diff --git a/cargos/tvai-v2/Cargo.toml b/cargos/tvai-v2/Cargo.toml
index b1a61cf..4bd4ebb 100644
--- a/cargos/tvai-v2/Cargo.toml
+++ b/cargos/tvai-v2/Cargo.toml
@@ -70,3 +70,11 @@ path = "examples/quick_verify.rs"
 [[example]]
 name = "comprehensive_demo"
 path = "examples/comprehensive_demo.rs"
+
+[[example]]
+name = "test_4x_slowmo"
+path = "examples/test_4x_slowmo.rs"
+
+[[example]]
+name = "detailed_ffmpeg_analysis"
+path = "examples/detailed_ffmpeg_analysis.rs"
diff --git a/cargos/tvai-v2/examples/detailed_ffmpeg_analysis.rs b/cargos/tvai-v2/examples/detailed_ffmpeg_analysis.rs
new file mode 100644
index 0000000..150db1f
--- /dev/null
+++ b/cargos/tvai-v2/examples/detailed_ffmpeg_analysis.rs
@@ -0,0 +1,274 @@
+use tvai_sdk::TvaiSdk;
+use std::fs;
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    println!("🔍 详细 FFmpeg 命令分析");
+    println!("========================\n");
+
+    let sdk = TvaiSdk::new();
+
+    // 读取并分析 4x 慢动作模板
+    let template_content = fs::read_to_string("template/4x slow motion.json")?;
+    let template: tvai_sdk::Template = serde_json::from_str(&template_content)?;
+
+    println!("📋 模板信息:");
+    println!("  名称: {}", template.name);
+    println!("  描述: {}", template.description);
+    println!();
+
+    // 生成基本命令
+    let basic_command = sdk.generate_ffmpeg_command(&template, "input.mp4", "output.mp4")?;
+    println!("🔧 基本 FFmpeg 命令:");
+    println!("{}\n", basic_command);
+
+    // 详细分析命令结构
+    analyze_command_structure(&basic_command);
+
+    // 测试不同的输入输出组合
+    println!("\n📊 不同场景测试:");
+    
+    let test_cases = [
+        ("30fps_video.mp4", "30fps_to_120fps.mp4", "30fps → 120fps (4x慢动作)"),
+        ("60fps_video.mp4", "60fps_to_240fps.mp4", "60fps → 240fps (4x慢动作)"),
+        ("24fps_film.mov", "24fps_to_96fps.mov", "24fps → 96fps (电影素材)"),
+        ("sports_1080p.mp4", "sports_slowmo_4k.mp4", "体育视频慢动作"),
+    ];
+
+    for (input, output, description) in &test_cases {
+        println!("\n  📹 {}", description);
+        match sdk.generate_ffmpeg_command(&template, input, output) {
+            Ok(cmd) => {
+                println!("    ✓ 命令生成成功");
+                analyze_specific_aspects(&cmd, &template);
+            },
+            Err(e) => println!("    ✗ 命令生成失败: {}", e),
+        }
+    }
+
+    // 测试硬件加速版本
+    println!("\n🚀 硬件加速测试:");
+    test_hardware_acceleration(&sdk, &template);
+
+    // 分析潜在问题
+    println!("\n⚠️  潜在问题分析:");
+    analyze_potential_issues(&basic_command, &template);
+
+    // 提供优化建议
+    println!("\n💡 优化建议:");
+    provide_optimization_suggestions(&template);
+
+    Ok(())
+}
+
+fn analyze_command_structure(command: &str) {
+    println!("🏗️  命令结构分析:");
+    
+    let parts: Vec<&str> = command.split_whitespace().collect();
+    println!("  总参数数: {}", parts.len());
+    
+    // 分析各个部分
+    let mut i = 0;
+    while i < parts.len() {
+        match parts[i] {
+            "ffmpeg" => println!("  [{}] 可执行文件: {}", i, parts[i]),
+            "-i" => {
+                if i + 1 < parts.len() {
+                    println!("  [{}] 输入文件: {}", i, parts[i + 1]);
+                    i += 1;
+                }
+            },
+            "-vf" => {
+                if i + 1 < parts.len() {
+                    println!("  [{}] 视频滤镜: {}", i, parts[i + 1]);
+                    analyze_video_filter(parts[i + 1]);
+                    i += 1;
+                }
+            },
+            "-c:v" => {
+                if i + 1 < parts.len() {
+                    println!("  [{}] 视频编码器: {}", i, parts[i + 1]);
+                    i += 1;
+                }
+            },
+            "-c:a" => {
