def render(self, name, start_offset, duration, fps=30, audio=None):
"""
render object
:param name: file to save as
:param start_offset: where to start
:param duration: how long the clip will be
:param fps: default: 30
:param audio: audio file path
:return: None. saves file
"""
self.offset = start_offset
clip = mpy.VideoClip(self.make_frame, duration=duration * self.speed).speedx(self.speed)
if audio is not None:
subprocess.run(["ffmpeg", "-loglevel", "quiet", "-i", audio, "-filter:a",
f"atempo={self.speed}", "-vn", f"{audio}.mp3"])
audio = f"{audio}.mp3"
audio_start_offset = start_offset
acl = mpy.AudioFileClip(audio)
blnk = mpy.AudioClip(lambda x: 0, duration=self.minimum / 1000)
aftr = max(0, (duration + audio_start_offset) - acl.duration)
ablnk = mpy.AudioClip(lambda x: 0, duration=aftr)
snd = mpy.concatenate_audioclips([blnk, acl, ablnk])
clip = clip.set_audio(snd.subclip(audio_start_offset, duration + audio_start_offset))
# remove(audio)
if name.endswith(".gif"):
clip.write_gif(name, fps=fps)
subprocess.run(
["../gifsicle-1.82.1-lossy/mac/gifsicle", "-O3", "--lossy=30", "-o",
"circle.gif", "circle.gif"])
else:
clip.write_videofile(name, fps=fps)
def change_audio(dir, vid_file, cap_file):
video = mp.VideoFileClip(dir + vid_file)
with open(dir + cap_file) as f:
j = json.loads(f.read())
starts = list(map(lambda c: float(c['start']), j))
nbrClips = len(starts)
clips = list(map(lambda s: mp.AudioFileClip("./media/tmp/{}.mp3".format(s)), range(nbrClips)))
clips = list(map(lambda c: c.subclip(0, c.duration*0.8), clips))
# print(starts)
current = 0
make_frame = lambda t: [0]
padded_clips = []
for i in range(nbrClips):
if current < starts[i]:
padded_clips.append(mp.AudioClip(make_frame, duration=starts[i] - current))
current = starts[i]
padded_clips.append(clips[i])
current += clips[i].duration
concat = mp.concatenate_audioclips(padded_clips)
concat.write_audiofile(dir + 'audio.mp3')
video.write_videofile('media/ready/' + vid_file, audio = dir + 'audio.mp3')
def save_to_file(self, filename):
scipy.io.wavfile.write(filename, int(AudioBlock.SampleRate),
self.samples)
return
clip = movie_editor.AudioClip(self.make_audio_frame,
duration=self.get_time_duration())
#clip = movie_editor.AudioArrayClip(self.samples, fps=AudioBlock.SampleRate)
clip.write_audiofile(filename, fps=int(AudioBlock.SampleRate))
del clip
def get_audio_clip(self):
if not os.path.isfile(self.filename):
audio_clip = movie_editor.AudioClip(self._blank_clip_make_frame,
duration=1)
audio_clip = audio_clip.set_fps(AudioBlock.SampleRate)
return audio_clip
audioclip = movie_editor.AudioFileClip(self.filename)
if self.preload and audioclip.duration > self.MAX_DURATION_SECONDS:
audioclip = audioclip.set_duration(self.MAX_DURATION_SECONDS)
return audioclip
def pad_effect(start, effect, duration):
def pad_effect_frame(times, start=start, effect=effect):
if type(times) == int: return [0, 0]
return [
effect.get_frame(time - start)
if start < time < start + effect.duration else [0, 0]
for time in times
]
return editor.AudioClip(pad_effect_frame, duration=duration)
def make_video(profile, name='test', bbox=None, plot_type='profile_plot'):
"""
plot_type .. 'power_plot', 'profile_plot', 'peaks_plot'
"""
if bbox is None: bbox = Bbox(profile.spectrum, end_freq=500.)
registry = ['power_plot', 'profile_plot', 'peaks_plot']
if plot_type == 'all': plot_type = registry
if type(plot_type) is not str:
for ptype in plot_type:
make_video(profile, name, bbox, ptype)
return
import moviepy.editor as mpy # deferred import in case moviepy is not installed
from moviepy.video.io.bindings import mplfig_to_npimage
sound = profile.spectrum.sound
# normalize in case very quiet
sound_array = sound.data / (2 * np.abs(sound.data).max())
def video_fn(t):
"""make one frame of video"""
t += bbox.start_time
fn = getattr(profile, plot_type)
fig = fn(t=t, bbox=bbox)
return mplfig_to_npimage(fig)
def audio_fn(t):
"""make one "frame" of audio"""
t += bbox.start_time
if type(t) is int:
i = t * sound.samplerate
elif type(t) is float:
i = int(t * sound.samplerate)
else:
i = (t * sound.samplerate).astype(int)
return sound_array[i]
duration = bbox.end_time - bbox.start_time
video_clip = mpy.VideoClip(video_fn, duration=duration)
audio_clip = mpy.AudioClip(audio_fn, duration=duration)
animation = video_clip.set_audio(audio_clip)
animation.to_videofile(name + '_' + plot_type + '.avi',
codec='libx264',
fps=24) # codec='mpeg4'
def add_beep_audio(self) -> None:
"""Add a single tone as audio track."""
