libcamera: Remove dead code after switch to FrameBuffer

Delete all dead code after switching to the FrameBuffer interface.

Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

src/libcamera/buffer.cpp

@@ -96,190 +96,6 @@ LOG_DEFINE_CATEGORY(Buffer)
  * \brief Array of per-plane metadata
  */
 
-/**
- * \class BufferMemory
- * \brief A memory buffer to store an image
- *
- * The BufferMemory class represents the memory buffers used to store full frame
- * images, which may contain multiple separate memory Plane objects if the
- * image format is multi-planar.
- */
-
-/**
- * \fn BufferMemory::planes() const
- * \brief Retrieve the planes within the buffer
- * \return A const reference to a vector holding all planes within the buffer
- */
-
-/**
- * \fn BufferMemory::planes()
- * \brief Retrieve the planes within the buffer
- * \return A reference to a vector holding all planes within the buffer
- */
-
-/**
- * \class BufferPool
- * \brief A pool of buffers
- *
- * The BufferPool class groups together a collection of Buffers to store frames.
- * The buffers must be exported by a device before they can be imported into
- * another device for further use.
- */
-
-BufferPool::~BufferPool()
-{
-	destroyBuffers();
-}
-
-/**
- * \brief Create buffers in the Pool
- * \param[in] count The number of buffers to create
- */
-void BufferPool::createBuffers(unsigned int count)
-{
-	buffers_.resize(count);
-}
-
-/**
- * \brief Release all buffers from pool
- *
- * If no buffers have been created or if buffers have already been released no
- * operation is performed.
- */
-void BufferPool::destroyBuffers()
-{
-	buffers_.resize(0);
-}
-
-/**
- * \fn BufferPool::count()
- * \brief Retrieve the number of buffers contained within the pool
- * \return The number of buffers contained in the pool
- */
-
-/**
- * \fn BufferPool::buffers()
- * \brief Retrieve all the buffers in the pool
- * \return A vector containing all the buffers in the pool.
- */
-
-/**
- * \class Buffer
- * \brief A buffer handle and dynamic metadata
- *
- * The Buffer class references a buffer memory and associates dynamic metadata
- * related to the frame contained in the buffer. It allows referencing buffer
- * memory through a single interface regardless of whether the memory is
- * allocated internally in libcamera or provided externally through dmabuf.
- *
- * Buffer instances are allocated dynamically for a stream through
- * Stream::createBuffer(), added to a request with Request::addBuffer() and
- * deleted automatically after the request complete handler returns.
- */
-
-/**
- * \brief Construct a buffer not associated with any stream
- *
- * This method constructs an orphaned buffer not associated with any stream. It
- * is not meant to be called by applications, they should instead create buffers
- * for a stream with Stream::createBuffer().
- */
-Buffer::Buffer(unsigned int index, const Buffer *metadata)
-	: index_(index), dmabuf_({ -1, -1, -1 }), request_(nullptr),
-	  stream_(nullptr)
-{
-	if (metadata)
-		metadata_ = metadata->metadata();
-	else
-		metadata_ = {};
-
-	metadata_.status = FrameMetadata::FrameSuccess;
-}
-
-/**
- * \fn Buffer::index()
- * \brief Retrieve the Buffer index
- * \return The buffer index
- */
-
-/**
- * \fn Buffer::dmabufs()
- * \brief Retrieve the dmabuf file descriptors for all buffer planes
- *
- * The dmabufs array contains one dmabuf file descriptor per plane. Unused
- * entries are set to -1.
- *
- * \return The dmabuf file descriptors
- */
-
-/**
- * \fn Buffer::mem()
- * \brief Retrieve the BufferMemory this buffer is associated with
- *
- * The association between the buffer and a BufferMemory instance is valid from
- * the time the request containing this buffer is queued to a camera to the end
- * of that request's completion handler.
- *
- * \return The BufferMemory this buffer is associated with
- */
-
-/**
- * \fn Buffer::metadata()
- * \brief Retrieve the buffer metadata
- *
- * The buffer metadata is updated when the buffer contents are modified, for
- * example when a frame has been captured to the buffer by the hardware.
- *
- * \return Metadata for the buffer
- */
-
-/**
- * \fn Buffer::request()
- * \brief Retrieve the request this buffer belongs to
- *
- * The intended callers of this method are buffer completion handlers that
- * need to associate a buffer to the request it belongs to.
- *
- * A Buffer is associated to a request by Request::addBuffer() and the
- * association is valid until the buffer completes. The returned request
- * pointer is valid only during that interval.
- *
- * \return The Request the Buffer belongs to, or nullptr if the buffer is
- * either completed or not associated with a request
- */
-
-/**
- * \fn Buffer::stream()
- * \brief Retrieve the stream this buffer is associated with
- *
- * A Buffer is associated to the stream that created it with
- * Stream::createBuffer() and the association is valid until the buffer is
- * destroyed. Buffer instances that are created directly are not associated
- * with any stream.
- *
- * \return The Stream the Buffer is associated with, or nullptr if the buffer
- * is not associated with a stream
- */
-
-/**
- * \brief Mark a buffer as cancel by setting its status to BufferCancelled
- */
-void Buffer::cancel()
-{
-	metadata_.status = FrameMetadata::FrameCancelled;
-	metadata_.sequence = 0;
-	metadata_.timestamp = 0;
-	metadata_.planes = {};
-}
-
-/**
- * \var Buffer::request_
- * \brief The request this buffer belongs to
- *
- * This member is intended to be set by Request::addBuffer() and
- * Request::completeBuffer().
- */
-
 /**
  * \class FrameBuffer
  * \brief Frame buffer data and its associated dynamic metadata