├── .gitignore ├── COPYING ├── COPYING.LESSER ├── MANIFEST.in ├── README.rst ├── igstools ├── __init__.py ├── __main__.py ├── _cxfreeze_main.py ├── debugging.py ├── export.py ├── exportjson.py ├── model.py ├── parser.py ├── ts_reader.py └── utils.py ├── requirements.txt └── setup.py /.gitignore: -------------------------------------------------------------------------------- 1 | *.py[cod] 2 | 3 | # C extensions 4 | *.so 5 | 6 | # Packages 7 | *.egg 8 | *.egg-info 9 | dist 10 | build 11 | eggs 12 | parts 13 | bin 14 | var 15 | sdist 16 | develop-eggs 17 | .installed.cfg 18 | lib 19 | lib64 20 | 21 | # Installer logs 22 | pip-log.txt 23 | 24 | # Unit test / coverage reports 25 | .coverage 26 | .tox 27 | nosetests.xml 28 | 29 | # Translations 30 | *.mo 31 | 32 | # Mr Developer 33 | .mr.developer.cfg 34 | .project 35 | .pydevproject 36 | -------------------------------------------------------------------------------- /COPYING: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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Credits to `David Girault `_. 7 | 8 | 9 | Installation 10 | ------------ 11 | 12 | Python 3.3 or later is required. 13 | 14 | Using `pip `_ to install is recommended:: 15 | 16 | pip install https://github.com/SAPikachu/igstools/archive/master.zip 17 | 18 | Alternatively, you can also clone this repository, and run:: 19 | 20 | setup.py install 21 | 22 | You need to manually install `pypng `_ if you use this method though. 23 | 24 | 25 | Usage 26 | ----- 27 | 28 | Currently, only 1 tool is available: ``igstopng`` 29 | 30 | To use it, first use `BDedit `_ to extract IGS menu file (\*.mnu) from your M2TS file, then run:: 31 | 32 | igstopng your.mnu 33 | 34 | Note: As of 0.9.3, ``igstopng`` supports directly exporting from M2TS file. 35 | The speed is slower, but sometimes ``BDedit`` exports corrupted menu file and you may get correct result from direct export. 36 | 37 | All menu pages will be exported alongside the menu file. For every page, 6 states (normal/selected/activated multiplied with start/stop) of buttons will be exported to 6 different page images. (This may be changed in the future since it is rather messed up and unnecessary) 38 | 39 | Note: If the command above doesn't work on Windows, try this:: 40 | 41 | py -3 -migstools your.mnu 42 | 43 | 44 | Known issues 45 | ------------ 46 | 47 | The tool is very slow, it may take 3 ~ 5 seconds to extract a single menu page. If someone finds it useful I may try to optimize it... 48 | -------------------------------------------------------------------------------- /igstools/__init__.py: -------------------------------------------------------------------------------- 1 | from .model import IGSMenu 2 | -------------------------------------------------------------------------------- /igstools/__main__.py: -------------------------------------------------------------------------------- 1 | import argparse 2 | import os 3 | import sys 4 | import traceback 5 | from contextlib import contextmanager 6 | import functools 7 | import logging 8 | 9 | from . import IGSMenu 10 | from .export import menu_to_png, YCBCR_COEFF 11 | from .exportjson import menu_to_json 12 | from . import debugging 13 | 14 | ENTRYPOINT = "igstopng" 15 | 16 | 17 | @contextmanager 18 | def _error_msg(msg, verbose, debug): 19 | try: 20 | yield 21 | except: 22 | if debug: 23 | raise 24 | 25 | if verbose: 26 | traceback.print_exc() 27 | 28 | print("Error:", msg, file=sys.stderr) 29 | sys.exit(1) 30 | 31 | 32 | def main(): 33 | parser = argparse.ArgumentParser( 34 | prog=ENTRYPOINT, 35 | description="Export bluray IGS menu to PNG images or JSON data", 36 | ) 37 | parser.add_argument("files", metavar="file", nargs="+") 38 | parser.add_argument( 39 | "-v", "--verbose", action="store_true", 40 | help="show detailed information on error", 41 | ) 42 | parser.add_argument( 43 | "-d", "--debug", action="store_true", 44 | help="attach pdb on error", 45 | ) 46 | parser.add_argument( 47 | "-m", "--matrix", choices=YCBCR_COEFF.keys(), 48 | help="specify YUV matrix of menu file. If skipped, it will be auto-" + 49 | "detected from height of the menu.", 50 | ) 51 | parser.add_argument( 52 | "--full-range", dest="tv_range", action="store_false", 53 | help="specify that menu file is in full range. Default is TV range.", 54 | ) 55 | parser.add_argument( 56 | "-j", "--json", action="store_true", 57 | help="output JSON data instead of PNG images.", 58 | ) 59 | args = parser.parse_args() 60 | if args.debug: 61 | debugging.setup() 62 | logging.basicConfig(level=logging.DEBUG) 63 | 64 | m = functools.partial(_error_msg, verbose=args.verbose, debug=args.debug) 65 | 66 | for name in args.files: 67 | if not os.path.isfile(name): 68 | print("Error: {} is not found".format(name), file=sys.stderr) 69 | continue 70 | 71 | with m("Failed to parse {}".format(name)): 72 | menu = IGSMenu(name) 73 | 74 | prefix, _ = os.path.splitext(name) 75 | with m("Unable to generate image for {}".format(name)): 76 | if args.json: 77 | menu_to_json( 78 | menu, prefix + ".json", 79 | matrix=args.matrix, 80 | tv_range=args.tv_range, 81 | ) 82 | else: 83 | menu_to_png( 84 | menu, prefix + "_{0.id}_{state1}_{state2}.png", 85 | matrix=args.matrix, 86 | tv_range=args.tv_range, 87 | ) 88 | 89 | 90 | if __name__ == "__main__": 91 | main() 92 | -------------------------------------------------------------------------------- /igstools/_cxfreeze_main.py: -------------------------------------------------------------------------------- 1 | from igstools.__main__ import main 2 | 3 | main() 4 | -------------------------------------------------------------------------------- /igstools/debugging.py: -------------------------------------------------------------------------------- 1 | import pdb, sys, traceback 2 | import signal 3 | 4 | 5 | def setup(): 6 | def info(type, value, tb): 7 | traceback.print_exception(type, value, tb) 8 | pdb.pm() 9 | 10 | sys.excepthook = info 11 | 12 | 13 | def dumpstacks(signal, frame): 14 | id2name = dict([(th.ident, th.name) for th in threading.enumerate()]) 15 | code = [] 16 | for threadId, stack in sys._current_frames().items(): 17 | code.append("\n# Thread: %s(%d)" % (id2name.get(threadId,""), threadId)) 18 | for filename, lineno, name, line in traceback.extract_stack(stack): 19 | code.append('File: "%s", line %d, in %s' % (filename, lineno, name)) 20 | if line: 21 | code.append(" %s" % (line.strip())) 22 | print("\n".join(code)) 23 | 24 | 25 | def dump_on_ctrl_break(): 26 | signal.signal(signal.SIGBREAK, dumpstacks) 27 | -------------------------------------------------------------------------------- /igstools/export.py: -------------------------------------------------------------------------------- 1 | import array 2 | 3 | import png 4 | 5 | YCBCR_COEFF = { 6 | "601": (0.299, 0.587, 0.114 ), 7 | "709": (0.2126, 0.7152, 0.0722), 8 | } 9 | 10 | 11 | def _ycbcr_to_rgb48(y, cb, cr, coeff, tv_range): 12 | assert y >= 0 and y <= 255 13 | assert cb >= 0 and cb <= 255 14 | assert cr >= 0 and cr <= 255 15 | 16 | kr, kg, kb = coeff 17 | offset_y = 16.0 if tv_range else 0.0 18 | scale_y = 255.0 / 219.0 if tv_range else 1.0 19 | scale_uv = 255.0 / 112.0 if tv_range else 2.0 20 | 21 | sy = scale_y * (y - offset_y) 22 | scb = scale_uv * (cb - 128) 23 | scr = scale_uv * (cr - 128) 24 | 25 | r = sy + scr * (1 - kr) 26 | g = sy - scb * (1 - kb) * kb / kg - scr * (1 - kr) * kr / kg 27 | b = sy + scb * (1 - kb) 28 | 29 | r, g, b = [max(min(x, 255.0), 0.0) for x in (r, g, b)] 30 | 31 | r = round(r * 256 + r) 32 | g = round(g * 256 + g) 33 | b = round(b * 256 + b) 34 | 35 | return (r, g, b) 36 | 37 | 38 | def _build_rgb_palette(ycbcr_palette, coeff, tv_range): 39 | return { 40 | k: array.array("H", 41 | _ycbcr_to_rgb48(v["y"], v["cb"], v["cr"], coeff, tv_range) + 42 | (v["alpha"] * 256 + v["alpha"],) 43 | ) 44 | for k, v in ycbcr_palette.items() 45 | } 46 | 47 | 48 | def matrix_from_menu_height(height): 49 | return "709" if height >= 600 else "601" 50 | 51 | 52 | def picture_data_to_rgb(pic, rgb_palette, buffer, stride=None, buffer_offset=0): 53 | stride = stride or pic.width * 4 54 | assert stride >= pic.width * 4 55 | 56 | for y in range(pic.height): 57 | line_start = buffer_offset + stride * y 58 | for x in range(pic.width): 59 | index = pic.picture_data[y * pic.width + x] 60 | color = rgb_palette[index] 61 | offset = line_start + x * 4 62 | buffer[offset:offset+4] = color 63 | 64 | 65 | def picture_to_png(pic, palette, stream, matrix, tv_range=True): 66 | if isinstance(stream, str): 67 | with open(stream, "wb") as f: 68 | return picture_to_png(pic, palette, f) 69 | 70 | width = pic.width 71 | height = pic.height 72 | 73 | rgb_palette = _build_rgb_palette( 74 | palette, YCBCR_COEFF[matrix], tv_range, 75 | ) 76 | image_buffer = bytearray(width * height * 8) 77 | with memoryview(image_buffer) as main_view: 78 | with main_view.cast("H") as view: 79 | picture_data_to_rgb(pic, rgb_palette, view) 80 | writer = png.Writer(width, height, alpha=True, bitdepth=16, greyscale=False) 81 | writer.write_array(stream, view) 82 | 83 | 84 | def page_to_png( 85 | menu, page_index, stream, 86 | matrix=None, tv_range=True, state_selector=lambda _:("normal", "start"), 87 | ): 88 | if isinstance(stream, str): 89 | with open(stream, "wb") as f: 90 | return page_to_png(menu, page_index, f, matrix, tv_range) 91 | 92 | page = menu.pages[page_index] 93 | width = menu.width 94 | stride = width * 4 95 | height = menu.height 96 | 97 | if not matrix: 98 | matrix = matrix_from_menu_height(height) 99 | 100 | rgb_palette = _build_rgb_palette( 101 | page.palette, YCBCR_COEFF[matrix], tv_range, 102 | ) 103 | image_buffer = bytearray(width * height * 8) 104 | with memoryview(image_buffer) as main_view: 105 | with main_view.cast("H") as view: 106 | for bog in page.bogs: 107 | for button in bog.buttons.values(): 108 | state1, state2 = state_selector(button) 109 | pic = button.states[state1][state2] 110 | if not pic: 111 | continue 112 | 113 | assert button.x >= 0 and button.y >= 0 114 | assert button.x + pic.width <= width 115 | assert button.y + pic.height <= height 116 | 117 | picture_data_to_rgb( 118 | pic, rgb_palette, view, 119 | stride=stride, 120 | buffer_offset=stride * button.y + button.x * 4, 121 | ) 122 | 123 | writer = png.Writer(width, height, alpha=True, bitdepth=16, greyscale=False) 124 | writer.write_array(stream, view) 125 | 126 | 127 | def menu_to_png( 128 | menu, 129 | name_format="page_{0.id}_{state1}_{state2}.png", 130 | matrix=None, 131 | tv_range=True, 132 | ): 133 | for i in range(len(menu.pages)): 134 | for