Move utility functions to a common library

This change creates a library that contains utility functions commonly
used in different EVS versions.

Bug: 13542573
Test: VTS
Change-Id: Ica8f5e6228d7d4b1426d8cc9cd2c570d6b584897
Signed-off-by: Changyeon Jo <changyeon@google.com>
This commit is contained in:
Changyeon Jo 2019-07-29 08:21:29 -07:00
parent 1d0f024bd7
commit e472971e96
7 changed files with 205 additions and 131 deletions

View file

@ -2,3 +2,4 @@ service vendor.evs-hal-mock /vendor/bin/hw/android.hardware.automotive.evs@1.0-s
class hal
user automotive_evs
group automotive_evs
disabled # do not start automatically

View file

@ -19,13 +19,15 @@ cc_test {
srcs: [
"VtsHalEvsV1_0TargetTest.cpp",
"FrameHandler.cpp",
"FormatConvert.cpp"
],
defaults: ["VtsHalTargetTestDefaults"],
shared_libs: [
"libui",
],
static_libs: ["android.hardware.automotive.evs@1.0"],
static_libs: [
"android.hardware.automotive.evs@1.0",
"android.hardware.automotive.evs@common-default-lib",
],
test_suites: ["general-tests"],
cflags: [
"-O0",

View file

@ -1,74 +0,0 @@
/*
* Copyright (C) 2017 The Android Open Source Project
*
* 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.
*/
#ifndef EVS_VTS_FORMATCONVERT_H
#define EVS_VTS_FORMATCONVERT_H
#include <queue>
#include <stdint.h>
// Given an image buffer in NV21 format (HAL_PIXEL_FORMAT_YCRCB_420_SP), output 32bit RGBx/BGRx
// values. The NV21 format provides a Y array of 8bit values, followed by a 1/2 x 1/2 interleaved
// U/V array. It assumes an even width and height for the overall image, and a horizontal
// stride that is an even multiple of 16 bytes for both the Y and UV arrays.
void copyNV21toRGB32(unsigned width, unsigned height,
uint8_t* src,
uint32_t* dst, unsigned dstStridePixels,
bool bgrxFormat = false);
void copyNV21toBGR32(unsigned width, unsigned height,
uint8_t* src,
uint32_t* dst, unsigned dstStridePixels);
// Given an image buffer in YV12 format (HAL_PIXEL_FORMAT_YV12), output 32bit RGBx/BGRx values.
// The YV12 format provides a Y array of 8bit values, followed by a 1/2 x 1/2 U array, followed
// by another 1/2 x 1/2 V array. It assumes an even width and height for the overall image,
// and a horizontal stride that is an even multiple of 16 bytes for each of the Y, U,
// and V arrays.
void copyYV12toRGB32(unsigned width, unsigned height,
uint8_t* src,
uint32_t* dst, unsigned dstStridePixels,
bool bgrxFormat = false);
void copyYV12toBGR32(unsigned width, unsigned height,
uint8_t* src,
uint32_t* dst, unsigned dstStridePixels);
// Given an image buffer in YUYV format (HAL_PIXEL_FORMAT_YCBCR_422_I), output 32bit RGBx/BGRx
// values. The NV21 format provides a Y array of 8bit values, followed by a 1/2 x 1/2 interleaved
// U/V array. It assumes an even width and height for the overall image, and a horizontal
// stride that is an even multiple of 16 bytes for both the Y and UV arrays.
void copyYUYVtoRGB32(unsigned width, unsigned height,
uint8_t* src, unsigned srcStrideBytes,
uint32_t* dst, unsigned dstStrideBytes,
bool bgrxFormat = false);
void copyYUYVtoBGR32(unsigned width, unsigned height,
uint8_t* src, unsigned srcStrideBytes,
uint32_t* dst, unsigned dstStrideBytes);
// Given an simple rectangular image buffer with an integer number of bytes per pixel,
// copy the pixel values into a new rectangular buffer (potentially with a different stride).
// This is typically used to copy RGBx data into an RGBx output buffer.
void copyMatchedInterleavedFormats(unsigned width, unsigned height,
void* src, unsigned srcStridePixels,
void* dst, unsigned dstStridePixels,
unsigned pixelSize);
#endif // EVS_VTS_FORMATCONVERT_H

