Added video script

celeste/ffmpeg.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+
+SC_ROOT="screenshots"
+OUTPUT_DIR="out/video"
+
+render_dir () {
+	ffmpeg \
+		-y \
+		-loglevel quiet \
+		-framerate 30 \
+		-i $1/hackcel_%003d.png \
+		-c:v libx264 \
+		-pix_fmt yuv420p \
+		$OUTPUT_DIR/${1##*/}.mp4
+}
+
+mkdir -p $OUTPUT_DIR
+
+echo "Making episode files..."
+for D in $SC_ROOT/*; do
+	if [ -d "${D}" ]; then
+		render_dir $D
+	fi
+done
+
+echo "Done."
+
+
+# Generate video for each run
+for f in $OUTPUT_DIR/*.mp4; do
+	echo file \'$f\' >> merge_list;
+done
+
+# Merge videos
+ffmpeg \
+	-loglevel quiet -stats -y \
+	-f concat \
+	-safe 0 \
+	-i merge_list \
+	-c copy \
+	$OUTPUT_DIR/00-all.mp4 
+
+rm merge_list
+
+# Make accelerated video
+ffmpeg \
+	-i $OUTPUT_DIR/00-all.mp4 -y \
+	-r 60 \
+	-filter:v "setpts=0.125*PTS" \
+	8x.mkv
+
+