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datasets_new.py
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datasets_new.py
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import os
import csv
import glob
import numpy as np
import random, math
import soundfile as sf
import torch, torchaudio
from torch.utils.data import Dataset
from models.preprocess_new import *
from models.preprocess_new import FeatureAug
from models.feature_new import OnlineFbank
from utils.utils import read_video_gray
class AudioTrainset(Dataset):
def __init__(self, audioopts):
self.second_range = audioopts['seconds']
self.num_second = random.randint(self.second_range[0], self.second_range[1])
TRAIN_MANIFEST = audioopts['train_manifest']
#audio config
self.sample_rate = audioopts['sample_rate']
self.audiodata_dir = audioopts['train_audiodir']
self.audiodata_suffix = '.wav'
self.audioopts = audioopts
# Load data & labels
self.data_list = []
self.data_label = []
lines = open(TRAIN_MANIFEST).read().splitlines()
dictkeys = list(set([x.split(',')[0] for x in lines]))
dictkeys.sort()
dictkeys = { key : ii for ii, key in enumerate(dictkeys) }
for index, line in enumerate(lines):
speaker_label = dictkeys[line.split(',')[0]]
file_name = line.split(',')[2]
# math trick:num_segments=int(audio_len//num_second + 1)
num_segments = round(float(line.split(',')[3])/self.num_second + 0.5)
for i in range(num_segments):
self.data_label.append(speaker_label)
self.data_list.append(file_name + '___' + str(i)) #
self.n_spk = len(set(self.data_label))
if 'noiseaug' in audioopts.keys():
# Load and configure augmentation files
musan_path = audioopts['musan_path']
rir_path = audioopts['rir_path']
self.noisetypes = ['noise','speech','music']
self.noisesnr = {'noise':[0,15],'speech':[13,20],'music':[5,15]}
self.numnoise = {'noise':[1,1], 'speech':[3,8], 'music':[1,1]}
self.noiselist = {}
augment_files = glob.glob(os.path.join(musan_path,'*/*/*/*.wav'))
for file in augment_files:
if file.split('/')[-4] not in self.noiselist:
self.noiselist[file.split('/')[-4]] = []
self.noiselist[file.split('/')[-4]].append(file)
self.rir_files = glob.glob(os.path.join(rir_path,'*/*/*.wav'))
self.noiseaug_prob = audioopts['noiseaug'] if 'noiseaug' in audioopts.keys() else 0.0
self.speeds = audioopts['speedperturb'] if 'speedperturb' in audioopts.keys() else [1.0]
self.feature = OnlineFbank()
self.feataug = FeatureAug() # Spec augmentation
def __len__(self):
return len(self.data_list)
def __getitem__(self, index):
audio, sr = sf.read(os.path.join(self.audiodata_dir, self.data_list[index].split('___')[0] + self.audiodata_suffix)) #
length_audio = self.num_second * 16000 + 240
if audio.shape[0] <= length_audio:
shortage = length_audio - audio.shape[0]
audio = np.pad(audio, (0, shortage), 'wrap')
start_audiopoint = np.int64(random.random()*(audio.shape[0]-length_audio))
audio = audio[start_audiopoint:start_audiopoint + length_audio]
audiofeat = np.stack([audio],axis=0)
if 'noiseaug' in self.audioopts.keys():
augtype = random.randint(0,2)
if augtype == 0: # Original clean speech
audiofeat = torch.FloatTensor(audiofeat).unsqueeze(0)
audiofeat = self.feature(audiofeat)
elif augtype == 1: # Noise and reverb augmentation
noiseaugtype = random.randint(0,4)
if noiseaugtype == 0: # Noise
audiofeat = add_noise(audiofeat, 'noise', self.numnoise, self.noiselist, self.noisesnr, self.num_second)
elif noiseaugtype == 1: # Music
audiofeat = add_noise(audiofeat, 'music', self.numnoise, self.noiselist, self.noisesnr, self.num_second)
elif noiseaugtype == 2: # speech
