import sys import os sys.path.append(os.path.dirname(os.path.realpath(__file__))) sys.path.append(os.path.dirname(os.path.dirname(os.path.realpath(__file__)))) sys.path.append(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'text_to_sing/DiffSinger')) sys.path.append(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'text_to_audio/Make_An_Audio')) import matplotlib import librosa from transformers import AutoModelForCausalLM, AutoTokenizer, CLIPSegProcessor, CLIPSegForImageSegmentation import torch from diffusers import StableDiffusionPipeline from diffusers import StableDiffusionInstructPix2PixPipeline, EulerAncestralDiscreteScheduler import re import uuid import soundfile from diffusers import StableDiffusionInpaintPipeline from PIL import Image import numpy as np from omegaconf import OmegaConf from transformers import pipeline, BlipProcessor, BlipForConditionalGeneration, BlipForQuestionAnswering import cv2 import einops from einops import repeat from pytorch_lightning import seed_everything import random from ldm.util import instantiate_from_config from ldm.data.extract_mel_spectrogram import TRANSFORMS_16000 from pathlib import Path from vocoder.hifigan.modules import VocoderHifigan from vocoder.bigvgan.models import VocoderBigVGAN from ldm.models.diffusion.ddim import DDIMSampler from wav_evaluation.models.CLAPWrapper import CLAPWrapper from inference.svs.ds_e2e import DiffSingerE2EInfer from audio_to_text.inference_waveform import AudioCapModel import whisper from text_to_speech.TTS_binding import TTSInference from inference.svs.ds_e2e import DiffSingerE2EInfer from inference.tts.GenerSpeech import GenerSpeechInfer from utils.hparams import set_hparams from utils.hparams import hparams as hp from utils.os_utils import move_file import scipy.io.wavfile as wavfile def initialize_model(config, ckpt, device): config = OmegaConf.load(config) model = instantiate_from_config(config.model) model.load_state_dict(torch.load(ckpt,map_location='cpu')["state_dict"], strict=False) model = model.to(device) model.cond_stage_model.to(model.device) model.cond_stage_model.device = model.device sampler = DDIMSampler(model) return sampler def initialize_model_inpaint(config, ckpt): config = OmegaConf.load(config) model = instantiate_from_config(config.model) model.load_state_dict(torch.load(ckpt,map_location='cpu')["state_dict"], strict=False) device = torch.device("cuda") if torch.cuda.is_available() else torch.device("cpu") model = model.to(device) print(model.device,device,model.cond_stage_model.device) sampler = DDIMSampler(model) return sampler def select_best_audio(prompt,wav_list): clap_model = CLAPWrapper('useful_ckpts/CLAP/CLAP_weights_2022.pth','useful_ckpts/CLAP/config.yml',use_cuda=torch.cuda.is_available()) text_embeddings = clap_model.get_text_embeddings([prompt]) score_list = [] for data in wav_list: sr,wav = data audio_embeddings = clap_model.get_audio_embeddings([(torch.FloatTensor(wav),sr)], resample=True) score = clap_model.compute_similarity(audio_embeddings, text_embeddings,use_logit_scale=False).squeeze().cpu().numpy() score_list.append(score) max_index = np.array(score_list).argmax() print(score_list,max_index) return wav_list[max_index] class T2I: def __init__(self, device): print("Initializing T2I to %s" % device) self.device = device self.pipe = StableDiffusionPipeline.from_pretrained("runwayml/stable-diffusion-v1-5", torch_dtype=torch.float16) self.text_refine_tokenizer = AutoTokenizer.from_pretrained("Gustavosta/MagicPrompt-Stable-Diffusion") self.text_refine_model = AutoModelForCausalLM.from_pretrained("Gustavosta/MagicPrompt-Stable-Diffusion") self.text_refine_gpt2_pipe = pipeline("text-generation", model=self.text_refine_model, tokenizer=self.text_refine_tokenizer, device=self.device) self.pipe.to(device) def inference(self, text): image_filename = os.path.join('image', str(uuid.uuid4())[0:8] + ".png") refined_text = self.text_refine_gpt2_pipe(text)[0]["generated_text"] print(f'{text} refined to {refined_text}') image = self.pipe(refined_text).images[0] image.save(image_filename) print(f"Processed T2I.run, text: {text}, image_filename: {image_filename}") return image_filename class ImageCaptioning: def __init__(self, device): print("Initializing ImageCaptioning to %s" % device) self.device = device self.processor = BlipProcessor.from_pretrained("Salesforce/blip-image-captioning-base") self.model = BlipForConditionalGeneration.from_pretrained("Salesforce/blip-image-captioning-base").to(self.device) def inference(self, image_path): inputs = self.processor(Image.open(image_path), return_tensors="pt").to(self.device) out = self.model.generate(**inputs) captions = self.processor.decode(out[0], skip_special_tokens=True) return captions class T2A: def __init__(self, device): print("Initializing Make-An-Audio to %s" % device) self.device = device self.sampler = initialize_model('configs/text-to-audio/txt2audio_args.yaml', 'useful_ckpts/ta40multi_epoch=000085.ckpt', device=device) self.vocoder = VocoderBigVGAN('text_to_audio/Make_An_Audio/vocoder/logs/bigv16k53w',device=device) def txt2audio(self, text, seed = 55, scale = 1.5, ddim_steps = 100, n_samples = 3, W = 624, H = 80): SAMPLE_RATE = 16000 prng = np.random.RandomState(seed) start_code = prng.randn(n_samples, self.sampler.model.first_stage_model.embed_dim, H // 8, W // 8) start_code = torch.from_numpy(start_code).to(device=self.device, dtype=torch.float32) uc = self.sampler.model.get_learned_conditioning(n_samples * [""]) c = self.sampler.model.get_learned_conditioning(n_samples * [text]) shape = [self.sampler.model.first_stage_model.embed_dim, H//8, W//8] # (z_dim, 80//2^x, 848//2^x) samples_ddim, _ = self.sampler.sample(S = ddim_steps, conditioning = c, batch_size = n_samples, shape = shape, verbose = False, unconditional_guidance_scale = scale, unconditional_conditioning = uc, x_T = start_code) x_samples_ddim = self.sampler.model.decode_first_stage(samples_ddim) x_samples_ddim = torch.clamp((x_samples_ddim+1.0)/2.0, min=0.0, max=1.0) # [0, 1] wav_list = [] for idx,spec in enumerate(x_samples_ddim): wav = self.vocoder.vocode(spec) wav_list.append((SAMPLE_RATE,wav)) best_wav = select_best_audio(text, wav_list) return best_wav def inference(self, text, seed = 55, scale = 1.5, ddim_steps = 100, n_samples = 3, W = 624, H = 80): melbins,mel_len = 80,624 with torch.no_grad(): result = self.txt2audio( text = text, H = melbins, W = mel_len ) audio_filename = os.path.join('audio', str(uuid.uuid4())[0:8] + ".wav") soundfile.write(audio_filename, result[1], samplerate = 16000) print(f"Processed T2I.run, text: {text}, audio_filename: {audio_filename}") return audio_filename class I2A: def __init__(self, device): print("Initializing Make-An-Audio-Image to %s" % device) self.device = device self.sampler = initialize_model('text_to_audio/Make_An_Audio_img/configs/img_to_audio/img2audio_args.yaml', 'text_to_audio/Make_An_Audio_img/useful_ckpts/ta54_epoch=000216.ckpt', device=device) self.vocoder = VocoderBigVGAN('text_to_audio/Make_An_Audio_img/vocoder/logs/bigv16k53w',device=device) def img2audio(self, image, seed = 55, scale = 3, ddim_steps = 100, W = 624, H = 80): SAMPLE_RATE = 16000 