flutter_package / processing_camera_image

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顾海波
ec451fbf 1 parent 9c6cb58f

【需求】适配鸿蒙照片转rgb

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Showing 9 changed files with 256 additions and 463 deletions
... ... @@ -5,16 +5,16 @@ packages:
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... ... @@ -78,65 +78,57 @@ packages:
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... ... @@ -146,18 +138,18 @@ packages:
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... ... @@ -172,103 +164,111 @@ packages:
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sky_engine:
... ... @@ -281,39 +281,39 @@ packages:
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... ... @@ -321,23 +321,23 @@ packages:
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... ... @@ -345,25 +345,33 @@ packages:
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... ...
... ... @@ -315,4 +315,56 @@ uint32_t *convert_image_nv12_to_rgb(uint8_t *plane0, uint8_t *plane1, int bytesP
{
return _rotaion_image_32bit(src, angleRotation, width, height, background_color);
}
}
uint32_t *convert_image_nv21_to_rgb(uint8_t *plane0, int width, int height, double angleRotation, uint32_t background_color, bool flip_vertical, bool flip_horizontal)
{
int x, y, uvIndex, index;
int yp, up, vp;
int r, g, b;
int rt, gt, bt;
int frameSize = width * height;
uint32_t *src = malloc(sizeof(uint32_t) * (width * height));
for (x = 0; x < width; ++x)
{
for (y = 0; y < height; ++y)
{
// 获取 Y 分量
index = y * width + x;
yp = plane0[index] & 0xFF;
// 获取 U 和 V 分量
uvIndex = frameSize + (y / 2) * width + (x / 2) * 2;
vp = plane0[uvIndex] & 0xFF;
up = plane0[uvIndex + 1] & 0xFF;
// YUV 转 RGB
rt = (int)(yp + 1.402 * (vp - 128));
gt = (int)(yp - 0.344 * (up - 128) - 0.714 * (vp - 128));
bt = (int)(yp + 1.772 * (up - 128));
r = _clamp(0, 255, rt);
g = _clamp(0, 255, gt);
b = _clamp(0, 255, bt);
src[x + y * width] = (HEXFF << 24) | (b << 16) | (g << 8) | r;
}
}
if (flip_horizontal)
{
_flip_horizontal_32bit(width, height, src);
}
if (flip_vertical)
{
_flip_vertical_32bit(width, height, src);
}
if (angleRotation == 0)
{
return src;
}
else
{
return _rotaion_image_32bit(src, angleRotation, width, height, background_color);
}
}
\ No newline at end of file
... ...
... ... @@ -16,7 +16,7 @@ extern "C"
uint32_t *convert_image_nv12_to_rgb(uint8_t *plane0, uint8_t *plane1, int bytesPerRow, int bytesPerPixel, int width, int height, double angleRotation, uint32_t background_color, bool flip_vertical, bool flip_horizontal);
uint32_t *convert_image_yuv420p_to_gray(uint8_t *plane0, int width, int height, double angleRotation, uint32_t background_color, bool flip_vertical, bool flip_horizontal);
uint32_t *convert_image_yuv420p_to_rgb(uint8_t *plane0, uint8_t *plane1, uint8_t *plane2, int bytesPerRow, int bytesPerPixel, int width, int height, double angleRotation, uint32_t background_color, bool flip_vertical, bool flip_horizontal);
uint32_t *convert_image_nv21_to_rgb(uint8_t *plane0, int width, int height, double angleRotation, uint32_t background_color, bool flip_vertical, bool flip_horizontal);
#ifdef __cplusplus
}
#endif
... ...
... ... @@ -57,3 +57,12 @@ typedef ConvertImageNV12ToRGBC = Pointer<Uint32> Function(Pointer<Uint8>,
Pointer<Uint8>, Int32, Int32, Int32, Int32, Double, Uint32, Bool, Bool);
typedef ConvertImageNV12ToRGBFlutter = Pointer<Uint32> Function(Pointer<Uint8>,
Pointer<Uint8>, int, int, int, int, double, int, bool, bool);
/*
native convert camera image NV21 to rgb
*/
typedef ConvertImageNV21ToRGBC = Pointer<Uint32> Function(Pointer<Uint8>,
Int32, Int32, Double, Uint32, Bool, Bool);
typedef ConvertImageNV21ToRGBFlutter = Pointer<Uint32> Function(Pointer<Uint8>,
int, int, double, int, bool, bool);
\ No newline at end of file
... ...
