新服务器的ffmpeg命令更新

byzs-module-infra/src/main/java/cn/iocoder/byzs/module/infra/framework/file/core/client/local/LocalFileClient.java

@@ -65,7 +65,7 @@ public class LocalFileClient extends AbstractFileClient<LocalFileClientConfig> {
             try {
                 // 构建FFmpeg命令，添加资源限制参数
                 ProcessBuilder processBuilder = new ProcessBuilder(
-                        "ffmpeg", "-i", pathMp4,
+                        "ffmpeg4", "-i", pathMp4,
                         "-c:v", "h264", "-c:a", "aac",
                         "-threads", "2", // 限制使用2个线程，根据需要调整
                         "-preset", "medium", // 编码预设