[Libav-user] Reading AVCPBProperties for vbv_delay from application

[Leo Fernando]

I work with gst-libav to build decoder using gstreamer 

I want to know how to read AVCPBProperties from the application. I'm mainly
interested to know vbv_delay of H264 inorder to compensate that latency 

My code is always giving me vbv_delay as 0. Anything wrong? 

{ 
        int size = 0; 
        AVPacketSideData *side_data = av_packet_new_side_data(&packet,
AV_PKT_DATA_CPB_PROPERTIES, sizeof(AVCPBProperties)); 

        cpbp       = av_packet_get_side_data(&packet,
AV_PKT_DATA_CPB_PROPERTIES, &size); 
    
        printf("VBV delay = %lld, size = %d\n", ps_cpbp->vbv_delay,
i4_size); 
}
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