Hi Aaron,

that's one of the limitations of the current scheduler: No, there's no chance to build such a block that doesn't copy.

Best regards,
Marcus


On 2017-11-02 20:08, Aaron Swan wrote:
Given the following flow-graph

    Prev Block --> Tag Manipulation Block --> Next Block

Is it possible to have a gnu radio block that only manipulates tags and does not contain a buffer? I.e. no need to copy samples from Prev Block's output buffer to Tag Manipulation Block's output buffer?

Thanks,

Aaron


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