Function vulkan_encode_issue

libavcodec/vulkan_encode.c:141–444

}

static int vulkan_encode_issue(AVCodecContext *avctx,
                               FFHWBaseEncodePicture *base_pic)
{
    FFVulkanEncodeContext *ctx = avctx->priv_data;
    FFVulkanFunctions *vk = &ctx->s.vkfn;

    const size_t size_align = ctx->caps.minBitstreamBufferSizeAlignment;

    FFVulkanEncodePicture *vp = base_pic->priv;
    AVFrame *src = (AVFrame *)base_pic->input_image;
    AVVkFrame *vkf = (AVVkFrame *)src->data[0];

    int err, max_pkt_size;

    FFVkBuffer *sd_buf;

    int slot_index = -1;
    FFVkExecContext *exec;
    VkCommandBuffer cmd_buf;
    VkImageMemoryBarrier2 img_bar[37];
    int nb_img_bar = 0;

    /* Coding start/end */
    VkVideoBeginCodingInfoKHR encode_start;
    VkVideoEndCodingInfoKHR encode_end = {
        .sType = VK_STRUCTURE_TYPE_VIDEO_END_CODING_INFO_KHR,
    };

    VkVideoEncodeRateControlLayerInfoKHR rc_layer;
    VkVideoEncodeRateControlInfoKHR rc_info;
    VkVideoEncodeQualityLevelInfoKHR q_info;
    VkVideoCodingControlInfoKHR encode_ctrl;

    VkVideoReferenceSlotInfoKHR ref_slot[37];
    VkVideoEncodeInfoKHR encode_info;

    /* Create packet data buffer */
    max_pkt_size = FFALIGN(3 * ctx->base.surface_width * ctx->base.surface_height + (1 << 16),
                           ctx->caps.minBitstreamBufferSizeAlignment);

    err = ff_vk_get_pooled_buffer(&ctx->s, &ctx->buf_pool, &vp->pkt_buf,
                                  VK_BUFFER_USAGE_VIDEO_ENCODE_DST_BIT_KHR,
                                  &ctx->profile_list, max_pkt_size,
                                  VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
                                  ctx->s.host_cached_flag);
    if (err < 0)
        return err;

    sd_buf = (FFVkBuffer *)vp->pkt_buf->data;

    /* Setup rate control */
    err = init_pic_rc(avctx, base_pic, &rc_info, &rc_layer);
    if (err < 0)
        return err;

    q_info = (VkVideoEncodeQualityLevelInfoKHR) {
        .sType = VK_STRUCTURE_TYPE_VIDEO_ENCODE_QUALITY_LEVEL_INFO_KHR,
        .pNext = &rc_info,