View file

@ -240,46 +240,47 @@ bool FrameHandler::copyBufferContents(const BufferDesc& tgtBuffer,
tgt->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)&tgtPixels);
if (srcPixels && tgtPixels) {
using namespace ::android::hardware::automotive::evs::common;
if (tgtBuffer.format == HAL_PIXEL_FORMAT_RGBA_8888) {
if (srcBuffer.format == HAL_PIXEL_FORMAT_YCRCB_420_SP) { // 420SP == NV21
copyNV21toRGB32(width, height,
srcPixels,
tgtPixels, tgtBuffer.stride);
Utils::copyNV21toRGB32(width, height,
srcPixels,
tgtPixels, tgtBuffer.stride);
} else if (srcBuffer.format == HAL_PIXEL_FORMAT_YV12) { // YUV_420P == YV12
copyYV12toRGB32(width, height,
srcPixels,
tgtPixels, tgtBuffer.stride);
Utils::copyYV12toRGB32(width, height,
srcPixels,
tgtPixels, tgtBuffer.stride);
} else if (srcBuffer.format == HAL_PIXEL_FORMAT_YCBCR_422_I) { // YUYV
copyYUYVtoRGB32(width, height,
srcPixels, srcBuffer.stride,
tgtPixels, tgtBuffer.stride);
Utils::copyYUYVtoRGB32(width, height,
srcPixels, srcBuffer.stride,
tgtPixels, tgtBuffer.stride);
} else if (srcBuffer.format == tgtBuffer.format) { // 32bit RGBA
copyMatchedInterleavedFormats(width, height,
srcPixels, srcBuffer.stride,
tgtPixels, tgtBuffer.stride,
tgtBuffer.pixelSize);
Utils::copyMatchedInterleavedFormats(width, height,
srcPixels, srcBuffer.stride,
tgtPixels, tgtBuffer.stride,
tgtBuffer.pixelSize);
} else {
ALOGE("Camera buffer format is not supported");
success = false;
}
} else if (tgtBuffer.format == HAL_PIXEL_FORMAT_BGRA_8888) {
if (srcBuffer.format == HAL_PIXEL_FORMAT_YCRCB_420_SP) { // 420SP == NV21
copyNV21toBGR32(width, height,
srcPixels,
tgtPixels, tgtBuffer.stride);
Utils::copyNV21toBGR32(width, height,
srcPixels,
tgtPixels, tgtBuffer.stride);
} else if (srcBuffer.format == HAL_PIXEL_FORMAT_YV12) { // YUV_420P == YV12
copyYV12toBGR32(width, height,
srcPixels,
tgtPixels, tgtBuffer.stride);
Utils::copyYV12toBGR32(width, height,
srcPixels,
tgtPixels, tgtBuffer.stride);
} else if (srcBuffer.format == HAL_PIXEL_FORMAT_YCBCR_422_I) { // YUYV
copyYUYVtoBGR32(width, height,
srcPixels, srcBuffer.stride,
tgtPixels, tgtBuffer.stride);
Utils::copyYUYVtoBGR32(width, height,
srcPixels, srcBuffer.stride,
tgtPixels, tgtBuffer.stride);
} else if (srcBuffer.format == tgtBuffer.format) { // 32bit RGBA
copyMatchedInterleavedFormats(width, height,
srcPixels, srcBuffer.stride,
tgtPixels, tgtBuffer.stride,
tgtBuffer.pixelSize);
Utils::copyMatchedInterleavedFormats(width, height,
srcPixels, srcBuffer.stride,
tgtPixels, tgtBuffer.stride,
tgtBuffer.pixelSize);
} else {
ALOGE("Camera buffer format is not supported");
success = false;

View file

@ -0,0 +1,31 @@
//
// Copyright (C) 2019 The Android Open Source Project
//
// 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.
//
cc_library_static {
name: "android.hardware.automotive.evs@common-default-lib",
vendor_available: true,
relative_install_path: "hw",
cflags: [
"-O0",
"-g",
],
srcs: [
"FormatConvert.cpp"
],
export_include_dirs: ["include"],
shared_libs: [
],
}