audiofeat = add_noise(audiofeat, 'speech', self.numnoise, self.noiselist, self.noisesnr, self.num_second)
elif noiseaugtype == 3: # Television noise
audiofeat = add_noise(audiofeat, 'speech', self.numnoise, self.noiselist, self.noisesnr, self.num_second)
audiofeat = add_noise(audiofeat, 'music', self.numnoise, self.noiselist, self.noisesnr, self.num_second)
elif noiseaugtype == 4: # Reverberation
audiofeat = add_rev(audiofeat, self.num_second, self.rir_files)
audiofeat = torch.FloatTensor(audiofeat).unsqueeze(0)
audiofeat = self.feature(audiofeat)
elif augtype == 2: # spec augmentation
audiofeat = torch.FloatTensor(audiofeat).unsqueeze(0)
audiofeat = self.feature(audiofeat)
audiofeat = self.feataug(audiofeat)
elif 'specaug' in self.audioopts.keys():
augtype = random.randint(0,1)
if augtype == 0: # Original clean speech
audiofeat = torch.FloatTensor(audiofeat).unsqueeze(0)
audiofeat = self.feature(audiofeat)
elif augtype == 1: # spec augmentation
audiofeat = torch.FloatTensor(audiofeat).unsqueeze(0)
audiofeat = self.feature(audiofeat)
audiofeat = self.feataug(audiofeat)
else:
audiofeat = torch.FloatTensor(audiofeat).unsqueeze(0)
audiofeat = self.feature(audiofeat)
return audiofeat.squeeze(0), self.data_label[index]
class VisualLipTrainset(Dataset):
def __init__(self, videoopts):
self.second_range = videoopts['seconds']
self.num_second = random.randint(self.second_range[0], self.second_range[1])
TRAIN_MANIFEST = videoopts['train_manifest']
self.videodata_dir = videoopts['train_videodir']
self.videodata_suffix = '.mp4'
self.video_fps = 25
# Load data & labels
self.data_list = []
self.data_label = []
lines = open(TRAIN_MANIFEST).read().splitlines()
dictkeys = list(set([x.split(',')[0] for x in lines]))
dictkeys.sort()
dictkeys = { key : ii for ii, key in enumerate(dictkeys) }
for index, line in enumerate(lines):
speaker_label = dictkeys[line.split(',')[0]]
file_name = line.split(',')[2]
num_segments = round(float(line.split(',')[3])/self.num_second + 0.5) # math trick
for i in range(num_segments):
self.data_label.append(speaker_label)
self.data_list.append(file_name + '___' + str(i)) #
self.n_spk = len(set(self.data_label))
def __len__(self):
return len(self.data_list)
def __getitem__(self, index):
videofeats = []
# videofilename = os.path.join(self.videodata_dir, self.data_list[index].split('.')[0].split('___')[0]) + self.videodata_suffix #
videofilename = os.path.join(self.videodata_dir, self.data_list[index].split('___')[0]) + self.videodata_suffix #
if os.path.exists(videofilename):
# video = np.load(videofilename, allow_pickle=True)['data']
video = read_video_gray(videofilename)
else:
video = np.random.rand(50,96,96)
length_video = math.floor(self.num_second * self.video_fps)
if video.shape[0] < length_video:
shortage = length_video - video.shape[0]
video = np.pad(video, ((0, shortage), (0, 0), (0, 0)), 'wrap')
start_videoframe = np.int64(random.random()*(video.shape[0]-length_video))
video = video[start_videoframe:start_videoframe + length_video]
# augmentation
video = get_preprocessing_pipelines()['train'](video)
videofeat = np.stack(video,axis=0)
videofeats.append(videofeat)
videofeats = np.array(videofeats).astype(np.float32)
return torch.from_numpy(videofeats), self.data_label[index]
class AudioVisualLipTrainset(Dataset):
def __init__(self, audioopts):
self.second_range = audioopts['seconds']
self.num_second = random.randint(self.second_range[0], self.second_range[1])
TRAIN_MANIFEST = audioopts['train_manifest']
self.audioopts =audioopts
#audio config
self.sample_rate = audioopts['sample_rate']