+                if i + 1 < parts.len() {
+                    println!("  [{}] 音频编码器: {}", i, parts[i + 1]);
+                    i += 1;
+                }
+            },
+            "-crf" => {
+                if i + 1 < parts.len() {
+                    println!("  [{}] 视频质量 (CRF): {}", i, parts[i + 1]);
+                    i += 1;
+                }
+            },
+            "-preset" => {
+                if i + 1 < parts.len() {
+                    println!("  [{}] 编码预设: {}", i, parts[i + 1]);
+                    i += 1;
+                }
+            },
+            "-b:a" => {
+                if i + 1 < parts.len() {
+                    println!("  [{}] 音频比特率: {}", i, parts[i + 1]);
+                    i += 1;
+                }
+            },
+            _ => {
+                if parts[i].starts_with('"') && parts[i].ends_with('"') {
+                    println!("  [{}] 输出文件: {}", i, parts[i]);
+                }
+            }
+        }
+        i += 1;
+    }
+}
+
+fn analyze_video_filter(filter: &str) {
+    println!("    🎛️  滤镜详细分析:");
+    
+    // 移除引号
+    let filter = filter.trim_matches('"');
+    
+    if filter.contains("tvai_fi") {
+        println!("      类型: TVAI 帧插值滤镜");
+        
+        // 解析参数
+        if let Some(params_part) = filter.split("tvai_fi=").nth(1) {
+            let params: Vec<&str> = params_part.split(':').collect();
+            for param in params {
+                if param.starts_with("model=") {
+                    let model = &param[6..];
+                    println!("      模型: {} ({})", model, get_model_description(model));
+                } else if param.starts_with("slowmo=") {
+                    let factor = &param[7..];
+                    println!("      慢动作倍数: {}x", factor);
+                } else if param.starts_with("rdt=") {
+                    let threshold = &param[4..];
+                    println!("      重复帧检测阈值: {}", threshold);
+                } else if param.starts_with("fps=") {
+                    let fps = &param[4..];
+                    println!("      目标帧率: {} fps", fps);
+                }
+            }
+        }
+    }
+}
+
+fn get_model_description(model: &str) -> &'static str {
+    match model {
+        "chr-2" => "Chronos v2 - 通用帧插值模型",
+        "apo-8" => "Apollo v8 - 高质量帧插值模型",
+        "chf-3" => "Chronos Fast v3 - 快速帧插值模型",
+        _ => "未知模型",
+    }
+}
+
+fn analyze_specific_aspects(command: &str, template: &tvai_sdk::Template) {
+    // 检查帧率处理
+    if !command.contains("fps=") && template.settings.output.out_fps == 0.0 {
+        println!("    ⚠️  未指定输出帧率，将依赖输入帧率 × 慢动作倍数");
+    }
+    
+    // 检查质量设置
+    if command.contains("-crf 23") {
+        println!("    ✓ 使用中等质量设置 (CRF 23)");
+    }
+    
+    // 检查编码器选择
+    if command.contains("libx264") {
+        println!("    ℹ️  使用软件 H.264 编码器 (兼容性好，速度较慢)");
+    }
+    
+    // 检查音频处理
+    if command.contains("-c:a aac") {
+        println!("    ✓ 使用 AAC 音频编码器 (广泛兼容)");
+    }
+}
+
+fn test_hardware_acceleration(sdk: &TvaiSdk, template: &tvai_sdk::Template) {
+    let hw_tests = [
+        ("windows", Some("nvidia"), "NVIDIA GPU"),
+        ("osx", Some("appleIntel"), "Apple VideoToolbox"),
+        ("windows", Some("amd"), "AMD GPU"),
+    ];
+
+    for (os, gpu, desc) in &hw_tests {
+        match sdk.ffmpeg_generator.generate_with_auto_encoder(template, "input.mp4", "output.mp4", os, *gpu) {
+            Ok(cmd) => {
+                println!("  ✓ {} 硬件加速:", desc);
+                if cmd.contains("nvenc") {
+                    println!("    使用 NVIDIA NVENC 编码器");
