diff options
| author | Harvey Yang <chenghaoyang@chromium.org> | 2024-10-22 07:43:37 +0000 |
|---|---|---|
| committer | Kieran Bingham <kieran.bingham@ideasonboard.com> | 2024-11-20 10:47:27 +0000 |
| commit | 168488275aacc804ffd264187dca8b3e48b21d9e (patch) | |
| tree | 70094c4cd01544c9de672885a18a0f3344e79c84 /include | |
| parent | 83c5ad0facdbd0173da2bb9ac0f0adc74c3db5ba (diff) | |
libcamera: add DmaBufAllocator::exportBuffers()
Add a helper function exportBuffers in DmaBufAllocator to make it easier
to use.
It'll be used in Virtual Pipeline Handler and SoftwareIsp.
Signed-off-by: Harvey Yang <chenghaoyang@chromium.org>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/libcamera/internal/dma_buf_allocator.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/libcamera/internal/dma_buf_allocator.h b/include/libcamera/internal/dma_buf_allocator.h index d2a0a0d1..9211d483 100644 --- a/include/libcamera/internal/dma_buf_allocator.h +++ b/include/libcamera/internal/dma_buf_allocator.h @@ -7,11 +7,17 @@ #pragma once +#include <memory> +#include <string> +#include <vector> + #include <libcamera/base/flags.h> #include <libcamera/base/unique_fd.h> namespace libcamera { +class FrameBuffer; + class DmaBufAllocator { public: @@ -28,7 +34,14 @@ public: bool isValid() const { return providerHandle_.isValid(); } UniqueFD alloc(const char *name, std::size_t size); + int exportBuffers(unsigned int count, + const std::vector<unsigned int> &planeSizes, + std::vector<std::unique_ptr<FrameBuffer>> *buffers); + private: + std::unique_ptr<FrameBuffer> createBuffer( + std::string name, const std::vector<unsigned int> &planeSizes); + UniqueFD allocFromHeap(const char *name, std::size_t size); UniqueFD allocFromUDmaBuf(const char *name, std::size_t size); UniqueFD providerHandle_; |