feat&fix: 完善JPEGClient逻辑，前端新增编码器组件

server/src/Common/Image.cs

@@ -258,12 +258,12 @@ public class Image
     /// <summary>
     /// 将原始 JPEG 数据补全 JPEG 头部，生成完整的 JPEG 图片
     /// </summary>
-    /// <param name="jpegData">原始 JPEG 数据（可能缺少完整头部）</param>
+    /// <param name="jpegData">原始 JPEG 扫描数据（不含头尾）</param>
     /// <param name="width">图像宽度</param>
     /// <param name="height">图像高度</param>
-    /// <param name="quality">JPEG质量（1-100，默认80）</param>
+    /// <param name="quantizationTable">量化表数组（Y0-Y63, Cb0-Cb63, Cr0-Cr63，共192个值）</param>
     /// <returns>完整的 JPEG 图片数据</returns>
-    public static Result<byte[]> CompleteJpegData(byte[] jpegData, int width, int height, int quality = 80)
+    public static Result<byte[]> CompleteJpegData(byte[] jpegData, int width, int height, uint[] quantizationTable)
     {
         if (jpegData == null)
             return new(new ArgumentNullException(nameof(jpegData)));
@@ -271,95 +271,148 @@ public class Image
         if (width <= 0 || height <= 0)
             return new(new ArgumentException("Width and height must be positive"));
 
-        if (quality < 1 || quality > 100)
+        if (quantizationTable == null || quantizationTable.Length != 192)
-            return new(new ArgumentException("Quality must be between 1 and 100"));
+            return new(new ArgumentException("Quantization table must contain exactly 192 values (64 Y + 64 Cb + 64 Cr)"));
 
         try
         {
-            // 检查是否已经是完整的 JPEG 文件（以 FFD8 开头，FFD9 结尾）
+            var jpegBytes = new List<byte>();
-            if (jpegData.Length >= 4 &&
+
-                jpegData[0] == 0xFF && jpegData[1] == 0xD8 &&
+            // SOI (Start of Image)
-                jpegData[jpegData.Length - 2] == 0xFF && jpegData[jpegData.Length - 1] == 0xD9)
+            jpegBytes.AddRange(new byte[] { 0xFF, 0xD8 });
+
+            // APP0 段
+            jpegBytes.AddRange(new byte[] { 
+                0xFF, 0xE0,  // APP0 marker
+                0x00, 0x10,  // Length (16 bytes)
+                0x4A, 0x46, 0x49, 0x46, 0x00,  // "JFIF\0"
+                0x01, 0x01,  // Version 1.1
+                0x00,        // Units: 0 = no units
+                0x00, 0x01,  // X density (1)
+                0x00, 0x01,  // Y density (1)
+                0x00,        // Thumbnail width
+                0x00         // Thumbnail height
+            });
+
+            // DQT (Define Quantization Table) - Y table
+            jpegBytes.AddRange(new byte[] { 0xFF, 0xDB }); // DQT marker
+            jpegBytes.AddRange(new byte[] { 0x00, 0x43 }); // Length (67 bytes)
+            jpegBytes.Add(0x00); // Table ID (0 = Y table)
+            
+            // 添加Y量化表 (quantizationTable[0-63])
+            for (int i = 0; i < 64; i++)
             {
-                // 已经是完整的 JPEG 文件，直接返回
+                jpegBytes.Add((byte)Math.Min(255, quantizationTable[i]));
-                return jpegData;
             }
 
-            // 创建一个临时的 RGB24 图像用于生成 JPEG 头部
+            // DQT (Define Quantization Table) - CbCr table
-            using var tempImage = new SixLabors.ImageSharp.Image<Rgb24>(new Configuration
+            jpegBytes.AddRange(new byte[] { 0xFF, 0xDB }); // DQT marker
+            jpegBytes.AddRange(new byte[] { 0x00, 0x43 }); // Length (67 bytes)
+            jpegBytes.Add(0x01); // Table ID (1 = CbCr table)
+            
+            // 添加Cb量化表 (quantizationTable[64-127])，但这里使用Cr表的数据作为CbCr共用
+            for (int i = 128; i < 192; i++) // 使用Cr量化表 (quantizationTable[128-191])
             {
-
+                jpegBytes.Add((byte)Math.Min(255, quantizationTable[i]));
-            }, width, height);
-
-            // 填充临时图像（使用简单的渐变色作为占位符）
-            for (int y = 0; y < height; y++)
-            {
-                for (int x = 0; x < width; x++)
-                {
-                    tempImage[x, y] = new Rgb24((byte)(x % 256), (byte)(y % 256), 128);
-                }
             }
 