View file

@ -18,10 +18,15 @@
#include "FormatConvert.h"
namespace android {
namespace hardware {
namespace automotive {
namespace evs {
namespace common {
// Round up to the nearest multiple of the given alignment value
template<unsigned alignment>
int align(int value) {
int Utils::align(int value) {
static_assert((alignment && !(alignment & (alignment - 1))),
"alignment must be a power of 2");
@ -31,15 +36,17 @@ int align(int value) {
// Limit the given value to the provided range. :)
static inline float clamp(float v, float min, float max) {
inline float Utils::clamp(float v, float min, float max) {
if (v < min) return min;
if (v > max) return max;
return v;
}
static uint32_t yuvToRgbx(const unsigned char Y, const unsigned char Uin, const unsigned char Vin,
bool bgrxFormat = false) {
uint32_t Utils::yuvToRgbx(const unsigned char Y,
const unsigned char Uin,
const unsigned char Vin,
bool bgrxFormat) {
// Don't use this if you want to see the best performance. :)
// Better to do this in a pixel shader if we really have to, but on actual
// embedded hardware we expect to be able to texture directly from the YUV data
@ -67,10 +74,10 @@ static uint32_t yuvToRgbx(const unsigned char Y, const unsigned char Uin, const
}
void copyNV21toRGB32(unsigned width, unsigned height,
uint8_t* src,
uint32_t* dst, unsigned dstStridePixels,
bool bgrxFormat)
void Utils::copyNV21toRGB32(unsigned width, unsigned height,
uint8_t* src,
uint32_t* dst, unsigned dstStridePixels,
bool bgrxFormat)
{
// The NV21 format provides a Y array of 8bit values, followed by a 1/2 x 1/2 interleaved
// U/V array. It assumes an even width and height for the overall image, and a horizontal
@ -99,10 +106,10 @@ void copyNV21toRGB32(unsigned width, unsigned height,
}
void copyYV12toRGB32(unsigned width, unsigned height,
uint8_t* src,
uint32_t* dst, unsigned dstStridePixels,
bool bgrxFormat)
void Utils::copyYV12toRGB32(unsigned width, unsigned height,
uint8_t* src,
uint32_t* dst, unsigned dstStridePixels,
bool bgrxFormat)
{
// The YV12 format provides a Y array of 8bit values, followed by a 1/2 x 1/2 U array, followed
// by another 1/2 x 1/2 V array. It assumes an even width and height for the overall image,
@ -134,10 +141,10 @@ void copyYV12toRGB32(unsigned width, unsigned height,
}
void copyYUYVtoRGB32(unsigned width, unsigned height,
uint8_t* src, unsigned srcStridePixels,
uint32_t* dst, unsigned dstStridePixels,
bool bgrxFormat)
void Utils::copyYUYVtoRGB32(unsigned width, unsigned height,
uint8_t* src, unsigned srcStridePixels,
uint32_t* dst, unsigned dstStridePixels,
bool bgrxFormat)
{
uint32_t* srcWords = (uint32_t*)src;
@ -167,34 +174,34 @@ void copyYUYVtoRGB32(unsigned width, unsigned height,
}
void copyNV21toBGR32(unsigned width, unsigned height,
uint8_t* src,
uint32_t* dst, unsigned dstStridePixels)
void Utils::copyNV21toBGR32(unsigned width, unsigned height,
uint8_t* src,
uint32_t* dst, unsigned dstStridePixels)
{
return copyNV21toRGB32(width, height, src, dst, dstStridePixels, true);
}
void copyYV12toBGR32(unsigned width, unsigned height,
uint8_t* src,
uint32_t* dst, unsigned dstStridePixels)
void Utils::copyYV12toBGR32(unsigned width, unsigned height,
uint8_t* src,
uint32_t* dst, unsigned dstStridePixels)
{
return copyYV12toRGB32(width, height, src, dst, dstStridePixels, true);
}
void copyYUYVtoBGR32(unsigned width, unsigned height,
uint8_t* src, unsigned srcStridePixels,
uint32_t* dst, unsigned dstStridePixels)
void Utils::copyYUYVtoBGR32(unsigned width, unsigned height,
uint8_t* src, unsigned srcStridePixels,
uint32_t* dst, unsigned dstStridePixels)
{
return copyYUYVtoRGB32(width, height, src, srcStridePixels, dst, dstStridePixels, true);
}
void copyMatchedInterleavedFormats(unsigned width, unsigned height,
void* src, unsigned srcStridePixels,
void* dst, unsigned dstStridePixels,
unsigned pixelSize) {
void Utils::copyMatchedInterleavedFormats(unsigned width, unsigned height,
void* src, unsigned srcStridePixels,
void* dst, unsigned dstStridePixels,
unsigned pixelSize) {
for (unsigned row = 0; row < height; row++) {
// Copy the entire row of pixel data
memcpy(dst, src, width * pixelSize);
@ -204,3 +211,10 @@ void copyMatchedInterleavedFormats(unsigned width, unsigned height,
dst = (uint8_t*)dst + dstStridePixels * pixelSize;
}
}
} // namespace common
} // namespace evs
} // namespace automotive
} // namespace hardware
} // namespace android

