odrling/fansub-utils
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Update generate_keyframes.py

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Minor changes
* Update dependency list, since timers should not be expected to have the basic VS filters like ffms2
* Lower iteration from 1000 to 500 frames
* Remove rogue import that already gets imported in the global scope
This commit is contained in:
LightArrowsEXE 2019-08-09 03:07:24 +02:00
parent c807f9ca9e
commit cbfc34cd5d
1 changed files with 6 additions and 5 deletions
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11
generate_keyframes.py
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@ -3,8 +3,10 @@
Generic script to generate keyframes for all files of a given extension using kagefunc's generate_keyframes function.
Dependencies:
* VapourSynth
* wwxd (https://github.com/dubhater/vapoursynth-wwxd)
* VapourSynth (http://vapoursynth.com/doc/installation.html)
* ffms2 (https://github.com/FFMS/ffms2)
* L-SMASH (when generating keyframes from BDs) (https://www.dropbox.com/sh/3i81ttxf028m1eh/AAABkQn4Y5w1k-toVhYLasmwa?dl=0)
* wwxd (https://github.com/dubhater/vapoursynth-wwxd)
"""
import glob
import argparse
@ -19,15 +21,14 @@ def generate_keyframes(clip: vs.VideoNode, out_path=None) -> None:
probably only useful for fansubbing
generates qp-filename for keyframes to simplify timing
"""
import os
clip = core.resize.Bilinear(clip, 640, 360) # speed up the analysis by resizing first
clip = core.wwxd.WWXD(clip)
out_txt = "# WWXD log file, using qpfile format\n\n"
for i in range(clip.num_frames):
if clip.get_frame(i).props.Scenechange == 1:
out_txt += "%d I -1\n" % i
if i % 1000 == 0:
print(i)
if i % 500 == 0:
print(f"{i} frames")
if out_path is None:
out_path = os.path.expanduser("~") + "/Desktop/keyframes.txt"
text_file = open(out_path, "w")