n_samples = 1 # only support 1 sample prng = np.random.RandomState(seed) start_code = prng.randn(n_samples, self.sampler.model.first_stage_model.embed_dim, H // 8, W // 8) start_code = torch.from_numpy(start_code).to(device=self.device, dtype=torch.float32) uc = self.sampler.model.get_learned_conditioning(n_samples * [""]) #image = Image.fromarray(image) image = Image.open(image) image = self.sampler.model.cond_stage_model.preprocess(image).unsqueeze(0) image_embedding = self.sampler.model.cond_stage_model.forward_img(image) c = image_embedding.repeat(n_samples, 1, 1)# shape:[1,77,1280],即还没有变成句子embedding，仍是每个单词的embedding shape = [self.sampler.model.first_stage_model.embed_dim, H//8, W//8] # (z_dim, 80//2^x, 848//2^x) samples_ddim, _ = self.sampler.sample(S=ddim_steps, conditioning=c, batch_size=n_samples, shape=shape, verbose=False, unconditional_guidance_scale=scale, unconditional_conditioning=uc, x_T=start_code) x_samples_ddim = self.sampler.model.decode_first_stage(samples_ddim) x_samples_ddim = torch.clamp((x_samples_ddim+1.0)/2.0, min=0.0, max=1.0) # [0, 1] wav_list = [] for idx,spec in enumerate(x_samples_ddim): wav = self.vocoder.vocode(spec) wav_list.append((SAMPLE_RATE,wav)) best_wav = wav_list[0] return best_wav def inference(self, image, seed = 55, scale = 3, ddim_steps = 100, W = 624, H = 80): melbins,mel_len = 80,624 with torch.no_grad(): result = self.img2audio( image=image, H=melbins, W=mel_len ) audio_filename = os.path.join('audio', str(uuid.uuid4())[0:8] + ".wav") soundfile.write(audio_filename, result[1], samplerate = 16000) print(f"Processed I2a.run, image_filename: {image}, audio_filename: {audio_filename}") return audio_filename class TTS: def __init__(self, device=None): self.inferencer = TTSInference(device) def inference(self, text): global temp_audio_filename inp = {"text": text} out = self.inferencer.infer_once(inp) audio_filename = os.path.join('audio', str(uuid.uuid4())[0:8] + ".wav") soundfile.write(audio_filename, out, samplerate = 22050) return audio_filename class T2S: def __init__(self, device= None): if device is None: device = 'cuda' if torch.cuda.is_available() else 'cpu' print("Initializing DiffSinger to %s" % device) self.device = device self.exp_name = 'checkpoints/0831_opencpop_ds1000' self.config= 'text_to_sing/DiffSinger/usr/configs/midi/e2e/opencpop/ds1000.yaml' self.set_model_hparams() self.pipe = DiffSingerE2EInfer(self.hp, device) self.default_inp = { 'text': '你 说 你 不 SP 懂 为 何 在 这 时 牵 手 AP', 'notes': 'D#4/Eb4 | D#4/Eb4 | D#4/Eb4 | D#4/Eb4 | rest | D#4/Eb4 | D4 | D4 | D4 | D#4/Eb4 | F4 | D#4/Eb4 | D4 | rest', 'notes_duration': '0.113740 | 0.329060 | 0.287950 | 0.133480 | 0.150900 | 0.484730 | 0.242010 | 0.180820 | 0.343570 | 0.152050 | 0.266720 | 0.280310 | 0.633300 | 0.444590' } def set_model_hparams(self): set_hparams(config=self.config, exp_name=self.exp_name, print_hparams=False) self.hp = hp def inference(self, inputs): self.set_model_hparams() val = inputs.split(",") key = ['text', 'notes', 'notes_duration'] if inputs == '' or len(val) < len(key): inp = self.default_inp else: inp = {k:v for k,v in zip(key,val)} wav = self.pipe.infer_once(inp) wav *= 32767 audio_filename = os.path.join('audio', str(uuid.uuid4())[0:8] + ".wav") wavfile.write(audio_filename, self.hp['audio_sample_rate'], wav.astype(np.int16)) print(f"Processed T2S.run, audio_filename: {audio_filename}") return audio_filename class TTS_OOD: def __init__(self, device): if device is None: device = 'cuda' if torch.cuda.is_available() else 'cpu' print("Initializing GenerSpeech to %s" % device) self.device = device