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Merge pull request #1 from nilaoda/main 

Bing Chilling
This commit is contained in:
ImAleeexx 2022-12-12 10:49:37 +01:00 committed by GitHub
parent 32abf02687 7c90d83695
commit 8b9e412ab7
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 32 additions and 32 deletions
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2
src/N_m3u8DL-RE/CommandLine/CommandInvoker.cs
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@ -18,7 +18,7 @@ namespace N_m3u8DL_RE.CommandLine
{ {
internal partial class CommandInvoker internal partial class CommandInvoker
{ {
public const string VERSION_INFO = "N_m3u8DL-RE (Beta version) 20221211"; public const string VERSION_INFO = "N_m3u8DL-RE (Beta version) 20221212";
[GeneratedRegex("((best|worst)\\d*|all)")] [GeneratedRegex("((best|worst)\\d*|all)")]
private static partial Regex ForStrRegex(); private static partial Regex ForStrRegex();

62
src/N_m3u8DL-RE/DownloadManager/SimpleLiveRecordManager2.cs
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@ -17,6 +17,7 @@ using System.Collections.Concurrent;
using System.Diagnostics; using System.Diagnostics;
using System.IO; using System.IO;
using System.IO.Pipes; using System.IO.Pipes;
using System.Linq;
using System.Text; using System.Text;
using System.Threading.Tasks; using System.Threading.Tasks;
using System.Threading.Tasks.Dataflow; using System.Threading.Tasks.Dataflow;
@ -39,8 +40,9 @@ namespace N_m3u8DL_RE.DownloadManager
ConcurrentDictionary<int, int> RecordingDurDic = new(); //已录制时长 ConcurrentDictionary<int, int> RecordingDurDic = new(); //已录制时长
ConcurrentDictionary<int, BufferBlock<List<MediaSegment>>> BlockDic = new(); //各流的Block ConcurrentDictionary<int, BufferBlock<List<MediaSegment>>> BlockDic = new(); //各流的Block
ConcurrentDictionary<int, bool> SamePathDic = new(); //各流是否allSamePath ConcurrentDictionary<int, bool> SamePathDic = new(); //各流是否allSamePath
ConcurrentDictionary<string, string> LastFileNameDic = new(); //上次下载的文件名 ConcurrentDictionary<int, string> LastFileNameDic = new(); //上次下载的文件名
ConcurrentDictionary<string, long> DateTimeDic = new(); //上次下载的dateTime ConcurrentDictionary<int, long> MaxIndexDic = new(); //最大Index
ConcurrentDictionary<int, long> DateTimeDic = new(); //上次下载的dateTime
CancellationTokenSource CancellationTokenSource = new(); //取消Wait CancellationTokenSource CancellationTokenSource = new(); //取消Wait
public SimpleLiveRecordManager2(DownloaderConfig downloaderConfig, List<StreamSpec> selectedSteams, StreamExtractor streamExtractor) public SimpleLiveRecordManager2(DownloaderConfig downloaderConfig, List<StreamSpec> selectedSteams, StreamExtractor streamExtractor)
@ -149,26 +151,11 @@ namespace N_m3u8DL_RE.DownloadManager
if (mediainfos.All(m => m.Type == "Audio") && streamSpec.MediaType != MediaType.AUDIO) if (mediainfos.All(m => m.Type == "Audio") && streamSpec.MediaType != MediaType.AUDIO)
{ {
var lastKey = streamSpec.ToShortString();
streamSpec.MediaType = MediaType.AUDIO; streamSpec.MediaType = MediaType.AUDIO;
var newKey = streamSpec.ToShortString();
//需要同步修改Dictionary中的Key
if (LastFileNameDic.Remove(lastKey, out var lastValue1))
LastFileNameDic[newKey] = lastValue1!;
if (DateTimeDic.Remove(lastKey, out var lastValue2))
DateTimeDic[newKey] = lastValue2;
} }
else if (mediainfos.All(m => m.Type == "Subtitle") && streamSpec.MediaType != MediaType.SUBTITLES) else if (mediainfos.All(m => m.Type == "Subtitle") && streamSpec.MediaType != MediaType.SUBTITLES)
{ {
var lastKey = streamSpec.ToShortString();
streamSpec.MediaType = MediaType.SUBTITLES; streamSpec.MediaType = MediaType.SUBTITLES;
var newKey = streamSpec.ToShortString();
//需要同步修改Dictionary中的Key
if (LastFileNameDic.Remove(lastKey, out var lastValue1))
LastFileNameDic[newKey] = lastValue1!;
if (DateTimeDic.Remove(lastKey, out var lastValue2))
DateTimeDic[newKey] = lastValue2;
if (streamSpec.Extension == null || streamSpec.Extension == "ts") if (streamSpec.Extension == null || streamSpec.Extension == "ts")
streamSpec.Extension = "vtt"; streamSpec.Extension = "vtt";
