def _compose_external_reference(self, offset, mob_id, clip):
width, height = self.streamInfo.resolution.split("x")
return ExternalReference(
clip["sourceFile"],
TimeRange(
RationalTime(0, self.streamInfo.frame_rate),
# RationalTime((end_frame - start_frame), self.frame_rate)
RationalTime(self.streamInfo.nb_frames / offset,
self.streamInfo.frame_rate)),
self._compose_external_reference_metadata(width, height, mob_id))
def _compose_video_track(self, width, height, i, video_clips):
return Track(
f"v{i}", # this used to be cast to int, but i was always int
video_clips,
TimeRange(
RationalTime(0, self.streamInfo.frame_rate),
RationalTime(self.streamInfo.nb_frames,
self.streamInfo.frame_rate)),
TrackKind.Video,
metadata=self._compose_video_metadata(width, height))
def _compose_marker(self, edit):
return Marker(
"jumpcut",
TimeRange(
RationalTime(
math.floor((edit["start"]) * self.streamInfo.frame_rate),
self.streamInfo.frame_rate),
RationalTime(
# this used to add offset to edit["end"], but offset is always 0, so...
math.floor((edit["end"]) * self.streamInfo.frame_rate),
self.streamInfo.frame_rate)),
"PURPLE")
def _compose_audio_track(self, video_track, i, audio_clips):
return Track(
f"aa{i}", # used to explicitly cast i to int, but is redundant
audio_clips,
# None,
TimeRange(
RationalTime(0, self.streamInfo.frame_rate),
RationalTime(self.streamInfo.nb_frames,
self.streamInfo.frame_rate)),
TrackKind.Audio,
metadata=self._compose_audio_metadata(video_track.name))
def _add_gaps(self, clip, video_clips, audio_clips):
timeline_start = clip["timelineStart"]
offset = 1
if len(self.layers) > 1 and timeline_start > 0:
offset = int(timeline_start / 1000 * self.streamInfo.frame_rate)
gap = ("timelineStart",
TimeRange(RationalTime(0, self.streamInfo.frame_rate),
RationalTime(offset, self.streamInfo.frame_rate)))
video_clips.append(Gap(*gap))
audio_clips.append(Gap(*gap))
self.streamInfo.nb_frames = self.streamInfo.nb_frames * offset
return offset
def _clip_export(self, sourceFile, external_reference, mob_id, start_frame,
end_frame, time_scalar):
width, height = self.streamInfo.resolution.split("x")
clip = Clip(sourceFile,
external_reference,
TimeRange(
RationalTime(start_frame, self.streamInfo.frame_rate),
RationalTime((end_frame - start_frame) * time_scalar,
self.streamInfo.frame_rate)),
metadata=self._compose_clip_metadata(
width, height, mob_id))
if time_scalar != 1:
clip.effects.append(LinearTimeWarp(time_scalar=time_scalar))
return clip
def _compose_timeline_edl(self, timeline_name, i):
return Timeline(
# "AX",
f"{timeline_name}{i // 2}.edl", # f string, also int division
# [tracks[i - 1], tracks[i]],
[self.tracks[i], self.tracks[i + 1]],
RationalTime(0, self.streamInfo.frame_rate))
def _compose_timeline_generic(self, timeline_name):
return Timeline(f"{timeline_name}.{self.streamInfo.vcodec}",
self.tracks, RationalTime(0,
self.streamInfo.frame_rate))
def range_from_s_fps(start, dur, fps):
return TimeRange(
start_time=RationalTime.from_seconds(start).rescaled_to(fps),
duration=RationalTime.from_seconds(dur).rescaled_to(fps))