File size: 6,516 Bytes
a891a57
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
4f1874e
a891a57
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
bd169c9
 
a891a57
 
bd169c9
a891a57
 
bd169c9
 
a891a57
bd169c9
a891a57
bd169c9
a891a57
 
4f1874e
a891a57
 
 
 
 
 
 
4f1874e
a891a57
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
# coding: utf-8

"""
Pipeline for gradio
"""
import gradio as gr
from .config.argument_config import ArgumentConfig
from .live_portrait_pipeline import LivePortraitPipeline
from .utils.io import load_img_online
from .utils.rprint import rlog as log
from .utils.crop import prepare_paste_back, paste_back
from .utils.camera import get_rotation_matrix
from .utils.retargeting_utils import calc_eye_close_ratio, calc_lip_close_ratio

def update_args(args, user_args):
    """update the args according to user inputs
    """
    for k, v in user_args.items():
        if hasattr(args, k):
            setattr(args, k, v)
    return args

class GradioPipeline(LivePortraitPipeline):

    def __init__(self, inference_cfg, crop_cfg, args: ArgumentConfig):
        super().__init__(inference_cfg, crop_cfg)
        # self.live_portrait_wrapper = self.live_portrait_wrapper
        self.args = args
        # for single image retargeting
        self.start_prepare = False
        self.f_s_user = None
        self.x_c_s_info_user = None
        self.x_s_user = None
        self.source_lmk_user = None
        self.mask_ori = None
        self.img_rgb = None
        self.crop_M_c2o = None


    def execute_video(
        self,
        input_image_path,
        input_video_path,
        flag_relative_input,
        flag_do_crop_input,
        flag_remap_input,
        ):
        """ for video driven potrait animation
        """
        if input_image_path is not None and input_video_path is not None:
            args_user = {
                'source_image': input_image_path,
                'driving_info': input_video_path,
                'flag_relative': flag_relative_input,
                'flag_do_crop': flag_do_crop_input,
                'flag_pasteback': flag_remap_input,
            }
            # update config from user input
            self.args = update_args(self.args, args_user)
            self.live_portrait_wrapper.update_config(self.args.__dict__)
            self.cropper.update_config(self.args.__dict__)
            # video driven animation
            video_path, video_path_concat = self.execute(self.args)
            # gr.Info("Run successfully!", duration=2)
            return video_path, video_path_concat,
        else:
            raise gr.Error("The input source portrait or driving video hasn't been prepared yet 💥!", duration=5)

    def execute_image(self, input_eye_ratio: float, input_lip_ratio: float):
        """ for single image retargeting
        """
        if input_eye_ratio is None or input_eye_ratio is None:
            raise gr.Error("Invalid ratio input 💥!", duration=5)
        elif self.f_s_user is None:
            if self.start_prepare:
                raise gr.Error(
                    "The source portrait is under processing 💥! Please wait for a second.",
                    duration=5
                )
            else:
                raise gr.Error(
                    "The source portrait hasn't been prepared yet 💥! Please scroll to the top of the page to upload.",
                    duration=5
                )
        else:
            x_s_user = self.x_s_user.to("cuda")
            f_s_user = self.f_s_user.to("cuda")
            # ∆_eyes,i = R_eyes(x_s; c_s,eyes, c_d,eyes,i)
            combined_eye_ratio_tensor = self.live_portrait_wrapper.calc_combined_eye_ratio([[input_eye_ratio]], self.source_lmk_user)
            eyes_delta = self.live_portrait_wrapper.retarget_eye(x_s_user, combined_eye_ratio_tensor)
            # ∆_lip,i = R_lip(x_s; c_s,lip, c_d,lip,i)
            combined_lip_ratio_tensor = self.live_portrait_wrapper.calc_combined_lip_ratio([[input_lip_ratio]], self.source_lmk_user)
            lip_delta = self.live_portrait_wrapper.retarget_lip(x_s_user, combined_lip_ratio_tensor)
            num_kp = x_s_user.shape[1]
            # default: use x_s
            x_d_new = x_s_user + eyes_delta.reshape(-1, num_kp, 3) + lip_delta.reshape(-1, num_kp, 3)
            # D(W(f_s; x_s, x′_d))
            out = self.live_portrait_wrapper.warp_decode(f_s_user, x_s_user, x_d_new)
            out = self.live_portrait_wrapper.parse_output(out['out'])[0]
            out_to_ori_blend = paste_back(out, self.crop_M_c2o, self.img_rgb, self.mask_ori)
            # gr.Info("Run successfully!", duration=2)
            return out, out_to_ori_blend


    def prepare_retargeting(self, input_image_path, flag_do_crop = True):
        """ for single image retargeting
        """
        if input_image_path is not None:
            # gr.Info("Upload successfully!", duration=2)
            self.start_prepare = True
            inference_cfg = self.live_portrait_wrapper.cfg
            ######## process source portrait ########
            img_rgb = load_img_online(input_image_path, mode='rgb', max_dim=1280, n=16)
            log(f"Load source image from {input_image_path}.")
            crop_info = self.cropper.crop_single_image(img_rgb)
            if flag_do_crop:
                I_s = self.live_portrait_wrapper.prepare_source(crop_info['img_crop_256x256'])
            else:
                I_s = self.live_portrait_wrapper.prepare_source(img_rgb)
            x_s_info = self.live_portrait_wrapper.get_kp_info(I_s)
            R_s = get_rotation_matrix(x_s_info['pitch'], x_s_info['yaw'], x_s_info['roll'])
            ############################################

            # record global info for next time use
            self.f_s_user = self.live_portrait_wrapper.extract_feature_3d(I_s)
            self.x_s_user = self.live_portrait_wrapper.transform_keypoint(x_s_info)
            self.x_s_info_user = x_s_info
            self.source_lmk_user = crop_info['lmk_crop']
            self.img_rgb = img_rgb
            self.crop_M_c2o = crop_info['M_c2o']
            self.mask_ori = prepare_paste_back(inference_cfg.mask_crop, crop_info['M_c2o'], dsize=(img_rgb.shape[1], img_rgb.shape[0]))
            # update slider
            eye_close_ratio = calc_eye_close_ratio(self.source_lmk_user[None])
            eye_close_ratio = float(eye_close_ratio.squeeze(0).mean())
            lip_close_ratio = calc_lip_close_ratio(self.source_lmk_user[None])
            lip_close_ratio = float(lip_close_ratio.squeeze(0).mean())
            # for vis
            self.I_s_vis = self.live_portrait_wrapper.parse_output(I_s)[0]
            return eye_close_ratio, lip_close_ratio, self.I_s_vis
        else:
            # when press the clear button, go here
            return 0.8, 0.8, self.I_s_vis