [r9], r3
|
||||
vst1.8 {d6}, [r9], r3
|
||||
vst1.8 {d4}, [r9], r3
|
||||
vst1.8 {d10}, [r9], r3
|
||||
vst1.8 {d8}, [r9], r3
|
||||
vst1.8 {d14}, [r9], r3
|
||||
vst1.8 {d12}, [r9]
|
||||
|
||||
mov r9, r4
|
||||
|
||||
vst1.8 {d3}, [r9], r5
|
||||
vst1.8 {d1}, [r9], r5
|
||||
vst1.8 {d7}, [r9], r5
|
||||
vst1.8 {d5}, [r9], r5
|
||||
vst1.8 {d11}, [r9], r5
|
||||
vst1.8 {d9}, [r9], r5
|
||||
vst1.8 {d15}, [r9], r5
|
||||
vst1.8 {d13}, [r9]
|
||||
|
||||
add r0, #8*2 @ src += 8*2
|
||||
add r2, r3, lsl #3 @ dst_a += 8 * dst_stride_a
|
||||
add r4, r5, lsl #3 @ dst_b += 8 * dst_stride_b
|
||||
subs r8, #8 @ w -= 8
|
||||
bge Lloop_8x8_di
|
||||
|
||||
@ add 8 back to counter. if the result is 0 there are
|
||||
@ no residuals.
|
||||
adds r8, #8
|
||||
beq Ldone_di
|
||||
|
||||
@ some residual, so between 1 and 7 lines left to transpose
|
||||
cmp r8, #2
|
||||
blt Lblock_1x8_di
|
||||
|
||||
cmp r8, #4
|
||||
blt Lblock_2x8_di
|
||||
|
||||
@ TODO(frkoenig) : clean this up
|
||||
Lblock_4x8_di:
|
||||
mov r9, r0
|
||||
vld1.64 {d0}, [r9], r1
|
||||
vld1.64 {d1}, [r9], r1
|
||||
vld1.64 {d2}, [r9], r1
|
||||
vld1.64 {d3}, [r9], r1
|
||||
vld1.64 {d4}, [r9], r1
|
||||
vld1.64 {d5}, [r9], r1
|
||||
vld1.64 {d6}, [r9], r1
|
||||
vld1.64 {d7}, [r9]
|
||||
|
||||
adr r12, vtbl_4x4_transpose_di
|
||||
vld1.8 {q7}, [r12]
|
||||
|
||||
vtrn.8 q0, q1
|
||||
vtrn.8 q2, q3
|
||||
|
||||
vtbl.8 d8, {d0, d1}, d14
|
||||
vtbl.8 d9, {d0, d1}, d15
|
||||
vtbl.8 d10, {d2, d3}, d14
|
||||
vtbl.8 d11, {d2, d3}, d15
|
||||
vtbl.8 d12, {d4, d5}, d14
|
||||
vtbl.8 d13, {d4, d5}, d15
|
||||
vtbl.8 d0, {d6, d7}, d14
|
||||
vtbl.8 d1, {d6, d7}, d15
|
||||
|
||||
mov r9, r2
|
||||
|
||||
vst1.32 {d8[0]}, [r9], r3
|
||||
vst1.32 {d8[1]}, [r9], r3
|
||||
vst1.32 {d9[0]}, [r9], r3
|
||||
vst1.32 {d9[1]}, [r9], r3
|
||||
|
||||
add r9, r2, #4
|
||||
vst1.32 {d12[0]}, [r9], r3
|
||||
vst1.32 {d12[1]}, [r9], r3
|
||||
vst1.32 {d13[0]}, [r9], r3
|
||||
vst1.32 {d13[1]}, [r9]
|
||||
|
||||
mov r9, r4
|
||||
|
||||
vst1.32 {d10[0]}, [r9], r5
|
||||
vst1.32 {d10[1]}, [r9], r5
|
||||
vst1.32 {d11[0]}, [r9], r5
|
||||
vst1.32 {d11[1]}, [r9], r5
|
||||
|
||||
add r9, r4, #4
|
||||
vst1.32 {d0[0]}, [r9], r5
|
||||
vst1.32 {d0[1]}, [r9], r5
|
||||
vst1.32 {d1[0]}, [r9], r5
|
||||
vst1.32 {d1[1]}, [r9]
|
||||
|
||||
add r0, #4*2 @ src += 4 * 2
|
||||
add r2, r3, lsl #2 @ dst_a += 4 * dst_stride_a
|
||||
add r4, r5, lsl #2 @ dst_b += 4 * dst_stride_b
|
||||
subs r8, #4 @ w -= 4
|
||||
beq Ldone_di
|
||||
|
||||
@ some residual, check to see if it includes a 2x8 block,
|
||||
@ or less
|
||||
cmp r8, #2
|
||||
blt Lblock_1x8_di
|
||||
|
||||
Lblock_2x8_di:
|
||||
mov r9, r0
|
||||
vld2.16 {d0[0], d2[0]}, [r9], r1
|
||||
vld2.16 {d1[0], d3[0]}, [r9], r1
|
||||
vld2.16 {d0[1], d2[1]}, [r9], r1
|
||||
vld2.16 {d1[1], d3[1]}, [r9], r1
|
||||
vld2.16 {d0[2], d2[2]}, [r9], r1
|
||||
vld2.16 {d1[2], d3[2]}, [r9], r1
|
||||
vld2.16 {d0[3], d2[3]}, [r9], r1
|
||||
vld2.16 {d1[3], d3[3]}, [r9]
|
||||
|
||||
vtrn.8 d0, d1
|
||||
vtrn.8 d2, d3
|
||||
|
||||
mov r9, r2
|
||||
|
||||
vst1.64 {d0}, [r9], r3
|
||||
vst1.64 {d2}, [r9]
|
||||
|
||||
mov r9, r4
|
||||
|
||||
vst1.64 {d1}, [r9], r5
|
||||
vst1.64 {d3}, [r9]
|
||||
|
||||
add r0, #2*2 @ src += 2 * 2
|
||||
add r2, r3, lsl #1 @ dst_a += 2 * dst_stride_a
|
||||
add r4, r5, lsl #1 @ dst_a += 2 * dst_stride_a
