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/*
* image_handler.cpp - image handler implementation
*
* Copyright (c) 2017 Intel Corporation
*
* 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.
*
* Author: Wind Yuan <feng.yuan@intel.com>
*/
#include "image_handler.h"
namespace XCam {
ImageHandler::ImageHandler (const char* name)
: _need_configure (true)
, _enable_allocator (true)
, _buf_capacity (XCAM_DEFAULT_HANDLER_BUF_CAP)
, _name (NULL)
{
if (name)
_name = strndup (name, XCAM_MAX_STR_SIZE);
}
ImageHandler::~ImageHandler()
{
xcam_mem_clear (_name);
}
bool
ImageHandler::set_out_video_info (const VideoBufferInfo &info)
{
XCAM_ASSERT (info.width && info.height && info.format);
_out_video_info = info;
return true;
}
bool
ImageHandler::enable_allocator (bool enable, uint32_t buf_count)
{
if (enable && !buf_count) {
XCAM_LOG_ERROR (
"ImageHandler(%s) enable allocator must with buf_count>0", XCAM_STR(get_name ()));
return false;
}
_enable_allocator = enable;
if (enable)
_buf_capacity = buf_count;
return true;
}
bool
ImageHandler::set_allocator (const SmartPtr<BufferPool> &allocator)
{
XCAM_FAIL_RETURN (
ERROR, allocator.ptr (), false,
"ImageHandler(%s) set allocator(is NULL)", XCAM_STR(get_name ()));
_allocator = allocator;
return true;
}
XCamReturn
ImageHandler::configure_rest ()
{
if (_enable_allocator) {
XCAM_FAIL_RETURN (
ERROR, _out_video_info.is_valid (), XCAM_RETURN_ERROR_PARAM,
"image_hander(%s) configure reset failed before reserver buffer since out_video_info was not set",
XCAM_STR (get_name ()));
SmartPtr<BufferPool> allocator = create_allocator ();
XCAM_FAIL_RETURN (
ERROR, allocator.ptr (), XCAM_RETURN_ERROR_PARAM,
"image_hander(%s) configure reset failed since allocator not created", XCAM_STR (get_name ()));
_allocator = allocator;
XCamReturn ret = reserve_buffers (_out_video_info, _buf_capacity);
XCAM_FAIL_RETURN (
ERROR, xcam_ret_is_ok (ret), ret,
"soft_hander(%s) configure resource failed in reserving buffers", XCAM_STR (get_name ()));
}
return XCAM_RETURN_NO_ERROR;
}
XCamReturn
ImageHandler::execute_buffer (const SmartPtr<ImageHandler::Parameters> ¶m, bool sync)
{
XCAM_UNUSED (sync);
XCamReturn ret = XCAM_RETURN_NO_ERROR;
XCAM_FAIL_RETURN (
ERROR, param.ptr (), XCAM_RETURN_ERROR_PARAM,
"image_handler(%s) execute buffer failed, params is null",
XCAM_STR (get_name ()));
if (_need_configure) {
ret = configure_resource (param);
XCAM_FAIL_RETURN (
WARNING, xcam_ret_is_ok (ret), ret,
"image_handler(%s) configure resource failed", XCAM_STR (get_name ()));
ret = configure_rest ();
XCAM_FAIL_RETURN (
WARNING, xcam_ret_is_ok (ret), ret,
"image_handler(%s) configure rest failed", XCAM_STR (get_name ()));
_need_configure = false;
}
if (!param->out_buf.ptr () && _enable_allocator) {
param->out_buf = get_free_buf ();
XCAM_FAIL_RETURN (
ERROR, param->out_buf.ptr (), XCAM_RETURN_ERROR_PARAM,
"image_handler:%s execute buffer failed, output buffer failed in allocation.",
XCAM_STR (get_name ()));
}
ret = start_work (param);
XCAM_FAIL_RETURN (
ERROR, xcam_ret_is_ok (ret), ret,
"image_handler(%s) execute buffer failed in starting workers", XCAM_STR (get_name ()));
return ret;
}
void
ImageHandler::execute_done (const SmartPtr<ImageHandler::Parameters> ¶m, XCamReturn err)
{
XCAM_ASSERT (param.ptr ());
if (err < XCAM_RETURN_NO_ERROR) {
XCAM_LOG_WARNING (
"image_handler(%s) broken with errno %d", XCAM_STR (get_name ()), (int)err);
return ;
}
if (err > XCAM_RETURN_NO_ERROR) {
XCAM_LOG_WARNING (
"image_handler(%s) continued with errno %d", XCAM_STR (get_name ()), (int)err);
}
execute_status_check (param, err);
}
XCamReturn
ImageHandler::finish ()
{
return XCAM_RETURN_NO_ERROR;
}
XCamReturn
ImageHandler::terminate ()
{
if (_allocator.ptr ())
_allocator->stop ();
return XCAM_RETURN_NO_ERROR;
}
void
ImageHandler::execute_status_check (const SmartPtr<ImageHandler::Parameters> ¶ms, const XCamReturn error)
{
if (_callback.ptr ())
_callback->execute_status (this, params, error);
}
XCamReturn
ImageHandler::reserve_buffers (const VideoBufferInfo &info, uint32_t count)
{
XCAM_FAIL_RETURN (
ERROR, _allocator.ptr (), XCAM_RETURN_ERROR_PARAM,
"ImageHandler(%s) reserve buffers failed, alloctor was not set", XCAM_STR(get_name ()));
_allocator->set_video_info (info);
XCAM_FAIL_RETURN (
ERROR, _allocator->reserve (count), XCAM_RETURN_ERROR_MEM,
"ImageHandler(%s) reserve buffers(%d) failed", XCAM_STR(get_name ()), count);
return XCAM_RETURN_NO_ERROR;
}
SmartPtr<VideoBuffer>
ImageHandler::get_free_buf ()
{
XCAM_FAIL_RETURN (
ERROR, _allocator.ptr (), NULL,
"ImageHandler(%s) get free buffer failed since allocator was not initilized", XCAM_STR(get_name ()));
return _allocator->get_buffer (_allocator);
}
}
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