public static (string, List <Video>, List <Audio>, List <string>, List <string>) ExtractTracks(bool hevc, string aidOri, string aid, string cid, string epId, bool tvApi, bool intl, string qn = "0")
{
List <Video> videoTracks = new List <Video>();
List <Audio> audioTracks = new List <Audio>();
List <string> clips = new List <string>();
List <string> dfns = new List <string>();
//调用解析
string webJsonStr = GetPlayJson(aidOri, aid, cid, epId, tvApi, intl);
JObject respJson = JObject.Parse(webJsonStr);
//intl接口
if (webJsonStr.Contains("\"stream_list\""))
{
int pDur = respJson.SelectToken("data.video_info.timelength").Value <int>() / 1000;
JArray audio = JArray.Parse(respJson.SelectToken("data.video_info.dash_audio").ToString());
foreach (JObject stream in JArray.Parse(respJson.SelectToken("data.video_info.stream_list").ToString()))
{
if (stream.ContainsKey("dash_video"))
{
if (stream["dash_video"]["base_url"].ToString() != "")
{
Video v = new Video();
v.dur = pDur;
v.id = stream["stream_info"]["quality"].ToString();
v.dfn = Program.qualitys[v.id];
v.bandwith = Convert.ToInt64(stream["dash_video"]["bandwidth"].ToString()) / 1000;
v.baseUrl = stream["dash_video"]["base_url"].ToString();
v.codecs = stream["dash_video"]["codecid"].ToString() == "12" ? "HEVC" : "AVC";
if (hevc && v.codecs == "AVC")
{
continue;
}
if (!videoTracks.Contains(v))
{
videoTracks.Add(v);
}
}
}
}
foreach (JObject node in audio)
{
Audio a = new Audio();
a.id = node["id"].ToString();
a.dfn = node["id"].ToString();
a.dur = pDur;
a.bandwith = Convert.ToInt64(node["bandwidth"].ToString()) / 1000;
a.baseUrl = node["base_url"].ToString();
a.codecs = "M4A";
audioTracks.Add(a);
}
return(webJsonStr, videoTracks, audioTracks, clips, dfns);
}
if (webJsonStr.Contains("\"dash\":{")) //dash
{
JArray audio = null;
JArray video = null;
int pDur = 0;
string nodeName = "data";
if (webJsonStr.Contains("\"result\":{"))
{
nodeName = "result";
}
try { pDur = !tvApi ? respJson[nodeName]["dash"]["duration"].Value <int>() : respJson["dash"]["duration"].Value <int>(); } catch { }
try { pDur = !tvApi ? respJson[nodeName]["timelength"].Value <int>() / 1000 : respJson["timelength"].Value <int>() / 1000; } catch { }
bool reParse = false;
reParse:
if (reParse)
{
webJsonStr = GetPlayJson(aidOri, aid, cid, epId, tvApi, intl, "125");
respJson = JObject.Parse(webJsonStr);
}
try { video = JArray.Parse(!tvApi ? respJson[nodeName]["dash"]["video"].ToString() : respJson["dash"]["video"].ToString()); } catch { }
try { audio = JArray.Parse(!tvApi ? respJson[nodeName]["dash"]["audio"].ToString() : respJson["dash"]["audio"].ToString()); } catch { }
if (video != null)
{
foreach (JObject node in video)
{
Video v = new Video();
v.dur = pDur;
v.id = node["id"].ToString();
v.dfn = Program.qualitys[node["id"].ToString()];
v.bandwith = Convert.ToInt64(node["bandwidth"].ToString()) / 1000;
v.baseUrl = node["base_url"].ToString();
v.codecs = node["codecid"].ToString() == "12" ? "HEVC" : "AVC";
if (!tvApi)
{
v.res = node["width"].ToString() + "x" + node["height"].ToString();
v.fps = node["frame_rate"].ToString();
}
if (hevc && v.codecs == "AVC")
{
continue;
}
if (!videoTracks.Contains(v))
{
videoTracks.Add(v);
}
}
}
//此处处理免二压视频，需要单独再请求一次
if (!reParse)
{
reParse = true;
goto reParse;
}
if (audio != null)
{
foreach (JObject node in audio)