tone = med.AudioClip(make_sin, duration=self.clip.duration)
self.clip = self.clip.set_audio(tone)
def add_silence(self, duration_s: float) -> None:
"""Add a silence of a certain duration the an audio clip."""
silence_clip = med.AudioClip(silence, duration=duration_s)
self.clip = med.concatenate_audioclips([silence_clip, self.clip])
def get_effects(video, effect):
if 'image' in effect:
clip = (mp.ImageClip(effect['image']['file_or_url']))
clip = clip.set_start(effect['duration']['start'])
clip = clip.set_duration(effect['duration']['end'] -
effect['duration']['start'])
clip = clip.set_pos(
(effect['position']['width'], effect['position']['height']))
if effect.get('fade', {}).get('in'):
clip = clip.crossfadein(effect['fade']['in'])
if effect.get('fade', {}).get('out'):
clip = clip.crossfadeout(effect['fade']['out'])
if effect.get('position', {}).get('rotate'):
clip = clip.rotate(effect['position']['rotate'])
yield clip
if 'text' in effect:
# Requires working installation of ImageMagick
try:
clip = mp.TextClip(txt=effect['text']['message'],
color=effect['text'].get('color', '#666666'),
font=effect['text'].get('font', 'Courier'),
fontsize=effect['text'].get('size', 12),
align=effect['text'].get('align', 'center'),
kerning=effect['text'].get('kerning', 0))
# Alternate method using Pillow - no need to set position text is already positioned within image
except:
clip = (mp.ImageClip(get_text_image(effect)))
clip = clip.set_start(effect['duration']['start'])
clip = clip.set_duration(effect['duration']['end'] -
effect['duration']['start'])
clip = clip.set_pos(
(effect['position']['width'], effect['position']['height']))
if effect.get('fade', {}).get('in'):
clip = clip.crossfadein(effect['fade']['in'])
if effect.get('fade', {}).get('out'):
clip = clip.crossfadeout(effect['fade']['out'])
if effect.get('position', {}).get('rotate'):
clip = clip.rotate(effect['position']['rotate'])
yield clip
elif 'audio' in effect:
clip = (mp.AudioClip(effect['audio']['file_or_url']))
clip = clip.set_start(effect['duration']['start'])
clip = clip.set_duration(effect['duration']['end'] -
effect['duration']['start'])
yield clip
def main():
extensions = ['ogv', 'mov']
trial = ['326', '160']
folders = [
'../video_302_20210514-143755-6691',
'../video_305_20210514-141912-2142'
]
filter_bad_frames = [True, False]
for index_trial in [0, 1]:
results_df = pd.read_csv(
f'{folders[index_trial]}/structured_output.csv')
results_df = results_df[results_df['trial'] == float(
trial[index_trial])]
table_et_pt1 = ASC2CSV(
f'{folders[index_trial]}/et{trial[index_trial]}.asc')
table_et_pt2 = ASC2CSV(
f'{folders[index_trial]}/et{trial[index_trial]}pt2.asc')
list_of_videos = []
for screen in range(1, 13):
results_df_this_screen = results_df[results_df['screen'] == screen]
video_filename = f'{folders[index_trial]}/recorded_screen_{screen}_trial_{trial[index_trial]}_0001.{extensions[index_trial]}'
if os.path.isfile(video_filename):
my_clip = mpe.VideoFileClip(video_filename)
if screen in [2, 4, 7, 9]:
start_video = results_df_this_screen[
results_df_this_screen['title'] ==
'start_video_recording']['timestamp'].values[
0] * 24 * 60 * 60
#the only screen with audio is screen 2
if screen == 2:
table_et_2 = table_et_pt1.copy()
start_video_2 = start_video
my_clip = fl(
my_clip, lambda get_frame, t: scroll(
get_frame, t, table_et_2, start_video_2),
filter_bad_frames[index_trial])
delay_audio = results_df_this_screen[
results_df_this_screen['title'] ==
'start_audio_recording']['timestamp'].values[
0] * 24 * 60 * 60 - start_video
#generate the audio from the timestamped transcription
if use_digital_audio:
full_audio = AudioSegment.empty()
previous_end = 0
with open(
f'{folders[index_trial]}/{trial[index_trial]}_joined.json',
