bug fix audio codec

zhangmeng

2019-09-26 1f005df2f3ff78458f332f9bf1cf2e78b6a8e8e4

 csrc/wrapper.cpp

@@ -186,6 +186,10 @@
                    break;
                }

                if (in->notVideoAudio(&data->getAVPacket())){
                    continue;
                }
                
                if (!gb_ && id < 0){
                    id++;
                    continue;