数字人层级

shenrongliang

2025-04-16 fb8823b72d3b707cd16b8b372afac1e46aed412a

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

@@ -163,18 +163,18 @@
                        newFileName2 // 输出文件名
                );
            } else if ("2".equals(scene.getHasPerson())) {
                // 当没有人像时，将 substring1 置于底层
                // 当没有人像时，视频放在 cover 的下层
                builder = new ProcessBuilder(
                        "ffmpeg",
                        "-i", substring1, // 底层人像视频
                        "-i", cover1,     // 背景图
                        "-i", cover,      // PPT内容
                        "-i", cover1, // 背景图
                        "-i", substring1, // 视频
                        "-i", cover, // PPT内容
                        "-filter_complex",
                        "[0:v]scale=" + Math.round(scene.getBackground().getWidth()) + ":" + Math.round(scene.getBackground().getHeight()) + "[base];" +
                                "[1:v]scale=" + Math.round(scene.getBackground().getWidth()) + ":" + Math.round(scene.getBackground().getHeight()) + "[bg];" +
                                "[base][bg]overlay=x=0:y=0[img];" +
                                "[2:v]scale=" + Math.round(scene.getComponents().get(1).getWidth()) + ":" + Math.round(scene.getComponents().get(1).getHeight()) + "[v1];" +
                                "[img][v1]overlay=x=" + Math.round(scene.getComponents().get(1).getMarginLeft()) + ":y=" + Math.round(scene.getComponents().get(1).getTop()),
                        "[0:v]scale=" + Math.round(scene.getBackground().getWidth()) + ":" + Math.round(scene.getBackground().getHeight()) + "[bg];" +
                                "[1:v]scale=" + Math.round(scene.getComponents().get(0).getWidth()) + ":" + Math.round(scene.getComponents().get(0).getHeight()) + "[v1];" +
                                "[bg][v1]overlay=x=" + Math.round(scene.getComponents().get(0).getMarginLeft()) + ":y=" + Math.round(scene.getComponents().get(0).getTop()) + "[img];" +
                                "[2:v]scale=" + Math.round(scene.getComponents().get(1).getWidth()) + ":" + Math.round(scene.getComponents().get(1).getHeight()) + "[v2];" +
                                "[img][v2]overlay=x=" + Math.round(scene.getComponents().get(1).getMarginLeft()) + ":y=" + Math.round(scene.getComponents().get(1).getTop()),
                        newFileName2 // 输出文件名
                );
            }