{
Audio a = new Audio();
a.id = node["id"].ToString();
a.dfn = node["id"].ToString();
a.dur = pDur;
a.bandwith = Convert.ToInt64(node["bandwidth"].ToString()) / 1000;
a.baseUrl = node["base_url"].ToString();
a.codecs = "M4A";
audioTracks.Add(a);
}
}
}
else if (webJsonStr.Contains("\"durl\":[")) //flv
{
//默认以最高清晰度解析
webJsonStr = GetPlayJson(aidOri, aid, cid, epId, tvApi, intl, "125");
respJson = JObject.Parse(webJsonStr);
string quality = "";
string videoCodecid = "";
string url = "";
double size = 0;
double length = 0;
if (webJsonStr.Contains("\"data\":{"))
{
quality = respJson["data"]["quality"].ToString();
videoCodecid = respJson["data"]["video_codecid"].ToString();
//获取所有分段
foreach (JObject node in JArray.Parse(respJson["data"]["durl"].ToString()))
{
clips.Add(node["url"].ToString());
size += node["size"].Value <double>();
length += node["length"].Value <double>();
}
//TV模式可用清晰度
if (respJson["data"]["qn_extras"] != null)
{
foreach (JObject node in JArray.Parse(respJson["data"]["qn_extras"].ToString()))
{
dfns.Add(node["qn"].ToString());
}
}
else if (respJson["data"]["accept_quality"] != null) //非tv模式可用清晰度
{
foreach (JValue node in JArray.Parse(respJson["data"]["accept_quality"].ToString()))
{
string _qn = node.ToString();
if (_qn != null && _qn.Length > 0)
{
dfns.Add(node.ToString());
}
}
}
}
else
{
//如果获取数据失败，尝试从根路径获取数据
string nodeinfo = respJson.ToString();
quality = JObject.Parse(nodeinfo)["quality"].ToString();
videoCodecid = JObject.Parse(nodeinfo)["video_codecid"].ToString();
//获取所有分段
foreach (JObject node in JArray.Parse(JObject.Parse(nodeinfo)["durl"].ToString()))
{
clips.Add(node["url"].ToString());
size += node["size"].Value <double>();
length += node["length"].Value <double>();
}
//TV模式可用清晰度
if (JObject.Parse(nodeinfo)["qn_extras"] != null)
{
//获取可用清晰度
foreach (JObject node in JArray.Parse(JObject.Parse(nodeinfo)["qn_extras"].ToString()))
{
dfns.Add(node["qn"].ToString());
}
}
else if (JObject.Parse(nodeinfo)["accept_quality"] != null) //非tv模式可用清晰度
{
foreach (JValue node in JArray.Parse(JObject.Parse(nodeinfo)["accept_quality"].ToString()))
{
string _qn = node.ToString();
if (_qn != null && _qn.Length > 0)
{
dfns.Add(node.ToString());
}
}
}
}
Video v = new Video();
v.id = quality;
v.dfn = Program.qualitys[quality];
v.baseUrl = url;
v.codecs = videoCodecid == "12" ? "HEVC" : "AVC";
v.dur = (int)length / 1000;
v.size = size;
if (hevc && v.codecs == "AVC")
{
}
if (!videoTracks.Contains(v))
{
videoTracks.Add(v);
}
}
return(webJsonStr, videoTracks, audioTracks, clips, dfns);
}
private static async Task DoWorkAsync(MyOption myOption)
{
Console.BackgroundColor = ConsoleColor.DarkBlue;
Console.ForegroundColor = ConsoleColor.White;
Console.Write("BBDown version 20200816[RC3], Bilibili Downloader.\r\n");
Console.ResetColor();
Console.Write("请注意：这是一个测试版本，任何BUG请前往以下网址反馈：\r\n" +
"https://github.com/nilaoda/BBDown/issues\r\n");
Console.WriteLine();
try
{
bool interactMode = myOption.Interactive;
bool infoMode = myOption.OnlyShowInfo;
bool tvApi = myOption.UseTvApi;
bool hevc = myOption.OnlyHevc;
bool hideStreams = myOption.HideStreams;
bool multiThread = myOption.MultiThread;
string input = myOption.Url;
string selectPage = myOption.SelectPage;
string aid = "";
COOKIE = myOption.Cookie;
TOKEN = myOption.AccessToken != null?myOption.AccessToken.Replace("access_token=", "") : "";
