自己用QT写的程序，在PC上采集视频编码RTP打包发送。如果发送给自己，然后用VLC播放的话是可以正常显示的（尽管延迟会不断增大，这个问题再待解决），但是用自己编的软件确无法正常显示，能看到一瞬间有部分画面正常，然后一会画面就糊掉了。
同样的代码， 我在树莓派上，用OPENMAX硬件加速编码，然后同样的打包方式发送，发送给树莓派自己或者给PC，都能正常地显示。
不知道这个是哪部分出了原因？到底是FFMPEG编码部分出问题，还是接收的代码有问题？？
结果如图。。。
然后程序会不断报类似如下错误
[h264 @ 17653080] Cannot use next picture in error concealment
[h264 @ 17653080] concealing 1040 DC, 1040 AC, 1040 MV errors in P frame
[h264 @ 17653080] Cannot use next picture in error concealment
[h264 @ 17653080] concealing 1000 DC, 1000 AC, 1000 MV errors in P frame
[h264 @ 17653080] Cannot use next picture in error concealment
[h264 @ 17653080] concealing 1040 DC, 1040 AC, 1040 MV errors in P frame
[h264 @ 17653080] Cannot use next picture in error concealment
[h264 @ 17653080] concealing 1040 DC, 1040 AC, 1040 MV errors in P frame
[h264 @ 17653080] Cannot use next picture in error concealment
[h264 @ 17653080] concealing 1040 DC, 1040 AC, 1040 MV errors in P frame
[h264 @ 17653080] Cannot use next picture in error concealment
[h264 @ 17653080] concealing 1040 DC, 1040 AC, 1040 MV errors in P frame
[h264 @ 17653080] Cannot use next picture in error concealment
[h264 @ 17653080] concealing 1000 DC, 1000 AC, 1000 MV errors in P frame
[h264 @ 17653080] Cannot use next picture in error concealment
[h264 @ 17653080] concealing 1040 DC, 1040 AC, 1040 MV errors in P frame
[h264 @ 17653080] Cannot use next picture in error concealment
