diff --git a/animation/SadTalker/checkpoints/.gitkeep b/animation/SadTalker/checkpoints/.gitkeep
index 8b13789..e69de29 100644
--- a/animation/SadTalker/checkpoints/.gitkeep
+++ b/animation/SadTalker/checkpoints/.gitkeep
@@ -1 +0,0 @@
-
diff --git a/animation/SadTalker/inference.py b/animation/SadTalker/inference.py
index 5a405af..4cc0a00 100644
--- a/animation/SadTalker/inference.py
+++ b/animation/SadTalker/inference.py
@@ -3,11 +3,13 @@ import shutil
 import torch
 from time import  strftime
 import os, sys, time
+import platform
 from argparse import ArgumentParser
 
 from src.utils.preprocess import CropAndExtract
 from src.test_audio2coeff import Audio2Coeff  
 from src.facerender.animate import AnimateFromCoeff
+from src.facerender.pirender_animate import AnimateFromCoeff_PIRender
 from src.generate_batch import get_data
 from src.generate_facerender_batch import get_facerender_data
 from src.utils.init_path import init_path
@@ -63,7 +65,12 @@ def main(args):
 
     audio_to_coeff = Audio2Coeff(sadtalker_paths,  device)
     
-    animate_from_coeff = AnimateFromCoeff(sadtalker_paths, device)
+    if args.facerender == 'facevid2vid':
+        animate_from_coeff = AnimateFromCoeff(sadtalker_paths, device)
+    elif args.facerender == 'pirender':
+        animate_from_coeff = AnimateFromCoeff_PIRender(sadtalker_paths, device)
+    else:
+        raise(RuntimeError('Unknown model: {}'.format(args.facerender)))
 
     #crop image and extract 3dmm from image
     first_frame_dir = os.path.join(save_dir, 'first_frame_dir')
@@ -108,8 +115,7 @@ def main(args):
     #coeff2video
     data = get_facerender_data(coeff_path, crop_pic_path, first_coeff_path, audio_path, 
                                 batch_size, input_yaw_list, input_pitch_list, input_roll_list,
-                                expression_scale=args.expression_scale, still_mode=args.still, preprocess=args.preprocess, size=args.size)
-    
+                                expression_scale=args.expression_scale, still_mode=args.still, preprocess=args.preprocess, size=args.size, facemodel=args.facerender)    
     result = animate_from_coeff.generate(data, save_dir, pic_path, crop_info, \
                                 enhancer=args.enhancer, background_enhancer=args.background_enhancer, preprocess=args.preprocess, img_size=args.size)
     
@@ -144,6 +150,7 @@ if __name__ == '__main__':
     parser.add_argument("--preprocess", default='crop', choices=['crop', 'extcrop', 'resize', 'full', 'extfull'], help="how to preprocess the images" ) 
     parser.add_argument("--verbose",action="store_true", help="saving the intermedia output or not" ) 
     parser.add_argument("--old_version",action="store_true", help="use the pth other than safetensor version" )
+    parser.add_argument("--facerender", default='facevid2vid', choices=['pirender', 'facevid2vid'] ) 
 
     # NB(Fakeyou): Added for fakeyou
     parser.add_argument("--result_file", default='./result.mp4', help="path to output file") 
@@ -167,6 +174,8 @@ if __name__ == '__main__':
 
     if torch.cuda.is_available() and not args.cpu:
         args.device = "cuda"
+    elif platform.system() == 'Darwin' and args.facerender == 'pirender': # macos 
+        args.device = "mps"
     else:
         args.device = "cpu"
 
