CODEC_FLAG_H263P_AIV  555 libavcodec/mpegvideo_enc.c         s->alt_inter_vlc= (avctx->flags & CODEC_FLAG_H263P_AIV) ? 1:0;
CODEC_FLAG_H263P_AIV   82 libavcodec/options.c {"aiv", "h263 alternative inter vlc", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_H263P_AIV, INT_MIN, INT_MAX, V|E, "flags"},