From 42e9e0d12248e3cc09e49dea9941b4996fc9e1fc Mon Sep 17 00:00:00 2001
From: Mikael Finstad <finstaden@gmail.com>
Date: Sat, 25 Apr 2020 16:37:25 +0800
Subject: [PATCH] improve stream selection

---
 index.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/index.js b/index.js
index ed66433..c39d5a9 100644
--- a/index.js
+++ b/index.js
@@ -264,6 +264,7 @@ module.exports = async (config = {}) => {
       '-movflags', 'faststart',
       '-y', outPath,
     ];
+
     const args = [
       ...(enableFfmpegLog ? [] : ['-hide_banner', '-loglevel', 'panic']),
 
@@ -275,6 +276,10 @@ module.exports = async (config = {}) => {
       '-i', '-',
 
       ...(audioFilePath ? ['-i', audioFilePath, '-shortest'] : []),
+
+      '-map', '0:v:0',
+      ...(audioFilePath ? ['-map', '1:a:0'] : []),
+
       ...(audioFilePath ? ['-acodec', 'aac', '-b:a', '128k'] : []),
 
       ...outputArgs,