修改查询数字人类型，视频合成层级

shenrongliang

2025-05-26 e47692e7a147f98c298429a2eaa6a4085d6f795d

修改查询数字人类型，视频合成层级

 yudao-framework/yudao-spring-boot-starter-mybatis/src/main/java/cn/iocoder/yudao/framework/mybatis/core/query/LambdaQueryWrapperX.java

@@ -5,6 +5,7 @@
import cn.iocoder.yudao.framework.common.util.collection.ArrayUtils;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.support.SFunction;
import com.github.xiaoymin.knife4j.core.util.StrUtil;
import org.springframework.util.StringUtils;

import java.util.Collection;
@@ -40,8 +41,8 @@
    }

    public LambdaQueryWrapperX<T> eqIfPresent(SFunction<T, ?> column, Object val) {
        if (ObjectUtil.isNotEmpty(val)) {
            return (LambdaQueryWrapperX<T>) super.eq(column, val);
        if (val != null && !(val instanceof String && StrUtil.isBlank((String) val))) {
            this.eq(column, val);
        }
        return this;
    }

 yudao-module-digitalcourse/yudao-module-digitalcourse-biz/src/main/java/cn/iocoder/yudao/module/digitalcourse/service/coursemedia/CourseMediaServiceUtil.java

@@ -170,10 +170,10 @@
                // 当没有人像时，视频放在 cover 的下层
                builder = new ProcessBuilder(
                        "ffmpeg",
                        "-i", cover1, // 背景图 1
                        "-i", substring1, // 视频
                        "-i", cover1, // 背景图 2
                        "-i", cover, // PPT内容
                        "-i", cover1,     // 背景图 1
                        "-i", substring1, // 视频（含音频）
                        "-i", cover1,     // 背景图 2
                        "-i", cover,      // PPT 内容
                        "-filter_complex",
                        "[0:v]scale=" + Math.round(scene.getBackground().getWidth()) + ":" + Math.round(scene.getBackground().getHeight()) + "[bg1];" +
                                "[1:v]scale=" + Math.round(scene.getComponents().get(0).getWidth()) + ":" + Math.round(scene.getComponents().get(0).getHeight()) + "[v1];" +
@@ -181,8 +181,14 @@
                                "[2:v]scale=" + Math.round(scene.getBackground().getWidth()) + ":" + Math.round(scene.getBackground().getHeight()) + "[bg2];" +
                                "[img1][bg2]overlay=shortest=1[v2];" +
                                "[3:v]scale=" + Math.round(scene.getComponents().get(1).getWidth()) + ":" + Math.round(scene.getComponents().get(1).getHeight()) + "[v3];" +
                                "[v2][v3]overlay=x=" + Math.round(scene.getComponents().get(1).getMarginLeft()) + ":y=" + Math.round(scene.getComponents().get(1).getTop()),
                        newFileName2 // 输出文件名
                                "[v2][v3]overlay=x=" + Math.round(scene.getComponents().get(1).getMarginLeft()) + ":y=" + Math.round(scene.getComponents().get(1).getTop()) + "[outv]",
                        "-map", "[outv]",
                        "-map", "1:a?",   // 添加音频流（如果存在）
                        "-c:v", "libx264", // 视频编码格式（可选但推荐）
                        "-c:a", "aac",     // 音频编码格式（可选但推荐）
                        "-shortest",       // 让输出长度与最短流一致，避免黑屏或静音延长
                        "-y",              // 覆盖输出文件
                        newFileName2       // 输出文件名
                );
            }
            System.out.println(newFileName2);