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D KK**// 0 MM&,, -  < = LL "" !v{{'>'>q'AFKKD[D['["\]]  NN6;;++Q /  6 7 !f//;;; MM&++00QB! <  *   /{{&IIfmmv/A/AFDVDVWXDY/YZ[ fkkaR15'+r#N input_lengths add_adaptercT||jjn|}d}t|jj|jjD]\}}||||}|rBt |jj D] }||d|jj}"|S)zH Computes the output length of the convolutional layers c>tj||z |ddzS)Nfloor) rounding_moder)rtdiv input_lengthr2strides r"_conv_out_lengthzOWavLMPreTrainedModel._get_feat_extract_output_lengths.._conv_out_lengths"99\K7wWZ[[ [r#r)rLrdzip conv_kernel conv_stridernum_adapter_layersadapter_stride)rrcrdrmr2rlrs r" _get_feat_extract_output_lengthsz5WavLMPreTrainedModel._get_feat_extract_output_lengthsys 2=1Ddkk--+  \ $'t{{'>'> @W@W#X Q K,]KPM Q 4;;99: _ 04;;C]C] ^  _r#feature_vector_lengthrzc|jddddf}|j||}|jtj}|j d}tj ||f|j|j}d|tj|j d|j|dz f<|jdgjdjdgj}|S)NrSrrdr)rrr)r) cumsumrsrrtrrzerosrrrflipr)rrtrzrdnon_padded_lengthsoutput_lengthsrGs r""_get_feature_vector_attention_maskz7WavLMPreTrainedModel._get_feature_vector_attention_masks ,22r2:1b5A>>?Q_j>k'**5::6#))!,  . /~7K7KTbTiTi uv ^%9%9!%<^EZEZ[]kno]opq',,bT299"=BBB4HMMOr#ra)r*r+r,r__annotations__base_model_prefixmain_input_nameinput_modalitiessupports_gradient_checkpointing_supports_flash_attn_supports_sdpa_supports_flex_attnrtno_gradrWrrrrsr|r-r.s@r"rOrOSs $O&*# NU]]_664e>N>NQT>Tcgjncn,Y]%(:?:J:Jr#rOc&eZdZdfd ZdZxZS)WavLMNoLayerNormConvLayercdt||dkDr|j|dz nd|_|j||_t j |j|j|j||j||j|_ t|j|_ y)Nrrr2rlr)rrrW in_conv_dim out_conv_dimr;r<rorp conv_biasr?rrJrKrrLlayer_idr!s r"rz"WavLMNoLayerNormConvLayer.__init__s ..s#h!$5f$=#hs)rrrr=r;rZprojrVproj_layer_normrrrqrrr_s `r"rzWavLMAdapter.__init__$s   $ $(:(: : &"4"4f6O6OPDI#%<<0I0I#JD /3 3DI,mm#huVMfMfGg#hh ))r#ch|j.|j"|j|}|j|}|jdd}|jD]D}tj j }|j r||jkDs=||}F|jdd}|SrN)rrrOrnprandomrr)rr'rlayerdrop_probs r"r(zWavLMAdapter.forward1s 99 T%9%9%E IIm4M 00?M%//15 [[ 5EYY--/N==^dnn%D %m 4  5 &//15 r#r)r.s@r"rr#s  *r#rr mask_prob mask_lengthrz min_masksr}c|\}dkr tdkDrtdddtjjdj fd}|-|j j djnt|Dcgc]}c}}tj|ft } g} |} | d k(r| S|D]} || } tjjtj| dz z | d }t|d k(rdz }n|d }tj|tj| | z tj |zg}| j#|tj$| } tj&| dddddf|| f} | j)|| z} tjddddf}tj&||| fj)|| z}| |z} | j+dz kDrdz | | dz kD<tj,| | dd| Scc}w) an Computes random mask spans for a given shape. Used to implement [SpecAugment: A Simple Data Augmentation Method for ASR](https://huggingface.co/papers/1904.08779). Note that this method is not optimized to run on TPU and should be run on CPU as part of the preprocessing during training. Args: shape: The shape for which to compute masks. This should be of a tuple of size 2 where the first element is the batch size and the second element is the length of the axis to span. mask_prob: