libvision/kernel/vpu/ExynosVpuKernelArithmetic.cpp - LeafOS-Devices/android_hardware_samsung_slsi-linaro_exynos - Gitiles

 /*
  * Copyright (C) 2015, Samsung Electronics Co. LTD
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 #define LOG_TAG "ExynosVpuKernelArithmetic"
 #include <cutils/log.h>

 #include "ExynosVpuKernelArithmetic.h"

 #include "vpu_kernel_util.h"

 #include "td-binary-add.h"
 #include "td-binary-subtract.h"

 namespace android {

 using namespace std;

 static vx_uint16 td_binary_add[] =
     TASK_test_binary_add_from_VDE_DS;

 static vx_uint16 td_binary_subtract[] =
     TASK_test_binary_subtract_from_VDE_DS;

 vx_status
 ExynosVpuKernelArithmetic::inputValidator(vx_node node, vx_uint32 index)
 {
     vx_status status = VX_ERROR_INVALID_PARAMETERS;

     if (index == 0) {
         vx_image input = 0;
         vx_parameter param = vxGetParameterByIndex(node, index);

         vxQueryParameter(param, VX_PARAMETER_ATTRIBUTE_REF, &input, sizeof(input));
         if (input) {
             vx_df_image format = 0;
             vxQueryImage(input, VX_IMAGE_ATTRIBUTE_FORMAT, &format, sizeof(format));
             if (format == VX_DF_IMAGE_U8 || format == VX_DF_IMAGE_S16)
                 status = VX_SUCCESS;
             vxReleaseImage(&input);
         }
         vxReleaseParameter(&param);
     } else if (index == 1) {
         vx_image images[2];
         vx_parameter param[2] = {
             vxGetParameterByIndex(node, 0),
             vxGetParameterByIndex(node, 1),
         };
         vxQueryParameter(param[0], VX_PARAMETER_ATTRIBUTE_REF, &images[0], sizeof(images[0]));
         vxQueryParameter(param[1], VX_PARAMETER_ATTRIBUTE_REF, &images[1], sizeof(images[1]));
         if (images[0] && images[1]) {
             vx_uint32 width[2], height[2];
             vx_df_image format1;

             vxQueryImage(images[0], VX_IMAGE_ATTRIBUTE_WIDTH, &width[0], sizeof(width[0]));
             vxQueryImage(images[1], VX_IMAGE_ATTRIBUTE_WIDTH, &width[1], sizeof(width[1]));
             vxQueryImage(images[0], VX_IMAGE_ATTRIBUTE_HEIGHT, &height[0], sizeof(height[0]));
             vxQueryImage(images[1], VX_IMAGE_ATTRIBUTE_HEIGHT, &height[1], sizeof(height[1]));
             vxQueryImage(images[1], VX_IMAGE_ATTRIBUTE_FORMAT, &format1, sizeof(format1));
             if (width[0] == width[1] && height[0] == height[1] &&
                 (format1 == VX_DF_IMAGE_U8 || format1 == VX_DF_IMAGE_S16))
                 status = VX_SUCCESS;
             vxReleaseImage(&images[0]);
             vxReleaseImage(&images[1]);
         }
         vxReleaseParameter(&param[0]);
         vxReleaseParameter(&param[1]);
     } else if (index == 2) {
         /* overflow_policy: truncate or saturate. */
         vx_parameter param = vxGetParameterByIndex(node, index);
         if (param) {
             vx_scalar scalar = 0;
             vxQueryParameter(param, VX_PARAMETER_ATTRIBUTE_REF, &scalar, sizeof(scalar));
             if (scalar) {
                 vx_enum stype = 0;
                 vxQueryScalar(scalar, VX_SCALAR_ATTRIBUTE_TYPE, &stype, sizeof(stype));
                 if (stype == VX_TYPE_ENUM) {
                     vx_enum overflow_policy = 0;
                     vxReadScalarValue(scalar, &overflow_policy);
                     if ((overflow_policy == VX_CONVERT_POLICY_WRAP) ||
                         (overflow_policy == VX_CONVERT_POLICY_SATURATE)) {
                         status = VX_SUCCESS;
                     } else {
                         status = VX_ERROR_INVALID_VALUE;
                     }
                 }
                 else
                 {
                     status = VX_ERROR_INVALID_TYPE;
                 }
                 vxReleaseScalar(&scalar);
             }
             vxReleaseParameter(&param);
         }
     }

     return status;
 }

 vx_status
 ExynosVpuKernelArithmetic::outputValidator(vx_node node, vx_uint32 index, vx_meta_format meta)
 {
     vx_status status = VX_ERROR_INVALID_PARAMETERS;

     if (index == 3) {
         /*
          * We need to look at both input images, but only for the format:
          * if either is S16 or the output type is not U8, then it's S16.
          * The geometry of the output image is copied from the first parameter:
          * the input images are known to match from input parameters validation.
          */
         vx_parameter param[] = {
             vxGetParameterByIndex(node, 0),
             vxGetParameterByIndex(node, 1),
             vxGetParameterByIndex(node, index),
         };
         if ((param[0]) && (param[1]) && (param[2])) {
             vx_image images[3];
             vxQueryParameter(param[0], VX_PARAMETER_ATTRIBUTE_REF, &images[0], sizeof(images[0]));
             vxQueryParameter(param[1], VX_PARAMETER_ATTRIBUTE_REF, &images[1], sizeof(images[1]));
             vxQueryParameter(param[2], VX_PARAMETER_ATTRIBUTE_REF, &images[2], sizeof(images[2]));
             if (images[0] && images[1] && images[2]) {
                 vx_uint32 width = 0, height = 0;
                 vx_df_image informat[2] = {VX_DF_IMAGE_VIRT, VX_DF_IMAGE_VIRT};
                 vx_df_image outformat = VX_DF_IMAGE_VIRT;

                 /*
                  * When passing on the geometry to the output image, we only look at
                  * image 0, as both input images are verified to match, at input
                  * validation.
                  */
                 vxQueryImage(images[0], VX_IMAGE_ATTRIBUTE_WIDTH, &width, sizeof(width));
                 vxQueryImage(images[0], VX_IMAGE_ATTRIBUTE_HEIGHT, &height, sizeof(height));
                 vxQueryImage(images[0], VX_IMAGE_ATTRIBUTE_FORMAT, &informat[0], sizeof(informat[0]));
                 vxQueryImage(images[1], VX_IMAGE_ATTRIBUTE_FORMAT, &informat[1], sizeof(informat[1]));
                 vxQueryImage(images[2], VX_IMAGE_ATTRIBUTE_FORMAT, &outformat, sizeof(outformat));

                 if (informat[0] == VX_DF_IMAGE_U8 && informat[1] == VX_DF_IMAGE_U8 && outformat == VX_DF_IMAGE_U8) {
                     status = VX_SUCCESS;
                 } else {
                     outformat = VX_DF_IMAGE_S16;
                     status = VX_SUCCESS;
                 }
                 vxSetMetaFormatAttribute(meta, VX_IMAGE_ATTRIBUTE_FORMAT, &outformat, sizeof(outformat));
                 vxSetMetaFormatAttribute(meta, VX_IMAGE_ATTRIBUTE_WIDTH, &width, sizeof(width));
                 vxSetMetaFormatAttribute(meta, VX_IMAGE_ATTRIBUTE_HEIGHT, &height, sizeof(height));

                 vxReleaseImage(&images[0]);
                 vxReleaseImage(&images[1]);
                 vxReleaseImage(&images[2]);
             }
             vxReleaseParameter(&param[0]);
             vxReleaseParameter(&param[1]);
             vxReleaseParameter(&param[2]);
         }
     }

     return status;
 }

 ExynosVpuKernelArithmetic::ExynosVpuKernelArithmetic(vx_char *name, vx_uint32 param_num)
                                        : ExynosVpuKernel(name, param_num)
 {

