1 /*
2 * soft_copy_task.cpp - soft copy implementation
3 *
4 * Copyright (c) 2017 Intel Corporation
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 *
18 * Author: Yinhang Liu <yinhangx.liu@intel.com>
19 */
20
21 #include "soft_copy_task.h"
22
23 namespace XCam {
24
25 namespace XCamSoftTasks {
26
27 template <typename ImageT>
copy_line(const ImageT * in,ImageT * out,const uint32_t y,const uint32_t size)28 static inline void copy_line (const ImageT *in, ImageT *out, const uint32_t y, const uint32_t size)
29 {
30 const typename ImageT::Type *in_ptr = in->get_buf_ptr (0, y);
31 typename ImageT::Type *out_ptr = out->get_buf_ptr (0, y);
32
33 memcpy (out_ptr, in_ptr, size);
34 }
35
36 XCamReturn
work_range(const SmartPtr<Arguments> & base,const WorkRange & range)37 XCamSoftTasks::CopyTask::work_range (const SmartPtr<Arguments> &base, const WorkRange &range)
38 {
39 SmartPtr<CopyTask::Args> args = base.dynamic_cast_ptr<CopyTask::Args> ();
40 XCAM_ASSERT (args.ptr ());
41
42 UcharImage *in_luma = args->in_luma.ptr (), *out_luma = args->out_luma.ptr ();
43 Uchar2Image *in_uv = args->in_uv.ptr (), *out_uv = args->out_uv.ptr ();
44 XCAM_ASSERT (in_luma && in_uv);
45 XCAM_ASSERT (out_luma && out_uv);
46
47 uint32_t luma_size = in_luma->get_width () * in_luma->pixel_size ();
48 uint32_t uv_size = in_uv->get_width () * in_uv->pixel_size ();
49 for (uint32_t y = range.pos[1]; y < range.pos[1] + range.pos_len[1]; ++y) {
50 uint32_t luma_y = y * 2;
51 copy_line<UcharImage> (in_luma, out_luma, luma_y, luma_size);
52 copy_line<UcharImage> (in_luma, out_luma, luma_y + 1, luma_size);
53
54 uint32_t uv_y = y;
55 copy_line<Uchar2Image> (in_uv, out_uv, uv_y, uv_size);
56 }
57
58 XCAM_LOG_DEBUG ("CopyTask work on range:[x:%d, width:%d, y:%d, height:%d]",
59 range.pos[0], range.pos_len[0], range.pos[1], range.pos_len[1]);
60
61 return XCAM_RETURN_NO_ERROR;
62 }
63
64 }
65
66 }
67