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Code Issues Releases Wiki Activity

Experimental: filter specific itags for dash video

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Cadence Ember 2020-08-30 01:16:18 +12:00
parent 4a4f48e9d9
commit c2a7bb907b
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GPG Key ID: 128B99B1B74A6412
1 changed files with 63 additions and 56 deletions
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119
extractors/video.py
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@ -61,25 +61,6 @@ def extract_video(id):
day = int(info["upload_date"][6:8])
published = int(datetime.datetime(year, month, day).timestamp())
# Adaptive formats have either audio or video, format streams have both
def format_is_adaptive(format):
return format["acodec"] == "none" or format["vcodec"] == "none"
def format_mime(format):
sense = "video" if format["vcodec"] != "none" else "audio"
return "{}/{}".format(sense, format["ext"])
def format_codecs(format):
codecs = []
if format["vcodec"] != "none":
codecs.append(format["vcodec"])
if format["acodec"] != "none":
codecs.append(format["acodec"])
return codecs
def format_type(format):
return '{}; codecs="{}"'.format(format_mime(format), ", ".join(format_codecs(format)))
result = {
"type": "video",
"title": info["title"],
@ -117,47 +98,73 @@ def extract_video(id):
"isUpcoming": None,
"dashUrl": "{}/api/manifest/dash/id/{}".format(configuration.website_origin, info["id"]),
"second__providedDashUrl": None,
"adaptiveFormats": [{
"index": None,
"bitrate": str(int(format["tbr"]*1000)),
"init": None,
"url": format["fragment_base_url"] if format["protocol"] == "http_dash_segments" else format["url"],
"itag": format["format_id"],
"type": format_type(format),
"second__mime": format_mime(format),
"second__codecs": format_codecs(format),
"clen": str(format["filesize"]) if format["filesize"] else None,
"lmt": None,
"projectionType": None,
"fps": format["fps"],
"container": format["ext"],
"encoding": None,
"resolution": format["format_note"],
"qualityLabel": format["format_note"],
"second__width": format["width"],
"second__height": format["height"],
"second__audioChannels": None,
"second__order": 0
} for format in info["formats"] if format_is_adaptive(format)],
"formatStreams": [{
"url": format["url"],
"itag": format["format_id"],
"type": format_type(format),
"second__mime": format_mime(format),
"quality": None,
"fps": format["fps"],
"container": format["ext"],
"encoding": None,
"resolution": format["format_note"],
"qualityLabel": format["format_note"],
"size": "{}x{}".format(format["width"], format["height"]),
"second__width": format["width"],
"second__height": format["height"]
} for format in info["formats"] if not format_is_adaptive(format)],
"adaptiveFormats": [],
"formatStreams": [],
"captions": [],
"recommendedVideos": []
}
for format in info["formats"]:
# Adaptive formats have either audio or video, format streams have both
is_adaptive = format["acodec"] == "none" or format["vcodec"] == "none"
sense = "video" if format["vcodec"] != "none" else "audio"
mime = sense + "/" + format["ext"]
codecs = []
if format["vcodec"] != "none":
codecs.append(format["vcodec"])
if format["acodec"] != "none":
codecs.append(format["acodec"])
result_type = '{}; codecs="{}"'.format(mime, ", ".join(codecs))
if is_adaptive:
url = ""
if format["protocol"] == "http_dash_segments":
# this is http dash, which is annoying and doesn't work in <video>.
# we have a fragment_base_url, which seems to be playable for all audio, but only with certain video itags??? very confused
if format["acodec"] == "none" and format["format_id"] not in ["134", "136"]:
continue
url = format["fragment_base_url"]
else: # just a normal media file
url = format["url"]
result["adaptiveFormats"].append({
"index": None,
"bitrate": str(int(format["tbr"]*1000)),
"init": None,
"url": url,
"itag": format["format_id"],
"type": result_type,
"second__mime": mime,
"second__codecs": codecs,
"clen": str(format["filesize"]) if format["filesize"] else None,
"lmt": None,
"projectionType": None,
"fps": format["fps"],
"container": format["ext"],
"encoding": None,
"resolution": format["format_note"],
"qualityLabel": format["format_note"],
"second__width": format["width"],
"second__height": format["height"],
"second__audioChannels": None,
"second__order": 0
})
else: # format is not adaptive
result["formatStreams"].append({
"url": format["url"],
"itag": format["format_id"],
"type": result_type,
"second__mime": mime,
"quality": None,
"fps": format["fps"],
"container": format["ext"],
"encoding": None,
"resolution": format["format_note"],
"qualityLabel": format["format_note"],
"size": str(format["width"]) + "x" + str(format["height"]),
"second__width": format["width"],
"second__height": format["height"]
})
result = get_more_stuff_from_file(info["id"], result)
return result