def preview_audio(args):
output_directory = args.output_directory
audio_source = args.audio_source
duration = args.duration
audio_events_mode = args.audio_events_mode
preview_mode = args.preview_mode
# Prepare Inputs
audio_file = get_audio_file(audio_source, duration)
filename = paths.filename_from_path(audio_file) if audio_file else ''
output_extension = '.wav' if preview_mode == PreviewMode.AUDIO else VideoWriter.VIDEO_EXTENSION
output_path = os.path.join(
output_directory, filename + "_marked_audio_preview_" +
(audio_events_mode if audio_events_mode else "") + output_extension)
generator = MusicVideoGenerator(audio_file, duration=duration)
try:
events = prepare_events(generator, args)
except ParameterError as e:
shutdown(str(e))
message(
f"Creating audio preview '{paths.filename_from_path(output_path)}'...")
generator.preview_events(events, output_path, preview_mode)
def test_music_video_generator__creates_music_video_with_duration(
orange_source):
generator = MusicVideoGenerator(video_sources=[orange_source],
duration=.1,
video_filters=[])
music_video = generator.generate_from_events([.02, .04],
progress_bar=False)
assert len(music_video.segments) == 3
assert music_video.compose().duration == .1
def test_music_video_generator__creates_music_video(shinsekai_source):
generator = MusicVideoGenerator(audio_file=f'{DATA_PATH}/audio/soft.mp3',
video_sources=[shinsekai_source])
music_video = generator.generate_from_events(generator.audio.beats(),
progress_bar=False)
def test_music_video_generator__creates_preview():
generator = MusicVideoGenerator(audio_file=f'{DATA_PATH}/audio/soft.mp3')
preview_path = generator.preview_events(generator.audio.beats(),
progress_bar=False)
def test_music_video_generator__requires_audio_file_or_duration(orange_source):
with pytest.raises(ParameterError):
generator = MusicVideoGenerator(video_sources=[orange_source])
def create_music_video(args):
output_directory = args.output_directory
video_name = args.video_name
audio_source = args.audio_source
duration = args.duration
video_sources = args.video_sources
video_source_weights = args.video_source_weights
fade_in = args.fade_in
fade_out = args.fade_out
video_filters = args.video_filters
exclude_video_filters = args.exclude_video_filters
include_video_filters = args.include_video_filters
use_original_audio = args.use_original_audio
video_dimensions = args.video_dimensions
video_aspect_ratio = args.video_aspect_ratio
video_preset = args.video_preset
video_codec = args.video_codec
video_crf = args.video_crf
audio_codec = args.audio_codec
audio_bitrate = args.audio_bitrate
save_segments = args.save_segments
# Prepare Inputs
audio_file = get_audio_file(audio_source, duration)
if video_sources:
video_source_files = cli_util.video_files_from_sources(video_sources)
else:
video_source_files = cli_util.prompt_files_selection(c.FileType.VIDEO)
video_sources = VideoSourceList(video_source_files,
weights=video_source_weights)
generator = MusicVideoGenerator(
audio_file,
video_sources,
duration=duration,
video_filters=video_filters,
exclude_video_filters=exclude_video_filters,
include_video_filters=include_video_filters)
message(
f"Weights\n------------\n{generator.video_sources.flatten().weight_stats()}"
)
try:
events = prepare_events(generator, args)
except ParameterError as e:
shutdown(str(e))
message("Generating music video from video segments and audio...")
music_video = generator.generate_from_events(events)
# Apply effects
if fade_in:
music_video.segments[0].effects.add_fadein(fade_in)
if fade_out:
music_video.segments[-1].effects.add_fadeout(fade_out)
# Print stats for rejected video segments
cli_util.print_rejected_segment_stats(generator)
# Create the directory for the music video
music_video_name = cli_util.get_music_video_name(output_directory,
video_name)
music_video_directory = os.path.join(output_directory, music_video_name)
music_video_output_path = os.path.join(
music_video_directory, music_video_name + VideoWriter.VIDEO_EXTENSION)
music_video_pickle_path = os.path.join(
music_video_directory, music_video_name + Persistable.PICKLE_EXTENSION)
util.ensure_dir(music_video_directory)
message(f"Writing music video '{music_video_output_path}'...")