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diff --git a/animation/SadTalker/src/config/facerender_pirender.yaml b/animation/SadTalker/src/config/facerender_pirender.yaml
new file mode 100644
index 0000000..100e513
--- /dev/null
+++ b/animation/SadTalker/src/config/facerender_pirender.yaml
@@ -0,0 +1,81 @@
+# How often do you want to log the training stats.
+# network_list: 
+#     gen: gen_optimizer
+#     dis: dis_optimizer
+
+distributed: False
+image_to_tensorboard: True
+snapshot_save_iter: 40000
+snapshot_save_epoch: 20
+snapshot_save_start_iter: 20000
+snapshot_save_start_epoch: 10
+image_save_iter: 1000
+max_epoch: 200
+logging_iter: 100
+results_dir: ./eval_results
+
+gen_optimizer:
+    type: adam
+    lr: 0.0001
+    adam_beta1: 0.5
+    adam_beta2: 0.999
+    lr_policy:
+        iteration_mode: True
+        type: step
+        step_size: 300000
+        gamma: 0.2
+
+trainer:
+    type: trainers.face_trainer::FaceTrainer
+    pretrain_warp_iteration: 200000
+    loss_weight:
+      weight_perceptual_warp: 2.5
+      weight_perceptual_final: 4
+    vgg_param_warp:
+      network: vgg19
+      layers: ['relu_1_1', 'relu_2_1', 'relu_3_1', 'relu_4_1', 'relu_5_1']
+      use_style_loss: False
+      num_scales: 4
+    vgg_param_final:
+      network: vgg19
+      layers: ['relu_1_1', 'relu_2_1', 'relu_3_1', 'relu_4_1', 'relu_5_1']
+      use_style_loss: True
+      num_scales: 4      
+      style_to_perceptual: 250
+    init:
+      type: 'normal'
+      gain: 0.02
+gen:
+    type: generators.face_model::FaceGenerator
+    param:
+      mapping_net:
+        coeff_nc: 73
+        descriptor_nc: 256
+        layer: 3
+      warpping_net:
+        encoder_layer: 5
+        decoder_layer: 3
+        base_nc: 32
+      editing_net:
+        layer: 3
+        num_res_blocks: 2
+        base_nc: 64
+      common:
+        image_nc: 3
+        descriptor_nc: 256
+        max_nc: 256
+        use_spect: False
+                
+
+# Data options.
+data:
+    type: data.vox_dataset::VoxDataset
+    path: ./dataset/vox_lmdb
+    resolution: 256
+    semantic_radius: 13
+    train:
+      batch_size: 5
+      distributed: True
+    val:
+      batch_size: 8
+      distributed: True
\ No newline at end of file
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diff --git a/animation/SadTalker/src/facerender/modules/__pycache__/util.cpython-38.pyc b/animation/SadTalker/src/facerender/modules/__pycache__/util.cpython-38.pyc
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diff --git a/animation/SadTalker/src/facerender/pirender/base_function.py b/animation/SadTalker/src/facerender/pirender/base_function.py
new file mode 100644
index 0000000..49fe4cf
--- /dev/null
+++ b/animation/SadTalker/src/facerender/pirender/base_function.py
@@ -0,0 +1,368 @@
+import sys
+import math
+
+import torch
+from torch import nn
+from torch.nn import functional as F
+from torch.autograd import Function
+from torch.nn.utils.spectral_norm import spectral_norm as SpectralNorm
+
+
+class LayerNorm2d(nn.Module):
+    def __init__(self, n_out, affine=True):
+        super(LayerNorm2d, self).__init__()
+        self.n_out = n_out
+        self.affine = affine
+
+        if self.affine:
+          self.weight = nn.Parameter(torch.ones(n_out, 1, 1))
+          self.bias = nn.Parameter(torch.zeros(n_out, 1, 1))
+
+    def forward(self, x):
+        normalized_shape = x.size()[1:]
+        if self.affine:
+          return F.layer_norm(x, normalized_shape, \
+              self.weight.expand(normalized_shape), 
+              self.bias.expand(normalized_shape))
+              
+        else:
+          return F.layer_norm(x, normalized_shape)  
+
+class ADAINHourglass(nn.Module):
+    def __init__(self, image_nc, pose_nc, ngf, img_f, encoder_layers, decoder_layers, nonlinearity, use_spect):
+        super(ADAINHourglass, self).__init__()
+        self.encoder = ADAINEncoder(image_nc, pose_nc, ngf, img_f, encoder_layers, nonlinearity, use_spect)
+        self.decoder = ADAINDecoder(pose_nc, ngf, img_f, encoder_layers, decoder_layers, True, nonlinearity, use_spect)
+        self.output_nc = self.decoder.output_nc
+
+    def forward(self, x, z):
+        return self.decoder(self.encoder(x, z), z)                 
+
+
+
+class ADAINEncoder(nn.Module):
+    def __init__(self, image_nc, pose_nc, ngf, img_f, layers, nonlinearity=nn.LeakyReLU(), use_spect=False):
+        super(ADAINEncoder, self).__init__()
+        self.layers = layers
+        self.input_layer = nn.Conv2d(image_nc, ngf, kernel_size=7, stride=1, padding=3)
+        for i in range(layers):
+            in_channels = min(ngf * (2**i), img_f)
+            out_channels = min(ngf *(2**(i+1)), img_f)
+            model = ADAINEncoderBlock(in_channels, out_channels, pose_nc, nonlinearity, use_spect)
+            setattr(self, 'encoder' + str(i), model)
+        self.output_nc = out_channels
+        
+    def forward(self, x, z):
+        out = self.input_layer(x)
+        out_list = [out]
+        for i in range(self.layers):
+            model = getattr(self, 'encoder' + str(i))
+            out = model(out, z)
+            out_list.append(out)
+        return out_list
+        
+class ADAINDecoder(nn.Module):
+    """docstring for ADAINDecoder"""
+    def __init__(self, pose_nc, ngf, img_f, encoder_layers, decoder_layers, skip_connect=True, 
+                 nonlinearity=nn.LeakyReLU(), use_spect=False):
+
+        super(ADAINDecoder, self).__init__()
+        self.encoder_layers = encoder_layers
+        self.decoder_layers = decoder_layers
+        self.skip_connect = skip_connect
+        use_transpose = True
+
+        for i in range(encoder_layers-decoder_layers, encoder_layers)[::-1]:
+            in_channels = min(ngf * (2**(i+1)), img_f)
+            in_channels = in_channels*2 if i != (encoder_layers-1) and self.skip_connect else in_channels
+            out_channels = min(ngf * (2**i), img_f)
+            model = ADAINDecoderBlock(in_channels, out_channels, out_channels, pose_nc, use_transpose, nonlinearity, use_spect)
+            setattr(self, 'decoder' + str(i), model)
+
+        self.output_nc = out_channels*2 if self.skip_connect else out_channels
+
+    def forward(self, x, z):
+        out = x.pop() if self.skip_connect else x
+        for i in range(self.encoder_layers-self.decoder_layers, self.encoder_layers)[::-1]:
+            model = getattr(self, 'decoder' + str(i))
+            out = model(out, z)
+            out = torch.cat([out, x.pop()], 1) if self.skip_connect else out
+        return out
+
+class ADAINEncoderBlock(nn.Module):       
+    def __init__(self, input_nc, output_nc, feature_nc, nonlinearity=nn.LeakyReLU(), use_spect=False):
+        super(ADAINEncoderBlock, self).__init__()
+        kwargs_down = {'kernel_size': 4, 'stride': 2, 'padding': 1}
+        kwargs_fine = {'kernel_size': 3, 'stride': 1, 'padding': 1}
+
+        self.conv_0 = spectral_norm(nn.Conv2d(input_nc,  output_nc, **kwargs_down), use_spect)
+        self.conv_1 = spectral_norm(nn.Conv2d(output_nc, output_nc, **kwargs_fine), use_spect)
+
+
+        self.norm_0 = ADAIN(input_nc, feature_nc)
+        self.norm_1 = ADAIN(output_nc, feature_nc)
+        self.actvn = nonlinearity
+
+    def forward(self, x, z):
+        x = self.conv_0(self.actvn(self.norm_0(x, z)))
+        x = self.conv_1(self.actvn(self.norm_1(x, z)))
+        return x
+
+class ADAINDecoderBlock(nn.Module):
+    def __init__(self, input_nc, output_nc, hidden_nc, feature_nc, use_transpose=True, nonlinearity=nn.LeakyReLU(), use_spect=False):
+        super(ADAINDecoderBlock, self).__init__()        
+        # Attributes
+        self.actvn = nonlinearity
+        hidden_nc = min(input_nc, output_nc) if hidden_nc is None else hidden_nc
+
+        kwargs_fine = {'kernel_size':3, 'stride':1, 'padding':1}
+        if use_transpose:
+            kwargs_up = {'kernel_size':3, 'stride':2, 'padding':1, 'output_padding':1}
+        else:
+            kwargs_up = {'kernel_size':3, 'stride':1, 'padding':1}
+
+        # create conv layers
+        self.conv_0 = spectral_norm(nn.Conv2d(input_nc, hidden_nc, **kwargs_fine), use_spect)
+        if use_transpose:
+            self.conv_1 = spectral_norm(nn.ConvTranspose2d(hidden_nc, output_nc, **kwargs_up), use_spect)
+            self.conv_s = spectral_norm(nn.ConvTranspose2d(input_nc, output_nc, **kwargs_up), use_spect)
+        else:
+            self.conv_1 = nn.Sequential(spectral_norm(nn.Conv2d(hidden_nc, output_nc, **kwargs_up), use_spect),
+                                        nn.Upsample(scale_factor=2))
+            self.conv_s = nn.Sequential(spectral_norm(nn.Conv2d(input_nc, output_nc, **kwargs_up), use_spect),
+                                        nn.Upsample(scale_factor=2))
+        # define normalization layers
+        self.norm_0 = ADAIN(input_nc, feature_nc)
+        self.norm_1 = ADAIN(hidden_nc, feature_nc)
+        self.norm_s = ADAIN(input_nc, feature_nc)
+        
+    def forward(self, x, z):
+        x_s = self.shortcut(x, z)
+        dx = self.conv_0(self.actvn(self.norm_0(x, z)))
+        dx = self.conv_1(self.actvn(self.norm_1(dx, z)))
+        out = x_s + dx
+        return out
+
+    def shortcut(self, x, z):
+        x_s = self.conv_s(self.actvn(self.norm_s(x, z)))
+        return x_s              
+
+
+def spectral_norm(module, use_spect=True):
+    """use spectral normal layer to stable the training process"""
+    if use_spect:
+        return SpectralNorm(module)
+    else:
+        return module
+
+
+class ADAIN(nn.Module):
+    def __init__(self, norm_nc, feature_nc):
+        super().__init__()
+
+        self.param_free_norm = nn.InstanceNorm2d(norm_nc, affine=False)
+
+        nhidden = 128
+        use_bias=True
+
+        self.mlp_shared = nn.Sequential(
+            nn.Linear(feature_nc, nhidden, bias=use_bias),            
+            nn.ReLU()
+        )
+        self.mlp_gamma = nn.Linear(nhidden, norm_nc, bias=use_bias)    
+        self.mlp_beta = nn.Linear(nhidden, norm_nc, bias=use_bias)    
+
+    def forward(self, x, feature):
+
+        # Part 1. generate parameter-free normalized activations