+                } else if cmd.contains("videotoolbox") {
+                    println!("    使用 Apple VideoToolbox 编码器");
+                } else if cmd.contains("amf") {
+                    println!("    使用 AMD AMF 编码器");
+                }
+            },
+            Err(e) => println!("  ✗ {} 硬件加速失败: {}", desc, e),
+        }
+    }
+}
+
+fn analyze_potential_issues(command: &str, template: &tvai_sdk::Template) {
+    let mut issues: Vec<&str> = Vec::new();
+    let mut warnings: Vec<&str> = Vec::new();
+
+    // 检查帧率问题
+    if template.settings.slow_motion.factor == 4.0 && !command.contains("fps=") {
+        warnings.push("4倍慢动作但未明确指定输出帧率，可能导致帧率不符合预期");
+    }
+
+    // 检查存储空间问题
+    if template.settings.slow_motion.factor >= 4.0 {
+        warnings.push("4倍慢动作会显著增加文件大小，请确保有足够存储空间");
+    }
+
+    // 检查性能问题
+    if command.contains("libx264") && !command.contains("preset fast") {
+        warnings.push("使用软件编码器且未设置快速预设，编码时间可能较长");
+    }
+
+    // 检查兼容性问题
+    if !command.contains("-pix_fmt") {
+        warnings.push("未明确指定像素格式，可能在某些播放器上出现兼容性问题");
+    }
+
+    // 输出结果
+    if issues.is_empty() && warnings.is_empty() {
+        println!("  ✅ 未发现明显问题");
+    } else {
+        for issue in issues {
+            println!("  ❌ 问题: {}", issue);
+        }
+        for warning in warnings {
+            println!("  ⚠️  警告: {}", warning);
+        }
+    }
+}
+
+fn provide_optimization_suggestions(template: &tvai_sdk::Template) {
+    println!("  🎯 针对 4倍慢动作的优化建议:");
+    
+    println!("  1. 帧率设置:");
+    println!("     - 建议明确设置输出帧率，如 30fps → 120fps");
+    println!("     - 避免过高的输出帧率以减少文件大小");
+    
+    println!("  2. 编码器选择:");
+    println!("     - 优先使用硬件编码器 (NVENC/VideoToolbox/AMF) 提升速度");
+    println!("     - 考虑使用 H.265 编码器减少文件大小");
+    
+    println!("  3. 质量设置:");
+    println!("     - 慢动作视频建议使用较高质量 (CRF 18-20)");
+    println!("     - 可以适当降低音频比特率节省空间");
+    
+    println!("  4. 性能优化:");
+    println!("     - 使用 SSD 存储提升 I/O 性能");
+    println!("     - 确保有足够内存处理高帧率视频");
+    
+    if template.settings.slow_motion.duplicate {
+        println!("  5. 重复帧处理:");
+        println!("     - 当前启用重复帧检测，有助于提升质量");
+        println!("     - 阈值设置为 {} (推荐范围: 5-15)", template.settings.slow_motion.duplicate_threshold);
+    }
+}
diff --git a/cargos/tvai-v2/examples/test_4x_slowmo.rs b/cargos/tvai-v2/examples/test_4x_slowmo.rs
new file mode 100644
index 0000000..3b43f35
--- /dev/null
+++ b/cargos/tvai-v2/examples/test_4x_slowmo.rs
@@ -0,0 +1,250 @@
+use tvai_sdk::TvaiSdk;
+use std::fs;
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    println!("🎬 测试 4倍慢动作模板转换为 FFmpeg 命令");
+    println!("==========================================\n");
+
+    // 创建 SDK 实例
+    let sdk = TvaiSdk::new();
+
+    // 读取模板文件
+    let template_path = "template/4x slow motion.json";
+    println!("📁 读取模板文件: {}", template_path);
+    
+    let template_content = fs::read_to_string(template_path)
+        .map_err(|e| format!("无法读取模板文件: {}", e))?;
+    
+    // 解析模板
+    let template: tvai_sdk::Template = serde_json::from_str(&template_content)
+        .map_err(|e| format!("解析模板失败: {}", e))?;
+    
+    println!("✓ 模板解析成功");
+    println!("  名称: {}", template.name);
+    println!("  描述: {}", template.description);
+    println!("  作者: {}", template.author);
+    println!();
+
+    // 分析模板设置
+    println!("🔍 模板设置分析:");
+    let settings = &template.settings;
+    
+    println!("  增强 (enhance): {}", if settings.enhance.active { "启用" } else { "禁用" });
+    if settings.enhance.active {
+        println!("    模型: {}", settings.enhance.model);
+    }
+    
+    println!("  慢动作 (slowmo): {}", if settings.slow_motion.active { "启用" } else { "禁用" });