 }

 ExynosVpuKernelArithmetic::~ExynosVpuKernelArithmetic(void)
 {

 }

 vx_status
 ExynosVpuKernelArithmetic::setupBaseVxInfo(const vx_reference parameters[])
 {
     vx_status status = VX_FAILURE;

     vx_image input = (vx_image)parameters[0];

     status = vxGetValidAncestorRegionImage(input, &m_valid_rect);
     if (status != VX_SUCCESS) {
         VXLOGE("getting valid region fails, err:%d", status);
     }

     return status;
 }

 vx_status
 ExynosVpuKernelArithmetic::updateTaskParamFromVX(vx_node node, const vx_reference *parameters)
 {
     vx_status status = VX_SUCCESS;

      if (!node)
         VXLOGE("invalid node, %p, %p", node, parameters);

     /* update task object from vx */
     vx_image input0 = (vx_image)parameters[0];
     vx_image input1 = (vx_image)parameters[1];
     vx_scalar policy_s = (vx_scalar)parameters[2];
     vx_image output = (vx_image)parameters[3];

     vx_df_image input0_format;
     vx_df_image input1_format;
     vx_df_image output_format;
     status |= vxQueryImage(input0, VX_IMAGE_ATTRIBUTE_FORMAT, &input0_format, sizeof(input0_format));
     status |= vxQueryImage(input1, VX_IMAGE_ATTRIBUTE_FORMAT, &input1_format, sizeof(input1_format));
     status |= vxQueryImage(output, VX_IMAGE_ATTRIBUTE_FORMAT, &output_format, sizeof(output_format));
     if (status != VX_SUCCESS) {
         VXLOGE("querying image fails, err:%d", status);
         goto EXIT;
     }

     vx_enum policy;
     status = vxReadScalarValue(policy_s, &policy);
     if (status != VX_SUCCESS) {
         VXLOGE("reading scalar, err:%d", status);
         goto EXIT;
     }

     ExynosVpuPu *salb;
     salb = getTask(0)->getPu(VPU_PU_SALB0, 1, 0);
     if (salb == NULL) {
         VXLOGE("getting pu fails");
         status = VX_FAILURE;
         goto EXIT;
     }

     struct vpul_pu_salb *salb_param;
     salb_param = (struct vpul_pu_salb*)salb->getParameter();
     switch (policy) {
     case VX_CONVERT_POLICY_WRAP:
         salb_param->trunc_out = 1;
         break;
     case VX_CONVERT_POLICY_SATURATE:
         salb_param->trunc_out = 0;
         break;
     default:
         VXLOGE("un-defined enum: 0x%x", policy);
         status = VX_FAILURE;
         goto EXIT;
         break;
     }

     switch (input0_format) {
     case VX_DF_IMAGE_U8:
         salb_param->bits_in0 = 0;
         salb_param->signed_in0 = 0;
         break;
     case VX_DF_IMAGE_S16:
         salb_param->bits_in0 = 1;
         salb_param->signed_in0 = 1;
         break;
     default:
         VXLOGE("un-defined type: 0x%x", input0_format);
         status = VX_FAILURE;
         goto EXIT;
         break;
     }

     switch (input1_format) {
     case VX_DF_IMAGE_U8:
         salb_param->bits_in1 = 0;
         salb_param->signed_in1 = 0;
         break;
     case VX_DF_IMAGE_S16:
         salb_param->bits_in1 = 1;
         salb_param->signed_in1 = 1;
         break;
     default:
         VXLOGE("un-defined type: 0x%x", input1_format);
         status = VX_FAILURE;
         goto EXIT;
         break;
     }

     switch (output_format) {
     case VX_DF_IMAGE_U8:
         salb_param->bits_out0 = 0;
         salb_param->signed_out0 = 0;
         break;
     case VX_DF_IMAGE_S16:
         salb_param->bits_out0= 1;
         salb_param->signed_out0 = 1;
         break;
     default:
         VXLOGE("un-defined type: 0x%x", output_format);
         status = VX_FAILURE;
         goto EXIT;
         break;
     }

 EXIT:
     return status;
 }

 vx_status
 ExynosVpuKernelArithmetic::initVxIo(const vx_reference *parameters)
 {
     vx_status status = VX_SUCCESS;

     ExynosVpuTaskIfWrapper *task_wr_0 = m_task_wr_list[0];

     /* connect vx param to io */
     vx_param_info_t param_info;
     memset(&param_info, 0x0, sizeof(param_info));

     param_info.image.plane = 0;
     status = task_wr_0->setIoVxParam(VS4L_DIRECTION_IN, 0, 0, param_info);
     if (status != VX_SUCCESS) {
         VXLOGE("assigning param fails, %p", parameters);
         goto EXIT;
     }

     param_info.image.plane = 0;
     status = task_wr_0->setIoVxParam(VS4L_DIRECTION_IN, 1, 1, param_info);
     if (status != VX_SUCCESS) {
         VXLOGE("assigning param fails, %p", parameters);
         goto EXIT;
     }

     param_info.image.plane = 0;
     status = task_wr_0->setIoVxParam(VS4L_DIRECTION_OT, 0, 3, param_info);
     if (status != VX_SUCCESS) {
         VXLOGE("assigning param fails, %p", parameters);
         goto EXIT;
     }

 EXIT:
     return status;
 }

 ExynosVpuKernelAdd::ExynosVpuKernelAdd(vx_char *name, vx_uint32 param_num)
                                        : ExynosVpuKernelArithmetic(name, param_num)
 {
     strcpy(m_task_name, "add");
 }

 vx_status
 ExynosVpuKernelAdd::initTask(vx_node node, const vx_reference *parameters)
 {
     vx_status status;

 #if 1
     status = initTaskFromBinary();
     if (status != VX_SUCCESS) {
         VXLOGE("init task from binary fails, %p, %p", node, parameters);
         goto EXIT;
     }
 #else
     status = initTaskFromApi();
     if (status != VX_SUCCESS) {
         VXLOGE("init task from api fails, %p, %p", node, parameters);
         goto EXIT;
     }
 #endif

 EXIT:
     return status;
 }

 vx_status
 ExynosVpuKernelAdd::initTaskFromBinary(void)
 {
     vx_status status = VX_SUCCESS;
     ExynosVpuTaskIf *task_if_0;

     task_if_0 = initTask0FromBinary();
     if (task_if_0 == NULL) {
         VXLOGE("task0 isn't created");
         status = VX_FAILURE;
         goto EXIT;
     }

