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video.py
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video.py
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import glob
import random
from typing import List
from PIL import ImageFont
from loguru import logger
from moviepy.editor import *
from moviepy.video.tools.subtitles import SubtitlesClip
from app.models.schema import VideoAspect, VideoParams, VideoConcatMode
from app.utils import utils
def get_bgm_file(bgm_type: str = "random", bgm_file: str = ""):
if not bgm_type:
return ""
if bgm_file and os.path.exists(bgm_file):
return bgm_file
if bgm_type == "random":
suffix = "*.mp3"
song_dir = utils.song_dir()
files = glob.glob(os.path.join(song_dir, suffix))
return random.choice(files)
return ""
def combine_videos(combined_video_path: str,
video_paths: List[str],
audio_file: str,
video_aspect: VideoAspect = VideoAspect.portrait,
video_concat_mode: VideoConcatMode = VideoConcatMode.random,
max_clip_duration: int = 5,
threads: int = 2,
) -> str:
audio_clip = AudioFileClip(audio_file)
audio_duration = audio_clip.duration
logger.info(f"max duration of audio: {audio_duration} seconds")
# Required duration of each clip
req_dur = audio_duration / len(video_paths)
req_dur = max_clip_duration
logger.info(f"each clip will be maximum {req_dur} seconds long")
output_dir = os.path.dirname(combined_video_path)
aspect = VideoAspect(video_aspect)
video_width, video_height = aspect.to_resolution()
clips = []
video_duration = 0
# Add downloaded clips over and over until the duration of the audio (max_duration) has been reached
while video_duration < audio_duration:
# random video_paths order
if video_concat_mode.value == VideoConcatMode.random.value:
random.shuffle(video_paths)
for video_path in video_paths:
clip = VideoFileClip(video_path).without_audio()
# Check if clip is longer than the remaining audio
if (audio_duration - video_duration) < clip.duration:
clip = clip.subclip(0, (audio_duration - video_duration))
# Only shorten clips if the calculated clip length (req_dur) is shorter than the actual clip to prevent still image
elif req_dur < clip.duration:
clip = clip.subclip(0, req_dur)
clip = clip.set_fps(30)
# Not all videos are same size, so we need to resize them
clip_w, clip_h = clip.size
if clip_w != video_width or clip_h != video_height:
clip_ratio = clip.w / clip.h
video_ratio = video_width / video_height
if clip_ratio == video_ratio:
# 等比例缩放
clip = clip.resize((video_width, video_height))
else:
# 等比缩放视频
if clip_ratio > video_ratio:
# 按照目标宽度等比缩放
scale_factor = video_width / clip_w
else:
# 按照目标高度等比缩放
scale_factor = video_height / clip_h
new_width = int(clip_w * scale_factor)
new_height = int(clip_h * scale_factor)
clip_resized = clip.resize(newsize=(new_width, new_height))
background = ColorClip(size=(video_width, video_height), color=(0, 0, 0))
clip = CompositeVideoClip([
background.set_duration(clip.duration),
clip_resized.set_position("center")
])
logger.info(f"resizing video to {video_width} x {video_height}, clip size: {clip_w} x {clip_h}")
if clip.duration > max_clip_duration:
clip = clip.subclip(0, max_clip_duration)
clips.append(clip)
video_duration += clip.duration
video_clip = concatenate_videoclips(clips)
video_clip = video_clip.set_fps(30)
logger.info(f"writing")
# https://github.com/harry0703/MoneyPrinterTurbo/issues/111#issuecomment-2032354030
video_clip.write_videofile(filename=combined_video_path,
threads=threads,
logger=None,
temp_audiofile_path=output_dir,
audio_codec="aac",
fps=30,
)
video_clip.close()
logger.success(f"completed")
return combined_video_path
def wrap_text(text, max_width, font='Arial', fontsize=60):
# 创建字体对象
font = ImageFont.truetype(font, fontsize)
def get_text_size(inner_text):
inner_text = inner_text.strip()
left, top, right, bottom = font.getbbox(inner_text)
return right - left, bottom - top
width, height = get_text_size(text)
if width <= max_width:
return text, height
# logger.warning(f"wrapping text, max_width: {max_width}, text_width: {width}, text: {text}")
processed = True
_wrapped_lines_ = []
words = text.split(" ")
_txt_ = ''
for word in words:
_before = _txt_
_txt_ += f"{word} "
_width, _height = get_text_size(_txt_)
if _width <= max_width:
continue
else:
if _txt_.strip() == word.strip():
processed = False
break
_wrapped_lines_.append(_before)
_txt_ = f"{word} "
_wrapped_lines_.append(_txt_)
if processed:
_wrapped_lines_ = [line.strip() for line in _wrapped_lines_]
result = '\n'.join(_wrapped_lines_).strip()
height = len(_wrapped_lines_) * height
# logger.warning(f"wrapped text: {result}")
return result, height
_wrapped_lines_ = []
chars = list(text)
_txt_ = ''
for word in chars:
_txt_ += word