-            using var stream = new MemoryStream();
+            // SOF0 (Start of Frame)
-            tempImage.SaveAsJpeg(stream, new JpegEncoder { Quality = quality });
+            jpegBytes.AddRange(new byte[] { 
-            var completeJpeg = stream.ToArray();
+                0xFF, 0xC0,  // SOF0 marker
+                0x00, 0x11,  // Length (17 bytes)
+                0x08,        // Precision (8 bits)
+                (byte)((height >> 8) & 0xFF), (byte)(height & 0xFF),  // Height
+                (byte)((width >> 8) & 0xFF), (byte)(width & 0xFF),   // Width
+                0x03,        // Number of components
+                0x01, 0x11, 0x00,  // Y component
+                0x02, 0x11, 0x01,  // Cb component
+                0x03, 0x11, 0x01   // Cr component
+            });
 
-            // 如果原始数据看起来是 JPEG 扫描数据，尝试替换扫描数据部分
+            // DHT (Define Huffman Table) - DC Y table
-            if (jpegData.Length > 0)
+            jpegBytes.AddRange(new byte[] { 
-            {
+                0xFF, 0xC4,  // DHT marker
-                // 查找 JPEG 扫描数据开始位置（SOS 标记 0xFFDA 后）
+                0x00, 0x1F,  // Length
-                int sosIndex = -1;
+                0x00,        // Table class and ID (DC table 0)
-                for (int i = 0; i < completeJpeg.Length - 1; i++)
+                // DC Y Huffman table
-                {
+                0x00, 0x03, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
-                    if (completeJpeg[i] == 0xFF && completeJpeg[i + 1] == 0xDA)
+                0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B
-                    {
+            });
-                        // 跳过 SOS 段头部，找到实际扫描数据开始位置
-                        i += 2; // 跳过 FF DA
-                        if (i < completeJpeg.Length - 1)
-                        {
-                            int segmentLength = (completeJpeg[i] << 8) | completeJpeg[i + 1];
-                            sosIndex = i + segmentLength;
-                            break;
-                        }
-                    }
-                }
 
-                // 查找 EOI 标记位置（0xFFD9）
+            // DHT (Define Huffman Table) - AC Y table (简化版)
-                int eoiIndex = -1;
+            jpegBytes.AddRange(new byte[] { 
-                for (int i = completeJpeg.Length - 2; i >= 0; i--)
+                0xFF, 0xC4,  // DHT marker
-                {
+                0x00, 0xB5,  // Length
-                    if (completeJpeg[i] == 0xFF && completeJpeg[i + 1] == 0xD9)
+                0x10         // Table class and ID (AC table 0)
-                    {
+            });
-                        eoiIndex = i;
+            
-                        break;
+            // AC Y Huffman table数据
-                    }
+            jpegBytes.AddRange(new byte[] {
-                }
+                0x00, 0x02, 0x01, 0x03, 0x03, 0x02, 0x04, 0x03, 0x05, 0x05, 0x04, 0x04, 0x00, 0x00, 0x01, 0x7D,
+                0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, 0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07,
+                0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xA1, 0x08, 0x23, 0x42, 0xB1, 0xC1, 0x15, 0x52, 0xD1, 0xF0,
+                0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0A, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x25, 0x26, 0x27, 0x28,
+                0x29, 0x2A, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49,
+                0x4A, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69,
+                0x6A, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
+                0x8A, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7,
+                0xA8, 0xA9, 0xAA, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xC2, 0xC3, 0xC4, 0xC5,
+                0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xE1, 0xE2,
+                0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8,
+                0xF9, 0xFA
+            });
 
-                if (sosIndex > 0 && eoiIndex > sosIndex)
+            // DHT (Define Huffman Table) - DC CbCr table
-                {
+            jpegBytes.AddRange(new byte[] { 
-                    // 替换扫描数据部分
+                0xFF, 0xC4,  // DHT marker
-                    var headerLength = sosIndex;
+                0x00, 0x1F,  // Length
-                    var footerStart = eoiIndex;
+                0x01,        // Table class and ID (DC table 1)
-                    var footerLength = completeJpeg.Length - footerStart;
+                // DC CbCr Huffman table
+                0x00, 0x03, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
+                0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B
+            });
 
