Update Program.cs

修正处理文件名过长的逻辑

.github/workflows/build_latest.yml

@@ -0,0 +1,30 @@
+name: Build_Latest
+ 
+on: [push]
+ 
+jobs:
+  build:
+ 
+    runs-on: windows-latest
+ 
+    steps:
+    - uses: actions/checkout@v1
+      name: Checkout Code
+     
+    - name: Setup MSBuild Path
+      uses: warrenbuckley/Setup-MSBuild@v1
+       
+    - name: Setup NuGet
+      uses: NuGet/setup-nuget@v1.0.2
+     
+    - name: Restore NuGet Packages
+      run: nuget restore N_m3u8DL-CLI.sln
+ 
+    - name: Build 
+      run: msbuild N_m3u8DL-CLI.sln /p:Configuration=Release /p:DebugSymbols=false /p:DebugType=None
+ 
+    - name: Upload Artifact
+      uses: actions/upload-artifact@v1.0.0
+      with:
+        name: N_m3u8DL-CLI_latest
+        path: N_m3u8DL-CLI\bin\Release\

N_m3u8DL-CLI/CommandLineArgument.cs

@@ -2,6 +2,9 @@
 
 namespace N_m3u8DL_CLI
 {
+    /**
+     * https://www.cnblogs.com/linxuanchen/p/c-sharp-command-line-argument-parser.html
+     */
     public class CommandLineArgument
     {
         List<CommandLineArgument> _arguments;

N_m3u8DL-CLI/DecodeDdyun.cs

@@ -0,0 +1,41 @@
+using System.Security.Cryptography;
+using System.Text;
+using System.Text.RegularExpressions;
+
+namespace N_m3u8DL_CLI
+{
+    class DecodeDdyun
+    {
+        public static string DecryptM3u8(byte[] byteArray)
+        {
+            string tmp = DecodeNfmovies.DecryptM3u8(byteArray);
+            if (tmp.StartsWith("duoduo.key"))
+            {
+                tmp = Regex.Replace(tmp, @"#EXT-X-BYTERANGE:.*\s", "");
+                tmp = tmp.Replace("https:", "jump/https:")
+                    .Replace("inews.gtimg.com", "puui.qpic.cn");
+            }
+            return tmp;
+        }
+
+        //https://player.ddyunp.com/jQuery.min.js?v1.5
+        public static string GetVaildM3u8Url(string url)
+        {
+            //url: https://hls.ddyunp.com/ddyun/id/1/key/playlist.m3u8
+            string id = Regex.Match(url, @"\w{20,}").Value;
+            string tm = Global.GetTimeStamp(false);
+            string t = ((long.Parse(tm) / 0x186a0) * 0x64).ToString();
+            string tmp = id + "duoduo" + "1" + t;
+            MD5 md5 = MD5.Create();
+            byte[] bs = Encoding.UTF8.GetBytes(tmp);
+            byte[] hs = md5.ComputeHash(bs);
+            StringBuilder sb = new StringBuilder();
+            foreach (byte b in hs)
+            {
+                sb.Append(b.ToString("x2"));
+            }
+            string key = sb.ToString();
+            return Regex.Replace(url, @"1/\w{20,}", "1/" + key);
+        }
+    }
+}

N_m3u8DL-CLI/DecodeNfmovies.cs

@@ -0,0 +1,36 @@
+using System;
+using System.IO;
+using System.Linq;
+using System.Text;
+
+namespace N_m3u8DL_CLI
+{
+    class DecodeNfmovies
+    {
+        //https://jx.nfmovies.com/hls.min.js
+        public static string DecryptM3u8(byte[] byteArray)
+        {
+            var t = byteArray;
+            var decrypt = "";
+            if (137 == t[0] && 80 == t[1] && 130 == t[354] && 96 == t[353]) t = t.Skip(355).ToArray();
+            else
+            {
+                if (137 != t[0] || 80 != t[1] || 130 != t[394] || 96 != t[393])
+                {
+                    for (var i = 0; i < t.Length; i++) decrypt += Convert.ToChar(t[i]);
+                    return decrypt;
+                }
+                t = t.Skip(395).ToArray();
+            }
+            using (var zipStream =
+                new System.IO.Compression.GZipStream(new MemoryStream(t), System.IO.Compression.CompressionMode.Decompress))
+            {
+                using (StreamReader sr = new StreamReader(zipStream, Encoding.UTF8))
+                {
+                    decrypt = sr.ReadToEnd();
+                }
+            }
+            return decrypt;
+        }
+    }
+}

