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N_m3u8DL-RE
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优化二进制合并开启条件即解密条件

This commit is contained in:
nilaoda 2022-08-17 00:16:19 +08:00
parent 764a87cb6d
commit 3140fcbbb9
3 changed files with 42 additions and 29 deletions
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1
src/N_m3u8DL-RE.Common/Resource/ResString.cs
View File

@ -12,6 +12,7 @@ namespace N_m3u8DL_RE.Common.Resource
public static string autoBinaryMerge { get => GetText("autoBinaryMerge"); }
public static string autoBinaryMerge2 { get => GetText("autoBinaryMerge2"); }
public static string autoBinaryMerge3 { get => GetText("autoBinaryMerge3"); }
public static string autoBinaryMerge4 { get => GetText("autoBinaryMerge4"); }
public static string badM3u8 { get => GetText("badM3u8"); }
public static string binaryMerge { get => GetText("binaryMerge"); }
public static string checkingLast { get => GetText("checkingLast"); }

6
src/N_m3u8DL-RE.Common/Resource/StaticText.cs
View File

@ -28,6 +28,12 @@ namespace N_m3u8DL_RE.Common.Resource
zhTW: "檢測到無法識別的加密方式，自動開啟二進位制合併",
enUS: "An unrecognized encryption method is detected, binary merging is automatically enabled"
),
["autoBinaryMerge4"] = new TextContainer
(
zhCN: "检测到CENC加密方式，自动开启二进制合并",
zhTW: "檢測到CENC加密方式，自動開啟二進位制合併",
enUS: "When CENC encryption is detected, binary merging is automatically enabled"
),
["badM3u8"] = new TextContainer
(
zhCN: "错误的m3u8",

20
src/N_m3u8DL-RE/DownloadManager/SimpleDownloadManager.cs
View File

@ -95,6 +95,13 @@ namespace N_m3u8DL_RE.DownloadManager
//开始下载
Logger.InfoMarkUp(ResString.startDownloading + streamSpec.ToShortString());
//对于CENC，全部自动开启二进制合并
if (!DownloaderConfig.BinaryMerge && totalCount >= 1 && streamSpec.Playlist!.MediaParts.First().MediaSegments.First().EncryptInfo.Method == Common.Enum.EncryptMethod.CENC)
{
DownloaderConfig.BinaryMerge = true;
Logger.WarnMarkUp($"[darkorange3_1]{ResString.autoBinaryMerge4}[/]");
}
//下载init
if (streamSpec.Playlist?.MediaInit != null)
{
@ -447,12 +454,8 @@ namespace N_m3u8DL_RE.DownloadManager
}
}
//调用mp4decrypt解密
if (mergeSuccess && File.Exists(output) && !DownloaderConfig.MP4RealTimeDecryption && DownloaderConfig.Keys != null && DownloaderConfig.Keys.Length > 0)
{
if (totalCount >= 1 && streamSpec.Playlist!.MediaParts.First().MediaSegments.First().EncryptInfo.Method != Common.Enum.EncryptMethod.NONE)
{
if (string.IsNullOrEmpty(currentKID))
//重新读取init信息
if (mergeSuccess && totalCount >= 1 && string.IsNullOrEmpty(currentKID) && streamSpec.Playlist!.MediaParts.First().MediaSegments.First().EncryptInfo.Method == Common.Enum.EncryptMethod.CENC)
{
using (var fs = File.OpenRead(output))
{
@ -470,6 +473,10 @@ namespace N_m3u8DL_RE.DownloadManager
}
}
}
//调用mp4decrypt解密
if (mergeSuccess && File.Exists(output) && !string.IsNullOrEmpty(currentKID) && !DownloaderConfig.MP4RealTimeDecryption && DownloaderConfig.Keys != null && DownloaderConfig.Keys.Length > 0)
{
var enc = output;
var dec = Path.Combine(Path.GetDirectoryName(enc)!, Path.GetFileNameWithoutExtension(enc) + "_dec" + Path.GetExtension(enc));
Logger.InfoMarkUp($"[grey]Decrypting...[/]");
@ -481,7 +488,6 @@ namespace N_m3u8DL_RE.DownloadManager
output = dec;
}
}
}
return true;
}