Audiokit似乎只接收前三个sysex MIDI信息号码

时间:2017-10-11 05:34:33

标签: swift midi audiokit sysex

我试图使用audiokit从mac上的app中的硬件合成器接收syses消息。这些合成器消息由11个数字组成,例如:

240,00,32,51,01,16,112,00,40,95,247

在当前发布的audiokit(4.5.5)版本中,这样的消息在函数中的AKMIDIListener类中被接收: receivedMIDISystemCommand(data)。 "数据" - 对象她收到"搞砸了"消息如下: [240,0,32,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 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一些观察结果 - 似乎大量的数字是由256个数字中的6个部分构成的。他们从真实信息中取出三个数字,然后是253个零。 - 大多数部件都是重复的。

有了这一切,我可以重新创建原始消息。当我这样做时,我发现每个消息都被多次接收。很多消息似乎都迷失了。

长话短说,我非常喜欢Audiokit,原因很多,但我不能用它来接收sysex。

2 个答案:

答案 0 :(得分:0)

在我看来,audiokit正在用4个较小的3比特消息切断我的11比特消息。只有第一条消息以240开头,并被识别为syses消息。

以下3个部分根本没有被识别出来,并且丢失了。

第一条消息会让Audiokit崩溃,因为它不包含必要的结束号码(247)。

试图改变这种行为,但没有运气。 Audiokit是一个非常好的工作和平,但遗憾的是我的项目并不适合。

答案 1 :(得分:0)

自问及回答此问题以来,AudioKit的sysex处理已得到改进,因此现在应该可以更好地工作。