List <string> selectedPages = null;
if (!string.IsNullOrEmpty(GetQueryString("p", input)))
{
selectedPages = new List <string>();
selectedPages.Add(GetQueryString("p", input));
}
if (File.Exists(Path.Combine(AppContext.BaseDirectory, "BBDown.data")) && !tvApi)
{
Log("加载本地cookie...");
COOKIE = File.ReadAllText(Path.Combine(AppContext.BaseDirectory, "BBDown.data"));
}
if (File.Exists(Path.Combine(AppContext.BaseDirectory, "BBDownTV.data")) && tvApi)
{
Log("加载本地token...");
TOKEN = File.ReadAllText(Path.Combine(AppContext.BaseDirectory, "BBDownTV.data"));
}
Log("获取aid...");
aid = await GetAvIdAsync(input);
Log("获取aid结束: " + aid);
//-p的优先级大于URL中的自带p参数，所以先清空selectedPages
if (!string.IsNullOrEmpty(selectPage))
{
selectedPages = new List <string>();
try
{
string tmp = selectPage;
tmp = tmp.Trim().Trim(',');
if (tmp.Contains("-"))
{
int start = int.Parse(tmp.Split('-')[0]);
int end = int.Parse(tmp.Split('-')[1]);
for (int i = start; i <= end; i++)
{
selectedPages.Add(i.ToString());
}
}
else
{
foreach (var s in tmp.Split(','))
{
selectedPages.Add(s);
}
}
}
catch { LogError("解析分P参数时失败了~"); selectedPages = null; };
}
if (string.IsNullOrEmpty(aid))
{
throw new Exception("输入有误");
}
string api = $"https://api.bilibili.com/x/web-interface/view?aid={aid}";
string json = GetWebSource(api);
JObject infoJson = JObject.Parse(json);
Log("获取视频信息...");
string title = infoJson["data"]["title"].ToString();
string desc = infoJson["data"]["desc"].ToString();
string pic = infoJson["data"]["pic"].ToString();
string pubTime = infoJson["data"]["pubdate"].ToString();
LogColor("视频标题: " + title);
Log("发布时间: " + new DateTime(1970, 1, 1, 0, 0, 0, 0).AddSeconds(Convert.ToDouble(pubTime)));
JArray subs = JArray.Parse(infoJson["data"]["subtitle"]["list"].ToString());
JArray pages = JArray.Parse(infoJson["data"]["pages"].ToString());
List <Page> pagesInfo = new List <Page>();
List <Subtitle> subtitleInfo = new List <Subtitle>();
foreach (JObject sub in subs)
{
Subtitle subtitle = new Subtitle();
subtitle.url = sub["subtitle_url"].ToString();
subtitle.lan = sub["lan"].ToString();
subtitle.path = $"{aid}/{aid}.{subtitle.lan}.srt";
subtitleInfo.Add(subtitle);
}
bool more = false;
bool bangumi = false;
string epId = "";
if (!infoMode)
{
if (!Directory.Exists(aid))
{
Directory.CreateDirectory(aid);
}
Log("下载封面...");
new WebClient().DownloadFile(pic, $"{aid}/{aid}.jpg");
foreach (Subtitle s in subtitleInfo)
{
Log($"下载字幕 {s.lan}...");
BBDownSubUtil.SaveSubtitle(s.url, s.path);
}
}
try
{
if (infoJson["data"]["redirect_url"].ToString().Contains("bangumi"))
{
bangumi = true;
epId = Regex.Match(infoJson["data"]["redirect_url"].ToString(), "ep(\\d+)").Groups[1].Value;
}
}
catch { }
foreach (JObject page in pages)
{
Page p = new Page(page["page"].Value <int>(),
page["cid"].ToString(), page["part"].ToString(),
page["duration"].Value <int>(), page["dimension"]["width"] + "x" + page["dimension"]["height"]);
pagesInfo.Add(p);
if (more)
{
continue;
}
if (Convert.ToInt32(page["page"].ToString()) > 5)
{
Log("P...");
Log("分P太多, 已经省略部分...");
more = true;
}
else
{
Log($"P{p.index}: [{p.cid}] [{p.title}] [{FormatTime(p.dur)}]");
}
}
Log($"共计 {pagesInfo.Count} 个分P, 已选择：" + (selectedPages == null ? "ALL" : string.Join(",", selectedPages)));
foreach (Page p in pagesInfo)
{
