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// Copyright (c) 2012-2017 VideoStitch SAS
// Copyright (c) 2018 stitchEm
#include "maskedReader.hpp"
#include <gpu/buffer.hpp>
#include <gpu/memcpy.hpp>
#include "gpu/input/maskInput.hpp"
#include <cassert>
#include <iostream>
#include <sstream>
#include <string>
#include <cstring>
namespace VideoStitch {
namespace Input {
MaskedReader* MaskedReader::create(VideoReader* delegate, const unsigned char* maskHostBuffer) {
if (!maskHostBuffer) {
return NULL;
}
const size_t bufferSize = (size_t)(delegate->getSpec().width * delegate->getSpec().height);
unsigned char* ownedBuffer = new unsigned char[bufferSize];
if (!ownedBuffer) {
return NULL;
}
memcpy(ownedBuffer, maskHostBuffer, bufferSize);
return new MaskedReader(delegate, ownedBuffer);
}
MaskedReader::MaskedReader(VideoReader* delegate, unsigned char* maskHostBuffer)
: Reader(delegate->id),
StatefulBase(delegate->getSpec().width, delegate->getSpec().height, delegate->getFrameDataSize(),
delegate->getSpec().format, delegate->getSpec().addressSpace, delegate->getSpec().frameRate,
delegate->getFirstFrame(), delegate->getLastFrame(), delegate->getSpec().frameRateIsProcedural,
maskHostBuffer),
delegate(delegate),
maskHostBuffer(maskHostBuffer) {}
MaskedReader::~MaskedReader() {
delete[] maskHostBuffer;
delete delegate;
}
Status MaskedReader::perThreadInit() {
FAIL_RETURN(delegate->perThreadInit());
const size_t bufferSize = (size_t)(getSpec().width * getSpec().height);
auto maskDevBuffer = GPU::Buffer<unsigned char>::allocate(bufferSize, "Masked Reader");
if (!maskDevBuffer.ok()) {
return maskDevBuffer.status();
}
FAIL_RETURN(GPU::memcpyBlocking(maskDevBuffer.value(), maskHostBuffer, bufferSize));
return setCurrentDeviceData(maskDevBuffer.value());
}
void MaskedReader::perThreadCleanup() {
delegate->perThreadCleanup();
auto maskDevBufferP = getCurrentDeviceData();
if (maskDevBufferP) {
maskDevBufferP->release();
}
StatefulBase::perThreadCleanup();
}
Status MaskedReader::unpackDevBuffer(GPU::Surface& dst, const GPU::Buffer<const unsigned char>& src,
GPU::Stream& stream) const {
FAIL_RETURN(delegate->unpackDevBuffer(dst, src, stream));
auto maskDevBufferP = getCurrentDeviceData();
assert(maskDevBufferP);
if (!maskDevBufferP) {
// We should always have gone through perThreadInit().
return {Origin::Input, ErrType::ImplementationError, "Uninitialized masked reader"};
}
maskInput(dst, *maskDevBufferP, (unsigned)getSpec().width, (unsigned)getSpec().height, stream);
return Status::OK();
}
} // namespace Input
} // namespace VideoStitch
/// @endcond