N_m3u8DL-CLI/DownloadManager.cs

@@ -192,7 +192,7 @@ namespace N_m3u8DL_CLI
                     if (sd.SegDur < 0) sd.SegDur = 0; //防止负数
                     sd.FileUrl = firstSeg["segUri"].Value<string>();
                     //VTT字幕
-                    if (isVTT == false && sd.FileUrl.Trim('\"').EndsWith(".vtt"))
+                    if (isVTT == false && (sd.FileUrl.Trim('\"').EndsWith(".vtt") || sd.FileUrl.Trim('\"').EndsWith(".webvtt")))
                         isVTT = true;
                     sd.Method = firstSeg["method"].Value<string>();
                     if (sd.Method != "NONE")
@@ -281,8 +281,8 @@ namespace N_m3u8DL_CLI
                             sd.SegDur = info["duration"].Value<double>();
                             if (sd.SegDur < 0) sd.SegDur = 0; //防止负数
                                 sd.FileUrl = info["segUri"].Value<string>();
-                                //VTT字幕
-                                if (isVTT == false && sd.FileUrl.Trim('\"').EndsWith(".vtt"))
+                            //VTT字幕
+                            if (isVTT == false && (sd.FileUrl.Trim('\"').EndsWith(".vtt") || sd.FileUrl.Trim('\"').EndsWith(".webvtt")))
                                 isVTT = true;
                             sd.Method = info["method"].Value<string>();
                             if (sd.Method != "NONE")
@@ -370,7 +370,7 @@ namespace N_m3u8DL_CLI
             }
             else  //开始合并
             {
-                LOGGER.PrintLine(strings.downloadComplete + (DisableIntegrityCheck ? "(" + strings.disableIntegrityCheck + ")" : ""));
+                LOGGER.PrintLine(strings.downloadComplete + (DisableIntegrityCheck ? "("+strings.disableIntegrityCheck+")" : ""));
                 Console.WriteLine();
                 if (NoMerge == false)
                 {
@@ -381,7 +381,10 @@ namespace N_m3u8DL_CLI
                     LOGGER.PrintLine(strings.startMerging, LOGGER.Warning);
                     //VTT字幕
                     if (isVTT == true)
+                    {
                         MuxFormat = "vtt";
+                        Global.ReAdjustVtt(Global.GetFiles(DownDir + "\\Part_0", ".ts"));
+                    }
                     //只有一个Part直接用ffmpeg合并
                     if (PartsCount == 1)
                     {
@@ -497,6 +500,9 @@ namespace N_m3u8DL_CLI
                             parser.Parse();  //开始解析
                             Thread.Sleep(1000);
                             LOGGER.CursorIndex = 5;
+                            Global.HadReadInfo = false;
+                            Global.VIDEO_TYPE = "";
+                            Global.AUDIO_TYPE = "";
                             DoDownload();
                         }
                         if (externalSub)  //下载独立字幕
@@ -509,16 +515,19 @@ namespace N_m3u8DL_CLI
                             parser.Headers = Headers; //继承Header
                             parser.BaseUrl = "";
                             parser.M3u8Url = externalSubUrl;
-                            parser.DownName = DownName + "(Subtitle)";
+                            parser.DownName = DownName.Replace("(Audio)", "") + "(Subtitle)";
                             parser.DownDir = Path.Combine(Path.GetDirectoryName(DownDir), parser.DownName);
                             LOGGER.WriteLine(strings.startParsing + externalSubUrl);
                             LOGGER.WriteLine(strings.downloadingExternalSubtitleTrack);
-                            DownName = DownName + "(Subtitle)";
+                            DownName = parser.DownName;
                             fflogName = "_ffreport(Subtitle).log";
                             DownDir = parser.DownDir;
                             parser.Parse();  //开始解析
                             Thread.Sleep(1000);
                             LOGGER.CursorIndex = 5;
+                            Global.HadReadInfo = false;
+                            Global.VIDEO_TYPE = "";
+                            Global.AUDIO_TYPE = "";
                             DoDownload();
                         }
                         LOGGER.PrintLine(strings.taskDone, LOGGER.Warning);
@@ -530,7 +539,7 @@ namespace N_m3u8DL_CLI
 
                     FFmpeg.OutPutPath = Path.Combine(Directory.GetParent(DownDir).FullName, DownName);
                     FFmpeg.ReportFile = driverName + "\\:" + exePath.Remove(0, exePath.IndexOf(':') + 1).Replace("\\", "/") + "/Logs/" + Path.GetFileNameWithoutExtension(LOGGER.LOGFILE) + fflogName;
-
+                    
                     //合并分段
                     LOGGER.PrintLine(strings.startMerging);
                     for (int i = 0; i < PartsCount; i++)
@@ -637,6 +646,9 @@ namespace N_m3u8DL_CLI
                         parser.Parse();  //开始解析
                         Thread.Sleep(1000);
                         LOGGER.CursorIndex = 5;
+                        Global.HadReadInfo = false;
+                        Global.VIDEO_TYPE = "";
+                        Global.AUDIO_TYPE = "";
                         DoDownload();
                     }
                     if (externalSub)  //下载独立字幕
@@ -649,16 +661,19 @@ namespace N_m3u8DL_CLI
                         parser.Headers = Headers; //继承Header
                         parser.BaseUrl = "";
                         parser.M3u8Url = externalSubUrl;
-                        parser.DownName = DownName + "(Subtitle)";
+                        parser.DownName = DownName.Replace("(Audio)", "") + "(Subtitle)";
                         parser.DownDir = Path.Combine(Path.GetDirectoryName(DownDir), parser.DownName);
                         LOGGER.WriteLine(strings.startParsing + externalSubUrl);
                         LOGGER.WriteLine(strings.downloadingExternalSubtitleTrack);
-                        DownName = DownName + "(Subtitle)";
+                        DownName = parser.DownName;
                         fflogName = "_ffreport(Subtitle).log";
                         DownDir = parser.DownDir;
                         parser.Parse();  //开始解析
                         Thread.Sleep(1000);
                         LOGGER.CursorIndex = 5;
+                        Global.HadReadInfo = false;
+                        Global.VIDEO_TYPE = "";
+                        Global.AUDIO_TYPE = "";
                         DoDownload();
                     }
                     LOGGER.PrintLine(strings.taskDone, LOGGER.Warning);