 EXIT:
     return status;
 }

 ExynosVpuTaskIf*
 ExynosVpuKernelAdd::initTask0FromBinary(void)
 {
     vx_status status = VX_SUCCESS;
     int ret = NO_ERROR;

     ExynosVpuTaskIfWrapper *task_wr = new ExynosVpuTaskIfWrapper(this, 0);
     status = setTaskIfWrapper(0, task_wr);
     if (status != VX_SUCCESS) {
         VXLOGE("adding taskif wrapper fails");
         return NULL;
     }

     ExynosVpuTaskIf *task_if = task_wr->getTaskIf();
     ret = task_if->importTaskStr((struct vpul_task*)td_binary_add);
     if (ret != NO_ERROR) {
         VXLOGE("creating task descriptor fails, ret:%d", ret);
         status = VX_FAILURE;
     }

     /* connect pu to io */
     task_if->setIoPu(VS4L_DIRECTION_IN, 0, (uint32_t)0);
     task_if->setIoPu(VS4L_DIRECTION_IN, 1, (uint32_t)2);
     task_if->setIoPu(VS4L_DIRECTION_OT, 0, (uint32_t)3);

     if (status == VX_SUCCESS)
         return task_if;
     else
         return NULL;
 }

 vx_status
 ExynosVpuKernelAdd::initTaskFromApi(void)
 {
     vx_status status = VX_SUCCESS;
     ExynosVpuTaskIf *task_if_0;

     task_if_0 = initTask0FromApi();
     if (task_if_0 == NULL) {
         VXLOGE("task0 isn't created");
         status = VX_FAILURE;
         goto EXIT;
     }

     status = createStrFromObjectOfTask();
     if (status != VX_SUCCESS) {
         VXLOGE("creating task str fails");
         goto EXIT;
     }

 EXIT:
     return status;
 }

 ExynosVpuTaskIf*
 ExynosVpuKernelAdd::initTask0FromApi(void)
 {
     vx_status status = VX_SUCCESS;

     ExynosVpuPuFactory pu_factory;

     ExynosVpuTaskIfWrapper *task_wr = new ExynosVpuTaskIfWrapper(this, 0);
     status = setTaskIfWrapper(0, task_wr);
     if (status != VX_SUCCESS) {
         VXLOGE("adding taskif wrapper fails");
         return NULL;
     }

     ExynosVpuTaskIf *task_if = task_wr->getTaskIf();
     ExynosVpuTask *task = new ExynosVpuTask(task_if);
     struct vpul_task *task_param = task->getTaskInfo();
     task_param->priority = m_priority;

     ExynosVpuVertex *start_vertex = new ExynosVpuVertex(task, VPUL_VERTEXT_START);
     ExynosVpuProcess *salb_process = new ExynosVpuProcess(task);
     ExynosVpuVertex *end_vertex = new ExynosVpuVertex(task, VPUL_VERTEXT_END);

     ExynosVpuVertex::connect(start_vertex, salb_process);
     ExynosVpuVertex::connect(salb_process, end_vertex);

     ExynosVpuIoSizeInout *iosize = new ExynosVpuIoSizeInout(salb_process);

     /* define subchain */
     ExynosVpuSubchainHw *salb_subchain = new ExynosVpuSubchainHw(salb_process);

     /* define pu */
     ExynosVpuPu *in1 = pu_factory.createPu(salb_subchain, VPU_PU_DMAIN0);
     in1->setSize(iosize, iosize);
     ExynosVpuPu *salb = pu_factory.createPu(salb_subchain, VPU_PU_SALB0);
     salb->setSize(iosize, iosize);
     ExynosVpuPu *in2 = pu_factory.createPu(salb_subchain, VPU_PU_DMAIN_WIDE0);
     in2->setSize(iosize, iosize);
     ExynosVpuPu *out = pu_factory.createPu(salb_subchain, VPU_PU_DMAOT0);
     out->setSize(iosize, iosize);

     ExynosVpuPu::connect(in1, 0, salb, 0);
     ExynosVpuPu::connect(in2, 0, salb, 1);
     ExynosVpuPu::connect(salb, 0, out, 0);

     struct vpul_pu_dma *in1_param = (struct vpul_pu_dma*)in1->getParameter();
     struct vpul_pu_salb *salb_param = (struct vpul_pu_salb*)salb->getParameter();
     struct vpul_pu_dma *in2_param = (struct vpul_pu_dma*)in2->getParameter();
     struct vpul_pu_dma *out_param = (struct vpul_pu_dma*)out->getParameter();

     salb_param->input_enable = 3;
     salb_param->operation_code = 8;
     salb_param->salbregs_custom_trunc_bittage = 1;

     /* connect pu to io */
     ExynosVpuIoExternalMem *io_external_mem;
     ExynosVpuMemmapExternal *memmap;
     ExynosVpuIoFixedMapRoi *fixed_roi;
     ExynosVpuIoTypesDesc *iotyps;

     io_external_mem = new ExynosVpuIoExternalMem(task);
     memmap = new ExynosVpuMemmapExternal(task, io_external_mem);
     fixed_roi = new ExynosVpuIoFixedMapRoi(salb_process, memmap);
     iotyps = new ExynosVpuIoTypesDesc(salb_process, fixed_roi);
     in1->setIoTypesDesc(iotyps);

     io_external_mem = new ExynosVpuIoExternalMem(task);
     memmap = new ExynosVpuMemmapExternal(task, io_external_mem);
     fixed_roi = new ExynosVpuIoFixedMapRoi(salb_process, memmap);
     iotyps = new ExynosVpuIoTypesDesc(salb_process, fixed_roi);
     in2->setIoTypesDesc(iotyps);

     io_external_mem = new ExynosVpuIoExternalMem(task);
     memmap = new ExynosVpuMemmapExternal(task, io_external_mem);
     fixed_roi = new ExynosVpuIoFixedMapRoi(salb_process, memmap);
     iotyps = new ExynosVpuIoTypesDesc(salb_process, fixed_roi);
     out->setIoTypesDesc(iotyps);

     status_t ret = NO_ERROR;
     ret |= task_if->setIoPu(VS4L_DIRECTION_IN, 0, in1);
     ret |= task_if->setIoPu(VS4L_DIRECTION_IN, 1, in2);
     ret |= task_if->setIoPu(VS4L_DIRECTION_OT, 0, out);
     if (ret != NO_ERROR) {
         VXLOGE("connectting pu to io fails");
         status = VX_FAILURE;
         goto EXIT;
     }

 EXIT:
     if (status == VX_SUCCESS)
         return task_if;
     else
         return NULL;
 }

 ExynosVpuKernelSubtract::ExynosVpuKernelSubtract(vx_char *name, vx_uint32 param_num)
                                        : ExynosVpuKernelArithmetic(name, param_num)
 {
     strcpy(m_task_name, "sub");
 }

 vx_status
 ExynosVpuKernelSubtract::initTask(vx_node node, const vx_reference *parameters)
 {
     vx_status status;