+        normalized = self.param_free_norm(x)
+
+        # Part 2. produce scaling and bias conditioned on feature
+        feature = feature.view(feature.size(0), -1)
+        actv = self.mlp_shared(feature)
+        gamma = self.mlp_gamma(actv)
+        beta = self.mlp_beta(actv)
+
+        # apply scale and bias
+        gamma = gamma.view(*gamma.size()[:2], 1,1)
+        beta = beta.view(*beta.size()[:2], 1,1)
+        out = normalized * (1 + gamma) + beta
+        return out
+
+
+class FineEncoder(nn.Module):
+    """docstring for Encoder"""
+    def __init__(self, image_nc, ngf, img_f, layers, norm_layer=nn.BatchNorm2d, nonlinearity=nn.LeakyReLU(), use_spect=False):
+        super(FineEncoder, self).__init__()
+        self.layers = layers
+        self.first = FirstBlock2d(image_nc, ngf, norm_layer, nonlinearity, use_spect)
+        for i in range(layers):
+            in_channels = min(ngf*(2**i), img_f)
+            out_channels = min(ngf*(2**(i+1)), img_f)
+            model = DownBlock2d(in_channels, out_channels, norm_layer, nonlinearity, use_spect)
+            setattr(self, 'down' + str(i), model)
+        self.output_nc = out_channels
+
+    def forward(self, x):
+        x = self.first(x)
+        out=[x]
+        for i in range(self.layers):
+            model = getattr(self, 'down'+str(i))
+            x = model(x)
+            out.append(x)
+        return out
+
+class FineDecoder(nn.Module):
+    """docstring for FineDecoder"""
+    def __init__(self, image_nc, feature_nc, ngf, img_f, layers, num_block, norm_layer=nn.BatchNorm2d, nonlinearity=nn.LeakyReLU(), use_spect=False):
+        super(FineDecoder, self).__init__()
+        self.layers = layers
+        for i in range(layers)[::-1]:
+            in_channels = min(ngf*(2**(i+1)), img_f)
+            out_channels = min(ngf*(2**i), img_f)
+            up = UpBlock2d(in_channels, out_channels, norm_layer, nonlinearity, use_spect)
+            res = FineADAINResBlocks(num_block, in_channels, feature_nc, norm_layer, nonlinearity, use_spect)
+            jump = Jump(out_channels, norm_layer, nonlinearity, use_spect)
+
+            setattr(self, 'up' + str(i), up)
+            setattr(self, 'res' + str(i), res)            
+            setattr(self, 'jump' + str(i), jump)
+
+        self.final = FinalBlock2d(out_channels, image_nc, use_spect, 'tanh')
+
+        self.output_nc = out_channels
+
+    def forward(self, x, z):
+        out = x.pop()
+        for i in range(self.layers)[::-1]:
+            res_model = getattr(self, 'res' + str(i))
+            up_model = getattr(self, 'up' + str(i))
+            jump_model = getattr(self, 'jump' + str(i))
+            out = res_model(out, z)
+            out = up_model(out)
+            out = jump_model(x.pop()) + out
+        out_image = self.final(out)
+        return out_image
+
+class FirstBlock2d(nn.Module):
+    """
+    Downsampling block for use in encoder.
+    """
+    def __init__(self, input_nc, output_nc, norm_layer=nn.BatchNorm2d, nonlinearity=nn.LeakyReLU(), use_spect=False):
+        super(FirstBlock2d, self).__init__()
+        kwargs = {'kernel_size': 7, 'stride': 1, 'padding': 3}
+        conv = spectral_norm(nn.Conv2d(input_nc, output_nc, **kwargs), use_spect)
+
+        if type(norm_layer) == type(None):
+            self.model = nn.Sequential(conv, nonlinearity)
+        else:
+            self.model = nn.Sequential(conv, norm_layer(output_nc), nonlinearity)
+
+
+    def forward(self, x):
+        out = self.model(x)
+        return out  
+
+class DownBlock2d(nn.Module):
+    def __init__(self, input_nc, output_nc, norm_layer=nn.BatchNorm2d, nonlinearity=nn.LeakyReLU(), use_spect=False):
+        super(DownBlock2d, self).__init__()
+
+
+        kwargs = {'kernel_size': 3, 'stride': 1, 'padding': 1}
+        conv = spectral_norm(nn.Conv2d(input_nc, output_nc, **kwargs), use_spect)
+        pool = nn.AvgPool2d(kernel_size=(2, 2))
+
+        if type(norm_layer) == type(None):
+            self.model = nn.Sequential(conv, nonlinearity, pool)
+        else:
+            self.model = nn.Sequential(conv, norm_layer(output_nc), nonlinearity, pool)
+
+    def forward(self, x):
+        out = self.model(x)
+        return out 
+
+class UpBlock2d(nn.Module):
+    def __init__(self, input_nc, output_nc, norm_layer=nn.BatchNorm2d, nonlinearity=nn.LeakyReLU(), use_spect=False):
+        super(UpBlock2d, self).__init__()
+        kwargs = {'kernel_size': 3, 'stride': 1, 'padding': 1}
+        conv = spectral_norm(nn.Conv2d(input_nc, output_nc, **kwargs), use_spect)
+        if type(norm_layer) == type(None):
+            self.model = nn.Sequential(conv, nonlinearity)
+        else:
+            self.model = nn.Sequential(conv, norm_layer(output_nc), nonlinearity)
+
+    def forward(self, x):
+        out = self.model(F.interpolate(x, scale_factor=2))
+        return out
+
+class FineADAINResBlocks(nn.Module):
+    def __init__(self, num_block, input_nc, feature_nc, norm_layer=nn.BatchNorm2d, nonlinearity=nn.LeakyReLU(), use_spect=False):
+        super(FineADAINResBlocks, self).__init__()                                
+        self.num_block = num_block
+        for i in range(num_block):
+            model = FineADAINResBlock2d(input_nc, feature_nc, norm_layer, nonlinearity, use_spect)
+            setattr(self, 'res'+str(i), model)
+
+    def forward(self, x, z):
+        for i in range(self.num_block):
+            model = getattr(self, 'res'+str(i))
+            x = model(x, z)
+        return x     
+
+class Jump(nn.Module):
+    def __init__(self, input_nc, norm_layer=nn.BatchNorm2d, nonlinearity=nn.LeakyReLU(), use_spect=False):
+        super(Jump, self).__init__()
+        kwargs = {'kernel_size': 3, 'stride': 1, 'padding': 1}
+        conv = spectral_norm(nn.Conv2d(input_nc, input_nc, **kwargs), use_spect)
+
+        if type(norm_layer) == type(None):
+            self.model = nn.Sequential(conv, nonlinearity)
+        else:
+            self.model = nn.Sequential(conv, norm_layer(input_nc), nonlinearity)
+
+    def forward(self, x):
+        out = self.model(x)
+        return out          
+
+class FineADAINResBlock2d(nn.Module):
+    """
+    Define an Residual block for different types
+    """
+    def __init__(self, input_nc, feature_nc, norm_layer=nn.BatchNorm2d, nonlinearity=nn.LeakyReLU(), use_spect=False):
+        super(FineADAINResBlock2d, self).__init__()
+
+        kwargs = {'kernel_size': 3, 'stride': 1, 'padding': 1}
+
+        self.conv1 = spectral_norm(nn.Conv2d(input_nc, input_nc, **kwargs), use_spect)
+        self.conv2 = spectral_norm(nn.Conv2d(input_nc, input_nc, **kwargs), use_spect)
+        self.norm1 = ADAIN(input_nc, feature_nc)
+        self.norm2 = ADAIN(input_nc, feature_nc)
+
+        self.actvn = nonlinearity
+
+
+    def forward(self, x, z):
+        dx = self.actvn(self.norm1(self.conv1(x), z))
+        dx = self.norm2(self.conv2(x), z)
+        out = dx + x
+        return out        
+
+class FinalBlock2d(nn.Module):
+    """
+    Define the output layer
+    """
+    def __init__(self, input_nc, output_nc, use_spect=False, tanh_or_sigmoid='tanh'):
+        super(FinalBlock2d, self).__init__()
+
+        kwargs = {'kernel_size': 7, 'stride': 1, 'padding':3}
+        conv = spectral_norm(nn.Conv2d(input_nc, output_nc, **kwargs), use_spect)
+
+        if tanh_or_sigmoid == 'sigmoid':
+            out_nonlinearity = nn.Sigmoid()
+        else:
+            out_nonlinearity = nn.Tanh()            
+
+        self.model = nn.Sequential(conv, out_nonlinearity)
+    def forward(self, x):
+        out = self.model(x)
+        return out          
\ No newline at end of file
diff --git a/animation/SadTalker/src/facerender/pirender/config.py b/animation/SadTalker/src/facerender/pirender/config.py
new file mode 100644
index 0000000..3650582
--- /dev/null
+++ b/animation/SadTalker/src/facerender/pirender/config.py
@@ -0,0 +1,211 @@
+import collections
+import functools
+import os
+import re
+
+import yaml
+
+class AttrDict(dict):
+    """Dict as attribute trick."""
+
+    def __init__(self, *args, **kwargs):
+        super(AttrDict, self).__init__(*args, **kwargs)
+        self.__dict__ = self
+        for key, value in self.__dict__.items():
+            if isinstance(value, dict):
+                self.__dict__[key] = AttrDict(value)
+            elif isinstance(value, (list, tuple)):
+                if isinstance(value[0], dict):
+                    self.__dict__[key] = [AttrDict(item) for item in value]
+                else:
+                    self.__dict__[key] = value
+
+    def yaml(self):
+        """Convert object to yaml dict and return."""
+        yaml_dict = {}
+        for key, value in self.__dict__.items():
+            if isinstance(value, AttrDict):
+                yaml_dict[key] = value.yaml()
+            elif isinstance(value, list):
+                if isinstance(value[0], AttrDict):
+                    new_l = []
+                    for item in value:
+                        new_l.append(item.yaml())
+                    yaml_dict[key] = new_l
+                else:
+                    yaml_dict[key] = value
+            else:
+                yaml_dict[key] = value
+        return yaml_dict
+
+    def __repr__(self):
+        """Print all variables."""
+        ret_str = []
+        for key, value in self.__dict__.items():
+            if isinstance(value, AttrDict):
+                ret_str.append('{}:'.format(key))
+                child_ret_str = value.__repr__().split('\n')
+                for item in child_ret_str:
+                    ret_str.append('    ' + item)
+            elif isinstance(value, list):
+                if isinstance(value[0], AttrDict):
+                    ret_str.append('{}:'.format(key))
+                    for item in value:
+                        # Treat as AttrDict above.
+                        child_ret_str = item.__repr__().split('\n')
+                        for item in child_ret_str:
+                            ret_str.append('    ' + item)
+                else:
+                    ret_str.append('{}: {}'.format(key, value))
