From 7e4010df83ffd9b513daaea02f93b53f77a26716 Mon Sep 17 00:00:00 2001
From: Kiki <haijuanchen.sun@gmail.com>
Date: Thu, 18 May 2023 16:35:54 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8DstartSendRtp=E6=8E=A5?=
 =?UTF-8?q?=E5=8F=A3gop=E7=BC=93=E5=AD=98=E5=8A=9F=E8=83=BD=E5=8F=AF?=
 =?UTF-8?q?=E8=83=BD=E5=A4=B1=E6=95=88=E7=9A=84=E9=97=AE=E9=A2=98=20(#2455?=
 =?UTF-8?q?)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

如果帧序列为SPS PPS SEI IDR，那么GOP缓存会从IDR开始，导致解码器未获取到SPS PPS从而不能秒开
---
 src/Common/MultiMediaSourceMuxer.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/Common/MultiMediaSourceMuxer.cpp b/src/Common/MultiMediaSourceMuxer.cpp
index daa68769..440adcc1 100644
--- a/src/Common/MultiMediaSourceMuxer.cpp
+++ b/src/Common/MultiMediaSourceMuxer.cpp
@@ -327,7 +327,6 @@ EventPoller::Ptr MultiMediaSourceMuxer::getOwnerPoller(MediaSource &sender) {
 }
 
 bool MultiMediaSourceMuxer::onTrackReady(const Track::Ptr &track) {
-
     bool ret = false;
     if (_rtmp) {
         ret = _rtmp->addTrack(track) ? true : ret;
@@ -471,7 +470,9 @@ bool MultiMediaSourceMuxer::onTrackFrame(const Frame::Ptr &frame_in) {
             // 视频时，遇到第一帧配置帧或关键帧则标记为gop开始处
             auto video_key_pos = frame->keyFrame() || frame->configFrame();
             _ring->write(frame, video_key_pos && !_video_key_pos);
-            _video_key_pos = video_key_pos;
+            if (!frame->dropAble()) {
+                _video_key_pos = video_key_pos;
+            }
         } else {
             // 没有视频时，设置is_key为true，目的是关闭gop缓存
             _ring->write(frame, !haveVideo());