Start work on client shell script

.gitignore

@@ -1 +1,2 @@
 /target
+/result

default.nix

@@ -0,0 +1,21 @@
+let
+  pkgs = import <nixpkgs> {};
+in
+with pkgs;
+stdenv.mkDerivation {
+  pname = "triav1c";
+  version = "0.0.0-20200715-0";
+
+  src = ./. ;
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp src/static/triav1c.sh $out/bin/triav1c
+    chmod +x $out/bin/triav1c
+
+    wrapProgram $out/bin/triav1c \
+      --prefix PATH : ${lib.makeBinPath [ ffmpeg libaom ]}
+  '';
+}

src/static/triav1c.sh

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+#! /usr/bin/env bash
+############################################################
+# A simpler rewrite of av1master client.sh for prototyping #
+############################################################
+set -euo pipefail
+IFS=$'\n\t'
+
+
+#######################
+# $1 - file           #
+# $2 - AOM Options    #
+# $3 - FFMPEG Options #
+# $4 - do VMAF?       #
+#######################
+encode_aomenc_two_pass() {
+    file="$1"
+    aom_options="$2"
+    # Remove any character that isn't a letter, an underscore, a dash, or =
+    # Hopefully "cleans" the commandline
+    # so that you can't just take over a system
+    # Still possible to misuse ffmpeg and aomenc to overwrite any file
+    # the user running the program has access to.
+    # THIS IS NOT SAFE
+    # But it's something
+    aom_options=${aom_options//[^a-zA-Z0-9_\- =]/}
+    # Same story as above but also
+    ffmpeg_options="$3"
+    ffmpeg_options=${ffmpego//[^a-zA-Z0-9_\- =:]/}
+    # set to boolean
+    doVMAF=$4
+
+    set +e
+        ffmpeg -nostats -hide_banner -loglevel warning \
+            -i "$file" "$ffmpeg_options" -f yuv4mpegpipe - | aomenc - "$aom_options" \
+            --pass=1 --passes=2 --fpf="$file".fpf --ivf -o "$file".out.ivf
+        retval=$?
+        if [[ $retval -ne 0 ]]; then
+            echo "Error running aomenc pass 1 of 2" >&2
+            curl -s -L "$base_url"/edit_status/"$job_id"/error || true
+            echo "" >&2
+            return 1
+        fi
+
+        ffmpeg -nostats -hide_banner -loglevel warning \
+            -i "$file" "$ffmpeg_options" -f yuv4mpegpipe - | aomenc - "$aom_options" \
+            --pass=1 --passes=2 --fpf="$file".fpf --ivf -o "$file".out.ivf
+        retval=$?
+        if [ $retval -ne 0 ]; then
+            echo "Error running aomenc pass 2 of 2" >&2
+            curl -s -L "$base_url"/edit_status/"$job_id"/error || true
+            echo "" >&2
+            return 2
+        fi
+
+        
+        # This probably needs to be improved as well, so that it scales
+        # and sets the framerate automatically. This will likely never
+        # Actually get used though, so it's fine.
+        if [[ doVMAF -eq true ]]; then
+            ffmpeg -nostats -hide_banner -loglevel warning \
+                -r 24 -i "$file".out.ivf -r 24 "$file" -filter_complex \
+                "[0:v][1:v]libvmaf=log_fmt=json:log_path=$file.vmaf.json" -f null - >/dev/null
+            retval=$?
+            if [ $retval -ne 0 ]; then
+                echo "Error running VMAF scan" >&2
+                curl -s -L "$base_url"/edit_status/"$job_id"/error || true
+                echo "" >&2
+                return 3
+            fi
+            cat "$file".vmaf.json
+        fi
+    set -e
+
+    rm -f \
+        "$file" \
+        "$file".fpf \
+        "$file".vmaf.json
+
+    return 0
+}
+