... ... @@ -33,6 +33,17 @@ abstract class ProcessingCameraImage {
bool isFlipVectical = false,
});
/// [processCameraImageToRGBOHOS]. for IOS with NV21.
imglib.Image? processCameraImageToRGBOHOS({
int? width,
int? height,
Uint8List? plane0,
double? rotationAngle,
int backGroundColor = 0xFFFFFFFF,
bool isFlipHoriozntal = false,
bool isFlipVectical = false,
});
/// [processCameraImageToRGBIOS]. for IOS with NV12.
imglib.Image? processCameraImageToRGBIOS({
int? width,
... ...
... ... @@ -16,6 +16,7 @@ class IProcessingCameraImage implements ProcessingCameraImage {
late final ConvertImageYuv420pToGray8BitFlutter
_convertImageYuv420pToGray8Bit;
late final ConvertImageNV12ToRGBFlutter _convertImageNV12ToRGB;
late final ConvertImageNV21ToRGBFlutter _convertImageNV21ToRGB;
factory IProcessingCameraImage() {
_instance ??= IProcessingCameraImage._();
... ... @@ -44,6 +45,11 @@ class IProcessingCameraImage implements ProcessingCameraImage {
.lookup<NativeFunction<ConvertImageNV12ToRGBC>>(
'convert_image_nv12_to_rgb')
.asFunction<ConvertImageNV12ToRGBFlutter>();
_convertImageNV21ToRGB = convertImageLib
.lookup<NativeFunction<ConvertImageNV21ToRGBC>>(
'convert_image_nv21_to_rgb')
.asFunction<ConvertImageNV21ToRGBFlutter>();
}
/// [ProcessCameraImageToRGB].
... ... @@ -229,6 +235,55 @@ class IProcessingCameraImage implements ProcessingCameraImage {
);
}
/// [processCameraImageToRGBIOS]. for IOS with YUV420.
@override
imglib.Image? processCameraImageToRGBOHOS({
int? width,
int? height,
Uint8List? plane0,
double? rotationAngle,
int backGroundColor = 0xFFFFFFFF,
bool isFlipHoriozntal = false,
bool isFlipVectical = false,
}) {
if (width == null ||
height == null ||
plane0 == null ||
plane0.isEmpty) {
return null;
}
rotationAngle ??= 0;
Pointer<Uint8> p = ffi.malloc.allocate(plane0.length);
Uint8List pointerList = p.asTypedList(plane0.length);
pointerList.setRange(0, plane0.length, plane0);
Pointer<Uint32> imgP = _convertImageNV21ToRGB(
p,
width,
height,
rotationAngle,
backGroundColor,
isFlipVectical,
isFlipHoriozntal,
);
final imgData = imgP.asTypedList(width * height);
imglib.Image img = imglib.Image.fromBytes(
bytes: imgData.buffer,
width: width,
height: height,
order: imglib.ChannelOrder.rgba);
ffi.malloc.free(p);
ffi.malloc.free(imgP);
return img;
}
/// [processCameraImageToRGBIOS]. for IOS with YUV420.
@override
imglib.Image? processCameraImageToRGBIOS({
... ...
... ... @@ -11,5 +11,5 @@ endif()
include_directories(${NATIVERENDER_ROOT_PATH}
${NATIVERENDER_ROOT_PATH}/include)
add_library(convertImage SHARED napi_init.cpp converter.c)
add_library(convertImage SHARED napi_init.cpp ../../../../ios/native/converter.c)
target_link_libraries(convertImage PUBLIC libace_napi.z.so)
\ No newline at end of file
... ...
//
// Created by thuanpm on 4/22/22.
