/*
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* image_handler.cpp - image handler implementation
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*
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* Copyright (c) 2017 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Author: Wind Yuan <feng.yuan@intel.com>
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*/
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#include "image_handler.h"
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namespace XCam {
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ImageHandler::ImageHandler (const char* name)
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: _name (NULL)
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{
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if (name)
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_name = strndup (name, XCAM_MAX_STR_SIZE);
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}
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ImageHandler::~ImageHandler()
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{
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xcam_mem_clear (_name);
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}
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bool
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ImageHandler::set_allocator (const SmartPtr<BufferPool> &allocator)
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{
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XCAM_FAIL_RETURN (
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ERROR, allocator.ptr (), false,
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"softhandler(%s) set allocator(is NULL)", XCAM_STR(get_name ()));
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_allocator = allocator;
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return true;
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}
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XCamReturn
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ImageHandler::finish ()
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{
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return XCAM_RETURN_NO_ERROR;
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}
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XCamReturn
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ImageHandler::terminate ()
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{
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if (_allocator.ptr ())
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_allocator->stop ();
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return XCAM_RETURN_NO_ERROR;
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}
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void
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ImageHandler::execute_status_check (const SmartPtr<ImageHandler::Parameters> ¶ms, const XCamReturn error)
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{
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if (_callback.ptr ())
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_callback->execute_status (this, params, error);
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}
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XCamReturn
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ImageHandler::reserve_buffers (const VideoBufferInfo &info, uint32_t count)
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{
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XCAM_FAIL_RETURN (
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ERROR, _allocator.ptr (), XCAM_RETURN_ERROR_PARAM,
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"softhandler(%s) reserve buffers failed, alloctor was not set", XCAM_STR(get_name ()));
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_allocator->set_video_info (info);
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XCAM_FAIL_RETURN (
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ERROR, _allocator->reserve (count), XCAM_RETURN_ERROR_MEM,
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"softhandler(%s) reserve buffers(%d) failed", XCAM_STR(get_name ()), count);
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return XCAM_RETURN_NO_ERROR;
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}
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SmartPtr<VideoBuffer>
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ImageHandler::get_free_buf ()
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{
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XCAM_FAIL_RETURN (
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ERROR, _allocator.ptr (), NULL,
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"softhandler(%s) get free buffer failed since allocator was not initilized", XCAM_STR(get_name ()));
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return _allocator->get_buffer (_allocator);
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}
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}
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