 #if 1
     status = initTaskFromBinary();
     if (status != VX_SUCCESS) {
         VXLOGE("init task from binary fails, %p, %p", node, parameters);
         goto EXIT;
     }
 #else
     status = initTaskFromApi();
     if (status != VX_SUCCESS) {
         VXLOGE("init task from api fails, %p, %p", node, parameters);
         goto EXIT;
     }
 #endif

 EXIT:
     return status;
 }

 vx_status
 ExynosVpuKernelSubtract::initTaskFromBinary(void)
 {
     vx_status status = VX_SUCCESS;
     ExynosVpuTaskIf *task_if_0;

     task_if_0 = initTask0FromBinary();
     if (task_if_0 == NULL) {
         VXLOGE("task0 isn't created");
         status = VX_FAILURE;
         goto EXIT;
     }

 EXIT:
     return status;
 }

 ExynosVpuTaskIf*
 ExynosVpuKernelSubtract::initTask0FromBinary(void)
 {
     vx_status status = VX_SUCCESS;
     int ret = NO_ERROR;

     ExynosVpuTaskIfWrapper *task_wr = new ExynosVpuTaskIfWrapper(this, 0);
     status = setTaskIfWrapper(0, task_wr);
     if (status != VX_SUCCESS) {
         VXLOGE("adding taskif wrapper fails");
         return NULL;
     }

     ExynosVpuTaskIf *task_if = task_wr->getTaskIf();
     ret = task_if->importTaskStr((struct vpul_task*)td_binary_subtract);
     if (ret != NO_ERROR) {
         VXLOGE("creating task descriptor fails, ret:%d", ret);
         status = VX_FAILURE;
     }

     /* connect pu to io */
     task_if->setIoPu(VS4L_DIRECTION_IN, 0, (uint32_t)0);
     task_if->setIoPu(VS4L_DIRECTION_IN, 1, (uint32_t)2);
     task_if->setIoPu(VS4L_DIRECTION_OT, 0, (uint32_t)3);

     if (status == VX_SUCCESS)
         return task_if;
     else
         return NULL;
 }

 vx_status
 ExynosVpuKernelSubtract::initTaskFromApi(void)
 {
     vx_status status = VX_SUCCESS;
     ExynosVpuTaskIf *task_if_0;

     task_if_0 = initTask0FromApi();
     if (task_if_0 == NULL) {
         VXLOGE("task0 isn't created");
         status = VX_FAILURE;
         goto EXIT;
     }

     status = createStrFromObjectOfTask();
     if (status != VX_SUCCESS) {
         VXLOGE("creating task str fails");
         goto EXIT;
     }

 EXIT:
     return status;
 }

 ExynosVpuTaskIf*
 ExynosVpuKernelSubtract::initTask0FromApi(void)
 {
     vx_status status = VX_SUCCESS;

     ExynosVpuPuFactory pu_factory;

     ExynosVpuTaskIfWrapper *task_wr = new ExynosVpuTaskIfWrapper(this, 0);
     status = setTaskIfWrapper(0, task_wr);
     if (status != VX_SUCCESS) {
         VXLOGE("adding taskif wrapper fails");
         return NULL;
     }

     ExynosVpuTaskIf *task_if = task_wr->getTaskIf();
     ExynosVpuTask *task = new ExynosVpuTask(task_if);
     struct vpul_task *task_param = task->getTaskInfo();
     task_param->priority = m_priority;

     ExynosVpuVertex *start_vertex = new ExynosVpuVertex(task, VPUL_VERTEXT_START);
     ExynosVpuProcess *salb_process = new ExynosVpuProcess(task);
     ExynosVpuVertex *end_vertex = new ExynosVpuVertex(task, VPUL_VERTEXT_END);

     ExynosVpuVertex::connect(start_vertex, salb_process);
     ExynosVpuVertex::connect(salb_process, end_vertex);

     ExynosVpuIoSizeInout *iosize = new ExynosVpuIoSizeInout(salb_process);

     /* define subchain */
     ExynosVpuSubchainHw *salb_subchain = new ExynosVpuSubchainHw(salb_process);

     /* define pu */
     ExynosVpuPu *in1 = pu_factory.createPu(salb_subchain, VPU_PU_DMAIN0);
     in1->setSize(iosize, iosize);
     ExynosVpuPu *salb = pu_factory.createPu(salb_subchain, VPU_PU_SALB0);
     salb->setSize(iosize, iosize);
     ExynosVpuPu *in2 = pu_factory.createPu(salb_subchain, VPU_PU_DMAIN_WIDE0);
     in2->setSize(iosize, iosize);
     ExynosVpuPu *out = pu_factory.createPu(salb_subchain, VPU_PU_DMAOT0);
     out->setSize(iosize, iosize);

     ExynosVpuPu::connect(in1, 0, salb, 0);
     ExynosVpuPu::connect(in2, 0, salb, 1);
     ExynosVpuPu::connect(salb, 0, out, 0);

     struct vpul_pu_dma *in1_param = (struct vpul_pu_dma*)in1->getParameter();
     struct vpul_pu_salb *salb_param = (struct vpul_pu_salb*)salb->getParameter();
     struct vpul_pu_dma *in2_param = (struct vpul_pu_dma*)in2->getParameter();
     struct vpul_pu_dma *out_param = (struct vpul_pu_dma*)out->getParameter();

     salb_param->input_enable = 3;
     salb_param->salbregs_custom_trunc_bittage = 1;

     /* connect pu to io */
     ExynosVpuIoExternalMem *io_external_mem;
     ExynosVpuMemmapExternal *memmap;
     ExynosVpuIoFixedMapRoi *fixed_roi;
     ExynosVpuIoTypesDesc *iotyps;

     io_external_mem = new ExynosVpuIoExternalMem(task);
     memmap = new ExynosVpuMemmapExternal(task, io_external_mem);
     fixed_roi = new ExynosVpuIoFixedMapRoi(salb_process, memmap);
     iotyps = new ExynosVpuIoTypesDesc(salb_process, fixed_roi);
     in1->setIoTypesDesc(iotyps);

     io_external_mem = new ExynosVpuIoExternalMem(task);
     memmap = new ExynosVpuMemmapExternal(task, io_external_mem);
     fixed_roi = new ExynosVpuIoFixedMapRoi(salb_process, memmap);
     iotyps = new ExynosVpuIoTypesDesc(salb_process, fixed_roi);
     in2->setIoTypesDesc(iotyps);

     io_external_mem = new ExynosVpuIoExternalMem(task);
     memmap = new ExynosVpuMemmapExternal(task, io_external_mem);
     fixed_roi = new ExynosVpuIoFixedMapRoi(salb_process, memmap);
     iotyps = new ExynosVpuIoTypesDesc(salb_process, fixed_roi);
     out->setIoTypesDesc(iotyps);

     status_t ret = NO_ERROR;
     ret |= task_if->setIoPu(VS4L_DIRECTION_IN, 0, in1);
     ret |= task_if->setIoPu(VS4L_DIRECTION_IN, 1, in2);
     ret |= task_if->setIoPu(VS4L_DIRECTION_OT, 0, out);
     if (ret != NO_ERROR) {
         VXLOGE("connectting pu to io fails");
         status = VX_FAILURE;
         goto EXIT;
     }