//
#include <stdio.h>
#include "converter.h"
#include <math.h>
#include <stdlib.h>
#define HEXFF 255
int _clamp(int lower, int higher, int val)
{
if (val < lower)
return 0;
else if (val > higher)
return 255;
else
return val;
}
uint32_t *_rotaion_image_32bit(uint32_t *src, double angle, int width, int height, uint32_t background_color)
{
double rad = (angle * M_PI / 180.0);
double sinVal = sin(rad);
double cosVal = cos(rad);
int new_width = (int)(fabs(sinVal * height) + fabs(cosVal * width));
int new_height = (int)(fabs(sinVal * width) + fabs(cosVal * height));
double w2 = 0.5 * width;
double h2 = 0.5 * height;
double dw2 = 0.5 * new_width;
double dh2 = 0.5 * new_height;
uint32_t *dest = malloc(sizeof(uint32_t) * (new_width * new_height));
for (int i = 0; i < new_height; ++i)
{
for (int j = 0; j < new_width; ++j)
{
int oriX = (int)(w2 + (j - dw2) * cosVal + (i - dh2) * sinVal);
int oriY = (int)(h2 - (j - dw2) * sinVal + (i - dh2) * cosVal);
if (oriX >= 0 && oriX < width && oriY >= 0 && oriY < height)
{
dest[i * new_width + j] = src[oriX + oriY * width];
}
else
{
dest[i * new_width + j] = background_color;
}
}
}
free(src);
return dest;
}
uint8_t *_rotaion_image_8bit(uint8_t *src, double angle, int width, int height, uint8_t background_color)
{
double rad = (angle * M_PI / 180.0);
double sinVal = sin(rad);
double cosVal = cos(rad);
int new_width = (int)(fabs(sinVal * height) + fabs(cosVal * width));
int new_height = (int)(fabs(sinVal * width) + fabs(cosVal * height));
double w2 = 0.5 * width;
double h2 = 0.5 * height;
double dw2 = 0.5 * new_width;
double dh2 = 0.5 * new_height;
uint8_t *dest = malloc(sizeof(uint8_t) * (new_width * new_height));
for (int i = 0; i < new_height; ++i)
{
for (int j = 0; j < new_width; ++j)
{
int oriX = (int)(w2 + (j - dw2) * cosVal + (i - dh2) * sinVal);
int oriY = (int)(h2 - (j - dw2) * sinVal + (i - dh2) * cosVal);
if (oriX >= 0 && oriX < width && oriY >= 0 && oriY < height)
{
dest[i * new_width + j] = src[oriX + oriY * width];
}
else
{
dest[i * new_width + j] = background_color;
}
}
}
free(src);
return dest;
}
void _flip_horizontal_32bit(int width, int height, uint32_t *src)
{
int dw2 = (int)(width / 2);
for (int y = 0; y < height; ++y)
{
int y1 = (y * width);
for (int x = 0; x < dw2; ++x)
{
int x2 = (width - 1 - x);
uint32_t t = src[y1 + x2];
src[y1 + x2] = src[y1 + x];
src[y1 + x] = t;
}
}
}
void _flip_horizontal_8bit(int width, int height, uint8_t *src)
{
int dw2 = (int)(width / 2);
for (int y = 0; y < height; ++y)
{
int y1 = (y * width);
for (int x = 0; x < dw2; ++x)
{
int x2 = (width - 1 - x);
uint8_t t = src[y1 + x2];
src[y1 + x2] = src[y1 + x];
src[y1 + x] = t;
}
}
}
void _flip_vertical_32bit(int width, int height, uint32_t *src)
{
int h2 = (int)(height / 2);
for (int y = 0; y < h2; ++y)
{
int y1 = (y * width);
int y2 = (height - 1 - y) * width;
for (int x = 0; x < width; ++x)
{
uint32_t t = src[y2 + x];
src[y2 + x] = src[y1 + x];
src[y1 + x] = t;
}
}
}
void _flip_vertical_8bit(int width, int height, uint8_t *src)
{
int h2 = (int)(height / 2);
for (int y = 0; y < h2; ++y)
{
int y1 = (y * width);
int y2 = (height - 1 - y) * width;
for (int x = 0; x < width; ++x)
{
uint8_t t = src[y2 + x];
src[y2 + x] = src[y1 + x];
src[y1 + x] = t;
}
}
}
uint32_t *convert_image_yuv420p_to_gray(uint8_t *plane0, int width, int height, double angleRotation, uint32_t background_color, bool flip_vertical, bool flip_horizontal)
{
int x, y;
int yp, index;
uint32_t *src = malloc(sizeof(uint32_t) * (width * height));
for (x = 0; x < width; x++)
{
for (y = 0; y < height; y++)
{
index = y * width + x;
yp = plane0[index];
src[x + y * width] = (HEXFF << 24) | (yp << 16) | (yp << 8) | yp;
}
}
if (flip_horizontal)
{
_flip_horizontal_32bit(width, height, src);
}
if (flip_vertical)
{
_flip_vertical_32bit(width, height, src);
}
if (angleRotation == 0)
{
return src;
}
else
{
return _rotaion_image_32bit(src, angleRotation, width, height, background_color);
}
}