+    if settings.slow_motion.active {
+        println!("    模型: {}", settings.slow_motion.model);
+        println!("    倍数: {}x", settings.slow_motion.factor);
+        println!("    重复帧检测: {}", settings.slow_motion.duplicate);
+        println!("    重复帧阈值: {}", settings.slow_motion.duplicate_threshold);
+    }
+    
+    println!("  稳定化 (stabilize): {}", if settings.stabilize.active { "启用" } else { "禁用" });
+    println!("  运动模糊 (motionblur): {}", if settings.motion_blur.active { "启用" } else { "禁用" });
+    println!("  颗粒 (grain): {}", if settings.grain.active { "启用" } else { "禁用" });
+    
+    println!("  输出设置 (output): {}", if settings.output.active { "启用" } else { "禁用" });
+    if settings.output.active {
+        println!("    尺寸方法: {}", settings.output.out_size_method);
+        println!("    输出FPS: {}", settings.output.out_fps);
+        println!("    裁剪适应: {}", settings.output.crop_to_fit);
+    }
+    println!();
+
+    // 验证模板
+    println!("✅ 验证模板:");
+    match sdk.ffmpeg_generator.validate_template(&template) {
+        Ok(_) => println!("  ✓ 模板验证通过"),
+        Err(e) => {
+            println!("  ✗ 模板验证失败: {}", e);
+            return Err(e.into());
+        }
+    }
+    println!();
+
+    // 生成 FFmpeg 命令
+    println!("⚙️  生成 FFmpeg 命令:");
+    let input_file = "input_30fps.mp4";
+    let output_file = "output_4x_slowmo.mp4";
+    
+    let ffmpeg_command = sdk.generate_ffmpeg_command(&template, input_file, output_file)?;
+    
+    println!("  输入文件: {}", input_file);
+    println!("  输出文件: {}", output_file);
+    println!();
+    println!("📋 生成的 FFmpeg 命令:");
+    println!("{}", ffmpeg_command);
+    println!();
+
+    // 分析生成的命令
+    println!("🔍 命令分析:");
+    analyze_ffmpeg_command(&ffmpeg_command);
+    println!();
+
+    // 检查命令是否有问题
+    println!("🔧 命令检查:");
+    check_ffmpeg_command(&ffmpeg_command, &template);
+    println!();
+
+    // 测试不同的输出格式
+    println!("🎯 测试不同输出格式:");
+    let test_outputs = [
+        ("output_4x_slowmo.mp4", "MP4"),
+        ("output_4x_slowmo.mov", "MOV"),
+        ("output_4x_slowmo.mkv", "MKV"),
+    ];
+
+    for (output, format) in &test_outputs {
+        match sdk.generate_ffmpeg_command(&template, input_file, output) {
+            Ok(cmd) => {
+                println!("  ✓ {} 格式: 命令生成成功", format);
+                // 检查是否包含适当的编码器
+                if cmd.contains("-c:v") {
+                    println!("    包含视频编码器设置");
+                }
+                if cmd.contains("-c:a") {
+                    println!("    包含音频编码器设置");
+                }
+            },
+            Err(e) => println!("  ✗ {} 格式: {}", format, e),
+        }
+    }
+    println!();
+
+    // 测试自动编码器选择
+    println!("🚀 测试自动编码器选择:");
+    let platforms = [
+        ("windows", Some("nvidia"), "Windows + NVIDIA"),
+        ("osx", Some("appleIntel"), "macOS + Intel"),
+        ("linux", None, "Linux 软件编码"),
+    ];
+
+    for (os, gpu, desc) in &platforms {
+        match sdk.ffmpeg_generator.generate_with_auto_encoder(&template, input_file, output_file, os, *gpu) {
+            Ok(_) => println!("  ✓ {}: 自动编码器选择成功", desc),
+            Err(e) => println!("  ✗ {}: {}", desc, e),
+        }
+    }
+
+    println!("\n🎉 测试完成！");
+    Ok(())
+}
+
+fn analyze_ffmpeg_command(command: &str) {
+    let parts: Vec<&str> = command.split_whitespace().collect();
+    
+    println!("  命令长度: {} 字符", command.len());
+    println!("  参数数量: {} 个", parts.len());
+    
+    // 检查关键组件
+    if command.contains("ffmpeg") {
+        println!("  ✓ 包含 ffmpeg 可执行文件");
+    }
+    
+    if command.contains("-i") {
