import argparse
import os
from omegaconf import OmegaConf
import numpy as np
import cv2
import torch
import glob
import pickle
from tqdm import tqdm
import copy
from musetalk.utils.utils import get_file_type,get_video_fps,datagen
from musetalk.utils.preprocessing import get_landmark_and_bbox,read_imgs,coord_placeholder
from musetalk.utils.blending import get_image
from musetalk.utils.utils import load_all_model
import shutil
# load model weights
audio_processor,vae,unet,pe = load_all_model()
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
timesteps = torch.tensor([0], device=device)
@torch.no_grad()
def main(args):
inference_config = OmegaConf.load(args.inference_config)
print(inference_config)
for task_id in inference_config:
video_path = inference_config[task_id]["video_path"]
audio_path = inference_config[task_id]["audio_path"]
bbox_shift = inference_config[task_id].get("bbox_shift", args.bbox_shift)
input_basename = os.path.basename(video_path).split('.')[0]
audio_basename = os.path.basename(audio_path).split('.')[0]
output_basename = f"{input_basename}_{audio_basename}"
result_img_save_path = os.path.join(args.result_dir, output_basename) # related to video & audio inputs
crop_coord_save_path = os.path.join(result_img_save_path, input_basename+".pkl") # only related to video input
os.makedirs(result_img_save_path,exist_ok =True)
if args.output_vid_name=="":
output_vid_name = os.path.join(args.result_dir, output_basename+".mp4")
else:
output_vid_name = os.path.join(args.result_dir, args.output_vid_name)
############################################## extract frames from source video ##############################################
if get_file_type(video_path)=="video":
save_dir_full = os.path.join(args.result_dir, input_basename)
os.makedirs(save_dir_full,exist_ok = True)
cmd = f"ffmpeg -v fatal -i {video_path} -start_number 0 {save_dir_full}/%08d.png"
os.system(cmd)
input_img_list = sorted(glob.glob(os.path.join(save_dir_full, '*.[jpJP][pnPN]*[gG]')))
fps = get_video_fps(video_path)
else: # input img folder
input_img_list = glob.glob(os.path.join(video_path, '*.[jpJP][pnPN]*[gG]'))
input_img_list = sorted(input_img_list, key=lambda x: int(os.path.splitext(os.path.basename(x))[0]))
fps = args.fps
#print(input_img_list)
############################################## extract audio feature ##############################################
whisper_feature = audio_processor.audio2feat(audio_path)
whisper_chunks = audio_processor.feature2chunks(feature_array=whisper_feature,fps=fps)
############################################## preprocess input image ##############################################
if os.path.exists(crop_coord_save_path) and args.use_saved_coord:
print("using extracted coordinates")
with open(crop_coord_save_path,'rb') as f:
coord_list = pickle.load(f)
frame_list = read_imgs(input_img_list)
else:
print("extracting landmarks...time consuming")
coord_list, frame_list = get_landmark_and_bbox(input_img_list, bbox_shift)
with open(crop_coord_save_path, 'wb') as f:
pickle.dump(coord_list, f)
i = 0
input_latent_list = []
for bbox, frame in zip(coord_list, frame_list):
if bbox == coord_placeholder:
continue
x1, y1, x2, y2 = bbox
crop_frame = frame[y1:y2, x1:x2]
crop_frame = cv2.resize(crop_frame,(256,256),interpolation = cv2.INTER_LANCZOS4)
latents = vae.get_latents_for_unet(crop_frame)
input_latent_list.append(latents)
# to smooth the first and the last frame
frame_list_cycle = frame_list + frame_list[::-1]
coord_list_cycle = coord_list + coord_list[::-1]
input_latent_list_cycle = input_latent_list + input_latent_list[::-1]
############################################## inference batch by batch ##############################################
print("start inference")
video_num = len(whisper_chunks)
batch_size = args.batch_size
gen = datagen(whisper_chunks,input_latent_list_cycle,batch_size)
res_frame_list = []
for i, (whisper_batch,latent_batch) in enumerate(tqdm(gen,total=int(np.ceil(float(video_num)/batch_size)))):
tensor_list = [torch.FloatTensor(arr) for arr in whisper_batch]
audio_feature_batch = torch.stack(tensor_list).to(unet.device) # torch, B, 5*N,384
audio_feature_batch = pe(audio_feature_batch)
pred_latents = unet.model(latent_batch, timesteps, encoder_hidden_states=audio_feature_batch).sample
recon = vae.decode_latents(pred_latents)
for res_frame in recon:
res_frame_list.append(res_frame)
############################################## pad to full image ##############################################
print("pad talking image to original video")
for i, res_frame in enumerate(tqdm(res_frame_list)):
bbox = coord_list_cycle[i%(len(coord_list_cycle))]
ori_frame = copy.deepcopy(frame_list_cycle[i%(len(frame_list_cycle))])
x1, y1, x2, y2 = bbox
try:
res_frame = cv2.resize(res_frame.astype(np.uint8),(x2-x1,y2-y1))
except:
# print(bbox)
continue
combine_frame = get_image(ori_frame,res_frame,bbox)
cv2.imwrite(f"{result_img_save_path}/{str(i).zfill(8)}.png",combine_frame)
cmd_img2video = f"ffmpeg -y -v fatal -r {fps} -f image2 -i {result_img_save_path}/%08d.png -vcodec libx264 -vf format=rgb24,scale=out_color_matrix=bt709,format=yuv420p -crf 18 temp.mp4"
print(cmd_img2video)
os.system(cmd_img2video)
cmd_combine_audio = f"ffmpeg -y -v fatal -i {audio_path} -i temp.mp4 {output_vid_name}"
print(cmd_combine_audio)
os.system(cmd_combine_audio)
os.remove("temp.mp4")
shutil.rmtree(result_img_save_path)
print(f"result is save to {output_vid_name}")
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument("--inference_config", type=str, default="configs/inference/test_img.yaml")
parser.add_argument("--bbox_shift", type=int, default=0)
parser.add_argument("--result_dir", default='./results', help="path to output")
parser.add_argument("--fps", type=int, default=25)
parser.add_argument("--batch_size", type=int, default=8)
parser.add_argument("--output_vid_name", type=str,default='')
parser.add_argument("--use_saved_coord",
action="store_true",
help='use saved coordinate to save time')
args = parser.parse_args()
main(args)