+            else:
+                ret_str.append('{}: {}'.format(key, value))
+        return '\n'.join(ret_str)
+
+
+class Config(AttrDict):
+    r"""Configuration class. This should include every human specifiable
+    hyperparameter values for your training."""
+
+    def __init__(self, filename=None, args=None, verbose=False, is_train=True):
+        super(Config, self).__init__()
+        # Set default parameters.
+        # Logging.
+
+        large_number = 1000000000
+        self.snapshot_save_iter = large_number
+        self.snapshot_save_epoch = large_number
+        self.snapshot_save_start_iter = 0
+        self.snapshot_save_start_epoch = 0
+        self.image_save_iter = large_number
+        self.eval_epoch = large_number
+        self.start_eval_epoch = large_number
+        self.eval_epoch = large_number
+        self.max_epoch = large_number
+        self.max_iter = large_number
+        self.logging_iter = 100
+        self.image_to_tensorboard=False
+        self.which_iter = 0 # args.which_iter
+        self.resume = False
+
+        self.checkpoints_dir = '/Users/shadowcun/Downloads/'
+        self.name = 'face'
+        self.phase = 'train' if is_train else 'test'
+
+        # Networks.
+        self.gen = AttrDict(type='generators.dummy')
+        self.dis = AttrDict(type='discriminators.dummy')
+
+        # Optimizers.
+        self.gen_optimizer = AttrDict(type='adam',
+                                    lr=0.0001,
+                                    adam_beta1=0.0,
+                                    adam_beta2=0.999,
+                                    eps=1e-8,
+                                    lr_policy=AttrDict(iteration_mode=False,
+                                                    type='step',
+                                                    step_size=large_number,
+                                                    gamma=1))
+        self.dis_optimizer = AttrDict(type='adam',
+                                lr=0.0001,
+                                adam_beta1=0.0,
+                                adam_beta2=0.999,
+                                eps=1e-8,
+                                lr_policy=AttrDict(iteration_mode=False,
+                                                   type='step',
+                                                   step_size=large_number,
+                                                   gamma=1))
+        # Data.
+        self.data = AttrDict(name='dummy',
+                             type='datasets.images',
+                             num_workers=0)
+        self.test_data = AttrDict(name='dummy',
+                                  type='datasets.images',
+                                  num_workers=0,
+                                  test=AttrDict(is_lmdb=False,
+                                                roots='',
+                                                batch_size=1))
+        self.trainer = AttrDict(
+            model_average=False,
+            model_average_beta=0.9999,
+            model_average_start_iteration=1000,
+            model_average_batch_norm_estimation_iteration=30,
+            model_average_remove_sn=True,
+            image_to_tensorboard=False,
+            hparam_to_tensorboard=False,
+            distributed_data_parallel='pytorch',
+            delay_allreduce=True,
+            gan_relativistic=False,
+            gen_step=1,
+            dis_step=1)
+
+        # # Cudnn.
+        self.cudnn = AttrDict(deterministic=False,
+                              benchmark=True)
+
+        # Others.
+        self.pretrained_weight = ''
+        self.inference_args = AttrDict()
+
+
+        # Update with given configurations.
+        assert os.path.exists(filename), 'File {} not exist.'.format(filename)
+        loader = yaml.SafeLoader
+        loader.add_implicit_resolver(
+            u'tag:yaml.org,2002:float',
+            re.compile(u'''^(?:
+             [-+]?(?:[0-9][0-9_]*)\\.[0-9_]*(?:[eE][-+]?[0-9]+)?
+            |[-+]?(?:[0-9][0-9_]*)(?:[eE][-+]?[0-9]+)
+            |\\.[0-9_]+(?:[eE][-+][0-9]+)?
+            |[-+]?[0-9][0-9_]*(?::[0-5]?[0-9])+\\.[0-9_]*
+            |[-+]?\\.(?:inf|Inf|INF)
+            |\\.(?:nan|NaN|NAN))$''', re.X),
+            list(u'-+0123456789.'))
+        try:
+            with open(filename, 'r') as f:
+                cfg_dict = yaml.load(f, Loader=loader)
+        except EnvironmentError:
+            print('Please check the file with name of "%s"', filename)
+        recursive_update(self, cfg_dict)
+
+        # Put common opts in both gen and dis.
+        if 'common' in cfg_dict:
+            self.common = AttrDict(**cfg_dict['common'])
+            self.gen.common = self.common
+            self.dis.common = self.common
+
+
+        if verbose:
+            print(' config '.center(80, '-'))
+            print(self.__repr__())
+            print(''.center(80, '-'))
+
+
+def rsetattr(obj, attr, val):
+    """Recursively find object and set value"""
+    pre, _, post = attr.rpartition('.')
+    return setattr(rgetattr(obj, pre) if pre else obj, post, val)
+
+
+def rgetattr(obj, attr, *args):
+    """Recursively find object and return value"""
+
+    def _getattr(obj, attr):
+        r"""Get attribute."""
+        return getattr(obj, attr, *args)
+
+    return functools.reduce(_getattr, [obj] + attr.split('.'))
+
+
+def recursive_update(d, u):
+    """Recursively update AttrDict d with AttrDict u"""
+    for key, value in u.items():
+        if isinstance(value, collections.abc.Mapping):
+            d.__dict__[key] = recursive_update(d.get(key, AttrDict({})), value)
+        elif isinstance(value, (list, tuple)):
+            if isinstance(value[0], dict):
+                d.__dict__[key] = [AttrDict(item) for item in value]
+            else:
+                d.__dict__[key] = value
+        else:
+            d.__dict__[key] = value
+    return d
\ No newline at end of file
diff --git a/animation/SadTalker/src/facerender/pirender/face_model.py b/animation/SadTalker/src/facerender/pirender/face_model.py
new file mode 100644
index 0000000..4a7840a
--- /dev/null
+++ b/animation/SadTalker/src/facerender/pirender/face_model.py
@@ -0,0 +1,178 @@
+import functools
+import torch
+import torch.nn as nn
+from .base_function import LayerNorm2d, ADAINHourglass, FineEncoder, FineDecoder
+
+def convert_flow_to_deformation(flow):
+    r"""convert flow fields to deformations.
+
+    Args:
+        flow (tensor): Flow field obtained by the model
+    Returns:
+        deformation (tensor): The deformation used for warpping
+    """
+    b,c,h,w = flow.shape
+    flow_norm = 2 * torch.cat([flow[:,:1,...]/(w-1),flow[:,1:,...]/(h-1)], 1)
+    grid = make_coordinate_grid(flow)
+    deformation = grid + flow_norm.permute(0,2,3,1)
+    return deformation
+
+def make_coordinate_grid(flow):
+    r"""obtain coordinate grid with the same size as the flow filed.
+
+    Args:
+        flow (tensor): Flow field obtained by the model
+    Returns:
+        grid (tensor): The grid with the same size as the input flow
+    """    
+    b,c,h,w = flow.shape
+
+    x = torch.arange(w).to(flow)
+    y = torch.arange(h).to(flow)
+
+    x = (2 * (x / (w - 1)) - 1)
+    y = (2 * (y / (h - 1)) - 1)
+
+    yy = y.view(-1, 1).repeat(1, w)
+    xx = x.view(1, -1).repeat(h, 1)
+
+    meshed = torch.cat([xx.unsqueeze_(2), yy.unsqueeze_(2)], 2)
+    meshed = meshed.expand(b, -1, -1, -1)
+    return meshed    
+
+    
+def warp_image(source_image, deformation):
+    r"""warp the input image according to the deformation
+
+    Args:
+        source_image (tensor): source images to be warpped
+        deformation (tensor): deformations used to warp the images; value in range (-1, 1)
+    Returns:
+        output (tensor): the warpped images
+    """ 
+    _, h_old, w_old, _ = deformation.shape
+    _, _, h, w = source_image.shape
+    if h_old != h or w_old != w:
+        deformation = deformation.permute(0, 3, 1, 2)
+        deformation = torch.nn.functional.interpolate(deformation, size=(h, w), mode='bilinear')
+        deformation = deformation.permute(0, 2, 3, 1)
+    return torch.nn.functional.grid_sample(source_image, deformation) 
+
+
+class FaceGenerator(nn.Module):
+    def __init__(
+        self, 
+        mapping_net, 
+        warpping_net, 
+        editing_net, 
+        common
+        ):  
+        super(FaceGenerator, self).__init__()
+        self.mapping_net = MappingNet(**mapping_net)
+        self.warpping_net = WarpingNet(**warpping_net, **common)
+        self.editing_net = EditingNet(**editing_net, **common)
+ 
+    def forward(
+        self, 
+        input_image, 
+        driving_source, 
+        stage=None
+        ):
+        if stage == 'warp':
+            descriptor = self.mapping_net(driving_source)
+            output = self.warpping_net(input_image, descriptor)
+        else:
+            descriptor = self.mapping_net(driving_source)
+            output = self.warpping_net(input_image, descriptor)
+            output['fake_image'] = self.editing_net(input_image, output['warp_image'], descriptor)
+        return output
+
+class MappingNet(nn.Module):
+    def __init__(self, coeff_nc, descriptor_nc, layer):
+        super( MappingNet, self).__init__()
+
+        self.layer = layer
+        nonlinearity = nn.LeakyReLU(0.1)
+
+        self.first = nn.Sequential(
+            torch.nn.Conv1d(coeff_nc, descriptor_nc, kernel_size=7, padding=0, bias=True))
+
+        for i in range(layer):
+            net = nn.Sequential(nonlinearity,
+                torch.nn.Conv1d(descriptor_nc, descriptor_nc, kernel_size=3, padding=0, dilation=3))
+            setattr(self, 'encoder' + str(i), net)   
+
+        self.pooling = nn.AdaptiveAvgPool1d(1)
+        self.output_nc = descriptor_nc
+
+    def forward(self, input_3dmm):
+        out = self.first(input_3dmm)
+        for i in range(self.layer):
+            model = getattr(self, 'encoder' + str(i))
+            out = model(out) + out[:,:,3:-3]
+        out = self.pooling(out)
+        return out   
+
+class WarpingNet(nn.Module):
+    def __init__(