@ -681,7 +668,7 @@ namespace N_m3u8DL_RE.DownloadManager
SamePathDic[task.Id] = allSamePath; SamePathDic[task.Id] = allSamePath;
} }
//过滤不需要下载的片段 //过滤不需要下载的片段
FilterMediaSegments(streamSpec, allHasDatetime, SamePathDic[task.Id]); FilterMediaSegments(streamSpec, task, allHasDatetime, SamePathDic[task.Id]);
var newList = streamSpec.Playlist!.MediaParts[0].MediaSegments; var newList = streamSpec.Playlist!.MediaParts[0].MediaSegments;
if (newList.Count > 0) if (newList.Count > 0)
{ {
@ -689,10 +676,10 @@ namespace N_m3u8DL_RE.DownloadManager
//推送给消费者 //推送给消费者
await BlockDic[task.Id].SendAsync(newList); await BlockDic[task.Id].SendAsync(newList);
//更新最新链接 //更新最新链接
LastFileNameDic[streamSpec.ToShortString()] = GetSegmentName(newList.Last(), allHasDatetime, SamePathDic[task.Id]); LastFileNameDic[task.Id] = GetSegmentName(newList.Last(), allHasDatetime, SamePathDic[task.Id]);
//尝试更新时间戳 //尝试更新时间戳
var dt = newList.Last().DateTime; var dt = newList.Last().DateTime;
DateTimeDic[streamSpec.ToShortString()] = dt != null ? GetUnixTimestamp(dt.Value) : 0L; DateTimeDic[task.Id] = dt != null ? GetUnixTimestamp(dt.Value) : 0L;
} }
}); });
@ -721,13 +708,13 @@ namespace N_m3u8DL_RE.DownloadManager
} }
} }
private void FilterMediaSegments(StreamSpec streamSpec, bool allHasDatetime, bool allSamePath) private void FilterMediaSegments(StreamSpec streamSpec, ProgressTask task, bool allHasDatetime, bool allSamePath)
{ {
if (string.IsNullOrEmpty(LastFileNameDic[streamSpec.ToShortString()]) && DateTimeDic[streamSpec.ToShortString()] == 0) return; if (string.IsNullOrEmpty(LastFileNameDic[task.Id]) && DateTimeDic[task.Id] == 0) return;
var index = -1; var index = -1;
var dateTime = DateTimeDic[streamSpec.ToShortString()]; var dateTime = DateTimeDic[task.Id];
var lastName = LastFileNameDic[streamSpec.ToShortString()]; var lastName = LastFileNameDic[task.Id];
//优先使用dateTime判断 //优先使用dateTime判断
if (dateTime != 0 && streamSpec.Playlist!.MediaParts[0].MediaSegments.All(s => s.DateTime != null)) if (dateTime != 0 && streamSpec.Playlist!.MediaParts[0].MediaSegments.All(s => s.DateTime != null))
@ -741,7 +728,23 @@ namespace N_m3u8DL_RE.DownloadManager
if (index > -1) if (index > -1)
{ {
streamSpec.Playlist!.MediaParts[0].MediaSegments = streamSpec.Playlist!.MediaParts[0].MediaSegments.Skip(index + 1).ToList(); //修正Index
var list = streamSpec.Playlist!.MediaParts[0].MediaSegments.Skip(index + 1).ToList();
if (list.Count > 0)
{
var newMin = list.Min(s => s.Index);
var oldMax = MaxIndexDic[task.Id];
if (newMin < oldMax)
{
var offset = oldMax - newMin + 1;
foreach (var item in list)
{
item.Index += offset;
}
}
MaxIndexDic[task.Id] = list.Max(s => s.Index);
}
streamSpec.Playlist!.MediaParts[0].MediaSegments = list;
} }
} }
@ -759,12 +762,6 @@ namespace N_m3u8DL_RE.DownloadManager
part.MediaSegments = part.MediaSegments.Where(s => s.Index <= maxIndex).TakeLast(takeLastCount).ToList(); part.MediaSegments = part.MediaSegments.Where(s => s.Index <= maxIndex).TakeLast(takeLastCount).ToList();
} }
} }
//初始化dic
foreach (var item in SelectedSteams)
{
LastFileNameDic[item.ToShortString()] = "";
DateTimeDic[item.ToShortString()] = 0L;
}
//设置等待时间 //设置等待时间
if (WAIT_SEC == 0) if (WAIT_SEC == 0)
{ {
@ -804,7 +801,10 @@ namespace N_m3u8DL_RE.DownloadManager
{ {
var task = ctx.AddTask(item.ToShortString(), autoStart: false, maxValue: 0); var task = ctx.AddTask(item.ToShortString(), autoStart: false, maxValue: 0);
SpeedContainerDic[task.Id] = new SpeedContainer(); //速度计算 SpeedContainerDic[task.Id] = new SpeedContainer(); //速度计算
LastFileNameDic[task.Id] = "";
DateTimeDic[task.Id] = 0L;
RecordingDurDic[task.Id] = 0; RecordingDurDic[task.Id] = 0;
MaxIndexDic[task.Id] = item.Playlist?.MediaParts[0].MediaSegments.Max(s => s.Index) ?? 0L; //最大Index
BlockDic[task.Id] = new BufferBlock<List<MediaSegment>>(); BlockDic[task.Id] = new BufferBlock<List<MediaSegment>>();
return (item, task); return (item, task);
}).ToDictionary(item => item.item, item => item.task); }).ToDictionary(item => item.item, item => item.task);