/*
* xcam_buffer.cpp - video buffer standard version
*
* 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>
*/
#include <base/xcam_buffer.h>
XCamReturn
xcam_video_buffer_info_reset (
XCamVideoBufferInfo *info,
uint32_t format,
uint32_t width, uint32_t height,
uint32_t aligned_width, uint32_t aligned_height, uint32_t size)
{
uint32_t image_size = 0;
uint32_t i = 0;
XCAM_ASSERT (info && format);
XCAM_ASSERT (!aligned_width || aligned_width >= width);
XCAM_ASSERT (!aligned_height || aligned_height >= height);
if (!aligned_width)
aligned_width = XCAM_ALIGN_UP (width, 4);
if (!aligned_height)
aligned_height = XCAM_ALIGN_UP (height, 2);
info->format = format;
info->width = width;
info->height = height;
info->aligned_width = aligned_width;
info->aligned_height = aligned_height;
switch (format) {
case V4L2_PIX_FMT_GREY:
info->color_bits = 8;
info->components = 1;
info->strides [0] = aligned_width;
info->offsets [0] = 0;
image_size = info->strides [0] * aligned_height;
break;
case V4L2_PIX_FMT_NV12:
info->color_bits = 8;
info->components = 2;
info->strides [0] = aligned_width;
info->strides [1] = info->strides [0];
info->offsets [0] = 0;
info->offsets [1] = info->offsets [0] + info->strides [0] * aligned_height;
image_size = info->strides [0] * aligned_height + info->strides [1] * aligned_height / 2;
break;
case V4L2_PIX_FMT_YUYV:
info->color_bits = 8;
info->components = 1;
info->strides [0] = aligned_width * 2;
info->offsets [0] = 0;
image_size = info->strides [0] * aligned_height;
break;
case V4L2_PIX_FMT_RGB565:
info->color_bits = 16;
info->components = 1;
info->strides [0] = aligned_width * 2;
info->offsets [0] = 0;
image_size = info->strides [0] * aligned_height;
break;
case V4L2_PIX_FMT_RGB24:
info->color_bits = 8;
info->components = 1;
info->strides [0] = aligned_width * 3;
info->offsets [0] = 0;
image_size = info->strides [0] * aligned_height;
break;
// memory order RGBA 8-8-8-8
case V4L2_PIX_FMT_RGBA32:
// memory order: BGRA 8-8-8-8
case V4L2_PIX_FMT_XBGR32:
case V4L2_PIX_FMT_ABGR32:
case V4L2_PIX_FMT_BGR32:
// memory order: ARGB 8-8-8-8
case V4L2_PIX_FMT_RGB32:
case V4L2_PIX_FMT_ARGB32:
case V4L2_PIX_FMT_XRGB32:
info->color_bits = 8;
info->components = 1;
info->strides [0] = aligned_width * 4;
info->offsets [0] = 0;
image_size = info->strides [0] * aligned_height;
break;
case XCAM_PIX_FMT_RGB48:
info->color_bits = 16;
info->components = 1;
info->strides [0] = aligned_width * 3 * 2;
info->offsets [0] = 0;
image_size = info->strides [0] * aligned_height;
break;
case XCAM_PIX_FMT_RGBA64:
info->color_bits = 16;
info->components = 1;
info->strides [0] = aligned_width * 4 * 2;
info->offsets [0] = 0;
image_size = info->strides [0] * aligned_height;
break;
case V4L2_PIX_FMT_SBGGR8:
case V4L2_PIX_FMT_SGBRG8:
case V4L2_PIX_FMT_SGRBG8:
case V4L2_PIX_FMT_SRGGB8:
info->color_bits = 8;
info->components = 1;
info->strides [0] = aligned_width;
info->offsets [0] = 0;
image_size = info->strides [0] * aligned_height;
break;
case V4L2_PIX_FMT_SBGGR10:
case V4L2_PIX_FMT_SGBRG10:
case V4L2_PIX_FMT_SGRBG10:
case V4L2_PIX_FMT_SRGGB10:
info->color_bits = 10;
info->components = 1;
info->strides [0] = aligned_width * 2;
info->offsets [0] = 0;
image_size = info->strides [0] * aligned_height;
break;
case V4L2_PIX_FMT_SBGGR12:
case V4L2_PIX_FMT_SGBRG12:
case V4L2_PIX_FMT_SGRBG12:
case V4L2_PIX_FMT_SRGGB12:
info->color_bits = 12;
info->components = 1;
info->strides [0] = aligned_width * 2;
info->offsets [0] = 0;
image_size = info->strides [0] * aligned_height;
break;
case V4L2_PIX_FMT_SBGGR16:
case XCAM_PIX_FMT_SGRBG16:
info->color_bits = 16;
info->components = 1;