self.audiodata_dir = audioopts['train_audiodir']
self.videodata_dir = audioopts['train_videodir']
self.audiodata_suffix = '.wav'
self.videodata_suffix = '.mp4'
self.video_fps = 25
# Load data & labels
self.data_list = []
self.data_label = []
lines = open(TRAIN_MANIFEST).read().splitlines()
dictkeys = list(set([x.split(',')[0] for x in lines]))
dictkeys.sort()
dictkeys = { key : ii for ii, key in enumerate(dictkeys) }
for index, line in enumerate(lines):
speaker_label = dictkeys[line.split(',')[0]]
file_name = line.split(',')[2]
num_segments = round(float(line.split(',')[3])/self.num_second + 0.5) # math trick
for i in range(num_segments):
self.data_label.append(speaker_label)
self.data_list.append(file_name + '___' + str(i)) #
self.n_spk = len(set(self.data_label))
if 'noiseaug' in audioopts.keys():
# Load and configure augmentation files
musan_path = audioopts['musan_path']
rir_path = audioopts['rir_path']
self.noisetypes = ['noise','speech','music']
self.noisesnr = {'noise':[0,15],'speech':[13,20],'music':[5,15]}
self.numnoise = {'noise':[1,1], 'speech':[3,8], 'music':[1,1]}
self.noiselist = {}
augment_files = glob.glob(os.path.join(musan_path,'*/*/*/*.wav'))
for file in augment_files:
if file.split('/')[-4] not in self.noiselist:
self.noiselist[file.split('/')[-4]] = []
self.noiselist[file.split('/')[-4]].append(file)
self.rir_files = glob.glob(os.path.join(rir_path,'*/*/*.wav'))
self.noiseaug_prob = audioopts['noiseaug'] if 'noiseaug' in audioopts.keys() else 0.0
self.speeds = audioopts['speedperturb'] if 'speedperturb' in audioopts.keys() else [1.0]
self.feature = OnlineFbank()
self.feataug = FeatureAug() # Spec augmentation
def __len__(self):
return len(self.data_list)
def __getitem__(self, index):
# random select a frame number in uniform distribution
audiofilename = os.path.join(self.audiodata_dir, self.data_list[index].split('___')[0]) + self.audiodata_suffix #
videofilename = os.path.join(self.videodata_dir, self.data_list[index].split('___')[0]) + self.videodata_suffix #
# audio sampling
audio, sr = sf.read(audiofilename)
if len(self.speeds) > 1:
print('speaker augmentation is not allowed in audio-visual training')
length_audio = self.num_second * 16000 + 240
if audio.shape[0] <= length_audio:
shortage = length_audio - audio.shape[0]
audio = np.pad(audio, (0, shortage), 'wrap')
start_audiopoint = np.int64(random.random()*(audio.shape[0]-length_audio))
audio = audio[start_audiopoint:start_audiopoint + length_audio]
audiofeat = np.stack([audio],axis=0)
if 'noiseaug' in self.audioopts.keys():
augtype = random.randint(0,2)
if augtype == 0: # Original clean speech
audiofeat = torch.FloatTensor(audiofeat).unsqueeze(0)
audiofeat = self.feature(audiofeat)
elif augtype == 1: # Noise and reverb augmentation
noiseaugtype = random.randint(0,4)
if noiseaugtype == 0: # Noise
audiofeat = add_noise(audiofeat, 'noise', self.numnoise, self.noiselist, self.noisesnr, self.num_second)
elif noiseaugtype == 1: # Music
audiofeat = add_noise(audiofeat, 'music', self.numnoise, self.noiselist, self.noisesnr, self.num_second)
elif noiseaugtype == 2: # speech
audiofeat = add_noise(audiofeat, 'speech', self.numnoise, self.noiselist, self.noisesnr, self.num_second)
elif noiseaugtype == 3: # Television noise
audiofeat = add_noise(audiofeat, 'speech', self.numnoise, self.noiselist, self.noisesnr, self.num_second)
audiofeat = add_noise(audiofeat, 'music', self.numnoise, self.noiselist, self.noisesnr, self.num_second)
elif noiseaugtype == 4: # Reverberation
audiofeat = add_rev(audiofeat, self.num_second, self.rir_files)
