From b57acdc1faefb0c31b90298e0a25d99da3cc7410 Mon Sep 17 00:00:00 2001
From: xufuji456 <839789740@qq.com>
Date: Wed, 30 Jun 2021 00:06:01 +0800
Subject: [PATCH] cut video: copy all tracks of audio

---
 app/src/main/java/com/frank/ffmpeg/util/FFmpegUtil.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/com/frank/ffmpeg/util/FFmpegUtil.java b/app/src/main/java/com/frank/ffmpeg/util/FFmpegUtil.java
index 45a147b..e925ceb 100644
--- a/app/src/main/java/com/frank/ffmpeg/util/FFmpegUtil.java
+++ b/app/src/main/java/com/frank/ffmpeg/util/FFmpegUtil.java
@@ -306,7 +306,11 @@ public class FFmpegUtil {
      * @return cut video success or not
      */
     public static String[] cutVideo(String inputPath, int startTime, int duration, String outputPath) {
-        String cutVideoCmd = "ffmpeg -ss %d -accurate_seek -t %d -i %s -acodec copy -vcodec copy -avoid_negative_ts 1 %s";
+        // -map 0 -codec copy (copy all tracks)
+        // -map 0:v -vcodec copy (copy track of video)
+        // -map 0:a -acodec copy (copy all tracks of audio)
+        // -map 0:s -scodec copy (copy all tracks of subtitle)
+        String cutVideoCmd = "ffmpeg -ss %d -accurate_seek -t %d -i %s -map 0 -codec copy -avoid_negative_ts 1 %s";
         cutVideoCmd = String.format(Locale.getDefault(), cutVideoCmd, startTime, duration, inputPath, outputPath);
         return cutVideoCmd.split(" ");
     }