_width, _height = get_text_size(_txt_)
if _width <= max_width:
continue
else:
_wrapped_lines_.append(_txt_)
_txt_ = ''
_wrapped_lines_.append(_txt_)
result = '\n'.join(_wrapped_lines_).strip()
height = len(_wrapped_lines_) * height
# logger.warning(f"wrapped text: {result}")
return result, height
def generate_video(video_path: str,
audio_path: str,
subtitle_path: str,
output_file: str,
params: VideoParams,
):
aspect = VideoAspect(params.video_aspect)
video_width, video_height = aspect.to_resolution()
logger.info(f"start, video size: {video_width} x {video_height}")
logger.info(f" ① video: {video_path}")
logger.info(f" ② audio: {audio_path}")
logger.info(f" ③ subtitle: {subtitle_path}")
logger.info(f" ④ output: {output_file}")
# https://github.com/harry0703/MoneyPrinterTurbo/issues/217
# PermissionError: [WinError 32] The process cannot access the file because it is being used by another process: 'final-1.mp4.tempTEMP_MPY_wvf_snd.mp3'
# write into the same directory as the output file
output_dir = os.path.dirname(output_file)
font_path = ""
if params.subtitle_enabled:
if not params.font_name:
params.font_name = "STHeitiMedium.ttc"
font_path = os.path.join(utils.font_dir(), params.font_name)
if os.name == 'nt':
font_path = font_path.replace("\\", "/")
logger.info(f"using font: {font_path}")
def create_text_clip(subtitle_item):
phrase = subtitle_item[1]
max_width = video_width * 0.9
wrapped_txt, txt_height = wrap_text(phrase,
max_width=max_width,
font=font_path,
fontsize=params.font_size
)
_clip = TextClip(
wrapped_txt,
font=font_path,
fontsize=params.font_size,
color=params.text_fore_color,
bg_color=params.text_background_color,
stroke_color=params.stroke_color,
stroke_width=params.stroke_width,
print_cmd=False,
)
duration = subtitle_item[0][1] - subtitle_item[0][0]
_clip = _clip.set_start(subtitle_item[0][0])
_clip = _clip.set_end(subtitle_item[0][1])
_clip = _clip.set_duration(duration)
if params.subtitle_position == "bottom":
_clip = _clip.set_position(('center', video_height * 0.95 - _clip.h))
elif params.subtitle_position == "top":
_clip = _clip.set_position(('center', video_height * 0.1))
else:
_clip = _clip.set_position(('center', 'center'))
return _clip
video_clip = VideoFileClip(video_path)
audio_clip = AudioFileClip(audio_path).volumex(params.voice_volume)
if subtitle_path and os.path.exists(subtitle_path):
sub = SubtitlesClip(subtitles=subtitle_path, encoding='utf-8')
text_clips = []
for item in sub.subtitles:
clip = create_text_clip(subtitle_item=item)
text_clips.append(clip)
video_clip = CompositeVideoClip([video_clip, *text_clips])
bgm_file = get_bgm_file(bgm_type=params.bgm_type, bgm_file=params.bgm_file)
if bgm_file:
try:
bgm_clip = (AudioFileClip(bgm_file)
.volumex(params.bgm_volume)
.audio_fadeout(3))
bgm_clip = afx.audio_loop(bgm_clip, duration=video_clip.duration)
audio_clip = CompositeAudioClip([audio_clip, bgm_clip])
except Exception as e:
logger.error(f"failed to add bgm: {str(e)}")
video_clip = video_clip.set_audio(audio_clip)
video_clip.write_videofile(output_file,
audio_codec="aac",
temp_audiofile_path=output_dir,
threads=params.n_threads or 2,
logger=None,
fps=30,
)
video_clip.close()
logger.success(f"completed")
if __name__ == "__main__":
txt_en = "Here's your guide to travel hacks for budget-friendly adventures"
txt_zh = "测试长字段这是您的旅行技巧指南帮助您进行预算友好的冒险"
font = utils.resource_dir() + "/fonts/STHeitiMedium.ttc"
for txt in [txt_en, txt_zh]:
t, h = wrap_text(text=txt, max_width=1000, font=font, fontsize=60)
print(t)
task_id = "aa563149-a7ea-49c2-b39f-8c32cc225baf"
task_dir = utils.task_dir(task_id)
video_file = f"{task_dir}/combined-1.mp4"
audio_file = f"{task_dir}/audio.mp3"
subtitle_file = f"{task_dir}/subtitle.srt"
output_file = f"{task_dir}/final.mp4"
# video_paths = []
# for file in os.listdir(utils.storage_dir("test")):
# if file.endswith(".mp4"):
# video_paths.append(os.path.join(utils.storage_dir("test"), file))
#
# combine_videos(combined_video_path=video_file,
# audio_file=audio_file,
# video_paths=video_paths,
# video_aspect=VideoAspect.portrait,
# video_concat_mode=VideoConcatMode.random,
# max_clip_duration=5,
# threads=2)
cfg = VideoParams()
cfg.video_aspect = VideoAspect.portrait
cfg.font_name = "STHeitiMedium.ttc"
cfg.font_size = 60
cfg.stroke_color = "#000000"
cfg.stroke_width = 1.5
cfg.text_fore_color = "#FFFFFF"
cfg.text_background_color = "transparent"
cfg.bgm_type = "random"
cfg.bgm_file = ""
cfg.bgm_volume = 1.0
cfg.subtitle_enabled = True
cfg.subtitle_position = "bottom"
cfg.n_threads = 2
cfg.paragraph_number = 1
cfg.voice_volume = 1.0
generate_video(video_path=video_file,
audio_path=audio_file,
subtitle_path=subtitle_file,
output_file=output_file,
params=cfg
)