From: qydysky <qydysky@foxmail.com>
Date: Tue, 31 Oct 2023 14:37:33 +0000 (+0800)
Subject: Improve fmp4 调整时间戳避免回溯
X-Git-Tag: v0.11.3~5
X-Git-Url: http://127.0.0.1:8081/?a=commitdiff_plain;h=7490a0aeaf74f1fa7a99960cb0f1d775a1f6c0b4;p=bili_danmu%2F.git

Improve fmp4 调整时间戳避免回溯
---

diff --git a/Reply/fmp4Decode.go b/Reply/fmp4Decode.go
index 21e5620..9a4a5d1 100644
--- a/Reply/fmp4Decode.go
+++ b/Reply/fmp4Decode.go
@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"errors"
 	"io"
-	"math"
 
 	"github.com/dustin/go-humanize"
 	F "github.com/qydysky/bili_danmu/F"
@@ -330,7 +329,7 @@ func (t *Fmp4Decoder) Search_stream_fmp4(buf []byte, keyframe *slice.Buf[byte])
 				}
 
 				//sync audio timeStamp
-				if diff := math.Abs(audio.getT() - video.getT()); diff > 0.00001 {
+				if diff := video.getT() - audio.getT(); diff > 0.00001 {
 					date := F.Itob64(int64(video.getT() * float64(audio.firstTimeStamp)))
 					copy(audio.data, date)
 				}