audiofeat = torch.FloatTensor(audiofeat).unsqueeze(0)
audiofeat = self.feature(audiofeat)
elif augtype == 2: # spec augmentation
audiofeat = torch.FloatTensor(audiofeat).unsqueeze(0)
audiofeat = self.feature(audiofeat)
audiofeat = self.feataug(audiofeat)
elif 'specaug' in self.audioopts.keys():
augtype = random.randint(0,1)
if augtype == 0: # Original clean speech
audiofeat = torch.FloatTensor(audiofeat).unsqueeze(0)
audiofeat = self.feature(audiofeat)
elif augtype == 1: # spec augmentation
audiofeat = torch.FloatTensor(audiofeat).unsqueeze(0)
audiofeat = self.feature(audiofeat)
audiofeat = self.feataug(audiofeat)
else:
audiofeat = torch.FloatTensor(audiofeat).unsqueeze(0)
audiofeat = self.feature(audiofeat)
if os.path.exists(videofilename):
# video = np.load(videofilename, allow_pickle=True)['data']
video = read_video_gray(videofilename)
else:
video = np.random.rand(50,96,96)
length_video = math.floor(self.num_second * self.video_fps)
if video.shape[0] < length_video:
shortage = length_video - video.shape[0]
video = np.pad(video, ((0, shortage), (0, 0), (0, 0)), 'wrap')
start_videoframe = math.floor((start_audiopoint / sr) * self.video_fps) # corresponds to audio sampling
if start_videoframe + length_video < len(video):
video = video[start_videoframe:start_videoframe + length_video]
else:
video = video[-length_video:]
video = get_preprocessing_pipelines()['train'](video)
videofeat = np.stack(video,axis=0)
videofeat = np.array(videofeat).astype(np.float32)
return audiofeat.squeeze(0), torch.from_numpy(videofeat).unsqueeze(0), self.data_label[index]
# class CrossModalLipTrainset(Dataset):
# def __init__(self, audioopts):
# self.second_range = audioopts['seconds']
# self.num_second = random.randint(self.second_range[0], self.second_range[1])
# TRAIN_MANIFEST = audioopts['train_manifest']
# self.audioopts =audioopts
# #audio config
# self.sample_rate = audioopts['sample_rate']
# self.audiodata_dir = audioopts['train_audiodir']
# self.videodata_dir = audioopts['train_videodir']
# self.audiodata_suffix = '.wav'
# self.videodata_suffix = '.npz'
# self.video_fps = 25
# # Load data & labels
# self.data_list = {}
# self.data_label = []
# self.count = 0
# lines = open(TRAIN_MANIFEST).read().splitlines()
# dictkeys = list(set([x.split(',')[0] for x in lines]))
# dictkeys.sort()
# dictkeys = { key : ii for ii, key in enumerate(dictkeys) }
# for index, line in enumerate(lines):
# speaker_label = dictkeys[line.split(',')[0]]
# file_name = line.split(',')[2]
# num_segments = round(float(line.split(',')[3])/self.num_second + 0.5) # math trick
# if speaker_label not in self.data_list.keys():
# self.data_list[speaker_label] = []
# for i in range(num_segments):
# self.data_label.append(speaker_label)
# self.data_list[speaker_label].append(file_name + '___' + str(i))
# self.count += 1
# self.data_label_unique = list(set(self.data_label))
# self.n_spk = len(set(self.data_label))
# if 'noiseaug' in audioopts.keys():
# # Load and configure augmentation files
# musan_path = audioopts['musan_path']
# rir_path = audioopts['rir_path']
# self.noisetypes = ['noise','speech','music']
# self.noisesnr = {'noise':[0,15],'speech':[13,20],'music':[5,15]}
# self.numnoise = {'noise':[1,1], 'speech':[3,8], 'music':[1,1]}
# self.noiselist = {}
# augment_files = glob.glob(os.path.join(musan_path,'*/*/*/*.wav'))
# for file in augment_files:
# if file.split('/')[-4] not in self.noiselist:
# self.noiselist[file.split('/')[-4]] = []
# self.noiselist[file.split('/')[-4]].append(file)
# self.rir_files = glob.glob(os.path.join(rir_path,'*/*/*.wav'))
# self.noiseaug_prob = audioopts['noiseaug'] if 'noiseaug' in audioopts.keys() else 0.0
# self.speeds = audioopts['speedperturb'] if 'speedperturb' in audioopts.keys() else [1.0]
# self.feature = OnlineFbank()
# self.feataug = FeatureAug() # Spec augmentation
# def __len__(self):
# if self.count < 1090000: # lrs3
# return self.count
# else: # vox2
# return 1090000 #len(self.data_list)
# def __collate_fn__(self, batch):
# #random.seed(index)
# # prop = random.randint(0,2)
# # adata, vdata = '', '' # init
# # if prop == 0: ## positive pair - label is 1
# # spkindex = random.choice(self.data_label_unique)
# # aspkindex, vspkindex = spkindex, spkindex
# # while(1):
# # datapair = random.choices(self.data_list[spkindex], k=2)
# # adata, vdata = datapair[0], datapair[1]
# # if (adata != vdata) or len(self.data_list[spkindex])==1: break
# # else: ## negative pair - label is 0
# # aspkindex, vspkindex = 0, 0
# # while(1):
# # spkpair = random.choices(self.data_label_unique, k=2)
# # aspkindex, vspkindex = spkpair[0], spkpair[1]
# # if aspkindex != vspkindex: break
# # adata = random.choice(self.data_list[aspkindex])
# # vdata = random.choice(self.data_list[vspkindex])
# for sid in batch:
# spkindex = sid #random.choice(self.data_label_unique)
# aspkindex, vspkindex = spkindex, spkindex
# datapair = random.choice(self.data_list[spkindex])
# adata, vdata = datapair, datapair
# # random select a frame number in uniform distribution
# audiofilename = os.path.join(self.audiodata_dir, adata.split('.')[0].split('___')[0]) + self.audiodata_suffix #
# # audio sampling
# audio, sr = sf.read(audiofilename)
# if len(self.speeds) > 1:
# print('speaker augmentation is not allowed in audio-visual training')
# length_audio = self.num_second * 16000 + 240
# if audio.shape[0] <= length_audio:
# shortage = length_audio - audio.shape[0]
# audio = np.pad(audio, (0, shortage), 'wrap')
# start_audiopoint = np.int64(random.random()*(audio.shape[0]-length_audio))
# audio = audio[start_audiopoint:start_audiopoint + length_audio]
# audiofeat = np.stack([audio],axis=0)
# if 'noiseaug' in self.audioopts.keys():
# augtype = random.randint(0,2)
# if augtype == 0: # Original clean speech
# audiofeat = torch.FloatTensor(audiofeat).unsqueeze(0)
# audiofeat = self.feature(audiofeat)
# elif augtype == 1: # Noise and reverb augmentation
# noiseaugtype = random.randint(0,4)
# if noiseaugtype == 0: # Noise
# audiofeat = add_noise(audiofeat, 'noise', self.numnoise, self.noiselist, self.noisesnr, self.num_second)
# elif noiseaugtype == 1: # Music
# audiofeat = add_noise(audiofeat, 'music', self.numnoise, self.noiselist, self.noisesnr, self.num_second)
# elif noiseaugtype == 2: # speech
# audiofeat = add_noise(audiofeat, 'speech', self.numnoise, self.noiselist, self.noisesnr, self.num_second)
# elif noiseaugtype == 3: # Television noise
# audiofeat = add_noise(audiofeat, 'speech', self.numnoise, self.noiselist, self.noisesnr, self.num_second)
# audiofeat = add_noise(audiofeat, 'music', self.numnoise, self.noiselist, self.noisesnr, self.num_second)
# elif noiseaugtype == 4: # Reverberation
# audiofeat = add_rev(audiofeat, self.num_second, self.rir_files)
# audiofeat = torch.FloatTensor(audiofeat).unsqueeze(0)
# audiofeat = self.feature(audiofeat)
# elif augtype == 2: # spec augmentation
# audiofeat = torch.FloatTensor(audiofeat).unsqueeze(0)
# audiofeat = self.feature(audiofeat)
# audiofeat = self.feataug(audiofeat)
# elif 'specaug' in self.audioopts.keys():
# augtype = random.randint(0,1)
# if augtype == 0: # Original clean speech
# audiofeat = torch.FloatTensor(audiofeat).unsqueeze(0)
# audiofeat = self.feature(audiofeat)
# elif augtype == 1: # spec augmentation
# audiofeat = torch.FloatTensor(audiofeat).unsqueeze(0)
# audiofeat = self.feature(audiofeat)
# audiofeat = self.feataug(audiofeat)
# else:
# audiofeat = torch.FloatTensor(audiofeat).unsqueeze(0)
# audiofeat = self.feature(audiofeat)
# if os.path.exists(videofilename):
# video = np.load(videofilename, allow_pickle=True)['data']
# else:
# video = np.random.rand(50,96,96)
# length_video = math.floor(self.num_second * self.video_fps)
# if video.shape[0] < length_video:
# shortage = length_video - video.shape[0]
# video = np.pad(video, ((0, shortage), (0, 0), (0, 0)), 'wrap')
# start_videoframe = math.floor((start_audiopoint / sr) * self.video_fps) # corresponds to audio sampling
# if start_videoframe + length_video < len(video):
# video = video[start_videoframe:start_videoframe + length_video]
# else:
# video = video[-length_video:]
# video = get_preprocessing_pipelines()['train'](video)
# videofeat = np.stack(video,axis=0)
# videofeat = np.array(videofeat).astype(np.float32)
# return audiofeat.squeeze(0), torch.from_numpy(videofeat).unsqueeze(0), aspkindex, vspkindex
# def __getitem__(self, index):
# return index % self.n_spk # different spks per batch
class AudioTestset(Dataset):
def __init__(self, audioopts, utts, stage):
self.path = audioopts['test_trial']
if stage == 'cohort' or stage == 'submean':
self.audiodata_dir = audioopts['train_audiodir']
elif stage == 'val' or stage == 'test':
self.audiodata_dir = audioopts['test_audiodir']
self.audiodata_suffix = '.wav'
self.utts = utts
# for GRID datasets
self.resample = torchaudio.transforms.Resample(44100, 16000)
self.feature = OnlineFbank()
def __len__(self):
return len(self.utts)
def __getitem__(self, idx):
utt = self.utts[idx]
audioutt_path = os.path.join(self.audiodata_dir, utt+self.audiodata_suffix)
#audio sampling
audio, sr = sf.read(audioutt_path)
if sr != 16000:
audio = torch.from_numpy(audio[:,1].reshape(-1).astype(np.float32))
audio = self.resample(audio)
# global utterance
data_1 = torch.FloatTensor(np.stack([audio],axis=0)).unsqueeze(1)
data_1 = self.feature(data_1)
# local utterance matrix
max_audio = 300 * 160 + 240
if audio.shape[0] <= max_audio:
shortage = max_audio - audio.shape[0]
audio = np.pad(audio, (0, shortage), 'wrap')
feats = []
startframe = np.linspace(0, audio.shape[0]-max_audio, num=5)
for asf in startframe:
feats.append(audio[int(asf):int(asf)+max_audio])
feats = np.stack(feats, axis=0).astype(np.float)
data_2 = torch.FloatTensor(feats).unsqueeze(1)
data_2 = self.feature(data_2)
return data_1, data_2, utt
class VisualLipTestset(Dataset):
def __init__(self, videoopts, utts, stage):
self.path = videoopts['test_trial']
if stage == 'val' or stage == 'test':
self.videodata_dir = videoopts['test_videodir']
self.videodata_suffix = '.mp4'
self.utts = utts
def __len__(self):
return len(self.utts)
def __getitem__(self, idx):
utt = self.utts[idx]
videoutt_path = os.path.join(self.videodata_dir, utt+self.videodata_suffix)
#video sampling
if os.path.exists(videoutt_path):
# video = np.load(videoutt_path)['data']
video = read_video_gray(videoutt_path)
else:
print('no lip') #video = np.random.rand(50,96,96)
# global utterance
data_1 = torch.FloatTensor(video).unsqueeze(0)
# local utterance matrix
max_video = 50
if video.shape[0] < max_video:
shortage = max_video - video.shape[0]
video = np.pad(video, ((0, shortage), (0, 0), (0, 0)), 'wrap')
feats = []
startframe = np.linspace(0, video.shape[0]-max_video, num=5)
for asf in startframe:
