AV_PICTURE_TYPE_NONE  437 doc/examples/transcoding.c         filt_frame->pict_type = AV_PICTURE_TYPE_NONE;
AV_PICTURE_TYPE_NONE   53 libavcodec/dvd_nav_parser.c     s->pict_type = AV_PICTURE_TYPE_NONE;
AV_PICTURE_TYPE_NONE  216 libavcodec/mpegvideo_parser.c     s->pict_type = AV_PICTURE_TYPE_NONE; // first frame might be partial
AV_PICTURE_TYPE_NONE   45 libavcodec/png_parser.c     s->pict_type = AV_PICTURE_TYPE_NONE;
AV_PICTURE_TYPE_NONE 1250 libavformat/utils.c         if (st->parser->key_frame == -1 && st->parser->pict_type ==AV_PICTURE_TYPE_NONE && (pkt->flags&AV_PKT_FLAG_KEY))