cutter: Add unlisted-only safety flag to youtube upload backend

For use in thrimbletrimmer for a drop-down.

common/common/segments.py

@@ -25,87 +25,93 @@ from .fixts import FixTS
 
 
 # These are the set of transition names from the ffmpeg xfade filter that we allow.
-# This is mainly here to prevent someone putting in arbitrary strings and causing weird problems.
-KNOWN_XFADE_TRANSITIONS = [
-	"fade",
-	"wipeleft",
-	"wiperight",
-	"wipeup",
-	"wipedown",
-	"slideleft",
-	"slideright",
-	"slideup",
-	"slidedown",
-	"circlecrop",
-	"rectcrop",
-	"distance",
-	"fadeblack",
-	"fadewhite",
-	"radial",
-	"smoothleft",
-	"smoothright",
-	"smoothup",
-	"smoothdown",
-	"circleopen",
-	"circleclose",
-	"vertopen",
-	"vertclose",
-	"horzopen",
-	"horzclose",
-	"dissolve",
-	"pixelize",
-	"diagtl",
-	"diagtr",
-	"diagbl",
-	"diagbr",
-	"hlslice",
-	"hrslice",
-	"vuslice",
-	"vdslice",
-	"hblur",
-	"fadegrays",
-	"wipetl",
-	"wipetr",
-	"wipebl",
-	"wipebr",
-	"squeezeh",
-	"squeezev",
-	"zoomin",
-	"fadefast",
-	"fadeslow",
-	"hlwind",
-	"hrwind",
-	"vuwind",
-	"vdwind",
-	"coverleft",
-	"coverright",
-	"coverup",
-	"coverdown",
-	"revealleft",
-	"revealright",
-	"revealup",
-	"revealdown",
-]
+# This is mainly here to prevent someone putting in arbitrary strings and causing weird problems,
+# and to provide descriptions.
+# See https://trac.ffmpeg.org/wiki/Xfade for examples.
+KNOWN_XFADE_TRANSITIONS = {
+	"fade": "A simple cross-fade.",
+	"fadeblack": "A fade to black then to the new video.",
+	"fadewhite": "A fade to white then fade to the new video.",
+	"fadegrays": "The old video fades to grayscale then to the new video.",
+	"wipeleft": "A wipe from right to left.",
+	"wiperight": "A wipe from left to right.",
+	"wipeup": "A wipe from bottom to top.",
+	"wipedown": "A wipe from top to bottom.",
+	"slideleft": "The old video slides left as the new video comes in from the right.",
+	"slideright": "The old video slides right as the new video comes in from the left.",
+	"slideup": "The old video slides up as the new video comes in from the bottom.",
+	"slidedown": "The old video slides down as the new video comes in from the top.",
+	"circlecrop": "Circular black mask comes in from edges to center, then out again with new video.",
+	"rectcrop": "Rectangular black mask comes in from edges to center, then out again with new video.",
+	"distance": "???",
+	"radial": "Similar to clock wipe, but with a cross-fading line.",
+	"smoothleft": "Similar to wipe left, but with a cross-fading line.",
+	"smoothright": "Similar to wipe right, but with a cross-fading line.",
+	"smoothup": "Similar to wipe up, but with a cross-fading line.",
+	"smoothdown": "Similar to wipe down, but with a cross-fading line.",
+	"circleopen": "Circular wipe from outside in, with a cross-fading line.",
+	"circleclose": "Circular wipe from inside out, with a cross-fading line.",
+	"vertopen": "Wipe from center to either side, with a cross-fading line.",
+	"vertclose": "Wipe from either side to center, with a cross-fading line.",
+	"horzopen": "Wipe from center to top and bottom, with a cross-fading line.",
+	"horzclose": "Wipe from top and bottom to center, with a cross-fading line.",
+	"dissolve": "Similar to a fade, but each pixel changes instantly, more pixels change over time.",
+	"pixelize": "Pixelates the image, switches to new video, then unpixelates.",
+	# TODO the rest later
+	"diagtl": "",
+	"diagtr": "",
+	"diagbl": "",
+	"diagbr": "",
+	"hlslice": "",
+	"hrslice": "",
+	"vuslice": "",
+	"vdslice": "",
+	"hblur": "",
+	"wipetl": "",
+	"wipetr": "",
+	"wipebl": "",
+	"wipebr": "",
+	"squeezeh": "",
+	"squeezev": "",
+	"zoomin": "",
+	"hlwind": "",
+	"hrwind": "",
+	"vuwind": "",
+	"vdwind": "",
+	"coverleft": "",
+	"coverright": "",
+	"coverup": "",
+	"coverdown": "",
+	"revealleft": "",
+	"revealright": "",
+	"revealup": "",
+	"revealdown": "",
+	"fadefast": "???",
+	"fadeslow": "???",
+}
 
