1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
import copy
AUDIO_FORMATS = ("m4a", "mp3", "opus", "wav")
def get_format(format: str, quality: str) -> str:
"""
Returns format for download
Args:
format (str): format selected
quality (str): quality selected
Raises:
Exception: unknown quality, unknown format
Returns:
dl_format: Formatted download string
"""
format = format or "any"
if format.startswith("custom:"):
return format[7:]
if format == "thumbnail":
# Quality is irrelevant in this case since we skip the download
return "bestaudio/best"
if format in AUDIO_FORMATS:
# Audio quality needs to be set post-download, set in opts
return "bestaudio/best"
if format in ("mp4", "any"):
if quality == "audio":
return "bestaudio/best"
# video {res} {vfmt} + audio {afmt} {res} {vfmt}
vfmt, afmt = ("[ext=mp4]", "[ext=m4a]") if format == "mp4" else ("", "")
vres = f"[height<={quality}]" if quality != "best" else ""
vcombo = vres + vfmt
return f"bestvideo{vcombo}+bestaudio{afmt}/best{vcombo}"
raise Exception(f"Unkown format {format}")
def get_opts(format: str, quality: str, ytdl_opts: dict) -> dict:
"""
Returns extra download options
Mostly postprocessing options
Args:
format (str): format selected
quality (str): quality of format selected (needed for some formats)
ytdl_opts (dict): current options selected
Returns:
ytdl_opts: Extra options
"""
opts = copy.deepcopy(ytdl_opts)
if "postprocessors" not in opts:
opts["postprocessors"] = []
if format in AUDIO_FORMATS:
opts["postprocessors"].append({
"key": "FFmpegExtractAudio",
"preferredcodec": format,
"preferredquality": 0 if quality == "best" else quality,
})
#Audio formats without thumbnail
if format not in ("wav"):
opts["writethumbnail"] = True
opts["postprocessors"].append({"key": "FFmpegThumbnailsConvertor", "format": "jpg", "when": "before_dl"})
opts["postprocessors"].append({"key": "FFmpegMetadata"})
opts["postprocessors"].append({"key": "EmbedThumbnail"})
if format == "thumbnail":
opts["skip_download"] = True
opts["writethumbnail"] = True
opts["postprocessors"].append({"key": "FFmpegThumbnailsConvertor", "format": "jpg", "when": "before_dl"})
return opts
|
