From ace2c55eff8e8cfb9abd450e6dd93bdb00358c95 Mon Sep 17 00:00:00 2001
From: zhaohappy <2281756061@qq.com>
Date: Wed, 22 Jan 2025 17:47:57 +0800
Subject: [PATCH] =?UTF-8?q?fix(mse):=20=E4=B8=80=E4=BA=9B=E8=BE=B9?=
 =?UTF-8?q?=E7=95=8C=E6=9D=A1=E4=BB=B6=E5=88=A4=E6=96=AD=E4=BF=AE=E6=AD=A3?=
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---
 src/avplayer/mse/MSEPipeline.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/avplayer/mse/MSEPipeline.ts b/src/avplayer/mse/MSEPipeline.ts
index 35add8dc..14d98b27 100644
--- a/src/avplayer/mse/MSEPipeline.ts
+++ b/src/avplayer/mse/MSEPipeline.ts
@@ -798,7 +798,7 @@ export default class MSEPipeline extends Pipeline {
     if (resource.backPacket > 0) {
       startDTS = resource.backPacket.dts
       startPTS = resource.backPacket.pts
-      if (startTimestamp > 0n) {
+      if (startTimestamp > startPTS) {
         cacheDuration += startTimestamp - avRescaleQ(startDTS, timeBase, AV_MILLI_TIME_BASE_Q)
       }
 
@@ -808,7 +808,7 @@ export default class MSEPipeline extends Pipeline {
       resource.backPacket = nullptr
     }
 
-    while (startDTS < 0n || avRescaleQ((lastDTS - startDTS), timeBase, AV_MILLI_TIME_BASE_Q) < cacheDuration) {
+    while (startDTS === NOPTS_VALUE_BIGINT || avRescaleQ((lastDTS - startDTS), timeBase, AV_MILLI_TIME_BASE_Q) < cacheDuration) {
       avpacket = await this.pullAVPacket(resource, task)
 
       if (avpacket < 0) {
@@ -817,7 +817,7 @@ export default class MSEPipeline extends Pipeline {
       }
 
       lastDTS = avpacket.dts
-      if (startDTS < 0n) {
+      if (startDTS === NOPTS_VALUE_BIGINT) {
         startDTS = lastDTS
         startPTS = avpacket.pts
       }