def from_text(cls, text, language='en-US', rate=0.4, videopath=None):
"""
Create a video from a text.
"""
speaker = GoogleSpeaker()
audio_filepath = speaker.speak(text, language=language, rate=rate)
if not videopath:
basename = os.path.splitext(os.path.basename(audio_filepath))[0]
filename = f'{basename}{cls.TARGET_EXTENSION}'
video_path = path_in_medialib(filename)
analyst = AudioAnalyst(audio_filepath, text)
analysis = analyst.analyse()
image_maker = ImageMaker(analysis)
pattern = image_maker.save_images()
outdict = {'vcodec': 'h264', 'shortest': None}
image = ffmpeg.input(pattern)
audio = ffmpeg.input(audio_filepath)
try:
ffmpeg.output(image, audio, video_path,
**outdict).run(capture_stdout=True,
capture_stderr=True)
return videopath
except ffmpeg.Error as e:
print('stdout:', e.stdout.decode('utf8'))
print('stderr:', e.stderr.decode('utf8'))
raise e
return None
def from_audio(filename, text=None):
wav_file = path_in_medialib(filename)
analyst = AudioAnalyst(wav_file, text)
analysis = analyst.analyse()
image_maker = ImageMaker(analysis)
pattern = image_maker.save_images()
outdict = {'vcodec': 'h264', 'shortest': None}
image = ffmpeg.input(pattern)
audio = ffmpeg.input(wav_file)
video_path = f"{wav_file}.mp4"
try:
ffmpeg.output(image, audio, video_path,
**outdict).run(capture_stdout=True,
capture_stderr=True)
except ffmpeg.Error as e:
print('stdout:', e.stdout.decode('utf8'))
print('stderr:', e.stderr.decode('utf8'))
raise e