//跳过不需要的分P
if (selectedPages != null && !selectedPages.Contains(p.index.ToString()))
{
continue;
}
Log($"开始解析P{p.index}...");
List <Video> videoInfo = new List <Video>();
List <Audio> audioInfo = new List <Audio>();
string videoPath = $"{aid}/{aid}.P{p.index}.{p.cid}.mp4";
string audioPath = $"{aid}/{aid}.P{p.index}.{p.cid}.m4a";
string outPath = GetValidFileName(title + (pagesInfo.Count > 1 ? $"[P{p.index}.{p.title}].mp4" : ".mp4"));
//调用解析
string webJson = GetPlayJson(aid, p.cid, epId, tvApi, bangumi);
//File.WriteAllText($"debug.json", JObject.Parse(webJson).ToString());
JArray audio = null;
JArray video = null;
//此处代码简直灾难，后续优化吧
if (webJson.Contains("\"dash\":[")) //dash
{
string nodeName = "data";
if (webJson.Contains("\"result\":{"))
{
nodeName = "result";
}
try { video = JArray.Parse(!tvApi ? JObject.Parse(webJson)[nodeName]["dash"]["video"].ToString() : JObject.Parse(webJson)["dash"]["video"].ToString()); } catch { }
try { audio = JArray.Parse(!tvApi ? JObject.Parse(webJson)[nodeName]["dash"]["audio"].ToString() : JObject.Parse(webJson)["dash"]["audio"].ToString()); } catch { }
if (video != null)
{
foreach (JObject node in video)
{
Video v = new Video();
v.id = node["id"].ToString();
v.dfn = qualitys[node["id"].ToString()];
v.bandwith = Convert.ToInt64(node["bandwidth"].ToString()) / 1000;
v.baseUrl = node["base_url"].ToString();
v.codecs = node["codecid"].ToString() == "12" ? "HEVC" : "AVC";
if (!tvApi)
{
v.res = node["width"].ToString() + "x" + node["height"].ToString();
v.fps = node["frame_rate"].ToString();
}
if (hevc && v.codecs == "AVC")
{
continue;
}
videoInfo.Add(v);
}
}
if (audio != null)
{
foreach (JObject node in audio)
{
Audio a = new Audio();
a.id = node["id"].ToString();
a.dfn = node["id"].ToString();
a.bandwith = Convert.ToInt64(node["bandwidth"].ToString()) / 1000;
a.baseUrl = node["base_url"].ToString();
a.codecs = "M4A";
audioInfo.Add(a);
}
}
if (video != null && videoInfo.Count == 0)
{
LogError("没有找到符合要求的视频流");
continue;
}
if (audio != null && audioInfo.Count == 0)
{
LogError("没有找到符合要求的音频流");
continue;
}
//降序
videoInfo.Sort(Compare);
audioInfo.Sort(Compare);
int vIndex = 0;
int aIndex = 0;
if (!hideStreams)
{
//展示所有的音视频流信息
Log($"共计{videoInfo.Count}条视频流.");
int index = 0;
foreach (var v in videoInfo)
{
LogColor($"{index++}. [{v.dfn}] [{v.res}] [{v.codecs}] [{v.fps}] [{v.bandwith} kbps] [~{FormatFileSize(p.dur * v.bandwith * 1024 / 8)}]".Replace("[] ", ""), false);
}
Log($"共计{audioInfo.Count}条音频流.");
index = 0;
foreach (var a in audioInfo)
{
LogColor($"{index++}. [{a.codecs}] [{a.bandwith} kbps] [~{FormatFileSize(p.dur * a.bandwith * 1024 / 8)}]", false);
}
if (infoMode)
{
continue;
}
if (interactMode)
{
Log("请选择一条视频流(输入序号): ", false);
Console.ForegroundColor = ConsoleColor.Cyan;
vIndex = Convert.ToInt32(Console.ReadLine());
Console.ResetColor();
Log("请选择一条音频流(输入序号): ", false);
Console.ForegroundColor = ConsoleColor.Cyan;
aIndex = Convert.ToInt32(Console.ReadLine());
Console.ResetColor();
}
}
if (File.Exists(outPath) && new FileInfo(outPath).Length != 0)
{
Log($"{outPath}已存在, 跳过下载...");
continue;
}
Log($"已选择的流:");
if (video != null)
{
LogColor($"[视频] [{videoInfo[vIndex].dfn}] [{videoInfo[vIndex].res}] [{videoInfo[vIndex].codecs}] [{videoInfo[vIndex].fps}] [{videoInfo[vIndex].bandwith} kbps] [~{FormatFileSize(p.dur * videoInfo[vIndex].bandwith * 1024 / 8)}]".Replace("[] ", ""), false);
