Function copy_buffer_data

libavutil/hwcontext_vulkan.c:4302–4343

}

static int copy_buffer_data(AVHWFramesContext *hwfc, AVBufferRef *buf,
                            AVFrame *swf, VkBufferImageCopy *region,
                            int planes, int upload)
{
    int err;
    VulkanDevicePriv *p = hwfc->device_ctx->hwctx;
    FFVkBuffer *vkbuf = (FFVkBuffer *)buf->data;

    if (upload) {
        for (int i = 0; i < planes; i++)
            av_image_copy_plane(vkbuf->mapped_mem + region[i].bufferOffset,
                                region[i].bufferRowLength,
                                swf->data[i],
                                swf->linesize[i],
                                swf->linesize[i],
                                region[i].imageExtent.height);

        err = ff_vk_flush_buffer(&p->vkctx, vkbuf, 0, VK_WHOLE_SIZE, 1);
        if (err != VK_SUCCESS) {
            av_log(hwfc, AV_LOG_ERROR, "Failed to flush buffer data: %s\n",
                   av_err2str(err));
            return AVERROR_EXTERNAL;
        }
    } else {
        err = ff_vk_flush_buffer(&p->vkctx, vkbuf, 0, VK_WHOLE_SIZE, 0);
        if (err != VK_SUCCESS) {
            av_log(hwfc, AV_LOG_ERROR, "Failed to invalidate buffer data: %s\n",
                   av_err2str(err));
            return AVERROR_EXTERNAL;
        }

        for (int i = 0; i < planes; i++)
            av_image_copy_plane(swf->data[i],
                                swf->linesize[i],
                                vkbuf->mapped_mem + region[i].bufferOffset,
                                region[i].bufferRowLength,
                                swf->linesize[i],
                                region[i].imageExtent.height);
    }

    return 0;
}

static int get_plane_buf(AVHWFramesContext *hwfc, AVBufferRef **dst,
                         AVFrame *swf, VkBufferImageCopy *region, int upload)