 # These are custom transitions implemented using xfade's custom transition support.
-# It maps from name to the "expr" value to use.
+# It maps from name to (description, expr).
 # In these expressions:
 #  X and Y are pixel coordinates
 #  A and B are the old and new video's pixel values
 #  W and H are screen width and height
 #  P is a "progress" number from 0 to 1 that increases over the course of the wipe
 CUSTOM_XFADE_TRANSITIONS = {
-	# A clock wipe is a 360 degree clockwise sweep around the center of the screen, starting at the top.
-	# It is intended to mimic an analog clock and insinuate a passing of time.
-	# It is implemented by calculating the angle of the point off a center line (using atan2())
-	# then using the new video if progress > that angle (normalized to 0-1).
-	"clockwipe": "if(lt((1-atan2(W/2-X,Y-H/2)/PI) / 2, P), A, B)",
-	# The classic star wipe is an expanding 5-pointed star from the center.
-	# It's mostly a meme.
-	# It is implemented by converting to polar coordinates (distance and angle off center),
-	# then comparing distance to a star formula derived from here: https://math.stackexchange.com/questions/4293250/how-to-write-a-polar-equation-for-a-five-pointed-star
-	# Made by SenseAmidstMadness.
-	"starwipe": "if(lt(sqrt(pow(X-W/2,2)+pow(Y-H/2,2))/sqrt(pow(W/2,2)+pow(H/2,2)),pow((1-P),2)*(0.75)*1/cos((2*asin(cos(5*(atan2(Y-H/2,X-W/2)+PI/2)))+PI*3)/(10))), B, A)",
+	"clockwipe": (
+		"A 360 degree clockwise sweep around the center of the screen, starting at the top.\n"
+		"Intended to mimic an analog clock and insinuate a passing of time.",
+		# Implemented by calculating the angle of the point off a center line (using atan2())
+		# then using the new video if progress > that angle (normalized to 0-1).
+		"if(lt((1-atan2(W/2-X,Y-H/2)/PI) / 2, P), A, B)",
+	),
+	"starwipe": (
+		"Wipe using an expanding 5-pointed star from the center. Mostly a meme.",
+		# Implemented by converting to polar coordinates (distance and angle off center),
+		# then comparing distance to a star formula derived from here: https://math.stackexchange.com/questions/4293250/how-to-write-a-polar-equation-for-a-five-pointed-star
+		# Made by SenseAmidstMadness.
+		"if(lt(sqrt(pow(X-W/2,2)+pow(Y-H/2,2))/sqrt(pow(W/2,2)+pow(H/2,2)),pow((1-P),2)*(0.75)*1/cos((2*asin(cos(5*(atan2(Y-H/2,X-W/2)+PI/2)))+PI*3)/(10))), B, A)",
+	),
 }
 
 
@@ -505,7 +511,8 @@ def ffmpeg_cut_transition(prev_segments, next_segments, video_type, duration, of
 	}
 	if video_type in CUSTOM_XFADE_TRANSITIONS:
 		xfade_kwargs["transition"] = "custom"
-		xfade_kwargs["expr"] = f"'{CUSTOM_XFADE_TRANSITIONS[video_type]}'" # wrap in '' for quoting
+		description, expr = CUSTOM_XFADE_TRANSITIONS[video_type]
+		xfade_kwargs["expr"] = f"'{expr}'" # wrap in '' for quoting
 	elif video_type in KNOWN_XFADE_TRANSITIONS:
 		xfade_kwargs["transition"] = video_type
 	else:

cutter/cutter/upload_backends.py

@@ -121,6 +121,8 @@ class Youtube(UploadBackend):
 			to make much difference.
 		mime_type: You must set this to the correct mime type for the encoded video.
 			Default is video/MP2T, suitable for fast cuts or -f mpegts.
+		unlisted_only: If set to true, rejects any videos which are set to be public.
+			Intended as a safety feature when testing.
 	"""
 
