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aacRepair-0.7
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مشاهده بیشتر
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مشاهده بیشتر
تبلیغات ما
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مشاهده بیشتر
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مشاهده بیشترتوضیحات
repair aac files
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | aacRepair-0.7 |
| نام | aacRepair |
| نسخه کتابخانه | 0.7 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | René Horn |
| ایمیل نویسنده | rene_horn@gmx.net |
| آدرس صفحه اصلی | - |
| آدرس اینترنتی | https://pypi.org/project/aacRepair/ |
| مجوز | MIT License =========== Copyright (c) [2022] [René Horn] Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
aacRepair - PyPi, GitHub (short) documentation
==============================================
repair aac and aacPlus files grabbed from the internet
Info
----
AAC files consist of multiple segments, frames. Each frame has a header and a payload.
Browser gets stuck if AAC file frame is defective and will not start to play or refuse to play next AAC file.
This will stop the entire playlist.
File gets trimmed from head to tail, to remove defective frames.
Cut off byte count is shown in the summary.
Command Line
------------
$ aacrepair
Menu "Main"
1 -- Single File aac or aacPlus
2 -- Bulk Repair, Folder
3 -- Exit
Enter your choice: 1
Python or sys.path fail; use
$ python -m aacrepair.cmd
aacrepair Module
----------------
bulk repair
-----------
from aacrepair import AacRepair
# 'r' before a string tells the Python interpreter to treat backslashes as a literal (raw) character
aacRepair = AacRepair(r"F:\propaganda-podcasts")
# setter overrides default export path 'F:\propaganda-podcasts\aac_repair'
aacRepair.set_export_path(r"F:\repaired_foobar")
aacRepair.repair()
Instantiate AacRepair class with two possible arguments, mandatory folder path and optional dictionary.
1. No dictionary provided. Folder path is used as list to import files into a dictionary AND store repaired files.
2. A dictionary of files is provided. Folder path is used to store repaired files. (best use on web server)
Web Server
* Endpoint converts multi-file upload from file storage type to bytestream, uses .read() method
* List of files is written to dictionary {file_name_key: file_byte_content_value}
* web server gets not the file path, only file name - needs path to store repaired files
* dictionary {file(n).aac: b'\x65\x66\x67\x00\x10\x00\x00\x00\x04\x00'}
files = request.files.getlist('fileUploadAcpRepair')
f_dict = {f: open(f, "rb").read() for f in files if f[-5:] == ".aacp" or f[-4:] == ".aac"}
aacRepair = AacRepair("/home/Kitty/aac_files", f_dict)
aacRepair.repair()
File System
* List of files in folder is written to dictionary {file_name_key: file_byte_content_value}
aacRepair = AacRepair("/home/Kitty/meow_aac")
aacRepair.set_export_path("/home/Kitty/foo")
aacRepair.repair()
single object
-------------
``head`` and ``tail`` are used to cut chunks left or right only
aacRepair = AacRepair()
# converts file path to file content, if object is not of type bytes
rep_object = aacRepair.repair_object(aac_path_or_object, head=None, tail=None)
header_aac Module
-----------------
Use as input for further aac stream processing or repair.
from aacrepair import header_aac
header_aac module example to show all frames with header.
header_aac.pull_frame('/home/foo/bar.aac')
header_aac dictionary output
----------------------------
header_aac dictionary output of ``header_info(aac_object, frame_bytes=None, print_out=True)``
SYNC_WORD_BOOL: True
MPEG4_BOOL: True
Layer_BOOL: True
CRC_16_IS_SET_BOOL: False
PROFILE_INT: 1
PROFILE_STR: AAC Main
SAMPLING_FREQUENCY_INT: 3
SAMPLING_FREQUENCY_STR: 48000 Hz
PRIVATE_BIT_BOOL: False
CHANNEL_CONFIG_INT: 2
CHANNEL_CONFIG_STR: 2 channels: front-left, front-right
ORIGINALITY_BOOL: False
HOME_BOOL: False
COPYRIGHT_ID_INT: 0
COPYRIGHT_START_INT: 0
FRAME_LENGTH_INT: 530
BIT_RESERVOIR_INT: 2047
FRAME_NUMBER_INT: 0
CRC_16: {}
IS_LAST_FRAME_BOOL: False
ERROR_STR:
FRAME_BYTES: b''
Bytes
======== ======== ======== ======== ======== ======== ======== ======== ========
1 2 3 4 5 6 7 8 9
======== ======== ======== ======== ======== ======== ======== ======== ========
AAAAAAAA AAAABCCD EEFFFFGH HHIJKLMM MMMMMMMM MMMOOOOO OOOOOOPP QQQQQQQQ QQQQQQQQ
======== ======== ======== ======== ======== ======== ======== ======== ========
Bit Groups
===== ========= ====== ====================================================================================
Group Number Count Description
===== ========= ====== ====================================================================================
A 0-12 12 Syncword, all bits 1
B 13 1 MPEG Version set 0 is MPEG-4, set 1 MPEG-2
C 14-15 2 Layer set to 0
D 16 1 [[[ ``Warning`` ]]], set to 1 if there is no CRC and 0 if there is CRC
E 17-18 2 Profile, the MPEG-4 Audio Object Type https://en.wikipedia.org/wiki/MPEG-4_Part_3
F 19-22 4 MPEG-4 Sampling Frequency https://wiki.multimedia.cx/index.php/MPEG-4_Audio
G 23 1 Private bit set to 0,
H 24-26 3 MPEG-4 Channel Configuration https://wiki.multimedia.cx/index.php/MPEG-4_Audio
I 27 1 Originality, set 1 originality of audio, else 0
J 28 1 Home, set to 1 to signal home usage of the audio, else 0
K 29 1 Copyright ID bit
L 30 1 Copyright ID start
M 31-43 13 Frame length of ADTS frame including headers and CRC check - 1
O 44-54 11 Buffer fullness, states the bit-reservoir per frame
P 55-56 2 Number of AAC ADTS frame minus 1
Q 57-72 16 CRC check
===== ========= ====== ====================================================================================
pip install
-----------
""" Linux """
$ pip3 install aacrepair
""" Windows """
> pip install aacrepair
Uninstall
---------
Python user:
* find the module location
* uninstall and then remove remnants
>$ pip3 show aacrepair
>$ pip3 uninstall aacrepair
Location: ... /python310/site-packages
What's next - contributions welcome
-----------------------------------
- try multithread a test
- multiprocessing plus multithreading repair, if file count is x (works only on linux)
- android 'Threading in Worker', make it run
نیازمندی
| مقدار | نام |
|---|---|
| >=6.0 | pytest |
| >=2.0 | pytest-cov |
| >=0.9.10 | mypy |
| >=3.9 | flake8 |
| >=3.24 | tox |
زبان مورد نیاز
| مقدار | نام |
|---|---|
| >=3.6 | Python |
نحوه نصب
نصب پکیج whl aacRepair-0.7:
pip install aacRepair-0.7.whl
نصب پکیج tar.gz aacRepair-0.7:
pip install aacRepair-0.7.tar.gz