N_m3u8DL-CLI/FFmpeg.cs

@@ -10,6 +10,8 @@ namespace N_m3u8DL_CLI
 {
     class FFmpeg
     {
+        public static string FFMPEG_PATH = "ffmpeg";
+
         private static string outPutPath = string.Empty;
         private static string reportFile = string.Empty;
         private static bool useAACFilter = false;  //是否启用滤镜
@@ -83,7 +85,7 @@ namespace N_m3u8DL_CLI
 
             }
 
-            Run("ffmpeg", command, Path.GetDirectoryName(files[0]));
+            Run(FFMPEG_PATH, command, Path.GetDirectoryName(files[0]));
             LOGGER.WriteLine(strings.ffmpegDone);
             //Console.WriteLine(command);
         }
@@ -92,7 +94,7 @@ namespace N_m3u8DL_CLI
         {
             if (Global.VIDEO_TYPE == "H264")
             {
-                Run("ffmpeg",
+                Run(FFMPEG_PATH,
                     "-loglevel quiet -i \"" + file + "\" -map 0 -c copy -copy_unknown -f mpegts -bsf:v h264_mp4toannexb \""
                     + Path.GetFileNameWithoutExtension(file) + "[MPEGTS].ts\"", 
                     Path.GetDirectoryName(file));
@@ -104,7 +106,7 @@ namespace N_m3u8DL_CLI
             }
             else if (Global.VIDEO_TYPE == "H265")
             {
-                Run("ffmpeg",
+                Run(FFMPEG_PATH,
                     "-loglevel quiet -i \"" + file + "\" -map 0 -c copy -copy_unknown -f mpegts -bsf:v hevc_mp4toannexb \""
                     + Path.GetFileNameWithoutExtension(file) + "[MPEGTS].ts\"",
                     Path.GetDirectoryName(file));

N_m3u8DL-CLI/Global.cs

@@ -30,8 +30,8 @@ namespace N_m3u8DL_CLI
 
 
         /*===============================================================================*/
-        static string nowVer = "2.7.1";
-        static string nowDate = "20200719";
+        static string nowVer = "2.7.5";
+        static string nowDate = "20201014";
         public static void WriteInit()
         {
             Console.Clear();
@@ -545,6 +545,7 @@ namespace N_m3u8DL_CLI
 
                 long totalLen = 0;
                 long downLen = 0;
+                bool pngHeader = false; //PNG HEADER检测
                 using (var response = (HttpWebResponse)request.GetResponse())
                 {
                     using (var responseStream = response.GetResponseStream())
@@ -555,6 +556,10 @@ namespace N_m3u8DL_CLI
                             totalLen = response.ContentLength;
                             byte[] bArr = new byte[1024];
                             int size = responseStream.Read(bArr, 0, (int)bArr.Length);
+                            if (!pngHeader && size > 3 && 137 == bArr[0] && 80 == bArr[1] && 78 == bArr[2] && 71 == bArr[3]) ;
+                            {
+                                pngHeader = true;
+                            }
                             while (size > 0)
                             {
                                 stream.Write(bArr, 0, size);
@@ -579,6 +584,8 @@ namespace N_m3u8DL_CLI
                     try { File.Delete(path); } catch (Exception) { }
                 if (totalLen != -1 && downLen != totalLen) 
                     try { File.Delete(path); } catch (Exception) { }
+                if (pngHeader)
+                    TrySkipPngHeader(path);
             }
             catch (Exception e)
             {
@@ -587,6 +594,51 @@ namespace N_m3u8DL_CLI
             }
         }
 
