From fbcc9d0f1060b20a1f18e52799991e6e998437a1 Mon Sep 17 00:00:00 2001
From: Mikael Finstad <finstaden@gmail.com>
Date: Sat, 25 Apr 2020 16:37:41 +0800
Subject: [PATCH] show progress

---
 index.js | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/index.js b/index.js
index c39d5a9..6363e0e 100644
--- a/index.js
+++ b/index.js
@@ -243,6 +243,12 @@ module.exports = async (config = {}) => {
 
   console.log(`${width}x${height} ${fps}fps`);
 
+  const estimatedTotalFrames = fps * clips.reduce((acc, c, i) => {
+    let newAcc = acc + c.duration;
+    if (i !== clips.length - 1) newAcc -= c.transition.duration;
+    return newAcc;
+  }, 0);
+
   const channels = 4;
 
   const { runTransitionOnFrame } = GlTransitions({ width, height, channels });
@@ -330,6 +336,11 @@ module.exports = async (config = {}) => {
 
       if (verbose) console.log('Frame', totalFrameCount, 'from', fromClipFrameCount, `(clip ${transitionFromClipId})`, 'to', toClipFrameCount, `(clip ${getTransitionToClipId()})`);
 
+      if (!verbose) {
+        const percentDone = Math.floor(100 * (totalFrameCount / estimatedTotalFrames));
+        if (totalFrameCount % 10 === 0) process.stdout.write(`${String(percentDone).padStart(3, ' ')}% `);
+      }
+
       if (!frameData1 || transitionFrameAt >= transitionNumFramesSafe - 1) {
       // if (!frameData1 || transitionFrameAt >= transitionNumFramesSafe) {
         console.log('Done with transition, switching to next clip');