state1 in ("normal", "selected", "activated"): 135 | for state2 in ("start", "stop"): 136 | with open(name_format.format( 137 | menu.pages[i], 138 | state1=state1, 139 | state2=state2, 140 | ), 141 | "wb") as f: 142 | def _select_state(button): 143 | preferences = ( 144 | (state1, state2), 145 | (state1, "start"), 146 | ("normal", state2) 147 | ) 148 | 149 | for s1, s2 in preferences: 150 | if button.states[s1][s2]: 151 | return s1, s2 152 | 153 | return "normal", "start" 154 | 155 | page_to_png(menu, i, f, matrix, tv_range, 156 | state_selector=_select_state,) 157 | -------------------------------------------------------------------------------- /igstools/exportjson.py: -------------------------------------------------------------------------------- 1 | import json 2 | import base64 3 | from io import BytesIO 4 | 5 | from .export import picture_to_png, matrix_from_menu_height 6 | 7 | 8 | def menu_to_json( 9 | menu, 10 | stream, 11 | matrix=None, 12 | tv_range=True, 13 | ): 14 | if isinstance(stream, str): 15 | with open(stream, "w") as f: 16 | return menu_to_json(menu, f, matrix, tv_range) 17 | 18 | if not matrix: 19 | matrix = matrix_from_menu_height(menu.height) 20 | 21 | json_obj = { 22 | "version": 1, 23 | "pictures": {}, 24 | "pages": {p.id: p.raw_data for p in menu.pages.values()}, 25 | "width": menu.width, 26 | "height": menu.height, 27 | } 28 | for pic in menu.pictures.values(): 29 | json_obj["pictures"][pic.id] = { 30 | "width": pic.width, 31 | "height": pic.height, 32 | "decoded_pictures": {}, 33 | } 34 | 35 | for page in menu.pages.values(): 36 | for bog in page.bogs: 37 | for button in bog.buttons.values(): 38 | for state1 in button.states.values(): 39 | for pic in state1.values(): 40 | if pic is None or isinstance(pic, int): 41 | continue 42 | 43 | pictures = json_obj["pictures"][pic.id]["decoded_pictures"] 44 | palette_id = page.palette_id 45 | if palette_id not in pictures: 46 | buffer = BytesIO() 47 | picture_to_png( 48 | pic, page.palette, buffer, 49 | matrix=matrix, tv_range=tv_range,) 50 | pictures[palette_id] = base64.b64encode(buffer.getvalue()).decode("utf-8") 51 | 52 | json.dump(json_obj, stream, indent=2) 53 | 54 | -------------------------------------------------------------------------------- /igstools/model.py: -------------------------------------------------------------------------------- 1 | import logging 2 | import os 3 | from copy import deepcopy 4 | 5 | from .parser import ( 6 | igs_decoded_segments, m2ts_igs_stream, 7 | BUTTON_SEGMENT, PICTURE_SEGMENT, PALETTE_SEGMENT, 8 | ) 9 | 10 | 11 | class Palette(dict): 12 | def __init__(self, seg): 13 | log = logging.getLogger("model.Palette") 14 | log.info("Creating palette...") 15 | for color in seg["palette"]: 16 | assert color["color_id"] not in self 17 | self[color["color_id"]] = color 18 | 19 | for i in range(256): 20 | if i not in self: 21 | if i < 255: 22 | # Seems #255 never exists 23 | log.debug("Color entry #{} does not exist".format(i)) 24 | 25 | self[i] = { 26 | "color_id": i, 27 | "y": 16, 28 | "cb": 128, 29 | "cr": 128, 30 | "alpha": 0, 31 | } 32 | 33 | def __str__(self): 34 | return "".format(len(self)) 35 | 36 | 37 | class Picture: 38 | def __init__(self, seg): 39 | self.__dict__.update(seg) 40 | del self.raw_data 41 | del self.seg_type 42 | 43 | def __str__(self): 44 | return "".format(self) 45 | 46 | 47 | class Button: 48 | def __init__(self, raw_data): 49 | self.__dict__.update(raw_data) 50 | self.raw_data = deepcopy(raw_data) 51 | 52 | def __str__(self): 53 | return "