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FLV: Add workaround for streaming data from d1--ov-gotcha07.bilivideo.com

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CNAME d1--ov-gotcha07.bilivideo.com.a.bcelive.com
CNAME d1--ov-gotcha07.bilivideo.com.zengslb.com
Zenlayer Singapore
This commit is contained in:
Genteure 2021-08-11 00:03:28 +08:00
parent 08b5fb4dc5
commit 55594ab77c
1 changed files with 54 additions and 22 deletions
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76
BililiveRecorder.Flv/Pipeline/Rules/HandleNewScriptRule.cs
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@ -13,6 +13,7 @@ namespace BililiveRecorder.Flv.Pipeline.Rules
/// </remarks>
public class HandleNewScriptRule : ISimpleProcessingRule
{
private const string onMetaData = "onMetaData";
private static readonly ProcessingComment comment_onmetadata = new ProcessingComment(CommentType.Logging, "收到了 onMetaData");
public void Run(FlvProcessingContext context, Action next)
@ -23,40 +24,71 @@ namespace BililiveRecorder.Flv.Pipeline.Rules
private IEnumerable<PipelineAction?> RunPerAction(FlvProcessingContext context, PipelineAction action)
{
ScriptTagBody? data;
if (action is PipelineScriptAction scriptAction)
{
var data = scriptAction.Tag.ScriptData;
if (!(data is null)
&& data.Values.Count == 2
&& data.Values[0] is ScriptDataString name
&& name == "onMetaData")
data = scriptAction.Tag.ScriptData;
if (data is not null)
{
ScriptDataEcmaArray value = data.Values[1] switch
if (data.Values.Count == 2
&& data.Values[0] is ScriptDataString name
&& name == onMetaData)
{
ScriptDataObject obj => obj,
ScriptDataEcmaArray arr => arr,
_ => new ScriptDataEcmaArray()
};
context.AddComment(comment_onmetadata);
yield return PipelineNewFileAction.Instance;
yield return (new PipelineScriptAction(new Tag
goto IsOnMetaData;
}
else if (data.Values.Count == 3
&& data.Values[2] is ScriptDataNull
&& data.Values[0] is ScriptDataString name2
&& name2 == onMetaData)
{
Type = TagType.Script,
ScriptData = new ScriptTagBody(new List<IScriptDataValue>
{
name,
value
})
}));
/* d1--ov-gotcha07.bilivideo.com
* CNAME d1--ov-gotcha07.bilivideo.com.a.bcelive.com
* CNAME d1--ov-gotcha07.bilivideo.com.zengslb.com
* Singapore AS21859 Zenlayer Inc
*
* 给的 script tag 数据里第三个位置多了个 NULL
*/
goto IsOnMetaData;
}
else
{
goto notOnMetaData;
}
}
else
{
context.AddComment(new ProcessingComment(CommentType.Logging, "收到了非 onMetaData 的 Script Tag: " + (data?.ToJson() ?? "(null)")));
goto notOnMetaData;
}
}
else
{
yield return action;
yield break;
}
IsOnMetaData:
ScriptDataEcmaArray value = data.Values[1] switch
{
ScriptDataObject obj => obj,
ScriptDataEcmaArray arr => arr,
_ => new ScriptDataEcmaArray()
};
context.AddComment(comment_onmetadata);
yield return PipelineNewFileAction.Instance;
yield return (new PipelineScriptAction(new Tag
{
Type = TagType.Script,
ScriptData = new ScriptTagBody(new List<IScriptDataValue>
{
(ScriptDataString)onMetaData,
value
})
}));
yield break;
notOnMetaData:
context.AddComment(new ProcessingComment(CommentType.Logging, "收到了非 onMetaData 的 Script Tag: " + (data?.ToJson() ?? "(null)")));
yield break;
}
}
}