+        println!("  ✓ 包含输入文件参数");
+    }
+    
+    if command.contains("tvai_fi") {
+        println!("  ✓ 包含 TVAI 帧插值滤镜");
+        
+        // 分析帧插值参数
+        if let Some(fi_part) = command.split("tvai_fi=").nth(1) {
+            if let Some(params) = fi_part.split_whitespace().next() {
+                println!("    帧插值参数: {}", params);
+                
+                if params.contains("model=") {
+                    println!("    ✓ 包含模型参数");
+                }
+                if params.contains("slowmo=") {
+                    println!("    ✓ 包含慢动作倍数参数");
+                }
+                if params.contains("rdt=") {
+                    println!("    ✓ 包含重复帧检测参数");
+                }
+            }
+        }
+    }
+    
+    if command.contains("-c:v") {
+        println!("  ✓ 包含视频编码器设置");
+    }
+    
+    if command.contains("-c:a") {
+        println!("  ✓ 包含音频编码器设置");
+    }
+}
+
+fn check_ffmpeg_command(command: &str, template: &tvai_sdk::Template) {
+    let mut issues = Vec::new();
+    let mut warnings = Vec::new();
+    
+    // 检查基本结构
+    if !command.starts_with("ffmpeg") {
+        issues.push("命令不以 'ffmpeg' 开头");
+    }
+    
+    if !command.contains("-i") {
+        issues.push("缺少输入文件参数 (-i)");
+    }
+    
+    // 检查慢动作设置
+    if template.settings.slow_motion.active {
+        if !command.contains("tvai_fi") {
+            issues.push("启用了慢动作但缺少 tvai_fi 滤镜");
+        } else {
+            // 检查慢动作参数
+            if !command.contains("slowmo=4") {
+                warnings.push("慢动作倍数可能不正确，期望 4x");
+            }
+            
+            if !command.contains("model=chr-2") {
+                warnings.push("模型映射可能不正确，apo-8 应该映射到 chr-2");
+            }
+        }
+    }
+    
+    // 检查输出设置
+    if template.settings.output.active {
+        if template.settings.output.out_fps == 0.0 {
+            warnings.push("输出FPS为0，可能需要设置目标帧率");
+        }
+    }
+    
+    // 检查编码器设置
+    if !command.contains("-c:v") {
+        warnings.push("没有明确指定视频编码器");
+    }
+    
+    if !command.contains("-c:a") {
+        warnings.push("没有明确指定音频编码器");
+    }
+    
+    // 检查滤镜链
+    let filter_count = command.matches("-vf").count();
+    if filter_count > 1 {
+        issues.push("存在多个 -vf 参数，可能导致滤镜冲突");
+    }
+    
+    // 输出结果
+    if issues.is_empty() && warnings.is_empty() {
+        println!("  ✅ 命令检查通过，未发现问题");
+    } else {
+        if !issues.is_empty() {
+            println!("  ❌ 发现严重问题:");
+            for issue in &issues {
+                println!("    - {}", issue);
+            }
+        }
+        
+        if !warnings.is_empty() {
+            println!("  ⚠️  发现警告:");
+            for warning in &warnings {
+                println!("    - {}", warning);
+            }
+        }
+    }
+}
diff --git a/cargos/tvai-v2/src/template.rs b/cargos/tvai-v2/src/template.rs
index ec9bfe0..0c3db4a 100644
--- a/cargos/tvai-v2/src/template.rs
+++ b/cargos/tvai-v2/src/template.rs
@@ -252,6 +252,115 @@ pub struct OutputSettings {
     /// Custom FFmpeg parameters
     #[serde(skip_serializing_if = "Option::is_none")]
     pub custom_params: Option<Vec<String>>,
+
+    // NVENC-specific parameters
+    /// NVENC tune setting (e.g., "hq", "ll", "ull", "lossless")
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub nvenc_tune: Option<String>,
+    /// Rate control mode (e.g., "constqp", "vbr", "cbr", "vbr_hq")
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub rate_control: Option<String>,
+    /// Quantization parameter for constant QP mode (0-51)
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub qp: Option<i32>,