}
if (audio != null)
{
LogColor($"[音频] [{audioInfo[aIndex].codecs}] [{audioInfo[aIndex].bandwith} kbps] [~{FormatFileSize(p.dur * audioInfo[aIndex].bandwith * 1024 / 8)}]", false);
}
if (multiThread && !videoInfo[vIndex].baseUrl.Contains("-cmcc-"))
{
if (video != null)
{
Log($"开始多线程下载P{p.index}视频...");
MultiThreadDownloadFile(videoInfo[vIndex].baseUrl, videoPath);
Log("合并视频分片...");
CombineMultipleFilesIntoSingleFile(GetFiles(Path.GetDirectoryName(videoPath), ".vclip"), videoPath);
}
if (audio != null)
{
Log($"开始多线程下载P{p.index}音频...");
MultiThreadDownloadFile(audioInfo[aIndex].baseUrl, audioPath);
Log("合并音频分片...");
CombineMultipleFilesIntoSingleFile(GetFiles(Path.GetDirectoryName(audioPath), ".aclip"), audioPath);
}
Log("清理分片...");
foreach (var file in new DirectoryInfo(Path.GetDirectoryName(videoPath)).EnumerateFiles("*.?clip"))
{
file.Delete();
}
}
else
{
if (multiThread && videoInfo[vIndex].baseUrl.Contains("-cmcc-"))
{
LogError("检测到cmcc域名cdn, 已经禁用多线程");
}
if (video != null)
{
Log($"开始下载P{p.index}视频...");
await DownloadFile(videoInfo[vIndex].baseUrl, videoPath);
}
if (audio != null)
{
Log($"开始下载P{p.index}音频...");
await DownloadFile(audioInfo[aIndex].baseUrl, audioPath);
}
}
Log($"下载P{p.index}完毕");
if (video == null)
{
videoPath = "";
}
if (audio == null)
{
audioPath = "";
}
Log("开始合并音视频" + (subtitleInfo.Count > 0 ? "和字幕" : "") + "...");
int code = MuxAV(videoPath, audioPath, outPath,
desc.Replace("\"", ""),
title.Replace("\"", ""),
pagesInfo.Count > 1 ? GetValidFileName($"P{p.index}.{p.title}") : "",
File.Exists($"{aid}/{aid}.jpg") ? $"{aid}/{aid}.jpg" : "",
subtitleInfo);
if (code != 0 || !File.Exists(outPath) || new FileInfo(outPath).Length == 0)
{
LogError("合并失败"); continue;
}
Log("清理临时文件...");
if (video != null)
{
File.Delete(videoPath);
}
if (audio != null)
{
File.Delete(audioPath);
}
foreach (var s in subtitleInfo)
{
File.Delete(s.path);
}
if (pagesInfo.Count == 1 || p.index == pagesInfo.Count)
{
File.Delete($"{aid}/{aid}.jpg");
}
if (Directory.Exists(aid) && Directory.GetFiles(aid).Length == 0)
{
Directory.Delete(aid, true);
}
}
else if (webJson.Contains("\"durl\":[")) //flv
{
//重新解析最高清晰度
webJson = GetPlayJson(aid, p.cid, epId, tvApi, bangumi, "120");
string quality = "";
string videoCodecid = "";
string url = "";
string format = "";
double size = 0;
double length = 0;
if (webJson.Contains("\"data\":{"))
{
format = JObject.Parse(webJson)["data"]["format"].ToString();
quality = JObject.Parse(webJson)["data"]["quality"].ToString();
videoCodecid = JObject.Parse(webJson)["data"]["video_codecid"].ToString();
url = JObject.Parse(webJson)["data"]["durl"][0]["url"].ToString();
size = JObject.Parse(webJson)["data"]["durl"][0]["size"].Value <double>();
length = JObject.Parse(webJson)["data"]["durl"][0]["length"].Value <double>();
}
else
{
format = JObject.Parse(webJson)["format"].ToString();
quality = JObject.Parse(webJson)["quality"].ToString();
videoCodecid = JObject.Parse(webJson)["video_codecid"].ToString();
url = JObject.Parse(webJson)["durl"][0]["url"].ToString();
size = JObject.Parse(webJson)["durl"][0]["size"].Value <double>();
length = JObject.Parse(webJson)["durl"][0]["length"].Value <double>();
}
Video v1 = new Video();
v1.id = quality;
v1.dfn = qualitys[quality];
v1.baseUrl = url;