The percentage of the whole axis (between 0 and 1) which will be masked. The number of independently generated mask spans of length `mask_length` is computed by `mask_prob*shape[1]/mask_length`. Note that due to overlaps, `mask_prob` is an upper bound and the actual percentage will be smaller. mask_length: size of the mask min_masks: minimum number of masked spans attention_mask: A (right-padded) attention mask which independently shortens the feature axis of each batch dimension. rz&`mask_length` has to be bigger than 0.zO`mask_length` has to be smaller than `sequence_length`, but got `mask_length`: z and `sequence_length`: `ct|zz z}t|}|zkDrz}|dz z |krt|dz z d}|S)z;Given input length, compute how many spans should be maskedrr)rmax)rknum_masked_spanepsilonrrrrHs r"compute_num_masked_spanz6_compute_mask_indices..compute_num_masked_spanhsoi,6DwNOoy9 [ (? :-DL'/DL/5/A/A|F+t  r#c8|jjyz Calling this function will disable the gradient computation for the feature encoder so that its parameter will not be updated during training. N)rrrs r"freeze_feature_encoderz!WavLMModel.freeze_feature_encoders 113r#Nr'mask_time_indicesrzct|jdds|S|j\}}}|)|jj |j ||<n|jj dkDr|jrt||f|jj |jj||jj}tj||jtj}|jj |j ||<|jjdkDr|jrt||f|jj|jj |jj"}tj||jtj}|dddfj%d|d}d||<|S) z Masks extracted features along time axis and/or along feature axis according to [SpecAugment](https://huggingface.co/papers/1904.08779). apply_spec_augmentTNr)rrrzr)rr)rrrrS)getattrrLrrrrrrrmask_time_lengthmask_time_min_masksrttensorrrrmask_feature_lengthmask_feature_min_masksexpand)rr'rrzrGrHr=mask_feature_indicess r"_mask_hidden_stateszWavLMModel._mask_hidden_statesst{{$8$? 4A3E3E3G0 O[  (/3/E/E/H/HI\I\/]M+ , [[ ' '! + 5_-++44 KK88-++99 ! !& ->}G[G[chcmcm n /3/E/E/H/HI\I\/]M+ , ;; ( (1 ,#8[)++77 KK;;++<< $ $)<<0D]MaMainisis#t #74#@#G#GO]_#` 23M. /r#rQr|rrr}c H||n|jj}||n|jj}||n|jj}|j |}|j dd}|!|j |jd|d}|j|\} }|j| ||} |j| ||||} | d} |j|j| } |s | |f| ddzSt| || j| j S) a/ mask_time_indices (`torch.BoolTensor` of shape `(batch_size, sequence_length)`, *optional*): Indices to mask extracted features for contrastive loss. When in training mode, model learns to predict masked extracted features in *config.proj_codevector_dim* space. NrrFrv)rrzrzr|rrr)rextract_featuresr'r)rLr|rrrrOr|rrrrrWavLMBaseModelOutputr'r) rrQrzrr|rrkwargsrr'encoder_outputss r"r(zWavLMModel.forwardsb 2C1N-TXT_T_TqTq$8$D $++JjJj &1%uEN+/*A*ABR*S' '00 ->~1 ,, )/!5# ' (* << # LL7M!