"""Decode selected video frames and save the editable scene with MP4 settings."""
import bpy, os
ROOT=os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
OUT=os.path.join(ROOT,'preview')
bpy.ops.wm.read_factory_settings(use_empty=True)
s=bpy.context.scene;s.render.resolution_x=1280;s.render.resolution_y=720;s.render.resolution_percentage=100;s.render.fps=24
s.sequence_editor_create();strip=s.sequence_editor.sequences.new_movie('Finished video',os.path.join(OUT,'halloween_preview.mp4'),channel=1,frame_start=1)
print('DECODED MOVIE',strip.frame_duration,strip.elements[0].orig_width,strip.elements[0].orig_height)
s.render.image_settings.file_format='PNG'
for frame in [1,80,120,185,239,241,310,316,320,360,440,480]:
 s.frame_set(frame);s.render.filepath=os.path.join(OUT,'frames','review_%03d.png'%frame);bpy.ops.render.render(write_still=True)
bpy.ops.wm.open_mainfile(filepath=os.path.join(OUT,'halloween_preview.blend'))
s=bpy.context.scene;s.frame_set(1)
s.render.image_settings.file_format='FFMPEG';s.render.ffmpeg.format='MPEG4';s.render.ffmpeg.codec='H264';s.render.ffmpeg.constant_rate_factor='MEDIUM';s.render.ffmpeg.audio_codec='AAC';s.render.ffmpeg.audio_bitrate=192;s.render.filepath='//halloween_preview.mp4'
bpy.ops.wm.save_as_mainfile(filepath=os.path.join(OUT,'halloween_preview.blend'))