refactore directory structure

2023-06-09 06:06:37 -05:00 · 2023-06-09 06:06:37 -05:00 · e87bfb7c39
commit e87bfb7c39
parent 3830eef1f4
485 changed files with 66 additions and 1696 deletions
--- a/.config/macchina/scripts/macchina-video.sh
+++ b/.config/macchina/scripts/macchina-video.sh
@ -0,0 +1,92 @@
+#!/usr/bin/env sh
+
+# Will only work on macchina v0.7.3 or higher
+# This script will download and run a video from youtube / any site supported by youtube-dl
+# and display the video in macchina.
+# The flow is
+# youtube-dl -> ffmpeg -> jp2a -> macchina
+# First argument is video url.
+# Second argument is frame wait time.
+
+PID=$$
+DIR="/tmp/ffmpeg_$PID"
+
+if [ -n "$1" ]; then
+  URL="$1"
+else
+  URL=$(echo "aHR0cHM6Ly93d3cueW91dHViZS5jb20vd2F0Y2g/dj1kUXc0dzlXZ1hjUQo=" | base64 -d)
+fi
+
+if [ -n "$2" ]; then
+  FRAME_WAIT_TIME=$2
+else
+  FRAME_WAIT_TIME=5
+fi
+
+required="youtube-dl ffmpeg base64 awk jp2a macchina"
+
+for r in "$required"; do
+  if ! [ -n "$(which "$r" 2>/dev/null)" ]; then # need the quotes
+    printf '\x1b[31m%s not found\x1b[0m\n' "$r"
+    exit 1
+  fi
+done
+
+# polling rate is .05 i.e. once every 50ms
+WAIT=$(echo - | awk -v seconds="$FRAME_WAIT_TIME" '{print seconds/.05}')
+
+trap_ctrlc() {
+
+  printf '\x1b[?25h' # shows cursor
+  if [ -n "$FFMPEG_PID" -a -d "/proc/$FFMPEG_PID" ]; then
+    kill -0 "$FFMPEG_PID"
+    wait "$FFMPEG_PID"
+  fi
+
+  if [ -n "$DIR" -a -d "$DIR" ]; then
+    rm -rf "$DIR" 2>/dev/null
+  fi
+
+  exit
+}
+
+mkdir "$DIR"
+
+# youtube-dl -f best $URL -o - | ffmpeg -i pipe: -r 10 -update 1 "$DIR/out_%d.png" > /dev/null 2>&1 &
+youtube-dl -f best "$URL" -o - 2>/dev/null | ffmpeg -i pipe: -r 10 "$DIR/out_%d.png" >/dev/null 2>&1 &
+FFMPEG_PID=$!
+
+trap trap_ctrlc INT
+
+printf '\x1b[?25l' # hides the cursor
+for img in "$(# increasing this too much will break it
+  seq 1 999999
+)"; do
+  count=0
+  while ! [ -f "$DIR/out_$img.png" ]; do
+    sleep .05
+    count=$((count + 1))
+    if [ "$count" -ge "$WAIT" ]; then break; fi
+  done
+  printf '\x1b[s' # saves cursor position
+  target/debug/macchina --custom-ascii <(jp2a --color --width=50 "$DIR/out_$img".png)
+  # jp2a --color --width=50 $DIR/out_$img.png # just display the video wihout macchina
+  printf '\x1b[u'
+  if [ -f "$DIR/out_$img.png" ]; then
+    rm -f "$DIR/out_$img".png
+  fi
+  sleep .02
+done
+
+printf '\x1b[?25h' # shows cursor
+
+if [ -n "$FFMPEG_PID" -a -d "/proc/$FFMPEG_PID" ]; then
+  kill -0 "$FFMPEG_PID"
+  wait "$FFMPEG_PID"
+fi
+
+if [ -n "$DIR" -a -d "$DIR" ]; then
+  rm -rf "$DIR" 2>/dev/null
+fi
+
+wait "$FFMPEG_PID"