From 3a136cd8f5f4fd9892f5b944db8cd4449eac896b Mon Sep 17 00:00:00 2001
From: nareix <hi.nareix@gmail.com>
Date: Tue, 19 Apr 2016 19:19:03 +0800
Subject: [PATCH] keep AV sync after seek

---
 demuxer.go | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/demuxer.go b/demuxer.go
index 3cec635..5f62125 100644
--- a/demuxer.go
+++ b/demuxer.go
@@ -299,10 +299,23 @@ func (self *Demuxer) ReadPacket() (pkt av.Packet, err error) {
 
 func (self *Demuxer) SeekToTime(time float64) (err error) {
 	for _, stream := range(self.streams) {
-		if err = stream.seekToTime(time); err != nil {
-			return
+		if stream.IsVideo() {
+			if err = stream.seekToTime(time); err != nil {
+				return
+			}
+			time = stream.TsToTime(stream.dts)
+			break
 		}
 	}
+
+	for _, stream := range(self.streams) {
+		if !stream.IsVideo() {
+			if err = stream.seekToTime(time); err != nil {
+				return
+			}
+		}
+	}
+
 	return
 }