+    /// Rate control lookahead frames
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub rc_lookahead: Option<i32>,
+    /// Spatial adaptive quantization (0=disabled, 1=enabled)
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub spatial_aq: Option<i32>,
+    /// AQ strength (1-15, higher = more aggressive)
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub aq_strength: Option<i32>,
+
+    // Scaling and filtering parameters
+    /// Software scaling flags for libswscale
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub sws_flags: Option<String>,
+
+    // Frame rate and timing parameters
+    /// Frame rate mode (e.g., "passthrough", "cfr", "vfr")
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub fps_mode: Option<String>,
+
+    // MP4 container specific parameters
+    /// MP4 movflags for fragmentation and metadata
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub movflags: Option<String>,
+
+    // Input/Output timing parameters
+    /// Start time offset in seconds
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub start_time: Option<f64>,
+    /// Duration limit in seconds
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub duration: Option<f64>,
+
+    // Stream mapping and metadata
+    /// Whether to copy metadata from input
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub copy_metadata: Option<bool>,
+    /// Whether to disable audio output
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub no_audio: Option<bool>,
+    /// Whether to hide FFmpeg banner
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub hide_banner: Option<bool>,
+
+    // Filter complex and enhancement parameters
+    /// Complex filter graph for video processing
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub filter_complex: Option<String>,
+    /// Custom metadata to add to output
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub metadata: Option<Vec<(String, String)>>,
+
+    // TVAI-specific enhancement parameters
+    /// TVAI enhancement model (e.g., "prob-4", "gaia-1", "artemis-1")
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub tvai_model: Option<String>,
+    /// TVAI scale factor (0 = auto)
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub tvai_scale: Option<i32>,
+    /// TVAI target width
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub tvai_width: Option<i32>,
+    /// TVAI target height
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub tvai_height: Option<i32>,
+    /// TVAI preblur setting
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub tvai_preblur: Option<i32>,
+    /// TVAI noise reduction
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub tvai_noise: Option<i32>,
+    /// TVAI detail enhancement
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub tvai_details: Option<i32>,
+    /// TVAI halo reduction
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub tvai_halo: Option<i32>,
+    /// TVAI blur reduction
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub tvai_blur: Option<i32>,
+    /// TVAI compression artifact reduction
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub tvai_compression: Option<i32>,
+    /// TVAI estimation setting
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub tvai_estimate: Option<i32>,
+    /// TVAI blend factor
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub tvai_blend: Option<f64>,
+    /// TVAI device selection (-2 = auto, -1 = CPU, 0+ = GPU index)
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub tvai_device: Option<i32>,
+    /// TVAI VRAM usage (0 = low, 1 = high)