feats.append(video[int(asf):int(asf)+max_video])
feats = np.stack(feats, axis=0).astype(np.float)
data_2 = torch.FloatTensor(feats).unsqueeze(1)
return data_1, data_2, utt
class AudioVisualLipTestset(Dataset):
def __init__(self, opts, utts, stage):
self.path = opts['test_trial']
if stage == 'val' or stage == 'test':
self.audiodata_dir = opts['test_audiodir']
self.videodata_dir = opts['test_videodir']
self.audiodata_suffix = '.wav'
self.videodata_suffix = '.mp4'
self.utts = utts
# for GRID datasets
self.resample = torchaudio.transforms.Resample(44100, 16000)
self.feature = OnlineFbank()
def __len__(self):
return len(self.utts)
def __getitem__(self, idx):
utt = self.utts[idx]
audioutt_path = os.path.join(self.audiodata_dir, utt+self.audiodata_suffix)
#audio sampling
audio, sr = sf.read(audioutt_path)
if sr != 16000:
audio = torch.from_numpy(audio[:,1].reshape(-1).astype(np.float32))
audio = self.resample(audio)
# global utterance
adata_1 = torch.FloatTensor(np.stack([audio],axis=0)).unsqueeze(1)
adata_1 = self.feature(adata_1)
# local utterance matrix
max_audio = 300 * 160 + 240
if audio.shape[0] <= max_audio:
shortage = max_audio - audio.shape[0]
audio = np.pad(audio, (0, shortage), 'wrap')
feats = []
startframe = np.linspace(0, audio.shape[0]-max_audio, num=5)
for asf in startframe:
feats.append(audio[int(asf):int(asf)+max_audio])
feats = np.stack(feats, axis=0).astype(np.float)
adata_2 = torch.FloatTensor(feats).unsqueeze(1)
adata_2 = self.feature(adata_2)
videoutt_path = os.path.join(self.videodata_dir, utt+self.videodata_suffix)
#video sampling
if os.path.exists(videoutt_path):
# video = np.load(videoutt_path)['data']
video = read_video_gray(videoutt_path)
else:
print('no lip') #video = np.random.rand(50,96,96)
# global utterance
vdata_1 = torch.FloatTensor(video).unsqueeze(0)
# local utterance matrix
max_video = 50
if video.shape[0] < max_video:
shortage = max_video - video.shape[0]
video = np.pad(video, ((0, shortage), (0, 0), (0, 0)), 'wrap')
feats = []
startframe = np.linspace(0, video.shape[0]-max_video, num=5)
for asf in startframe:
feats.append(video[int(asf):int(asf)+max_video])
feats = np.stack(feats, axis=0).astype(np.float)
vdata_2 = torch.FloatTensor(feats).unsqueeze(1)
return adata_1, adata_2, vdata_1, vdata_2, utt
class Vox2Submeanset(Dataset):
def __init__(self, opts):
'''
default sample rate is 16kHz
'''
opts_audio = opts['audio_feature']
self.path = opts['train_manifest']
#audio config
self.rate = opts_audio['rate']
self.feat_type = opts_audio['feat_type']
self.opts_audio = opts_audio[self.feat_type] # can choose mfcc or fbank as input feat
self.audiodata_dir = opts['audiodata_dir']
self.audiodata_suffix = '.wav'
self.utts = []
self.count = 0
with open(self.path, 'r') as f:
reader = csv.reader(f)
for _, _, filename, _, _ in reader:
self.utts.append(filename)
self.count += 1
def fix_length(self, feat, max_length=300):
max_length = max_length * 160 + 240
out_feat = feat
while out_feat.shape[0] < max_length:
out_feat = np.concatenate((out_feat, feat), axis=0)
feat_len = out_feat.shape[0]
start = random.randint(a=0, b=feat_len-max_length)
end = start + max_length
out_feat = out_feat[start:end,]
return out_feat
def __len__(self):
return len(self.utts)
def __getitem__(self, idx):
utt = self.utts[idx]
audioutt_path = os.path.join(self.audiodata_dir, utt+self.audiodata_suffix)
#audio sampling
audiofeat, rate = sf.read(audioutt_path)
audiofeat = self.fix_length(audiofeat, max_length=600)
audiofeat = np.array(audiofeat).astype(np.float32)
return torch.from_numpy(audiofeat).unsqueeze(0), utt