 	needs_transcode = True
@@ -138,7 +140,7 @@ class Youtube(UploadBackend):
 	]
 
 	def __init__(self, credentials, category_id=23, language="en", use_yt_recommended_encoding=False,
-		mime_type='video/MP2T'):
+		mime_type='video/MP2T', unlisted_only=False):
 		self.logger = logging.getLogger(type(self).__name__)
 		self.client = GoogleAPIClient(
 			credentials['client_id'],
@@ -148,11 +150,14 @@ class Youtube(UploadBackend):
 		self.category_id = category_id
 		self.language = language
 		self.mime_type = mime_type
+		self.unlisted_only = unlisted_only
 		if use_yt_recommended_encoding:
 			self.encoding_settings = self.recommended_settings
 			self.encoding_streamable = False
 
 	def upload_video(self, title, description, tags, public, data):
+		if public and self.unlisted_only:
+			raise UploadError("Public video but unlisted-only was requested")
 		json = {
 			'snippet': {
 				'title': title,

sheetsync/sheetsync/sheets.py

@@ -361,7 +361,7 @@ class SheetsEventsMiddleware(SheetsMiddleware):
 		# Undo the implicitly added tags
 		if key == "tags":
 			value = value[2:]
-			if row["poster_moment"]:
+			if row.get("poster_moment"):
 				value = value[1:]
 		return super().write_value(row, key, value)
 

sheetsync/sheetsync/streamlog.py

@@ -126,8 +126,20 @@ class StreamLogEventsMiddleware(Middleware):
 
 	def get_rows(self):
 		all_rows = []
-		for row in self.client.get_entries()["event_log"]:
-			row = self.parse_row(row)
+		entries_by_id = {}
+		for entry in self.client.get_entries()["event_log"]:
+			# Keep track of how many levels of sub-entry each entry is
+			entries_by_id[entry["id"]] = entry
+			parent = entry["parent"]
+			if parent is None:
+				entry["depth"] = 0
+			elif parent in entries_by_id:
+				entry["depth"] = entries_by_id[parent]["depth"] + 1
+			else:
+				logging.warning(f"Entry {entry['id']} has unknown or out-of-order parent {parent}")
+				entry["depth"] = 0
+
+			row = self.parse_row(entry)
 			# Malformed rows can be skipped, represented as a None result
 			if row is not None:
 				all_rows.append(row)
@@ -150,12 +162,19 @@ class StreamLogEventsMiddleware(Middleware):
 		output["sheet_name"] = row["tab"]["name"] if row["tab"] else "unknown"
 
 		# Implicit tags
-		output['tags'] += [
+		implicit_tags = [
 			output['category'],
 			output["sheet_name"],
 		]
 		if output["poster_moment"]:
-			output['tags'] += 'Poster Moment'
+			implicit_tags.append('Poster Moment')
+		output['tags'] = implicit_tags + output['tags']
+
+		# Convey parent info
+		if row["depth"] > 0:
+			output["description"] = "^" * row["depth"] + " " + output["description"]
+			pre_note = f"Part of event {row['parent']}"
+			output["notes"] = f"{pre_note}. {output['notes']}" if output["notes"] else pre_note
 
 		return output
 

thrimshim/thrimshim/main.py

@@ -12,12 +12,12 @@ import gevent
 import gevent.backdoor
 from gevent.pywsgi import WSGIServer
 import prometheus_client
-import psycopg2
 from psycopg2 import sql
 
 import common
 from common import database, dateutil
 from common.flask_stats import request_stats, after_request
+from common.segments import KNOWN_XFADE_TRANSITIONS, CUSTOM_XFADE_TRANSITIONS
 
 import google.oauth2.id_token
 import google.auth.transport.requests
@@ -144,6 +144,21 @@ def get_defaults():
 	})
 
 
+@app.route('/thrimshim/transitions')
+@request_stats
+def get_transitions():
+	"""Get info on available transitions. Returns a list of {name, description}."""
+	items = [
+		(name, description) for name, description in KNOWN_XFADE_TRANSITIONS.items()
+	] + [
+		(name, description) for name, (description, expr) in CUSTOM_XFADE_TRANSITIONS.items()
+	]
+	return [
+		{"name": name, "description": description}
+		for name, description in items
+	]
+
+
 @app.route('/thrimshim/<ident>', methods=['GET'])
 @request_stats
 def get_row(ident):