#34qr7JJ J#+-)77&11   r#)NNNNNNN)r*r+r,rrrrtrrrrrrrrr(r-r.s@r"rrs{(47;26 ,((,!,,t3,((4/ ,\/36:)-,0#'8 llT)8  t+8 !,,t3 8  $; 8 #Tk 8 D[8  % %8 8 r#rrzm WavLM Model with a `language modeling` head on top for Connectionist Temporal Classification (CTC). ) custom_introceZdZddedzffd ZdZdZdZe dde jdzde jdzd e dzd e dzd e dzd e jdzd e e zfdZxZS) WavLMForCTCN target_langct||t||_t j |j |_||_|jtd|jdt|dr|jr |jn |j}t j ||j|_|j%y)a/ target_lang (`str`, *optional*): Language id of adapter weights. Adapter weights are stored in the format adapter..safetensors or adapter..bin. Only relevant when using an instance of [`WavLMForCTC`] with adapters. Uses 'eng' by default. NzYou are trying to instantiate z with a configuration that does not define the vocabulary size of the language model head. Please instantiate the model as follows: `WavLMForCTC.from_pretrained(..., vocab_size=vocab_size)`. or define `vocab_size` of your model's configuration.rd)rrrrPr;r\ final_dropoutr^r vocab_sizermr!rArdrr=rZlm_headr)rrLrrr!s r"rzWavLMForCTC.__init__Ls  ' zz&"6"67 &    $00@AHH *1)GFL^L^F % %djdvdv yy!3V5F5FG  r#c 8ttjdk(ry|j}|&t |j ddt d|d|-t |j ddtjdy||j|dyy) a' This method overwrites [`~PreTrainedModel.tie_weights`] so that adapter weights can be correctly loaded when passing `target_lang=...` to `from_pretrained(...)`. 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Computes the output length of the TDNN layers c||z |zdzS)Nrrrjs r"rmzBWavLMForXVector._get_tdnn_output_lengths.._conv_out_length s!;.69A= =r#r)rLr_)rrcrmr2s r"_get_tdnn_output_lengthsz(WavLMForXVector._get_tdnn_output_lengthss:  >  ;;22 LK,]KKM Lr#NrQrzr|rrrr}c ||n|jj}|jjrdn|}|j|||||}|jjrr|t} t j | d} tjj|jd} | | jdddzjd} n|d} |j| } |jD] } | | } |%| jd} | j!d} n|j#|jd}|j%|}g} g} t'|D]U\}}| j)| |d|fjd| j)| |d|fj!dWt j | } t j | } t j*| | gd}|j-|}|j/|}d}||j1||}|s||f|tdz}||f|zS|St3||||j4|j6S) r>NTrrrrSr)rr embeddingsr'r)rLrr3rPr*rtr?r;r@rCr4rrr6rmr5rTrsrurrrrr8rorr'r)rrQrzr|rrrrrr'r@ tdnn_layer mean_features std_featuresfeat_extract_output_lengthstdnn_output_lengthsrlengthstatistic_poolingoutput_embeddingsrrr/s r"r(zWavLMForXVector.forwards0&1%->r1a-HHMMRSMTM#AJM}5 )) 6J&}5M 6  !)..1.5M(,,,3L*.*O*OP^PbPbghPbPi*j '"&"?"?@["\ ML&':; J 6$$]1gvg:%>%C%C%C%JK##M!WfW*$=$A$Aa$A$HI J"KK 6M ;;|4L!II}l&CL 223DE!23  >>&&1D/07;X;Y3ZZF)-)9TGf$ Ev E(!//))   r#r)r*r+r,rrrrtrrrurrrrrr(r-r.s@r"rkrks &:( e6F6F6L /3)-,0#'&*P llT)P  t+P  $; P #Tk P D[ P  t#P   P P r#rk)rFrr1rkrrOr%)Krrgnumpyrrttorch.nnr;torch.nn.functionalr@rrrrX activationsrintegrations.deepspeedrintegrations.fsdprmodeling_layersr modeling_outputsr r r r rrmodeling_utilsrrr@rrrconfiguration_wavlmr get_loggerr*r Modulerr0rQrdrrrrr%r*rOrrrrrrrrrrndarrayrrrr*rr1rFrMr\rk__all__rr#r"rs  %&!@79Z??,   H % *299*Z 1RYY 1c RYYc Lryy0&2&R"'A"JG 299G TH "))H VC'C'LL?LL^ :*8680#"))#L $299F/3 t c?ttt$$t+ t  t ZZ tn/C %C C L!" 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