Function ff_vulkan_encode_create_session_params

libavcodec/vulkan_encode.c:1070–1102

}

int ff_vulkan_encode_create_session_params(AVCodecContext *avctx, FFVulkanEncodeContext *ctx,
                                           void *codec_params_pnext)
{
    VkResult ret;
    FFVulkanFunctions *vk = &ctx->s.vkfn;
    FFVulkanContext *s = &ctx->s;

    VkVideoEncodeQualityLevelInfoKHR q_info;
    VkVideoSessionParametersCreateInfoKHR session_params_create;

    q_info = (VkVideoEncodeQualityLevelInfoKHR) {
        .sType = VK_STRUCTURE_TYPE_VIDEO_ENCODE_QUALITY_LEVEL_INFO_KHR,
        .pNext = codec_params_pnext,
        .qualityLevel = ctx->opts.quality,
    };
    session_params_create = (VkVideoSessionParametersCreateInfoKHR) {
        .sType = VK_STRUCTURE_TYPE_VIDEO_SESSION_PARAMETERS_CREATE_INFO_KHR,
        .pNext = &q_info,
        .videoSession = ctx->common.session,
        .videoSessionParametersTemplate = VK_NULL_HANDLE,
    };

    /* Create session parameters */
    ret = vk->CreateVideoSessionParametersKHR(s->hwctx->act_dev, &session_params_create,
                                              s->hwctx->alloc, &ctx->session_params);
    if (ret != VK_SUCCESS) {
        av_log(avctx, AV_LOG_ERROR, "Unable to create Vulkan video session parameters: %s!\n",
               ff_vk_ret2str(ret));
        return AVERROR_EXTERNAL;
    }

    return 0;
}