i=$ddlmZmZmZmZmZddlZddlm Z m Z m Z ddl m Z ddlmZddlmZddlmZ ddeed eed eefd ZGd d Zy))DictMappingOptionalTupleUnionN) Annotation SlidingWindowSlidingWindowFeature)Label)DiarizationErrorRate) InferenceBinarize num_speakers min_speakers max_speakersc|xs|xsd}|xs|xstj}||kDrtd|dd|dd||k(r|}|||fS)avValidate number of speakers Parameters ---------- num_speakers : int, optional Number of speakers. min_speakers : int, optional Minimum number of speakers. max_speakers : int, optional Maximum number of speakers. Returns ------- num_speakers : int or None min_speakers : int max_speakers : int or np.inf zQmin_speakers must be smaller than (or equal to) max_speakers (here: min_speakers=gz and max_speakers=z).)npinf ValueErrorrrrs /Volumes/fast/ai/experiments/voice-extract-mac/.venv/lib/python3.12/site-packages/pyannote/audio/pipelines/utils/diarization.pyset_num_speakersr"sx0 4<41L9<9266Ll"##/"22D\RSDTTV X  |## | 33ceZdZdZe ddeedeedeefdZe ddee e fde d e d ee e e e eeffffd Ze dd ed ede eefd efdZe ddededed e fdZededed efdZdZy)SpeakerDiarizationMixinzBDefines a bunch of methods common to speaker diarization pipelinesNrrrct|||S)aValidate number of speakers Parameters ---------- num_speakers : int, optional Number of speakers. min_speakers : int, optional Minimum number of speakers. max_speakers : int, optional Maximum number of speakers. Returns ------- num_speakers : int or None min_speakers : int max_speakers : int or np.inf r)rrs rrz(SpeakerDiarizationMixin.set_num_speakersKs. %%%  r reference hypothesisreturn_mappingreturnct|tr|d}d|vr|dnd}nd}tj|||}|j |}|r||fS|S)aFind the optimal bijective mapping between reference and hypothesis labels Parameters ---------- reference : Annotation or Mapping Reference annotation. Can be an Annotation instance or a mapping with an "annotation" key. hypothesis : Annotation Hypothesized annotation. return_mapping : bool, optional Return the label mapping itself along with the mapped annotation. Defaults to False. Returns ------- mapped : Annotation Hypothesis mapped to reference speakers. mapping : dict, optional Mapping between hypothesis (key) and reference (value) labels Only returned if `return_mapping` is True. annotation annotatedN)uem)mapping) isinstancerr optimal_mapping rename_labels)r r!r"r&r(mapped_hypothesiss rr*z'SpeakerDiarizationMixin.optimal_mappinghs|6 i )!,/I2=2J +.PTII&(88 zy9 '44W4E $g- -% $rbinarized_segmentationsframeswarm_upctj||}tjtj|dd|ddd}tj |j jtj|_|S)aEstimate frame-level number of instantaneous speakers Parameters ---------- binarized_segmentations : SlidingWindowFeature (num_chunks, num_frames, num_classes)-shaped binarized scores. warm_up : (float, float) tuple, optional Left/right warm up ratio of chunk duration. Defaults to (0.1, 0.1), i.e. 10% on both sides. frames : SlidingWindow Frames resolution. Defaults to estimate it automatically based on `segmentations` shape and chunk size. Providing the exact frame resolution (when known) leads to better temporal precision. Returns ------- count : SlidingWindowFeature (num_frames, 1)-shaped instantaneous speaker count )r/T)axiskeepdimsFhammingmissing skip_average) r trim aggregatersumrintdataastypeuint8)r-r.r/trimmedcounts r speaker_countz%SpeakerDiarizationMixin.speaker_countsk4..!8'J## FF7d 3   WWUZZ(//9  rdiscrete_diarizationmin_duration_onmin_duration_offc0tdd||}||S)a Parameters ---------- discrete_diarization : SlidingWindowFeature (num_frames, num_speakers)-shaped discrete diarization min_duration_on : float, optional Defaults to 0. min_duration_off : float, optional Defaults to 0. Returns ------- continuous_diarization : Annotation Continuous diarization, with speaker labels as integers, corresponding to the speaker indices in the discrete diarization. g?)onsetoffsetrDrEr)rCrDrEbinarizes r to_annotationz%SpeakerDiarizationMixin.to_annotations(0+-  ,--r segmentationsrActj||jddd}|jj\}}t j |j}||kr,t j|jdd||z ff|_|j|jz}|j|d}|j|d}t j| d }t j|j}tt||D]3\} \\}} } t| jD] } d || | | f<5t!||jS) aBuild diarization out of preprocessed segmentation and precomputed speaker count Parameters ---------- segmentations : SlidingWindowFeature (num_chunks, num_frames, num_speakers)-shaped segmentations count : SlidingWindow_feature (num_frames, 1)-shaped speaker count Returns ------- discrete_diarization : SlidingWindowFeature Discrete (0s and 1s) diarization. Fr4Tr5)rrr) return_datar1)r2g?)r r:sliding_windowr=shapermaxpadextentcropargsort zeros_like enumerateziprangeitemr ) rKrA activations_rmax_speakers_per_framerRsorted_speakersbinarytcspeakersis rto_diarizationz&SpeakerDiarizationMixin.to_diarizationsK* ))     &**00r|se.98II+=30#'"&"&#43-#43-#43-#4LJJr