uint8_t *convert_image_yuv420p_to_gray_8bit(uint8_t *plane0, int width, int height, double angleRotation, uint8_t background_color, bool flip_vertical, bool flip_horizontal)
{
int x, y;
int index;
uint8_t yp;
uint8_t *src = malloc(sizeof(uint8_t) * (width * height));
for (x = 0; x < width; x++)
{
for (y = 0; y < height; y++)
{
index = y * width + x;
yp = plane0[index];
src[x + y * width] = yp;
}
}
if (flip_horizontal)
{
_flip_horizontal_8bit(width, height, src);
}
if (flip_vertical)
{
_flip_vertical_8bit(width, height, src);
}
if (angleRotation == 0)
{
return src;
}
else
{
return _rotaion_image_8bit(src, angleRotation, width, height, background_color);
}
}
uint32_t *convert_image_yuv420p_to_rgb(uint8_t *plane0, uint8_t *plane1, uint8_t *plane2, int bytesPerRow, int bytesPerPixel, int width, int height, double angleRotation, uint32_t background_color, bool flip_vertical, bool flip_horizontal)
{
int x, y, uvIndex, index;
int yp, up, vp;
int r, g, b;
int rt, gt, bt;
uint32_t *src = malloc(sizeof(uint32_t) * (width * height));
for (x = 0; x < width; ++x)
{
for (y = 0; y < height; ++y)
{
uvIndex = bytesPerPixel * ((int)floor(x / 2)) + bytesPerRow * ((int)floor(y / 2));
index = y * width + x;
yp = plane0[index];
up = plane1[uvIndex];
vp = plane2[uvIndex];
rt = round(yp + vp * 1436 / 1024 - 179);
gt = round(yp - up * 46549 / 131072 + 44 - vp * 93604 / 131072 + 91);
bt = round(yp + up * 1814 / 1024 - 227);
r = _clamp(0, 255, rt);
g = _clamp(0, 255, gt);
b = _clamp(0, 255, bt);
src[x + y * width] = (HEXFF << 24) | (b << 16) | (g << 8) | r;
}
}
if (flip_horizontal)
{
_flip_horizontal_32bit(width, height, src);
}
if (flip_vertical)
{
_flip_vertical_32bit(width, height, src);
}
if (angleRotation == 0)
{
return src;
}
else
{
return _rotaion_image_32bit(src, angleRotation, width, height, background_color);
}
}
uint32_t *convert_image_nv12_to_rgb(uint8_t *plane0, uint8_t *plane1, int bytesPerRow, int bytesPerPixel, int width, int height, double angleRotation, uint32_t background_color, bool flip_vertical, bool flip_horizontal)
{
int x, y, uvIndex, index;
int yp, up, vp;
int r, g, b;
int rt, gt, bt;
uint32_t *src = malloc(sizeof(uint32_t) * (width * height));
for (x = 0; x < width; ++x)
{
for (y = 0; y < height; ++y)
{
uvIndex = bytesPerPixel * ((int)floor(x / 2)) + bytesPerRow * ((int)floor(y / 2));
index = y * width + x;
yp = plane0[index];
up = plane1[uvIndex];
vp = plane1[uvIndex + 1];
rt = round(yp + vp * 1436 / 1024 - 179);
gt = round(yp - up * 46549 / 131072 + 44 - vp * 93604 / 131072 + 91);
bt = round(yp + up * 1814 / 1024 - 227);
r = _clamp(0, 255, rt);
g = _clamp(0, 255, gt);
b = _clamp(0, 255, bt);
src[x + y * width] = (HEXFF << 24) | (b << 16) | (g << 8) | r;
}
}
if (flip_horizontal)
{
_flip_horizontal_32bit(width, height, src);
}
if (flip_vertical)
{
_flip_vertical_32bit(width, height, src);
}
if (angleRotation == 0)
{
return src;
}
else
{
return _rotaion_image_32bit(src, angleRotation, width, height, background_color);
}
}
\ No newline at end of file
//
// Created by thuanpm on 4/22/22.
//
#ifndef PROCESSING_CAMERA_IMAGE_CONVERTER_H
#define PROCESSING_CAMERA_IMAGE_CONVERTER_H
#ifdef __cplusplus
extern "C"
{
#endif
#include <stdbool.h>
uint8_t *convert_image_yuv420p_to_gray_8bit(uint8_t *plane0, int width, int height, double angleRotation, uint8_t background_color, bool flip_vertical, bool flip_horizontal);
uint32_t *convert_image_nv12_to_rgb(uint8_t *plane0, uint8_t *plane1, int bytesPerRow, int bytesPerPixel, int width, int height, double angleRotation, uint32_t background_color, bool flip_vertical, bool flip_horizontal);
uint32_t *convert_image_yuv420p_to_gray(uint8_t *plane0, int width, int height, double angleRotation, uint32_t background_color, bool flip_vertical, bool flip_horizontal);
uint32_t *convert_image_yuv420p_to_rgb(uint8_t *plane0, uint8_t *plane1, uint8_t *plane2, int bytesPerRow, int bytesPerPixel, int width, int height, double angleRotation, uint32_t background_color, bool flip_vertical, bool flip_horizontal);
#ifdef __cplusplus
}
#endif
#endif // PROCESSING_CAMERA_IMAGE_CONVERTER_H
\ No newline at end of file