+        /// <summary>
+        /// 用于处理利用图床上传TS导致前面被插入PNG Header的情况
+        /// </summary>
+        /// <param name="filePath"></param>
+        public static void TrySkipPngHeader(string filePath)
+        {
+            var u = File.ReadAllBytes(filePath);
+            if (0x47 == u[0])
+            {
+                return;
+            }
+            else if (137 == u[0] && 80 == u[1] && 78 == u[2] && 71 == u[3] && 96 == u[118] && 130 == u[119])
+            {
+                u = u.Skip(120).ToArray();
+            }
+            else if (137 == u[0] && 80 == u[1] && 78 == u[2] && 71 == u[3] && 96 == u[6100] && 130 == u[6101])
+            {
+                u = u.Skip(6102).ToArray();
+            }
+            else if (137 == u[0] && 80 == u[1] && 78 == u[2] && 71 == u[3] && 96 == u[67] && 130 == u[68])
+            {
+                u = u.Skip(69).ToArray();
+            }
+            else if (137 == u[0] && 80 == u[1] && 78 == u[2] && 71 == u[3] && 96 == u[769] && 130 == u[770])
+            {
+                u = u.Skip(771).ToArray();
+            }
+            else if (137 == u[0] && 80 == u[1] && 78 == u[2] && 71 == u[3])
+            {
+                //确定是PNG但是需要手动查询结尾标记(0x60 0x82 0x47)
+                int skip = 0;
+                for (int i = 4; i < u.Length - 3; i++)
+                {
+                    if (u[i] == 0x60 && u[i + 1] == 0x82 && u[i + 2] == 0x47)
+                    {
+                        skip = i + 2;
+                        break;
+                    }
+                }
+                u = u.Skip(skip).ToArray();
+            }
+
+            File.WriteAllBytes(filePath, u);
+        }
+
         //格式化json字符串
         public static string ConvertJsonString(string str)
         {
@@ -1015,5 +1067,58 @@ namespace N_m3u8DL_CLI
                 return wr;
             }
         }
+
+        /**
+         * 通过X-TIMESTAMP-MAP 调整VTT字幕的时间轴
+         */
+        public static void ReAdjustVtt(string[] vtts)
+        {
+            string MsToTime(int ms)
+            {
+                TimeSpan ts = new TimeSpan(0, 0, 0, 0, ms);
+                string str = "";
+                str = (ts.Hours.ToString("00") + ":") + ts.Minutes.ToString("00") + ":" + ts.Seconds.ToString("00") + "." + ts.Milliseconds.ToString("000");
+                return str;
+            }
+
+            int TimeToMs(string line)
+            {
+                int hh = Convert.ToInt32(line.Split(':')[0]);
+                int mm = Convert.ToInt32(line.Split(':')[1]);
+                int ss = Convert.ToInt32(line.Split(':')[2].Split('.')[0]);
+                int ms = Convert.ToInt32(line.Split(':')[2].Split('.')[1]);
+                return hh * 60 * 60 * 1000 + mm * 60 * 1000 + ss * 1000 + ms;
+            }
+
+            int addTime = 0;
+            int baseTime = 0;
+            for (int i = 0; i < vtts.Length; i++)
+            {
+                string tmp = File.ReadAllText(vtts[i], Encoding.UTF8);
+                if (!Regex.IsMatch(tmp, "X-TIMESTAMP-MAP.*MPEGTS:(\\d+)"))
+                    break;
+                if (i > 0)
+                {
+                    int newTime = Convert.ToInt32(Regex.Match(tmp, "X-TIMESTAMP-MAP.*MPEGTS:(\\d+)").Groups[1].Value);
+                    if (newTime == 900000)
+                        continue;
+                    //计算偏移量
+                    //LOGGER.PrintLine((newTime - baseTime).ToString());
+                    addTime = addTime + ((newTime - baseTime) / 100);
+                    if ((newTime - baseTime) == 6300000)
+                        addTime -= 3000;
+                    //将新的作为基准时间
+                    baseTime = newTime;
+                    foreach (Match m in Regex.Matches(tmp, @"(\d{2}:\d{2}:\d{2}\.\d{3}) --> (\d{2}:\d{2}:\d{2}\.\d{3})"))
+                    {
+                        string start = m.Groups[1].Value;
+                        string end = m.Groups[2].Value;
+                        tmp = tmp.Replace(m.Value, MsToTime(TimeToMs(start) + addTime) + " --> " + MsToTime(TimeToMs(end) + addTime));
+                    }
+                }
+                File.WriteAllText(vtts[i], Regex.Replace(tmp, "X-TIMESTAMP-MAP=.*", ""), Encoding.UTF8);
+            }
+            //Console.ReadLine();
+        }
     }
 }