# Save the music video
if video_preset:
music_video.writer.preset = video_preset
if video_codec:
music_video.writer.codec = video_codec
if video_crf:
music_video.writer.crf = video_crf
if audio_codec:
music_video.writer.audio_codec = audio_codec
if audio_bitrate:
music_video.writer.audio_bitrate = audio_bitrate
if use_original_audio:
music_video.audio_file = None
if video_dimensions:
music_video.dimensions = video_dimensions
if video_aspect_ratio:
music_video.aspect_ratio = video_aspect_ratio
music_video.write_to_video_file(music_video_output_path)
music_video.save(music_video_pickle_path)
# Save the individual segments if asked to do so
if save_segments:
message("Saving video segments...")
music_video.write_video_segments(music_video_directory)
def create_music_video(args):
output_directory = args.output_directory
video_name = args.video_name
audio_source = args.audio_source
duration = args.duration
video_sources = args.video_sources
video_source_weights = args.video_source_weights
fade_in = args.fade_in
fade_out = args.fade_out
video_filters = args.video_filters
exclude_video_filters = args.exclude_video_filters
include_video_filters = args.include_video_filters
use_original_audio = args.use_original_audio
video_dimensions = args.video_dimensions
video_aspect_ratio = args.video_aspect_ratio
video_preset = args.video_preset
video_codec = args.video_codec
video_crf = args.video_crf
audio_codec = args.audio_codec
audio_bitrate = args.audio_bitrate
save_segments = args.save_segments
video_ext = args.video_ext
force_video_split = args.force_video_split
force_video_split_locs = args.force_video_split_locs
VideoWriter.VIDEO_EXTENSION = video_ext
video_source_files = files_from_sources(video_sources)
video_sources = VideoSourceList(video_source_files,
weights=video_source_weights)
generator = MusicVideoGenerator(
audio_source,
video_sources,
duration=duration,
video_filters=video_filters,
exclude_video_filters=exclude_video_filters,
include_video_filters=include_video_filters,
)
message(
f"Weights\n------------\n{generator.video_sources.flatten().weight_stats()}"
)
try:
events = prepare_events(generator, args)
except ParameterError as e:
shutdown(str(e))
message("Generating music video from video segments and audio...")
music_video = generator.generate_from_events(
events,
force_video_split=force_video_split,
force_video_split_locs=force_video_split_locs)
# Apply effects
if fade_in:
music_video.segments[0].effects.add_fadein(fade_in)
if fade_out:
music_video.segments[-1].effects.add_fadeout(fade_out)
# Print stats for rejected video segments
print_rejected_segment_stats(generator)
# Create the directory for the music video
music_video_name = get_music_video_name(output_directory, video_name)
music_video_directory = os.path.join(output_directory, music_video_name)
music_video_output_path = os.path.join(
music_video_directory, music_video_name + VideoWriter.VIDEO_EXTENSION)
music_video_pickle_path = os.path.join(
music_video_directory, music_video_name + Persistable.PICKLE_EXTENSION)
util.ensure_dir(music_video_directory)
message(f"Writing music video '{music_video_output_path}'...")
# Save the music video
if video_preset:
music_video.writer.preset = video_preset
if video_codec:
music_video.writer.codec = video_codec
if video_crf:
music_video.writer.crf = video_crf
if audio_codec:
music_video.writer.audio_codec = audio_codec
if audio_bitrate:
music_video.writer.audio_bitrate = audio_bitrate
if use_original_audio:
music_video.audio_file = None
if video_dimensions:
music_video.dimensions = video_dimensions
if video_aspect_ratio:
music_video.aspect_ratio = video_aspect_ratio
music_video.save(music_video_pickle_path)
if VideoWriter.VIDEO_EXTENSION == '.mkv':
print('Adding subtitles because mkv supports')
music_video.write_to_video_file(music_video_output_path)
else:
print('Mp4 doesnt support multiple subtitle tracks')
music_video.write_to_video_file(music_video_output_path,
add_auxiliary_tracks=False)
#music_video.save(music_video_pickle_path)
# Save the individual segments if asked to do so
if save_segments:
message("Saving video segments...")
music_video.write_video_segments(music_video_directory)