C++ (Cpp) RefPtr::AddBufferの例

コード例 #1

ファイル: MFTDecoder.cpp プロジェクト: Andrel322/gecko-dev

HRESULT
MFTDecoder::CreateOutputSample(RefPtr<IMFSample>* aOutSample)
{
  NS_ENSURE_TRUE(mDecoder != nullptr, E_POINTER);

  HRESULT hr;
  RefPtr<IMFSample> sample;
  hr = wmf::MFCreateSample(byRef(sample));
  NS_ENSURE_TRUE(SUCCEEDED(hr), hr);

  RefPtr<IMFMediaBuffer> buffer;
  int32_t bufferSize = mOutputStreamInfo.cbSize;
  UINT32 alignment = (mOutputStreamInfo.cbAlignment > 1) ? mOutputStreamInfo.cbAlignment - 1 : 0;
  hr = wmf::MFCreateAlignedMemoryBuffer(bufferSize, alignment, byRef(buffer));
  NS_ENSURE_TRUE(SUCCEEDED(hr), hr);

  DWORD maxLength = 0;
  DWORD currentLength = 0;
  BYTE* dst = nullptr;

  hr = sample->AddBuffer(buffer);
  NS_ENSURE_TRUE(SUCCEEDED(hr), hr);

  *aOutSample = sample.forget();

  return S_OK;
}

コード例 #2

ファイル: DXVA2Manager.cpp プロジェクト: nixiValor/Waterfox

HRESULT
D3D11DXVA2Manager::CreateOutputSample(RefPtr<IMFSample>& aSample, RefPtr<ID3D11Texture2D>& aTexture)
{
  RefPtr<IMFSample> sample;
  HRESULT hr = wmf::MFCreateSample(byRef(sample));
  NS_ENSURE_TRUE(SUCCEEDED(hr), hr);

  D3D11_TEXTURE2D_DESC desc;
  desc.Width = mWidth;
  desc.Height = mHeight;
  desc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
  desc.MipLevels = 1;
  desc.ArraySize = 1;
  desc.SampleDesc.Count = 1;
  desc.SampleDesc.Quality = 0;
  desc.Usage = D3D11_USAGE_DEFAULT;
  desc.BindFlags = D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_RENDER_TARGET;
  desc.CPUAccessFlags = 0;
  desc.MiscFlags = D3D11_RESOURCE_MISC_SHARED_KEYEDMUTEX;

  RefPtr<ID3D11Texture2D> texture;
  hr = mDevice->CreateTexture2D(&desc, nullptr, byRef(texture));
  NS_ENSURE_TRUE(SUCCEEDED(hr), hr);

  RefPtr<IMFMediaBuffer> buffer;
  hr = wmf::MFCreateDXGISurfaceBuffer(__uuidof(ID3D11Texture2D), texture, 0, FALSE, byRef(buffer));
  NS_ENSURE_TRUE(SUCCEEDED(hr), hr);

  sample->AddBuffer(buffer);

  aSample = sample;
  aTexture = texture;
  return S_OK;
}

コード例 #3

ファイル: DXVA2Manager.cpp プロジェクト: cliqz-oss/browser-f

HRESULT
D3D11DXVA2Manager::CreateOutputSample(RefPtr<IMFSample>& aSample, ID3D11Texture2D* aTexture)
{
  RefPtr<IMFSample> sample;
  HRESULT hr = wmf::MFCreateSample(getter_AddRefs(sample));
  NS_ENSURE_TRUE(SUCCEEDED(hr), hr);

  RefPtr<IMFMediaBuffer> buffer;
  hr = wmf::MFCreateDXGISurfaceBuffer(__uuidof(ID3D11Texture2D), aTexture, 0, FALSE, getter_AddRefs(buffer));
  NS_ENSURE_TRUE(SUCCEEDED(hr), hr);

  sample->AddBuffer(buffer);

  aSample = sample;
  return S_OK;
}

コード例 #4

ファイル: MFTDecoder.cpp プロジェクト: Andrel322/gecko-dev

HRESULT
MFTDecoder::CreateInputSample(const uint8_t* aData,
                              uint32_t aDataSize,
                              int64_t aTimestamp,
                              RefPtr<IMFSample>* aOutSample)
{
  NS_ENSURE_TRUE(mDecoder != nullptr, E_POINTER);

  HRESULT hr;
  RefPtr<IMFSample> sample;
  hr = wmf::MFCreateSample(byRef(sample));
  NS_ENSURE_TRUE(SUCCEEDED(hr), hr);

  RefPtr<IMFMediaBuffer> buffer;
  int32_t bufferSize = std::max<uint32_t>(uint32_t(mInputStreamInfo.cbSize), aDataSize);
  UINT32 alignment = (mInputStreamInfo.cbAlignment > 1) ? mInputStreamInfo.cbAlignment - 1 : 0;
  hr = wmf::MFCreateAlignedMemoryBuffer(bufferSize, alignment, byRef(buffer));
  NS_ENSURE_TRUE(SUCCEEDED(hr), hr);

  DWORD maxLength = 0;
  DWORD currentLength = 0;
  BYTE* dst = nullptr;
  hr = buffer->Lock(&dst, &maxLength, &currentLength);
  NS_ENSURE_TRUE(SUCCEEDED(hr), hr);

  // Copy data into sample's buffer.
  memcpy(dst, aData, aDataSize);

  hr = buffer->Unlock();
  NS_ENSURE_TRUE(SUCCEEDED(hr), hr);

  hr = buffer->SetCurrentLength(aDataSize);
  NS_ENSURE_TRUE(SUCCEEDED(hr), hr);

  hr = sample->AddBuffer(buffer);
  NS_ENSURE_TRUE(SUCCEEDED(hr), hr);

  hr = sample->SetSampleTime(UsecsToHNs(aTimestamp));
  NS_ENSURE_TRUE(SUCCEEDED(hr), hr);

  *aOutSample = sample.forget();

  return S_OK;
}