Support NV12 format on Flatbuffer (#1806)

This commit is contained in:
LordGrey
2024-12-01 17:08:00 +01:00
committed by GitHub
parent bc1bfbc83a
commit 6e3357ea2d
7 changed files with 161 additions and 56 deletions

View File

@@ -1,4 +1,5 @@
#include "FlatBufferClient.h"
#include <utils/PixelFormat.h>
// qt
#include <QTcpSocket>
@@ -15,6 +16,8 @@ FlatBufferClient::FlatBufferClient(QTcpSocket* socket, int timeout, QObject *par
, _timeout(timeout * 1000)
, _priority()
{
_imageResampler.setPixelDecimation(1);
// timer setup
_timeoutTimer->setSingleShot(true);
_timeoutTimer->setInterval(_timeout);
@@ -25,6 +28,11 @@ FlatBufferClient::FlatBufferClient(QTcpSocket* socket, int timeout, QObject *par
connect(_socket, &QTcpSocket::disconnected, this, &FlatBufferClient::disconnected);
}
void FlatBufferClient::setPixelDecimation(int decimator)
{
_imageResampler.setPixelDecimation(decimator);
}
void FlatBufferClient::readyRead()
{
_timeoutTimer->start();
@@ -141,55 +149,71 @@ void FlatBufferClient::handleRegisterCommand(const hyperionnet::Register *regReq
void FlatBufferClient::handleImageCommand(const hyperionnet::Image *image)
{
Image<ColorRgb> imageRGB;
// extract parameters
int duration = image->duration();
const void* reqPtr;
if ((reqPtr = image->data_as_RawImage()) != nullptr)
{
const auto *img = static_cast<const hyperionnet::RawImage*>(reqPtr);
const auto & imageData = img->data();
const int width = img->width();
const int height = img->height();
const auto* img = static_cast<const hyperionnet::RawImage*>(reqPtr);
if (width <= 0 || height <= 0)
hyperionnet::RawImageT rawImageNative;
img->UnPackTo(&rawImageNative);
const int width = rawImageNative.width;
const int height = rawImageNative.height;
if (width <= 0 || height <= 0 || rawImageNative.data.empty())
{
sendErrorReply("Size of image data does not match with the width and height");
sendErrorReply("Invalid width and/or height or no raw image data provided");
return;
}
// check consistency of the size of the received data
int channelCount = (int)imageData->size()/(width*height);
if (channelCount != 3 && channelCount != 4)
int bytesPerPixel = rawImageNative.data.size() / (width * height);
if (bytesPerPixel != 3 && bytesPerPixel != 4)
{
sendErrorReply("Size of image data does not match with the width and height");
return;
}
// create ImageRgb
Image<ColorRgb> imageRGB(width, height);
if (channelCount == 3)
{
memmove(imageRGB.memptr(), imageData->data(), imageData->size());
}
if (channelCount == 4)
{
for (int source=0, destination=0; source < width * height * static_cast<int>(sizeof(ColorRgb)); source+=sizeof(ColorRgb), destination+=sizeof(ColorRgba))
{
memmove((uint8_t*)imageRGB.memptr() + source, imageData->data() + destination, sizeof(ColorRgb));
}
}
emit setGlobalInputImage(_priority, imageRGB, duration);
emit setBufferImage("FlatBuffer", imageRGB);
imageRGB.resize(width, height);
processRawImage(rawImageNative, bytesPerPixel, _imageResampler, imageRGB);
}
else if ((reqPtr = image->data_as_NV12Image()) != nullptr)
{
const auto* img = static_cast<const hyperionnet::NV12Image*>(reqPtr);
hyperionnet::NV12ImageT nv12ImageNative;
img->UnPackTo(&nv12ImageNative);
const int width = nv12ImageNative.width;
const int height = nv12ImageNative.height;
if (width <= 0 || height <= 0 || nv12ImageNative.data_y.empty() || nv12ImageNative.data_uv.empty())
{
sendErrorReply("Invalid width and/or height or no complete NV12 image data provided");
return;
}
imageRGB.resize(width, height);
processNV12Image(nv12ImageNative, _imageResampler, imageRGB);
}
else
{
sendErrorReply("No or unknown image data provided");
return;
}
emit setGlobalInputImage(_priority, imageRGB, duration);
emit setBufferImage("FlatBuffer", imageRGB);
// send reply
sendSuccessReply();
}
void FlatBufferClient::handleClearCommand(const hyperionnet::Clear *clear)
{
// extract parameters
@@ -242,3 +266,50 @@ void FlatBufferClient::sendErrorReply(const std::string &error)
_builder.Clear();
}
inline void FlatBufferClient::processRawImage(const hyperionnet::RawImageT& raw_image, int bytesPerPixel, ImageResampler& resampler, Image<ColorRgb>& outputImage) {
int width = raw_image.width;
int height = raw_image.height;
int lineLength = width * bytesPerPixel;
PixelFormat pixelFormat = (bytesPerPixel == 4) ? PixelFormat::RGB32 : PixelFormat::RGB24;
// Process the image
resampler.processImage(
raw_image.data.data(), // Raw RGB/RGBA buffer
width, // Image width
height, // Image height
lineLength, // Line length
pixelFormat, // Pixel format (RGB24/RGB32)
outputImage // Output image
);
}
inline void FlatBufferClient::processNV12Image(const hyperionnet::NV12ImageT& nv12_image, ImageResampler& resampler, Image<ColorRgb>& outputImage) {
// Combine data_y and data_uv into a single buffer
int width = nv12_image.width;
int height = nv12_image.height;
size_t y_size = nv12_image.data_y.size();
size_t uv_size = nv12_image.data_uv.size();
std::vector<uint8_t> combined_buffer(y_size + uv_size);
std::memcpy(combined_buffer.data(), nv12_image.data_y.data(), y_size);
std::memcpy(combined_buffer.data() + y_size, nv12_image.data_uv.data(), uv_size);
// Determine line length (stride_y)
int lineLength = nv12_image.stride_y > 0 ? nv12_image.stride_y : width;
PixelFormat pixelFormat = PixelFormat::NV12;
// Process the image
resampler.processImage(
combined_buffer.data(), // Combined NV12 buffer
width, // Image width
height, // Image height
lineLength, // Line length for Y plane
pixelFormat, // Pixel format (NV12)
outputImage // Output image
);
}