info->strides [0] = aligned_width * 2;
info->offsets [0] = 0;
image_size = info->strides [0] * aligned_height;
break;
case XCAM_PIX_FMT_LAB:
info->color_bits = 8;
info->components = 1;
info->strides [0] = aligned_width * 3;
info->offsets [0] = 0;
image_size = info->strides [0] * aligned_height;
break;
case XCAM_PIX_FMT_RGB48_planar:
case XCAM_PIX_FMT_RGB24_planar:
if (XCAM_PIX_FMT_RGB48_planar == format)
info->color_bits = 16;
else
info->color_bits = 8;
info->components = 3;
info->strides [0] = info->strides [1] = info->strides [2] = aligned_width * (info->color_bits / 8);
info->offsets [0] = 0;
info->offsets [1] = info->offsets [0] + info->strides [0] * aligned_height;
info->offsets [2] = info->offsets [1] + info->strides [1] * aligned_height;
image_size = info->offsets [2] + info->strides [2] * aligned_height;
break;
case XCAM_PIX_FMT_SGRBG16_planar:
case XCAM_PIX_FMT_SGRBG8_planar:
if (XCAM_PIX_FMT_SGRBG16_planar == format)
info->color_bits = 16;
else
info->color_bits = 8;
info->components = 4;
for (i = 0; i < info->components; ++i) {
info->strides [i] = aligned_width * (info->color_bits / 8);
}
info->offsets [0] = 0;
for (i = 1; i < info->components; ++i) {
info->offsets [i] = info->offsets [i - 1] + info->strides [i - 1] * aligned_height;
}
image_size = info->offsets [info->components - 1] + info->strides [info->components - 1] * aligned_height;
break;
default:
XCAM_LOG_WARNING ("XCamVideoBufferInfo reset failed, unsupported format:%s", xcam_fourcc_to_string (format));
return XCAM_RETURN_ERROR_PARAM;
}
if (!size)
info->size = image_size;
else {
XCAM_ASSERT (size >= image_size);
info->size = size;
}
return XCAM_RETURN_NO_ERROR;
}
XCamReturn
xcam_video_buffer_get_planar_info (
const XCamVideoBufferInfo *buf_info, XCamVideoBufferPlanarInfo *planar_info, const uint32_t index)
{
XCAM_ASSERT (buf_info);
XCAM_ASSERT (planar_info);
planar_info->width = buf_info->width;
planar_info->height = buf_info->height;
planar_info->pixel_bytes = XCAM_ALIGN_UP (buf_info->color_bits, 8) / 8;
switch (buf_info->format) {
case V4L2_PIX_FMT_NV12:
XCAM_ASSERT (index <= 1);
if (index == 1) {
planar_info->height = buf_info->height / 2;
}
break;
case V4L2_PIX_FMT_GREY:
case V4L2_PIX_FMT_YUYV:
case V4L2_PIX_FMT_RGB565:
case V4L2_PIX_FMT_SBGGR8:
case V4L2_PIX_FMT_SGBRG8:
case V4L2_PIX_FMT_SGRBG8:
case V4L2_PIX_FMT_SRGGB8:
case V4L2_PIX_FMT_SBGGR10:
case V4L2_PIX_FMT_SGBRG10:
case V4L2_PIX_FMT_SGRBG10:
case V4L2_PIX_FMT_SRGGB10:
case V4L2_PIX_FMT_SBGGR12:
case V4L2_PIX_FMT_SGBRG12:
case V4L2_PIX_FMT_SGRBG12:
case V4L2_PIX_FMT_SRGGB12:
case V4L2_PIX_FMT_SBGGR16:
case XCAM_PIX_FMT_SGRBG16:
XCAM_ASSERT (index <= 0);
break;
case V4L2_PIX_FMT_RGB24:
XCAM_ASSERT (index <= 0);
planar_info->pixel_bytes = 3;
break;
case V4L2_PIX_FMT_RGBA32:
case V4L2_PIX_FMT_XBGR32:
case V4L2_PIX_FMT_ABGR32:
case V4L2_PIX_FMT_BGR32:
case V4L2_PIX_FMT_RGB32:
case V4L2_PIX_FMT_ARGB32:
case V4L2_PIX_FMT_XRGB32:
XCAM_ASSERT (index <= 0);
planar_info->pixel_bytes = 4;
break;
case XCAM_PIX_FMT_RGB48:
XCAM_ASSERT (index <= 0);
planar_info->pixel_bytes = 3 * 2;
break;
case XCAM_PIX_FMT_RGBA64:
planar_info->pixel_bytes = 4 * 2;
break;
case XCAM_PIX_FMT_LAB:
planar_info->pixel_bytes = 3;
break;
case XCAM_PIX_FMT_RGB48_planar:
case XCAM_PIX_FMT_RGB24_planar:
XCAM_ASSERT (index <= 2);
break;
case XCAM_PIX_FMT_SGRBG16_planar:
case XCAM_PIX_FMT_SGRBG8_planar:
XCAM_ASSERT (index <= 3);
break;
default:
XCAM_LOG_WARNING ("VideoBufferInfo get_planar_info failed, unsupported format:%s", xcam_fourcc_to_string (buf_info->format));
return XCAM_RETURN_ERROR_PARAM;
}
return XCAM_RETURN_NO_ERROR;
}