+        self, 
+        image_nc, 
+        descriptor_nc, 
+        base_nc, 
+        max_nc, 
+        encoder_layer, 
+        decoder_layer, 
+        use_spect
+        ):
+        super( WarpingNet, self).__init__()
+
+        nonlinearity = nn.LeakyReLU(0.1)
+        norm_layer = functools.partial(LayerNorm2d, affine=True) 
+        kwargs = {'nonlinearity':nonlinearity, 'use_spect':use_spect}
+
+        self.descriptor_nc = descriptor_nc 
+        self.hourglass = ADAINHourglass(image_nc, self.descriptor_nc, base_nc,
+                                       max_nc, encoder_layer, decoder_layer, **kwargs)
+
+        self.flow_out = nn.Sequential(norm_layer(self.hourglass.output_nc), 
+                                      nonlinearity,
+                                      nn.Conv2d(self.hourglass.output_nc, 2, kernel_size=7, stride=1, padding=3))
+
+        self.pool = nn.AdaptiveAvgPool2d(1)
+
+    def forward(self, input_image, descriptor):
+        final_output={}
+        output = self.hourglass(input_image, descriptor)
+        final_output['flow_field'] = self.flow_out(output)
+
+        deformation = convert_flow_to_deformation(final_output['flow_field'])
+        final_output['warp_image'] = warp_image(input_image, deformation)
+        return final_output
+
+
+class EditingNet(nn.Module):
+    def __init__(
+        self, 
+        image_nc, 
+        descriptor_nc, 
+        layer, 
+        base_nc, 
+        max_nc, 
+        num_res_blocks, 
+        use_spect):  
+        super(EditingNet, self).__init__()
+
+        nonlinearity = nn.LeakyReLU(0.1)
+        norm_layer = functools.partial(LayerNorm2d, affine=True) 
+        kwargs = {'norm_layer':norm_layer, 'nonlinearity':nonlinearity, 'use_spect':use_spect}
+        self.descriptor_nc = descriptor_nc
+
+        # encoder part
+        self.encoder = FineEncoder(image_nc*2, base_nc, max_nc, layer, **kwargs)
+        self.decoder = FineDecoder(image_nc, self.descriptor_nc, base_nc, max_nc, layer, num_res_blocks, **kwargs)
+
+    def forward(self, input_image, warp_image, descriptor):
+        x = torch.cat([input_image, warp_image], 1)
+        x = self.encoder(x)
+        gen_image = self.decoder(x, descriptor)
+        return gen_image
\ No newline at end of file
diff --git a/animation/SadTalker/src/facerender/pirender_animate.py b/animation/SadTalker/src/facerender/pirender_animate.py
new file mode 100644
index 0000000..61a30ef
--- /dev/null
+++ b/animation/SadTalker/src/facerender/pirender_animate.py
@@ -0,0 +1,129 @@
+import os
+import cv2
+from tqdm import tqdm
+import yaml
+import numpy as np
+import warnings
+from skimage import img_as_ubyte
+import safetensors
+import safetensors.torch 
+warnings.filterwarnings('ignore')
+
+
+import imageio
+import torch
+
+from src.facerender.pirender.config import Config
+from src.facerender.pirender.face_model import FaceGenerator
+
+from pydub import AudioSegment 
+from src.utils.face_enhancer import enhancer_generator_with_len, enhancer_list
+from src.utils.paste_pic import paste_pic
+from src.utils.videoio import save_video_with_watermark
+
+try:
+    import webui  # in webui
+    in_webui = True
+except:
+    in_webui = False
+
+class AnimateFromCoeff_PIRender():
+
+    def __init__(self, sadtalker_path, device):
+
+        opt = Config(sadtalker_path['pirender_yaml_path'], None, is_train=False)
+        opt.device = device
+        self.net_G_ema = FaceGenerator(**opt.gen.param).to(opt.device)
+        checkpoint_path = sadtalker_path['pirender_checkpoint']
+        checkpoint = torch.load(checkpoint_path, map_location=lambda storage, loc: storage)
+        self.net_G_ema.load_state_dict(checkpoint['net_G_ema'], strict=False)
+        print('load [net_G] and [net_G_ema] from {}'.format(checkpoint_path))
+        self.net_G = self.net_G_ema.eval()
+        self.device = device
+    
+
+    def generate(self, x, video_save_dir, pic_path, crop_info, enhancer=None, background_enhancer=None, preprocess='crop', img_size=256):
+
+        source_image=x['source_image'].type(torch.FloatTensor)
+        source_semantics=x['source_semantics'].type(torch.FloatTensor)
+        target_semantics=x['target_semantics_list'].type(torch.FloatTensor) 
+        source_image=source_image.to(self.device)
+        source_semantics=source_semantics.to(self.device)
+        target_semantics=target_semantics.to(self.device)
+        frame_num = x['frame_num']
+        
+        with torch.no_grad():
+            predictions_video = []
+            for i in tqdm(range(target_semantics.shape[1]), 'FaceRender:'):
+                 predictions_video.append(self.net_G(source_image, target_semantics[:, i])['fake_image'])
+        
+        predictions_video = torch.stack(predictions_video, dim=1)
+        predictions_video = predictions_video.reshape((-1,)+predictions_video.shape[2:])
+
+        video = []
+        for idx in range(len(predictions_video)):
+            image = predictions_video[idx]
+            image = np.transpose(image.data.cpu().numpy(), [1, 2, 0]).astype(np.float32)
+            video.append(image)
+        result = img_as_ubyte(video)
+
+        ### the generated video is 256x256, so we keep the aspect ratio, 
+        original_size = crop_info[0]
+        if original_size:
+            result = [ cv2.resize(result_i,(img_size, int(img_size * original_size[1]/original_size[0]) )) for result_i in result ]
+        
+        video_name = x['video_name']  + '.mp4'
+        path = os.path.join(video_save_dir, 'temp_'+video_name)
+        
+        imageio.mimsave(path, result,  fps=float(25))
+
+        av_path = os.path.join(video_save_dir, video_name)
+        return_path = av_path 
+        
+        audio_path =  x['audio_path'] 
+        audio_name = os.path.splitext(os.path.split(audio_path)[-1])[0]
+        new_audio_path = os.path.join(video_save_dir, audio_name+'.wav')
+        start_time = 0
+        # cog will not keep the .mp3 filename
+        sound = AudioSegment.from_file(audio_path)
+        frames = frame_num 
+        end_time = start_time + frames*1/25*1000
+        word1=sound.set_frame_rate(16000)
+        word = word1[start_time:end_time]
+        word.export(new_audio_path, format="wav")
+
+        save_video_with_watermark(path, new_audio_path, av_path, watermark= False)
+        print(f'The generated video is named {video_save_dir}/{video_name}') 
+
+        if 'full' in preprocess.lower():
+            # only add watermark to the full image.
+            video_name_full = x['video_name']  + '_full.mp4'
+            full_video_path = os.path.join(video_save_dir, video_name_full)
+            return_path = full_video_path
+            paste_pic(path, pic_path, crop_info, new_audio_path, full_video_path, extended_crop= True if 'ext' in preprocess.lower() else False)
+            print(f'The generated video is named {video_save_dir}/{video_name_full}') 
+        else:
+            full_video_path = av_path 
+
+        #### paste back then enhancers
+        if enhancer:
+            video_name_enhancer = x['video_name']  + '_enhanced.mp4'
+            enhanced_path = os.path.join(video_save_dir, 'temp_'+video_name_enhancer)
+            av_path_enhancer = os.path.join(video_save_dir, video_name_enhancer) 
+            return_path = av_path_enhancer
+
+            try:
+                enhanced_images_gen_with_len = enhancer_generator_with_len(full_video_path, method=enhancer, bg_upsampler=background_enhancer)
+                imageio.mimsave(enhanced_path, enhanced_images_gen_with_len, fps=float(25))
+            except:
+                enhanced_images_gen_with_len = enhancer_list(full_video_path, method=enhancer, bg_upsampler=background_enhancer)
+                imageio.mimsave(enhanced_path, enhanced_images_gen_with_len, fps=float(25))
+            
+            save_video_with_watermark(enhanced_path, new_audio_path, av_path_enhancer, watermark= False)
+            print(f'The generated video is named {video_save_dir}/{video_name_enhancer}')
+            os.remove(enhanced_path)
+
+        os.remove(path)
+        os.remove(new_audio_path)
+
+        return return_path
\ No newline at end of file
diff --git a/animation/SadTalker/src/facerender/sync_batchnorm/__pycache__/__init__.cpython-38.pyc b/animation/SadTalker/src/facerender/sync_batchnorm/__pycache__/__init__.cpython-38.pyc
index 52145db..e3b1d8b 100644
Binary files a/animation/SadTalker/src/facerender/sync_batchnorm/__pycache__/__init__.cpython-38.pyc and b/animation/SadTalker/src/facerender/sync_batchnorm/__pycache__/__init__.cpython-38.pyc differ
diff --git a/animation/SadTalker/src/facerender/sync_batchnorm/__pycache__/batchnorm.cpython-38.pyc b/animation/SadTalker/src/facerender/sync_batchnorm/__pycache__/batchnorm.cpython-38.pyc
index e7f0ba1..4fd223a 100644
Binary files a/animation/SadTalker/src/facerender/sync_batchnorm/__pycache__/batchnorm.cpython-38.pyc and b/animation/SadTalker/src/facerender/sync_batchnorm/__pycache__/batchnorm.cpython-38.pyc differ
diff --git a/animation/SadTalker/src/facerender/sync_batchnorm/__pycache__/comm.cpython-38.pyc b/animation/SadTalker/src/facerender/sync_batchnorm/__pycache__/comm.cpython-38.pyc
index 93ecaae..994f3c6 100644
Binary files a/animation/SadTalker/src/facerender/sync_batchnorm/__pycache__/comm.cpython-38.pyc and b/animation/SadTalker/src/facerender/sync_batchnorm/__pycache__/comm.cpython-38.pyc differ
diff --git a/animation/SadTalker/src/facerender/sync_batchnorm/__pycache__/replicate.cpython-38.pyc b/animation/SadTalker/src/facerender/sync_batchnorm/__pycache__/replicate.cpython-38.pyc
index 798aeb0..bd3fc98 100644
Binary files a/animation/SadTalker/src/facerender/sync_batchnorm/__pycache__/replicate.cpython-38.pyc and b/animation/SadTalker/src/facerender/sync_batchnorm/__pycache__/replicate.cpython-38.pyc differ
diff --git a/animation/SadTalker/src/generate_facerender_batch.py b/animation/SadTalker/src/generate_facerender_batch.py
index a62b6ed..680cc4a 100644
--- a/animation/SadTalker/src/generate_facerender_batch.py
+++ b/animation/SadTalker/src/generate_facerender_batch.py
@@ -7,7 +7,7 @@ import scipy.io as scio
 
