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关于RK3588中 mppvideodec 模块的一点疑问 #955

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@ljh990817

平台:rk3588
软件:GStreamer/1.22.9
相关参数:rtspsrc rtph264depay h264parse mppvideodec videoconvert queue waylandsink
具体现象:利用上述对live555拉流发现,前3s的图像会黑屏,且进度条3s左右才会显示出来,发现从原始视频的第3s才开始,换掉live555推流平台后,发现上述现象小时,比较pcap发现,后者会每个 IDR 前添加SPS、PPS等相关参数,而live555只在sdp阶段发送,mppvideodec 会因为不及时去解析 sdp 中的sps和pps而黑屏一会吗?

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