 EXIT:
     if (status == VX_SUCCESS)
         return task_if;
     else
         return NULL;
 }

 }; /* namespace android */
	/*
	* Copyright (C) 2015, Samsung Electronics Co. LTD
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	#define LOG_TAG "ExynosVpuKernelArithmetic"
	#include <cutils/log.h>

	#include "ExynosVpuKernelArithmetic.h"

	#include "vpu_kernel_util.h"

	#include "td-binary-add.h"
	#include "td-binary-subtract.h"

	namespace android {

	using namespace std;

	static vx_uint16 td_binary_add[] =
	TASK_test_binary_add_from_VDE_DS;

	static vx_uint16 td_binary_subtract[] =
	TASK_test_binary_subtract_from_VDE_DS;

	vx_status
	ExynosVpuKernelArithmetic::inputValidator(vx_node node, vx_uint32 index)
	{
	vx_status status = VX_ERROR_INVALID_PARAMETERS;

	if (index == 0) {
	vx_image input = 0;
	vx_parameter param = vxGetParameterByIndex(node, index);

	vxQueryParameter(param, VX_PARAMETER_ATTRIBUTE_REF, &input, sizeof(input));
	if (input) {
	vx_df_image format = 0;
	vxQueryImage(input, VX_IMAGE_ATTRIBUTE_FORMAT, &format, sizeof(format));
	if (format == VX_DF_IMAGE_U8 \|\| format == VX_DF_IMAGE_S16)
	status = VX_SUCCESS;
	vxReleaseImage(&input);
	}
	vxReleaseParameter(&param);
	} else if (index == 1) {
	vx_image images[2];
	vx_parameter param[2] = {
	vxGetParameterByIndex(node, 0),
	vxGetParameterByIndex(node, 1),
	};
	vxQueryParameter(param[0], VX_PARAMETER_ATTRIBUTE_REF, &images[0], sizeof(images[0]));
	vxQueryParameter(param[1], VX_PARAMETER_ATTRIBUTE_REF, &images[1], sizeof(images[1]));
	if (images[0] && images[1]) {
	vx_uint32 width[2], height[2];
	vx_df_image format1;

	vxQueryImage(images[0], VX_IMAGE_ATTRIBUTE_WIDTH, &width[0], sizeof(width[0]));
	vxQueryImage(images[1], VX_IMAGE_ATTRIBUTE_WIDTH, &width[1], sizeof(width[1]));
	vxQueryImage(images[0], VX_IMAGE_ATTRIBUTE_HEIGHT, &height[0], sizeof(height[0]));
	vxQueryImage(images[1], VX_IMAGE_ATTRIBUTE_HEIGHT, &height[1], sizeof(height[1]));
	vxQueryImage(images[1], VX_IMAGE_ATTRIBUTE_FORMAT, &format1, sizeof(format1));
	if (width[0] == width[1] && height[0] == height[1] &&
	(format1 == VX_DF_IMAGE_U8 \|\| format1 == VX_DF_IMAGE_S16))
	status = VX_SUCCESS;
	vxReleaseImage(&images[0]);
	vxReleaseImage(&images[1]);
	}
	vxReleaseParameter(&param[0]);
	vxReleaseParameter(&param[1]);
	} else if (index == 2) {
	/* overflow_policy: truncate or saturate. */
	vx_parameter param = vxGetParameterByIndex(node, index);
	if (param) {
	vx_scalar scalar = 0;
	vxQueryParameter(param, VX_PARAMETER_ATTRIBUTE_REF, &scalar, sizeof(scalar));
	if (scalar) {
	vx_enum stype = 0;
	vxQueryScalar(scalar, VX_SCALAR_ATTRIBUTE_TYPE, &stype, sizeof(stype));
	if (stype == VX_TYPE_ENUM) {
	vx_enum overflow_policy = 0;
	vxReadScalarValue(scalar, &overflow_policy);
	if ((overflow_policy == VX_CONVERT_POLICY_WRAP) \|\|
	(overflow_policy == VX_CONVERT_POLICY_SATURATE)) {
	status = VX_SUCCESS;
	} else {
	status = VX_ERROR_INVALID_VALUE;
	}
	}
	else
	{
	status = VX_ERROR_INVALID_TYPE;
	}
	vxReleaseScalar(&scalar);
	}
	vxReleaseParameter(&param);
	}
	}

	return status;
	}

	vx_status
	ExynosVpuKernelArithmetic::outputValidator(vx_node node, vx_uint32 index, vx_meta_format meta)
	{
	vx_status status = VX_ERROR_INVALID_PARAMETERS;

	if (index == 3) {
	/*
	* We need to look at both input images, but only for the format:
	* if either is S16 or the output type is not U8, then it's S16.
	* The geometry of the output image is copied from the first parameter:
	* the input images are known to match from input parameters validation.
	*/
	vx_parameter param[] = {
	vxGetParameterByIndex(node, 0),
	vxGetParameterByIndex(node, 1),
	vxGetParameterByIndex(node, index),
	};
	if ((param[0]) && (param[1]) && (param[2])) {
	vx_image images[3];
	vxQueryParameter(param[0], VX_PARAMETER_ATTRIBUTE_REF, &images[0], sizeof(images[0]));
	vxQueryParameter(param[1], VX_PARAMETER_ATTRIBUTE_REF, &images[1], sizeof(images[1]));
	vxQueryParameter(param[2], VX_PARAMETER_ATTRIBUTE_REF, &images[2], sizeof(images[2]));
	if (images[0] && images[1] && images[2]) {
	vx_uint32 width = 0, height = 0;
	vx_df_image informat[2] = {VX_DF_IMAGE_VIRT, VX_DF_IMAGE_VIRT};
	vx_df_image outformat = VX_DF_IMAGE_VIRT;

	/*
	* When passing on the geometry to the output image, we only look at
	* image 0, as both input images are verified to match, at input
	* validation.
	*/
	vxQueryImage(images[0], VX_IMAGE_ATTRIBUTE_WIDTH, &width, sizeof(width));
	vxQueryImage(images[0], VX_IMAGE_ATTRIBUTE_HEIGHT, &height, sizeof(height));
	vxQueryImage(images[0], VX_IMAGE_ATTRIBUTE_FORMAT, &informat[0], sizeof(informat[0]));
	vxQueryImage(images[1], VX_IMAGE_ATTRIBUTE_FORMAT, &informat[1], sizeof(informat[1]));
	vxQueryImage(images[2], VX_IMAGE_ATTRIBUTE_FORMAT, &outformat, sizeof(outformat));

	if (informat[0] == VX_DF_IMAGE_U8 && informat[1] == VX_DF_IMAGE_U8 && outformat == VX_DF_IMAGE_U8) {
	status = VX_SUCCESS;
	} else {
	outformat = VX_DF_IMAGE_S16;
	status = VX_SUCCESS;
	}
	vxSetMetaFormatAttribute(meta, VX_IMAGE_ATTRIBUTE_FORMAT, &outformat, sizeof(outformat));
	vxSetMetaFormatAttribute(meta, VX_IMAGE_ATTRIBUTE_WIDTH, &width, sizeof(width));
	vxSetMetaFormatAttribute(meta, VX_IMAGE_ATTRIBUTE_HEIGHT, &height, sizeof(height));

	vxReleaseImage(&images[0]);
	vxReleaseImage(&images[1]);
	vxReleaseImage(&images[2]);
	}
	vxReleaseParameter(&param[0]);
	vxReleaseParameter(&param[1]);
	vxReleaseParameter(&param[2]);
	}
	}

	return status;
	}

	ExynosVpuKernelArithmetic::ExynosVpuKernelArithmetic(vx_char *name, vx_uint32 param_num)
	: ExynosVpuKernel(name, param_num)
	{