'r') as f:
table_text = json.load(f)['timestamps']
with open(
f'{folders[index_trial]}/{trial[index_trial]}_trim.json',
'r') as f:
b = json.load(f)
trim_value = float(b['start_trim']) / 1000
for row in table_text:
print(row[1])
print(trim_value)
#row[1] is the timestamp for the start of the word, and row[2] the timestamp for the end of the word
row[1] += trim_value
row[2] += trim_value
print(row[1])
# if start and end of the word are at the same time, it was not captured by the original transcription, so we do not use it in the audio, only in subtitle
if row[1] == row[2]:
continue
# text to speech
tts = SaveTTSFile('create_video_temp.wav')
tts.start(
row[0].replace('.', 'period').replace(
',', 'comma').replace('/', 'slash'),
row[1], row[2])
for i in range(10):
if not os.path.exists(
'./create_video_temp.wav'):
time.sleep(1)
else:
break
if i > 10:
assert (False)
del (tts)
# add silence between words if they did not end/start at the same time
if row[1] > previous_end:
full_audio += AudioSegment.silent(
duration=(row[1] - previous_end) *
1000)
print(full_audio.duration_seconds)
print(row[1])
assert (abs(full_audio.duration_seconds -
row[1]) < 0.002)
#change the duration of the word sound to the duration it took for the radiologist to say it
word_audio = AudioSegment.from_file(
'create_video_temp.wav', format="wav")
word_audio = stretch_audio(
word_audio, 'create_video_temp.wav',
word_audio.duration_seconds /
(row[2] - row[1]))
full_audio += word_audio
assert (abs(full_audio.duration_seconds -
row[2]) < 0.002)
previous_end = row[2]
full_audio.export("create_video_temp.wav",
format="wav")
audio_background = mpe.AudioFileClip(
'create_video_temp.wav')
os.remove('./create_video_temp.wav')
else:
audio_background = mpe.AudioFileClip(
f'{folders[index_trial]}/{trial[index_trial]}.wav'
)
# delay_audio = round(delay_audio*my_clip.fps)/my_clip.fps
if delay_audio > 0:
null_audio = mpe.AudioClip(lambda t: 0,
duration=delay_audio)
audio_background = mpe.concatenate_audioclips(
[null_audio, audio_background])
delay_audio = 0
delay_end_video = my_clip.duration - audio_background.duration
if delay_end_video > 0:
null_audio = mpe.AudioClip(
lambda t: 0, duration=delay_end_video)
audio_background = mpe.concatenate_audioclips(
[audio_background, null_audio])
delay_end_video = 0
audio_background.write_audiofile('temp_crop_audio.wav')
trim_audio('temp_crop_audio.wav', -delay_audio,
-delay_end_video)
audio_background = mpe.AudioFileClip(
'temp_crop_audio.wav')
else:
if screen == 4:
table_et_this_screen_4 = table_et_pt2[
table_et_pt2['index_edf'] == 0]
start_video_4 = start_video
my_clip = fl(
my_clip, lambda get_frame, t: scroll(
get_frame, t, table_et_this_screen_4,
start_video_4),
filter_bad_frames[index_trial])
if screen == 7:
table_et_this_screen_7 = table_et_pt2[
table_et_pt2['index_edf'] == 1]
start_video_7 = start_video
my_clip = fl(
my_clip, lambda get_frame, t: scroll(
get_frame, t, table_et_this_screen_7,
start_video_7),
filter_bad_frames[index_trial])
if screen == 9:
table_et_this_screen_9 = table_et_pt2[
table_et_pt2['index_edf'] == 2]
start_video_9 = start_video
my_clip = fl(
my_clip, lambda get_frame, t: scroll(
get_frame, t, table_et_this_screen_9,
start_video_9),
filter_bad_frames[index_trial])
else:
my_clip = fl(my_clip, clean,
filter_bad_frames[index_trial])
if screen != 2:
audio_background = mpe.AudioClip(lambda t: 0,
duration=my_clip.duration)
my_clip = my_clip.set_audio(audio_background)
list_of_videos.append(my_clip)
final = mpe.concatenate_videoclips(list_of_videos)
final.write_videofile(f"movie_{extensions[index_trial]}.mp4",
audio_codec='aac',
codec="libx264",
temp_audiofile='temp-audio.m4a',
remove_temp=True,
fps=30,
bitrate="5000k")
os.remove('./create_video_temp.wav')