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub tvai_vram: Option<i32>,
+    /// TVAI instances count
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub tvai_instances: Option<i32>,
 }
 
 /// Filter manager settings (for newer template versions)
@@ -682,6 +791,77 @@ impl OutputSettings {
             self.audio_codec = Some("aac".to_string());
         }
 
+        // Validate NVENC parameters
+        if let Some(qp) = self.qp {
+            if qp < 0 || qp > 51 {
+                self.qp = Some(qp.clamp(0, 51));
+            }
+        }
+
+        if let Some(rc_lookahead) = self.rc_lookahead {
+            if rc_lookahead < 0 || rc_lookahead > 32 {
+                self.rc_lookahead = Some(rc_lookahead.clamp(0, 32));
+            }
+        }
+
+        if let Some(spatial_aq) = self.spatial_aq {
+            if spatial_aq < 0 || spatial_aq > 1 {
+                self.spatial_aq = Some(spatial_aq.clamp(0, 1));
+            }
+        }
+
+        if let Some(aq_strength) = self.aq_strength {
+            if aq_strength < 1 || aq_strength > 15 {
+                self.aq_strength = Some(aq_strength.clamp(1, 15));
+            }
+        }
+
+        // Validate timing parameters
+        if let Some(start_time) = self.start_time {
+            if start_time < 0.0 {
+                self.start_time = Some(0.0);
+            }
+        }
+
+        if let Some(duration) = self.duration {
+            if duration <= 0.0 {
+                return Err(TvaiError::ValidationError(format!("Invalid duration: {}", duration)));
+            }
+        }
+
+        // Set default values for new optional fields
+        if self.nvenc_tune.is_none() {
+            self.nvenc_tune = Some("hq".to_string());
+        }
+
+        if self.rate_control.is_none() {
+            self.rate_control = Some("constqp".to_string());
+        }
+
+        if self.sws_flags.is_none() {
+            self.sws_flags = Some("spline+accurate_rnd+full_chroma_int".to_string());
+        }
+
+        if self.fps_mode.is_none() {
+            self.fps_mode = Some("passthrough".to_string());
+        }
+
+        if self.movflags.is_none() {
+            self.movflags = Some("frag_keyframe+empty_moov+delay_moov+use_metadata_tags+write_colr".to_string());
+        }
+
+        if self.copy_metadata.is_none() {
+            self.copy_metadata = Some(true);
+        }
+
+        if self.no_audio.is_none() {
+            self.no_audio = Some(false);
+        }
+
+        if self.hide_banner.is_none() {
+            self.hide_banner = Some(true);
+        }
+
         Ok(())
     }
 
@@ -752,6 +932,32 @@ impl Default for OutputSettings {
             gpu_device: None,
             two_pass: Some(false),
             custom_params: None,
+
+            // NVENC defaults
+            nvenc_tune: Some("hq".to_string()),
+            rate_control: Some("constqp".to_string()),
+            qp: Some(18),
+            rc_lookahead: Some(20),
+            spatial_aq: Some(1),
+            aq_strength: Some(15),
+
+            // Scaling defaults
+            sws_flags: Some("spline+accurate_rnd+full_chroma_int".to_string()),
+
+            // Frame rate defaults
+            fps_mode: Some("passthrough".to_string()),
+
+            // MP4 defaults
+            movflags: Some("frag_keyframe+empty_moov+delay_moov+use_metadata_tags+write_colr".to_string()),
+
+            // Timing defaults
+            start_time: None,
+            duration: None,
+
+            // Metadata and audio defaults
+            copy_metadata: Some(true),
+            no_audio: Some(false),
+            hide_banner: Some(true),
         }
     }
 }