mirror of
https://github.com/ytdl-org/youtube-dl.git
synced 2024-11-24 11:11:54 +00:00
Some improvements were added to Utils.py and YoutubeDL.py
This commit is contained in:
Josef Bohórquez
parent
0153b387e5
commit
1b599af1db
2 changed files with 48 additions and 121 deletions
|
|
@ -2371,60 +2371,38 @@ class YoutubeDL(object):
|
|||
return res
|
||||
|
||||
def _format_note(self, fdict):
|
||||
res = ''
|
||||
if fdict.get('ext') in ['f4f', 'f4m']:
|
||||
res += '(unsupported) '
|
||||
note_parts = []
|
||||
if fdict.get('ext') in ('f4f', 'f4m'):
|
||||
note_parts.append('(unsupported)')
|
||||
if fdict.get('language'):
|
||||
if res:
|
||||
res += ' '
|
||||
res += '[%s] ' % fdict['language']
|
||||
if fdict.get('format_note') is not None:
|
||||
res += fdict['format_note'] + ' '
|
||||
note_parts.append(f'[{fdict["language"]}]')
|
||||
if fdict.get('format_note'):
|
||||
note_parts.append(fdict['format_note'])
|
||||
if fdict.get('tbr') is not None:
|
||||
res += '%4dk ' % fdict['tbr']
|
||||
note_parts.append('%4dk' % fdict['tbr'])
|
||||
if fdict.get('container') is not None:
|
||||
if res:
|
||||
res += ', '
|
||||
res += '%s container' % fdict['container']
|
||||
if (fdict.get('vcodec') is not None
|
||||
and fdict.get('vcodec') != 'none'):
|
||||
if res:
|
||||
res += ', '
|
||||
res += fdict['vcodec']
|
||||
if fdict.get('vbr') is not None:
|
||||
res += '@'
|
||||
elif fdict.get('vbr') is not None and fdict.get('abr') is not None:
|
||||
res += 'video@'
|
||||
note_parts.append('%s container' % fdict['container'])
|
||||
if fdict.get('vcodec') not in (None, 'none'):
|
||||
note_parts.append(fdict['vcodec'] + ('@' if fdict.get('vbr') else ''))
|
||||
elif fdict.get('vbr') is not None:
|
||||
note_parts.append('video@')
|
||||
if fdict.get('vbr') is not None:
|
||||
res += '%4dk' % fdict['vbr']
|
||||
note_parts.append('%4dk' % fdict['vbr'])
|
||||
if fdict.get('fps') is not None:
|
||||
if res:
|
||||
res += ', '
|
||||
res += '%sfps' % fdict['fps']
|
||||
note_parts.append('%sfps' % fdict['fps'])
|
||||
if fdict.get('acodec') is not None:
|
||||
if res:
|
||||
res += ', '
|
||||
if fdict['acodec'] == 'none':
|
||||
res += 'video only'
|
||||
else:
|
||||
res += '%-5s' % fdict['acodec']
|
||||
note_parts.append('video only' if fdict['acodec'] == 'none' else '%-5s' % fdict['acodec'])
|
||||
elif fdict.get('abr') is not None:
|
||||
if res:
|
||||
res += ', '
|
||||
res += 'audio'
|
||||
note_parts.append('audio')
|
||||
if fdict.get('abr') is not None:
|
||||
res += '@%3dk' % fdict['abr']
|
||||
note_parts.append('@%3dk' % fdict['abr'])
|
||||
if fdict.get('asr') is not None:
|
||||
res += ' (%5dHz)' % fdict['asr']
|
||||
note_parts.append('(%5dHz)' % fdict['asr'])
|
||||
if fdict.get('filesize') is not None:
|
||||
if res:
|
||||
res += ', '
|
||||
res += format_bytes(fdict['filesize'])
|
||||
note_parts.append(format_bytes(fdict['filesize']))
|
||||
elif fdict.get('filesize_approx') is not None:
|
||||
if res:
|
||||
res += ', '
|
||||
res += '~' + format_bytes(fdict['filesize_approx'])
|
||||
return res
|
||||
note_parts.append('~' + format_bytes(fdict['filesize_approx']))
|
||||
return ' '.join(note_parts)
|
||||
|
||||
def list_formats(self, info_dict):
|
||||
formats = info_dict.get('formats', [info_dict])
|
||||
|
|
|
|||
|
|
@ -6002,114 +6002,63 @@ def parse_m3u8_attributes(attrib):
|
|||
def urshift(val, n):
|
||||
return val >> n if val >= 0 else (val + 0x100000000) >> n
|
||||
|
||||
|
||||
# Based on png2str() written by @gdkchan and improved by @yokrysty
|
||||
# Originally posted at https://github.com/ytdl-org/youtube-dl/issues/9706
|
||||
def decode_png(png_data):
|
||||
# Reference: https://www.w3.org/TR/PNG/
|
||||
header = png_data[8:]
|
||||
|
||||
if png_data[:8] != b'\x89PNG\x0d\x0a\x1a\x0a' or header[4:8] != b'IHDR':
|
||||
if png_data[:8] != b'\x89PNG\x0d\x0a\x1a\x0a':
|
||||
raise IOError('Not a valid PNG file.')