-                    var newJpegLength = headerLength + jpegData.Length + footerLength;
+            // DHT (Define Huffman Table) - AC CbCr table
-                    var newJpegData = new byte[newJpegLength];
+            jpegBytes.AddRange(new byte[] { 
+                0xFF, 0xC4,  // DHT marker
+                0x00, 0xB5,  // Length
+                0x11         // Table class and ID (AC table 1)
+            });
+            
+            // AC CbCr Huffman table数据（与AC Y table相同）
+            jpegBytes.AddRange(new byte[] {
+                0x00, 0x02, 0x01, 0x03, 0x03, 0x02, 0x04, 0x03, 0x05, 0x05, 0x04, 0x04, 0x00, 0x00, 0x01, 0x7D,
+                0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, 0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07,
+                0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xA1, 0x08, 0x23, 0x42, 0xB1, 0xC1, 0x15, 0x52, 0xD1, 0xF0,
+                0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0A, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x25, 0x26, 0x27, 0x28,
+                0x29, 0x2A, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49,
+                0x4A, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69,
+                0x6A, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
+                0x8A, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7,
+                0xA8, 0xA9, 0xAA, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xC2, 0xC3, 0xC4, 0xC5,
+                0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xE1, 0xE2,
+                0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8,
+                0xF9, 0xFA
+            });
 
-                    // 复制头部
+            // SOS (Start of Scan)
-                    Array.Copy(completeJpeg, 0, newJpegData, 0, headerLength);
+            jpegBytes.AddRange(new byte[] { 
+                0xFF, 0xDA,  // SOS marker
+                0x00, 0x0C,  // Length (12 bytes)
+                0x03,        // Number of components
+                0x01, 0x00,  // Y component, DC/AC table
+                0x02, 0x11,  // Cb component, DC/AC table
+                0x03, 0x11,  // Cr component, DC/AC table
+                0x00, 0x3F, 0x00  // Start of spectral, End of spectral, Ah/Al
+            });
 
-                    // 复制原始扫描数据
+            // 添加原始 JPEG 扫描数据
-                    Array.Copy(jpegData, 0, newJpegData, headerLength, jpegData.Length);
+            jpegBytes.AddRange(jpegData);
 
-                    // 复制尾部
+            // EOI (End of Image)
-                    Array.Copy(completeJpeg, footerStart, newJpegData, headerLength + jpegData.Length, footerLength);
+            jpegBytes.AddRange(new byte[] { 0xFF, 0xD9 });
 
-                    return newJpegData;
+            return jpegBytes.ToArray();
-                }
-            }
-
-            // 如果无法智能合并，返回完整的模板 JPEG
-            return completeJpeg;
         }
         catch (Exception ex)
         {

server/src/Peripherals/JpegClient.cs

@@ -6,7 +6,7 @@ namespace Peripherals.JpegClient;
 
 static class JpegAddr
 {
-    const UInt32 BASE = 0x0000_0000;
+    const UInt32 BASE = 0xA000_0000;
 
     public const UInt32 CAPTURE_RD_CTRL = BASE + 0x0;
     public const UInt32 CAPTURE_WR_CTRL = BASE + 0x1;
@@ -26,9 +26,11 @@ static class JpegAddr
     public const UInt32 JPEG_FRAME_SAVE_NUM = BASE + 0xC;
     public const UInt32 JPEG_FIFO_FRAME_INFO = BASE + 0xD;
 
-    public const UInt32 ADDR_HDMI_WD_START = 0x4000_0000;
+    public const UInt32 JPEG_QUANTIZATION_TABLE = BASE + 0x100;
-    public const UInt32 ADDR_JPEG_START = 0x8000_0000;
+
-    public const UInt32 ADDR_JPEG_END = 0xA000_0000;
+    public const UInt32 ADDR_HDMI_WD_START = 0x0400_0000;
+    public const UInt32 ADDR_JPEG_START = 0x0800_0000;
+    public const UInt32 ADDR_JPEG_END = 0x09FF_FFFF;
 }
 
 public class JpegInfo
@@ -142,23 +144,33 @@ public class Jpeg
         else return true;
     }
 
