diff options
Diffstat (limited to 'src/android/mm/cros_camera_buffer.cpp')
| -rw-r--r-- | src/android/mm/cros_camera_buffer.cpp | 71 |
1 files changed, 42 insertions, 29 deletions
diff --git a/src/android/mm/cros_camera_buffer.cpp b/src/android/mm/cros_camera_buffer.cpp index 50732637..ba6650cf 100644 --- a/src/android/mm/cros_camera_buffer.cpp +++ b/src/android/mm/cros_camera_buffer.cpp @@ -25,7 +25,7 @@ public: int flags); ~Private(); - bool isValid() const { return valid_; } + bool isValid() const { return registered_; } unsigned int numPlanes() const; @@ -34,10 +34,12 @@ public: size_t jpegBufferSize(size_t maxJpegBufferSize) const; private: + void map(); + cros::CameraBufferManager *bufferManager_; buffer_handle_t handle_; unsigned int numPlanes_; - bool valid_; + bool mapped_; bool registered_; union { void *addr; @@ -50,7 +52,7 @@ CameraBuffer::Private::Private([[maybe_unused]] CameraBuffer *cameraBuffer, [[maybe_unused]] libcamera::PixelFormat pixelFormat, [[maybe_unused]] const libcamera::Size &size, [[maybe_unused]] int flags) - : handle_(camera3Buffer), numPlanes_(0), valid_(false), + : handle_(camera3Buffer), numPlanes_(0), mapped_(false), registered_(false) { bufferManager_ = cros::CameraBufferManager::GetInstance(); @@ -63,36 +65,11 @@ CameraBuffer::Private::Private([[maybe_unused]] CameraBuffer *cameraBuffer, registered_ = true; numPlanes_ = bufferManager_->GetNumPlanes(camera3Buffer); - switch (numPlanes_) { - case 1: { - ret = bufferManager_->Lock(handle_, 0, 0, 0, 0, 0, &mem.addr); - if (ret) { - LOG(HAL, Error) << "Single plane buffer mapping failed"; - return; - } - break; - } - case 2: - case 3: { - ret = bufferManager_->LockYCbCr(handle_, 0, 0, 0, 0, 0, - &mem.ycbcr); - if (ret) { - LOG(HAL, Error) << "YCbCr buffer mapping failed"; - return; - } - break; - } - default: - LOG(HAL, Error) << "Invalid number of planes: " << numPlanes_; - return; - } - - valid_ = true; } CameraBuffer::Private::~Private() { - if (valid_) + if (mapped_) bufferManager_->Unlock(handle_); if (registered_) bufferManager_->Deregister(handle_); @@ -105,6 +82,11 @@ unsigned int CameraBuffer::Private::numPlanes() const Span<uint8_t> CameraBuffer::Private::plane(unsigned int plane) { + if (!mapped_) + map(); + if (!mapped_) + return {}; + void *addr; switch (numPlanes()) { @@ -134,4 +116,35 @@ size_t CameraBuffer::Private::jpegBufferSize([[maybe_unused]] size_t maxJpegBuff return bufferManager_->GetPlaneSize(handle_, 0); } +void CameraBuffer::Private::map() +{ + int ret; + switch (numPlanes_) { + case 1: { + ret = bufferManager_->Lock(handle_, 0, 0, 0, 0, 0, &mem.addr); + if (ret) { + LOG(HAL, Error) << "Single plane buffer mapping failed"; + return; + } + break; + } + case 2: + case 3: { + ret = bufferManager_->LockYCbCr(handle_, 0, 0, 0, 0, 0, + &mem.ycbcr); + if (ret) { + LOG(HAL, Error) << "YCbCr buffer mapping failed"; + return; + } + break; + } + default: + LOG(HAL, Error) << "Invalid number of planes: " << numPlanes_; + return; + } + + mapped_ = true; + return; +} + PUBLIC_CAMERA_BUFFER_IMPLEMENTATION |