N_m3u8DL-CLI/N_m3u8DL-CLI.csproj

@@ -40,11 +40,11 @@
   <ItemGroup>
     <Reference Include="Microsoft.JScript" />
     <Reference Include="netstandard, Version=2.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51" />
-    <Reference Include="Newtonsoft.Json">
-      <HintPath>..\packages\Newtonsoft.Json.dll</HintPath>
+    <Reference Include="Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
+      <HintPath>..\packages\Newtonsoft.Json.12.0.3\lib\net45\Newtonsoft.Json.dll</HintPath>
     </Reference>
     <Reference Include="NiL.JS, Version=2.5.1428.0, Culture=neutral, PublicKeyToken=fa941a7c2a4de689, processorArchitecture=MSIL">
-      <HintPath>..\packages\NiL.JS.dll</HintPath>
+      <HintPath>..\packages\NiL.JS.2.5.1428\lib\net45\NiL.JS.dll</HintPath>
     </Reference>
     <Reference Include="PresentationFramework" />
     <Reference Include="System" />
@@ -63,6 +63,9 @@
     <Compile Include="CommandLineArgument.cs" />
     <Compile Include="CommandLineArgumentParser.cs" />
     <Compile Include="Decode51CtoKey.cs" />
+    <Compile Include="DecodeDdyun.cs" />
+    <Compile Include="DecodeImooc.cs" />
+    <Compile Include="DecodeNfmovies.cs" />
     <Compile Include="Decrypter.cs" />
     <Compile Include="FFmpeg.cs" />
     <Compile Include="Global.cs" />
@@ -74,6 +77,21 @@
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Downloader.cs" />
+    <Compile Include="strings.Designer.cs">
+      <AutoGen>True</AutoGen>
+      <DesignTime>True</DesignTime>
+      <DependentUpon>strings.resx</DependentUpon>
+    </Compile>
+    <Compile Include="strings.en-US.Designer.cs">
+      <AutoGen>True</AutoGen>
+      <DesignTime>True</DesignTime>
+      <DependentUpon>strings.en-US.resx</DependentUpon>
+    </Compile>
+    <Compile Include="strings.zh-TW.Designer.cs">
+      <AutoGen>True</AutoGen>
+      <DesignTime>True</DesignTime>
+      <DependentUpon>strings.zh-TW.resx</DependentUpon>
+    </Compile>
     <Compile Include="Watcher.cs" />
   </ItemGroup>
   <ItemGroup>
@@ -82,9 +100,6 @@
     </None>
     <None Include="packages.config" />
   </ItemGroup>
-  <ItemGroup>
-    <None Include="bin\Debug\Newtonsoft.Json.dll" />
-  </ItemGroup>
   <ItemGroup>
     <COMReference Include="Scripting">
       <Guid>{420B2830-E718-11CF-893D-00A0C9054228}</Guid>
@@ -100,16 +115,18 @@
     <Content Include="logo_3Iv_icon.ico" />
   </ItemGroup>
   <ItemGroup>
-    <EmbeddedResource Include="Properties\Resources.resx">
+    <EmbeddedResource Include="strings.en-US.resx">
       <Generator>ResXFileCodeGenerator</Generator>
-      <LastGenOutput>Resources.Designer.cs</LastGenOutput>
+      <LastGenOutput>strings.en-US.Designer.cs</LastGenOutput>
     </EmbeddedResource>
-    <EmbeddedResource Include="strings.en-US.resx" />
     <EmbeddedResource Include="strings.resx">
       <Generator>ResXFileCodeGenerator</Generator>
       <LastGenOutput>strings.Designer.cs</LastGenOutput>
     </EmbeddedResource>
-    <EmbeddedResource Include="strings.zh-TW.resx" />
+    <EmbeddedResource Include="strings.zh-TW.resx">
+      <Generator>ResXFileCodeGenerator</Generator>
+      <LastGenOutput>strings.zh-TW.Designer.cs</LastGenOutput>
+    </EmbeddedResource>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>

N_m3u8DL-CLI/Parser.cs

@@ -24,6 +24,7 @@ namespace N_m3u8DL_CLI
         private string downName = string.Empty;
         private string keyFile = string.Empty;
         private string keyBase64 = string.Empty;
+        private string keyIV = string.Empty;
         private bool liveStream = false;
         private long bestBandwidth = 0;
         private string bestUrl = string.Empty;
@@ -60,6 +61,7 @@ namespace N_m3u8DL_CLI
         public string KeyFile { get => keyFile; set => keyFile = value; }
         public string KeyBase64 { get => keyBase64; set => keyBase64 = value; }
         public bool LiveStream { get => liveStream; set => liveStream = value; }
+        public string KeyIV { get => keyIV; set => keyIV = value; }
 
         public void Parse()
         {
@@ -92,7 +94,14 @@ namespace N_m3u8DL_CLI
                 LOGGER.PrintLine(strings.downloadingM3u8, LOGGER.Warning);
 
             if (M3u8Url.StartsWith("http"))
-                m3u8Content = Global.GetWebSource(M3u8Url, headers);
+            {
+                if (M3u8Url.Contains("nfmovies.com/hls"))
+                    m3u8Content = DecodeNfmovies.DecryptM3u8(Global.HttpDownloadFileToBytes(M3u8Url, headers));
+                else if (M3u8Url.Contains("hls.ddyunp.com/ddyun"))
+                    m3u8Content = DecodeDdyun.DecryptM3u8(Global.HttpDownloadFileToBytes(DecodeDdyun.GetVaildM3u8Url(M3u8Url), headers));
+                else
+                    m3u8Content = Global.GetWebSource(M3u8Url, headers);
+            }
             else if (M3u8Url.StartsWith("file:"))
             {
                 Uri t = new Uri(M3u8Url);
@@ -125,7 +134,7 @@ namespace N_m3u8DL_CLI
             File.WriteAllText(m3u8SavePath, m3u8Content);
 