-    public async ValueTask<bool> SetEnable(bool enable)
+    public async ValueTask<Result<bool>> SetEnable(bool enable)
     {
         if (enable)
         {
-            var ret = await UDPClientPool.WriteAddrSeq(
-                this.ep,
-                this.taskID,
-                [JpegAddr.CAPTURE_RD_CTRL, JpegAddr.CAPTURE_WR_CTRL],
-                [0b11, 0b01],
-                this.timeout
-            );
-            if (!ret.IsSuccessful)
             {
-                logger.Error($"Failed to set JPEG enable: {ret.Error}");
+                var ret = await UDPClientPool.WriteAddrSeq(
-                return false;
+                    this.ep,
+                    this.taskID,
+                    [JpegAddr.CAPTURE_RD_CTRL, JpegAddr.CAPTURE_WR_CTRL],
+                    [0b11, 0b01],
+                    this.timeout
+                );
+                if (!ret.IsSuccessful)
+                {
+                    logger.Error($"Failed to set JPEG enable: {ret.Error}");
+                    return ret.Value;
+                }
             }
-            return ret.Value;
+            {
+                var ret = await AddFrameNum2Process(1);
+                if (!ret)
+                {
+                    logger.Error($"Failed to AddFrameNum2Process: {ret}");
+                    return ret.Value;
+                }
+            }
+            return true;
         }
         else
         {
@@ -181,7 +193,7 @@ public class Jpeg
     public async ValueTask<Result<bool>> CheckHdmiIsReady()
     {
         var ret = await UDPClientPool.ReadAddrWithWait(
-            this.ep, this.taskID, JpegAddr.HDMI_NOT_READY, 0b01, 0b01, 100, this.timeout);
+            this.ep, this.taskID, JpegAddr.HDMI_NOT_READY, 0b00, 0b01, 100, this.timeout);
         if (!ret.IsSuccessful)
         {
             logger.Error($"Failed to check HDMI status: {ret.Error}");
@@ -192,8 +204,8 @@ public class Jpeg
 
     public async ValueTask<Result<(int, int)>> GetHdmiResolution()
     {
-        var ret = await UDPClientPool.ReadAddr(
+        var ret = await UDPClientPool.ReadAddrByte(
-            this.ep, this.taskID, JpegAddr.HDMI_HEIGHT_WIDTH, 0, this.timeout);
+            this.ep, this.taskID, JpegAddr.HDMI_HEIGHT_WIDTH, this.timeout);
         if (!ret.IsSuccessful)
         {
             logger.Error($"Failed to get HDMI resolution: {ret.Error}");
@@ -207,11 +219,13 @@ public class Jpeg
             return new(new Exception("Invalid HDMI resolution data length"));
         }
 
-        var width = data[0] | (data[1] << 8);
+        var width = data[3] | (data[2] << 8);
-        var height = data[2] | (data[3] << 8);
+        var height = data[1] | (data[0] << 8);
         this.Width = width;
         this.Height = height;
 
+        logger.Info($"HDMI resolution: {width}x{height}");
+
         return new((width, height));
     }
 
@@ -223,7 +237,22 @@ public class Jpeg
             return new(new ArgumentException("Invalid HDMI resolution"));
         }
 
-        var frameSize = (UInt32)(width * height / 4);
+        var frameSize = (UInt32)(width * height);
+
+        {
+            var ret = await UDPClientPool.WriteAddr(
+                this.ep, this.taskID, JpegAddr.JPEG_HEIGHT_WIDTH, (uint)((height << 16) + width), this.timeout);
+            if (!ret.IsSuccessful)
+            {
+                logger.Error($"Failed to set HDMI output start address: {ret.Error}");
+                return new(ret.Error);
+            }
+            if (!ret.Value)
+            {
+                logger.Error($"Failed to set HDMI output start address");
+                return false;
+            }
+        }
 
         {
             var ret = await UDPClientPool.WriteAddr(
@@ -243,7 +272,7 @@ public class Jpeg
         {
             var ret = await UDPClientPool.WriteAddr(
                 this.ep, this.taskID, JpegAddr.END_WR_ADDR0,
-                JpegAddr.ADDR_HDMI_WD_START + frameSize, this.timeout);
+                JpegAddr.ADDR_HDMI_WD_START + frameSize - 1, this.timeout);
             if (!ret.IsSuccessful)
             {
                 logger.Error($"Failed to set HDMI output end address: {ret.Error}");
@@ -274,7 +303,7 @@ public class Jpeg
         {
             var ret = await UDPClientPool.WriteAddr(
                 this.ep, this.taskID, JpegAddr.END_RD_ADDR0,
-                JpegAddr.ADDR_HDMI_WD_START + frameSize, this.timeout);
+                JpegAddr.ADDR_HDMI_WD_START + frameSize - 1, this.timeout);
             if (!ret.IsSuccessful)
             {
                 logger.Error($"Failed to set jpeg input end address: {ret.Error}");
@@ -339,14 +368,39 @@ public class Jpeg
 