	}

	ExynosVpuKernelArithmetic::~ExynosVpuKernelArithmetic(void)
	{

	}

	vx_status
	ExynosVpuKernelArithmetic::setupBaseVxInfo(const vx_reference parameters[])
	{
	vx_status status = VX_FAILURE;

	vx_image input = (vx_image)parameters[0];

	status = vxGetValidAncestorRegionImage(input, &m_valid_rect);
	if (status != VX_SUCCESS) {
	VXLOGE("getting valid region fails, err:%d", status);
	}

	return status;
	}

	vx_status
	ExynosVpuKernelArithmetic::updateTaskParamFromVX(vx_node node, const vx_reference *parameters)
	{
	vx_status status = VX_SUCCESS;

	if (!node)
	VXLOGE("invalid node, %p, %p", node, parameters);

	/* update task object from vx */
	vx_image input0 = (vx_image)parameters[0];
	vx_image input1 = (vx_image)parameters[1];
	vx_scalar policy_s = (vx_scalar)parameters[2];
	vx_image output = (vx_image)parameters[3];

	vx_df_image input0_format;
	vx_df_image input1_format;
	vx_df_image output_format;
	status \|= vxQueryImage(input0, VX_IMAGE_ATTRIBUTE_FORMAT, &input0_format, sizeof(input0_format));
	status \|= vxQueryImage(input1, VX_IMAGE_ATTRIBUTE_FORMAT, &input1_format, sizeof(input1_format));
	status \|= vxQueryImage(output, VX_IMAGE_ATTRIBUTE_FORMAT, &output_format, sizeof(output_format));
	if (status != VX_SUCCESS) {
	VXLOGE("querying image fails, err:%d", status);
	goto EXIT;
	}

	vx_enum policy;
	status = vxReadScalarValue(policy_s, &policy);
	if (status != VX_SUCCESS) {
	VXLOGE("reading scalar, err:%d", status);
	goto EXIT;
	}

	ExynosVpuPu *salb;
	salb = getTask(0)->getPu(VPU_PU_SALB0, 1, 0);
	if (salb == NULL) {
	VXLOGE("getting pu fails");
	status = VX_FAILURE;
	goto EXIT;
	}

	struct vpul_pu_salb *salb_param;
	salb_param = (struct vpul_pu_salb*)salb->getParameter();
	switch (policy) {
	case VX_CONVERT_POLICY_WRAP:
	salb_param->trunc_out = 1;
	break;
	case VX_CONVERT_POLICY_SATURATE:
	salb_param->trunc_out = 0;
	break;
	default:
	VXLOGE("un-defined enum: 0x%x", policy);
	status = VX_FAILURE;
	goto EXIT;
	break;
	}

	switch (input0_format) {
	case VX_DF_IMAGE_U8:
	salb_param->bits_in0 = 0;
	salb_param->signed_in0 = 0;
	break;
	case VX_DF_IMAGE_S16:
	salb_param->bits_in0 = 1;
	salb_param->signed_in0 = 1;
	break;
	default:
	VXLOGE("un-defined type: 0x%x", input0_format);
	status = VX_FAILURE;
	goto EXIT;
	break;
	}

	switch (input1_format) {
	case VX_DF_IMAGE_U8:
	salb_param->bits_in1 = 0;
	salb_param->signed_in1 = 0;
	break;
	case VX_DF_IMAGE_S16:
	salb_param->bits_in1 = 1;
	salb_param->signed_in1 = 1;
	break;
	default:
	VXLOGE("un-defined type: 0x%x", input1_format);
	status = VX_FAILURE;
	goto EXIT;
	break;
	}

	switch (output_format) {
	case VX_DF_IMAGE_U8:
	salb_param->bits_out0 = 0;
	salb_param->signed_out0 = 0;
	break;
	case VX_DF_IMAGE_S16:
	salb_param->bits_out0= 1;
	salb_param->signed_out0 = 1;
	break;
	default:
	VXLOGE("un-defined type: 0x%x", output_format);
	status = VX_FAILURE;
	goto EXIT;
	break;
	}

	EXIT:
	return status;
	}

	vx_status
	ExynosVpuKernelArithmetic::initVxIo(const vx_reference *parameters)
	{
	vx_status status = VX_SUCCESS;

	ExynosVpuTaskIfWrapper *task_wr_0 = m_task_wr_list[0];

	/* connect vx param to io */
	vx_param_info_t param_info;
	memset(&param_info, 0x0, sizeof(param_info));

	param_info.image.plane = 0;
	status = task_wr_0->setIoVxParam(VS4L_DIRECTION_IN, 0, 0, param_info);
	if (status != VX_SUCCESS) {
	VXLOGE("assigning param fails, %p", parameters);
	goto EXIT;
	}

	param_info.image.plane = 0;
	status = task_wr_0->setIoVxParam(VS4L_DIRECTION_IN, 1, 1, param_info);
	if (status != VX_SUCCESS) {
	VXLOGE("assigning param fails, %p", parameters);
	goto EXIT;
	}

	param_info.image.plane = 0;
	status = task_wr_0->setIoVxParam(VS4L_DIRECTION_OT, 0, 3, param_info);
	if (status != VX_SUCCESS) {
	VXLOGE("assigning param fails, %p", parameters);
	goto EXIT;
	}

	EXIT:
	return status;
	}

	ExynosVpuKernelAdd::ExynosVpuKernelAdd(vx_char *name, vx_uint32 param_num)
	: ExynosVpuKernelArithmetic(name, param_num)
	{
	strcpy(m_task_name, "add");
	}

	vx_status
	ExynosVpuKernelAdd::initTask(vx_node node, const vx_reference *parameters)
	{
	vx_status status;

	#if 1
	status = initTaskFromBinary();
	if (status != VX_SUCCESS) {
	VXLOGE("init task from binary fails, %p, %p", node, parameters);
	goto EXIT;
	}
	#else
	status = initTaskFromApi();
	if (status != VX_SUCCESS) {
	VXLOGE("init task from api fails, %p, %p", node, parameters);
	goto EXIT;
	}
	#endif

	EXIT:
	return status;
	}

	vx_status
	ExynosVpuKernelAdd::initTaskFromBinary(void)
	{
	vx_status status = VX_SUCCESS;
	ExynosVpuTaskIf *task_if_0;

	task_if_0 = initTask0FromBinary();
	if (task_if_0 == NULL) {
	VXLOGE("task0 isn't created");
	status = VX_FAILURE;
	goto EXIT;
	}

