Av1an/av1an/arg_parse.py
2020-12-27 07:49:31 +02:00

146 lines
7.2 KiB
Python
Executable file

#!/bin/env python
import argparse
import sys
from pathlib import Path
from .project import Project
class Args:
"""
Class responsible for arg parsing
Creation of original project file
"""
def __init__(self):
self.parser = self.arg_parsing()
self.defaults = self.get_defaults()
self.parsed = None
self.project = None
def get_project(self):
"""
Create and return project object with all parameters
"""
if not self.parsed:
self.parse()
self.project = Project(self.parsed)
if self.project.config:
self.save_load_project_file()
return self.project
def get_defaults(self) -> dict:
"""
Get dictionary of default values specified in arg_parsing()
"""
return vars(self.parser.parse_args([]))
def get_difference(self) -> dict:
"""
Return difference of defaults and new
"""
return dict([x for x in self.parsed.items() if x not in self.defaults.items()])
def parse(self):
"""
Parse command line parameters provided by user
"""
self.parsed = vars(self.parser.parse_args())
if not self.parsed['input']:
self.parser.print_help()
sys.exit()
def save_load_project_file(self):
"""
Saves current/Loads given project file, loads saved project first and when overwrites only unique values from current parse
"""
cfg_path = Path(self.project.config)
if cfg_path.exists():
new = self.get_difference()
self.project.load_project_from_file(self.project.config)
self.project.load_project(new)
else:
self.project.save_project_to_file(self.project.config)
def arg_parsing(self):
"""Command line parsing and setting default variables"""
parser = argparse.ArgumentParser()
# Input/Output/Temp
io_group = parser.add_argument_group('Input and Output')
io_group.add_argument('--input', '-i', nargs='+', type=Path, help='Input File')
io_group.add_argument('--temp', type=Path, default=None, help='Set temp folder path')
io_group.add_argument('--output_file', '-o', type=Path, default=None, help='Specify output file')
io_group.add_argument('--mkvmerge', help='Use mkvmerge instead of ffmpeg to concatenate', action='store_true')
io_group.add_argument('--logging', '-log', type=str, default=None, help='Enable logging')
io_group.add_argument('--resume', '-r', help='Resuming previous session', action='store_true')
io_group.add_argument('--keep', help='Keep temporally folder after encode', action='store_true')
io_group.add_argument('--config', '-c', type=str, default=None, help="Path to config file, create if doesn't exists")
io_group.add_argument('--webm', default=False, action='store_true', help="Output to webm")
# Splitting
split_group = parser.add_argument_group('Splitting')
split_group.add_argument('--chunk_method', '-cm', type=str, default=None, help='Method for creating chunks',
choices=['select', 'vs_ffms2', 'vs_lsmash', 'hybrid'])
split_group.add_argument('--scenes', '-s', type=str, default=None, help='File location for scenes')
split_group.add_argument('--split_method', type=str, default='pyscene', help='Specify splitting method',
choices=['none', 'pyscene', 'aom_keyframes'])
split_group.add_argument('--extra_split', '-xs', type=int, default=240,
help='Number of frames after which make split')
# PySceneDetect split
split_group.add_argument('--threshold', '-tr', type=float, default=35, help='PySceneDetect Threshold')
split_group.add_argument('--min_scene_len', type=int, default=60, help='Minimum number of frames in a split')
# AOM Keyframe split
split_group.add_argument('--reuse_first_pass', help='Reuse the first pass from aom_keyframes split on the chunks',
action='store_true')
# Encoding
encode_group = parser.add_argument_group('Encoding')
encode_group.add_argument('--passes', '-p', type=int, default=None, help='Specify encoding passes', choices=[1, 2])
encode_group.add_argument('--video_params', '-v', type=str, default=None, help='encoding settings')
encode_group.add_argument('--encoder', '-enc', type=str, default='aom', help='Choosing encoder',
choices=['aom', 'svt_av1', 'svt_vp9', 'rav1e', 'vpx', 'x265', 'x264', 'vvc'])
encode_group.add_argument('--workers', '-w', type=int, default=0, help='Number of workers')
encode_group.add_argument('--no_check', '-n', help='Do not check encodings', action='store_true')
encode_group.add_argument('--force', help="Force encoding if input args seen as invalid", action='store_true')
# VVC
encode_group.add_argument('--vvc_conf', type=Path, default=None, help='Path to VVC confing file')
# FFmpeg params
ffmpeg_group = parser.add_argument_group('FFmpeg')
ffmpeg_group.add_argument('--ffmpeg', '-ff', type=str, default='', help='FFmpeg commands')
ffmpeg_group.add_argument('--audio_params', '-a', type=str, default='-c:a copy', help='FFmpeg audio settings')
ffmpeg_group.add_argument('--pix_format', '-fmt', type=str, default='yuv420p10le', help='FFmpeg pixel format')
# Vmaf
vmaf_group = parser.add_argument_group('VMAF')
vmaf_group.add_argument('--vmaf', help='Calculating vmaf after encode', action='store_true')
vmaf_group.add_argument('--vmaf_path', type=Path, default=None, help='Path to vmaf models')
vmaf_group.add_argument('--vmaf_res', type=str, default="1920x1080", help='Resolution used in vmaf calculation')
vmaf_group.add_argument('--n_threads', type=int, default=None, help='Threads for vmaf calculation')
# Target Quality
tq_group = parser.add_argument_group('Target Quality')
tq_group.add_argument('--target_quality', type=float, help='Value to target')
tq_group.add_argument('--target_quality_method', type=str, default='per_shot',
help='Method selection for target quality', choices=['per_frame', 'per_shot'])
tq_group.add_argument('--probes', type=int, default=4, help='Number of probes to make for target_quality')
tq_group.add_argument('--min_q', type=int, default=None, help='Min q for target_quality')
tq_group.add_argument('--max_q', type=int, default=None, help='Max q for target_quality')
tq_group.add_argument('--vmaf_plots', help='Make plots of probes in temp folder', action='store_true')
tq_group.add_argument('--probing_rate', type=int, default=4, help='Framerate for probes, 0 - original')
tq_group.add_argument('--vmaf_filter', type=str, default=None,
help='Filter applied to source at vmaf calcualation, use if you crop source')
# Misc
misc_group = parser.add_argument_group('Misc')
misc_group.add_argument('--version', action='version', version=f'Av1an version: {5.2}')
# Initialize project with initial values
return parser