self.exp_name = 'checkpoints/GenerSpeech' self.config = 'text_to_sing/DiffSinger/modules/GenerSpeech/config/generspeech.yaml' self.set_model_hparams() self.pipe = GenerSpeechInfer(self.hp, device) def set_model_hparams(self): set_hparams(config=self.config, exp_name=self.exp_name, print_hparams=False) f0_stats_fn = f'{hp["binary_data_dir"]}/train_f0s_mean_std.npy' if os.path.exists(f0_stats_fn): hp['f0_mean'], hp['f0_std'] = np.load(f0_stats_fn) hp['f0_mean'] = float(hp['f0_mean']) hp['f0_std'] = float(hp['f0_std']) hp['emotion_encoder_path'] = 'checkpoints/Emotion_encoder.pt' self.hp = hp def inference(self, inputs): self.set_model_hparams() key = ['ref_audio', 'text'] val = inputs.split(",") inp = {k: v for k, v in zip(key, val)} print(inp) wav = self.pipe.infer_once(inp) wav *= 32767 audio_filename = os.path.join('audio', str(uuid.uuid4())[0:8] + ".wav") wavfile.write(audio_filename, self.hp['audio_sample_rate'], wav.astype(np.int16)) print( f"Processed GenerSpeech.run. Input text:{val[1]}. Input reference audio: {val[0]}. Output Audio_filename: {audio_filename}") return audio_filename class Inpaint: def __init__(self, device): print("Initializing Make-An-Audio-inpaint to %s" % device) self.device = device self.sampler = initialize_model_inpaint('text_to_audio/Make_An_Audio_inpaint/configs/inpaint/txt2audio_args.yaml', 'text_to_audio/Make_An_Audio_inpaint/useful_ckpts/inpaint7_epoch00047.ckpt') self.vocoder = VocoderBigVGAN('./vocoder/logs/bigv16k53w',device=device) self.cmap_transform = matplotlib.cm.viridis def make_batch_sd(self, mel, mask, num_samples=1): mel = torch.from_numpy(mel)[None,None,...].to(dtype=torch.float32) mask = torch.from_numpy(mask)[None,None,...].to(dtype=torch.float32) masked_mel = (1 - mask) * mel mel = mel * 2 - 1 mask = mask * 2 - 1 masked_mel = masked_mel * 2 -1 batch = { "mel": repeat(mel.to(device=self.device), "1 ... -> n ...", n=num_samples), "mask": repeat(mask.to(device=self.device), "1 ... -> n ...", n=num_samples), "masked_mel": repeat(masked_mel.to(device=self.device), "1 ... -> n ...", n=num_samples), } return batch def gen_mel(self, input_audio_path): SAMPLE_RATE = 16000 sr, ori_wav = wavfile.read(input_audio_path) print("gen_mel") print(sr,ori_wav.shape,ori_wav) ori_wav = ori_wav.astype(np.float32, order='C') / 32768.0 # order='C'是以C语言格式存储，不用管 if len(ori_wav.shape)==2:# stereo ori_wav = librosa.to_mono(ori_wav.T)# gradio load wav shape could be (wav_len,2) but librosa expects (2,wav_len) print(sr,ori_wav.shape,ori_wav) ori_wav = librosa.resample(ori_wav,orig_sr = sr,target_sr = SAMPLE_RATE) mel_len,hop_size = 848,256 input_len = mel_len * hop_size if len(ori_wav) < input_len: input_wav = np.pad(ori_wav,(0,mel_len*hop_size),constant_values=0) else: input_wav = ori_wav[:input_len] mel = TRANSFORMS_16000(input_wav) return mel def gen_mel_audio(self, input_audio): SAMPLE_RATE = 16000 sr,ori_wav = input_audio print("gen_mel_audio") print(sr,ori_wav.shape,ori_wav) ori_wav = ori_wav.astype(np.float32, order='C') / 32768.0 # order='C'是以C语言格式存储，不用管 if len(ori_wav.shape)==2:# stereo ori_wav = librosa.to_mono(ori_wav.T)# gradio load wav shape could be (wav_len,2) but librosa expects (2,wav_len) print(sr,ori_wav.shape,ori_wav) ori_wav = librosa.resample(ori_wav,orig_sr = sr,target_sr = SAMPLE_RATE) mel_len,hop_size = 848,256 input_len = mel_len * hop_size if len(ori_wav) < input_len: input_wav = np.pad(ori_wav,(0,mel_len*hop_size),constant_values=0) else: input_wav = ori_wav[:input_len] mel = TRANSFORMS_16000(input_wav) return mel def show_mel_fn(self, input_audio_path): crop_len = 500 # the