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import shutil
import os
from subprocess import call
from app.settings import app_cfg
def export_video(fp_frames, fps=30):
print("Exporting video...")
cmd = [
'/home/lens/bin/ffmpeg',
'-hide_banner',
'-y', # '-v', 'quiet',
'-r', str(fps),
'-i', os.path.join(app_cfg.DIR_OUTPUTS, fp_frames, 'frame_%04d.png'),
'-pix_fmt', 'yuv420p',
os.path.join(app_cfg.DIR_OUTPUTS, fp_frames + '.mp4')
]
# print(' '.join(cmd))
call(cmd)
shutil.rmtree(os.path.join(app_cfg.DIR_OUTPUTS, fp_frames))
def export_video_final(fp_frames, fp_out, fps=25):
if os.path.exists(fp_out):
print("Video already exists: {}".format(fp_out))
return None
print("Exporting video...")
cmd = [
'/home/lens/bin/ffmpeg',
'-hide_banner',
'-y', # '-v', 'quiet',
'-r', str(fps),
'-i', os.path.join(app_cfg.DIR_OUTPUTS, fp_frames, 'frame_%05d.png'),
'-c:v', 'libx264',
'-preset', 'slow',
'-crf', '19',
'-vf', 'fps=25',
'-pix_fmt', 'yuv420p',
'-s', '512x512',
fp_out
]
# print(' '.join(cmd))
call(cmd)
return fp_out
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