cut_sync_race: non-interactive, fast encode options. auto-delete start file if all good

condor-scripts
Mike Lang 3 years ago
parent 95fe403b91
commit 77d8ce4d00

@ -41,7 +41,7 @@ class NoSegments(Exception):
pass
def cut_to_file(filename, base_dir, stream, start, end, variant='source', frame_counter=False):
def cut_to_file(filename, base_dir, stream, start, end, variant='source', frame_counter=False, fast_encode=False):
logging.info("Cutting {}".format(filename))
segments = get_best_segments(
os.path.join(base_dir, stream, variant).lower(),
@ -63,7 +63,10 @@ def cut_to_file(filename, base_dir, stream, start, end, variant='source', frame_
":x=(w-tw)/2+100"
":y=h-(2*lh)",
]
encoding_args = ['-c:v', 'libx264', '-preset', 'ultrafast', '-crf', '0', '-f', 'mp4']
if fast_encode:
encoding_args = ['-c:v', 'libx264', '-preset', 'ultrafast', '-crf', '0', '-f', 'mp4']
else:
encoding_args = ['-f', 'mp4']
with open(filename, 'w') as f:
for chunk in full_cut_segments(segments, start, end, filter_args + encoding_args):
f.write(chunk)
@ -75,8 +78,8 @@ def add_range(base, range):
def main(match_id, race_number, output_path,
host='condor.live', user='necrobot-read', password='necrobot-read', database='condor_x2',
base_dir='/srv/wubloader', temp_dir='/tmp',
start_range=(0, 10), output_range=(-1, 5),
base_dir='/srv/wubloader', temp_dir='/tmp', fast_encode=False,
start_range=(0, 10), output_range=(-1, 5), no_interactive=False,
):
logging.basicConfig(level=logging.INFO)
output_range = [datetime.timedelta(seconds=n) for n in output_range]
@ -126,7 +129,7 @@ def main(match_id, race_number, output_path,
start_path = os.path.join(temp_dir, "start-{}.mp4".format(uuid4()))
start_start, start_end = add_range(start, start_range)
cut_to_file(start_path, base_dir, racer, start_start, start_end)
cut_to_file(start_path, base_dir, racer, start_start, start_end, fast_encode=True)
args = [
'ffmpeg', '-hide_banner',
@ -147,15 +150,18 @@ def main(match_id, race_number, output_path,
black_end = line.split(' ')[4]
assert black_end.startswith('black_end:')
time_offset = float(black_end.split(':')[1])
os.remove(start_path) # clean up
elif no_interactive:
raise Exception("Unable to detect start (expected 1 black interval, but found {}).".format(len(lines)))
else:
print "Unable to detect start (expected 1 black interval, but found {}).".format(len(lines))
print "Cutting file {} for manual detection.".format(start_path)
cut_to_file(start_path, base_dir, racer, start_start, start_end, frame_counter=True)
cut_to_file(start_path, base_dir, racer, start_start, start_end, frame_counter=True, fast_encode=True)
time_offset = float(raw_input("What timestamp of this video do we start at? "))
time_offset = datetime.timedelta(seconds=time_offset)
output_start = start_start + time_offset + output_range[0]
cut_to_file(output_path, base_dir, racer, output_start, end + output_range[1])
cut_to_file(output_path, base_dir, racer, output_start, end + output_range[1], fast_encode=fast_encode)
print "Cut to file {}".format(output_path)

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