From 8ffcbd7364834809d6eb46c92b1e10a091e89bf4 Mon Sep 17 00:00:00 2001
From: kolaente <k@knt.li>
Date: Thu, 2 Nov 2017 23:42:30 +0100
Subject: [PATCH] Initial Commit

---
 Dockerfile         |  5 +++
 convert.sh         | 78 ++++++++++++++++++++++++++++++++++++++++++++++
 video_formats.json | 31 ++++++++++++++++++
 3 files changed, 114 insertions(+)
 create mode 100644 Dockerfile
 create mode 100755 convert.sh
 create mode 100644 video_formats.json

diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..291ae0e
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,5 @@
+FROM docker
+RUN mkdir /var/videos
+WORKDIR /var/videos
+ADD convert.sh
+VOLUME /var/videos
diff --git a/convert.sh b/convert.sh
new file mode 100755
index 0000000..0b64402
--- /dev/null
+++ b/convert.sh
@@ -0,0 +1,78 @@
+#!/bin/bash
+
+# Check if the converterfile exists
+if [ ! -f $PWD/video_formats.json ]
+then
+	exit 1;
+fi
+
+# Loop through our convertfile and convert the video
+videoformats=$(<video_formats.json)
+
+# TODO: options to pass (via options or Environments Variables)
+# * A different video_formats_location
+# * A different folder
+# * Everything which is a Video Format
+# * ffmpeg path
+
+# Remove Spaces in filename (because bash doesn't like them and would throw an error)
+rename 's/ /_/g' *
+
+# Run every 5 seconds
+while true; do
+	# loop through all files
+	for file in $PWD/*; do
+		# Check if the current file is a video
+		if [ ${file: -4} == ".mp4" ]
+		then
+			
+			# If it is a videofile, if no "locker" already exists, create one and start converting
+			if [ ! -f $file.lock ]
+			then
+
+				# Tell the User what we're doing
+				echo "================"
+				echo "Found file: $file"
+
+				# Create Lock file
+				touch $file.lock
+
+				# Create the output folder
+				mkdir $file.out
+				
+				# Loop through all videoformats and convert them
+				for row in $(echo "${videoformats}" | jq -r '.[] | @base64'); do  
+					_jq() {
+						echo ${row} | base64 --decode | jq -r ${1}
+					}
+					
+					echo "Converting to $(_jq '.name'), Resolution: $(_jq '.resolution'), Bitrate: $(_jq '.video_bitrate'), Framerate: $(_jq '.framerate')"
+
+					# Make Framerate optional, don't use Framerate if it is not set
+					framerate=""
+					if [ "$(_jq '.framerate')" != "null" ]
+					then
+						framerate=" -r $(_jq '.framerate')"
+					fi
+
+					# Convert
+					ffmpeg -i $file -b:v $(_jq '.video_bitrate') $framerate -c:v $(_jq '.video_codec') -vf scale=$(_jq '.resolution') -c:a $(_jq '.audio_codec') -b:a $(_jq '.audio_bitrate') $file.out/$(basename "$file" .mp4)_$(_jq '.name').$(_jq '.file_ending') &
+				done
+
+				# Wait until all formats are created
+				wait
+
+				# Cleanup: Remove the lockfile, move the original to the converted folder.
+				mv $file $file.out/$(basename "$file" .mp4)_orig.mp4
+				rm $file.lock
+				touch $file.out/$(basename "$file" .mp4).done
+
+				echo "Finished Converting $file"
+
+				echo "================"
+			fi
+		fi
+	done
+
+	sleep 5s
+done
diff --git a/video_formats.json b/video_formats.json
new file mode 100644
index 0000000..d824453
--- /dev/null
+++ b/video_formats.json
@@ -0,0 +1,31 @@
+[
+    {
+        "name": "720p",
+        "resolution": "1280:720",
+        "video_bitrate": "5000k",
+        "video_codec": "libvpx",
+        "audio_bitrate": "256k",
+        "audio_codec": "libvorbis",
+        "file_ending": "webm"
+    },
+    {
+        "name": "480p",
+        "resolution": "854:480",
+        "framerate": 24,
+        "video_bitrate": "2500k",
+        "video_codec": "libvpx",
+        "audio_bitrate": "256k",
+        "audio_codec": "libvorbis",
+        "file_ending": "webm"
+    },
+    {
+        "name": "360p",
+        "resolution": "640:360",
+        "framerate": 24,
+        "video_bitrate": "1000k",
+        "video_codec": "libvpx",
+        "audio_bitrate": "256k",
+        "audio_codec": "libvorbis",
+        "file_ending": "webm"
+    }
+]