     public async ValueTask<uint> GetFrameNumber()
     {
-        var ret = await UDPClientPool.ReadAddrByte(
+        const int maxAttempts = 10;
-            this.ep, this.taskID, JpegAddr.JPEG_FRAME_SAVE_NUM, this.timeout);
+        const int delayMs = 5;
-        if (!ret.IsSuccessful)
+        
+        for (int attempt = 0; attempt < maxAttempts; attempt++)
         {
-            logger.Error($"Failed to get JPEG frame number: {ret.Error}");
+            var ret = await UDPClientPool.ReadAddrByte(
-            return 0;
+                this.ep, this.taskID, JpegAddr.JPEG_FRAME_SAVE_NUM, this.timeout);
+            if (!ret.IsSuccessful)
+            {
+                logger.Error($"Failed to get JPEG frame number on attempt {attempt + 1}: {ret.Error}");
+                if (attempt < maxAttempts - 1)
+                {
+                    await Task.Delay(delayMs);
+                    continue;
+                }
+                return 0;
+            }
+            
+            var frameNumber = Number.BytesToUInt32(ret.Value.Options.Data ?? Array.Empty<byte>()).Value;
+            if (frameNumber != 0)
+            {
+                return frameNumber;
+            }
+            
+            // 如果不是最后一次尝试，等待5ms后重试
+            if (attempt < maxAttempts - 1)
+            {
+                await Task.Delay(delayMs);
+            }
         }
-        return Number.BytesToUInt32(ret.Value.Options.Data ?? Array.Empty<byte>()).Value;
+        
+        // 所有尝试都失败或返回0
+        return 0;
     }
 
     public async ValueTask<Optional<List<JpegInfo>>> GetFrameInfo(int num)
@@ -379,14 +433,14 @@ public class Jpeg
         return new(infos);
     }
 
-    public async ValueTask<bool> AddFrameNum2Process(uint cnt)
+    public async ValueTask<Result<bool>> AddFrameNum2Process(uint cnt)
     {
         var ret = await UDPClientPool.WriteAddr(
             this.ep, this.taskID, JpegAddr.JPEG_ADD_NEED_FRAME_NUM, cnt, this.timeout);
         if (!ret.IsSuccessful)
         {
             logger.Error($"Failed to update pointer: {ret.Error}");
-            return false;
+            return ret.Value;
         }
         return ret.Value;
     }
@@ -510,4 +564,45 @@ public class Jpeg
 
         return frames;
     }
+
+    public async ValueTask<Result<uint[]?>> GetQuantizationTable()
+    {
+        const int totalQuantValues = 8 * 8 * 3; // Y(64) + Cb(64) + Cr(64) = 192个量化值
+        const int bytesPerValue = 4; // 每个量化值32bit = 4字节
+        const int totalBytes = totalQuantValues * bytesPerValue; // 总共768字节
+
+        try
+        {
+            var ret = await UDPClientPool.ReadAddr4Bytes(
+                this.ep, this.taskID, JpegAddr.JPEG_QUANTIZATION_TABLE, totalBytes, this.timeout);
+            if (!ret.IsSuccessful)
+            {
+                logger.Error($"Failed to read JPEG quantization table: {ret.Error}");
+                return new(ret.Error);
+            }
+
+            var data = ret.Value;
+            if (data == null || data.Length != totalBytes)
+            {
+                logger.Error($"Invalid quantization table data length: expected {totalBytes}, got {data?.Length ?? 0}");
+                return new(new Exception("Invalid quantization table data length"));
+            }
+
+            var quantTable = new uint[totalQuantValues];
+            for (int i = 0; i < totalQuantValues; i++)
+            {
+                // 每32bit为一个量化值，按小端序读取
+                var offset = i * bytesPerValue;
+                quantTable[i] = (uint)(data[offset] | (data[offset + 1] << 8) | (data[offset + 2] << 16) | (data[offset + 3] << 24));
+            }
+
+            logger.Debug($"Successfully read JPEG quantization table with {totalQuantValues} values");
+            return quantTable;
+        }
+        catch (Exception ex)
+        {
+            logger.Error(ex, "Exception occurred while reading JPEG quantization table");
+            return new(ex);
+        }
+    }
 }

