From a97b6c212920c2d14f506169ef0cdea27112c8c1 Mon Sep 17 00:00:00 2001
From: chenshijun <csj_sky@126.com>
Date: 星期六, 09 三月 2019 18:24:44 +0800
Subject: [PATCH] 解决按国标或本地类型获取camera设备

---
 QiaoJiaSystem/GB28181DecoderModel/FFmpegDecoderJPG.cpp |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/QiaoJiaSystem/GB28181DecoderModel/FFmpegDecoderJPG.cpp b/QiaoJiaSystem/GB28181DecoderModel/FFmpegDecoderJPG.cpp
index 859ddd8..81d4fa7 100644
--- a/QiaoJiaSystem/GB28181DecoderModel/FFmpegDecoderJPG.cpp
+++ b/QiaoJiaSystem/GB28181DecoderModel/FFmpegDecoderJPG.cpp
@@ -198,12 +198,15 @@
 #ifdef TestCode
         ClockTimer Test("while time");
 #endif
+        av_packet_unref(&p_this->pkt);
+        p_this->pkt.data = NULL;
+        p_this->pkt.size = 0;
+
         int err5 = av_read_frame(p_this->ic, &p_this->pkt);
         //# todo save package
         p_this->frame_number++;
 
         int err6 = avcodec_send_packet(p_this->ctx, &p_this->pkt);
-//        av_packet_unref(&pkt);
         int err7 = avcodec_receive_frame(p_this->ctx, p_this->frame);
         if ((err7 == AVERROR(EAGAIN)) || (err5 < 0) || (err6 < 0)) {
             ERR(" error << err7:" << err7 << "  err5: " << err5 << " err6: " << err6);

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