             //针对优酷#EXT-X-VERSION:7杜比视界片源修正
-            if (m3u8Content.Contains("#EXT-X-DISCONTINUITY") && m3u8Content.Contains("#EXT-X-MAP") && m3u8Content.Contains("ott.cibntv.net") && m3u8Content.Contains("ccode=")) 
+            if (m3u8Content.Contains("#EXT-X-DISCONTINUITY") && m3u8Content.Contains("#EXT-X-MAP") && m3u8Content.Contains("ott.cibntv.net") && m3u8Content.Contains("ccode="))
             {
                 Regex ykmap = new Regex("#EXT-X-DISCONTINUITY\\s+#EXT-X-MAP:URI=\\\"(.*?)\\\",BYTERANGE=\\\"(.*?)\\\"");
                 foreach (Match m in ykmap.Matches(m3u8Content))
@@ -151,13 +160,22 @@ namespace N_m3u8DL_CLI
 
             if (!string.IsNullOrEmpty(keyBase64))
             {
-                string line = $"#EXT-X-KEY:METHOD=AES-128,URI=\"base64:{keyBase64}\"";
+                string line = "";
+                if (string.IsNullOrEmpty(keyIV))
+                    line = $"#EXT-X-KEY:METHOD=AES-128,URI=\"base64:{keyBase64}\"";
+                else
+                    line = $"#EXT-X-KEY:METHOD=AES-128,URI=\"base64:{keyBase64}\",IV=0x{keyIV.Replace("0x", "")}";
                 m3u8CurrentKey = ParseKey(line);
             }
             if (!string.IsNullOrEmpty(keyFile))
             {
+                string line = "";
                 Uri u = new Uri(keyFile);
-                string line = $"#EXT-X-KEY:METHOD=AES-128,URI=\"{u.ToString()}\"";
+                if (string.IsNullOrEmpty(keyIV))
+                    line = $"#EXT-X-KEY:METHOD=AES-128,URI=\"{u.ToString()}\"";
+                else
+                    line = $"#EXT-X-KEY:METHOD=AES-128,URI=\"{u.ToString()}\",IV=0x{keyIV.Replace("0x", "")}";
+
                 m3u8CurrentKey = ParseKey(line);
             }
 
@@ -248,11 +266,23 @@ namespace N_m3u8DL_CLI
                     else if (line.StartsWith(HLSTags.ext_x_version)) ;
                     else if (line.StartsWith(HLSTags.ext_x_allow_cache)) ;
                     //解析KEY
-                    else if (line.StartsWith(HLSTags.ext_x_key) && string.IsNullOrEmpty(keyFile) && string.IsNullOrEmpty(keyBase64))
+                    else if (line.StartsWith(HLSTags.ext_x_key))
                     {
-                        m3u8CurrentKey = ParseKey(line);
-                        //存储为上一行的key信息
-                        lastKeyLine = line;
+                        //自定义KEY情况 判断是否需要读取IV
+                        if (!string.IsNullOrEmpty(keyFile) || !string.IsNullOrEmpty(keyBase64))
+                        {
+                            if (m3u8CurrentKey[2] == "" && line.Contains("IV=0x"))
+                            {
+                                var temp = ParseKey(line);
+                                m3u8CurrentKey[2] = temp[2]; //使用m3u8中的IV
+                            }
+                        }
+                        else
+                        {
+                            m3u8CurrentKey = ParseKey(line);
+                            //存储为上一行的key信息
+                            lastKeyLine = line;
+                        }
                     }
                     //解析分片时长(暂时不考虑标题属性)
                     else if (line.StartsWith(HLSTags.extinf))
@@ -267,7 +297,7 @@ namespace N_m3u8DL_CLI
                             segInfo.Add("key", m3u8CurrentKey[1]);
                             //没有读取到IV，自己生成
                             if (m3u8CurrentKey[2] == "")
-                                segInfo.Add("iv", "0x" + Convert.ToString(segIndex, 2).PadLeft(32, '0'));
+                                segInfo.Add("iv", "0x" + Convert.ToString(segIndex, 16).PadLeft(32, '0'));
                             else
                                 segInfo.Add("iv", m3u8CurrentKey[2]);
                         }
@@ -354,6 +384,10 @@ namespace N_m3u8DL_CLI
                         {
                             segUrl += new Regex("\\?__gda__.*").Match(M3u8Url).Value;
                         }
+                        if (M3u8Url.Contains("//dlsc.hcs.cmvideo.cn") && (segUrl.EndsWith(".ts") || segUrl.EndsWith(".mp4")))
+                        {
+                            segUrl += new Regex("\\?.*").Match(M3u8Url).Value;
+                        }
                         segInfo.Add("segUri", segUrl);
                         segments.Add(segInfo);
                         segInfo = new JObject();
@@ -580,8 +614,14 @@ namespace N_m3u8DL_CLI
             MasterListCheck();
         }
 
+        bool downloadingM3u8KeyTip = false;
         public string[] ParseKey(string line)
         {
+            if (!downloadingM3u8KeyTip)
+            {
+                LOGGER.PrintLine(strings.downloadingM3u8Key, LOGGER.Warning);
+                downloadingM3u8KeyTip = true;
+            }
             string[] tmp = line.Replace(HLSTags.ext_x_key + ":", "").Split(',');
             string[] key = new string[] { "NONE", "", "" };
             string u_l = Global.GetTagAttribute(lastKeyLine.Replace(HLSTags.ext_x_key + ":", ""), "URI");
@@ -608,7 +648,6 @@ namespace N_m3u8DL_CLI
                 }
                 else
                 {
-                    LOGGER.PrintLine(strings.downloadingM3u8Key, LOGGER.Warning);
                     LOGGER.WriteLine(strings.downloadingM3u8Key + " " + key[1]);
                     if (key[1].StartsWith("http"))
                     {
@@ -632,11 +671,11 @@ namespace N_m3u8DL_CLI
                                 {
                                     indexs = "0-1-2-3-4-5-6-7-18-16-15-13-12-11-10-8".Split('-');
                                 }
-                                else if (algorithmNum == 0) 
+                                else if (algorithmNum == 0)
                                 {
                                     indexs = "0-1-2-3-4-5-6-7-8-10-11-12-14-15-16-18".Split('-');
                                 }
-                                else if(algorithmNum == 2)
+                                else if (algorithmNum == 2)
                                 {
                                     var a_CODE = (int)Encoding.ASCII.GetBytes("a")[0];
 
