Method MutableData

src/common/v4l2_frame_buffer.cpp:89–96

const void *V4L2FrameBuffer::Data() const { return data_ ? data_.get() : buffer_.start; }

uint8_t *V4L2FrameBuffer::MutableData() {
    if (!data_) {
        throw std::runtime_error(
            "MutableData() is not supported for frames directly created from V4L2 buffers. Use "
            "Clone() to create an owning (writable) copy before calling MutableData().");
    }
    return data_.get();
}

int V4L2FrameBuffer::GetDmaFd() const { return buffer_.dmafd; }