v1.codecs = videoCodecid == "12" ? "HEVC" : "AVC";
if (hevc && v1.codecs == "AVC")
{
;
}
else
{
videoInfo.Add(v1);
}
//降序
videoInfo.Sort(Compare);
Log($"共计{videoInfo.Count}条流({format}).");
int index = 0;
int vIndex = 0;
foreach (var v in videoInfo)
{
LogColor($"{index++}. [{v.dfn}] [{v.res}] [{v.codecs}] [{v.fps}] [~{(size / 1024 / (length / 1000) * 8).ToString("00")} kbps] [{FormatFileSize(size)}]".Replace("[] ", ""), false);
}
if (infoMode)
{
continue;
}
if (interactMode)
{
Log("请选择一条流(输入序号): ", false);
Console.ForegroundColor = ConsoleColor.Cyan;
vIndex = Convert.ToInt32(Console.ReadLine());
Console.ResetColor();
}
if (File.Exists(outPath) && new FileInfo(outPath).Length != 0)
{
Log($"{outPath}已存在, 跳过下载...");
continue;
}
if (multiThread && !videoInfo[0].baseUrl.Contains("-cmcc-"))
{
if (videoInfo.Count != 0)
{
Log($"开始多线程下载P{p.index}视频...");
MultiThreadDownloadFile(videoInfo[vIndex].baseUrl, videoPath);
Log("合并视频分片...");
CombineMultipleFilesIntoSingleFile(GetFiles(Path.GetDirectoryName(videoPath), ".vclip"), videoPath);
}
Log("清理分片...");
foreach (var file in new DirectoryInfo(Path.GetDirectoryName(videoPath)).EnumerateFiles("*.?clip"))
{
file.Delete();
}
}
else
{
if (multiThread && videoInfo[vIndex].baseUrl.Contains("-cmcc-"))
{
LogError("检测到cmcc域名cdn, 已经禁用多线程");
}
if (videoInfo.Count != 0)
{
Log($"开始下载P{p.index}视频...");
await DownloadFile(videoInfo[vIndex].baseUrl, videoPath);
}
}
Log($"下载P{p.index}完毕");
Log("开始混流视频" + (subtitleInfo.Count > 0 ? "和字幕" : "") + "...");
int code = MuxAV(videoPath, "", outPath,
desc.Replace("\"", ""),
title.Replace("\"", ""),
pagesInfo.Count > 1 ? GetValidFileName($"P{p.index}.{p.title}") : "",
File.Exists($"{aid}/{aid}.jpg") ? $"{aid}/{aid}.jpg" : "",
subtitleInfo);
if (code != 0 || !File.Exists(outPath) || new FileInfo(outPath).Length == 0)
{
LogError("合并失败"); continue;
}
Log("清理临时文件...");
if (videoInfo.Count != 0)
{
File.Delete(videoPath);
}
foreach (var s in subtitleInfo)
{
File.Delete(s.path);
}
if (pagesInfo.Count == 1 || p.index == pagesInfo.Count)
{
File.Delete($"{aid}/{aid}.jpg");
}
if (Directory.Exists(aid) && Directory.GetFiles(aid).Length == 0)
{
Directory.Delete(aid, true);
}
}
else
{
LogError("解析此分P失败");
continue;
}
}
Log("任务完成");
}
catch (Exception e)
{
Console.BackgroundColor = ConsoleColor.Red;
Console.ForegroundColor = ConsoleColor.White;
Console.WriteLine(e.Message);
Console.ResetColor();
Thread.Sleep(1);
}
}
private static int Compare(Audio r1, Audio r2)
{
return(r1.bandwith - r2.bandwith > 0 ? -1 : 1);
}
public static async Task <(string, List <Video>, List <Audio>, List <string>, List <string>)> ExtractTracksAsync(bool onlyHevc, bool onlyAvc, string aidOri, string aid, string cid, string epId, bool tvApi, bool intlApi, bool appApi, string qn = "0")
{
List <Video> videoTracks = new List <Video>();
List <Audio> audioTracks = new List <Audio>();
List <string> clips = new List <string>();
List <string> dfns = new List <string>();
//调用解析
string webJsonStr = await GetPlayJsonAsync(onlyAvc, aidOri, aid, cid, epId, tvApi, intlApi, appApi, qn);
var respJson = JsonDocument.Parse(webJsonStr);
var data = respJson.RootElement;
//intl接口
if (webJsonStr.Contains("\"stream_list\""))
{
int pDur = data.GetProperty("data").GetProperty("video_info").GetProperty("timelength").GetInt32() / 1000;