 def get_facerender_data(coeff_path, pic_path, first_coeff_path, audio_path, 
                         batch_size, input_yaw_list=None, input_pitch_list=None, input_roll_list=None, 
-                        expression_scale=1.0, still_mode = False, preprocess='crop', size = 256):
+                        expression_scale=1.0, still_mode = False, preprocess='crop', size = 256, facemodel='facevid2vid'):
 
     semantic_radius = 13
     video_name = os.path.splitext(os.path.split(coeff_path)[-1])[0]
@@ -27,7 +27,7 @@ def get_facerender_data(coeff_path, pic_path, first_coeff_path, audio_path,
     source_semantics_dict = scio.loadmat(first_coeff_path)
     generated_dict = scio.loadmat(coeff_path)
 
-    if 'full' not in preprocess.lower():
+    if 'full' not in preprocess.lower() and facemodel != 'pirender':
         source_semantics = source_semantics_dict['coeff_3dmm'][:1,:70]         #1 70
         generated_3dmm = generated_dict['coeff_3dmm'][:,:70]
 
@@ -43,7 +43,7 @@ def get_facerender_data(coeff_path, pic_path, first_coeff_path, audio_path,
     # target 
     generated_3dmm[:, :64] = generated_3dmm[:, :64] * expression_scale
 
