/*
|
* image_file_handle.cpp - Image file handle
|
*
|
* Copyright (c) 2016 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>
|
* Author: Yinhang Liu <yinhangx.liu@intel.com>
|
*/
|
|
#include "image_file_handle.h"
|
|
namespace XCam {
|
|
ImageFileHandle::ImageFileHandle ()
|
{
|
}
|
|
ImageFileHandle::ImageFileHandle (const char *name, const char *option)
|
: FileHandle (name, option)
|
{
|
}
|
|
ImageFileHandle::~ImageFileHandle ()
|
{
|
close ();
|
}
|
|
XCamReturn
|
ImageFileHandle::read_buf (const SmartPtr<VideoBuffer> &buf)
|
{
|
const VideoBufferInfo info = buf->get_video_info ();
|
VideoBufferPlanarInfo planar;
|
uint8_t *memory = NULL;
|
XCamReturn ret = XCAM_RETURN_NO_ERROR;
|
|
XCAM_ASSERT (is_valid ());
|
|
memory = buf->map ();
|
for (uint32_t index = 0; index < info.components; index++) {
|
info.get_planar_info (planar, index);
|
uint32_t line_bytes = planar.width * planar.pixel_bytes;
|
|
for (uint32_t i = 0; i < planar.height; i++) {
|
if (fread (memory + info.offsets [index] + i * info.strides [index], 1, line_bytes, _fp) != line_bytes) {
|
if (end_of_file ())
|
ret = XCAM_RETURN_BYPASS;
|
else {
|
XCAM_LOG_ERROR ("read file failed, size doesn't match");
|
ret = XCAM_RETURN_ERROR_FILE;
|
}
|
}
|
}
|
}
|
buf->unmap ();
|
return ret;
|
}
|
|
XCamReturn
|
ImageFileHandle::write_buf (const SmartPtr<VideoBuffer> &buf)
|
{
|
const VideoBufferInfo info = buf->get_video_info ();
|
VideoBufferPlanarInfo planar;
|
uint8_t *memory = NULL;
|
XCamReturn ret = XCAM_RETURN_NO_ERROR;
|
|
XCAM_ASSERT (is_valid ());
|
|
memory = buf->map ();
|
for (uint32_t index = 0; index < info.components; index++) {
|
info.get_planar_info (planar, index);
|
uint32_t line_bytes = planar.width * planar.pixel_bytes;
|
|
for (uint32_t i = 0; i < planar.height; i++) {
|
if (fwrite (memory + info.offsets [index] + i * info.strides [index], 1, line_bytes, _fp) != line_bytes) {
|
XCAM_LOG_ERROR ("write file failed, size doesn't match");
|
ret = XCAM_RETURN_ERROR_FILE;
|
}
|
}
|
}
|
buf->unmap ();
|
return ret;
|
}
|
|
}
|
