av_dup_packet     266 ffplay.c           if (pkt!=&flush_pkt && av_dup_packet(pkt) < 0)
av_dup_packet     204 libavformat/avformat.h int av_dup_packet(AVPacket *pkt);
av_dup_packet    1110 libavformat/utils.c             if(av_dup_packet(add_to_pktbuf(&s->packet_buffer, pkt,
av_dup_packet    2092 libavformat/utils.c         if(av_dup_packet(pkt) < 0) {
av_dup_packet    2635 libavformat/utils.c         av_dup_packet(&this_pktl->pkt);  //shared -> must dup