-    if 'full' in preprocess.lower():
+    if 'full' in preprocess.lower() or facemodel == 'pirender':
         generated_3dmm = np.concatenate([generated_3dmm, np.repeat(source_semantics[:,70:], generated_3dmm.shape[0], axis=0)], axis=1)
 
     if still_mode:
diff --git a/animation/SadTalker/src/gradio_demo.py b/animation/SadTalker/src/gradio_demo.py
index 9c9ae05..b84c59f 100644
--- a/animation/SadTalker/src/gradio_demo.py
+++ b/animation/SadTalker/src/gradio_demo.py
@@ -1,5 +1,6 @@
 import torch, uuid
-import os, sys, shutil
+import os, sys, shutil, platform
+from src.facerender.pirender_animate import AnimateFromCoeff_PIRender
 from src.utils.preprocess import CropAndExtract
 from src.test_audio2coeff import Audio2Coeff  
 from src.facerender.animate import AnimateFromCoeff
@@ -20,8 +21,10 @@ class SadTalker():
 
     def __init__(self, checkpoint_path='checkpoints', config_path='src/config', lazy_load=False):
 
-        if torch.cuda.is_available() :
+        if torch.cuda.is_available():
             device = "cuda"
+        elif platform.system() == 'Darwin': # macos 
+            device = "mps"
         else:
             device = "cpu"
         
@@ -35,7 +38,9 @@ class SadTalker():
 
     def test(self, source_image, driven_audio, preprocess='crop', 
         still_mode=False,  use_enhancer=False, batch_size=1, size=256, 
-        pose_style = 0, exp_scale=1.0, 
+        pose_style = 0, 
+        facerender='facevid2vid',
+        exp_scale=1.0,  
         use_ref_video = False,
         ref_video = None,
         ref_info = None,
@@ -48,7 +53,14 @@ class SadTalker():
             
         self.audio_to_coeff = Audio2Coeff(self.sadtalker_paths, self.device)
         self.preprocess_model = CropAndExtract(self.sadtalker_paths, self.device)
-        self.animate_from_coeff = AnimateFromCoeff(self.sadtalker_paths, self.device)
+
+        if facerender == 'facevid2vid' and self.device != 'mps':
+            self.animate_from_coeff = AnimateFromCoeff(self.sadtalker_paths, self.device)
+        elif facerender == 'pirender' or self.device == 'mps':
+            self.animate_from_coeff = AnimateFromCoeff_PIRender(self.sadtalker_paths, self.device)
+            facerender = 'pirender'
+        else:
+            raise(RuntimeError('Unknown model: {}'.format(facerender)))
 
         time_tag = str(uuid.uuid4())
         save_dir = os.path.join(result_dir, time_tag)
@@ -131,11 +143,13 @@ class SadTalker():
         if use_ref_video and ref_info == 'all':
             coeff_path = ref_video_coeff_path # self.audio_to_coeff.generate(batch, save_dir, pose_style, ref_pose_coeff_path)
         else:
-            batch = get_data(first_coeff_path, audio_path, self.device, ref_eyeblink_coeff_path=ref_eyeblink_coeff_path, still=still_mode, idlemode=use_idle_mode, length_of_audio=length_of_audio, use_blink=use_blink) # longer audio?
+            batch = get_data(first_coeff_path, audio_path, self.device, ref_eyeblink_coeff_path=ref_eyeblink_coeff_path, still=still_mode, \
+                idlemode=use_idle_mode, length_of_audio=length_of_audio, use_blink=use_blink) # longer audio?
             coeff_path = self.audio_to_coeff.generate(batch, save_dir, pose_style, ref_pose_coeff_path)
 
