diff --git a/QtScrcpy/device/device.cpp b/QtScrcpy/device/device.cpp
index ff05964..a91c4fd 100644
--- a/QtScrcpy/device/device.cpp
+++ b/QtScrcpy/device/device.cpp
@@ -197,7 +197,6 @@ void Device::startServer()
         //m_server->start("192.168.0.174:5555", 27183, m_maxSize, m_bitRate, "");
         // only one devices, serial can be null
         // mark: crop input format: "width:height:x:y" or - for no crop, for example: "100:200:0:0"
-        // sendFrameMeta for recorder mp4
         Server::ServerParams params;
         params.serial = m_params.serial;
         params.localPort = m_params.localPort;
@@ -205,7 +204,6 @@ void Device::startServer()
         params.bitRate = m_params.bitRate;
         params.maxFps = m_params.maxFps;
         params.crop = "-";
-        params.sendFrameMeta = m_recorder ? true : false;
         params.control = true;
         params.useReverse = m_params.useReverse;
         m_server->start(params);
diff --git a/QtScrcpy/device/recorder/recorder.cpp b/QtScrcpy/device/recorder/recorder.cpp
index f8ee961..0cc6a61 100644
--- a/QtScrcpy/device/recorder/recorder.cpp
+++ b/QtScrcpy/device/recorder/recorder.cpp
@@ -105,12 +105,23 @@ void Recorder::close()
 bool Recorder::write(AVPacket *packet)
 {
     if (!m_headerWritten) {
+        if (packet->pts != AV_NOPTS_VALUE) {
+            qCritical("The first packet is not a config packet");
+            return false;
+        }
         bool ok = recorderWriteHeader(packet);
         if (!ok) {
             return false;
         }
         m_headerWritten = true;
+        return true;
     }
+
+    if (packet->pts == AV_NOPTS_VALUE) {
+        // ignore config packets
+        return true;
+    }
+
     recorderRescalePacket(packet);
     return av_write_frame(m_formatCtx, packet) >= 0;
 }
@@ -154,9 +165,6 @@ bool Recorder::recorderWriteHeader(const AVPacket* packet)
     int ret = avformat_write_header(m_formatCtx, NULL);
     if (ret < 0) {
         qCritical("Failed to write header recorder file");
-        free(extradata);
-        avio_close(m_formatCtx->pb);
-        avformat_free_context(m_formatCtx);
         return false;
     }
     return true;
diff --git a/QtScrcpy/device/server/server.cpp b/QtScrcpy/device/server/server.cpp
index cdc53c5..a4f3d96 100644
--- a/QtScrcpy/device/server/server.cpp
+++ b/QtScrcpy/device/server/server.cpp
@@ -142,7 +142,7 @@ bool Server::execute()
     } else {
         args << m_params.crop;
     }
-    args << (m_params.sendFrameMeta ? "true" : "false");
+    args << "true"; // always send frame meta (packet boundaries + timestamp)
     args << (m_params.control ? "true" : "false");
 
     // adb -s P7C0218510000537 shell CLASSPATH=/data/local/tmp/scrcpy-server.jar app_process / com.genymobile.scrcpy.Server 0 8000000 false
diff --git a/QtScrcpy/device/server/server.h b/QtScrcpy/device/server/server.h
index d3e5f36..33a13ba 100644
--- a/QtScrcpy/device/server/server.h
+++ b/QtScrcpy/device/server/server.h
@@ -29,7 +29,6 @@ public:
         quint32 bitRate = 8000000;      // 视频比特率
         quint32 maxFps = 60;            // 视频最大帧率
         QString crop = "-";             // 视频裁剪
-        bool sendFrameMeta = false;     // 是否发送mp4帧数据
         bool control = true;            // 安卓端是否接收键鼠控制
         bool useReverse = true;         // true:先使用adb reverse，失败后自动使用adb forward；false:直接使用adb forward
     };