|
||||
subs r8, #2 @ w -= 2
|
||||
beq Ldone_di
|
||||
|
||||
Lblock_1x8_di:
|
||||
vld2.8 {d0[0], d1[0]}, [r0], r1
|
||||
vld2.8 {d0[1], d1[1]}, [r0], r1
|
||||
vld2.8 {d0[2], d1[2]}, [r0], r1
|
||||
vld2.8 {d0[3], d1[3]}, [r0], r1
|
||||
vld2.8 {d0[4], d1[4]}, [r0], r1
|
||||
vld2.8 {d0[5], d1[5]}, [r0], r1
|
||||
vld2.8 {d0[6], d1[6]}, [r0], r1
|
||||
vld2.8 {d0[7], d1[7]}, [r0]
|
||||
|
||||
vst1.64 {d0}, [r2]
|
||||
vst1.64 {d1}, [r4]
|
||||
|
||||
Ldone_di:
|
||||
pop {r4-r9, pc}
|
||||
|
||||
vtbl_4x4_transpose_di:
|
||||
.byte 0, 8, 1, 9, 2, 10, 3, 11, 4, 12, 5, 13, 6, 14, 7, 15
|
||||
|
||||
72
source/rotate_priv.h
Normal file
72
source/rotate_priv.h
Normal file
@ -0,0 +1,72 @@
|
||||
/*
|
||||
* Copyright (c) 2011 The LibYuv 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.
|
||||
*/
|
||||
|
||||
#ifndef SOURCE_ROTATE_PRIV_H_
|
||||
#define SOURCE_ROTATE_PRIV_H_
|
||||
|
||||
#include "libyuv/basic_types.h"
|
||||
|
||||
namespace libyuv {
|
||||
|
||||
// Rotate planes by 90, 180, 270
|
||||
void
|
||||
RotatePlane90(const uint8* src, int src_stride,
|
||||
uint8* dst, int dst_stride,
|
||||
int width, int height);
|
||||
|
||||
void
|
||||
RotatePlane180(const uint8* src, int src_stride,
|
||||
uint8* dst, int dst_stride,
|
||||
int width, int height);
|
||||
|
||||
void
|
||||
RotatePlane270(const uint8* src, int src_stride,
|
||||
uint8* dst, int dst_stride,
|
||||
int width, int height);
|
||||
|
||||
void
|
||||
RotateUV90(const uint8* src, int src_stride,
|
||||
uint8* dst_a, int dst_stride_a,
|
||||
uint8* dst_b, int dst_stride_b,
|
||||
int width, int height);
|
||||
|
||||
// Rotations for when U and V are interleaved.
|
||||
// These functions take one input pointer and
|
||||
// split the data into two buffers while
|
||||
// rotating them.
|
||||
void
|
||||
RotateUV180(const uint8* src, int src_stride,
|
||||
uint8* dst_a, int dst_stride_a,
|
||||
uint8* dst_b, int dst_stride_b,
|
||||
int width, int height);
|
||||
|
||||
void
|
||||
RotateUV270(const uint8* src, int src_stride,
|
||||
uint8* dst_a, int dst_stride_a,
|
||||
uint8* dst_b, int dst_stride_b,
|
||||
int width, int height);
|
||||
|
||||
// The 90 and 270 functions are based on transposes.
|
||||
// Doing a transpose with reversing the read/write
|
||||
// order will result in a rotation by +- 90 degrees.
|
||||
void
|
||||
TransposePlane(const uint8* src, int src_stride,
|
||||
uint8* dst, int dst_stride,
|
||||
int width, int height);
|
||||
|
||||
void
|
||||
TransposeUV(const uint8* src, int src_stride,
|
||||
uint8* dst_a, int dst_stride_a,
|
||||
uint8* dst_b, int dst_stride_b,
|
||||
int width, int height);
|
||||
|
||||
} // namespace libyuv
|
||||
|
||||
#endif // SOURCE_ROTATE_PRIV_H_
|
||||
File diff suppressed because it is too large
Load Diff
@ -11,7 +11,6 @@
|
||||
#ifndef UINIT_TEST_H_
|
||||
#define UINIT_TEST_H_
|
||||
|
||||
#include "basic_types.h"
|
||||
#include <gtest/gtest.h>
|
||||
|
||||
class libyuvTest : public ::testing::Test {
|
||||
@ -20,8 +19,8 @@ class libyuvTest : public ::testing::Test {
|
||||
virtual void SetUp();
|
||||
virtual void TearDown();
|
||||
|
||||
const uint32 _rotate_max_w;
|
||||
const uint32 _rotate_max_h;
|
||||
const int _rotate_max_w;
|
||||
const int _rotate_max_h;
|
||||
|
||||
};
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user