|
||||
|
||||
int_map = {1: '>B', 2: '>H', 4: '>I'}
|
||||
unpack_integer = lambda x: compat_struct_unpack(int_map[len(x)], x)[0]
|
||||
def unpack_integer(data):
|
||||
return compat_struct_unpack(f'>{int_map[len(data)]}', data)[0]
|
||||
|
||||
int_map = {1: 'B', 2: 'H', 4: 'I'}
|
||||
header = png_data[8:]
|
||||
chunks = []
|
||||
|
||||
while header:
|
||||
length = unpack_integer(header[:4])
|
||||
header = header[4:]
|
||||
chunk_type, chunk_data, header = header[4:8], header[8:8 + length], header[8 + length + 4:]
|
||||
chunks.append({'type': chunk_type, 'data': chunk_data})
|
||||
|
||||
chunk_type = header[:4]
|
||||
header = header[4:]
|
||||
if not (ihdr := next((c["data"] for c in chunks if c["type"] == b'IHDR'), None)):
|
||||
raise IOError("Unable to read PNG header.")
|
||||
|
||||
chunk_data = header[:length]
|
||||
header = header[length:]
|
||||
|
||||
header = header[4:] # Skip CRC
|
||||
|
||||
chunks.append({
|
||||
'type': chunk_type,
|
||||
'length': length,
|
||||
'data': chunk_data
|
||||
})
|
||||
|
||||
ihdr = chunks[0]['data']
|
||||
|
||||
width = unpack_integer(ihdr[:4])
|
||||
height = unpack_integer(ihdr[4:8])
|
||||
|
||||
idat = b''
|
||||
|
||||
for chunk in chunks:
|
||||
if chunk['type'] == b'IDAT':
|
||||
idat += chunk['data']
|
||||
width, height = unpack_integer(ihdr[:4]), unpack_integer(ihdr[4:8])
|
||||
idat = b''.join(c['data'] for c in chunks if c['type'] == b'IDAT')
|
||||
|
||||
if not idat:
|
||||
raise IOError('Unable to read PNG data.')
|
||||
|
||||
decompressed_data = bytearray(zlib.decompress(idat))
|
||||
|
||||
stride = width * 3
|
||||
pixels = []
|
||||
|
||||
def _get_pixel(idx):
|
||||
x = idx % stride
|
||||
y = idx // stride
|
||||
return pixels[y][x]
|
||||
pixels = [[] for _ in range(height)]
|
||||
|
||||
def _get_pixel(x, y):
|
||||
return pixels[y][x] if x >= 0 and y >= 0 else 0
|
||||
|
||||
for y in range(height):
|
||||
basePos = y * (1 + stride)
|
||||
filter_type = decompressed_data[basePos]
|
||||
|
||||
current_row = []
|
||||
|
||||
pixels.append(current_row)
|
||||
|
||||
filter_type = decompressed_data[y * (1 + stride)]
|
||||
for x in range(stride):
|
||||
color = decompressed_data[1 + basePos + x]
|
||||
basex = y * stride + x
|
||||
left = 0
|
||||
up = 0
|
||||
color = decompressed_data[1 + y * (1 + stride) + x]
|
||||
left, up = _get_pixel(x - 3, y), _get_pixel(x, y - 1)
|
||||
|
||||
if x > 2:
|
||||
left = _get_pixel(basex - 3)
|
||||
if y > 0:
|
||||
up = _get_pixel(basex - stride)
|
||||
|
||||
if filter_type == 1: # Sub
|
||||
if filter_type == 1: # Sub
|
||||
color = (color + left) & 0xff
|
||||
elif filter_type == 2: # Up
|
||||
elif filter_type == 2: # Up
|
||||
color = (color + up) & 0xff
|
||||
elif filter_type == 3: # Average
|
||||
elif filter_type == 3: # Average
|
||||
color = (color + ((left + up) >> 1)) & 0xff
|
||||
elif filter_type == 4: # Paeth
|
||||
a = left
|
||||
b = up
|
||||
c = 0
|
||||
|
||||
if x > 2 and y > 0:
|
||||
c = _get_pixel(basex - stride - 3)
|
||||
|
||||
elif filter_type == 4: # Paeth
|
||||
a, b, c = left, up, _get_pixel(x - 3, y - 1)
|
||||
p = a + b - c
|
||||
|
||||
pa = abs(p - a)
|
||||
pb = abs(p - b)
|
||||
pc = abs(p - c)
|
||||
|
||||
if pa <= pb and pa <= pc:
|
||||
color = (color + a) & 0xff
|
||||
elif pb <= pc:
|
||||
color = (color + b) & 0xff
|
||||
else:
|
||||
color = (color + c) & 0xff
|
||||
|
||||
current_row.append(color)
|
||||
pa, pb, pc = abs(p - a), abs(p - b), abs(p - c)
|
||||
color = (color + (a if pa <= pb and pa <= pc else b if pb <= pc else c)) & 0xff
|
||||
|
||||
pixels[y].append(color)
|
||||
|
||||
return width, height, pixels
|
||||
|
||||
|
||||
def write_xattr(path, key, value):
|
||||
# This mess below finds the best xattr tool for the job
|
||||
try:
|
||||
|
|
|
|||
Loading…
Reference in a new issue