	EXIT:
	return status;
	}

	ExynosVpuTaskIf*
	ExynosVpuKernelAdd::initTask0FromBinary(void)
	{
	vx_status status = VX_SUCCESS;
	int ret = NO_ERROR;

	ExynosVpuTaskIfWrapper *task_wr = new ExynosVpuTaskIfWrapper(this, 0);
	status = setTaskIfWrapper(0, task_wr);
	if (status != VX_SUCCESS) {
	VXLOGE("adding taskif wrapper fails");
	return NULL;
	}

	ExynosVpuTaskIf *task_if = task_wr->getTaskIf();
	ret = task_if->importTaskStr((struct vpul_task*)td_binary_add);
	if (ret != NO_ERROR) {
	VXLOGE("creating task descriptor fails, ret:%d", ret);
	status = VX_FAILURE;
	}

	/* connect pu to io */
	task_if->setIoPu(VS4L_DIRECTION_IN, 0, (uint32_t)0);
	task_if->setIoPu(VS4L_DIRECTION_IN, 1, (uint32_t)2);
	task_if->setIoPu(VS4L_DIRECTION_OT, 0, (uint32_t)3);

	if (status == VX_SUCCESS)
	return task_if;
	else
	return NULL;
	}

	vx_status
	ExynosVpuKernelAdd::initTaskFromApi(void)
	{
	vx_status status = VX_SUCCESS;
	ExynosVpuTaskIf *task_if_0;

	task_if_0 = initTask0FromApi();
	if (task_if_0 == NULL) {
	VXLOGE("task0 isn't created");
	status = VX_FAILURE;
	goto EXIT;
	}

	status = createStrFromObjectOfTask();
	if (status != VX_SUCCESS) {
	VXLOGE("creating task str fails");
	goto EXIT;
	}

	EXIT:
	return status;
	}

	ExynosVpuTaskIf*
	ExynosVpuKernelAdd::initTask0FromApi(void)
	{
	vx_status status = VX_SUCCESS;

	ExynosVpuPuFactory pu_factory;

	ExynosVpuTaskIfWrapper *task_wr = new ExynosVpuTaskIfWrapper(this, 0);
	status = setTaskIfWrapper(0, task_wr);
	if (status != VX_SUCCESS) {
	VXLOGE("adding taskif wrapper fails");
	return NULL;
	}

	ExynosVpuTaskIf *task_if = task_wr->getTaskIf();
	ExynosVpuTask *task = new ExynosVpuTask(task_if);
	struct vpul_task *task_param = task->getTaskInfo();
	task_param->priority = m_priority;

	ExynosVpuVertex *start_vertex = new ExynosVpuVertex(task, VPUL_VERTEXT_START);
	ExynosVpuProcess *salb_process = new ExynosVpuProcess(task);
	ExynosVpuVertex *end_vertex = new ExynosVpuVertex(task, VPUL_VERTEXT_END);

	ExynosVpuVertex::connect(start_vertex, salb_process);
	ExynosVpuVertex::connect(salb_process, end_vertex);

	ExynosVpuIoSizeInout *iosize = new ExynosVpuIoSizeInout(salb_process);

	/* define subchain */
	ExynosVpuSubchainHw *salb_subchain = new ExynosVpuSubchainHw(salb_process);

	/* define pu */
	ExynosVpuPu *in1 = pu_factory.createPu(salb_subchain, VPU_PU_DMAIN0);
	in1->setSize(iosize, iosize);
	ExynosVpuPu *salb = pu_factory.createPu(salb_subchain, VPU_PU_SALB0);
	salb->setSize(iosize, iosize);
	ExynosVpuPu *in2 = pu_factory.createPu(salb_subchain, VPU_PU_DMAIN_WIDE0);
	in2->setSize(iosize, iosize);
	ExynosVpuPu *out = pu_factory.createPu(salb_subchain, VPU_PU_DMAOT0);
	out->setSize(iosize, iosize);

	ExynosVpuPu::connect(in1, 0, salb, 0);
	ExynosVpuPu::connect(in2, 0, salb, 1);
	ExynosVpuPu::connect(salb, 0, out, 0);

	struct vpul_pu_dma in1_param = (struct vpul_pu_dma)in1->getParameter();
	struct vpul_pu_salb salb_param = (struct vpul_pu_salb)salb->getParameter();
	struct vpul_pu_dma in2_param = (struct vpul_pu_dma)in2->getParameter();
	struct vpul_pu_dma out_param = (struct vpul_pu_dma)out->getParameter();

	salb_param->input_enable = 3;
	salb_param->operation_code = 8;
	salb_param->salbregs_custom_trunc_bittage = 1;

	/* connect pu to io */
	ExynosVpuIoExternalMem *io_external_mem;
	ExynosVpuMemmapExternal *memmap;
	ExynosVpuIoFixedMapRoi *fixed_roi;
	ExynosVpuIoTypesDesc *iotyps;

	io_external_mem = new ExynosVpuIoExternalMem(task);
	memmap = new ExynosVpuMemmapExternal(task, io_external_mem);
	fixed_roi = new ExynosVpuIoFixedMapRoi(salb_process, memmap);
	iotyps = new ExynosVpuIoTypesDesc(salb_process, fixed_roi);
	in1->setIoTypesDesc(iotyps);

	io_external_mem = new ExynosVpuIoExternalMem(task);
	memmap = new ExynosVpuMemmapExternal(task, io_external_mem);
	fixed_roi = new ExynosVpuIoFixedMapRoi(salb_process, memmap);
	iotyps = new ExynosVpuIoTypesDesc(salb_process, fixed_roi);
	in2->setIoTypesDesc(iotyps);

	io_external_mem = new ExynosVpuIoExternalMem(task);
	memmap = new ExynosVpuMemmapExternal(task, io_external_mem);
	fixed_roi = new ExynosVpuIoFixedMapRoi(salb_process, memmap);
	iotyps = new ExynosVpuIoTypesDesc(salb_process, fixed_roi);
	out->setIoTypesDesc(iotyps);

	status_t ret = NO_ERROR;
	ret \|= task_if->setIoPu(VS4L_DIRECTION_IN, 0, in1);
	ret \|= task_if->setIoPu(VS4L_DIRECTION_IN, 1, in2);
	ret \|= task_if->setIoPu(VS4L_DIRECTION_OT, 0, out);
	if (ret != NO_ERROR) {
	VXLOGE("connectting pu to io fails");
	status = VX_FAILURE;
	goto EXIT;
	}

	EXIT:
	if (status == VX_SUCCESS)
	return task_if;
	else
	return NULL;
	}

	ExynosVpuKernelSubtract::ExynosVpuKernelSubtract(vx_char *name, vx_uint32 param_num)
	: ExynosVpuKernelArithmetic(name, param_num)
	{
	strcpy(m_task_name, "sub");
	}

	vx_status
	ExynosVpuKernelSubtract::initTask(vx_node node, const vx_reference *parameters)
	{
	vx_status status;

	#if 1
	status = initTaskFromBinary();
	if (status != VX_SUCCESS) {
	VXLOGE("init task from binary fails, %p, %p", node, parameters);
	goto EXIT;
	}
	#else
	status = initTaskFromApi();
	if (status != VX_SUCCESS) {
	VXLOGE("init task from api fails, %p, %p", node, parameters);
	goto EXIT;
	}
	#endif

