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71121a2380
The original awstranscribe element has grown too complex when integrating translations for reasons that in retrospect were wrong: As awstranscribe outputs words one by one, I decided we wanted to perform translations there with larger sentences if available, but an alternative design where a separate translation element is composed downstream is also possible, as long as that element accumulates words and enough latency is set on the transcriber. An important difference is that the new elements do not expose unsynced pads, this use case is instead now served by simple messages on the bus. The elements should otherwise be at feature parity with the original element. A higher-level bin is also provided for convenience (and usage within transcriberbin): translationbin. A transcriber element can be provided to this bin, which exposes an always audio sink pad, and an always text sink pad (for the transcripts). Additional source pads can be requested for translations, for now the bin always uses `awstranslate` as the translator, but this can be made configurable. This element is usable as a transcriber in `transcriberbin`. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/2055> |
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