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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include "GMPVideoPlaneImpl.h"
#include <algorithm>
#include "mozilla/gmp/GMPTypes.h"
#include "GMPVideoHost.h"
#include "GMPSharedMemManager.h"
namespace mozilla::gmp {
GMPPlaneImpl::GMPPlaneImpl(nsTArray<uint8_t>&& aArrayBuffer,
const GMPPlaneData& aPlaneData)
: mArrayBuffer(std::move(aArrayBuffer)),
mSize(aPlaneData.mSize()),
mStride(aPlaneData.mStride()) {
MOZ_ASSERT(aPlaneData.mOffset() == 0);
}
bool GMPPlaneImpl::InitPlaneData(nsTArray<uint8_t>& aArrayBuffer,
GMPPlaneData& aPlaneData) {
aArrayBuffer = std::move(mArrayBuffer);
aPlaneData.mSize() = mSize;
aPlaneData.mStride() = mStride;
return true;
}
GMPErr GMPPlaneImpl::MaybeResize(int32_t aNewSize) {
if (!mArrayBuffer.SetLength(aNewSize, fallible)) {
return GMPAllocErr;
}
return GMPNoErr;
}
GMPErr GMPPlaneImpl::CreateEmptyPlane(int32_t aAllocatedSize, int32_t aStride,
int32_t aPlaneSize) {
if (aAllocatedSize < 1 || aStride < 1 || aPlaneSize < 1) {
return GMPGenericErr;
}
GMPErr err = MaybeResize(aAllocatedSize);
if (err != GMPNoErr) {
return err;
}
mSize = aPlaneSize;
mStride = aStride;
return GMPNoErr;
}
GMPErr GMPPlaneImpl::Copy(const GMPPlane& aPlane) {
auto& planeimpl = static_cast<const GMPPlaneImpl&>(aPlane);
GMPErr err = MaybeResize(planeimpl.mSize);
if (err != GMPNoErr) {
return err;
}
if (planeimpl.Buffer() && planeimpl.mSize > 0) {
memcpy(Buffer(), planeimpl.Buffer(), std::min(mSize, planeimpl.mSize));
}
mSize = planeimpl.mSize;
mStride = planeimpl.mStride;
return GMPNoErr;
}
GMPErr GMPPlaneImpl::Copy(int32_t aSize, int32_t aStride,
const uint8_t* aBuffer) {
GMPErr err = MaybeResize(aSize);
if (err != GMPNoErr) {
return err;
}
if (aBuffer && aSize > 0) {
memcpy(Buffer(), aBuffer, aSize);
}
mSize = aSize;
mStride = aStride;
return GMPNoErr;
}
void GMPPlaneImpl::Swap(GMPPlane& aPlane) {
auto& planeimpl = static_cast<GMPPlaneImpl&>(aPlane);
std::swap(mStride, planeimpl.mStride);
std::swap(mSize, planeimpl.mSize);
mArrayBuffer.SwapElements(planeimpl.mArrayBuffer);
}
int32_t GMPPlaneImpl::AllocatedSize() const {
return static_cast<int32_t>(mArrayBuffer.Length());
}
void GMPPlaneImpl::ResetSize() { mSize = 0; }
bool GMPPlaneImpl::IsZeroSize() const { return (mSize == 0); }
int32_t GMPPlaneImpl::Stride() const { return mStride; }
const uint8_t* GMPPlaneImpl::Buffer() const {
if (!mArrayBuffer.IsEmpty()) {
return mArrayBuffer.Elements();
}
return nullptr;
}
uint8_t* GMPPlaneImpl::Buffer() {
if (!mArrayBuffer.IsEmpty()) {
return mArrayBuffer.Elements();
}
return nullptr;
}
void GMPPlaneImpl::Destroy() { delete this; }
} // namespace mozilla::gmp