OnPasvDialogEvent中当iEventCode == BVCU_EVENT_DIALOG_OPEN,且BVCU_Event_DialogCmd.iResult ==BVCU_RESULT_S_PENDING时开始调用该接口传入H264编码的拓展数据,以0x00, 0x00, 0x00, 0x01开头,dataType填写VIDEO_DATA_TYPE_H264_EXTRA_DATA,拓展数据样例如 0x00, 0x00, 0x00, 0x01,0x67, 0x64, 0x00, 0x1F, 0xAC, 0xB2, 0x01, 0xE0, 0x6B, 0xF2, 0xFF, 0xE0,
0x22, 0x00, 0x22, 0x22, 0x00, 0x00, 0x03, 0x00, 0x02, 0x00, 0x00, 0x03, 0x00, 0x78, 0x1E, 0x30,
0x64, 0x90, 0x00, 0x00, 0x00, 0x01, 0x68, 0xEB, 0xC3, 0xCB, 0x22, 0xC0 |