static void ffm_seek1(AVFormatContext *s, int64_t pos1) { FFMContext *ffm = s->priv_data; AVIOContext *pb = s->pb; int64_t pos; pos = FFMIN(pos1, ffm->file_size - FFM_PACKET_SIZE); pos = FFMAX(pos, FFM_PACKET_SIZE); av_dlog(s, "seek to %"PRIx64" -> %"PRIx64"\n", pos1, pos); avio_seek(pb, pos, SEEK_SET); }