first

.gitignore

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+no_oob*
+lm_no_oob*

clip.rb

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+=begin
+	chop up two vods using splits as timestamps
+	vertically stack each clip with the same name
+	from each vod chopping
+	
+	cut a video with ffmpeg:
+	ffmpeg -i input.mp4 -ss <time> -t <duration> -c:v copy -c:a copy output.mp4
+=end
+
+require "json"
+
+def chop(input1, time, dur, output="output.mkv")
+chop_cmd = "ffmpeg -y -threads 24 -i #{input1} -ss #{time} -to #{dur} -c:v copy -c:a copy #{output}.mkv"	
+	system(chop_cmd)
+end
+
+#need to make different commands for nvidia and x264
+def vstack(input1, input2, output="output.mkv")
+vstack_cmd = "ffmpeg -y " \
+	"-threads 24 " \
+    "-init_hw_device vaapi=foo:/dev/dri/renderD128 " \
+    "-hwaccel vaapi " \
+    "-hwaccel_output_format vaapi " \
+    "-hwaccel_device foo " \
+    "-i #{input1} " \
+    "-hwaccel vaapi " \
+    "-hwaccel_output_format vaapi " \
+    "-hwaccel_device foo " \
+    "-i #{input2} " \
+    "-filter_hw_device foo " \
+    "-c:v h264_vaapi " \
+    "-filter_complex ' " \
+        "[0:v]format=nv12|vaapi,hwupload[a], " \
+        "[1:v]format=nv12|vaapi,hwupload[b], " \
+		"[0:a][1:a]amix[a], " \
+        "[a][b]vstack_vaapi=inputs=2[out]' " \
+    "-map [out] -map [a] " \
+    "#{output}"
+
+	system(vstack_cmd)
+end
+
+=begin
+	chop up the video by timestamp
+=end
+def chop_video(path)
+	entries = Dir["#{path}/*"]
+
+	split_file_path = entries.select {|e| e.end_with?(".json")}[0]
+	video_file_path = entries.select {|e| e.end_with?(".mkv")}[0]
+
+	split_file = File.open("#{Dir.pwd}/#{split_file_path}")
+	data = JSON.load split_file
+	
+	game_title = data['title']
+	splits = data['splits']
+
+	time = "00:00:00"
+
+	`mkdir -p clips`
+
+	splits.each do |split|
+		chop(video_file_path, time, split['time'], "clips/#{split['title'].split(" ").join("_").downcase}")
+		time = split['time']
+	end
+end
+
+=begin
+	stack each video and save them to output/<name of video>
+=end
+def stack_video(p1, p2)
+	e1 = Dir["#{p1}/clips/*"]
+	`mkdir -p output`
+
+	e1.each {|e| print "#{e}\n"}
+
+	output = lambda { |e|
+		o = e.split("#{p1}/clips/")[1]
+		e2 = e.split("#{p1}")[1]
+		vstack("#{p2}/#{e2}", e, "output/#{o}")
+	}
+
+	e1.map(&output)
+end
+
+=begin
+	concatenate clips into final video
+=end
+def cat_video()
+	entries = Dir["output/*"].map { |entry| "file #{entry}\n" }.join
+
+	File.open("list.txt", "w") do |file|
+		file.write entries
+	end
+
+	`ffmpeg -f concat -i list.txt -c copy output.mkv`
+end
+
+def concatenate_video(p1, p2)
+	chop_video(p1)
+	chop_video(p2)
+	stack_video(p1, p2)
+	cat_video()
+end
+
+concatenate_video(ARGV[0], ARGV[1])
+