var audio = data.GetProperty("data").GetProperty("video_info").GetProperty("dash_audio").EnumerateArray().ToList();
foreach (var stream in data.GetProperty("data").GetProperty("video_info").GetProperty("stream_list").EnumerateArray())
{
JsonElement dashVideo;
if (stream.TryGetProperty("dash_video", out dashVideo))
{
if (dashVideo.GetProperty("base_url").ToString() != "")
{
Video v = new Video();
v.dur = pDur;
v.id = stream.GetProperty("stream_info").GetProperty("quality").ToString();
v.dfn = Program.qualitys[v.id];
v.bandwith = Convert.ToInt64(dashVideo.GetProperty("bandwidth").ToString()) / 1000;
v.baseUrl = dashVideo.GetProperty("base_url").ToString();
v.codecs = dashVideo.GetProperty("codecid").ToString() == "12" ? "HEVC" : "AVC";
if (onlyHevc && v.codecs == "AVC")
{
continue;
}
if (!videoTracks.Contains(v))
{
videoTracks.Add(v);
}
}
}
}
foreach (var node in audio)
{
Audio a = new Audio();
a.id = node.GetProperty("id").ToString();
a.dfn = node.GetProperty("id").ToString();
a.dur = pDur;
a.bandwith = Convert.ToInt64(node.GetProperty("bandwidth").ToString()) / 1000;
a.baseUrl = node.GetProperty("base_url").ToString();
a.codecs = "M4A";
audioTracks.Add(a);
}
return(webJsonStr, videoTracks, audioTracks, clips, dfns);
}
if (webJsonStr.Contains("\"dash\":{")) //dash
{
List <JsonElement> audio = null;
List <JsonElement> video = null;
int pDur = 0;
string nodeName = "data";
if (webJsonStr.Contains("\"result\":{"))
{
nodeName = "result";
}
try { pDur = !tvApi?respJson.RootElement.GetProperty(nodeName).GetProperty("dash").GetProperty("duration").GetInt32() : respJson.RootElement.GetProperty("dash").GetProperty("duration").GetInt32(); } catch { }
try { pDur = !tvApi?respJson.RootElement.GetProperty(nodeName).GetProperty("timelength").GetInt32() / 1000 : respJson.RootElement.GetProperty("timelength").GetInt32() / 1000; } catch { }
bool reParse = false;
reParse:
if (reParse)
{
webJsonStr = await GetPlayJsonAsync(onlyAvc, aidOri, aid, cid, epId, tvApi, intlApi, appApi, GetMaxQn());
respJson = JsonDocument.Parse(webJsonStr);
}
try { video = !tvApi?respJson.RootElement.GetProperty(nodeName).GetProperty("dash").GetProperty("video").EnumerateArray().ToList() : respJson.RootElement.GetProperty("dash").GetProperty("video").EnumerateArray().ToList(); } catch { }
try { audio = !tvApi?respJson.RootElement.GetProperty(nodeName).GetProperty("dash").GetProperty("audio").EnumerateArray().ToList() : respJson.RootElement.GetProperty("dash").GetProperty("audio").EnumerateArray().ToList(); } catch { }
//处理杜比音频
try
{
if (!tvApi && respJson.RootElement.GetProperty(nodeName).GetProperty("dash").TryGetProperty("dolby", out JsonElement dolby))
{
if (dolby.TryGetProperty("audio", out JsonElement db))
{
audio.AddRange(db.EnumerateArray().ToList());
}
}
}
catch (Exception) {; }
if (video != null)
{
foreach (var node in video)
{
Video v = new Video();
v.dur = pDur;
v.id = node.GetProperty("id").ToString();
v.dfn = Program.qualitys[v.id];
v.bandwith = Convert.ToInt64(node.GetProperty("bandwidth").ToString()) / 1000;
v.baseUrl = node.GetProperty("base_url").ToString();
v.codecs = node.GetProperty("codecid").ToString() == "12" ? "HEVC" : "AVC";
if (!tvApi && !appApi)
{
v.res = node.GetProperty("width").ToString() + "x" + node.GetProperty("height").ToString();
v.fps = node.GetProperty("frame_rate").ToString();