server/src/Services/HttpHdmiVideoStreamService.cs

@@ -235,7 +235,19 @@ public class HttpHdmiVideoStreamService : BackgroundService
             }
 
             var jpegData = frameResult.Value[0];
-            var jpegImage = Common.Image.CompleteJpegData(jpegData, client.Width, client.Height);
+            
+            var quantTableResult = await client.JpegClient.GetQuantizationTable();
+            if (!quantTableResult.IsSuccessful || quantTableResult.Value == null)
+            {
+                logger.Error("获取JPEG量化表失败: {Error}", quantTableResult.Error);
+                response.StatusCode = 500;
+                var errorBytes = System.Text.Encoding.UTF8.GetBytes("Failed to get quantization table");
+                await response.OutputStream.WriteAsync(errorBytes, 0, errorBytes.Length, cancellationToken);
+                response.Close();
+                return;
+            }
+            
+            var jpegImage = Common.Image.CompleteJpegData(jpegData, client.Width, client.Height, quantTableResult.Value);
             if (!jpegImage.IsSuccessful)
             {
                 logger.Error("JPEG数据补全失败");
@@ -280,6 +292,18 @@ public class HttpHdmiVideoStreamService : BackgroundService
 
             logger.Debug("开始HDMI MJPEG流传输");
 
+            var quantTableResult = await client.JpegClient.GetQuantizationTable();
+            if (!quantTableResult.IsSuccessful || quantTableResult.Value == null)
+            {
+                logger.Error("获取JPEG量化表失败: {Error}", quantTableResult.Error);
+                response.StatusCode = 500;
+                await response.OutputStream.WriteAsync(
+                    System.Text.Encoding.UTF8.GetBytes("Failed to get quantization table"), 0, 0, cancellationToken);
+                response.Close();
+                return;
+            }
+            var quantTable = quantTableResult.Value;
+
             int frameCounter = 0;
 
             while (!cancellationToken.IsCancellationRequested)
@@ -297,7 +321,7 @@ public class HttpHdmiVideoStreamService : BackgroundService
 
                 foreach (var framebytes in frameResult.Value)
                 {
-                    var jpegImage = Common.Image.CompleteJpegData(framebytes, client.Width, client.Height);
+                    var jpegImage = Common.Image.CompleteJpegData(framebytes, client.Width, client.Height, quantTable);
                     if (!jpegImage.IsSuccessful)
                     {
                         logger.Error("JPEG数据不完整");

src/components/LabCanvas/index.ts

@@ -29,6 +29,7 @@ export interface TemplateConfig {
 export const previewSizes: Record<string, number> = {
   MechanicalButton: 0.4,
   Switch: 0.35,
+  EC11RotaryEncoder: 0.4,
   Pin: 0.8,
   SMT_LED: 0.7,
   SevenSegmentDisplay: 0.4,
@@ -48,6 +49,7 @@ export const previewSizes: Record<string, number> = {
 export const availableComponents: ComponentConfig[] = [
   { type: "MechanicalButton", name: "机械按钮" },
   { type: "Switch", name: "开关" },
+  { type: "EC11RotaryEncoder", name: "EC11旋转编码器" },
   { type: "Pin", name: "引脚" },
   { type: "SMT_LED", name: "贴片LED" },
   { type: "SevenSegmentDisplay", name: "数码管" },