	EXIT:
	return status;
	}

	vx_status
	ExynosVpuKernelSubtract::initTaskFromBinary(void)
	{
	vx_status status = VX_SUCCESS;
	ExynosVpuTaskIf *task_if_0;

	task_if_0 = initTask0FromBinary();
	if (task_if_0 == NULL) {
	VXLOGE("task0 isn't created");
	status = VX_FAILURE;
	goto EXIT;
	}

	EXIT:
	return status;
	}

	ExynosVpuTaskIf*
	ExynosVpuKernelSubtract::initTask0FromBinary(void)
	{
	vx_status status = VX_SUCCESS;
	int ret = NO_ERROR;

	ExynosVpuTaskIfWrapper *task_wr = new ExynosVpuTaskIfWrapper(this, 0);
	status = setTaskIfWrapper(0, task_wr);
	if (status != VX_SUCCESS) {
	VXLOGE("adding taskif wrapper fails");
	return NULL;
	}

	ExynosVpuTaskIf *task_if = task_wr->getTaskIf();
	ret = task_if->importTaskStr((struct vpul_task*)td_binary_subtract);
	if (ret != NO_ERROR) {
	VXLOGE("creating task descriptor fails, ret:%d", ret);
	status = VX_FAILURE;
	}

	/* connect pu to io */
	task_if->setIoPu(VS4L_DIRECTION_IN, 0, (uint32_t)0);
	task_if->setIoPu(VS4L_DIRECTION_IN, 1, (uint32_t)2);
	task_if->setIoPu(VS4L_DIRECTION_OT, 0, (uint32_t)3);

	if (status == VX_SUCCESS)
	return task_if;
	else
	return NULL;
	}

	vx_status
	ExynosVpuKernelSubtract::initTaskFromApi(void)
	{
	vx_status status = VX_SUCCESS;
	ExynosVpuTaskIf *task_if_0;

	task_if_0 = initTask0FromApi();
	if (task_if_0 == NULL) {
	VXLOGE("task0 isn't created");
	status = VX_FAILURE;
	goto EXIT;
	}

	status = createStrFromObjectOfTask();
	if (status != VX_SUCCESS) {
	VXLOGE("creating task str fails");
	goto EXIT;
	}

	EXIT:
	return status;
	}

	ExynosVpuTaskIf*
	ExynosVpuKernelSubtract::initTask0FromApi(void)
	{
	vx_status status = VX_SUCCESS;

	ExynosVpuPuFactory pu_factory;

	ExynosVpuTaskIfWrapper *task_wr = new ExynosVpuTaskIfWrapper(this, 0);
	status = setTaskIfWrapper(0, task_wr);
	if (status != VX_SUCCESS) {
	VXLOGE("adding taskif wrapper fails");
	return NULL;
	}

	ExynosVpuTaskIf *task_if = task_wr->getTaskIf();
	ExynosVpuTask *task = new ExynosVpuTask(task_if);
	struct vpul_task *task_param = task->getTaskInfo();
	task_param->priority = m_priority;

	ExynosVpuVertex *start_vertex = new ExynosVpuVertex(task, VPUL_VERTEXT_START);
	ExynosVpuProcess *salb_process = new ExynosVpuProcess(task);
	ExynosVpuVertex *end_vertex = new ExynosVpuVertex(task, VPUL_VERTEXT_END);

	ExynosVpuVertex::connect(start_vertex, salb_process);
	ExynosVpuVertex::connect(salb_process, end_vertex);

	ExynosVpuIoSizeInout *iosize = new ExynosVpuIoSizeInout(salb_process);

	/* define subchain */
	ExynosVpuSubchainHw *salb_subchain = new ExynosVpuSubchainHw(salb_process);

	/* define pu */
	ExynosVpuPu *in1 = pu_factory.createPu(salb_subchain, VPU_PU_DMAIN0);
	in1->setSize(iosize, iosize);
	ExynosVpuPu *salb = pu_factory.createPu(salb_subchain, VPU_PU_SALB0);
	salb->setSize(iosize, iosize);
	ExynosVpuPu *in2 = pu_factory.createPu(salb_subchain, VPU_PU_DMAIN_WIDE0);
	in2->setSize(iosize, iosize);
	ExynosVpuPu *out = pu_factory.createPu(salb_subchain, VPU_PU_DMAOT0);
	out->setSize(iosize, iosize);

	ExynosVpuPu::connect(in1, 0, salb, 0);
	ExynosVpuPu::connect(in2, 0, salb, 1);
	ExynosVpuPu::connect(salb, 0, out, 0);

	struct vpul_pu_dma in1_param = (struct vpul_pu_dma)in1->getParameter();
	struct vpul_pu_salb salb_param = (struct vpul_pu_salb)salb->getParameter();
	struct vpul_pu_dma in2_param = (struct vpul_pu_dma)in2->getParameter();
	struct vpul_pu_dma out_param = (struct vpul_pu_dma)out->getParameter();

	salb_param->input_enable = 3;
	salb_param->salbregs_custom_trunc_bittage = 1;

	/* connect pu to io */
	ExynosVpuIoExternalMem *io_external_mem;
	ExynosVpuMemmapExternal *memmap;
	ExynosVpuIoFixedMapRoi *fixed_roi;
	ExynosVpuIoTypesDesc *iotyps;

	io_external_mem = new ExynosVpuIoExternalMem(task);
	memmap = new ExynosVpuMemmapExternal(task, io_external_mem);
	fixed_roi = new ExynosVpuIoFixedMapRoi(salb_process, memmap);
	iotyps = new ExynosVpuIoTypesDesc(salb_process, fixed_roi);
	in1->setIoTypesDesc(iotyps);

	io_external_mem = new ExynosVpuIoExternalMem(task);
	memmap = new ExynosVpuMemmapExternal(task, io_external_mem);
	fixed_roi = new ExynosVpuIoFixedMapRoi(salb_process, memmap);
	iotyps = new ExynosVpuIoTypesDesc(salb_process, fixed_roi);
	in2->setIoTypesDesc(iotyps);

	io_external_mem = new ExynosVpuIoExternalMem(task);
	memmap = new ExynosVpuMemmapExternal(task, io_external_mem);
	fixed_roi = new ExynosVpuIoFixedMapRoi(salb_process, memmap);
	iotyps = new ExynosVpuIoTypesDesc(salb_process, fixed_roi);
	out->setIoTypesDesc(iotyps);

	status_t ret = NO_ERROR;
	ret \|= task_if->setIoPu(VS4L_DIRECTION_IN, 0, in1);
	ret \|= task_if->setIoPu(VS4L_DIRECTION_IN, 1, in2);
	ret \|= task_if->setIoPu(VS4L_DIRECTION_OT, 0, out);
	if (ret != NO_ERROR) {
	VXLOGE("connectting pu to io fails");
	status = VX_FAILURE;
	goto EXIT;
	}

	EXIT:
	if (status == VX_SUCCESS)
	return task_if;
	else
	return NULL;
	}

	}; /* namespace android */