}
if (onlyHevc && v.codecs == "AVC")
{
continue;
}
if (onlyAvc && v.codecs == "HEVC")
{
continue;
}
if (!videoTracks.Contains(v))
{
videoTracks.Add(v);
}
}
}
//此处处理免二压视频，需要单独再请求一次
if (!reParse && !appApi)
{
reParse = true;
goto reParse;
}
if (audio != null)
{
foreach (var node in audio)
{
Audio a = new Audio();
a.id = node.GetProperty("id").ToString();
a.dfn = a.id;
a.dur = pDur;
a.bandwith = Convert.ToInt64(node.GetProperty("bandwidth").ToString()) / 1000;
a.baseUrl = node.GetProperty("base_url").ToString();
a.codecs = node.GetProperty("codecs").ToString().Replace("mp4a.40.2", "M4A").Replace("ec-3", "E-AC-3");
audioTracks.Add(a);
}
}
}
else if (webJsonStr.Contains("\"durl\":[")) //flv
{
//默认以最高清晰度解析
webJsonStr = await GetPlayJsonAsync(onlyAvc, aidOri, aid, cid, epId, tvApi, intlApi, appApi, GetMaxQn());
respJson = JsonDocument.Parse(webJsonStr);
string quality = "";
string videoCodecid = "";
string url = "";
double size = 0;
double length = 0;
var nodeName = "data";
flvParse:
if (webJsonStr.Contains($"\"{nodeName}\":{{"))
{
var dataNode = respJson.RootElement.GetProperty(nodeName);
quality = dataNode.GetProperty("quality").ToString();
videoCodecid = dataNode.GetProperty("video_codecid").ToString();
//获取所有分段
foreach (var node in dataNode.GetProperty("durl").EnumerateArray().ToList())
{
clips.Add(node.GetProperty("url").ToString());
size += node.GetProperty("size").GetDouble();
length += node.GetProperty("length").GetDouble();
}
//TV模式可用清晰度
JsonElement qnExtras;
JsonElement acceptQuality;
if (dataNode.TryGetProperty("qn_extras", out qnExtras))
{
foreach (var node in qnExtras.EnumerateArray())
{
dfns.Add(node.GetProperty("qn").ToString());
}
}
else if (dataNode.TryGetProperty("accept_quality", out acceptQuality)) //非tv模式可用清晰度
{
foreach (var node in acceptQuality.EnumerateArray())
{
string _qn = node.ToString();
if (_qn != null && _qn.Length > 0)
{
dfns.Add(node.ToString());
}
}
}
}
else if (webJsonStr.Contains("\"result\":{"))
{
nodeName = "result";
goto flvParse;
}
else
{
//如果获取数据失败，尝试从根路径获取数据
string nodeinfo = respJson.RootElement.ToString();
var nodeJson = JsonDocument.Parse(nodeinfo).RootElement;
quality = nodeJson.GetProperty("quality").ToString();
videoCodecid = nodeJson.GetProperty("video_codecid").ToString();
//获取所有分段
foreach (var node in nodeJson.GetProperty("durl").EnumerateArray())
{
clips.Add(node.GetProperty("url").ToString());
size += node.GetProperty("size").GetDouble();
length += node.GetProperty("length").GetDouble();
}
//TV模式可用清晰度
JsonElement qnExtras;
JsonElement acceptQuality;
if (nodeJson.TryGetProperty("qn_extras", out qnExtras))
{
//获取可用清晰度
foreach (var node in qnExtras.EnumerateArray())
{
dfns.Add(node.GetProperty("qn").ToString());
}
}
else if (nodeJson.TryGetProperty("accept_quality", out acceptQuality)) //非tv模式可用清晰度
{
foreach (var node in acceptQuality.EnumerateArray())
{
string _qn = node.ToString();
if (_qn != null && _qn.Length > 0)
{
dfns.Add(node.ToString());
}
}
}
}
Video v = new Video();
v.id = quality;
v.dfn = Program.qualitys[quality];
v.baseUrl = url;
v.codecs = videoCodecid == "12" ? "HEVC" : "AVC";
v.dur = (int)length / 1000;
v.size = size;
if (onlyHevc && v.codecs == "AVC")
{
}
if (!videoTracks.Contains(v))
{
videoTracks.Add(v);
}
}
return(webJsonStr, videoTracks, audioTracks, clips, dfns);
}