@@ -681,7 +720,7 @@ namespace N_m3u8DL_CLI
                                     return key;
                                 }
                             }
-                            else if(encKey.Length == 17)
+                            else if (encKey.Length == 17)
                             {
                                 indexs = "1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16".Split('-');
                             }

N_m3u8DL-CLI/Program.cs

@@ -273,6 +273,27 @@ namespace N_m3u8DL_CLI.NetCore
     /// 2020年7月18日
     ///   - 从当前路径和exe路径同时寻找ffmpeg
     ///   - 支持多语言本地化(简繁英)
+    /// 2020年8月4日
+    ///   - 修复外挂字幕命名问题
+    ///   - 修复外挂字幕识别问题
+    ///   - 修复外挂轨道的一些逻辑问题
+    ///   - 优化多语言识别逻辑
+    /// 2020年8月5日
+    ///   - 支持相对时间的vtt合并(还存在问题)
+    /// 2020年8月9日
+    ///   - 修复IV错误导致的AES-128解密异常问题
+    ///   - 支持自定义IV(--useKeyIV)
+    /// 2020年9月12日
+    ///   - 支持nfmovies m3u8解密
+    ///   - 支持自动去除PNG Header(https://puui.qpic.cn/newsapp_ls/0/12418116195/0)
+    ///   - 修复相对时间的vtt合并的一些错误逻辑(还存在问题)
+    /// 2020年9月19日
+    ///   - 在自定义KEY且未自定义IV情况下，自动读取m3u8中存在的IV
+    ///   - 支持阿房影视等ddyun m3u8解密
+    /// 2020年10月14日
+    ///   - 咪咕分片链接后拼接m3u8_url参数
+    ///   - 修复文件名过长导致的BUG
+    ///   - 优化ffmpeg调用逻辑
     /// </summary>
     /// 
 
@@ -318,7 +339,11 @@ namespace N_m3u8DL_CLI.NetCore
             {
                 loc = "zh-TW";
             }
-            else if (loc != "zh-CN" && loc != "zh-SG")
+            else if (loc == "zh-CN" || loc == "zh-SG")
+            {
+                loc = "zh-CN";
+            }
+            else
             {
                 loc = "en-US";
             }
@@ -334,7 +359,15 @@ namespace N_m3u8DL_CLI.NetCore
                 string fileName = "";
 
                 //寻找ffmpeg.exe
-                if (!File.Exists("ffmpeg.exe") && !File.Exists(Path.Combine(Path.GetDirectoryName(Process.GetCurrentProcess().MainModule.FileName), "ffmpeg.exe")))
+                if (File.Exists("ffmpeg.exe"))
+                {
+                    FFmpeg.FFMPEG_PATH = Path.Combine(Environment.CurrentDirectory, "ffmpeg.exe");
+                }
+                else if (File.Exists(Path.Combine(Path.GetDirectoryName(Process.GetCurrentProcess().MainModule.FileName), "ffmpeg.exe")))
+                {
+                    FFmpeg.FFMPEG_PATH = Path.Combine(Path.GetDirectoryName(Process.GetCurrentProcess().MainModule.FileName), "ffmpeg.exe");
+                }
+                else
                 {
                     try
                     {
@@ -342,7 +375,10 @@ namespace N_m3u8DL_CLI.NetCore
                         foreach (var de in EnvironmentPath)
                         {
                             if (File.Exists(Path.Combine(de.Trim('\"').Trim(), "ffmpeg.exe")))
+                            {
+                                FFmpeg.FFMPEG_PATH = Path.Combine(de.Trim('\"').Trim(), "ffmpeg.exe");
                                 goto HasFFmpeg;
+                            }
                         }
                     }
                     catch (Exception)
@@ -356,8 +392,7 @@ namespace N_m3u8DL_CLI.NetCore
                     Console.ResetColor(); //将控制台的前景色和背景色设为默认值
                     Console.WriteLine(strings.ffmpegTip);
                     Console.WriteLine();
-                    Console.WriteLine("x86 https://ffmpeg.zeranoe.com/builds/win32/static/");
-                    Console.WriteLine("x64 https://ffmpeg.zeranoe.com/builds/win64/static/");
+                    Console.WriteLine("http://ffmpeg.org/download.html#build-windows");
                     Console.WriteLine();
                     Console.WriteLine(strings.pressAnyKeyExit);
                     Console.ReadKey();
@@ -384,6 +419,7 @@ namespace N_m3u8DL_CLI.NetCore
                 string reqHeaders = "";
                 string keyFile = "";
                 string keyBase64 = "";
+                string keyIV = "";
                 string muxSetJson = "MUXSETS.json";
                 string workDir = CURRENT_PATH + "\\Downloads";
                 bool muxFastStart = false;
@@ -472,6 +508,10 @@ namespace N_m3u8DL_CLI.NetCore
                 {
                     keyBase64 = arguments.Get("--useKeyBase64").Next;
                 }
+                if (arguments.Has("--useKeyIV"))
+                {
+                    keyIV = arguments.Get("--useKeyIV").Next;
+                }
                 if (arguments.Has("--stopSpeed"))
                 {
                     Global.STOP_SPEED = Convert.ToInt64(arguments.Get("--stopSpeed").Next);
@@ -619,6 +659,20 @@ namespace N_m3u8DL_CLI.NetCore
                 string m3u8Content = string.Empty;
                 bool isVOD = true;
 