src/components/equipments/EC11RotaryEncoder.vue

@@ -0,0 +1,258 @@
+<template>
+  <div class="ec11-container" :style="{
+    width: width + 'px',
+    height: height + 'px',
+    position: 'relative',
+  }">
+    <svg xmlns="http://www.w3.org/2000/svg" :width="width" :height="height" viewBox="0 0 100 100"
+      class="ec11-encoder">
+      <defs>
+        <!-- 发光效果滤镜 -->
+        <filter id="glow" x="-50%" y="-50%" width="200%" height="200%">
+          <feFlood result="flood" flood-color="#00ff88" flood-opacity="1"></feFlood>
+          <feComposite in="flood" result="mask" in2="SourceGraphic" operator="in"></feComposite>
+          <feMorphology in="mask" result="dilated" operator="dilate" radius="1"></feMorphology>
+          <feGaussianBlur in="dilated" stdDeviation="2" result="blur1" />
+          <feGaussianBlur in="dilated" stdDeviation="4" result="blur2" />
+          <feGaussianBlur in="dilated" stdDeviation="8" result="blur3" />
+          <feMerge>
+            <feMergeNode in="blur3" />
+            <feMergeNode in="blur2" />
+            <feMergeNode in="blur1" />
+            <feMergeNode in="SourceGraphic" />
+          </feMerge>
+        </filter>
+        
+        <!-- 编码器主体渐变 -->
+        <radialGradient id="encoderGradient" cx="50%" cy="30%">
+          <stop offset="0%" stop-color="#666666" />
+          <stop offset="70%" stop-color="#333333" />
+          <stop offset="100%" stop-color="#1a1a1a" />
+        </radialGradient>
+        
+        <!-- 旋钮渐变 -->
+        <radialGradient id="knobGradient" cx="30%" cy="30%">
+          <stop offset="0%" stop-color="#555555" />
+          <stop offset="70%" stop-color="#222222" />
+          <stop offset="100%" stop-color="#111111" />
+        </radialGradient>
+        
+        <!-- 按下状态渐变 -->
+        <radialGradient id="knobPressedGradient" cx="50%" cy="50%">
+          <stop offset="0%" stop-color="#333333" />
+          <stop offset="70%" stop-color="#555555" />
+          <stop offset="100%" stop-color="#888888" />
+        </radialGradient>
+      </defs>
+      
+      <!-- 编码器底座 -->
+      <rect x="10" y="30" width="80" height="60" rx="8" ry="8" 
+            fill="#2a2a2a" stroke="#444444" stroke-width="1"/>
+      
+      <!-- 编码器主体外壳 -->
+      <circle cx="50" cy="60" r="32" fill="url(#encoderGradient)" stroke="#555555" stroke-width="1"/>
+      
+      <!-- 编码器接线端子 -->
+      <rect x="5" y="75" width="4" height="8" fill="#c9c9c9" rx="1"/>
+      <rect x="15" y="85" width="4" height="8" fill="#c9c9c9" rx="1"/>
+      <rect x="25" y="85" width="4" height="8" fill="#c9c9c9" rx="1"/>
+      <rect x="81" y="85" width="4" height="8" fill="#c9c9c9" rx="1"/>
+      <rect x="91" y="75" width="4" height="8" fill="#c9c9c9" rx="1"/>
+      
+      <!-- 旋钮 -->
+      <circle cx="50" cy="60" r="22" 
+              :fill="isPressed ? 'url(#knobPressedGradient)' : 'url(#knobGradient)'" 
+              stroke="#666666" stroke-width="1"
+              :transform="`rotate(${rotation/2} 50 60)`"
+              class="interactive"
+              @mousedown="handleMouseDown"
+              @mouseup="handlePress(false)"
+              @mouseleave="handlePress(false)"/>
+      
+      <!-- 旋钮指示器 -->
+      <line x1="50" y1="42" x2="50" y2="48" 
+            stroke="#ffffff" stroke-width="2" stroke-linecap="round"
+            :transform="`rotate(${rotation} 50 60)`"/>
+      
+      <!-- 旋钮上的纹理刻度 -->
+      <g :transform="`rotate(${rotation} 50 60)`">
+        <circle cx="50" cy="60" r="18" fill="none" stroke="#777777" stroke-width="0.5"/>
+        <!-- 刻度线 -->
+        <g v-for="i in 16" :key="i">
+          <line :x1="50 + 16 * Math.cos((i-1) * Math.PI / 8)" 
+                :y1="60 + 16 * Math.sin((i-1) * Math.PI / 8)"
+                :x2="50 + 18 * Math.cos((i-1) * Math.PI / 8)" 
+                :y2="60 + 18 * Math.sin((i-1) * Math.PI / 8)"
