海思发送RTP 封装g711a数据 vlc播放一卡一卡

请教下大伙：
前端用海思板RTP发送g711a音频
用VLC播放时出现：
音频数据一卡一卡
vlc日志如下
core error: ES_OUT_RESET_PCR called
core error: ES_OUT_SET_(GROUP_)PCR is called too late (pts_delay increased to 1010 ms)
core error: ES_OUT_RESET_PCR called
core error: ES_OUT_SET_(GROUP_)PCR is called too late (pts_delay increased to 1011 ms)
core error: ES_OUT_RESET_PCR called
core error: ES_OUT_SET_(GROUP_)PCR is called too late (pts_delay increased to 1011 ms)
core error: ES_OUT_RESET_PCR called
core error: ES_OUT_SET_(GROUP_)PCR is called too late (pts_delay increased to 1021 ms)
core error: ES_OUT_RESET_PCR called
core error: ES_OUT_SET_(GROUP_)PCR is called too late (pts_delay increased to 1022 ms)
core error: ES_OUT_RESET_PCR called
core error: ES_OUT_SET_(GROUP_)PCR is called too late (pts_delay increased to 1022 ms)
core error: ES_OUT_RESET_PCR called
core error: ES_OUT_SET_(GROUP_)PCR is called too late (pts_delay increased to 1031 ms)
core error: ES_OUT_RESET_PCR called
core error: ES_OUT_SET_(GROUP_)PCR is called too late (pts_delay increased to 1032 ms)
core error: ES_OUT_RESET_PCR called
core error: ES_OUT_SET_(GROUP_)PCR is called too late (pts_delay increased to 1041 ms)
core error: ES_OUT_RESET_PCR called
core error: ES_OUT_SET_(GROUP_)PCR is called too late (pts_delay increased to 1042 ms)
core error: ES_OUT_RESET_PCR called
core error: ES_OUT_SET_(GROUP_)PCR is called too late (pts_delay increased to 1051 ms)
core error: ES_OUT_RESET_PCR called

同样的程序在linux服务器上发送同样的文件，
PC端用vlc播放正常