update the formulation of mixer

3 years ago · 2a6ce9b6ac
parent bea2c911c8
commit 2a6ce9b6ac
1 changed files with 1 additions and 1 deletions
--- a/app/src/main/java/com/frank/ffmpeg/util/FFmpegUtil.java
+++ b/app/src/main/java/com/frank/ffmpeg/util/FFmpegUtil.java
@ -83,7 +83,7 @@ public class FFmpegUtil {
        mixAudioCmd = String.format(mixAudioCmd, inputPath, mixFile, outputPath);
        return mixAudioCmd.split(" ");
    }
-    //mixing formula: value = sample1 + sample2 - (sample1 * sample2 / (pow(2, 16-1) - 1))
+    //mixing formula: value = sample1 + sample2 - ((sample1 * sample2) >> 0x10)

    /**
     * Set echo and delay effect