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import os
import torchaudio
import torchvision
def split_file(filename, max_frames=600, fps=25.0):
lines = open(filename).read().splitlines()
flag = 0
stack = []
res = []
tmp = 0
start_timestamp = 0.0
threshold = max_frames / fps
for line in lines:
if "WORD START END ASDSCORE" in line:
flag = 1
continue
if flag:
word, start, end, score = line.split(" ")
start, end, score = float(start), float(end), float(score)
if end < tmp + threshold:
stack.append(word)
last_timestamp = end
else:
res.append([" ".join(stack), start_timestamp, last_timestamp, last_timestamp - start_timestamp])
tmp = start
start_timestamp = start
stack = [word]
if stack:
res.append([" ".join(stack), start_timestamp, end, end - start_timestamp])
return res
def save_vid_txt(dst_vid_filename, dst_txt_filename, trim_video_data, content, video_fps=25):
# -- save video
save2vid(dst_vid_filename, trim_video_data, video_fps)
# -- save text
os.makedirs(os.path.dirname(dst_txt_filename), exist_ok=True)
f = open(dst_txt_filename, "w")
f.write(f"{content}")
f.close()
def save_vid_aud(
dst_vid_filename, dst_aud_filename, trim_vid_data, trim_aud_data, video_fps=25, audio_sample_rate=16000
):
# -- save video
save2vid(dst_vid_filename, trim_vid_data, video_fps)
# -- save audio
save2aud(dst_aud_filename, trim_aud_data, audio_sample_rate)
def save_vid_aud_txt(
dst_vid_filename,
dst_aud_filename,
dst_txt_filename,
trim_vid_data,
trim_aud_data,
content,
video_fps=25,
audio_sample_rate=16000,
):
# -- save video
save2vid(dst_vid_filename, trim_vid_data, video_fps)
# -- save audio
save2aud(dst_aud_filename, trim_aud_data, audio_sample_rate)
# -- save text
os.makedirs(os.path.dirname(dst_txt_filename), exist_ok=True)
f = open(dst_txt_filename, "w")
f.write(f"{content}")
f.close()
def save2vid(filename, vid, frames_per_second):
os.makedirs(os.path.dirname(filename), exist_ok=True)
torchvision.io.write_video(filename, vid, frames_per_second)
def save2aud(filename, aud, sample_rate):
os.makedirs(os.path.dirname(filename), exist_ok=True)
torchaudio.save(filename, aud, sample_rate)
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