+                //避免文件路径过长
+                if (workDir.Length >= 200)
+                {
+                    //目录不能随便改 直接抛出异常
+                    throw new Exception("保存目录过长!");
+                }
+                else if (workDir.Length + fileName.Length >= 200)
+                {
+                    //尝试缩短文件名
+                    while (workDir.Length + fileName.Length >= 200)
+                    {
+                        fileName = fileName.Substring(0, fileName.Length - 1);
+                    }
+                }
 
                 //开始解析
 
@@ -631,6 +685,7 @@ namespace N_m3u8DL_CLI.NetCore
                 parser.DownDir = Path.Combine(workDir, parser.DownName);
                 parser.M3u8Url = testurl;
                 parser.KeyBase64 = keyBase64;
+                parser.KeyIV = keyIV;
                 parser.KeyFile = keyFile;
                 if (baseUrl != "")
                     parser.BaseUrl = baseUrl;

N_m3u8DL-CLI/packages.config

@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
+  <package id="Newtonsoft.Json" version="12.0.3" targetFramework="net46" />
   <package id="NiL.JS" version="2.5.1428" targetFramework="net46" />
 </packages>

N_m3u8DL-CLI/strings.en-US.resx

@@ -197,6 +197,7 @@
     --muxSetJson File           Set a json file for mux
     --useKeyFile File           Use 16 bytes file as KEY for AES-128 decryption
     --useKeyBase64 Base64String Use Base64 String as KEY for AES-128 decryption
+    --useKeyIV     HEXString    Use HEX String as IV for AES-128 decryption
     --downloadRange Range       Set range for a video
     --stopSpeed  Number         Speed below this, retry(KB/s)
     --maxSpeed   Number         Set max download speed(KB/s)

N_m3u8DL-CLI/strings.resx

@@ -197,6 +197,7 @@
     --muxSetJson File           使用外部json文件定义混流选项
     --useKeyFile File           使用外部16字节文件定义AES-128解密KEY
     --useKeyBase64 Base64String 使用Base64字符串定义AES-128解密KEY
+    --useKeyIV     HEXString    使用HEX字符串定义AES-128解密IV
     --downloadRange Range       仅下载视频的一部分分片或长度
     --liveRecDur HH:MM:SS       直播录制时，达到此长度自动退出软件
     --stopSpeed  Number         当速度低于此值时，重试(单位为KB/s)

N_m3u8DL-CLI/strings.zh-TW.resx

@@ -197,6 +197,7 @@
     --muxSetJson File           使用外部json文件定義混流選項
     --useKeyFile File           使用外部16字節文件定義AES-128解密KEY
     --useKeyBase64 Base64String 使用Base64字符串定義AES-128解密KEY
+    --useKeyIV     HEXString    使用HEX字符串定義AES-128解密IV
     --downloadRange Range       僅下載視頻的壹部分分片或長度
     --liveRecDur HH:MM:SS       直播錄制時，達到此長度自動退出軟件
     --stopSpeed  Number         當速度低於此值時，重試(單位為KB/s)

README.md

@@ -61,6 +61,7 @@ N_m3u8DL-CLI.exe <URL|JSON|FILE> [OPTIONS]
     --muxSetJson File           使用外部json文件定义混流选项
     --useKeyFile File           使用外部16字节文件定义AES-128解密KEY
     --useKeyBase64 Base64String 使用Base64字符串定义AES-128解密KEY
+    --useKeyIV     HEXString    使用HEX字符串定义AES-128解密IV
     --downloadRange Range       仅下载视频的一部分分片或长度
     --liveRecDur HH:MM:SS       直播录制时，达到此长度自动退出软件
     --stopSpeed  Number         当速度低于此值时，重试(单位为KB/s)

README_ENG.md

@@ -43,6 +43,7 @@ N_m3u8DL-CLI.exe <URL|JSON|FILE> [OPTIONS]
     --muxSetJson File           Set a json file for mux
     --useKeyFile File           Use 16 bytes file as KEY for AES-128 decryption
     --useKeyBase64 Base64String Use Base64 String as KEY for AES-128 decryption
+    --useKeyIV     HEXString    Use HEX String as IV for AES-128 decryption
     --downloadRange Range       Set range for a video
     --stopSpeed  Number         Speed below this, retry(KB/s)
     --maxSpeed   Number         Set max download speed(KB/s)