full mel cannot be showed due to gradio's Image bug when using tool='sketch' crop_mel = self.gen_mel(input_audio_path)[:,:crop_len] color_mel = self.cmap_transform(crop_mel) image = Image.fromarray((color_mel*255).astype(np.uint8)) image_filename = os.path.join('image', str(uuid.uuid4())[0:8] + ".png") image.save(image_filename) return image_filename def inpaint(self, batch, seed, ddim_steps, num_samples=1, W=512, H=512): model = self.sampler.model prng = np.random.RandomState(seed) start_code = prng.randn(num_samples, model.first_stage_model.embed_dim, H // 8, W // 8) start_code = torch.from_numpy(start_code).to(device=self.device, dtype=torch.float32) c = model.get_first_stage_encoding(model.encode_first_stage(batch["masked_mel"])) cc = torch.nn.functional.interpolate(batch["mask"], size=c.shape[-2:]) c = torch.cat((c, cc), dim=1) # (b,c+1,h,w) 1 is mask shape = (c.shape[1]-1,)+c.shape[2:] samples_ddim, _ = self.sampler.sample(S=ddim_steps, conditioning=c, batch_size=c.shape[0], shape=shape, verbose=False) x_samples_ddim = model.decode_first_stage(samples_ddim) mask = batch["mask"]# [-1,1] mel = torch.clamp((batch["mel"]+1.0)/2.0,min=0.0, max=1.0) mask = torch.clamp((batch["mask"]+1.0)/2.0,min=0.0, max=1.0) predicted_mel = torch.clamp((x_samples_ddim+1.0)/2.0,min=0.0, max=1.0) inpainted = (1-mask)*mel+mask*predicted_mel inpainted = inpainted.cpu().numpy().squeeze() inapint_wav = self.vocoder.vocode(inpainted) return inpainted, inapint_wav def inference(self, input_audio, mel_and_mask, seed = 55, ddim_steps = 100): SAMPLE_RATE = 16000 torch.set_grad_enabled(False) mel_img = Image.open(mel_and_mask['image']) mask_img = Image.open(mel_and_mask["mask"]) show_mel = np.array(mel_img.convert("L"))/255 # 由于展示的mel只展示了一部分，所以需要重新从音频生成mel mask = np.array(mask_img.convert("L"))/255 mel_bins,mel_len = 80,848 input_mel = self.gen_mel_audio(input_audio)[:,:mel_len]# 由于展示的mel只展示了一部分，所以需要重新从音频生成mel mask = np.pad(mask,((0,0),(0,mel_len-mask.shape[1])),mode='constant',constant_values=0)# 将mask填充到原来的mel的大小 print(mask.shape,input_mel.shape) with torch.no_grad(): batch = self.make_batch_sd(input_mel,mask,num_samples=1) inpainted,gen_wav = self.inpaint( batch=batch, seed=seed, ddim_steps=ddim_steps, num_samples=1, H=mel_bins, W=mel_len ) inpainted = inpainted[:,:show_mel.shape[1]] color_mel = self.cmap_transform(inpainted) input_len = int(input_audio[1].shape[0] * SAMPLE_RATE / input_audio[0]) gen_wav = (gen_wav * 32768).astype(np.int16)[:input_len] image = Image.fromarray((color_mel*255).astype(np.uint8)) image_filename = os.path.join('image', str(uuid.uuid4())[0:8] + ".png") image.save(image_filename) audio_filename = os.path.join('audio', str(uuid.uuid4())[0:8] + ".wav") soundfile.write(audio_filename, gen_wav, samplerate = 16000) return image_filename, audio_filename class ASR: def __init__(self, device): print("Initializing Whisper to %s" % device) self.device = device self.model = whisper.load_model("base", device=device) def inference(self, audio_path): audio = whisper.load_audio(audio_path) audio = whisper.pad_or_trim(audio) mel = whisper.log_mel_spectrogram(audio).to(self.device) _, probs = self.model.detect_language(mel) options = whisper.DecodingOptions() result = whisper.decode(self.model, mel, options) return result.text class A2T: def __init__(self, device): print("Initializing Audio-To-Text Model to %s" % device) self.device = device self.model = AudioCapModel("audio_to_text/audiocaps_cntrstv_cnn14rnn_trm") def inference(self, audio_path): audio = whisper.load_audio(audio_path) caption_text = self.model(audio) return caption_text[0]