+                stroke="#999999" stroke-width="0.5"/>
+        </g>
+      </g>
+      
+      <!-- 编码器编号标签 -->
+      <text x="50" y="15" text-anchor="middle" font-family="Arial" font-size="10" 
+            fill="#cccccc" font-weight="bold">
+        EC11-{{ encoderNumber }}
+      </text>
+      
+      <!-- 状态指示器 -->
+      <circle cx="85" cy="20" r="3" :fill="isPressed ? '#ff4444' : '#444444'" 
+              :filter="isPressed ? 'url(#glow)' : ''" 
+              stroke="#666666" stroke-width="0.5"/>
+    </svg>
+  </div>
+</template>
+
+<script lang="ts" setup>
+import { ref, computed } from 'vue';
+
+interface Props {
+  size?: number;
+  encoderNumber?: number;
+}
+
+const props = withDefaults(defineProps<Props>(), {
+  size: 1,
+  encoderNumber: 1
+});
+
+// 组件状态
+const isPressed = ref(false);
+const rotation = ref(0);
+
+// 拖动状态
+const isDragging = ref(false);
+const dragStartX = ref(0);
+const lastTriggerX = ref(0);
+const dragThreshold = 20; // 每20像素触发一次旋转
+const hasRotated = ref(false); // 标记是否已经发生了旋转
+
+// 计算宽高
+const width = computed(() => 100 * props.size);
+const height = computed(() => 100 * props.size);
+
+// 定义发出的事件
+const emit = defineEmits(['press', 'release', 'rotate-left', 'rotate-right']);
+
+// 鼠标按下处理
+function handleMouseDown(event: MouseEvent) {
+  isDragging.value = true;
+  dragStartX.value = event.clientX;
+  lastTriggerX.value = event.clientX;
+  hasRotated.value = false; // 重置旋转标记
+  
+  // 添加全局鼠标事件监听
+  document.addEventListener('mousemove', handleMouseMove);
+  document.addEventListener('mouseup', handleMouseUp);
+}
+
+// 鼠标移动处理
+function handleMouseMove(event: MouseEvent) {
+  if (!isDragging.value) return;
+  
+  const currentX = event.clientX;
+  const deltaX = currentX - lastTriggerX.value;
+  
+  // 检查是否达到触发阈值
+  if (Math.abs(deltaX) >= dragThreshold) {
+    hasRotated.value = true; // 标记已经发生旋转
+    
+    if (deltaX > 0) {
+      // 右拖动 - 右旋转
+      rotation.value += 15;
+      emit('rotate-right', { 
+        encoderNumber: props.encoderNumber
+      });
+    } else {
+      // 左拖动 - 左旋转
+      rotation.value -= 15;
+      emit('rotate-left', { 
+        encoderNumber: props.encoderNumber
+      });
+    }
+    
+    // 更新最后触发位置
+    lastTriggerX.value = currentX;
+    
+    // 保持角度在0-360度范围内
+    rotation.value = rotation.value % 720;
+    if (rotation.value < 0) {
+      rotation.value += 720;
+    }
+  }
+}
+
+// 鼠标松开处理
+function handleMouseUp() {
+  isDragging.value = false;
+  
+  // 只有在没有发生旋转的情况下才识别为按压事件
+  if (!hasRotated.value) {
+    // 触发按压和释放事件（模拟快速按压）
+    handlePress(true);
+    // 使用setTimeout来模拟按压和释放的时序
+    setTimeout(() => {
+      handlePress(false);
+    }, 100);
+  }
+  
+  // 移除全局事件监听
+  document.removeEventListener('mousemove', handleMouseMove);
+  document.removeEventListener('mouseup', handleMouseUp);
+}
+
+// 按压处理
+function handlePress(pressed: boolean) {
+  if (pressed !== isPressed.value) {
+    isPressed.value = pressed;
+    if (pressed) {
+      emit('press', { encoderNumber: props.encoderNumber });
+    } else {
+      emit('release', { encoderNumber: props.encoderNumber });
+    }
+  }
+}
+
+// 暴露组件方法
+defineExpose({
+  press: () => handlePress(true),
+  release: () => handlePress(false),
+  rotateLeft: () => {
+    rotation.value -= 15;
+    emit('rotate-left', { 
+      encoderNumber: props.encoderNumber
+    });
+  },
+  rotateRight: () => {
+    rotation.value += 15;
+    emit('rotate-right', { 
+      encoderNumber: props.encoderNumber
+    });
+  },
+  isPressed: () => isPressed.value
+});
+</script>
+
+<script lang="ts">
+// 添加一个静态方法来获取默认props
+export function getDefaultProps() {
+  return {
+    size: 1,
+    encoderNumber: 1
+  };
+}
+</script>
+
+<style scoped lang="postcss">
+.ec11-container {
+  display: inline-block;
+  user-select: none;
+}
+
+.ec11-encoder {
+  display: block;
+  overflow: visible;
+}
+
+.interactive {
+  cursor: pointer;
+}
+</style>