         #coeff2video
-        data = get_facerender_data(coeff_path, crop_pic_path, first_coeff_path, audio_path, batch_size, still_mode=still_mode, preprocess=preprocess, size=size, expression_scale = exp_scale)
+        data = get_facerender_data(coeff_path, crop_pic_path, first_coeff_path, audio_path, batch_size, still_mode=still_mode, \
+            preprocess=preprocess, size=size, expression_scale = exp_scale, facemodel=facerender)
         return_path = self.animate_from_coeff.generate(data, save_dir,  pic_path, crop_info, enhancer='gfpgan' if use_enhancer else None, preprocess=preprocess, img_size=size)
         video_name = data['video_name']
         print(f'The generated video is named {video_name} in {save_dir}')
diff --git a/animation/SadTalker/src/utils/__pycache__/audio.cpython-38.pyc b/animation/SadTalker/src/utils/__pycache__/audio.cpython-38.pyc
index fb84654..caa6ab4 100644
Binary files a/animation/SadTalker/src/utils/__pycache__/audio.cpython-38.pyc and b/animation/SadTalker/src/utils/__pycache__/audio.cpython-38.pyc differ
diff --git a/animation/SadTalker/src/utils/__pycache__/croper.cpython-38.pyc b/animation/SadTalker/src/utils/__pycache__/croper.cpython-38.pyc
index 71efb08..b9e6e4a 100644
Binary files a/animation/SadTalker/src/utils/__pycache__/croper.cpython-38.pyc and b/animation/SadTalker/src/utils/__pycache__/croper.cpython-38.pyc differ
diff --git a/animation/SadTalker/src/utils/__pycache__/face_enhancer.cpython-38.pyc b/animation/SadTalker/src/utils/__pycache__/face_enhancer.cpython-38.pyc
index 067fa24..06ea63c 100644
Binary files a/animation/SadTalker/src/utils/__pycache__/face_enhancer.cpython-38.pyc and b/animation/SadTalker/src/utils/__pycache__/face_enhancer.cpython-38.pyc differ
diff --git a/animation/SadTalker/src/utils/__pycache__/hparams.cpython-38.pyc b/animation/SadTalker/src/utils/__pycache__/hparams.cpython-38.pyc
index 7f056d2..2fe0088 100644
Binary files a/animation/SadTalker/src/utils/__pycache__/hparams.cpython-38.pyc and b/animation/SadTalker/src/utils/__pycache__/hparams.cpython-38.pyc differ
diff --git a/animation/SadTalker/src/utils/__pycache__/init_path.cpython-38.pyc b/animation/SadTalker/src/utils/__pycache__/init_path.cpython-38.pyc
index 36640ce..4d035aa 100644
Binary files a/animation/SadTalker/src/utils/__pycache__/init_path.cpython-38.pyc and b/animation/SadTalker/src/utils/__pycache__/init_path.cpython-38.pyc differ
diff --git a/animation/SadTalker/src/utils/__pycache__/paste_pic.cpython-38.pyc b/animation/SadTalker/src/utils/__pycache__/paste_pic.cpython-38.pyc
index 9cb21a3..ad7fc27 100644
Binary files a/animation/SadTalker/src/utils/__pycache__/paste_pic.cpython-38.pyc and b/animation/SadTalker/src/utils/__pycache__/paste_pic.cpython-38.pyc differ
diff --git a/animation/SadTalker/src/utils/__pycache__/preprocess.cpython-38.pyc b/animation/SadTalker/src/utils/__pycache__/preprocess.cpython-38.pyc
index a6975af..b56b55c 100644
Binary files a/animation/SadTalker/src/utils/__pycache__/preprocess.cpython-38.pyc and b/animation/SadTalker/src/utils/__pycache__/preprocess.cpython-38.pyc differ
diff --git a/animation/SadTalker/src/utils/__pycache__/safetensor_helper.cpython-38.pyc b/animation/SadTalker/src/utils/__pycache__/safetensor_helper.cpython-38.pyc
index 9061c81..e6f6ca5 100644
Binary files a/animation/SadTalker/src/utils/__pycache__/safetensor_helper.cpython-38.pyc and b/animation/SadTalker/src/utils/__pycache__/safetensor_helper.cpython-38.pyc differ
diff --git a/animation/SadTalker/src/utils/__pycache__/videoio.cpython-38.pyc b/animation/SadTalker/src/utils/__pycache__/videoio.cpython-38.pyc
index b124668..f9ad89e 100644
Binary files a/animation/SadTalker/src/utils/__pycache__/videoio.cpython-38.pyc and b/animation/SadTalker/src/utils/__pycache__/videoio.cpython-38.pyc differ
diff --git a/animation/SadTalker/src/utils/init_path.py b/animation/SadTalker/src/utils/init_path.py
index 5f38d11..18ca81e 100644
--- a/animation/SadTalker/src/utils/init_path.py
+++ b/animation/SadTalker/src/utils/init_path.py
@@ -35,6 +35,8 @@ def init_path(checkpoint_dir, config_dir, size=512, old_version=False, preproces
     sadtalker_paths['dir_of_BFM_fitting'] = os.path.join(config_dir) # , 'BFM_Fitting'
     sadtalker_paths['audio2pose_yaml_path'] = os.path.join(config_dir, 'auido2pose.yaml')
     sadtalker_paths['audio2exp_yaml_path'] = os.path.join(config_dir, 'auido2exp.yaml')
+    sadtalker_paths['pirender_yaml_path'] = os.path.join(config_dir, 'facerender_pirender.yaml')
+    sadtalker_paths['pirender_checkpoint'] =  os.path.join(checkpoint_dir, 'epoch_00190_iteration_000400000_checkpoint.pt')
     sadtalker_paths['use_safetensor'] =  use_safetensor # os.path.join(config_dir, 'auido2exp.yaml')
 
     if 'full' in preprocess:
diff --git a/animation/SadTalker/src/utils/videoio.py b/animation/SadTalker/src/utils/videoio.py
index 08bfbdd..d16ee66 100644
--- a/animation/SadTalker/src/utils/videoio.py
+++ b/animation/SadTalker/src/utils/videoio.py
@@ -19,7 +19,7 @@ def load_video_to_cv2(input_path):
 
 def save_video_with_watermark(video, audio, save_path, watermark=False):
     temp_file = str(uuid.uuid4())+'.mp4'
-    cmd = r'ffmpeg -y -hide_banner -loglevel error -i "%s" -i "%s" -vcodec copy "%s"' % (video, audio, temp_file)
+    cmd = r'ffmpeg -y -hide_banner -loglevel error -i "%s" -i "%s" -vcodec mpeg4 "%s"' % (video, audio, temp_file)
     os.system(cmd)
 
     if watermark is False: