OrangePi3588Media/include/hw/frame_buffer.h
2026-01-16 20:19:09 +08:00

51 lines
1.2 KiB
C++

#pragma once
#include <cstdint>
#include <memory>
#include <vector>
#include "utils/dma_alloc.h"
namespace rk3588 {
class FrameBuffer {
public:
struct Plane {
uint8_t* data = nullptr;
int stride = 0;
int size = 0;
int offset = 0;
};
FrameBuffer() = default;
FrameBuffer(int dma_fd, std::vector<Plane> planes, std::shared_ptr<void> owner = nullptr)
: dma_fd_(dma_fd), planes_(std::move(planes)), owner_(std::move(owner)) {}
int DmaFd() const { return dma_fd_; }
void SetDmaFd(int dma_fd) { dma_fd_ = dma_fd; }
const std::vector<Plane>& Planes() const { return planes_; }
void SetPlanes(std::vector<Plane> planes) { planes_ = std::move(planes); }
const std::shared_ptr<void>& Owner() const { return owner_; }
void SetOwner(std::shared_ptr<void> owner) { owner_ = std::move(owner); }
void SyncStart() const {
if (dma_fd_ >= 0) {
DmaSyncStartFd(dma_fd_);
}
}
void SyncEnd() const {
if (dma_fd_ >= 0) {
DmaSyncEndFd(dma_fd_);
}
}
private:
int dma_fd_ = -1;
std::vector<Plane> planes_{};
std::shared_ptr<void> owner_;
};
} // namespace rk3588