View file

@ -0,0 +1,99 @@
/*
* Copyright (C) 2017 The Android Open Source Project
*
* 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.
*/
#ifndef EVS_VTS_FORMATCONVERT_H
#define EVS_VTS_FORMATCONVERT_H
#include <queue>
#include <stdint.h>
namespace android {
namespace hardware {
namespace automotive {
namespace evs {
namespace common {
class Utils {
public:
// Given an image buffer in NV21 format (HAL_PIXEL_FORMAT_YCRCB_420_SP), output 32bit RGBx/BGRx
// values. The NV21 format provides a Y array of 8bit values, followed by a 1/2 x 1/2 interleaved
// U/V array. It assumes an even width and height for the overall image, and a horizontal
// stride that is an even multiple of 16 bytes for both the Y and UV arrays.
static void copyNV21toRGB32(unsigned width, unsigned height,
uint8_t* src,
uint32_t* dst, unsigned dstStridePixels,
bool bgrxFormat = false);
static void copyNV21toBGR32(unsigned width, unsigned height,
uint8_t* src,
uint32_t* dst, unsigned dstStridePixels);
// Given an image buffer in YV12 format (HAL_PIXEL_FORMAT_YV12), output 32bit RGBx/BGRx values.
// The YV12 format provides a Y array of 8bit values, followed by a 1/2 x 1/2 U array, followed
// by another 1/2 x 1/2 V array. It assumes an even width and height for the overall image,
// and a horizontal stride that is an even multiple of 16 bytes for each of the Y, U,
// and V arrays.
static void copyYV12toRGB32(unsigned width, unsigned height,
uint8_t* src,
uint32_t* dst, unsigned dstStridePixels,
bool bgrxFormat = false);
static void copyYV12toBGR32(unsigned width, unsigned height,
uint8_t* src,
uint32_t* dst, unsigned dstStridePixels);
// Given an image buffer in YUYV format (HAL_PIXEL_FORMAT_YCBCR_422_I), output 32bit RGBx/BGRx
// values. The NV21 format provides a Y array of 8bit values, followed by a 1/2 x 1/2 interleaved
// U/V array. It assumes an even width and height for the overall image, and a horizontal
// stride that is an even multiple of 16 bytes for both the Y and UV arrays.
static void copyYUYVtoRGB32(unsigned width, unsigned height,
uint8_t* src, unsigned srcStrideBytes,
uint32_t* dst, unsigned dstStrideBytes,
bool bgrxFormat = false);
static void copyYUYVtoBGR32(unsigned width, unsigned height,
uint8_t* src, unsigned srcStrideBytes,
uint32_t* dst, unsigned dstStrideBytes);
// Given an simple rectangular image buffer with an integer number of bytes per pixel,
// copy the pixel values into a new rectangular buffer (potentially with a different stride).
// This is typically used to copy RGBx data into an RGBx output buffer.
static void copyMatchedInterleavedFormats(unsigned width, unsigned height,
void* src, unsigned srcStridePixels,
void* dst, unsigned dstStridePixels,
unsigned pixelSize);
private:
template<unsigned alignment>
static int align(int value);
static inline float clamp(float v, float min, float max);
static uint32_t yuvToRgbx(const unsigned char Y,
const unsigned char Uin,
const unsigned char Vin,
bool bgrxFormat = false);
};
} // namespace common
} // namespace evs
} // namespace automotive
} // namespace hardware
} // namespace android
#endif // EVS_VTS_FORMATCONVERT_H